annotate src/c/urweb.c @ 1376:a8ba2952b210

Fix new urlifyTime to work properly on 32-bit systems
author Adam Chlipala <adamc@hcoop.net>
date Thu, 30 Dec 2010 12:27:19 -0500
parents f294173d87db
children 730b3d0de1c1
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@1360 16 #include <crypt.h>
adam@1374 17 #include <time.h>
adamc@102 18
adamc@667 19 #include <pthread.h>
adamc@667 20
adamc@102 21 #include "types.h"
adamc@102 22
adamc@311 23 uw_unit uw_unit_v = {};
adamc@102 24
adamc@667 25
adamc@667 26 // Socket extras
adamc@667 27
adamc@863 28 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 29 while (len > 0) {
adamc@856 30 ssize_t n = send(sock, buf, len, 0);
adamc@856 31
adamc@856 32 if (n < 0)
adamc@856 33 return n;
adamc@856 34
adamc@856 35 buf += n;
adamc@856 36 len -= n;
adamc@856 37 }
adamc@856 38
adamc@856 39 return 0;
adamc@856 40 }
adamc@856 41
adamc@856 42 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 43 while (len > 0) {
adamc@856 44 ssize_t n = write(fd, buf, len);
adamc@667 45
adamc@667 46 if (n < 0)
adamc@667 47 return n;
adamc@667 48
adamc@667 49 buf += n;
adamc@667 50 len -= n;
adamc@667 51 }
adamc@667 52
adamc@667 53 return 0;
adamc@667 54 }
adamc@667 55
adamc@667 56
adamc@667 57 // Buffers
adamc@667 58
adam@1369 59 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 60 b->max = max;
adamc@667 61 b->front = b->start = malloc(s);
adamc@667 62 b->back = b->front + s;
adamc@667 63 }
adamc@667 64
adam@1369 65 void uw_buffer_free(uw_buffer *b) {
adamc@667 66 free(b->start);
adamc@667 67 }
adamc@667 68
adam@1369 69 void uw_buffer_reset(uw_buffer *b) {
adamc@667 70 b->front = b->start;
adamc@667 71 }
adamc@667 72
adam@1369 73 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 74 if (b->back - b->front < extra) {
adamc@667 75 size_t desired = b->front - b->start + extra, next;
adamc@667 76 char *new_heap;
adamc@667 77
adamc@667 78 next = b->back - b->start;
adamc@667 79 if (next == 0)
adamc@667 80 next = 1;
adamc@667 81 for (; next < desired; next *= 2);
adamc@667 82
adamc@1134 83 if (next > b->max) {
adamc@1113 84 if (desired <= b->max)
adamc@1113 85 next = desired;
adamc@1113 86 else
adamc@1113 87 return 1;
adamc@1134 88 }
adamc@1113 89
adamc@667 90 new_heap = realloc(b->start, next);
adamc@667 91 b->front = new_heap + (b->front - b->start);
adamc@667 92 b->back = new_heap + next;
adamc@667 93 b->start = new_heap;
adamc@667 94 }
adamc@1113 95
adamc@1113 96 return 0;
adamc@1113 97 }
adamc@1113 98
adamc@1113 99 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 100
adam@1369 101 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 102 if (uw_buffer_check(b, extra))
adamc@1113 103 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 104 }
adamc@667 105
adam@1369 106 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 107 return b->front - b->start;
adamc@667 108 }
adamc@667 109
adam@1369 110 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 111 return b->back - b->start;
adamc@667 112 }
adamc@667 113
adam@1369 114 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 115 if (uw_buffer_check(b, len+1))
adamc@1113 116 return 1;
adamc@1113 117
adamc@1113 118 memcpy(b->front, s, len);
adamc@1113 119 b->front += len;
adamc@1113 120 *b->front = 0;
adamc@1113 121
adamc@1113 122 return 0;
adamc@1113 123 }
adamc@1113 124
adam@1369 125 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 126 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 127
adamc@668 128 memcpy(b->front, s, len);
adamc@668 129 b->front += len;
adamc@672 130 *b->front = 0;
adamc@668 131 }
adamc@667 132
adamc@668 133
adamc@672 134 // Persistent state types
adamc@667 135
adamc@667 136 typedef enum { UNUSED, USED } usage;
adamc@667 137
adamc@667 138 typedef struct client {
adamc@682 139 unsigned id;
adamc@667 140 usage mode;
adamc@682 141 int pass;
adamc@682 142 struct client *next;
adamc@689 143 pthread_mutex_t lock, pull_lock;
adam@1369 144 uw_buffer msgs;
adamc@682 145 int sock;
adamc@863 146 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 147 int (*close)(int fd);
adamc@682 148 time_t last_contact;
adamc@682 149 unsigned n_channels;
adamc@685 150 unsigned refcount;
adamc@1121 151 void *data;
adamc@667 152 } client;
adamc@667 153
adamc@672 154
adamc@672 155 // Persistent client state
adamc@672 156
adamc@682 157 static client **clients, *clients_free, *clients_used;
adamc@682 158 static unsigned n_clients;
adamc@667 159
adamc@667 160 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 161
adamc@1113 162 size_t uw_messages_max = SIZE_MAX;
adamc@1113 163 size_t uw_clients_max = SIZE_MAX;
adamc@1113 164
adamc@1121 165 void *uw_init_client_data();
adamc@1121 166 void uw_free_client_data(void *);
adamc@1121 167 void uw_copy_client_data(void *dst, void *src);
adamc@1121 168
adamc@682 169 static client *new_client() {
adamc@667 170 client *c;
adamc@667 171
adamc@667 172 pthread_mutex_lock(&clients_mutex);
adamc@667 173
adamc@667 174 if (clients_free) {
adamc@667 175 c = clients_free;
adamc@682 176 clients_free = clients_free->next;
adamc@667 177 }
adamc@1113 178 else if (n_clients >= uw_clients_max)
adamc@1113 179 return NULL;
adamc@667 180 else {
adamc@667 181 ++n_clients;
adamc@667 182 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 183 c = malloc(sizeof(client));
adamc@667 184 c->id = n_clients-1;
adamc@682 185 pthread_mutex_init(&c->lock, NULL);
adamc@689 186 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 187 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 188 clients[n_clients-1] = c;
adamc@667 189 }
adamc@667 190
adamc@682 191 pthread_mutex_lock(&c->lock);
adamc@667 192 c->mode = USED;
adamc@682 193 c->pass = rand();
adamc@682 194 c->sock = -1;
adamc@682 195 c->last_contact = time(NULL);
adam@1369 196 uw_buffer_reset(&c->msgs);
adamc@682 197 c->n_channels = 0;
adamc@685 198 c->refcount = 0;
adamc@1121 199 c->data = uw_init_client_data();
adamc@682 200 pthread_mutex_unlock(&c->lock);
adamc@682 201
adamc@682 202 c->next = clients_used;
adamc@682 203 clients_used = c;
adamc@667 204
adamc@667 205 pthread_mutex_unlock(&clients_mutex);
adamc@667 206
adamc@667 207 return c;
adamc@667 208 }
adamc@667 209
adamc@685 210 static void use_client(client *c) {
adamc@685 211 pthread_mutex_lock(&c->lock);
