annotate src/c/urweb.c @ 2287:08203f93dbc3

Remove debugging print statement.
author Ziv Scully <ziv@mit.edu>
date Fri, 13 Nov 2015 01:05:22 -0500
parents 0bdfec16a01d
children 98f96a976ede
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
ziv@2234 25 #include "uthash.h"
ziv@2234 26
adam@1431 27 uw_unit uw_unit_v = 0;
adamc@102 28
adamc@667 29
adamc@667 30 // Socket extras
adamc@667 31
adamc@863 32 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 33 while (len > 0) {
adamc@856 34 ssize_t n = send(sock, buf, len, 0);
adamc@856 35
adamc@856 36 if (n < 0)
adamc@856 37 return n;
adamc@856 38
adamc@856 39 buf += n;
adamc@856 40 len -= n;
adamc@856 41 }
adamc@856 42
adamc@856 43 return 0;
adamc@856 44 }
adamc@856 45
adamc@856 46 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 47 while (len > 0) {
adamc@856 48 ssize_t n = write(fd, buf, len);
adamc@667 49
adamc@667 50 if (n < 0)
adamc@667 51 return n;
adamc@667 52
adamc@667 53 buf += n;
adamc@667 54 len -= n;
adamc@667 55 }
adamc@667 56
adamc@667 57 return 0;
adamc@667 58 }
adamc@667 59
adamc@667 60
adamc@667 61 // Buffers
adamc@667 62
adam@1369 63 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 64 b->max = max;
adamc@667 65 b->front = b->start = malloc(s);
adamc@667 66 b->back = b->front + s;
adamc@667 67 }
adamc@667 68
adam@1369 69 void uw_buffer_free(uw_buffer *b) {
adamc@667 70 free(b->start);
adamc@667 71 }
adamc@667 72
adam@1369 73 void uw_buffer_reset(uw_buffer *b) {
adamc@667 74 b->front = b->start;
ziv@2262 75 if (b->front != b->back) {
ziv@2262 76 *b->front = 0;
ziv@2262 77 }
adamc@667 78 }
adamc@667 79
adam@1369 80 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 81 if (b->back - b->front < extra) {
adamc@667 82 size_t desired = b->front - b->start + extra, next;
adamc@667 83 char *new_heap;
adamc@667 84
adamc@667 85 next = b->back - b->start;
adamc@667 86 if (next == 0)
adamc@667 87 next = 1;
adamc@667 88 for (; next < desired; next *= 2);
adamc@667 89
adamc@1134 90 if (next > b->max) {
adamc@1113 91 if (desired <= b->max)
adamc@1113 92 next = desired;
adamc@1113 93 else
adamc@1113 94 return 1;
adamc@1134 95 }
adamc@1113 96
adamc@667 97 new_heap = realloc(b->start, next);
adamc@667 98 b->front = new_heap + (b->front - b->start);
adamc@667 99 b->back = new_heap + next;
adamc@667 100 b->start = new_heap;
adamc@667 101 }
adamc@1113 102
adamc@1113 103 return 0;
adamc@1113 104 }
adamc@1113 105
adamc@1113 106 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 107
adam@1369 108 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 109 if (uw_buffer_check(b, extra))
adamc@1113 110 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 111 }
adamc@667 112
adam@1369 113 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 114 return b->front - b->start;
adamc@667 115 }
adamc@667 116
adam@1369 117 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 118 return b->back - b->start;
adamc@667 119 }
adamc@667 120
adam@1369 121 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 122 if (uw_buffer_check(b, len+1))
adamc@1113 123 return 1;
adamc@1113 124
adamc@1113 125 memcpy(b->front, s, len);
adamc@1113 126 b->front += len;
adamc@1113 127 *b->front = 0;
adamc@1113 128
adamc@1113 129 return 0;
adamc@1113 130 }
adamc@1113 131
adam@1369 132 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 133 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 134
adamc@668 135 memcpy(b->front, s, len);
adamc@668 136 b->front += len;
adamc@672 137 *b->front = 0;
adamc@668 138 }
adamc@667 139
adamc@668 140
adamc@672 141 // Persistent state types
adamc@667 142
adamc@667 143 typedef enum { UNUSED, USED } usage;
adamc@667 144
adamc@667 145 typedef struct client {
adamc@682 146 unsigned id;
adamc@667 147 usage mode;
adamc@682 148 int pass;
adamc@682 149 struct client *next;
adamc@689 150 pthread_mutex_t lock, pull_lock;
adam@1369 151 uw_buffer msgs;
adamc@682 152 int sock;
adamc@863 153 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 154 int (*close)(int fd);
adamc@682 155 time_t last_contact;
adamc@682 156 unsigned n_channels;
adamc@685 157 unsigned refcount;
adamc@1121 158 void *data;
adamc@667 159 } client;
adamc@667 160
adamc@672 161
adamc@672 162 // Persistent client state
adamc@672 163
adamc@682 164 static client **clients, *clients_free, *clients_used;
adamc@682 165 static unsigned n_clients;
adamc@667 166
adam@1707 167 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 168 size_t uw_messages_max = SIZE_MAX;
adamc@1113 169 size_t uw_clients_max = SIZE_MAX;
adamc@1113 170
adamc@1121 171 void *uw_init_client_data();
adamc@1121 172 void uw_free_client_data(void *);
adamc@1121 173 void uw_copy_client_data(void *dst, void *src);
adamc@1121 174
adam@2104 175 static uw_Basis_int my_rand() {
adam@2105 176 int ret, r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@2104 177 if (r)
adam@2105 178 return abs(ret);
adam@2104 179 else
adam@2104 180 return -1;
adam@2104 181 }
adam@2104 182
adamc@682 183 static client *new_client() {
adamc@667 184 client *c;
adamc@667 185
adamc@667 186 pthread_mutex_lock(&clients_mutex);
adamc@667 187
adamc@667 188 if (clients_free) {
adamc@667 189 c = clients_free;
adamc@682 190 clients_free = clients_free->next;
adamc@667 191 }
adam@1672 192 else if (n_clients >= uw_clients_max) {
adam@1672 193 pthread_mutex_unlock(&clients_mutex);
adamc@1113 194 return NULL;
adam@1672 195 } else {
adamc@667 196 ++n_clients;
adamc@667 197 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 198 c = malloc(sizeof(client));
adamc@667 199 c->id = n_clients-1;
adamc@682 200 pthread_mutex_init(&c->lock, NULL);
adamc@689 201 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 202 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 203 clients[n_clients-1] = c;
adamc@667 204 }
adamc@667 205
adamc@682 206 pthread_mutex_lock(&c->lock);
adamc@667 207 c->mode = USED;
adam@2104 208 c->pass = my_rand();
adamc@682 209 c->sock = -1;
adamc@682 210 c->last_contact = time(NULL);
adam@1369 211 uw_buffer_reset(&c->msgs);
adamc@682 212 c->n_channels = 0;
adamc@685 213 c->refcount = 0;
adamc@1121 214 c->data = uw_init_client_data();
adamc@682 215 pthread_mutex_unlock(&c->lock);
adamc@682 216
adamc@682 217 c->next = clients_used;
adamc@682 218 clients_used = c;
adamc@667 219
adamc@667 220 pthread_mutex_unlock(&clients_mutex);
adamc@667 221
adamc@667 222 return c;
adamc@667 223 }
adamc@667 224
adamc@685 225 static void use_client(client *c) {
adamc@685 226 pthread_mutex_lock(&c->lock);
adamc@685 227 ++c->refcount;
adamc@685 228 pthread_mutex_unlock(&c->lock);
adamc@689 229 pthread_mutex_lock(&c->pull_lock);
adamc@685 230 }
adamc@685 231
adamc@685 232 static void release_client(client *c) {
adamc@689 233 pthread_mutex_unlock(&c->pull_lock);
adamc@685 234 pthread_mutex_lock(&c->lock);
adamc@685 235 --c->refcount;
adamc@685 236 pthread_mutex_unlock(&c->lock);
adamc@685 237 }
adamc@685 238
adamc@856 239 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 240 static pthread_t pruning_thread;
adam@1707 241 static int pruning_thread_initialized = 0;
adamc@667 242
adamc@682 243 static client *find_client(unsigned id) {
adamc@667 244 client *c;
adam@1708 245 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 246
adam@1708 247 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 248
adamc@667 249 if (id >= n_clients) {
adam@1708 250 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 251 return NULL;
adamc@667 252 }
adamc@667 253
adamc@667 254 c = clients[id];
adamc@667 255
adam@1708 256 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 257 return c;
adamc@668 258 }
adamc@668 259
adamc@856 260 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 261 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 262
adamc@856 263 void uw_set_on_success(char *s) {
adamc@856 264 on_success = s;
adamc@856 265 }
adamc@856 266
adam@1552 267 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 268 send(sock, on_success, strlen(on_success));
adam@1552 269 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 270 send(sock, "R", 1);
adam@1552 271 close(sock);
adam@1552 272 }
adam@1552 273
adamc@863 274 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 275 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 276 int (*close)(int fd),
adamc@864 277 void *logger_data, uw_logger log_error) {
adamc@682 278 client *c = find_client(id);
adamc@668 279
adamc@668 280 if (c == NULL) {
adam@1552 281 chastise(send, sock);
adamc@864 282 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 283 return;
adamc@667 284 }
adamc@667 285
adamc@682 286 pthread_mutex_lock(&c->lock);
adamc@671 287
adamc@682 288 if (c->mode != USED) {
adamc@682 289 pthread_mutex_unlock(&c->lock);
adam@1552 290 chastise(send, sock);
adamc@864 291 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 292 return;
adamc@667 293 }
adamc@667 294
adamc@682 295 if (pass != c->pass) {
adamc@682 296 pthread_mutex_unlock(&c->lock);
adam@1552 297 chastise(send, sock);
adamc@864 298 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 299 return;
adamc@667 300 }
adamc@667 301
adamc@682 302 if (c->sock != -1) {
adamc@863 303 c->close(c->sock);
adamc@682 304 c->sock = -1;
adamc@682 305 }
adamc@667 306
adamc@682 307 c->last_contact = time(NULL);
adamc@682 308
adam@1369 309 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 310 send(sock, on_success, strlen(on_success));
adamc@863 311 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 312 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 313 uw_buffer_reset(&c->msgs);
adamc@667 314 close(sock);
adamc@667 315 }
adamc@863 316 else {
adamc@682 317 c->sock = sock;
adamc@863 318 c->send = send;
adamc@863 319 c->close = close;
adamc@863 320 }
adamc@667 321
adamc@682 322 pthread_mutex_unlock(&c->lock);
adamc@667 323 }
adamc@667 324
adamc@682 325 static void free_client(client *c) {
adamc@682 326 c->mode = UNUSED;
adamc@682 327 c->pass = -1;
adamc@667 328
adamc@682 329 c->next = clients_free;
adamc@682 330 clients_free = c;
adamc@667 331 }
adamc@667 332
adamc@682 333 static uw_Basis_channel new_channel(client *c) {
adamc@682 334 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 335 return ch;
adamc@668 336 }
adamc@668 337
adam@1447 338 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 339 pthread_mutex_lock(&c->lock);
adamc@671 340
adamc@682 341 if (c->sock != -1) {
adamc@863 342 c->send(c->sock, on_success, strlen(on_success));
adamc@863 343 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 344 if (script_len > 0) {
adam@1447 345 c->send(c->sock, "E\n", 2);
adam@1447 346 c->send(c->sock, script, script_len);
adam@1447 347 c->send(c->sock, "\n", 1);
adam@1447 348 }
adam@1369 349 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 350 c->close(c->sock);
adamc@682 351 c->sock = -1;
adam@1665 352 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 353 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 354
adamc@685 355 pthread_mutex_unlock(&c->lock);
adamc@668 356 }
adamc@668 357
adamc@668 358
adamc@668 359 // Global entry points
adamc@668 360
adamc@1164 361 extern void uw_global_custom();
adamc@1104 362 extern void uw_init_crypto();
adamc@1104 363
adamc@668 364 void uw_global_init() {
adamc@668 365 clients = malloc(0);
adamc@1104 366
adamc@1164 367 uw_global_custom();
adamc@1104 368 uw_init_crypto();
adamc@1094 369 }
adamc@1094 370
adamc@1094 371 void uw_app_init(uw_app *app) {
adamc@1094 372 app->client_init();
adamc@668 373 }
adamc@668 374
adam@1332 375 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 376
adamc@668 377
adamc@667 378 // Single-request state
adamc@667 379
adamc@323 380 typedef struct regions {
adamc@323 381 struct regions *next;
adamc@323 382 } regions;
adamc@323 383
adamc@425 384 typedef struct {
adamc@425 385 void (*func)(void*);
adamc@425 386 void *arg;
adamc@425 387 } cleanup;
adamc@425 388
adamc@671 389 typedef struct {
adamc@682 390 unsigned client;
adam@1369 391 uw_buffer msgs;
adamc@682 392 } delta;
adamc@671 393
adamc@737 394 typedef enum {
adamc@759 395 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 396 } input_kind;
adamc@737 397
adamc@756 398 typedef struct input {
adamc@737 399 input_kind kind;
adamc@737 400 union {
adamc@737 401 char *normal;
adamc@739 402 uw_Basis_file file;
adamc@756 403 struct {
adamc@759 404 struct input *fields, *parent;
adamc@756 405 } subform;
adamc@759 406 struct {
adamc@759 407 struct input *entries, *parent;
adamc@759 408 } subforms;
adamc@759 409 struct {
adamc@759 410 struct input *fields, *next, *parent;
adamc@759 411 } entry;
adamc@737 412 } data;
adamc@737 413 } input;
adamc@737 414
adamc@771 415 typedef struct {
adamc@771 416 void *data;
adam@1327 417 uw_callback commit, rollback;
adam@1327 418 uw_callback_with_retry free;
adamc@771 419 } transactional;
adamc@771 420
adamc@1061 421 typedef struct {
adamc@1061 422 char *name;
adamc@1061 423 void *data;
adamc@1061 424 void (*free)(void*);
adamc@1061 425 } global;
adamc@1061 426
ziv@2285 427 typedef struct uw_Sqlcache_Update {
ziv@2282 428 uw_Sqlcache_Cache *cache;
ziv@2282 429 char **keys;
ziv@2285 430 uw_Sqlcache_Value *value;
ziv@2285 431 struct uw_Sqlcache_Update *next;
ziv@2285 432 } uw_Sqlcache_Update;
ziv@2282 433
adamc@311 434 struct uw_context {
adamc@1094 435 uw_app *app;
adam@1446 436 int id;
adamc@1094 437
adamc@854 438 char *(*get_header)(void *, const char *);
adamc@854 439 void *get_header_data;
adamc@457 440
adam@1799 441 char *(*get_env)(void *, const char *);
adam@1799 442 void *get_env_data;
adam@1799 443
adam@1369 444 uw_buffer outHeaders, page, heap, script;
adam@1451 445 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 446 input *inputs, *subinputs, *cur_container;
adamc@1094 447 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 448
adam@1446 449 unsigned long long source_count;
adamc@562 450
adamc@272 451 void *db;
adam@1931 452 int transaction_started;
adamc@272 453
adamc@167 454 jmp_buf jmp_buf;
adamc@167 455
adamc@323 456 regions *regions;
adamc@323 457
adamc@425 458 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 459
adamc@1094 460 const char *script_header;
adamc@643 461
adam@2056 462 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693 463
adamc@682 464 size_t n_deltas, used_deltas;
adamc@682 465 delta *deltas;
adamc@671 466
adamc@682 467 client *client;
adamc@682 468
adamc@771 469 transactional *transactionals;
adamc@771 470 size_t n_transactionals, used_transactionals;
adamc@771 471
adamc@1061 472 global *globals;
adamc@1061 473 size_t n_globals;
adamc@1061 474
adamc@1066 475 char *current_url;
adamc@1066 476
adamc@1114 477 int deadline;
adamc@1114 478
adamc@1121 479 void *client_data;
adamc@1121 480
grrwlf@1997 481 uw_loggers *loggers;
adam@1334 482
adam@1386 483 int isPost, hasPostBody;
adam@1347 484 uw_Basis_postBody postBody;
adam@1370 485 uw_Basis_string queryString;
adam@1347 486
adam@1556 487 unsigned nextId;
adam@1556 488
adam@1782 489 int amInitializing;
adam@1782 490
adamc@167 491 char error_message[ERROR_BUF_LEN];
adam@1877 492
adam@1877 493 int usedSig, needsResig;
adam@1949 494
adam@1949 495 char *output_buffer;
adam@1949 496 size_t output_buffer_size;
adam@2073 497
ziv@2281 498 // Sqlcache.