adamc@685 212 ++c->refcount;
adamc@685 213 pthread_mutex_unlock(&c->lock);
adamc@689 214 pthread_mutex_lock(&c->pull_lock);
adamc@685 215 }
adamc@685 216
adamc@685 217 static void release_client(client *c) {
adamc@689 218 pthread_mutex_unlock(&c->pull_lock);
adamc@685 219 pthread_mutex_lock(&c->lock);
adamc@685 220 --c->refcount;
adamc@685 221 pthread_mutex_unlock(&c->lock);
adamc@689 222
adamc@685 223 }
adamc@685 224
adamc@856 225 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 226
adamc@682 227 static client *find_client(unsigned id) {
adamc@667 228 client *c;
adamc@667 229
adamc@667 230 pthread_mutex_lock(&clients_mutex);
adamc@667 231
adamc@667 232 if (id >= n_clients) {
adamc@667 233 pthread_mutex_unlock(&clients_mutex);
adamc@668 234 return NULL;
adamc@667 235 }
adamc@667 236
adamc@667 237 c = clients[id];
adamc@667 238
adamc@668 239 pthread_mutex_unlock(&clients_mutex);
adamc@668 240 return c;
adamc@668 241 }
adamc@668 242
adamc@856 243 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 244 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 245
adamc@856 246 void uw_set_on_success(char *s) {
adamc@856 247 on_success = s;
adamc@856 248 }
adamc@856 249
adamc@863 250 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 251 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 252 int (*close)(int fd),
adamc@864 253 void *logger_data, uw_logger log_error) {
adamc@682 254 client *c = find_client(id);
adamc@668 255
adamc@668 256 if (c == NULL) {
adamc@667 257 close(sock);
adamc@864 258 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 259 return;
adamc@667 260 }
adamc@667 261
adamc@682 262 pthread_mutex_lock(&c->lock);
adamc@671 263
adamc@682 264 if (c->mode != USED) {
adamc@682 265 pthread_mutex_unlock(&c->lock);
adamc@667 266 close(sock);
adamc@864 267 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 268 return;
adamc@667 269 }
adamc@667 270
adamc@682 271 if (pass != c->pass) {
adamc@682 272 pthread_mutex_unlock(&c->lock);
adamc@682 273 close(sock);
adamc@864 274 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 275 return;
adamc@667 276 }
adamc@667 277
adamc@682 278 if (c->sock != -1) {
adamc@863 279 c->close(c->sock);
adamc@682 280 c->sock = -1;
adamc@682 281 }
adamc@667 282
adamc@682 283 c->last_contact = time(NULL);
adamc@682 284
adam@1369 285 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 286 send(sock, on_success, strlen(on_success));
adamc@863 287 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 288 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 289 uw_buffer_reset(&c->msgs);
adamc@667 290 close(sock);
adamc@667 291 }
adamc@863 292 else {
adamc@682 293 c->sock = sock;
adamc@863 294 c->send = send;
adamc@863 295 c->close = close;
adamc@863 296 }
adamc@667 297
adamc@682 298 pthread_mutex_unlock(&c->lock);
adamc@667 299 }
adamc@667 300
adamc@682 301 static void free_client(client *c) {
adamc@682 302 c->mode = UNUSED;
adamc@682 303 c->pass = -1;
adamc@667 304
adamc@682 305 c->next = clients_free;
adamc@682 306 clients_free = c;
adamc@667 307 }
adamc@667 308
adamc@682 309 static uw_Basis_channel new_channel(client *c) {
adamc@682 310 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 311 return ch;
adamc@668 312 }
adamc@668 313
adam@1369 314 static void client_send(client *c, uw_buffer *msg) {
adamc@685 315 pthread_mutex_lock(&c->lock);
adamc@671 316
adamc@682 317 if (c->sock != -1) {
adamc@863 318 c->send(c->sock, on_success, strlen(on_success));
adamc@863 319 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 320 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 321 c->close(c->sock);
adamc@682 322 c->sock = -1;
adam@1369 323 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 324 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 325
adamc@685 326 pthread_mutex_unlock(&c->lock);
adamc@668 327 }
adamc@668 328
adamc@668 329
adamc@668 330 // Global entry points
adamc@668 331
adamc@1164 332 extern void uw_global_custom();
adamc@1104 333 extern void uw_init_crypto();
adamc@1104 334
adamc@668 335 void uw_global_init() {
adamc@668 336 srand(time(NULL) ^ getpid());
adamc@668 337
adamc@668 338 clients = malloc(0);
adamc@1104 339
adamc@1164 340 uw_global_custom();
adamc@1104 341 uw_init_crypto();
adamc@1094 342 }
adamc@1094 343
adamc@1094 344 void uw_app_init(uw_app *app) {
adamc@1094 345 app->client_init();
adamc@668 346 }
adamc@668 347
adam@1332 348 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 349
adamc@668 350
adamc@667 351 // Single-request state
adamc@667 352
adamc@323 353 typedef struct regions {
adamc@323 354 struct regions *next;
adamc@323 355 } regions;
adamc@323 356
adamc@425 357 typedef struct {
adamc@425 358 void (*func)(void*);
adamc@425 359 void *arg;
adamc@425 360 } cleanup;
adamc@425 361
adamc@671 362 typedef struct {
adamc@682 363 unsigned client;
adam@1369 364 uw_buffer msgs;
adamc@682 365 } delta;
adamc@671 366
adamc@737 367 typedef enum {
adamc@759 368 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 369 } input_kind;
adamc@737 370
adamc@756 371 typedef struct input {
adamc@737 372 input_kind kind;
adamc@737 373 union {
adamc@737 374 char *normal;
adamc@739 375 uw_Basis_file file;
adamc@756 376 struct {
adamc@759 377 struct input *fields, *parent;
adamc@756 378 } subform;
adamc@759 379 struct {
adamc@759 380 struct input *entries, *parent;
adamc@759 381 } subforms;
adamc@759 382 struct {
adamc@759 383 struct input *fields, *next, *parent;
adamc@759 384 } entry;
adamc@737 385 } data;
adamc@737 386 } input;
adamc@737 387
adamc@771 388 typedef struct {
adamc@771 389 void *data;
adam@1327 390 uw_callback commit, rollback;
adam@1327 391 uw_callback_with_retry free;
adamc@771 392 } transactional;
adamc@771 393
adamc@1061 394 typedef struct {
adamc@1061 395 char *name;
adamc@1061 396 void *data;
adamc@1061 397 void (*free)(void*);
adamc@1061 398 } global;
adamc@1061 399
adamc@311 400 struct uw_context {
adamc@1094 401 uw_app *app;
adamc@1094 402
adamc@854 403 char *(*get_header)(void *, const char *);
adamc@854 404 void *get_header_data;
adamc@457 405
adam@1369 406 uw_buffer outHeaders, page, heap, script;
adamc@1065 407 int returning_indirectly;
adamc@759 408 input *inputs, *subinputs, *cur_container;
adamc@1094 409 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 410
adamc@565 411 int source_count;
adamc@562 412
adamc@272 413 void *db;
adamc@272 414
adamc@167 415 jmp_buf jmp_buf;
adamc@167 416
adamc@323 417 regions *regions;
adamc@323 418
adamc@425 419 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 420
adamc@1094 421 const char *script_header;
adamc@643 422
adamc@736 423 int needs_push, needs_sig;
adamc@693 424
adamc@682 425 size_t n_deltas, used_deltas;
adamc@682 426 delta *deltas;
adamc@671 427
adamc@682 428 client *client;
adamc@682 429
adamc@771 430 transactional *transactionals;
adamc@771 431 size_t n_transactionals, used_transactionals;
adamc@771 432
adamc@1061 433 global *globals;
adamc@1061 434 size_t n_globals;
adamc@1061 435
adamc@1066 436 char *current_url;
adamc@1066 437
adamc@1114 438 int deadline;
adamc@1114 439
adamc@1121 440 void *client_data;
adamc@1121 441
adam@1334 442 void *logger_data;
adam@1334 443 uw_logger log_debug;
adam@1334 444
adam@1347 445 int hasPostBody;
adam@1347 446 uw_Basis_postBody postBody;
adam@1370 447 uw_Basis_string queryString;
adam@1347 448
adamc@167 449 char error_message[ERROR_BUF_LEN];
adamc@117 450 };
adamc@117 451
adamc@1113 452 size_t uw_headers_max = SIZE_MAX;
adamc@1113 453 size_t uw_page_max = SIZE_MAX;
adamc@1113 454 size_t uw_heap_max = SIZE_MAX;
adamc@1113 455 size_t uw_script_max = SIZE_MAX;
adamc@1113 456
adam@1334 457 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311 458 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 459
adamc@1094 460 ctx->app = NULL;
adamc@1094 461
adamc@854 462 ctx->get_header = NULL;
adamc@854 463 ctx->get_header_data = NULL;
adamc@457 464
adam@1369 465 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369 466 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065 467 ctx->returning_indirectly = 0;
adam@1369 468 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 469 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 470 ctx->script.start[0] = 0;
adamc@136 471
adamc@1094 472 ctx->inputs = malloc(0);
adamc@759 473 ctx->cur_container = NULL;
adamc@756 474 ctx->subinputs = malloc(0);
adamc@1094 475 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 476
adamc@272 477 ctx->db = NULL;
adamc@272 478
adamc@323 479 ctx->regions = NULL;
adamc@323 480
adamc@425 481 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 482
adamc@643 483 ctx->script_header = "";
adamc@693 484 ctx->needs_push = 0;
adamc@736 485 ctx->needs_sig = 0;
adamc@1104 486
adamc@565 487 ctx->source_count = 0;
adamc@562 488
adamc@682 489 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 490 ctx->deltas = malloc(0);
adamc@671 491
adamc@700 492 ctx->client = NULL;
adamc@700 493
adamc@700 494 ctx->error_message[0] = 0;
adamc@700 495
adamc@771 496 ctx->transactionals = malloc(0);
adamc@771 497 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 498
adamc@1061 499 ctx->globals = malloc(0);
adamc@1061 500 ctx->n_globals = 0;
adamc@1061 501
adamc@1066 502 ctx->current_url = "";
adamc@1066 503
adamc@1114 504 ctx->deadline = INT_MAX;
adamc@1114 505
adamc@1121 506 ctx->client_data = uw_init_client_data();
adamc@1121 507
adam@1334 508 ctx->logger_data = logger_data;
adam@1334 509 ctx->log_debug = log_debug;
adam@1334 510
adam@1347 511 ctx->hasPostBody = 0;
adam@1347 512
adam@1370 513 ctx->queryString = NULL;
adam@1370 514
adamc@117 515 return ctx;
adamc@106 516 }
adamc@106 517
adamc@1113 518 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 519
adamc@1121 520 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 521 return ctx->app;
adamc@1121 522 }
adamc@1121 523
adamc@1113 524 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 525 ctx->app = app;
adamc@1094 526
adamc@1105 527 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 528 if (app->inputs_len > uw_inputs_max)
adamc@1113 529 return 1;
adamc@1113 530
adamc@1094 531 ctx->sz_inputs = app->inputs_len;
adamc@1094 532 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 533 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 534 }
adamc@1134 535
adamc@1134 536 return 0;
adamc@1094 537 }
adamc@1094 538
adamc@1121 539 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 540 uw_copy_client_data(ctx->client_data, data);
adamc@1121 541 }
adamc@1121 542
adamc@311 543 void uw_set_db(uw_context ctx, void *db) {
adamc@272 544 ctx->db = db;
adamc@272 545 }
adamc@272 546
adamc@311 547 void *uw_get_db(uw_context ctx) {
adamc@272 548 return ctx->db;
adamc@272 549 }
adamc@272 550
adamc@311 551 void uw_free(uw_context ctx) {
adamc@671 552 size_t i;
adamc@671 553
adam@1369 554 uw_buffer_free(&ctx->outHeaders);
adam@1369 555 uw_buffer_free(&ctx->script);
adam@1369 556 uw_buffer_free(&ctx->page);
adam@1369 557 uw_buffer_free(&ctx->heap);
adamc@144 558 free(ctx->inputs);
adamc@756 559 free(ctx->subinputs);
adamc@425 560 free(ctx->cleanup);
adamc@771 561 free(ctx->transactionals);
adamc@1121 562 uw_free_client_data(ctx->client_data);
adamc@671 563
adamc@682 564 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 565 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 566 free(ctx->deltas);
adamc@671 567
adamc@1061 568 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 569 if (ctx->globals[i].free)
adamc@1089 570 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 571 free(ctx->globals);
adamc@1061 572
adamc@136 573 free(ctx);
adamc@136 574 }
adamc@136 575
adamc@562 576 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 577 uw_buffer_reset(&ctx->outHeaders);
adam@1369 578 uw_buffer_reset(&ctx->script);
adamc@667 579 ctx->script.start[0] = 0;
adam@1369 580 uw_buffer_reset(&ctx->page);
adamc@1065 581 ctx->returning_indirectly = 0;
adam@1369 582 uw_buffer_reset(&ctx->heap);
adamc@323 583 ctx->regions = NULL;
adamc@425 584 ctx->cleanup_front = ctx->cleanup;
adamc@565 585 ctx->source_count = 0;
adamc@682 586 ctx->used_deltas = 0;
adamc@682 587 ctx->client = NULL;
adamc@759 588 ctx->cur_container = NULL;
adamc@771 589 ctx->used_transactionals = 0;
adamc@1117 590 ctx->script_header = "";
adam@1347 591 ctx->hasPostBody = 0;
adam@1370 592 ctx->queryString = NULL;
adamc@167 593 }
adamc@167 594
adamc@562 595 void uw_reset_keep_request(uw_context ctx) {
adamc@562 596 uw_reset_keep_error_message(ctx);
adamc@562 597 ctx->error_message[0] = 0;