ziv@2262 499 int numRecording;
ziv@2262 500 int recordingOffset;
ziv@2285 501 uw_Sqlcache_Update *cacheUpdate;
ziv@2285 502 uw_Sqlcache_Update *cacheUpdateTail;
ziv@2220 503
adam@2073 504 int remoteSock;
adamc@117 505 };
adamc@117 506
adamc@1113 507 size_t uw_headers_max = SIZE_MAX;
adamc@1113 508 size_t uw_page_max = SIZE_MAX;
adamc@1113 509 size_t uw_heap_max = SIZE_MAX;
adamc@1113 510 size_t uw_script_max = SIZE_MAX;
adamc@1113 511
grrwlf@1997 512 uw_context uw_init(int id, uw_loggers *lg) {
ziv@2285 513 puts("Initializing");
adamc@311 514 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 515
adamc@1094 516 ctx->app = NULL;
adam@1446 517 ctx->id = id;
adamc@1094 518
adamc@854 519 ctx->get_header = NULL;
adamc@854 520 ctx->get_header_data = NULL;
adamc@457 521
adam@1799 522 ctx->get_env = NULL;
adam@1799 523 ctx->get_env_data = NULL;
adam@1799 524
adam@1413 525 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 526 ctx->outHeaders.start[0] = 0;
adam@1413 527 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 528 ctx->page.start[0] = 0;
adam@1451 529 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 530 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 531 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 532 ctx->script.start[0] = 0;
adamc@136 533
adamc@1094 534 ctx->inputs = malloc(0);
adamc@759 535 ctx->cur_container = NULL;
adamc@756 536 ctx->subinputs = malloc(0);
adamc@1094 537 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 538
adamc@272 539 ctx->db = NULL;
adam@1931 540 ctx->transaction_started = 0;
adamc@272 541
adamc@323 542 ctx->regions = NULL;
adamc@323 543
adamc@425 544 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 545
adamc@643 546 ctx->script_header = "";
adamc@693 547 ctx->needs_push = 0;
adamc@736 548 ctx->needs_sig = 0;
adam@1936 549 ctx->could_write_db = 1;
adam@2056 550 ctx->at_most_one_query = 0;
adamc@1104 551
adamc@565 552 ctx->source_count = 0;
adamc@562 553
adamc@682 554 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 555 ctx->deltas = malloc(0);
adamc@671 556
adamc@700 557 ctx->client = NULL;
adamc@700 558
adamc@700 559 ctx->error_message[0] = 0;
adamc@700 560
adamc@771 561 ctx->transactionals = malloc(0);
adamc@771 562 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 563
adamc@1061 564 ctx->globals = malloc(0);
adamc@1061 565 ctx->n_globals = 0;
adamc@1061 566
adamc@1066 567 ctx->current_url = "";
adamc@1066 568
adamc@1114 569 ctx->deadline = INT_MAX;
adamc@1114 570
adamc@1121 571 ctx->client_data = uw_init_client_data();
adamc@1121 572
grrwlf@1997 573 ctx->loggers = lg;
adam@1334 574
adam@1386 575 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 576
adam@1370 577 ctx->queryString = NULL;
adam@1370 578
adam@1556 579 ctx->nextId = 0;
adam@1556 580
adam@1782 581 ctx->amInitializing = 0;
adam@1782 582
adam@1877 583 ctx->usedSig = 0;
adam@1877 584 ctx->needsResig = 0;
adam@1877 585
adam@1949 586 ctx->output_buffer = malloc(1);
adam@1949 587 ctx->output_buffer_size = 1;
adam@1949 588
ziv@2262 589 ctx->numRecording = 0;
ziv@2262 590 ctx->recordingOffset = 0;
ziv@2285 591 ctx->cacheUpdate = NULL;
ziv@2285 592 ctx->cacheUpdateTail = NULL;
ziv@2204 593
adam@2073 594 ctx->remoteSock = -1;
adam@2073 595
adamc@117 596 return ctx;
adamc@106 597 }
adamc@106 598
adamc@1113 599 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 600
adamc@1121 601 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 602 return ctx->app;
adamc@1121 603 }
adamc@1121 604
adamc@1113 605 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 606 ctx->app = app;
adamc@1094 607
adamc@1105 608 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 609 if (app->inputs_len > uw_inputs_max)
adamc@1113 610 return 1;
adamc@1113 611
adamc@1094 612 ctx->sz_inputs = app->inputs_len;
adamc@1094 613 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 614 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 615 }
adamc@1134 616
adamc@1134 617 return 0;
adamc@1094 618 }
adamc@1094 619
adamc@1121 620 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 621 uw_copy_client_data(ctx->client_data, data);
adamc@1121 622 }
adamc@1121 623
adamc@311 624 void uw_set_db(uw_context ctx, void *db) {
adamc@272 625 ctx->db = db;
adamc@272 626 }
adamc@272 627
adamc@311 628 void *uw_get_db(uw_context ctx) {
adamc@272 629 return ctx->db;
adamc@272 630 }
adamc@272 631
grrwlf@1997 632
grrwlf@1997 633 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 634 return ctx->loggers;
grrwlf@1997 635 }
grrwlf@1997 636
adamc@311 637 void uw_free(uw_context ctx) {
adamc@671 638 size_t i;
adamc@671 639
adam@1369 640 uw_buffer_free(&ctx->outHeaders);
adam@1369 641 uw_buffer_free(&ctx->script);
adam@1369 642 uw_buffer_free(&ctx->page);
adam@1369 643 uw_buffer_free(&ctx->heap);
adamc@144 644 free(ctx->inputs);
adamc@756 645 free(ctx->subinputs);
adamc@425 646 free(ctx->cleanup);
adamc@771 647 free(ctx->transactionals);
adamc@1121 648 uw_free_client_data(ctx->client_data);
adamc@671 649
adamc@682 650 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 651 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 652 free(ctx->deltas);
adamc@671 653
adamc@1061 654 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 655 if (ctx->globals[i].free)
adamc@1089 656 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 657 free(ctx->globals);
adamc@1061 658
adam@1949 659 free(ctx->output_buffer);
adam@1949 660
adamc@136 661 free(ctx);
adamc@136 662 }
adamc@136 663
adamc@562 664 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 665 uw_buffer_reset(&ctx->outHeaders);
adam@1369 666 uw_buffer_reset(&ctx->script);
adamc@667 667 ctx->script.start[0] = 0;
adam@1369 668 uw_buffer_reset(&ctx->page);
adam@1451 669 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 670 uw_buffer_reset(&ctx->heap);
adamc@323 671 ctx->regions = NULL;
adamc@425 672 ctx->cleanup_front = ctx->cleanup;
adamc@682 673 ctx->used_deltas = 0;
adamc@682 674 ctx->client = NULL;
adamc@759 675 ctx->cur_container = NULL;
adamc@771 676 ctx->used_transactionals = 0;
adamc@1117 677 ctx->script_header = "";
adam@1370 678 ctx->queryString = NULL;
adam@1556 679 ctx->nextId = 0;
adam@1782 680 ctx->amInitializing = 0;
adam@1877 681 ctx->usedSig = 0;
adam@1877 682 ctx->needsResig = 0;
adam@2073 683 ctx->remoteSock = -1;
adamc@167 684 }
adamc@167 685
adamc@562 686 void uw_reset_keep_request(uw_context ctx) {
adamc@562 687 uw_reset_keep_error_message(ctx);
adamc@562 688 ctx->error_message[0] = 0;
adamc@167 689 }
adamc@167 690
adamc@311 691 void uw_reset(uw_context ctx) {
adamc@311 692 uw_reset_keep_request(ctx);
adamc@1105 693 if (ctx->app)
adamc@1105 694 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 695 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 696 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 697 ctx->transaction_started = 0;
adamc@144 698 }
adamc@144 699
adamc@311 700 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 701 int r = setjmp(ctx->jmp_buf);
adamc@272 702
adamc@1105 703 if (r == 0 && ctx->app)
adamc@1094 704 ctx->app->db_init(ctx);
adamc@272 705
adamc@272 706 return r;
adamc@272 707 }
adamc@272 708
adamc@1118 709 void uw_close(uw_context ctx) {
adamc@1118 710 ctx->app->db_close(ctx);
adamc@1118 711 }
adamc@1118 712
adam@1446 713 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 714 return ctx->get_header(ctx->get_header_data, h);
adam@1446 715 }
adam@1446 716
adamc@854 717 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 718 ctx->get_header = get_header;
adamc@854 719 ctx->get_header_data = get_header_data;
adamc@742 720 }
adamc@742 721
adam@1799 722 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 723 ctx->get_env = get_env;
adam@1799 724 ctx->get_env_data = get_env_data;
adam@1799 725 }
adam@1799 726
adamc@801 727 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 728 va_list ap;
adamc@801 729 va_start(ap, fmt);
adamc@801 730
adamc@801 731 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 732 }
adamc@801 733
adamc@1131 734 int uw_has_error(uw_context ctx) {
adamc@1131 735 return ctx->error_message[0] != 0;
adamc@1131 736 }
adamc@1131 737
adamc@311 738 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 739 cleanup *cl;
adamc@425 740
adamc@167 741 va_list ap;
adamc@167 742 va_start(ap, fmt);
adamc@167 743
adamc@167 744 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 745
adamc@425 746 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 747 cl->func(cl->arg);
adamc@425 748
adamc@425 749 ctx->cleanup_front = ctx->cleanup;
adamc@425 750
adamc@190 751 longjmp(ctx->jmp_buf, fk);
adamc@167 752 }
adamc@167 753
adamc@1113 754 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 755
adamc@425 756 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 757 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 758 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 759 if (len == 0)
adamc@425 760 newLen = 1;
adamc@425 761 else
adamc@428 762 newLen = len * 2;
adamc@1113 763
adamc@1134 764 if (newLen > uw_cleanup_max) {
adamc@1113 765 if (len+1 <= uw_cleanup_max)
adamc@1113 766 newLen = uw_cleanup_max;
adamc@1113 767 else
adamc@1113 768 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 769 }
adamc@1113 770
adamc@470 771 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 772 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 773 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 774 }
adamc@425 775
adamc@425 776 ctx->cleanup_front->func = func;
adamc@425 777 ctx->cleanup_front->arg = arg;
adamc@425 778 ++ctx->cleanup_front;
adamc@425 779 }
adamc@425 780
adam@1444 781 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 782
adamc@682 783 void uw_login(uw_context ctx) {
adam@1942 784 char *id_s, *pass_s;
adam@1942 785
adam@1942 786 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 787 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 788 unsigned id = atoi(id_s);
adam@1942 789 int pass = atoi(pass_s);
adam@1942 790 client *c = find_client(id);
adam@1942 791
adam@1942 792 if (c == NULL)
adam@1942 793 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adam@1942 794 else {
adamc@685 795 use_client(c);
adamc@682 796 ctx->client = c;
adam@1942 797
adam@1942 798 if (c->mode != USED)
adam@1942 799 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 800 if (c->pass != pass)
adam@1942 801 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 802 }
adam@1942 803 } else if (ctx->needs_push) {
adam@1942 804 client *c = new_client();
adam@1942 805
adam@1942 806 if (c == NULL)
adam@1942 807 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 808
adam@1942 809 use_client(c);
adam@1942 810 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 811 ctx->client = c;
adamc@682 812 }
adamc@682 813 }
adamc@682 814
adamc@671 815 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 816 int r = setjmp(ctx->jmp_buf);
adamc@671 817
adam@1931 818 if (r == 0)
adam@1931 819 ctx->app->handle(ctx, path);
adam@1931 820
adam@1931 821 return r;
adam@1931 822 }
adam@1931 823
adam@2176 824 static void uw_try_reconnecting(uw_context ctx) {
adam@2176 825 // Hm, error starting transaction.
adam@2176 826 // Maybe the database server died but has since come back up.
adam@2176 827 // Let's try starting from scratch.
adam@2176 828 if (ctx->db) {
adam@2176 829 ctx->app->db_close(ctx);
adam@2176 830 ctx->db = NULL;
adam@2176 831 }
adam@2176 832 ctx->app->db_init(ctx);
adam@2176 833 }
adam@2176 834
adam@2177 835 void uw_try_reconnecting_and_restarting(uw_context ctx) {
adam@2177 836 uw_try_reconnecting(ctx);
adam@2178 837 uw_error(ctx, BOUNDED_RETRY, "Restarting transaction after fixing database connection");
adam@2176 838 }
adam@2176 839
adam@1931 840 void uw_ensure_transaction(uw_context ctx) {
adam@2056 841 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@2176 842 if (!ctx->db || ctx->app->db_begin(ctx, ctx->could_write_db)) {
adam@2176 843 uw_try_reconnecting(ctx);
adam@2176 844
adam@2176 845 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adam@2176 846 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adam@2176 847 }
adam@2176 848
adam@1931 849 ctx->transaction_started = 1;
adam@2178 850 } else if (ctx->at_most_one_query && !ctx->db)
adam@2178 851 uw_try_reconnecting(ctx);
adamc@671 852 }
adamc@671 853
adamc@772 854 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 855 if (ctx->client == NULL)
adamc@682 856 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 857
adamc@682 858 return ctx->client->id;
adamc@682 859 }
adamc@682 860
adamc@425 861 void uw_pop_cleanup(uw_context ctx) {
adamc@425 862 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 863 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 864
adamc@425 865 --ctx->cleanup_front;
adamc@425 866 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 867 }
adamc@425 868
adamc@311 869 char *uw_error_message(uw_context ctx) {
adamc@167 870 return ctx->error_message;
adamc@167 871 }
adamc@167 872
adamc@1115 873 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 874 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 875 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 876 }
adamc@1115 877
adamc@759 878 static input *INP(uw_context ctx) {
adamc@759 879 if (ctx->cur_container == NULL)
adamc@759 880 return ctx->inputs;
adamc@759 881 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 882 return ctx->cur_container->data.subform.fields;
adamc@759 883 else if (ctx->cur_container->kind == ENTRY)
adamc@759 884 return ctx->cur_container->data.entry.fields;
adamc@759 885 else
adamc@760 886 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 887 }
adamc@759 888
adamc@760 889 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 890 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 891 *ptr += new_start - old_start;
adamc@760 892 }
adamc@760 893
adamc@760 894 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 895 switch (x->kind) {
adamc@759 896 case SUBFORM:
adamc@760 897 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 898 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 899 break;
adamc@759 900 case SUBFORMS:
adamc@760 901 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 902 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 903 break;
adamc@759 904 case ENTRY:
adamc@760 905 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 906 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 907 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 908 break;
adamc@1134 909 default:
adamc@1134 910 break;
phurst@1981 911 }
adamc@759 912 }
adamc@759 913
adamc@1113 914 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 915
adamc@759 916 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 917 size_t i;
adamc@759 918 input *r;
adamc@759 919
adamc@759 920 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 921 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 922 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 923
adamc@759 924 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 925
adamc@760 926 if (ctx->subinputs != new_subinputs) {
adamc@760 927 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 928 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 929 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 930 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 931
adamc@760 932 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 933
adamc@760 934 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 935 ctx->subinputs = new_subinputs;
adamc@760 936 }
adamc@759 937 }
adamc@759 938
adamc@759 939 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 940
adamc@759 941 for (i = 0; i < len; ++i)
adam@1474 942 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 943
adamc@759 944 return r;
adamc@759 945 }
adamc@756 946
adamc@801 947 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 948 //printf("Input name %s\n", name);
adamc@1038 949
adamc@756 950 if (!strcasecmp(name, ".b")) {
adamc@1094 951 int n = ctx->app->input_num(value);
adamc@756 952 input *inps;
adamc@756 953
adamc@801 954 if (n < 0) {
adam@1444 955 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 956 return -1;
adamc@801 957 }
adamc@801 958
adamc@1094 959 if (n >= ctx->app->inputs_len) {
adam@1444 960 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 961 return -1;
adamc@801 962 }
adamc@756 963
adamc@1094 964 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 965
adamc@759 966 INP(ctx)[n].kind = SUBFORM;
adamc@759 967 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 968 INP(ctx)[n].data.subform.fields = inps;
adamc@759 969 ctx->cur_container = &INP(ctx)[n];
adamc@756 970 } else if (!strcasecmp(name, ".e")) {
adamc@756 971 input *tmp;
adamc@756 972
adamc@801 973 if (ctx->cur_container == NULL) {
adamc@801 974 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 975 return -1;
adamc@801 976 }
adamc@756 977
adamc@759 978 tmp = ctx->cur_container;
adamc@759 979 switch (tmp->kind) {
adamc@759 980 case SUBFORM:
adamc@759 981 ctx->cur_container = tmp->data.subform.parent;
adamc@759 982 tmp->data.subform.parent = NULL;
adamc@759 983 break;
adamc@759 984 case SUBFORMS:
adamc@759 985 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 986 tmp->data.subforms.parent = NULL;
adamc@759 987 break;
adamc@759 988 case ENTRY:
adamc@759 989 ctx->cur_container = tmp->data.entry.parent;
adamc@759 990 break;
adamc@759 991 default:
adamc@801 992 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 993 return -1;
adamc@759 994 }
adamc@759 995 } else if (!strcasecmp(name, ".s")) {
adamc@1094 996 int n = ctx->app->input_num(value);
adamc@759 997
adamc@801 998 if (n < 0) {
adam@1444 999 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 1000 return -1;
adamc@801 1001 }
adamc@801 1002
adamc@1094 1003 if (n >= ctx->app->inputs_len) {
adam@1444 1004 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 1005 return -1;
adamc@801 1006 }
adamc@759 1007
adamc@759 1008 INP(ctx)[n].kind = SUBFORMS;
adamc@759 1009 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1010 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 1011 ctx->cur_container = &INP(ctx)[n];
adamc@759 1012 } else if (!strcasecmp(name, ".i")) {
adamc@759 1013 input *inps;
adamc@759 1014
adamc@801 1015 if (!ctx->cur_container) {
adamc@801 1016 uw_set_error(ctx, "New entry without container");
adamc@801 1017 return -1;
adamc@801 1018 }
adamc@801 1019
adamc@801 1020 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 1021 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 1022 return -1;
adamc@801 1023 }
adamc@759 1024
adamc@1094 1025 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 1026
adamc@759 1027 inps->kind = ENTRY;
adamc@759 1028 inps->data.entry.parent = ctx->cur_container;
adamc@759 1029 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 1030 ctx->cur_container->data.subforms.entries = inps;
adamc@759 1031
adamc@759 1032 inps->data.entry.fields = inps+1;
adamc@759 1033 ctx->cur_container = inps;
adamc@756 1034 } else {
adamc@1094 1035 int n = ctx->app->input_num(name);
adamc@756 1036
adam@1384 1037 if (n < 0)
adam@1384 1038 return 0;
adamc@801 1039
adamc@1094 1040 if (n >= ctx->app->inputs_len) {
adam@1444 1041 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1042 return -1;
adamc@801 1043 }
adamc@756 1044
adamc@756 1045 INP(ctx)[n].kind = NORMAL;
adamc@756 1046 INP(ctx)[n].data.normal = value;
adamc@756 1047 }
adamc@801 1048
adamc@801 1049 return 0;
adamc@144 1050 }
adamc@144 1051
adamc@311 1052 char *uw_get_input(uw_context ctx, int n) {
adamc@169 1053 if (n < 0)
adamc@311 1054 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1055 if (n >= ctx->app->inputs_len)
adamc@311 1056 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1057
adamc@756 1058 switch (INP(ctx)[n].kind) {
adamc@737 1059 case UNSET:
adamc@737 1060 return NULL;
adamc@739 1061 case FIL:
adamc@739 1062 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1063 case SUBFORM:
adamc@756 1064 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1065 case SUBFORMS:
adamc@759 1066 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1067 case ENTRY:
adamc@759 1068 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1069 case NORMAL:
adamc@756 1070 return INP(ctx)[n].data.normal;
adamc@737 1071 default:
adamc@737 1072 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1073 }
adamc@138 1074 }
adamc@138 1075
adamc@311 1076 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1077 if (n < 0)
adamc@311 1078 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1079 if (n >= ctx->app->inputs_len)
adamc@311 1080 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1081
adamc@756 1082 switch (INP(ctx)[n].kind) {
adamc@737 1083 case UNSET:
adamc@737 1084 return "";
adamc@739 1085 case FIL:
adamc@739 1086 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1087 case SUBFORM:
adamc@756 1088 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1089 case SUBFORMS:
adamc@759 1090 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1091 case ENTRY:
adamc@759 1092 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1093 case NORMAL:
adamc@756 1094 return INP(ctx)[n].data.normal;
adamc@737 1095 default:
adamc@737 1096 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1097 }
adamc@737 1098 }
adamc@737 1099
adamc@801 1100 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1101 int n = ctx->app->input_num(name);
adamc@737 1102
adamc@801 1103 if (n < 0) {
adam@2054 1104 uw_set_error(ctx, "Bad file input name");
adamc@801 1105 return -1;
adamc@801 1106 }
adamc@801 1107
adamc@1094 1108 if (n >= ctx->app->inputs_len) {
adam@2054 1109 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801 1110 return -1;
adamc@801 1111 }
adamc@737 1112
adamc@739 1113 ctx->inputs[n].kind = FIL;
adamc@739 1114 ctx->inputs[n].data.file = f;
adamc@801 1115
adamc@801 1116 return 0;
adamc@737 1117 }
adamc@737 1118
adamc@739 1119 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1120
adamc@739 1121 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1122 if (n < 0)
adamc@737 1123 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1124 if (n >= ctx->app->inputs_len)
adamc@737 1125 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1126
adamc@756 1127 switch (INP(ctx)[n].kind) {
adamc@737 1128 case UNSET:
adamc@737 1129 {
adamc@739 1130 char *data = uw_malloc(ctx, 0);
adamc@740 1131 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1132 return f;
adamc@737 1133 }
adamc@739 1134 case FIL:
adamc@756 1135 return INP(ctx)[n].data.file;
adamc@737 1136 case NORMAL:
adamc@737 1137 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1138 case SUBFORM:
adamc@756 1139 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1140 case SUBFORMS:
adamc@759 1141 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1142 case ENTRY:
adamc@759 1143 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1144 default:
adamc@737 1145 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1146 }
adamc@190 1147 }
adamc@190 1148
adamc@756 1149 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1150 if (n < 0)
adamc@756 1151 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1152 if (n >= ctx->app->inputs_len)
adamc@756 1153 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1154
adamc@756 1155 switch (INP(ctx)[n].kind) {
adamc@756 1156 case UNSET:
adamc@756 1157 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1158 case FIL:
adamc@756 1159 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1160 case NORMAL:
adamc@756 1161 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1162 case SUBFORMS:
adamc@759 1163 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1164 case ENTRY:
adamc@759 1165 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1166 case SUBFORM:
adamc@759 1167 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1168 ctx->cur_container = &INP(ctx)[n];
adamc@756 1169 return;
adamc@756 1170 default:
adamc@756 1171 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1172 }
adamc@756 1173 }
adamc@756 1174
adamc@756 1175 void uw_leave_subform(uw_context ctx) {
adamc@756 1176 input *tmp;
adamc@756 1177
adamc@759 1178 if (ctx->cur_container == NULL)
adamc@756 1179 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1180
adamc@759 1181 tmp = ctx->cur_container;
adamc@759 1182 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1183 tmp->data.subform.parent = NULL;
adamc@759 1184 }
adamc@759 1185
adamc@759 1186 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1187 input *inps;
adamc@759 1188
adamc@759 1189 if (n < 0)
adamc@759 1190 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1191 if (n >= ctx->app->inputs_len)
adamc@759 1192 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1193
adamc@759 1194 switch (INP(ctx)[n].kind) {
adamc@759 1195 case UNSET:
adamc@759 1196 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1197 case FIL:
adamc@759 1198 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1199 case NORMAL:
adamc@759 1200 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1201 case SUBFORM:
adamc@759 1202 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1203 case ENTRY:
adamc@759 1204 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1205 case SUBFORMS:
adamc@759 1206 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1207 if (inps) {
adamc@759 1208 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1209 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1210 return 1;
adamc@759 1211 } else
adamc@759 1212 return 0;
adamc@759 1213 default:
adamc@759 1214 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1215 }
adamc@759 1216 }
adamc@759 1217
adamc@759 1218 int uw_next_entry(uw_context ctx) {
adamc@759 1219 if (ctx->cur_container == NULL)
adamc@759 1220 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1221
adamc@759 1222 switch (ctx->cur_container->kind) {
adamc@759 1223 case UNSET:
adamc@759 1224 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1225 case FIL:
adamc@759 1226 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1227 case NORMAL:
adamc@759 1228 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1229 case SUBFORM:
adamc@759 1230 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1231 case SUBFORMS:
adamc@759 1232 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1233 case ENTRY:
adamc@759 1234 if (ctx->cur_container->data.entry.next) {
adamc@759 1235 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1236 return 1;
adamc@759 1237 } else {
adamc@759 1238 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1239 return 0;
adamc@759 1240 }
adamc@759 1241 default:
adamc@759 1242 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1243 }
adamc@756 1244 }
adamc@756 1245
adamc@643 1246 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1247 ctx->script_header = s;
adamc@643 1248 }
adamc@643 1249
adamc@1094 1250 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1251 return ctx->app->url_prefix;
adamc@667 1252 }
adamc@667 1253
adamc@693 1254 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1255 ctx->needs_push = n;
adamc@693 1256 }
adamc@693 1257
adamc@736 1258 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1259 ctx->needs_sig = n;
adamc@736 1260 }
adamc@736 1261
adam@1936 1262 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1263 ctx->could_write_db = n;
adam@1936 1264 }
adam@1936 1265
adam@2056 1266 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056 1267 ctx->at_most_one_query = n;
adam@2056 1268 }
adam@2056 1269
adamc@667 1270
adam@1369 1271 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1272 if (b->back - b->front < extra) {
adamc@666 1273 size_t desired = b->front - b->start + extra, next;
adamc@136 1274 char *new_heap;
adamc@136 1275
adamc@666 1276 next = b->back - b->start;
adamc@317 1277 if (next == 0)
adamc@317 1278 next = 1;
adamc@317 1279 for (; next < desired; next *= 2);
adamc@136 1280
adamc@1134 1281 if (next > b->max) {
adamc@1113 1282 if (desired <= b->max)
adamc@1113 1283 next = desired;
adamc@1113 1284 else
adamc@1113 1285 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1286 }
adamc@1113 1287
adamc@666 1288 new_heap = realloc(b->start, next);
adamc@666 1289 b->front = new_heap + (b->front - b->start);
adamc@666 1290 b->back = new_heap + next;
adamc@136 1291
adamc@667 1292 if (new_heap != b->start) {
adamc@666 1293 b->start = new_heap;
adam@1389 1294 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1295 }
adamc@136 1296
adamc@666 1297 b->start = new_heap;
adamc@136 1298 }
adamc@136 1299 }
adamc@136 1300
adamc@832 1301 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1302 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1303 }
adamc@666 1304
adamc@832 1305 char *uw_heap_front(uw_context ctx) {
adamc@832 1306 return ctx->heap.front;
adamc@832 1307 }
adamc@832 1308
adamc@832 1309 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1310 ctx->heap.front = fr;
adamc@832 1311 }
adamc@832 1312
adam@1782 1313 void uw_begin_initializing(uw_context ctx) {
adam@1782 1314 ctx->amInitializing = 1;
adam@1782 1315 }
adam@1782 1316
adam@1782 1317 void uw_end_initializing(uw_context ctx) {
adam@1782 1318 ctx->amInitializing = 0;
adam@1782 1319 }
adam@1782 1320
adam@2013 1321 static void align_heap(uw_context ctx) {
adam@2013 1322 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1323
adam@2017 1324 if (posn % sizeof(void *) != 0) {
adam@2017 1325 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1326 uw_check_heap(ctx, bump);
adam@2013 1327 ctx->heap.front += bump;
adam@2013 1328 }
adam@2013 1329 }
adam@2013 1330
adamc@311 1331 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1332 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1333 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1334 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1335 // return.
adam@2013 1336
adamc@136 1337 void *result;
adamc@136 1338
adam@1782 1339 if (ctx->amInitializing) {
adam@2017 1340 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1341
adam@2013 1342 if (!error)
adam@1782 1343 return result;
adam@1782 1344 else
adam@2013 1345 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1346 } else {
adam@2013 1347 align_heap(ctx);
adam@2013 1348
adam@1782 1349 uw_check_heap(ctx, len);
adam@1782 1350
adam@1782 1351 result = ctx->heap.front;
adam@1782 1352 ctx->heap.front += len;
adam@1782 1353 return result;
adam@1782 1354 }
adamc@117 1355 }
adamc@117 1356
adamc@323 1357 void uw_begin_region(uw_context ctx) {
adam@2013 1358 align_heap(ctx);
adam@2013 1359
adamc@666 1360 regions *r = (regions *) ctx->heap.front;
adamc@323 1361
adamc@323 1362 uw_check_heap(ctx, sizeof(regions));
adamc@323 1363
adamc@666 1364 ctx->heap.front += sizeof(regions);
adamc@323 1365
adamc@323 1366 r->next = ctx->regions;
adamc@323 1367 ctx->regions = r;
adamc@323 1368 }
adamc@323 1369
adamc@323 1370 void uw_end_region(uw_context ctx) {
adamc@323 1371 regions *r = ctx->regions;
adamc@323 1372
adamc@323 1373 if (r == NULL)
adamc@323 1374 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1375
adamc@666 1376 ctx->heap.front = (char *) r;
adamc@323 1377 ctx->regions = r->next;
adamc@323 1378 }
adamc@323 1379
adamc@324 1380 void uw_memstats(uw_context ctx) {
adam@1369 1381 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1382 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1383 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1384 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1385 }
adamc@324 1386
adam@1915 1387 int uw_pagelen(uw_context ctx) {
adam@1915 1388 return ctx->page.front - ctx->page.start;
adam@1915 1389 }
adam@1915 1390
adamc@311 1391 int uw_send(uw_context ctx, int sock) {
adam@1949 1392 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1393
adam@1949 1394 if (ctx->output_buffer_size < target_length) {
adam@1949 1395 do {
adam@1949 1396 ctx->output_buffer_size *= 2;
adam@1949 1397 } while (ctx->output_buffer_size < target_length);
adam@1949 1398 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1399 }
adam@1949 1400
adam@1949 1401 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1402 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1403 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1404
adam@1949 1405 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1406 }
adamc@462 1407
adamc@856 1408 int uw_print(uw_context ctx, int fd) {
adamc@856 1409 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1410
adamc@856 1411 if (n < 0)
adamc@856 1412 return n;
adamc@856 1413
adamc@856 1414 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1415
adamc@856 1416 if (n < 0)
adamc@856 1417 return n;
adamc@856 1418
adamc@856 1419 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1420 }
adamc@856 1421
adamc@860 1422 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1423 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1424
adamc@860 1425 if (n < 0)
adamc@860 1426 return n;
adamc@860 1427
adamc@860 1428 n = output(data, "\r\n", 2);
adamc@860 1429
adamc@860 1430 if (n < 0)
adamc@860 1431 return n;
adamc@860 1432
adamc@860 1433 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1434 }
adamc@860 1435
adamc@462 1436 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1437 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1438 }
adamc@462 1439
adamc@462 1440 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1441 int len = strlen(s);
adamc@462 1442
adamc@462 1443 uw_check_headers(ctx, len + 1);
adamc@666 1444 strcpy(ctx->outHeaders.front, s);
adamc@666 1445 ctx->outHeaders.front += len;
adamc@562 1446 }
adamc@562 1447
adam@1934 1448 int uw_has_contentLength(uw_context ctx) {
adam@1934 1449 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1450 }
adam@1934 1451
adamc@1110 1452 void uw_clear_headers(uw_context ctx) {
adam@1369 1453 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1454 }
adamc@1110 1455
adam@1932 1456 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1457 uw_buffer_reset(&ctx->page);
adam@1932 1458 }
adam@1932 1459
adamc@562 1460 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1461 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1462 }
adamc@562 1463
adamc@562 1464 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1465 int len = strlen(s);
adamc@562 1466
adamc@562 1467 uw_check_script(ctx, len + 1);
adamc@666 1468 strcpy(ctx->script.front, s);
adamc@666 1469 ctx->script.front += len;
adamc@562 1470 }
adamc@562 1471
adam@1446 1472 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1473 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1474 uw_write_script(ctx, "sig=\"");
adam@1671 1475 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1476 uw_write_script(ctx, "\";");
adam@1671 1477 }
adam@1671 1478
adam@1446 1479 return ctx->script.start;
adam@1446 1480 }
adam@1446 1481
adamc@695 1482 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1483 if (s[0] == 0)
adamc@695 1484 return "";
adamc@695 1485 else {
adamc@695 1486 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1487 sprintf(r, " onload='%s'", s);
adamc@695 1488 return r;
adamc@695 1489 }
adamc@695 1490 }
adamc@695 1491
adamc@1042 1492 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1493 if (ctx->script_header[0] == 0)
adamc@1042 1494 return "";
adamc@1042 1495 else {
vshabanoff@1763 1496 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1497 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1498 return r;
adamc@1042 1499 }
adamc@1042 1500 }
adamc@1042 1501
adamc@694 1502 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1503 if (ctx->client == NULL) {
adamc@736 1504 if (ctx->needs_sig) {
adamc@1094 1505 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1506 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1507 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1508 return r;
adamc@736 1509 }
adamc@736 1510 else
adamc@736 1511 return "";
adamc@736 1512 } else {
adamc@1094 1513 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1514 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1515 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1516 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1517 (ctx->isPost ? "true" : "false"),
adamc@682 1518 ctx->client->id,
adamc@682 1519 ctx->client->pass,
adamc@1094 1520 ctx->app->url_prefix,
adamc@1094 1521 ctx->app->timeout,
adamc@736 1522 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1523 sig,
adamc@736 1524 ctx->needs_sig ? "\";" : "");
adamc@679 1525 return r;
adamc@668 1526 }
adamc@667 1527 }
adamc@667 1528
adamc@574 1529 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1530 char *r, *s2;
adamc@574 1531
adam@1446 1532 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1533
adamc@666 1534 r = s2 = ctx->heap.front;
adamc@574 1535 *s2++ = '"';
adamc@574 1536
adamc@574 1537 for (; *s; s++) {
adam@1286 1538 unsigned char c = *s;
adamc@574 1539
adamc@574 1540 switch (c) {
adamc@574 1541 case '"':
adamc@574 1542 strcpy(s2, "\\\"");
adamc@574 1543 s2 += 2;
adamc@574 1544 break;
adamc@1027 1545 case '\'':
adamc@1027 1546 strcpy(s2, "\\047");
adamc@1027 1547 s2 += 4;
adamc@1027 1548 break;
adamc@574 1549 case '\\':
adamc@574 1550 strcpy(s2, "\\\\");
adamc@574 1551 s2 += 2;
adamc@574 1552 break;
adam@1457 1553 case '<':
adam@1457 1554 strcpy(s2, "\\074");
adam@1457 1555 s2 += 4;
adam@1457 1556 break;
adamc@574 1557 default:
adam@1286 1558 if (isprint((int)c) || c >= 128)
adamc@574 1559 *s2++ = c;
adamc@574 1560 else {
adam@1429 1561 sprintf(s2, "\\%03o", c);
adamc@574 1562 s2 += 4;
adamc@574 1563 }
adamc@574 1564 }
adamc@574 1565 }
adamc@574 1566
adamc@574 1567 strcpy(s2, "\"");
adamc@910 1568 ctx->heap.front = s2 + 2;
adamc@574 1569 return r;
adamc@574 1570 }
adamc@574 1571
adam@1286 1572 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1573 unsigned char c = c1;
adamc@1025 1574 char *r, *s2;
adamc@1025 1575
adam@1446 1576 uw_check_heap(ctx, 7);
adamc@1025 1577
adamc@1025 1578 r = s2 = ctx->heap.front;
adamc@1025 1579 *s2++ = '"';
adamc@1025 1580
adamc@1025 1581 switch (c) {
adamc@1025 1582 case '"':
adamc@1025 1583 strcpy(s2, "\\\"");
adamc@1025 1584 s2 += 2;
adamc@1025 1585 break;
adamc@1027 1586 case '\'':
adamc@1027 1587 strcpy(s2, "\\047");
adamc@1027 1588 s2 += 4;
adamc@1027 1589 break;
adamc@1025 1590 case '\\':
adamc@1025 1591 strcpy(s2, "\\\\");
adamc@1025 1592 s2 += 2;
adamc@1025 1593 break;
adam@1457 1594 case '<':
adam@1457 1595 strcpy(s2, "\\074");
adam@1457 1596 s2 += 4;
adam@1457 1597 break;
adamc@1025 1598 default:
adam@1286 1599 if (isprint((int)c) || c >= 128)
adamc@1025 1600 *s2++ = c;
adamc@1025 1601 else {
adam@1429 1602 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1603 s2 += 4;
adamc@1025 1604 }
adamc@1025 1605 }
adamc@1025 1606
adamc@1025 1607 strcpy(s2, "\"");
adamc@1025 1608 ctx->heap.front = s2 + 2;
adamc@1025 1609 return r;
adamc@1025 1610 }
adamc@1025 1611
adamc@574 1612 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1613 char *r, *s2;
adamc@574 1614
adam@1446 1615 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1616
adamc@666 1617 r = s2 = ctx->script.front;
adamc@574 1618 *s2++ = '"';
adamc@574 1619
adamc@574 1620 for (; *s; s++) {
adam@1286 1621 unsigned char c = *s;
adamc@574 1622
adamc@574 1623 switch (c) {
adamc@577 1624 case '\'':
adamc@1027 1625 strcpy(s2, "\\");
adamc@574 1626 s2 += 2;
adamc@574 1627 break;
adamc@574 1628 case '\\':
adamc@574 1629 strcpy(s2, "\\\\");
adamc@574 1630 s2 += 2;
adamc@574 1631 break;
adam@1457 1632 case '<':
adam@1457 1633 strcpy(s2, "\\074");
adam@1457 1634 s2 += 4;
adam@1457 1635 break;
adamc@574 1636 default:
adam@1286 1637 if (isprint((int)c) || c >= 128)
adamc@574 1638 *s2++ = c;
adamc@574 1639 else {
adam@1429 1640 sprintf(s2, "\\%03o", c);
adamc@574 1641 s2 += 4;
adamc@574 1642 }
adamc@574 1643 }
adamc@574 1644 }
adamc@574 1645
adamc@574 1646 strcpy(s2, "\"");
adamc@666 1647 ctx->script.front = s2 + 1;
adamc@574 1648 return r;
adamc@574 1649 }
adamc@574 1650
adamc@682 1651 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1652 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1653 return "null";
adamc@682 1654 else {
adamc@682 1655 int len;
adamc@682 1656 char *r;
adamc@682 1657
adamc@682 1658 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1659 r = ctx->heap.front;
adamc@682 1660 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1661 ctx->heap.front += len+1;
adamc@682 1662 return r;
adamc@682 1663 }
adamc@682 1664 }
adamc@682 1665
adam@1446 1666 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1667 int len;
adamc@577 1668 size_t s_len = strlen(s);
adamc@562 1669
grrwlf@1998 1670 if(ctx->id < 0)
grrwlf@1998 1671 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1672
adam@1446 1673 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1674 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1675 ctx->script.front += len;
adamc@666 1676 strcpy(ctx->script.front, s);
adamc@666 1677 ctx->script.front += s_len;
adamc@970 1678 strcpy(ctx->script.front, "));");
adamc@972 1679 ctx->script.front += 3;
adamc@562 1680
adam@1446 1681 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1682 return r;
adam@1446 1683 }
adam@1446 1684
adam@1446 1685 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1686 int len;
adamc@577 1687 size_t s_len = strlen(s);
adamc@577 1688
adam@1446 1689 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1690 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1691 ctx->script.front += len;
adamc@666 1692 strcpy(ctx->script.front, s);
adamc@666 1693 ctx->script.front += s_len;
adamc@970 1694 strcpy(ctx->script.front, "));");
adamc@972 1695 ctx->script.front += 3;
adamc@577 1696
adamc@577 1697 return uw_unit_v;
adamc@577 1698 }
adamc@577 1699
adamc@311 1700 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1701 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1702 }
adamc@117 1703
adamc@311 1704 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1705 *(ctx->page.front)++ = c;
adam@1413 1706 *ctx->page.front = 0;
adamc@117 1707 }
adamc@117 1708
adamc@311 1709 void uw_writec(uw_context ctx, char c) {
adam@1413 1710 uw_check(ctx, 2);
adamc@311 1711 uw_writec_unsafe(ctx, c);
adamc@117 1712 }
adamc@117 1713
adam@2085 1714 void uw_Basis_writec(uw_context ctx, char c) {
adam@2085 1715 uw_writec(ctx, c);
adam@2085 1716 }
adam@2085 1717
adamc@311 1718 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1719 int len = strlen(s);
adamc@666 1720 memcpy(ctx->page.front, s, len);
adamc@666 1721 ctx->page.front += len;
adamc@117 1722 }
adamc@117 1723
adamc@311 1724 void uw_write(uw_context ctx, const char* s) {
adamc@311 1725 uw_check(ctx, strlen(s) + 1);
adamc@311 1726 uw_write_unsafe(ctx, s);
adamc@666 1727 *ctx->page.front = 0;
adamc@102 1728 }
adamc@106 1729
ziv@2204 1730 void uw_recordingStart(uw_context ctx) {
ziv@2262 1731 if (ctx->numRecording++ == 0) {
ziv@2262 1732 ctx->recordingOffset = ctx->page.front - ctx->page.start;
ziv@2262 1733 }
ziv@2204 1734 }
ziv@2204 1735
ziv@2204 1736 char *uw_recordingRead(uw_context ctx) {
ziv@2262 1737 // Only the outermost recorder can read unless the recording is empty.