adamc@167 598 }
adamc@167 599
adamc@311 600 void uw_reset(uw_context ctx) {
adamc@311 601 uw_reset_keep_request(ctx);
adamc@1105 602 if (ctx->app)
adamc@1105 603 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 604 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 605 ctx->used_subinputs = 0;
adamc@144 606 }
adamc@144 607
adamc@311 608 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 609 int r = setjmp(ctx->jmp_buf);
adamc@272 610
adamc@1105 611 if (r == 0 && ctx->app)
adamc@1094 612 ctx->app->db_init(ctx);
adamc@272 613
adamc@272 614 return r;
adamc@272 615 }
adamc@272 616
adamc@1118 617 void uw_close(uw_context ctx) {
adamc@1118 618 ctx->app->db_close(ctx);
adamc@1118 619 }
adamc@1118 620
adamc@854 621 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 622 ctx->get_header = get_header;
adamc@854 623 ctx->get_header_data = get_header_data;
adamc@742 624 }
adamc@742 625
adamc@801 626 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 627 va_list ap;
adamc@801 628 va_start(ap, fmt);
adamc@801 629
adamc@801 630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 631 }
adamc@801 632
adamc@1131 633 int uw_has_error(uw_context ctx) {
adamc@1131 634 return ctx->error_message[0] != 0;
adamc@1131 635 }
adamc@1131 636
adamc@311 637 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 638 cleanup *cl;
adamc@425 639
adamc@167 640 va_list ap;
adamc@167 641 va_start(ap, fmt);
adamc@167 642
adamc@167 643 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 644
adamc@425 645 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 646 cl->func(cl->arg);
adamc@425 647
adamc@425 648 ctx->cleanup_front = ctx->cleanup;
adamc@425 649
adamc@190 650 longjmp(ctx->jmp_buf, fk);
adamc@167 651 }
adamc@167 652
adamc@1113 653 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 654
adamc@425 655 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 656 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 657 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 658 if (len == 0)
adamc@425 659 newLen = 1;
adamc@425 660 else
adamc@428 661 newLen = len * 2;
adamc@1113 662
adamc@1134 663 if (newLen > uw_cleanup_max) {
adamc@1113 664 if (len+1 <= uw_cleanup_max)
adamc@1113 665 newLen = uw_cleanup_max;
adamc@1113 666 else
adamc@1113 667 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 668 }
adamc@1113 669
adamc@470 670 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 671 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 672 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 673 }
adamc@425 674
adamc@425 675 ctx->cleanup_front->func = func;
adamc@425 676 ctx->cleanup_front->arg = arg;
adamc@425 677 ++ctx->cleanup_front;
adamc@425 678 }
adamc@425 679
adamc@682 680 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 681 return ctx->get_header(ctx->get_header_data, h);
adamc@682 682 }
adamc@682 683
adamc@682 684 void uw_login(uw_context ctx) {
adamc@693 685 if (ctx->needs_push) {
adamc@682 686 char *id_s, *pass_s;
adamc@682 687
adamc@682 688 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 689 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 690 unsigned id = atoi(id_s);
adamc@682 691 int pass = atoi(pass_s);
adamc@682 692 client *c = find_client(id);
adamc@682 693
adamc@682 694 if (c == NULL)
adamc@682 695 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 696 else {
adamc@685 697 use_client(c);
adamc@682 698 ctx->client = c;
adamc@682 699
adamc@682 700 if (c->mode != USED)
adamc@682 701 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 702 if (c->pass != pass)
adamc@682 703 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 704 }
adamc@682 705 } else {
adamc@682 706 client *c = new_client();
adamc@1113 707
adamc@1113 708 if (c == NULL)
adamc@1113 709 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 710
adamc@685 711 use_client(c);
adamc@1121 712 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 713 ctx->client = c;
adamc@864 714 }
adamc@682 715 }
adamc@682 716 }
adamc@682 717
adamc@671 718 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 719 int r = setjmp(ctx->jmp_buf);
adamc@671 720
adamc@671 721 if (r == 0) {
adamc@1094 722 if (ctx->app->db_begin(ctx))
adamc@671 723 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 724
adamc@1094 725 ctx->app->handle(ctx, path);
adamc@671 726 }
adamc@671 727
adamc@671 728 return r;
adamc@671 729 }
adamc@671 730
adam@1294 731 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294 732 int r = setjmp(ctx->jmp_buf);
adam@1294 733
adam@1294 734 if (ctx->app->on_error) {
adam@1294 735 if (r == 0) {
adam@1294 736 if (ctx->app->db_begin(ctx))
adam@1294 737 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294 738
adam@1294 739 ctx->app->on_error(ctx, msg);
adam@1294 740 }
adam@1294 741
adam@1294 742 return r;
adam@1294 743 } else
adam@1294 744 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294 745 }
adam@1294 746
adamc@772 747 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 748 if (ctx->client == NULL)
adamc@682 749 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 750
adamc@682 751 return ctx->client->id;
adamc@682 752 }
adamc@682 753
adamc@425 754 void uw_pop_cleanup(uw_context ctx) {
adamc@425 755 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 756 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 757
adamc@425 758 --ctx->cleanup_front;
adamc@425 759 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 760 }
adamc@425 761
adamc@311 762 char *uw_error_message(uw_context ctx) {
adamc@167 763 return ctx->error_message;
adamc@167 764 }
adamc@167 765
adamc@1115 766 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 767 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 768 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 769 }
adamc@1115 770
adamc@759 771 static input *INP(uw_context ctx) {
adamc@759 772 if (ctx->cur_container == NULL)
adamc@759 773 return ctx->inputs;
adamc@759 774 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 775 return ctx->cur_container->data.subform.fields;
adamc@759 776 else if (ctx->cur_container->kind == ENTRY)
adamc@759 777 return ctx->cur_container->data.entry.fields;
adamc@759 778 else
adamc@760 779 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 780 }