ziv@2262 1738 char *recording = ctx->page.start + ctx->recordingOffset;
ziv@2262 1739 if (--ctx->numRecording > 0 && recording != ctx->page.front) {
ziv@2262 1740 return NULL;
ziv@2262 1741 }
ziv@2262 1742 return strdup(recording);
ziv@2204 1743 }
ziv@2204 1744
adamc@311 1745 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1746 char *result;
adamc@136 1747 int len;
adamc@311 1748 uw_check_heap(ctx, INTS_MAX);
adamc@666 1749 result = ctx->heap.front;
adamc@276 1750 sprintf(result, "%lld%n", n, &len);
adamc@666 1751 ctx->heap.front += len+1;
adamc@136 1752 return result;
adamc@106 1753 }
adamc@106 1754
adamc@311 1755 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1756 char *result;
adamc@136 1757 int len;
adamc@311 1758 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1759 result = ctx->heap.front;
adam@1920 1760 sprintf(result, "%.16g%n", n, &len);
adamc@666 1761 ctx->heap.front += len+1;
adamc@136 1762 return result;
adamc@106 1763 }
adamc@106 1764
adamc@311 1765 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1766 int len = strlen(s);
adamc@136 1767 char *result, *p;
adamc@311 1768 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1769
adamc@666 1770 result = p = ctx->heap.front;
adamc@136 1771
adamc@136 1772 for (; *s; s++) {
adamc@1054 1773 unsigned char c = *s;
adamc@136 1774
adamc@136 1775 if (c == '"') {
adamc@136 1776 strcpy(p, "&quot;");
adamc@136 1777 p += 6;
adamc@136 1778 } else if (c == '&') {
adamc@136 1779 strcpy(p, "&amp;");
adamc@136 1780 p += 5;
adamc@136 1781 }
adamc@1059 1782 else
adamc@136 1783 *p++ = c;
adamc@136 1784 }
adamc@136 1785
adamc@137 1786 *p++ = 0;
adamc@666 1787 ctx->heap.front = p;
adamc@136 1788 return result;
adamc@106 1789 }
adamc@106 1790
adamc@1011 1791 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1792 char *result, *p;
adamc@1011 1793 uw_check_heap(ctx, 7);
adamc@1011 1794
adamc@1011 1795 result = p = ctx->heap.front;
adamc@1011 1796
adamc@1011 1797 if (c == '"') {
adamc@1011 1798 strcpy(p, "&quot;");
adamc@1011 1799 p += 6;
adamc@1011 1800 } else if (c == '&') {
adamc@1011 1801 strcpy(p, "&amp;");
adamc@1011 1802 p += 5;
adamc@1011 1803 }
adamc@1059 1804 else
adamc@1011 1805 *p++ = c;
adamc@1011 1806
adamc@1011 1807 *p++ = 0;
adamc@1011 1808 ctx->heap.front = p;
adamc@1011 1809 return result;
adamc@1011 1810 }
adamc@1011 1811
adamc@721 1812 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1813 return s;
adamc@721 1814 }
adamc@721 1815
adamc@311 1816 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1817 int len;
adamc@117 1818
adamc@666 1819 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1820 ctx->page.front += len;
adamc@106 1821 }
adamc@106 1822
adamc@428 1823 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1824 uw_check(ctx, INTS_MAX);
adamc@311 1825 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1826
adamc@428 1827 return uw_unit_v;
adamc@106 1828 }
adamc@106 1829
adamc@428 1830 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1831 int len;
adamc@117 1832
adamc@311 1833 uw_check(ctx, FLOATS_MAX);
adamc@666 1834 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1835 ctx->page.front += len;
adamc@428 1836
adamc@428 1837 return uw_unit_v;
adamc@117 1838 }
adamc@117 1839
adamc@428 1840 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1841 uw_check(ctx, strlen(s) * 6);
adamc@117 1842
adamc@106 1843 for (; *s; s++) {
adamc@1054 1844 unsigned char c = *s;
adamc@106 1845
adamc@106 1846 if (c == '"')
adamc@311 1847 uw_write_unsafe(ctx, "&quot;");
adamc@136 1848 else if (c == '&')
adamc@311 1849 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1850 else
adamc@311 1851 uw_writec_unsafe(ctx, c);
adamc@106 1852 }
adamc@428 1853
adamc@428 1854 return uw_unit_v;
adamc@106 1855 }
adamc@120 1856
adamc@1011 1857 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1858 uw_check(ctx, 6);
adamc@1011 1859
adamc@1011 1860 if (c == '"')
adamc@1011 1861 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1862 else if (c == '&')
adamc@1011 1863 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1864 else
adamc@1011 1865 uw_writec_unsafe(ctx, c);
adamc@1011 1866
adamc@1011 1867 return uw_unit_v;
adamc@1011 1868 }
adamc@1011 1869
adamc@120 1870
adamc@311 1871 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1872 int len;
adamc@137 1873 char *r;
adamc@137 1874
adamc@311 1875 uw_check_heap(ctx, INTS_MAX);
adamc@666 1876 r = ctx->heap.front;
adamc@276 1877 sprintf(r, "%lld%n", n, &len);
adamc@666 1878 ctx->heap.front += len+1;
adamc@137 1879 return r;
adamc@120 1880 }
adamc@120 1881
adamc@682 1882 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1883 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1884 return "";
adamc@682 1885 else {
adamc@682 1886 int len;
adamc@682 1887 char *r;
adamc@679 1888
adamc@682 1889 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1890 r = ctx->heap.front;
adamc@682 1891 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1892 ctx->heap.front += len+1;
adamc@682 1893 return r;
adamc@682 1894 }
adamc@679 1895 }
adamc@679 1896
adamc@311 1897 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1898 int len;
adamc@137 1899 char *r;
adamc@137 1900
adamc@311 1901 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1902 r = ctx->heap.front;
adamc@137 1903 sprintf(r, "%g%n", n, &len);
adamc@666 1904 ctx->heap.front += len+1;
adamc@137 1905 return r;
adamc@120 1906 }
adamc@120 1907
adamc@311 1908 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1909 char *r, *p;
adamc@137 1910
adamc@925 1911 if (s[0] == '\0')
adamc@925 1912 return "_";
adamc@925 1913
adamc@925 1914 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1915
adamc@925 1916 r = p = ctx->heap.front;
adamc@925 1917 if (s[0] == '_')
adamc@925 1918 *p++ = '_';
adamc@925 1919
adamc@925 1920 for (; *s; s++) {
adamc@1087 1921 unsigned char c = *s;
adamc@137 1922
adamc@137 1923 if (c == ' ')
adamc@137 1924 *p++ = '+';
adamc@137 1925 else if (isalnum(c))
adamc@137 1926 *p++ = c;
adamc@137 1927 else {
adamc@1259 1928 sprintf(p, ".%02X", c);
adamc@137 1929 p += 3;
adamc@137 1930 }
adamc@137 1931 }
adamc@137 1932
adamc@137 1933 *p++ = 0;
adamc@666 1934 ctx->heap.front = p;
adamc@137 1935 return r;
adamc@120 1936 }
adamc@120 1937
adamc@311 1938 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1939 if (b == uw_Basis_False)
adamc@186 1940 return "0";
adamc@186 1941 else
adamc@186 1942 return "1";
adamc@186 1943 }
adamc@186 1944
adam@1620 1945 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1946 char *r;
adam@1620 1947 int len;
adam@1620 1948 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1949 r = ctx->heap.front;
adam@1620 1950 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1951 ctx->heap.front += len+1;
adam@1620 1952 return r;
adam@1620 1953 }
adam@1620 1954
adamc@311 1955 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1956 int len;
adamc@120 1957
adamc@666 1958 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1959 ctx->page.front += len;
adamc@120 1960 }
adamc@120 1961
adamc@428 1962 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1963 uw_check(ctx, INTS_MAX);
adamc@311 1964 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1965
adamc@428 1966 return uw_unit_v;
adamc@120 1967 }
adamc@120 1968
adamc@682 1969 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1970 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1971 int len;
phurst@1981 1972
adamc@682 1973 uw_check(ctx, INTS_MAX + 1);
adamc@682 1974 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1975 ctx->page.front += len;
adamc@682 1976 }
phurst@1981 1977
adamc@679 1978 return uw_unit_v;
adamc@679 1979 }
adamc@679 1980
adamc@428 1981 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1982 int len;
adamc@120 1983
adamc@311 1984 uw_check(ctx, FLOATS_MAX);
adamc@666 1985 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1986 ctx->page.front += len;
adamc@428 1987
adamc@428 1988 return uw_unit_v;
adamc@120 1989 }
adamc@120 1990
adamc@488 1991 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1992 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1993 }
adamc@488 1994
adam@1404 1995 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1996 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1997 }
adam@1404 1998
adamc@428 1999 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 2000 if (s[0] == '\0') {
adamc@925 2001 uw_check(ctx, 1);
adamc@925 2002 uw_writec_unsafe(ctx, '_');
adamc@925 2003 return uw_unit_v;
adamc@925 2004 }
adamc@925 2005
adamc@925 2006 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 2007
adamc@925 2008 if (s[0] == '_')
adamc@925 2009 uw_writec_unsafe(ctx, '_');
adamc@120 2010
adamc@120 2011 for (; *s; s++) {
adamc@1087 2012 unsigned char c = *s;
adamc@120 2013
adamc@120 2014 if (c == ' ')
adamc@311 2015 uw_writec_unsafe(ctx, '+');
adamc@120 2016 else if (isalnum(c))
adamc@311 2017 uw_writec_unsafe(ctx, c);
adamc@120 2018 else {
adamc@1259 2019 sprintf(ctx->page.front, ".%02X", c);
adamc@666 2020 ctx->page.front += 3;
adamc@120 2021 }
adamc@120 2022 }
adamc@428 2023
adamc@428 2024 return uw_unit_v;
adamc@120 2025 }
adamc@120 2026
adamc@428 2027 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2028 if (b == uw_Basis_False)
adamc@311 2029 uw_writec(ctx, '0');
adamc@186 2030 else
adamc@311 2031 uw_writec(ctx, '1');
adamc@428 2032
adamc@428 2033 return uw_unit_v;
adamc@186 2034 }
adamc@186 2035
adam@1620 2036 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 2037 int len;
phurst@1981 2038
adam@1620 2039 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 2040 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 2041 ctx->page.front += len;
phurst@1981 2042
adam@1620 2043 return uw_unit_v;
adam@1620 2044 }
adam@1620 2045
adamc@120 2046
adamc@311 2047 static char *uw_unurlify_advance(char *s) {
adamc@144 2048 char *new_s = strchr(s, '/');
adamc@120 2049
adamc@120 2050 if (new_s)
adamc@120 2051 *new_s++ = 0;
adamc@120 2052 else
adamc@144 2053 new_s = strchr(s, 0);
adamc@144 2054
adamc@144 2055 return new_s;
adamc@144 2056 }
adamc@144 2057
adamc@311 2058 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 2059 char *new_s = uw_unurlify_advance(*s);
adamc@311 2060 uw_Basis_int r;
adamc@120 2061
adamc@276 2062 r = atoll(*s);
adamc@120 2063 *s = new_s;
adamc@120 2064 return r;
adamc@120 2065 }
adamc@120 2066
adamc@311 2067 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 2068 char *new_s = uw_unurlify_advance(*s);
adamc@311 2069 uw_Basis_float r;
adamc@120 2070
adamc@120 2071 r = atof(*s);
adamc@120 2072 *s = new_s;
adamc@120 2073 return r;
adamc@120 2074 }
adamc@120 2075
adamc@488 2076 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 2077 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 2078 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 2079 return r;
adamc@488 2080 }
adamc@488 2081
adamc@1023 2082 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2083 char *s1, *s2 = s;
adamc@144 2084 int n;
adamc@136 2085
adamc@1023 2086 if (!fromClient) {
adamc@1023 2087 if (*s2 == '_')
adamc@1023 2088 ++s2;
adamc@1259 2089 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2090 s2 += 3;
adamc@1023 2091 }
adamc@925 2092
adamc@927 2093 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2094 unsigned char c = *s2;
adamc@136 2095
adamc@136 2096 switch (c) {
adamc@136 2097 case '+':
adamc@136 2098 *s1 = ' ';
adamc@136 2099 break;
adamc@136 2100 case '%':
adamc@169 2101 if (s2[1] == 0)
adamc@311 2102 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2103 if (s2[2] == 0)
adamc@311 2104 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2105 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2106 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2107 *s1 = n;
adamc@136 2108 s2 += 2;
adamc@136 2109 break;
adamc@1259 2110 case '.':
adamc@1259 2111 if (!fromClient) {
adamc@1259 2112 if (s2[1] == 0)
adamc@1259 2113 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2114 if (s2[2] == 0)
adamc@1259 2115 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2116 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2117 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2118 *s1 = n;
adamc@1259 2119 s2 += 2;
adamc@1259 2120 break;
adamc@1259 2121 }
adamc@136 2122 default:
adamc@136 2123 *s1 = c;
adamc@136 2124 }
adamc@136 2125 }
adamc@136 2126 *s1++ = 0;
adamc@144 2127 return s1;
adamc@144 2128 }
adamc@144 2129
adamc@311 2130 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2131 char *new_s = uw_unurlify_advance(*s);
adamc@311 2132 uw_Basis_bool r;
phurst@1981 2133
adamc@186 2134 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2135 r = uw_Basis_False;
adamc@186 2136 else
adamc@311 2137 r = uw_Basis_True;
adamc@186 2138
adamc@186 2139 *s = new_s;
adamc@186 2140 return r;
adamc@186 2141 }
adamc@186 2142
adamc@311 2143 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2144 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2145 char *r;
adamc@1134 2146 int len;
adamc@144 2147
adamc@200 2148 len = strlen(*s);
adamc@311 2149 uw_check_heap(ctx, len + 1);
adamc@144 2150
adamc@666 2151 r = ctx->heap.front;
adamc@1023 2152 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2153 *s = new_s;
adamc@1023 2154 return r;
adamc@1023 2155 }
adamc@1023 2156
adamc@1109 2157 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2158 *s = uw_unurlify_advance(*s);
adamc@1109 2159 return uw_unit_v;
adamc@1109 2160 }
adamc@1109 2161
adamc@1023 2162 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2163 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2164 char *r;
adamc@1134 2165 int len;
adamc@1023 2166
adamc@1023 2167 len = strlen(*s);
adamc@1023 2168 uw_check_heap(ctx, len + 1);
adamc@1023 2169
adamc@1023 2170 r = ctx->heap.front;
adamc@1023 2171 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2172 *s = new_s;
adamc@136 2173 return r;
adamc@120 2174 }
adamc@135 2175
adamc@135 2176
adamc@311 2177 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2178 int len;
adamc@286 2179 char *r;
adamc@286 2180
adamc@311 2181 uw_check_heap(ctx, INTS_MAX);
adamc@666 2182 r = ctx->heap.front;
adamc@286 2183 sprintf(r, "%lld%n", n, &len);
adamc@666 2184 ctx->heap.front += len+1;
adamc@286 2185 return r;
adamc@286 2186 }
adamc@286 2187
adamc@428 2188 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2189 int len;
adamc@286 2190
adamc@311 2191 uw_check(ctx, INTS_MAX);
adamc@666 2192 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2193 ctx->page.front += len;
phurst@1981 2194
adamc@428 2195 return uw_unit_v;
adamc@286 2196 }
adamc@286 2197
adam@1358 2198 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2199 unsigned int n = ch;
adam@1358 2200 int len;
adam@1358 2201 char *r;
adam@1358 2202
adam@1358 2203 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2204 r = ctx->heap.front;
adam@1358 2205 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2206 ctx->heap.front += len+1;
adam@1358 2207 return r;
adam@1358 2208 }
adam@1358 2209
adam@1358 2210 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2211 unsigned int n = ch;
adam@1358 2212 int len;
adam@1358 2213
adam@1358 2214 uw_check(ctx, INTS_MAX+3);
adam@1358 2215 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2216 ctx->page.front += len;
adam@1358 2217 return uw_unit_v;
adam@1358 2218 }
adam@1358 2219
adamc@311 2220 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2221 int len;
adamc@286 2222 char *r;
adamc@286 2223
adamc@311 2224 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2225 r = ctx->heap.front;
adamc@286 2226 sprintf(r, "%g%n", n, &len);
adamc@666 2227 ctx->heap.front += len+1;
adamc@286 2228 return r;
adamc@286 2229 }
adamc@286 2230
adamc@428 2231 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2232 int len;
adamc@286 2233
adamc@311 2234 uw_check(ctx, FLOATS_MAX);
adamc@666 2235 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2236 ctx->page.front += len;
adamc@428 2237
adamc@428 2238 return uw_unit_v;
adamc@286 2239 }
adamc@286 2240
adam@1365 2241 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2242 int len;
adam@1360 2243 char *r;
adam@1360 2244
adam@1360 2245 uw_check_heap(ctx, INTS_MAX);
adam@1360 2246 r = ctx->heap.front;
adamc@1377 2247 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2248 ctx->heap.front += len+1;
adam@1360 2249 return r;
adam@1360 2250 }
adam@1360 2251
adam@1365 2252 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2253 int len;
adam@1360 2254
adam@1360 2255 uw_check(ctx, INTS_MAX);
adam@1360 2256 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2257 ctx->page.front += len;
phurst@1981 2258
adam@1360 2259 return uw_unit_v;
adam@1360 2260 }
adam@1360 2261
adam@1444 2262 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2263 char *r, *s2;
adamc@137 2264
adamc@311 2265 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2266
adamc@666 2267 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2268 unsigned char c = *s;
adamc@137 2269
adamc@137 2270 switch (c) {
adamc@137 2271 case '<':
adamc@137 2272 strcpy(s2, "&lt;");
adamc@137 2273 s2 += 4;
adamc@137 2274 break;
adamc@137 2275 case '&':
adamc@137 2276 strcpy(s2, "&amp;");
adamc@137 2277 s2 += 5;
adamc@137 2278 break;
adamc@137 2279 default:
adamc@1059 2280 *s2++ = c;
adamc@137 2281 }
adamc@137 2282 }
adamc@137 2283
adamc@137 2284 *s2++ = 0;
adamc@666 2285 ctx->heap.front = s2;
adamc@137 2286 return r;
adamc@135 2287 }
adamc@135 2288
adamc@428 2289 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2290 uw_check(ctx, strlen(s) * 6);
adamc@135 2291
adamc@135 2292 for (; *s; s++) {
adamc@1054 2293 unsigned char c = *s;
adamc@135 2294
adamc@135 2295 switch (c) {
adamc@135 2296 case '<':
adamc@311 2297 uw_write_unsafe(ctx, "&lt;");
adamc@135 2298 break;
adamc@135 2299 case '&':
adamc@311 2300 uw_write_unsafe(ctx, "&amp;");
adamc@135 2301 break;
adamc@135 2302 default:
adamc@1059 2303 uw_writec_unsafe(ctx, c);
adamc@135 2304 }
adamc@135 2305 }
adamc@428 2306
adamc@428 2307 return uw_unit_v;
adamc@135 2308 }
adamc@180 2309
adamc@311 2310 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2311 if (b == uw_Basis_False)
adamc@286 2312 return "False";
adamc@286 2313 else
adamc@286 2314 return "True";
adamc@286 2315 }
adamc@286 2316
adamc@428 2317 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2318 if (b == uw_Basis_False) {
adamc@311 2319 uw_check(ctx, 6);
adamc@666 2320 strcpy(ctx->page.front, "False");
adamc@666 2321 ctx->page.front += 5;
adamc@286 2322 } else {
adamc@311 2323 uw_check(ctx, 5);
adamc@666 2324 strcpy(ctx->page.front, "True");
adamc@666 2325 ctx->page.front += 4;
adamc@286 2326 }
adamc@428 2327
adamc@428 2328 return uw_unit_v;
adamc@286 2329 }
adamc@286 2330
adamc@436 2331 #define TIME_FMT "%x %X"
adamc@438 2332 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2333 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2334
adam@1629 2335 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2336
adamc@436 2337 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2338 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2339 }
adamc@436 2340
adamc@436 2341 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2342 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2343 }
adamc@436 2344
adam@1446 2345 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2346 int len;
adam@1446 2347 char *r;
adam@1446 2348
adam@1446 2349 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2350 r = ctx->heap.front;
adam@1446 2351 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2352 ctx->heap.front += len+1;
adam@1446 2353 return r;
adam@1446 2354 }
adam@1446 2355
adam@1446 2356 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2357 int len;
adam@1446 2358
adam@1446 2359 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2360 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2361 ctx->page.front += len;
phurst@1981 2362
adam@1446 2363 return uw_unit_v;
adam@1446 2364 }
adam@1446 2365
adamc@821 2366 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2367 while (n >= 0) {
adam@1388 2368 if (*s == 0)
adam@1388 2369 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2370
adam@1388 2371 if (n == 0)
adam@1388 2372 return *s;
adam@1388 2373
adam@1388 2374 --n;
adam@1388 2375 ++s;
adam@1388 2376 }
adam@1388 2377
adam@1388 2378 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2379 }
adamc@821 2380
adamc@821 2381 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2382 while (n >= 0) {
adam@1388 2383 if (*s == 0 || n == 0)
adam@1388 2384 return s;
adam@1388 2385
adam@1388 2386 --n;
adam@1388 2387 ++s;
adam@1388 2388 }
adam@1388 2389
adam@1388 2390 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2391 }
adamc@821 2392
adamc@828 2393 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2394 return strlen(s);
adamc@828 2395 }
adamc@828 2396
adam@1388 2397 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2398 while (n > 0) {
adam@1388 2399 if (*s == 0)
adam@1388 2400 return uw_Basis_False;
adam@1388 2401
adam@1388 2402 --n;
adam@1388 2403 ++s;
adam@1388 2404 }
adam@1388 2405
adam@1388 2406 return uw_Basis_True;
adam@1388 2407 }
adam@1388 2408
adamc@829 2409 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2410 return strchr(s, ch);
adamc@829 2411 }
adamc@829 2412
adamc@831 2413 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2414 return strcspn(s, chs);
adamc@831 2415 }
adamc@831 2416
adamc@829 2417 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2418 uw_Basis_string r = strchr(s, ch);
adamc@829 2419 if (r == NULL)
adamc@829 2420 return NULL;
adamc@829 2421 else {
adamc@829 2422 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2423 *nr = r - s;
adamc@829 2424 return nr;
adamc@829 2425 }
adamc@829 2426 }
adamc@829 2427
adam@1390 2428 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2429 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2430 if (r == NULL)
adam@1390 2431 return NULL;
adam@1390 2432 else {
adam@1390 2433 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2434 *nr = r - haystack;
adam@1390 2435 return nr;
adam@1390 2436 }
adam@1390 2437 }
adam@1390 2438
adamc@311 2439 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2440 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2441 char *s;
adamc@180 2442
adamc@311 2443 uw_check_heap(ctx, len);
adamc@180 2444
adamc@666 2445 s = ctx->heap.front;
adamc@180 2446
adamc@180 2447 strcpy(s, s1);
adamc@180 2448 strcat(s, s2);
adamc@666 2449 ctx->heap.front += len;
adamc@180 2450
adamc@180 2451 return s;
adamc@180 2452 }
adamc@278 2453
adamc@829 2454 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2455 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2456
adamc@829 2457 if (start < 0)
adamc@829 2458 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2459 if (len < 0)
adamc@829 2460 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2461 if (start + len > full_len)
adamc@829 2462 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2463
adamc@829 2464 if (start + len == full_len)
adamc@829 2465 return &s[start];
adamc@829 2466 else {
adamc@829 2467 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2468 memcpy(r, s+start, len);
adamc@829 2469 r[len] = 0;
adamc@829 2470 return r;
adamc@829 2471 }
phurst@1981 2472
adamc@829 2473 }
adamc@829 2474
adamc@1023 2475 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2476 char *r;
adamc@1023 2477
adamc@1023 2478 uw_check_heap(ctx, 2);
adamc@1023 2479 r = ctx->heap.front;
adamc@1023 2480 r[0] = ch;
adamc@1023 2481 r[1] = 0;
adamc@1023 2482
adamc@1023 2483 ctx->heap.front += 2;
adamc@1023 2484
adamc@1023 2485 return r;
adamc@1023 2486 }
adamc@1023 2487
adamc@737 2488 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2489 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2490 char *s;
adamc@278 2491
adamc@311 2492 uw_check_heap(ctx, len);
adamc@278 2493
adamc@666 2494 s = ctx->heap.front;
adamc@278 2495
adamc@278 2496 strcpy(s, s1);
adamc@666 2497 ctx->heap.front += len;
adamc@278 2498
adamc@278 2499 return s;
adamc@278 2500 }
adamc@280 2501
adam@1295 2502 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2503 if (ctx->error_message[0]) {
adam@1295 2504 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2505 ctx->error_message[0] = 0;
adam@1295 2506 return s;
adam@1295 2507 } else
adam@1295 2508 return NULL;
adam@1295 2509 }
adam@1295 2510
adamc@737 2511 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2512 if (s1)
adamc@737 2513 return uw_strdup(ctx, s1);
adamc@493 2514 else
adamc@493 2515 return NULL;
adamc@493 2516 }
adamc@493 2517
adamc@742 2518 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2519 char *r = uw_malloc(ctx, len);
adamc@742 2520 memcpy(r, p, len);
adamc@742 2521 return r;
adamc@742 2522 }
adamc@280 2523
adamc@879 2524 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2525
adamc@311 2526 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2527 int len;
adamc@281 2528 char *r;
adamc@281 2529
adamc@311 2530 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2531 r = ctx->heap.front;
adamc@879 2532 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2533 ctx->heap.front += len+1;
adamc@281 2534 return r;
adamc@281 2535 }
adamc@281 2536
adamc@467 2537 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2538 if (n == NULL)
adamc@467 2539 return "NULL";
adamc@467 2540 else
adamc@467 2541 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2542 }
adamc@467 2543
adam@1920 2544 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2545
adamc@311 2546 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2547 int len;
adamc@281 2548 char *r;
adamc@281 2549
adamc@311 2550 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2551 r = ctx->heap.front;
adamc@879 2552 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2553 ctx->heap.front += len+1;
adamc@281 2554 return r;
adamc@281 2555 }
adamc@281 2556
adamc@467 2557 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2558 if (n == NULL)
adamc@467 2559 return "NULL";
adamc@467 2560 else
adamc@467 2561 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2562 }
adamc@467 2563
adam@1834 2564 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2565 char *uw_sqlsuffixString = "::text";
adamc@1011 2566 char *uw_sqlsuffixChar = "::char";
adamc@281 2567
adamc@311 2568 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2569 char *r, *s2;
adamc@280 2570
adamc@879 2571 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2572
adamc@666 2573 r = s2 = ctx->heap.front;
adamc@879 2574 if (uw_Estrings)
adamc@879 2575 *s2++ = 'E';
adamc@280 2576 *s2++ = '\'';
adamc@280 2577
adamc@280 2578 for (; *s; s++) {
adamc@280 2579 char c = *s;
adamc@280 2580
adamc@280 2581 switch (c) {
adamc@280 2582 case '\'':
adamc@885 2583 if (uw_Estrings)
adamc@885 2584 strcpy(s2, "\\'");
adamc@885 2585 else
adamc@885 2586 strcpy(s2, "''");
adamc@280 2587 s2 += 2;
adamc@280 2588 break;
adamc@280 2589 case '\\':
adamc@885 2590 if (uw_Estrings) {
adamc@885 2591 strcpy(s2, "\\\\");
adamc@885 2592 s2 += 2;
adamc@885 2593 } else
adamc@885 2594 *s2++ = '\\';
adamc@280 2595 break;
adamc@280 2596 default:
adamc@1150 2597 if (isprint((int)c))
adamc@280 2598 *s2++ = c;
adamc@879 2599 else if (uw_Estrings) {
adam@1857 2600 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2601 s2 += 4;
adamc@280 2602 }
adamc@879 2603 else
adam@1689 2604 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2605 }
adamc@280 2606 }
adamc@280 2607
adamc@879 2608 *s2++ = '\'';
adamc@879 2609 strcpy(s2, uw_sqlsuffixString);
adamc@879 2610 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2611 return r;
adamc@280 2612 }
adamc@281 2613
adamc@1011 2614 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2615 char *r, *s2;
adamc@1011 2616
adamc@1011 2617 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2618
adamc@1011 2619 r = s2 = ctx->heap.front;
adamc@1011 2620 if (uw_Estrings)
adamc@1011 2621 *s2++ = 'E';
adamc@1011 2622 *s2++ = '\'';
adamc@1011 2623
adamc@1011 2624 switch (c) {
adamc@1011 2625 case '\'':
adamc@1011 2626 if (uw_Estrings)
adamc@1011 2627 strcpy(s2, "\\'");
adamc@1011 2628 else
adamc@1011 2629 strcpy(s2, "''");
adamc@1011 2630 s2 += 2;
adamc@1011 2631 break;
adamc@1011 2632 case '\\':
adamc@1011 2633 if (uw_Estrings) {
adamc@1011 2634 strcpy(s2, "\\\\");
adamc@1011 2635 s2 += 2;
adamc@1011 2636 } else
adamc@1011 2637 *s2++ = '\\';
adamc@1011 2638 break;
adamc@1011 2639 default:
adamc@1150 2640 if (isprint((int)c))
adamc@1011 2641 *s2++ = c;
adamc@1011 2642 else if (uw_Estrings) {
adam@1857 2643 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2644 s2 += 4;
adamc@1011 2645 }
adamc@1011 2646 else
adamc@1011 2647 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2648 }
adamc@1011 2649
adamc@1011 2650 *s2++ = '\'';
adamc@1011 2651 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2652 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2653 return r;
adamc@1011 2654 }
adamc@1011 2655
adamc@879 2656 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2657
adam@1867 2658 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2659 char *r, *s2;
adamc@737 2660 size_t i;
adamc@737 2661
adam@1867 2662 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2663
adamc@737 2664 r = s2 = ctx->heap.front;
adamc@879 2665 if (uw_Estrings)
adamc@879 2666 *s2++ = 'E';
adam@1867 2667 else
adam@1867 2668 *s2++ = 'X';
adamc@737 2669 *s2++ = '\'';
adamc@737 2670
adamc@737 2671 for (i = 0; i < b.size; ++i) {
adam@1867 2672 unsigned char c = b.data[i];
adam@1867 2673
adam@1867 2674 if (uw_Estrings) {
adam@1867 2675 switch (c) {
adam@1867 2676 case '\'':
adamc@885 2677 strcpy(s2, "\\'");
adam@1867 2678 s2 += 2;
adam@1867 2679 break;
adam@1867 2680 case '\\':
adamc@885 2681 strcpy(s2, "\\\\\\\\");
adamc@885 2682 s2 += 4;
adam@1867 2683 break;
adam@1867 2684 default:
adam@1867 2685 if (isprint((int)c))
adam@1867 2686 *s2++ = c;
adam@1867 2687 else {
adam@1867 2688 sprintf(s2, "\\\\%03o", c);
adam@1867 2689 s2 += 5;
adam@1867 2690 }
adamc@737 2691 }
adam@1867 2692 } else {
adam@1867 2693 sprintf(s2, "%02X", c);
adam@1867 2694 s2 += 2;
adamc@737 2695 }
phurst@1981 2696 }
adamc@737 2697
adamc@879 2698 *s2++ = '\'';
adamc@879 2699 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2700 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2701 return r;
adamc@737 2702 }
adamc@737 2703
adamc@682 2704 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2705 int len;
adamc@682 2706 char *r;
adamc@682 2707 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2708
adamc@682 2709 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2710 r = ctx->heap.front;
adamc@879 2711 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2712 ctx->heap.front += len+1;
adamc@682 2713 return r;
adamc@682 2714 }
adamc@682 2715
adamc@682 2716 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2717 int len;
adamc@682 2718 char *r;
adamc@682 2719 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2720
adamc@682 2721 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2722 r = ctx->heap.front;
adamc@682 2723 sprintf(r, "%lld%n", combo, &len);
adamc@682 2724 ctx->heap.front += len+1;
adamc@682 2725 return r;
adamc@682 2726 }
adamc@682 2727
adamc@879 2728 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2729
adamc@682 2730 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2731 int len;
adamc@682 2732 char *r;
adamc@682 2733
adamc@682 2734 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2735 r = ctx->heap.front;
adamc@879 2736 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2737 ctx->heap.front += len+1;
adamc@682 2738 return r;
adamc@682 2739 }
adamc@682 2740
adamc@682 2741 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2742 int len;
adamc@682 2743 char *r;
adamc@682 2744
adamc@682 2745 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2746 r = ctx->heap.front;
adamc@682 2747 sprintf(r, "%u%n", cli, &len);
adamc@682 2748 ctx->heap.front += len+1;
adamc@682 2749 return r;
adamc@682 2750 }
adamc@682 2751
adamc@467 2752 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2753 if (s == NULL)
adamc@467 2754 return "NULL";
adamc@467 2755 else
adamc@467 2756 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2757 }
adamc@467 2758
adamc@311 2759 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2760 if (b == uw_Basis_False)
adamc@281 2761 return "FALSE";
adamc@281 2762 else
adamc@281 2763 return "TRUE";
adamc@281 2764 }
adamc@282 2765
adamc@467 2766 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2767 if (b == NULL)
adamc@467 2768 return "NULL";
adamc@467 2769 else
adamc@467 2770 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2771 }
adamc@467 2772
adamc@439 2773 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2774 size_t len;
adamc@682 2775 char *r, *s;
adam@1392 2776 struct tm stm = {};
adam@1392 2777 stm.tm_isdst = -1;
adamc@682 2778
adam@1365 2779 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2780 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2781 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2782 if (uw_sql_type_annotations) {
adam@1834 2783 if (t.microseconds) {
adam@1834 2784 r = uw_malloc(ctx, len + 21);
adam@1834 2785 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2786 } else {
adam@1834 2787 r = uw_malloc(ctx, len + 14);
adam@1834 2788 sprintf(r, "'%s'::timestamp", s);
adam@1834 2789 }
adam@1367 2790 } else {
adam@1834 2791 r = uw_malloc(ctx, len + 3);
adam@1834 2792 sprintf(r, "'%s'", s);
adam@1367 2793 }
adamc@682 2794 return r;
adamc@682 2795 } else
adamc@682 2796 return "<Invalid time>";
adamc@682 2797 }
adamc@682 2798
adamc@682 2799 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2800 size_t len;
adamc@439 2801 char *r;
adam@1392 2802 struct tm stm = {};
adam@1392 2803 stm.tm_isdst = -1;
adamc@439 2804
adam@1365 2805 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2806 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2807 r = ctx->heap.front;
adamc@439 2808 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2809 ctx->heap.front += len+1;
adamc@439 2810 return r;
adamc@439 2811 } else
adamc@439 2812 return "<Invalid time>";
adamc@439 2813 }
adamc@439 2814
adam@1364 2815 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2816 size_t len;
adam@1364 2817 char *r;
adam@1392 2818 struct tm stm = {};
adam@1392 2819 stm.tm_isdst = -1;
adam@1364 2820
adam@1365 2821 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2822 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2823 r = ctx->heap.front;
adam@1365 2824 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2825 ctx->heap.front += len;
adam@1365 2826 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2827 ctx->heap.front += 8;
adam@1364 2828 return r;
adam@1364 2829 } else
adam@1364 2830 return "<Invalid time>";
adam@1364 2831 }
adam@1364 2832
adamc@467 2833 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2834 if (t == NULL)
adamc@467 2835 return "NULL";
adamc@467 2836 else
adamc@467 2837 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2838 }
adamc@467 2839
adamc@311 2840 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2841 static uw_Basis_int true = 1;
adamc@311 2842 static uw_Basis_int false = 0;
adamc@282 2843
adamc@311 2844 if (b == uw_Basis_False)
adamc@282 2845 return (char *)&false;
adamc@282 2846 else
adamc@282 2847 return (char *)&true;
adamc@282 2848 }
adamc@284 2849
adamc@311 2850 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2851 int len;
adamc@284 2852 char *r;
adamc@284 2853
adamc@311 2854 uw_check_heap(ctx, INTS_MAX);
adamc@666 2855 r = ctx->heap.front;
adamc@284 2856 sprintf(r, "%lld%n", n, &len);
adamc@666 2857 ctx->heap.front += len+1;
adamc@284 2858 return r;
adamc@284 2859 }
adamc@285 2860
adamc@311 2861 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2862 int len;
adamc@285 2863 char *r;
adamc@285 2864
adamc@311 2865 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2866 r = ctx->heap.front;
adamc@285 2867 sprintf(r, "%g%n", n, &len);
adamc@666 2868 ctx->heap.front += len+1;
adamc@285 2869 return r;
adamc@285 2870 }
adamc@285 2871
adamc@821 2872 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2873 char *r = uw_malloc(ctx, 2);
adamc@821 2874 r[0] = ch;
adamc@821 2875 r[1] = 0;
adamc@821 2876 return r;
adamc@821 2877 }
adamc@821 2878
adamc@311 2879 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2880 if (b == uw_Basis_False)
adamc@285 2881 return "False";
adamc@285 2882 else
adamc@285 2883 return "True";
adamc@285 2884 }
adamc@288 2885
adam@1359 2886 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2887 size_t len;
adam@1352 2888 char *r;
adam@1392 2889 struct tm stm = {};
adam@1392 2890 stm.tm_isdst = -1;
adam@1352 2891
adam@1365 2892 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2893 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2894 r = ctx->heap.front;
adam@1352 2895 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2896 ctx->heap.front += len+1;
adam@1352 2897 return r;
adam@1352 2898 } else
adam@1352 2899 return "<Invalid time>";
adam@1352 2900 }
adam@1352 2901
adam@1629 2902 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2903 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2904 }
adam@1629 2905
adamc@311 2906 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2907 char *endptr;
adamc@311 2908 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2909
adamc@288 2910 if (*s != '\0' && *endptr == '\0') {
adamc@311 2911 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2912 *r = n;
adamc@288 2913 return r;
adamc@288 2914 } else
adamc@288 2915 return NULL;
adamc@288 2916 }
adamc@289 2917
adamc@311 2918 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2919 char *endptr;
adamc@311 2920 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2921
adamc@289 2922 if (*s != '\0' && *endptr == '\0') {
adamc@311 2923 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2924 *r = n;
adamc@289 2925 return r;
adamc@289 2926 } else
adamc@289 2927 return NULL;
adamc@289 2928 }
adamc@289 2929
adamc@821 2930 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2931 if (s[0] == 0) {
adamc@821 2932 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2933 r[0] = 0;
adamc@821 2934 return r;
adamc@821 2935 } else if (s[1] != 0)
adamc@821 2936 return NULL;
adamc@821 2937 else {
adamc@821 2938 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2939 r[0] = s[0];
adamc@821 2940 return r;
adamc@821 2941 }
adamc@821 2942 }
adamc@821 2943
adamc@311 2944 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2945 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2946 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2947
adamc@289 2948 if (!strcasecmp (s, "True"))
adamc@289 2949 return &true;
adamc@289 2950 else if (!strcasecmp (s, "False"))
adamc@289 2951 return &false;
adamc@289 2952 else
adamc@289 2953 return NULL;
adamc@289 2954 }
adamc@292 2955
adamc@436 2956 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2957 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2958 struct tm stm = {};
adam@1392 2959 stm.tm_isdst = -1;
adamc@436 2960
adamc@439 2961 if (dot) {
adamc@439 2962 *dot = 0;
adamc@439 2963 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2964 *dot = '.';
adamc@439 2965 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2966 r->seconds = mktime(&stm);
adam@1365 2967 r->microseconds = 0;
adamc@439 2968 return r;
adamc@439 2969 }
adamc@439 2970 else {
adamc@439 2971 *dot = '.';
adamc@439 2972 return NULL;
adamc@439 2973 }
adamc@436 2974 }
adamc@439 2975 else {
adam@2072 2976 if (strptime(s, ctx->app->time_format, &stm) == end) {
adamc@439 2977 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2978 r->seconds = mktime(&stm);
adam@1365 2979 r->microseconds = 0;
adamc@439 2980 return r;
adam@2072 2981 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@2072 2982 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@2072 2983 r->seconds = mktime(&stm);
adam@2072 2984 r->microseconds = 0;
adam@2072 2985 return r;
adam@2072 2986 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2987 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2988 r->seconds = mktime(&stm);
adam@1365 2989 r->microseconds = 0;
adamc@439 2990 return r;
adam@1632 2991 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2992 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2993 r->seconds = mktime(&stm);
adam@1632 2994 r->microseconds = 0;
adam@1632 2995 return r;
adamc@439 2996 }
adamc@439 2997 else
adamc@439 2998 return NULL;
adamc@439 2999 }
adamc@436 3000 }
adamc@436 3001
adam@1352 3002 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3003 char *end = strchr(s, 0);
adam@1374 3004 struct tm stm = {};
adam@1392 3005 stm.tm_isdst = -1;
adam@1352 3006
adam@1352 3007 if (strptime(s, fmt, &stm) == end) {
adam@1352 3008 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 3009 r->seconds = mktime(&stm);
adam@1365 3010 r->microseconds = 0;
adam@1352 3011 return r;
adam@1352 3012 }
adam@1352 3013 else
adam@1352 3014 return NULL;
adam@1352 3015 }
adam@1352 3016
adamc@311 3017 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 3018 char *endptr;
adamc@311 3019 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 3020
adamc@292 3021 if (*s != '\0' && *endptr == '\0')
adamc@292 3022 return n;
adamc@292 3023 else
adam@1444 3024 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 3025 }
adamc@293 3026
adamc@682 3027 #include <errno.h>
adamc@682 3028