adamc@759 781
adamc@760 782 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 783 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 784 *ptr += new_start - old_start;
adamc@760 785 }
adamc@760 786
adamc@760 787 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 788 switch (x->kind) {
adamc@759 789 case SUBFORM:
adamc@760 790 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 791 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 792 break;
adamc@759 793 case SUBFORMS:
adamc@760 794 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 795 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 796 break;
adamc@759 797 case ENTRY:
adamc@760 798 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 799 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 800 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 801 break;
adamc@1134 802 default:
adamc@1134 803 break;
adamc@759 804 }
adamc@759 805 }
adamc@759 806
adamc@1113 807 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 808
adamc@759 809 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 810 size_t i;
adamc@759 811 input *r;
adamc@759 812
adamc@759 813 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 814 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 815 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 816
adamc@759 817 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 818
adamc@760 819 if (ctx->subinputs != new_subinputs) {
adamc@760 820 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 821 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 822 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 823 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 824
adamc@760 825 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 826
adamc@760 827 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 828 ctx->subinputs = new_subinputs;
adamc@760 829 }
adamc@759 830 }
adamc@759 831
adamc@759 832 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 833
adamc@759 834 for (i = 0; i < len; ++i)
adamc@759 835 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 836
adamc@759 837 return r;
adamc@759 838 }
adamc@756 839
adamc@801 840 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 841 //printf("Input name %s\n", name);
adamc@1038 842
adamc@756 843 if (!strcasecmp(name, ".b")) {
adamc@1094 844 int n = ctx->app->input_num(value);
adamc@756 845 input *inps;
adamc@756 846
adamc@801 847 if (n < 0) {
adamc@801 848 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 849 return -1;
adamc@801 850 }
adamc@801 851
adamc@1094 852 if (n >= ctx->app->inputs_len) {
adamc@801 853 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 854 return -1;
adamc@801 855 }
adamc@756 856
adamc@1094 857 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 858
adamc@759 859 INP(ctx)[n].kind = SUBFORM;
adamc@759 860 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 861 INP(ctx)[n].data.subform.fields = inps;
adamc@759 862 ctx->cur_container = &INP(ctx)[n];
adamc@756 863 } else if (!strcasecmp(name, ".e")) {
adamc@756 864 input *tmp;
adamc@756 865
adamc@801 866 if (ctx->cur_container == NULL) {
adamc@801 867 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 868 return -1;
adamc@801 869 }
adamc@756 870
adamc@759 871 tmp = ctx->cur_container;
adamc@759 872 switch (tmp->kind) {
adamc@759 873 case SUBFORM:
adamc@759 874 ctx->cur_container = tmp->data.subform.parent;
adamc@759 875 tmp->data.subform.parent = NULL;
adamc@759 876 break;
adamc@759 877 case SUBFORMS:
adamc@759 878 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 879 tmp->data.subforms.parent = NULL;
adamc@759 880 break;
adamc@759 881 case ENTRY:
adamc@759 882 ctx->cur_container = tmp->data.entry.parent;
adamc@759 883 break;
adamc@759 884 default:
adamc@801 885 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 886 return -1;
adamc@759 887 }
adamc@759 888 } else if (!strcasecmp(name, ".s")) {
adamc@1094 889 int n = ctx->app->input_num(value);
adamc@759 890
adamc@801 891 if (n < 0) {
adamc@801 892 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 893 return -1;
adamc@801 894 }
adamc@801 895
adamc@1094 896 if (n >= ctx->app->inputs_len) {
adamc@801 897 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 898 return -1;
adamc@801 899 }
adamc@759 900
adamc@759 901 INP(ctx)[n].kind = SUBFORMS;
adamc@759 902 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 903 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 904 ctx->cur_container = &INP(ctx)[n];
adamc@759 905 } else if (!strcasecmp(name, ".i")) {
adamc@759 906 input *inps;
adamc@759 907
adamc@801 908 if (!ctx->cur_container) {
adamc@801 909 uw_set_error(ctx, "New entry without container");
adamc@801 910 return -1;
adamc@801 911 }
adamc@801 912
adamc@801 913 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 914 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 915 return -1;
adamc@801 916 }
adamc@759 917
adamc@1094 918 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 919
adamc@759 920 inps->kind = ENTRY;
adamc@759 921 inps->data.entry.parent = ctx->cur_container;
adamc@759 922 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 923 ctx->cur_container->data.subforms.entries = inps;
adamc@759 924
adamc@759 925 inps->data.entry.fields = inps+1;
adamc@759 926 ctx->cur_container = inps;
adamc@756 927 } else {
adamc@1094 928 int n = ctx->app->input_num(name);
adamc@756 929
adamc@801 930 if (n < 0) {
adamc@1038 931 if (!strcmp(name, "null"))
adamc@1038 932 return 0;
adamc@801 933 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 934 return -1;
adamc@801 935 }
adamc@801 936
adamc@1094 937 if (n >= ctx->app->inputs_len) {
adamc@801 938 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 939 return -1;
adamc@801 940 }
adamc@756 941
adamc@756 942 INP(ctx)[n].kind = NORMAL;
adamc@756 943 INP(ctx)[n].data.normal = value;
adamc@756 944 }
adamc@801 945
adamc@801 946 return 0;
adamc@144 947 }
adamc@144 948
adamc@311 949 char *uw_get_input(uw_context ctx, int n) {
adamc@169 950 if (n < 0)
adamc@311 951 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 952 if (n >= ctx->app->inputs_len)
adamc@311 953 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 954
adamc@756 955 switch (INP(ctx)[n].kind) {