adamc@678 3029 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 3030 unsigned long long n;
adamc@682 3031
adamc@682 3032 if (sscanf(s, "%llu", &n) < 1)
adam@1444 3033 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 3034 else {
adamc@682 3035 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 3036 return ch;
adamc@682 3037 }
adamc@682 3038 }
adamc@682 3039
adamc@682 3040 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 3041 char *endptr;
adamc@682 3042 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 3043
adamc@678 3044 if (*s != '\0' && *endptr == '\0')
adamc@678 3045 return n;
adamc@678 3046 else
adam@1444 3047 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 3048 }
adamc@678 3049
adamc@311 3050 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 3051 char *endptr;
adamc@311 3052 uw_Basis_float n = strtod(s, &endptr);
adamc@293 3053
adamc@293 3054 if (*s != '\0' && *endptr == '\0')
adamc@293 3055 return n;
adamc@293 3056 else
adam@1444 3057 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3058 }
adamc@293 3059
adamc@821 3060 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 3061 if (s[0] == 0)
adamc@821 3062 return 0;
adamc@821 3063 else if (s[1] != 0)
adam@1444 3064 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 3065 else
adamc@821 3066 return s[0];
adamc@821 3067 }
adamc@821 3068
adamc@311 3069 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 3070 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 3071 return uw_Basis_True;
adamc@296 3072 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 3073 return uw_Basis_False;
adamc@293 3074 else
adam@1444 3075 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3076 }
adamc@436 3077
adam@1352 3078 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 3079 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 3080 struct tm stm = {};
adam@1392 3081 stm.tm_isdst = -1;
adam@1352 3082
adam@1352 3083 if (dot) {
adam@1352 3084 *dot = 0;
adam@1352 3085 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3086 *dot = '.';
adam@1410 3087 char usec[] = "000000";
adam@1410 3088 int len = strlen(dot+1);
adam@1410 3089 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3090 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3091 return r;
adam@1352 3092 }
adam@1352 3093 else {
adam@1352 3094 *dot = '.';
adam@1444 3095 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3096 }
adam@1352 3097 }
adam@1352 3098 else {
adam@1352 3099 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3100 uw_Basis_time r = { mktime(&stm) };
adam@1365 3101 return r;
adam@1352 3102 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3103 uw_Basis_time r = { mktime(&stm) };
adam@1365 3104 return r;
adam@1352 3105 } else
adam@1444 3106 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3107 }
adam@1352 3108 }
adam@1352 3109
adamc@436 3110 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3111 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3112 struct tm stm = {};
adam@1392 3113 stm.tm_isdst = -1;
adamc@436 3114
adamc@438 3115 if (dot) {
adamc@438 3116 *dot = 0;
adamc@438 3117 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3118 *dot = '.';
adam@1365 3119 {
adam@1365 3120 uw_Basis_time r = { mktime(&stm) };
adam@1365 3121 return r;
adam@1365 3122 }
adamc@438 3123 }
adamc@438 3124 else {
adamc@438 3125 *dot = '.';
adam@1444 3126 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3127 }
adamc@438 3128 }
adamc@438 3129 else {
adam@2072 3130 if (strptime(s, ctx->app->time_format, &stm) == end) {
adam@2072 3131 uw_Basis_time r = { mktime(&stm) };
adam@2072 3132 return r;
adam@2072 3133 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3134 uw_Basis_time r = { mktime(&stm) };
adam@1365 3135 return r;
adam@1365 3136 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3137 uw_Basis_time r = { mktime(&stm) };
adam@1365 3138 return r;
adam@1632 3139 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3140 uw_Basis_time r = { mktime(&stm) };
adam@1632 3141 return r;
adam@1365 3142 } else
adam@1444 3143 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3144 }
adamc@436 3145 }
adamc@457 3146
adam@1352 3147 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3148 char *end = strchr(s, 0);
adamc@939 3149 struct tm stm = {};
adam@1392 3150 stm.tm_isdst = -1;
adamc@939 3151
adam@1365 3152 if (strptime(s, fmt, &stm) == end) {
adam@1365 3153 uw_Basis_time r = { mktime(&stm) };
adam@1365 3154 return r;
adam@1365 3155 } else
adam@1444 3156 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3157 }
adamc@939 3158
adamc@742 3159 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3160 char *r = ctx->heap.front;
adamc@742 3161 uw_Basis_blob b = {len, r};
adamc@742 3162
adamc@742 3163 uw_check_heap(ctx, len);
adamc@742 3164
adam@1992 3165 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3166 s += 2;
adam@1992 3167
adam@1992 3168 while (*s) {
adam@1992 3169 int n;
adam@1992 3170 sscanf(s, "%02x", &n);
adam@1992 3171 *r++ = n;
adam@1992 3172 s += 2;
adam@1992 3173 }
adam@1992 3174 } else {
adam@1992 3175 while (*s) {
adam@1992 3176 if (s[0] == '\\') {
adam@1992 3177 if (s[1] == '\\') {
adam@1992 3178 *r++ = '\\';
adam@1992 3179 s += 2;
adam@1992 3180 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3181 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3182 s += 4;
adam@1992 3183 }
adam@1992 3184 else {
adam@1992 3185 *r++ = '\\';
adam@1992 3186 ++s;
adam@1992 3187 }
adam@1992 3188 } else {
adam@1992 3189 *r++ = s[0];
adamc@742 3190 ++s;
adamc@742 3191 }
adamc@742 3192 }
adamc@742 3193 }
adamc@742 3194
adamc@742 3195 b.size = r - ctx->heap.front;
adamc@742 3196 ctx->heap.front = r;
adam@1992 3197
adamc@742 3198 return b;
adamc@742 3199 }
adamc@742 3200
adam@1402 3201 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3202
adamc@463 3203 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3204 int len = strlen(c);
adamc@854 3205 char *p = ctx->outHeaders.start;
adamc@474 3206
adamc@1134 3207 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3208 char *p2;
adamc@474 3209 p += 13;
adamc@474 3210 p2 = strchr(p, '=');
adamc@474 3211
adamc@474 3212 if (p2) {
adamc@474 3213 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3214
adamc@474 3215 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3216 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3217 return NULL;
adamc@1052 3218 else {
adamc@1052 3219 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3220 memcpy(ret, p2+1, sz);
adamc@1052 3221 ret[sz] = 0;
adamc@1052 3222 return ret;
adamc@1052 3223 }
adamc@474 3224 }
adamc@474 3225 }
adamc@474 3226 }
adamc@463 3227
adamc@1134 3228 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3229 char *p2;
adamc@1051 3230
adamc@854 3231 while (1) {
adamc@1051 3232 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3233 if ((p2 = strchr(p, ';'))) {
adamc@1051 3234 size_t n = p2 - (p + len);
adamc@1051 3235 char *r = uw_malloc(ctx, n);
adamc@1051 3236 memcpy(r, p + 1 + len, n-1);
adamc@1051 3237 r[n-1] = 0;
adamc@1051 3238 return r;
adamc@1051 3239 } else
adamc@1051 3240 return p + 1 + len;
adamc@1134 3241 } else if ((p = strchr(p, ';')))
adamc@854 3242 p += 2;
adamc@463 3243 else
adamc@463 3244 return NULL;
adamc@463 3245 }
adamc@463 3246 }
adamc@792 3247
adamc@792 3248 return NULL;
adamc@457 3249 }
adamc@462 3250
adam@1877 3251 static void set_cookie(uw_context ctx) {
adam@1877 3252 if (ctx->usedSig)
adam@1877 3253 ctx->needsResig = 1;
adam@1877 3254 }
adam@1877 3255
adamc@1050 3256 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v, uw_Basis_time *expires, uw_Basis_bool secure) {
adamc@462 3257 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3258 uw_write_header(ctx, c);
adamc@462 3259 uw_write_header(ctx, "=");
adamc@462 3260 uw_write_header(ctx, v);
adamc@466 3261 uw_write_header(ctx, "; path=");
adamc@466 3262 uw_write_header(ctx, prefix);
adamc@1050 3263 if (expires) {
adamc@1050 3264 char formatted[30];
adam@1392 3265 struct tm tm = {};
adam@1392 3266 tm.tm_isdst = -1;
adamc@1050 3267
adam@1365 3268 gmtime_r(&expires->seconds, &tm);
adamc@1050 3269
adamc@1050 3270 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3271
adamc@1050 3272 uw_write_header(ctx, "; expires=");
adamc@1050 3273 uw_write_header(ctx, formatted);
adamc@1050 3274 }
adamc@1050 3275 if (secure)
adamc@1050 3276 uw_write_header(ctx, "; secure");
adamc@462 3277 uw_write_header(ctx, "\r\n");
adam@1877 3278 set_cookie(ctx);
adamc@462 3279
adamc@462 3280 return uw_unit_v;
adamc@462 3281 }
adamc@667 3282
adamc@1050 3283 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3284 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3285 uw_write_header(ctx, c);
adamc@1050 3286 uw_write_header(ctx, "=; path=");
adamc@1050 3287 uw_write_header(ctx, prefix);
adamc@1052 3288 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3289 set_cookie(ctx);
adamc@1050 3290
adamc@1050 3291 return uw_unit_v;
adamc@1050 3292 }
adamc@1050 3293
adamc@1113 3294 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3295
adamc@682 3296 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3297 unsigned i;
adamc@682 3298 delta *d;
adamc@671 3299
adamc@682 3300 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3301 if (ctx->deltas[i].client == client)
adamc@682 3302 return &ctx->deltas[i];
adamc@671 3303
adamc@682 3304 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3305 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3306 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3307
adamc@682 3308 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3309 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3310 }
adamc@671 3311
adamc@682 3312 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3313 d->client = client;
adam@1369 3314 uw_buffer_reset(&d->msgs);
adamc@682 3315 return d;
adamc@671 3316 }
adamc@671 3317
adamc@668 3318 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3319 if (ctx->client == NULL)
adamc@682 3320 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3321
adamc@682 3322 return new_channel(ctx->client);
adamc@668 3323 }
adamc@668 3324
adamc@668 3325 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3326 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3327 size_t len;
adamc@682 3328 int preLen;
adamc@682 3329 char pre[INTS_MAX + 2];
adamc@668 3330
adamc@682 3331 len = strlen(msg);
adamc@682 3332
adamc@682 3333 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3334
adam@1369 3335 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3336 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3337 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3338
adamc@671 3339 return uw_unit_v;
adamc@668 3340 }
adamc@671 3341
adam@1327 3342 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3343 int i;
adamc@1131 3344 cleanup *cl;
adamc@1131 3345
adamc@1131 3346 if (ctx->client)
adamc@1131 3347 release_client(ctx->client);
adamc@1131 3348
adamc@1131 3349 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3350 cl->func(cl->arg);
adamc@1131 3351
adamc@1131 3352 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3353
adamc@1131 3354 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3355 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3356 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3357
adamc@1131 3358 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3359 if (ctx->transactionals[i].free)
adam@1327 3360 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3361
adam@1941 3362 if (ctx->app && ctx->transaction_started) {
adam@1941 3363 ctx->transaction_started = 0;
adam@1941 3364 return ctx->app->db_rollback(ctx);
adam@1941 3365 } else
adam@1941 3366 return 0;
adamc@1131 3367 }
adamc@1131 3368
adam@1956 3369 const char uw_begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1956 3370 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3371
adam@1877 3372 extern int uw_hash_blocksize;
adam@1877 3373
adam@1877 3374 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3375
adam@1877 3376 static char *find_sig(char *haystack) {
adam@1877 3377 int i;
adam@1877 3378 char *s = strstr(haystack, sig_intro);
adam@1877 3379
adam@1877 3380 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3381 return NULL;
phurst@1981 3382
adam@1877 3383 s += sizeof sig_intro - 1;
adam@1877 3384
adam@1877 3385 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3386 if (!isxdigit((int)s[i]))
adam@1877 3387 return NULL;
adam@1877 3388
adam@1877 3389 if (s[i] != '"')
adam@1877 3390 return NULL;
adam@1877 3391
adam@1877 3392 return s;
adam@1877 3393 }
adam@1877 3394
adam@2033 3395 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3396
adam@1938 3397 int uw_commit(uw_context ctx) {
adamc@1104 3398 int i;
adam@1877 3399 char *sig;
adamc@1104 3400
adamc@1131 3401 if (uw_has_error(ctx)) {
adam@1327 3402 uw_rollback(ctx, 0);
adam@1938 3403 return 0;
adamc@1131 3404 }
adamc@1131 3405
adamc@1104 3406 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3407 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3408 if (ctx->transactionals[i].commit) {
adamc@1083 3409 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3410 if (uw_has_error(ctx)) {
adam@1327 3411 uw_rollback(ctx, 0);
adam@1938 3412 return 0;
adamc@1131 3413 }
adamc@1131 3414 }
adamc@771 3415
adam@2033 3416 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3417 if (ctx->used_deltas > 0)
adam@2033 3418 pthread_mutex_lock(&message_send_mutex);
adam@2033 3419
adam@2000 3420 if (ctx->transaction_started) {
adam@2000 3421 int code = ctx->app->db_commit(ctx);
adam@2000 3422
adam@2000 3423 if (code) {
adam@2033 3424 if (ctx->used_deltas > 0)
adam@2033 3425 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3426
adam@2000 3427 if (ctx->client)
adam@2000 3428 release_client(ctx->client);
adam@2000 3429
adam@2000 3430 if (code == -1) {
adam@2000 3431 // This case is for a serialization failure, which is not really an "error."
adam@2000 3432 // The transaction will restart, so we should rollback any transactionals
adam@2000 3433 // that triggered above.
adam@2000 3434
adam@2000 3435 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3436 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3437 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3438
adam@2000 3439 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3440 if (ctx->transactionals[i].free)
adam@2000 3441 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3442
grrwlf@2030 3443 return 1;
adam@2000 3444 }
adam@2000 3445
adam@2000 3446 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3447 if (ctx->transactionals[i].free)
adam@2000 3448 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3449
adam@2000 3450 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3451 return 0;
adam@2000 3452 }
adam@2000 3453 }
adam@2000 3454
adamc@1104 3455 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3456 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3457 if (ctx->transactionals[i].commit) {
adamc@1083 3458 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3459 if (uw_has_error(ctx)) {
adam@2033 3460 if (ctx->used_deltas > 0)
adam@2033 3461 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3462
adam@2033 3463 if (ctx->client)
adam@2033 3464 release_client(ctx->client);
adam@2033 3465
adam@2033 3466 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3467 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3468 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3469
adam@2033 3470 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3471 if (ctx->transactionals[i].free)
adam@2033 3472 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3473
adam@1938 3474 return 0;
adamc@1131 3475 }
adamc@1131 3476 }
adamc@1131 3477
adamc@682 3478 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3479 delta *d = &ctx->deltas[i];
adamc@682 3480 client *c = find_client(d->client);
adamc@682 3481
adam@1551 3482 assert (c != NULL);
adam@1551 3483 assert(c->mode == USED);
adamc@682 3484
adam@1447 3485 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3486 }
adamc@682 3487
adam@2033 3488 if (ctx->used_deltas > 0)
adam@2033 3489 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3490
adamc@682 3491 if (ctx->client)
adamc@685 3492 release_client(ctx->client);
adamc@771 3493
adamc@1104 3494 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3495 if (ctx->transactionals[i].free)
adam@1327 3496 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3497
vshabanoff@1726 3498 uw_check(ctx, 1);
vshabanoff@1726 3499 *ctx->page.front = 0;
adam@1413 3500
adam@1956 3501 if (!ctx->returning_indirectly
adam@1956 3502 && (ctx->app->is_html5
adam@1956 3503 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3504 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3505 char *s;
adam@1728 3506
adam@1728 3507 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3508 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3509 s = strchr(s, '<');
adam@1728 3510 if (s == NULL) {
adam@1728 3511 // Weird. Document has no tags!
adam@1728 3512
adam@1728 3513 uw_write(ctx, "<head></head><body></body>");
adam@1728 3514 uw_check(ctx, 1);
adam@1728 3515 *ctx->page.front = 0;
adam@1728 3516 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3517 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3518
adam@1729 3519 // Any freeform JavaScript to include?
adam@1729 3520 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3521 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3522 size_t lenP = lenH + 40 + len;
adam@1729 3523 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3524
adam@1729 3525 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3526 start += ctx->page.start - oldPage;
adam@1729 3527 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3528 ctx->page.front += lenP;
adam@1729 3529 memcpy(start, ctx->script_header, lenH);
adam@1729 3530 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3531 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3532 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3533 } else {
adam@1729 3534 size_t lenH = strlen(ctx->script_header);
adam@1729 3535 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3536
adam@1729 3537 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3538 start += ctx->page.start - oldPage;
adam@1729 3539 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3540 ctx->page.front += lenH;
adam@1729 3541 memcpy(start, ctx->script_header, lenH);
adam@1729 3542 }
adam@1728 3543 } else {
adam@1728 3544 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3545
adam@1729 3546 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3547 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3548 size_t lenP = lenH + 53 + len;
adam@1729 3549 char *start = s, *oldPage = ctx->page.start;
adam@1729 3550
adam@1729 3551 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3552 start += ctx->page.start - oldPage;
adam@1729 3553 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3554 ctx->page.front += lenP;
adam@1729 3555 memcpy(start, "<head>", 6);
adam@1729 3556 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3557 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3558 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3559 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3560 } else {
adam@1729 3561 size_t lenH = strlen(ctx->script_header);
adam@1729 3562 size_t lenP = lenH + 13;
adam@1729 3563 char *start = s, *oldPage = ctx->page.start;
adam@1729 3564
adam@1729 3565 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3566 start += ctx->page.start - oldPage;
adam@1729 3567 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3568 ctx->page.front += lenP;
adam@1729 3569 memcpy(start, "<head>", 6);
adam@1729 3570 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3571 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3572 }
adamc@916 3573 }
adamc@916 3574 }
adam@1877 3575
adam@1877 3576 if (ctx->needsResig) {
adam@1877 3577 sig = find_sig(ctx->page.start);
adam@1877 3578 if (sig) {
adam@1877 3579 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3580
adam@1877 3581 do {
adam@1877 3582 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3583 sig = find_sig(sig);
adam@1877 3584 } while (sig);
adam@1877 3585 }
adam@1877 3586 }
adam@1938 3587
adam@1938 3588 return 0;
adamc@671 3589 }
adamc@671 3590
adamc@683 3591
adamc@1113 3592 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3593
adam@2001 3594 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3595 uw_callback_with_retry free) {
adamc@771 3596 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3597 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3598 // Exceeded limit on number of transactionals.
adam@2001 3599 return -1;
adamc@1084 3600 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3601 ++ctx->n_transactionals;
adamc@771 3602 }
adamc@771 3603
adamc@771 3604 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3605 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3606 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3607 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3608
adam@2001 3609 return 0;
adamc@771 3610 }
adamc@771 3611
adamc@683 3612
adamc@683 3613 // "Garbage collection"
adamc@683 3614
adamc@1121 3615 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3616 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3617
adamc@1121 3618 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3619 int r = setjmp(ctx->jmp_buf);
adamc@683 3620
adamc@1121 3621 if (r == 0)
adamc@1121 3622 uw_do_expunge(ctx, cli, data);
adamc@1121 3623 else
adamc@1121 3624 ctx->app->db_rollback(ctx);
adamc@1121 3625
adamc@1121 3626 uw_post_expunge(ctx, data);
adamc@683 3627
adamc@683 3628 return r;
adamc@683 3629 }
adamc@683 3630
adamc@683 3631 void uw_prune_clients(uw_context ctx) {
adamc@683 3632 client *c, *next, *prev = NULL;
adamc@683 3633 time_t cutoff;
adamc@683 3634
adamc@1094 3635 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3636
adamc@683 3637 pthread_mutex_lock(&clients_mutex);
adam@1707 3638 pruning_thread = pthread_self();
adam@1707 3639 pruning_thread_initialized = 1;
adamc@683 3640
adamc@683 3641 for (c = clients_used; c; c = next) {
adamc@683 3642 next = c->next;
adamc@683 3643 pthread_mutex_lock(&c->lock);
adamc@685 3644 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3645 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3646 if (prev)
adamc@683 3647 prev->next = next;
adamc@683 3648 else
adamc@683 3649 clients_used = next;
adamc@683 3650 while (fk == UNLIMITED_RETRY) {
adam@1941 3651 uw_reset(ctx);
adamc@1121 3652 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3653 if (fk == UNLIMITED_RETRY)
adamc@684 3654 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3655 }
adamc@684 3656 if (fk == SUCCESS)
adamc@684 3657 free_client(c);
adamc@1121 3658 else
adamc@856 3659 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3660 }
adamc@683 3661 else
adamc@683 3662 prev = c;
adamc@683 3663 pthread_mutex_unlock(&c->lock);
adamc@683 3664 }
adamc@683 3665
adamc@683 3666 pthread_mutex_unlock(&clients_mutex);
adamc@683 3667 }
adamc@687 3668
adamc@687 3669 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3670 int r = setjmp(ctx->jmp_buf);
adamc@687 3671
adamc@687 3672 if (r == 0) {
adam@1936 3673 uw_ensure_transaction(ctx);
adamc@1094 3674 ctx->app->initializer(ctx);
adamc@1094 3675 if (ctx->app->db_commit(ctx))
adamc@687 3676 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3677 }
adamc@687 3678
adamc@687 3679 return r;
adamc@687 3680 }
adamc@717 3681
adamc@1065 3682 static int url_bad(uw_Basis_string s) {
adamc@1065 3683 for (; *s; ++s)
adamc@1153 3684 if (!isgraph((int)*s))
adamc@1065 3685 return 1;
adamc@1065 3686
adamc@1065 3687 return 0;
adamc@1065 3688 }
adamc@1065 3689
adamc@717 3690 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3691 if (url_bad(s))
adamc@1065 3692 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3693 if (ctx->app->check_url(s))
adamc@770 3694 return s;
adamc@770 3695 else
adamc@770 3696 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3697 }
adamc@734 3698
adamc@770 3699 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3700 if (url_bad(s))
adamc@1065 3701 return NULL;
adamc@1094 3702 if (ctx->app->check_url(s))
adamc@770 3703 return s;
adamc@770 3704 else
adamc@770 3705 return NULL;
adamc@770 3706 }
adamc@770 3707
adam@1465 3708 static int mime_format(const char *s) {
adamc@770 3709 for (; *s; ++s)
grrwlf@2024 3710 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3711 return 0;
adamc@770 3712
adamc@770 3713 return 1;
adamc@770 3714 }
adamc@770 3715
adamc@741 3716 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3717 if (!mime_format(s))
adamc@770 3718 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3719
adamc@1094 3720 if (ctx->app->check_mime(s))
adamc@770 3721 return s;
adamc@770 3722 else
adamc@770 3723 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3724 }
adamc@770 3725
adamc@770 3726 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3727 if (!mime_format(s))
adamc@770 3728 return NULL;
adamc@770 3729
adamc@1094 3730 if (ctx->app->check_mime(s))
adamc@770 3731 return s;
adamc@770 3732 else
adamc@770 3733 return NULL;
adamc@741 3734 }
adamc@741 3735
adam@1465 3736 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3737 if (!mime_format(s))
adam@1465 3738 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3739
adam@1465 3740 if (ctx->app->check_requestHeader(s))
adam@1465 3741 return s;
adam@1465 3742 else
adam@1465 3743 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3744 }
adam@1465 3745
adam@1465 3746 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3747 if (!mime_format(s))
adam@1465 3748 return NULL;
adam@1465 3749
adam@1465 3750 if (ctx->app->check_requestHeader(s))
adam@1465 3751 return s;
adam@1465 3752 else
adam@1465 3753 return NULL;
adam@1465 3754 }
adam@1465 3755
adam@1465 3756 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3757 if (!mime_format(s))
adam@1465 3758 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3759
adam@1465 3760 if (ctx->app->check_responseHeader(s))
adam@1465 3761 return s;
adam@1465 3762 else
adam@1465 3763 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3764 }
adam@1465 3765
adam@1799 3766 static int envVar_format(const char *s) {
adam@1799 3767 for (; *s; ++s)
adam@1799 3768 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3769 return 0;
adam@1799 3770
adam@1799 3771 return 1;
adam@1799 3772 }
adam@1799 3773
adam@1465 3774 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3775 if (!envVar_format(s))
adam@1465 3776 return NULL;
adam@1465 3777
adam@1465 3778 if (ctx->app->check_responseHeader(s))
adam@1465 3779 return s;
adam@1465 3780 else
adam@1465 3781 return NULL;
adam@1465 3782 }
adam@1465 3783
adam@1799 3784 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3785 if (!envVar_format(s))
adam@1799 3786 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3787
adam@1799 3788 if (ctx->app->check_envVar(s))
adam@1799 3789 return s;
adam@1799 3790 else
adam@1799 3791 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3792 }
adam@1799 3793
adam@1799 3794 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3795 if (!mime_format(s))
adam@1799 3796 return NULL;
adam@1799 3797
adam@1799 3798 if (ctx->app->check_envVar(s))
adam@1799 3799 return s;
adam@1799 3800 else
adam@1799 3801 return NULL;
adam@1799 3802 }
adam@1799 3803
adam@1465 3804 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3805 return uw_Basis_requestHeader(ctx, name);
adam@1465 3806 }
adam@1465 3807
adam@1465 3808 static int mime_value_format(const char *s) {
adam@1465 3809 for (; *s; ++s)
adam@1465 3810 if (*s == '\r' || *s == '\n')
adam@1465 3811 return 0;
adam@1465 3812
adam@1465 3813 return 1;
adam@1465 3814 }
adam@1465 3815
adam@1465 3816 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3817 if (!mime_value_format(value))
adam@1465 3818 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3819
adam@1465 3820 uw_write_header(ctx, name);
adam@1465 3821 uw_write_header(ctx, ": ");
adam@1465 3822 uw_write_header(ctx, value);
adam@1465 3823 uw_write_header(ctx, "\r\n");
adam@1465 3824
adam@1465 3825 return uw_unit_v;
adam@1465 3826 }
adam@1465 3827
adam@1799 3828 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3829 if (ctx->get_env)
adam@1993 3830 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3831 else
adam@1994 3832 return getenv(name);
adam@1799 3833 }
adam@1799 3834
adamc@734 3835 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3836 return s ? s : "";
adamc@734 3837 }
adamc@734 3838
adamc@734 3839 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3840 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3841 int i;
phurst@1981 3842
adamc@734 3843 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3844 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3845
adamc@734 3846 return r;
adamc@734 3847 }
adamc@734 3848
adam@1512 3849 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3850 * optimizations that would enable timing attacks. See:
adam@1512 3851 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3852 */
adam@1512 3853 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3854 int i, x = 0, len1 = strlen(s1);
adam@1512 3855
adam@1512 3856 if (len1 != strlen(s2)) return 0;
adam@1512 3857
adam@1512 3858 for (i = 0; i < len1; ++i) {
adam@1512 3859 __asm__ __volatile__ ("");
adam@1512 3860 x |= s1[i] ^ s2[i];
adam@1512 3861 }
adam@1512 3862
adam@1512 3863 return x == 0;
adam@1512 3864 }
adam@1512 3865
adamc@734 3866 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3867 ctx->usedSig = 1;
adamc@1094 3868 return ctx->app->cookie_sig(ctx);
adamc@734 3869 }
adamc@737 3870
adamc@737 3871 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3872 return f.name;
adamc@737 3873 }
adamc@737 3874
adamc@740 3875 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3876 return f.type;
adamc@740 3877 }
adamc@740 3878
adamc@745 3879 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3880 return b.size;
adamc@745 3881 }
adamc@745 3882
adamc@1119 3883 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3884 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3885
adamc@1119 3886 return b;
adamc@1119 3887 }
adamc@1119 3888
adamc@737 3889 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3890 return f.data;
adamc@737 3891 }
adamc@741 3892
adam@1347 3893 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3894 return pb.type;
adam@1347 3895 }
adam@1347 3896
adam@1347 3897 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3898 return pb.data;
adam@1347 3899 }
adam@1347 3900
adam@1471 3901 static char *old_headers(uw_context ctx) {
adam@1471 3902 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3903 return NULL;
adam@1471 3904 else {
adam@1471 3905 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3906
adam@1471 3907 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3908 return NULL;
adam@1471 3909 else {
adam@1471 3910 s = strchr(s+15, '\n');
adam@1471 3911 if (s == NULL)
adam@1471 3912 return NULL;
adam@1471 3913 else
adam@1471 3914 return uw_strdup(ctx, s+1);
adam@1471 3915 }
adam@1471 3916 }
adam@1471 3917 }
adam@1471 3918
adamc@741 3919 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3920 cleanup *cl;
adamc@741 3921 int len;
adam@1471 3922 char *oldh;
adamc@741 3923
adam@1451 3924 if (!ctx->allowed_to_return_indirectly)
adam@1451 3925 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3926
adamc@1065 3927 ctx->returning_indirectly = 1;
adam@1471 3928 oldh = old_headers(ctx);
adam@1369 3929 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3930 uw_buffer_reset(&ctx->page);
adamc@741 3931
adamc@856 3932 uw_write_header(ctx, on_success);
adamc@856 3933 uw_write_header(ctx, "Content-Type: ");
adamc@741 3934 uw_write_header(ctx, mimeType);
adam@1934 3935 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3936 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3937 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3938 ctx->outHeaders.front += len;
adamc@1066 3939 uw_write_header(ctx, "\r\n");
adam@1471 3940 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3941
adam@1369 3942 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3943
adamc@741 3944 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3945 cl->func(cl->arg);
adamc@741 3946
adamc@741 3947 ctx->cleanup_front = ctx->cleanup;
adamc@741 3948
adamc@1065 3949 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3950 }
adamc@1065 3951
adam@2046 3952 void uw_replace_page(uw_context ctx, const char *data, size_t size) {
adam@2046 3953 uw_buffer_reset(&ctx->page);
adam@2046 3954 ctx_uw_buffer_append(ctx, "page", &ctx->page, data, size);
adam@2046 3955 }
adam@2046 3956
adam@1932 3957 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3958 cleanup *cl;
adam@1932 3959 int len;
adam@1932 3960 char *oldh;
adam@1932 3961
adam@1932 3962 if (!ctx->allowed_to_return_indirectly)
adam@1932 3963 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3964
adam@1932 3965 ctx->returning_indirectly = 1;
adam@1932 3966 oldh = old_headers(ctx);
adam@1932 3967 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3968
adam@1932 3969 uw_write_header(ctx, on_success);
adam@1932 3970 uw_write_header(ctx, "Content-Type: ");
adam@1932 3971 uw_write_header(ctx, mimeType);
adam@1934 3972 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3973 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3974 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3975 ctx->outHeaders.front += len;
adam@1932 3976 uw_write_header(ctx, "\r\n");
adam@1932 3977 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3978
adam@1932 3979 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3980 cl->func(cl->arg);
adam@1932 3981
adam@1932 3982 ctx->cleanup_front = ctx->cleanup;
adam@1932 3983
adam@1932 3984 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3985 }
adam@1932 3986
adamc@1065 3987 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3988 cleanup *cl;
adamc@1066 3989 char *s;
adam@1471 3990 char *oldh;
adamc@1065 3991
adam@1451 3992 if (!ctx->allowed_to_return_indirectly)
adam@1451 3993 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3994
adamc@1065 3995 ctx->returning_indirectly = 1;
adam@1471 3996 oldh = old_headers(ctx);
adam@1369 3997 uw_buffer_reset(&ctx->page);
adam@1369 3998 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3999 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 4000 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 4001 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 4002
adam@1409 4003 if (on_success[0])
adam@1409 4004 uw_write_header(ctx, on_redirect);
adam@1409 4005 else
adam@1409 4006 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 4007 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 4008 if (s) {
adamc@1066 4009 char *s2;
adam@1409 4010 if (s[0] == '\n') ++s;
adam@1409 4011 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 4012 *s2 = 0;
adamc@1066 4013 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 4014 uw_write_header(ctx, s);
adamc@1066 4015 uw_write_header(ctx, "\n");
adamc@1066 4016 }
adamc@1066 4017 }
adamc@1066 4018 }
adamc@1066 4019
adamc@1065 4020 uw_write_header(ctx, "Location: ");
adamc@1065 4021 uw_write_header(ctx, url);
adamc@1065 4022 uw_write_header(ctx, "\r\n\r\n");
adam@1471 4023 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 4024
adamc@1065 4025 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 4026 cl->func(cl->arg);
adamc@1065 4027
adamc@1065 4028 ctx->cleanup_front = ctx->cleanup;
adamc@1065 4029
adamc@1065 4030 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 4031 }
adamc@874 4032
adamc@874 4033 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 4034 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 4035
adamc@874 4036 for (; *s; ++s) {
adamc@874 4037 if (s[0] == '\'') {
adamc@874 4038 *r++ = '\'';
adamc@874 4039 for (++s; *s; ++s) {
adamc@874 4040 if (s[0] == '\'') {
adamc@874 4041 *r++ = '\'';
adamc@874 4042 break;
adamc@874 4043 } else if (s[0] == '\\') {
adam@1467 4044 *r++ = '\\';
adam@1467 4045 *r++ = s[1];
adam@1467 4046 ++s;
adamc@874 4047 } else
adamc@874 4048 *r++ = s[0];
adamc@874 4049 }
adamc@874 4050 if (*s == 0) break;
adam@1467 4051 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 4052 s += 3;
adamc@874 4053 else
adamc@874 4054 *r++ = s[0];
adamc@874 4055 }
adamc@874 4056
adam@1467 4057 *r = 0;
adam@1467 4058 return ret;
adamc@874 4059 }
adamc@874 4060
adamc@922 4061 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 4062 va_list ap;
adamc@922 4063 size_t len = 1;
adamc@922 4064 char *s, *r, *s2;
phurst@1981 4065
adamc@922 4066 va_start(ap, ctx);
adamc@922 4067 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4068 len += strlen(s);
adamc@922 4069 va_end(ap);
adamc@922 4070
adamc@922 4071 r = uw_malloc(ctx, len);
adamc@922 4072 va_start(ap, ctx);
adamc@922 4073 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4074 while (*s)
adamc@922 4075 *s2++ = *s++;
adamc@922 4076 va_end(ap);
adamc@922 4077 *s2 = 0;
adamc@922 4078
adamc@922 4079 return r;
adamc@922 4080 }
adamc@1006 4081
adam@1365 4082 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 4083
adamc@1006 4084 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 4085 uw_Basis_time r = { time(NULL) };
adam@1365 4086 return r;
adamc@1006 4087 }
adamc@1061 4088
adam@1369 4089 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 4090 tm.seconds += n;
adam@1365 4091 return tm;
adamc@1138 4092 }
adamc@1138 4093
adam@1514 4094 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 4095 return difftime(tm2.seconds, tm1.seconds);
adam@1514 4096 }
adam@1514 4097
adam@1685 4098 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 4099 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 4100 }
adam@1685 4101
adam@2187 4102 uw_Basis_time uw_Basis_fromMilliseconds(uw_context ctx, uw_Basis_int n) {
adam@2187 4103 uw_Basis_time tm = {n / 1000, n % 1000 * 1000};
adam@2187 4104 return tm;
adam@2187 4105 }
adam@2187 4106
adam@1685 4107 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 4108 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 4109 }
adam@1685 4110
adam@1514 4111 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 4112 return tm.seconds;
adam@1514 4113 }
adam@1514 4114
phurst@1971 4115 uw_Basis_time uw_Basis_fromDatetime(uw_context ctx, uw_Basis_int year, uw_Basis_int month, uw_Basis_int day, uw_Basis_int hour, uw_Basis_int minute, uw_Basis_int second) {
phurst@1971 4116 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015 4117 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015 4118 .tm_isdst = -1 };
phurst@1984 4119 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 4120 return r;
phurst@1971 4121 }
phurst@1971 4122
phurst@1971 4123 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 4124 struct tm tm;
phurst@1982 4125 localtime_r(&time.seconds, &tm);
phurst@1971 4126 return tm.tm_year + 1900;
phurst@1971 4127 }
phurst@1971 4128
phurst@1971 4129 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 4130 struct tm tm;
phurst@1982 4131 localtime_r(&time.seconds, &tm);
phurst@1971 4132 return tm.tm_mon;
phurst@1971 4133 }
phurst@1971 4134
phurst@1971 4135 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4136 struct tm tm;
phurst@1982 4137 localtime_r(&time.seconds, &tm);
phurst@1971 4138 return tm.tm_mday;
phurst@1971 4139 }
phurst@1971 4140
phurst@1971 4141 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4142 struct tm tm;
phurst@1982 4143 localtime_r(&time.seconds, &tm);
phurst@1971 4144 return tm.tm_hour;
phurst@1971 4145 }
phurst@1971 4146
phurst@1971 4147 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4148 struct tm tm;
phurst@1982 4149 localtime_r(&time.seconds, &tm);
phurst@1971 4150 return tm.tm_min;
phurst@1971 4151 }
phurst@1971 4152
phurst@1971 4153 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4154 struct tm tm;
phurst@1982 4155 localtime_r(&time.seconds, &tm);
phurst@1971 4156 return tm.tm_sec;
phurst@1971 4157 }
phurst@1971 4158
phurst@1973 4159 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4160 struct tm tm;
phurst@1982 4161 localtime_r(&time.seconds, &tm);
phurst@1973 4162 return tm.tm_wday;
phurst@1973 4163 }
phurst@1971 4164
phurst@1971 4165
adamc@1061 4166 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4167 int i;
adamc@1061 4168
adamc@1061 4169 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4170 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4171 return ctx->globals[i].data;
adamc@1061 4172
adamc@1061 4173 return NULL;
adamc@1061 4174 }
adamc@1061 4175
adamc@1113 4176 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4177
adamc@1061 4178 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4179 int i;
adamc@1061 4180
adamc@1061 4181 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4182 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4183 if (ctx->globals[i].free)
adamc@1061 4184 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4185 ctx->globals[i].data = data;
adamc@1061 4186 ctx->globals[i].free = free;
adamc@1061 4187 return;
adamc@1061 4188 }
adamc@1089 4189
adamc@1113 4190 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4191 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4192
adamc@1061 4193 ++ctx->n_globals;
adamc@1061 4194 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4195 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4196 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4197 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4198 }
adamc@1061 4199
adamc@1061 4200 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4201 return !!isalnum((int)c);
adamc@1061 4202 }
adamc@1061 4203
adamc@1061 4204 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4205 return !!isalpha((int)c);
adamc@1061 4206 }
adamc@1061 4207
adamc@1061 4208 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4209 return !!isblank((int)c);
adamc@1061 4210 }
adamc@1061 4211
adamc@1061 4212 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4213 return !!iscntrl((int)c);
adamc@1061 4214 }
adamc@1061 4215
adamc@1061 4216 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4217 return !!isdigit((int)c);
adamc@1061 4218 }
adamc@1061 4219