adamc@737 956 case UNSET:
adamc@737 957 return NULL;
adamc@739 958 case FIL:
adamc@739 959 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 960 case SUBFORM:
adamc@756 961 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 962 case SUBFORMS:
adamc@759 963 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 964 case ENTRY:
adamc@759 965 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 966 case NORMAL:
adamc@756 967 return INP(ctx)[n].data.normal;
adamc@737 968 default:
adamc@737 969 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 970 }
adamc@138 971 }
adamc@138 972
adamc@311 973 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 974 if (n < 0)
adamc@311 975 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 976 if (n >= ctx->app->inputs_len)
adamc@311 977 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 978
adamc@756 979 switch (INP(ctx)[n].kind) {
adamc@737 980 case UNSET:
adamc@737 981 return "";
adamc@739 982 case FIL:
adamc@739 983 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 984 case SUBFORM:
adamc@756 985 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 986 case SUBFORMS:
adamc@759 987 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 988 case ENTRY:
adamc@759 989 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 990 case NORMAL:
adamc@756 991 return INP(ctx)[n].data.normal;
adamc@737 992 default:
adamc@737 993 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 994 }
adamc@737 995 }
adamc@737 996
adamc@801 997 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 998 int n = ctx->app->input_num(name);
adamc@737 999
adamc@801 1000 if (n < 0) {
adamc@801 1001 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 1002 return -1;
adamc@801 1003 }
adamc@801 1004
adamc@1094 1005 if (n >= ctx->app->inputs_len) {
adamc@801 1006 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 1007 return -1;
adamc@801 1008 }
adamc@737 1009
adamc@739 1010 ctx->inputs[n].kind = FIL;
adamc@739 1011 ctx->inputs[n].data.file = f;
adamc@801 1012
adamc@801 1013 return 0;
adamc@737 1014 }
adamc@737 1015
adamc@739 1016 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1017
adamc@739 1018 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1019 if (n < 0)
adamc@737 1020 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1021 if (n >= ctx->app->inputs_len)
adamc@737 1022 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1023
adamc@756 1024 switch (INP(ctx)[n].kind) {
adamc@737 1025 case UNSET:
adamc@737 1026 {
adamc@739 1027 char *data = uw_malloc(ctx, 0);
adamc@740 1028 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1029 return f;
adamc@737 1030 }
adamc@739 1031 case FIL:
adamc@756 1032 return INP(ctx)[n].data.file;
adamc@737 1033 case NORMAL:
adamc@737 1034 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1035 case SUBFORM:
adamc@756 1036 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1037 case SUBFORMS:
adamc@759 1038 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1039 case ENTRY:
adamc@759 1040 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1041 default:
adamc@737 1042 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1043 }
adamc@190 1044 }
adamc@190 1045
adamc@756 1046 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1047 if (n < 0)
adamc@756 1048 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1049 if (n >= ctx->app->inputs_len)
adamc@756 1050 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1051
adamc@756 1052 switch (INP(ctx)[n].kind) {
adamc@756 1053 case UNSET:
adamc@756 1054 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1055 case FIL:
adamc@756 1056 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1057 case NORMAL:
adamc@756 1058 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1059 case SUBFORMS:
adamc@759 1060 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1061 case ENTRY:
adamc@759 1062 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1063 case SUBFORM:
adamc@759 1064 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1065 ctx->cur_container = &INP(ctx)[n];
adamc@756 1066 return;
adamc@756 1067 default:
adamc@756 1068 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1069 }
adamc@756 1070 }
adamc@756 1071
adamc@756 1072 void uw_leave_subform(uw_context ctx) {
adamc@756 1073 input *tmp;
adamc@756 1074
adamc@759 1075 if (ctx->cur_container == NULL)
adamc@756 1076 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1077
adamc@759 1078 tmp = ctx->cur_container;
adamc@759 1079 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1080 tmp->data.subform.parent = NULL;
adamc@759 1081 }
adamc@759 1082
adamc@759 1083 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1084 input *inps;
adamc@759 1085
adamc@759 1086 if (n < 0)
adamc@759 1087 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1088 if (n >= ctx->app->inputs_len)
adamc@759 1089 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1090
adamc@759 1091 switch (INP(ctx)[n].kind) {
adamc@759 1092 case UNSET:
adamc@759 1093 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1094 case FIL:
adamc@759 1095 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1096 case NORMAL:
adamc@759 1097 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1098 case SUBFORM:
adamc@759 1099 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1100 case ENTRY:
adamc@759 1101 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1102 case SUBFORMS:
adamc@759 1103 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1104 if (inps) {
adamc@759 1105 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1106 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1107 return 1;
adamc@759 1108 } else
adamc@759 1109 return 0;
adamc@759 1110 default:
adamc@759 1111 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1112 }
adamc@759 1113 }
adamc@759 1114
adamc@759 1115 int uw_next_entry(uw_context ctx) {
adamc@759 1116 if (ctx->cur_container == NULL)
adamc@759 1117 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1118
adamc@759 1119 switch (ctx->cur_container->kind) {
adamc@759 1120 case UNSET:
adamc@759 1121 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1122 case FIL:
adamc@759 1123 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1124 case NORMAL:
adamc@759 1125 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1126 case SUBFORM:
adamc@759 1127 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1128 case SUBFORMS:
adamc@759 1129 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1130 case ENTRY:
adamc@759 1131 if (ctx->cur_container->data.entry.next) {
adamc@759 1132 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1133 return 1;
adamc@759 1134 } else {
adamc@759 1135 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1136 return 0;
adamc@759 1137 }
adamc@759 1138 default:
adamc@759 1139 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1140 }
adamc@756 1141 }
adamc@756 1142
adamc@643 1143 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1144 ctx->script_header = s;
adamc@643 1145 }
adamc@643 1146
adamc@1094 1147 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1148 return ctx->app->url_prefix;
adamc@667 1149 }
adamc@667 1150
adamc@693 1151 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1152 ctx->needs_push = n;
adamc@693 1153 }
adamc@693 1154
adamc@736 1155 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1156 ctx->needs_sig = n;
adamc@736 1157 }
adamc@736 1158
adamc@667 1159
adam@1369 1160 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1161 if (b->back - b->front < extra) {
adamc@666 1162 size_t desired = b->front - b->start + extra, next;
adamc@136 1163 char *new_heap;
adamc@136 1164
adamc@666 1165 next = b->back - b->start;
adamc@317 1166 if (next == 0)
adamc@317 1167 next = 1;
adamc@317 1168 for (; next < desired; next *= 2);
adamc@136 1169
adamc@1134 1170 if (next > b->max) {
adamc@1113 1171 if (desired <= b->max)
adamc@1113 1172 next = desired;
adamc@1113 1173 else
adamc@1113 1174 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1175 }
adamc@1113 1176
adamc@666 1177 new_heap = realloc(b->start, next);
adamc@666 1178 b->front = new_heap + (b->front - b->start);
adamc@666 1179 b->back = new_heap + next;
adamc@136 1180
adamc@667 1181 if (new_heap != b->start) {
adamc@666 1182 b->start = new_heap;
adamc@666 1183 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1184 }
adamc@136 1185
adamc@666 1186 b->start = new_heap;
adamc@136 1187 }
adamc@136 1188 }
adamc@136 1189
adamc@832 1190 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1191 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1192 }
adamc@666 1193
adamc@832 1194 char *uw_heap_front(uw_context ctx) {
adamc@832 1195 return ctx->heap.front;
adamc@832 1196 }
adamc@832 1197
adamc@832 1198 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1199 ctx->heap.front = fr;
adamc@832 1200 }
adamc@832 1201
adamc@311 1202 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1203 void *result;
adamc@136 1204
adamc@311 1205 uw_check_heap(ctx, len);
adamc@136 1206
adamc@666 1207 result = ctx->heap.front;
adamc@666 1208 ctx->heap.front += len;
adamc@136 1209 return result;
adamc@117 1210 }
adamc@117 1211
adamc@323 1212 void uw_begin_region(uw_context ctx) {
adamc@666 1213 regions *r = (regions *) ctx->heap.front;
adamc@323 1214
adamc@323 1215 uw_check_heap(ctx, sizeof(regions));
adamc@323 1216
adamc@666 1217 ctx->heap.front += sizeof(regions);
adamc@323 1218
adamc@323 1219 r->next = ctx->regions;
adamc@323 1220 ctx->regions = r;
adamc@323 1221 }
adamc@323 1222
adamc@323 1223 void uw_end_region(uw_context ctx) {
adamc@323 1224 regions *r = ctx->regions;
adamc@323 1225
adamc@323 1226 if (r == NULL)
adamc@323 1227 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1228
adamc@666 1229 ctx->heap.front = (char *) r;
adamc@323 1230 ctx->regions = r->next;
adamc@323 1231 }
adamc@323 1232
adamc@324 1233 void uw_memstats(uw_context ctx) {
adam@1369 1234 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1235 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1236 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1237 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1238 }
adamc@324 1239
adamc@311 1240 int uw_send(uw_context ctx, int sock) {
adamc@666 1241 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1242
adamc@462 1243 if (n < 0)
adamc@462 1244 return n;
adamc@462 1245
adamc@462 1246 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1247
adamc@462 1248 if (n < 0)
adamc@462 1249 return n;
adamc@462 1250
adamc@666 1251 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1252 }
adamc@462 1253
adamc@856 1254 int uw_print(uw_context ctx, int fd) {
adamc@856 1255 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1256
adamc@856 1257 if (n < 0)
adamc@856 1258 return n;
adamc@856 1259
adamc@856 1260 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1261
adamc@856 1262 if (n < 0)
adamc@856 1263 return n;
adamc@856 1264
adamc@856 1265 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1266 }
adamc@856 1267
adamc@860 1268 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1269 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1270
adamc@860 1271 if (n < 0)
adamc@860 1272 return n;
adamc@860 1273
adamc@860 1274 n = output(data, "\r\n", 2);
adamc@860 1275
adamc@860 1276 if (n < 0)
adamc@860 1277 return n;
adamc@860 1278
adamc@860 1279 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1280 }
adamc@860 1281
adamc@462 1282 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1283 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1284 }
adamc@462 1285
adamc@462 1286 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1287 int len = strlen(s);
adamc@462 1288
adamc@462 1289 uw_check_headers(ctx, len + 1);
adamc@666 1290 strcpy(ctx->outHeaders.front, s);
adamc@666 1291 ctx->outHeaders.front += len;
adamc@562 1292 }
adamc@562 1293
adamc@1110 1294 void uw_clear_headers(uw_context ctx) {
adam@1369 1295 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1296 }
adamc@1110 1297
adamc@562 1298 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1299 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1300 }
adamc@562 1301
adamc@562 1302 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1303 int len = strlen(s);
adamc@562 1304
adamc@562 1305 uw_check_script(ctx, len + 1);
adamc@666 1306 strcpy(ctx->script.front, s);
adamc@666 1307 ctx->script.front += len;
adamc@562 1308 }
adamc@562 1309
adamc@645 1310 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1311 return "<sc>";