adamc@1061 4220 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4221 return !!isgraph((int)c);
adamc@1061 4222 }
adamc@1061 4223
adamc@1061 4224 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4225 return !!islower((int)c);
adamc@1061 4226 }
adamc@1061 4227
adamc@1061 4228 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4229 return !!isprint((int)c);
adamc@1061 4230 }
adamc@1061 4231
adamc@1061 4232 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4233 return !!ispunct((int)c);
adamc@1061 4234 }
adamc@1061 4235
adamc@1061 4236 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4237 return !!isspace((int)c);
adamc@1061 4238 }
adamc@1063 4239
adamc@1061 4240 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4241 return !!isupper((int)c);
adamc@1061 4242 }
adamc@1061 4243
adamc@1061 4244 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4245 return !!isxdigit((int)c);
adamc@1061 4246 }
adamc@1061 4247
adamc@1061 4248 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4249 return tolower((int)c);
adamc@1061 4250 }
adamc@1061 4251
adamc@1061 4252 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4253 return toupper((int)c);
adamc@1061 4254 }
adamc@1066 4255
adamc@1128 4256 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4257 return (unsigned char)c;
adamc@1128 4258 }
adamc@1128 4259
adamc@1128 4260 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4261 return n;
adamc@1128 4262 }
adamc@1128 4263
adamc@1066 4264 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4265 return ctx->current_url;
adamc@1066 4266 }
adamc@1066 4267
adamc@1066 4268 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4269 ctx->current_url = s;
adamc@1066 4270 }
adamc@1114 4271
adamc@1114 4272 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4273 ctx->deadline = n;
adamc@1114 4274 }
adamc@1114 4275
adamc@1114 4276 void uw_check_deadline(uw_context ctx) {
adamc@1114 4277 if (uw_time > ctx->deadline)
adamc@1114 4278 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4279 }
adamc@1115 4280
adamc@1115 4281 size_t uw_database_max = SIZE_MAX;
adamc@1120 4282
adam@1389 4283 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@2143 4284 if (ctx->loggers->log_debug)
adam@2143 4285 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@2143 4286 else
adam@2143 4287 fprintf(stderr, "%s\n", s);
adam@1389 4288 return 0;
adam@1389 4289 }
adam@1389 4290
adamc@1120 4291 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4292 if (ctx->loggers->log_debug)
grrwlf@1997 4293 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4294 else
adam@1334 4295 fprintf(stderr, "%s\n", s);
adamc@1120 4296 return uw_unit_v;
adamc@1120 4297 }
adamc@1250 4298
adamc@1250 4299 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@2104 4300 int r = my_rand();
adam@2104 4301
adam@2104 4302 if (r >= 0)
adam@2104 4303 return r;
adam@1486 4304 else
adam@1486 4305 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4306 }
adam@1347 4307
adam@1347 4308 void uw_noPostBody(uw_context ctx) {
adam@1347 4309 ctx->hasPostBody = 0;
adam@1347 4310 }
adam@1347 4311
adam@1347 4312 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4313 ctx->hasPostBody = 1;
adam@1347 4314 ctx->postBody = pb;
adam@1347 4315 }
adam@1347 4316
adam@1347 4317 int uw_hasPostBody(uw_context ctx) {
adam@1347 4318 return ctx->hasPostBody;
adam@1347 4319 }
adam@1347 4320
adam@1386 4321 void uw_isPost(uw_context ctx) {
adam@1386 4322 ctx->isPost = 1;
adam@1386 4323 }
adam@1386 4324
adam@1386 4325 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4326 return ctx->isPost;
adam@1386 4327 }
adam@1386 4328
adam@1485 4329 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4330 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4331 }
adam@1485 4332
adam@1370 4333 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4334 ctx->queryString = s;
adam@1370 4335 }
adam@1370 4336
adam@1370 4337 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4338 return ctx->queryString;
adam@1370 4339 }
adam@1370 4340
adam@1347 4341 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4342 if (ctx->hasPostBody)
adam@1347 4343 return ctx->postBody;
adam@1347 4344 else
adam@1347 4345 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4346 }
adam@1349 4347
adam@1349 4348 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4349 int r = setjmp(ctx->jmp_buf);
adam@1349 4350
adam@1349 4351 if (r == 0) {
adam@1936 4352 uw_ensure_transaction(ctx);
adam@1418 4353
adam@1349 4354 callback(ctx);
adam@1349 4355 }
adam@1349 4356
adam@1349 4357 return r;
adam@1349 4358 }
adam@1360 4359
adam@1360 4360 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4361 char buf[14];
adam@1397 4362 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4363 }
adam@1365 4364
adam@1365 4365 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4366 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4367 }
adam@1365 4368
adam@1365 4369 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034 4370 return !!(t1.seconds < t2.seconds || (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365 4371 }
adam@1365 4372
adam@1365 4373 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4374 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4375 }
adam@1365 4376
adam@1372 4377 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4378 struct tm stm = {};
adam@1375 4379 char *end = strchr(s, 0);
adam@1449 4380 stm.tm_isdst = -1;
adam@1375 4381
adam@1632 4382 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4383 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4384
kkallio@1448 4385 r->seconds = timegm(&stm);
adam@1373 4386 r->microseconds = 0;
adam@1373 4387
adam@1373 4388 return r;
adam@1374 4389 }
adam@1374 4390 else
adam@1373 4391 return NULL;
adam@1372 4392 }
adam@1407 4393
adam@1407 4394 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4395 int r = setjmp(ctx->jmp_buf);
adam@1407 4396
adam@1407 4397 if (ctx->app->on_error) {
adam@1407 4398 if (r == 0) {
adam@1936 4399 uw_ensure_transaction(ctx);
adam@1407 4400
adam@1409 4401 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4402 if (on_success[0])
adam@1409 4403 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4404 else
adam@1409 4405 uw_write_header(ctx, "Status: ");
adam@1409 4406 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4407 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4408 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4409 ctx->app->on_error(ctx, msg);
adam@1407 4410 uw_write(ctx, "</html>");
adam@1407 4411 }
adam@1407 4412
adam@1407 4413 return r;
adam@1407 4414 } else
adam@1407 4415 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4416 }
adam@1451 4417
adam@1451 4418 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4419 ctx->allowed_to_return_indirectly = 1;
adam@1451 4420 }
adam@1483 4421
adam@1556 4422 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4423 int len;
adam@1703 4424 char *r;
adam@1703 4425
adam@1703 4426 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4427 r = ctx->heap.front;
adam@1703 4428 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4429 ctx->heap.front += len+1;
adam@1703 4430 return r;
adam@1556 4431 }
adam@1571 4432
adam@1571 4433 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4434 return n;
adam@1571 4435 }
adam@1571 4436
adam@1571 4437 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4438 return ceil(n);
adam@1571 4439 }
adam@1571 4440
adam@1571 4441 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4442 return trunc(n);
adam@1571 4443 }
adam@1571 4444
adam@1571 4445 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4446 return round(n);
adam@1571 4447 }
adam@1755 4448
adam@1755 4449 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4450 char *p;
adam@1755 4451
adam@1755 4452 for (p = s; *p; ++p) {
adam@1755 4453 char c = *p;
adam@1801 4454 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4455 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4456 }
adam@1755 4457
adam@1755 4458 return s;
adam@1755 4459 }
adam@1755 4460
adam@1755 4461 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4462 char *p;
adam@1755 4463
adam@1755 4464 for (p = s; *p; ++p) {
adam@1755 4465 char c = *p;
adam@1801 4466 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4467 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4468 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4469 }
adam@1755 4470
adam@1755 4471 return s;
adam@1755 4472 }
adam@1755 4473
adam@1755 4474 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4475 char *p;
adam@1755 4476
adam@1755 4477 if (!*s)
adam@1755 4478 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4479
adam@1801 4480 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4481 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4482
adam@1755 4483 for (p = s; *p; ++p) {
adam@1755 4484 char c = *p;
adam@1801 4485 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4486 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4487 }
adam@1755 4488
adam@1755 4489 return s;
adam@1755 4490 }
adam@1787 4491
adam@1787 4492 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4493 return f.name;
adam@1787 4494 }
adam@1787 4495
adam@1787 4496 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4497 return f.value;
adam@1787 4498 }
adam@1787 4499
adam@1787 4500 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4501 return f.remaining;
adam@1787 4502 }
adam@1787 4503
adam@1787 4504 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4505 char *unurl;
adam@1787 4506 uw_Basis_postField *f;
adam@1787 4507
adam@1788 4508 if (!ctx->hasPostBody)
adam@1788 4509 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4510
adam@1788 4511 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4512 return NULL;
adam@1787 4513
adam@1787 4514 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4515 unurl = s;
adam@1787 4516 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4517 s = strchr(s, 0);
adam@1788 4518 if (!s)
adam@1788 4519 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4520 ++s;
adam@1788 4521 unurl = s;
adam@1788 4522 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4523 s = strchr(s, 0);
adam@1788 4524 if (!s)
adam@1788 4525 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4526 f->remaining = s+1;
adam@1787 4527
adam@1787 4528 return f;
adam@1787 4529 }
adam@2008 4530
adam@2008 4531 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008 4532 char *p = s;
adam@2008 4533
adam@2008 4534 for (; *p; ++p)
adam@2008 4535 if (!isalnum(*p) && *p != '-' && *p != '_')
adam@2008 4536 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008 4537
adam@2008 4538 return s;
adam@2008 4539 }
adam@2073 4540
adam@2073 4541 int uw_remoteSock(uw_context ctx) {
adam@2073 4542 return ctx->remoteSock;
adam@2073 4543 }
adam@2073 4544
adam@2073 4545 void uw_set_remoteSock(uw_context ctx, int sock) {
adam@2073 4546 ctx->remoteSock = sock;
adam@2073 4547 }
ziv@2234 4548
ziv@2234 4549
ziv@2234 4550 // Sqlcache
ziv@2234 4551
ziv@2284 4552 typedef struct uw_Sqlcache_Entry {
ziv@2284 4553 char *key;
ziv@2284 4554 uw_Sqlcache_Value *value;
ziv@2284 4555 unsigned long timeInvalid;
ziv@2284 4556 UT_hash_handle hh;
ziv@2284 4557 } uw_Sqlcache_Entry;
ziv@2284 4558
ziv@2279 4559 void uw_Sqlcache_freeValue(uw_Sqlcache_Value *value) {
ziv@2234 4560 if (value) {
ziv@2234 4561 free(value->result);
ziv@2234 4562 free(value->output);
ziv@2234 4563 free(value);
ziv@2234 4564 }
ziv@2234 4565 }
ziv@2234 4566
ziv@2279 4567 void uw_Sqlcache_freeEntry(uw_Sqlcache_Entry* entry) {
ziv@2279 4568 if (entry) {
ziv@2279 4569 free(entry->key);
ziv@2279 4570 uw_Sqlcache_freeValue(entry->value);
ziv@2279 4571 free(entry);
ziv@2279 4572 }
ziv@2279 4573 }
ziv@2279 4574
ziv@2279 4575 // TODO: pick a number.
ziv@2279 4576 unsigned int uw_Sqlcache_maxSize = 1234567890;
ziv@2279 4577
ziv@2279 4578 void uw_Sqlcache_delete(uw_Sqlcache_Cache *cache, uw_Sqlcache_Entry *entry) {
ziv@2279 4579 HASH_DEL(cache->table, entry);
ziv@2279 4580 uw_Sqlcache_freeEntry(entry);
ziv@2279 4581 }
ziv@2279 4582
ziv@2279 4583 uw_Sqlcache_Entry *uw_Sqlcache_find(uw_Sqlcache_Cache *cache, char *key, size_t len, int bump) {
ziv@2279 4584 uw_Sqlcache_Entry *entry = NULL;
ziv@2279 4585 HASH_FIND(hh, cache->table, key, len, entry);
ziv@2279 4586 if (entry && bump) {
ziv@2279 4587 // Bump for LRU purposes.
ziv@2279 4588 HASH_DEL(cache->table, entry);
ziv@2279 4589 // Important that we use [entry->key], because [key] might be ephemeral.
ziv@2279 4590 HASH_ADD_KEYPTR(hh, cache->table, entry->key, len, entry);
ziv@2279 4591 }
ziv@2279 4592 return entry;
ziv@2279 4593 }
ziv@2279 4594
ziv@2279 4595 void uw_Sqlcache_add(uw_Sqlcache_Cache *cache, uw_Sqlcache_Entry *entry, size_t len) {
ziv@2279 4596 HASH_ADD_KEYPTR(hh, cache->table, entry->key, len, entry);
ziv@2279 4597 if (HASH_COUNT(cache->table) > uw_Sqlcache_maxSize) {
ziv@2279 4598 // Deletes the first element of the cache.
ziv@2279 4599 uw_Sqlcache_delete(cache, cache->table);
ziv@2279 4600 }
ziv@2279 4601 }
ziv@2279 4602
ziv@2279 4603 unsigned long uw_Sqlcache_getTimeNow(uw_Sqlcache_Cache *cache) {
ziv@2279 4604 return ++cache->timeNow;
ziv@2279 4605 }
ziv@2279 4606
ziv@2279 4607 unsigned long uw_Sqlcache_timeMax(unsigned long x, unsigned long y) {
ziv@2279 4608 return x > y ? x : y;
ziv@2279 4609 }
ziv@2279 4610
ziv@2279 4611 char uw_Sqlcache_keySep = '_';
ziv@2279 4612
ziv@2284 4613 char *uw_Sqlcache_allocKeyBuffer(char **keys, size_t numKeys) {
ziv@2279 4614 size_t len = 0;
ziv@2279 4615 while (numKeys-- > 0) {
ziv@2279 4616 char* k = keys[numKeys];
ziv@2279 4617 if (!k) {
ziv@2279 4618 // Can only happen when flushihg, in which case we don't need anything past the null key.
ziv@2279 4619 break;
ziv@2234 4620 }
ziv@2279 4621 // Leave room for separator.
ziv@2279 4622 len += 1 + strlen(k);
ziv@2234 4623 }
ziv@2279 4624 char *buf = malloc(len+1);
ziv@2279 4625 // If nothing is copied into the buffer, it should look like it has length 0.
ziv@2279 4626 buf[0] = 0;
ziv@2279 4627 return buf;
ziv@2279 4628 }
ziv@2279 4629
ziv@2279 4630 char *uw_Sqlcache_keyCopy(char *buf, char *key) {
ziv@2279 4631 *buf++ = uw_Sqlcache_keySep;
ziv@2279 4632 return stpcpy(buf, key);
ziv@2279 4633 }
ziv@2279 4634
ziv@2279 4635 // The NUL-terminated prefix of [key] below always looks something like "_k1_k2_k3..._kn".
ziv@2285 4636
ziv@2285 4637 uw_Sqlcache_Value *uw_Sqlcache_check(uw_context ctx, uw_Sqlcache_Cache *cache, char **keys) {
ziv@2285 4638 pthread_rwlock_rdlock(&cache->lock);
ziv@2281 4639 size_t numKeys = cache->numKeys;
ziv@2279 4640 char *key = uw_Sqlcache_allocKeyBuffer(keys, numKeys);
ziv@2279 4641 char *buf = key;
ziv@2279 4642 time_t timeInvalid = cache->timeInvalid;
ziv@2279 4643 uw_Sqlcache_Entry *entry;
ziv@2286 4644 if (numKeys == 0) {
ziv@2286 4645 entry = cache->table;
ziv@2279 4646 if (!entry) {
ziv@2279 4647 free(key);
ziv@2285 4648 pthread_rwlock_unlock(&cache->lock);
ziv@2279 4649 return NULL;
ziv@2279 4650 }
ziv@2286 4651 } else {
ziv@2286 4652 while (numKeys-- > 0) {
ziv@2286 4653 buf = uw_Sqlcache_keyCopy(buf, keys[numKeys]);
ziv@2286 4654 size_t len = buf - key;
ziv@2286 4655 entry = uw_Sqlcache_find(cache, key, len, 1);
ziv@2286 4656 if (!entry) {
ziv@2286 4657 free(key);
ziv@2286 4658 pthread_rwlock_unlock(&cache->lock);
ziv@2286 4659 return NULL;
ziv@2286 4660 }
ziv@2286 4661 timeInvalid = uw_Sqlcache_timeMax(timeInvalid, entry->timeInvalid);
ziv@2286 4662 }
ziv@2286 4663 free(key);
ziv@2234 4664 }
ziv@2285 4665 // TODO: pass back copy of value and free it in the generated code... or use uw_malloc?
ziv@2279 4666 uw_Sqlcache_Value *value = entry->value;
ziv@2285 4667 pthread_rwlock_unlock(&cache->lock);
ziv@2279 4668 return value && value->timeValid > timeInvalid ? value : NULL;
ziv@2279 4669 }
ziv@2279 4670
ziv@2285 4671 void uw_Sqlcache_storeCommitOne(uw_Sqlcache_Cache *cache, char **keys, uw_Sqlcache_Value *value) {
ziv@2285 4672 pthread_rwlock_wrlock(&cache->lock);
ziv@2281 4673 size_t numKeys = cache->numKeys;
ziv@2279 4674 char *key = uw_Sqlcache_allocKeyBuffer(keys, numKeys);
ziv@2279 4675 char *buf = key;
ziv@2279 4676 time_t timeNow = uw_Sqlcache_getTimeNow(cache);
ziv@2279 4677 uw_Sqlcache_Entry *entry;
ziv@2286 4678 if (numKeys == 0) {
ziv@2286 4679 entry = cache->table;
ziv@2279 4680 if (!entry) {
ziv@2279 4681 entry = malloc(sizeof(uw_Sqlcache_Entry));
ziv@2279 4682 entry->key = strdup(key);
ziv@2279 4683 entry->value = NULL;
ziv@2285 4684 entry->timeInvalid = 0;
ziv@2286 4685 cache->table = entry;
ziv@2234 4686 }
ziv@2286 4687 } else {
ziv@2286 4688 while (numKeys-- > 0) {
ziv@2286 4689 buf = uw_Sqlcache_keyCopy(buf, keys[numKeys]);
ziv@2286 4690 size_t len = buf - key;
ziv@2286 4691 entry = uw_Sqlcache_find(cache, key, len, 1);
ziv@2286 4692 if (!entry) {
ziv@2286 4693 entry = malloc(sizeof(uw_Sqlcache_Entry));
ziv@2286 4694 entry->key = strdup(key);
ziv@2286 4695 entry->value = NULL;
ziv@2286 4696 entry->timeInvalid = 0;
ziv@2286 4697 uw_Sqlcache_add(cache, entry, len);
ziv@2286 4698 }
ziv@2286 4699 }
ziv@2286 4700 free(key);
ziv@2234 4701 }
ziv@2279 4702 uw_Sqlcache_freeValue(entry->value);
ziv@2279 4703 entry->value = value;
ziv@2279 4704 entry->value->timeValid = timeNow;
ziv@2285 4705 pthread_rwlock_unlock(&cache->lock);
ziv@2279 4706 }
ziv@2279 4707
ziv@2282 4708 void uw_Sqlcache_flushCommitOne(uw_Sqlcache_Cache *cache, char **keys) {
ziv@2285 4709 pthread_rwlock_wrlock(&cache->lock);
ziv@2281 4710 size_t numKeys = cache->numKeys;
ziv@2279 4711 char *key = uw_Sqlcache_allocKeyBuffer(keys, numKeys);
ziv@2279 4712 char *buf = key;
ziv@2279 4713 time_t timeNow = uw_Sqlcache_getTimeNow(cache);
ziv@2279 4714 uw_Sqlcache_Entry *entry;
ziv@2286 4715 if (numKeys == 0) {
ziv@2286 4716 entry = cache->table;
ziv@2286 4717 if (entry) {
ziv@2286 4718 uw_Sqlcache_freeValue(entry->value);
ziv@2286 4719 entry->value = NULL;
ziv@2286 4720 }
ziv@2286 4721 } else {
ziv@2286 4722 while (numKeys-- > 0) {
ziv@2286 4723 char *k = keys[numKeys];
ziv@2286 4724 if (!k) {
ziv@2286 4725 if (entry) {
ziv@2286 4726 entry->timeInvalid = timeNow;
ziv@2286 4727 } else {
ziv@2286 4728 // Haven't found an entry yet, so the first key was null.
ziv@2286 4729 cache->timeInvalid = timeNow;
ziv@2286 4730 }
ziv@2286 4731 free(key);
ziv@2286 4732 pthread_rwlock_unlock(&cache->lock);
ziv@2286 4733 return;
ziv@2234 4734 }
ziv@2286 4735 buf = uw_Sqlcache_keyCopy(buf, k);
ziv@2286 4736 size_t len = buf - key;
ziv@2286 4737 entry = uw_Sqlcache_find(cache, key, len, 0);
ziv@2286 4738 if (!entry) {
ziv@2286 4739 free(key);
ziv@2286 4740 pthread_rwlock_unlock(&cache->lock);
ziv@2286 4741 return;
ziv@2286 4742 }
ziv@2234 4743 }
ziv@2286 4744 free(key);
ziv@2286 4745 // All the keys were non-null and the relevant entry is present, so we delete it.
ziv@2286 4746 uw_Sqlcache_delete(cache, entry);
ziv@2234 4747 }
ziv@2285 4748 pthread_rwlock_unlock(&cache->lock);
ziv@2285 4749 }
ziv@2285 4750
ziv@2285 4751 void uw_Sqlcache_freeUpdate(void *data, int dontCare) {
ziv@2285 4752 uw_context ctx = (uw_context)data;
ziv@2285 4753 uw_Sqlcache_Update *update = ctx->cacheUpdate;
ziv@2285 4754 while (update) {
ziv@2285 4755 char** keys = update->keys;
ziv@2285 4756 size_t numKeys = update->cache->numKeys;
ziv@2282 4757 while (numKeys-- > 0) {
ziv@2282 4758 free(keys[numKeys]);
ziv@2282 4759 }
ziv@2282 4760 free(keys);
ziv@2285 4761 // Don't free [update->value]: it's in the cache now!
ziv@2285 4762 uw_Sqlcache_Update *nextUpdate = update->next;
ziv@2285 4763 free(update);
ziv@2285 4764 update = nextUpdate;
ziv@2282 4765 }
ziv@2285 4766 ctx->cacheUpdate = NULL;
ziv@2285 4767 ctx->cacheUpdateTail = NULL;
ziv@2285 4768 }
ziv@2285 4769
ziv@2285 4770 void uw_Sqlcache_commitUpdate(void *data) {
ziv@2285 4771 uw_context ctx = (uw_context)data;
ziv@2285 4772 uw_Sqlcache_Update *update = ctx->cacheUpdate;
ziv@2285 4773 while (update) {
ziv@2285 4774 uw_Sqlcache_Cache *cache = update->cache;
ziv@2285 4775 char **keys = update->keys;
ziv@2285 4776 if (update->value) {
ziv@2285 4777 uw_Sqlcache_storeCommitOne(cache, keys, update->value);
ziv@2285 4778 } else {
ziv@2285 4779 uw_Sqlcache_flushCommitOne(cache, keys);
ziv@2285 4780 }
ziv@2285 4781 update = update->next;
ziv@2282 4782 }
ziv@2284 4783 }
ziv@2284 4784
ziv@2284 4785 char **uw_Sqlcache_copyKeys(char **keys, size_t numKeys) {
ziv@2284 4786 char **copy = malloc(sizeof(char *) * numKeys);
ziv@2284 4787 while (numKeys-- > 0) {
ziv@2285 4788 char *k = keys[numKeys];
ziv@2284 4789 copy[numKeys] = k ? strdup(k) : NULL;
ziv@2284 4790 }
ziv@2284 4791 return copy;
ziv@2282 4792 }
ziv@2282 4793
ziv@2285 4794 void uw_Sqlcache_store(uw_context ctx, uw_Sqlcache_Cache *cache, char **keys, uw_Sqlcache_Value *value) {
ziv@2285 4795 uw_Sqlcache_Update *update = malloc(sizeof(uw_Sqlcache_Update));
ziv@2285 4796 update->cache = cache;
ziv@2285 4797 update->keys = uw_Sqlcache_copyKeys(keys, cache->numKeys);
ziv@2285 4798 update->value = value;
ziv@2285 4799 update->next = NULL;
ziv@2285 4800 if (ctx->cacheUpdateTail) {
ziv@2285 4801 // An update is already registered, so just extend it.
ziv@2285 4802 ctx->cacheUpdateTail->next = update;
ziv@2285 4803 } else {
ziv@2285 4804 ctx->cacheUpdate = update;
ziv@2285 4805 uw_register_transactional(ctx, ctx, uw_Sqlcache_commitUpdate, NULL, uw_Sqlcache_freeUpdate);
ziv@2285 4806 }
ziv@2285 4807 ctx->cacheUpdateTail = update;
ziv@2285 4808 }
ziv@2285 4809
ziv@2282 4810 void uw_Sqlcache_flush(uw_context ctx, uw_Sqlcache_Cache *cache, char **keys) {
ziv@2285 4811 // A flush is represented in the queue as storing NULL.
ziv@2285 4812 uw_Sqlcache_store(ctx, cache, keys, NULL);
ziv@2285 4813 }