adamc@565 1312 }
adamc@565 1313
adamc@695 1314 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1315 if (s[0] == 0)
adamc@695 1316 return "";
adamc@695 1317 else {
adamc@695 1318 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1319 sprintf(r, " onload='%s'", s);
adamc@695 1320 return r;
adamc@695 1321 }
adamc@695 1322 }
adamc@695 1323
adamc@1042 1324 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1325 if (ctx->script_header[0] == 0)
adamc@1042 1326 return "";
adamc@1042 1327 else {
adamc@1042 1328 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1329 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1330 return r;
adamc@1042 1331 }
adamc@1042 1332 }
adamc@1042 1333
adamc@694 1334 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1335 if (ctx->client == NULL) {
adamc@736 1336 if (ctx->needs_sig) {
adamc@1094 1337 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1338 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1339 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1340 return r;
adamc@736 1341 }
adamc@736 1342 else
adamc@736 1343 return "";
adamc@736 1344 } else {
adamc@1094 1345 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1346 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1347 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1348 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1349 ctx->client->id,
adamc@682 1350 ctx->client->pass,
adamc@1094 1351 ctx->app->url_prefix,
adamc@1094 1352 ctx->app->timeout,
adamc@736 1353 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1354 sig,
adamc@736 1355 ctx->needs_sig ? "\";" : "");
adamc@679 1356 return r;
adamc@668 1357 }
adamc@667 1358 }
adamc@667 1359
adamc@574 1360 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1361 char *r, *s2;
adamc@574 1362
adamc@574 1363 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1364
adamc@666 1365 r = s2 = ctx->heap.front;
adamc@574 1366 *s2++ = '"';
adamc@574 1367
adamc@574 1368 for (; *s; s++) {
adam@1286 1369 unsigned char c = *s;
adamc@574 1370
adamc@574 1371 switch (c) {
adamc@574 1372 case '"':
adamc@574 1373 strcpy(s2, "\\\"");
adamc@574 1374 s2 += 2;
adamc@574 1375 break;
adamc@1027 1376 case '\'':
adamc@1027 1377 strcpy(s2, "\\047");
adamc@1027 1378 s2 += 4;
adamc@1027 1379 break;
adamc@574 1380 case '\\':
adamc@574 1381 strcpy(s2, "\\\\");
adamc@574 1382 s2 += 2;
adamc@574 1383 break;
adamc@574 1384 default:
adam@1286 1385 if (isprint((int)c) || c >= 128)
adamc@574 1386 *s2++ = c;
adamc@574 1387 else {
adamc@574 1388 sprintf(s2, "\\%3o", c);
adamc@574 1389 s2 += 4;
adamc@574 1390 }
adamc@574 1391 }
adamc@574 1392 }
adamc@574 1393
adamc@574 1394 strcpy(s2, "\"");
adamc@910 1395 ctx->heap.front = s2 + 2;
adamc@574 1396 return r;
adamc@574 1397 }
adamc@574 1398
adam@1286 1399 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1400 unsigned char c = c1;
adamc@1025 1401 char *r, *s2;
adamc@1025 1402
adamc@1025 1403 uw_check_heap(ctx, 6);
adamc@1025 1404
adamc@1025 1405 r = s2 = ctx->heap.front;
adamc@1025 1406 *s2++ = '"';
adamc@1025 1407
adamc@1025 1408 switch (c) {
adamc@1025 1409 case '"':
adamc@1025 1410 strcpy(s2, "\\\"");
adamc@1025 1411 s2 += 2;
adamc@1025 1412 break;
adamc@1027 1413 case '\'':
adamc@1027 1414 strcpy(s2, "\\047");
adamc@1027 1415 s2 += 4;
adamc@1027 1416 break;
adamc@1025 1417 case '\\':
adamc@1025 1418 strcpy(s2, "\\\\");
adamc@1025 1419 s2 += 2;
adamc@1025 1420 break;
adamc@1025 1421 default:
adam@1286 1422 if (isprint((int)c) || c >= 128)
adamc@1025 1423 *s2++ = c;
adamc@1025 1424 else {
adam@1286 1425 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025 1426 s2 += 4;
adamc@1025 1427 }
adamc@1025 1428 }
adamc@1025 1429
adamc@1025 1430 strcpy(s2, "\"");
adamc@1025 1431 ctx->heap.front = s2 + 2;
adamc@1025 1432 return r;
adamc@1025 1433 }
adamc@1025 1434
adamc@574 1435 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1436 char *r, *s2;
adamc@574 1437
adamc@574 1438 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1439
adamc@666 1440 r = s2 = ctx->script.front;
adamc@574 1441 *s2++ = '"';
adamc@574 1442
adamc@574 1443 for (; *s; s++) {
adam@1286 1444 unsigned char c = *s;
adamc@574 1445
adamc@574 1446 switch (c) {
adamc@577 1447 case '\'':
adamc@1027 1448 strcpy(s2, "\\");
adamc@574 1449 s2 += 2;
adamc@574 1450 break;
adamc@574 1451 case '\\':
adamc@574 1452 strcpy(s2, "\\\\");
adamc@574 1453 s2 += 2;
adamc@574 1454 break;
adamc@574 1455 default:
adam@1286 1456 if (isprint((int)c) || c >= 128)
adamc@574 1457 *s2++ = c;
adamc@574 1458 else {
adamc@574 1459 sprintf(s2, "\\%3o", c);
adamc@574 1460 s2 += 4;
adamc@574 1461 }
adamc@574 1462 }
adamc@574 1463 }
adamc@574 1464
adamc@574 1465 strcpy(s2, "\"");
adamc@666 1466 ctx->script.front = s2 + 1;
adamc@574 1467 return r;
adamc@574 1468 }
adamc@574 1469
adamc@682 1470 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1471 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1472 return "null";
adamc@682 1473 else {
adamc@682 1474 int len;
adamc@682 1475 char *r;
adamc@682 1476
adamc@682 1477 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1478 r = ctx->heap.front;
adamc@682 1479 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1480 ctx->heap.front += len+1;
adamc@682 1481 return r;
adamc@682 1482 }
adamc@682 1483 }
adamc@682 1484
adamc@577 1485 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1486 int len;
adamc@577 1487 size_t s_len = strlen(s);
adamc@562 1488
adamc@970 1489 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1490 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1491 ctx->script.front += len;
adamc@666 1492 strcpy(ctx->script.front, s);
adamc@666 1493 ctx->script.front += s_len;
adamc@970 1494 strcpy(ctx->script.front, "));");
adamc@972 1495 ctx->script.front += 3;
adamc@562 1496
adamc@565 1497 return ctx->source_count++;
adamc@117 1498 }
adamc@117 1499
adamc@577 1500 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1501 int len;
adamc@577 1502 size_t s_len = strlen(s);
adamc@577 1503
adamc@970 1504 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1505 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1506 ctx->script.front += len;
adamc@666 1507 strcpy(ctx->script.front, s);
adamc@666 1508 ctx->script.front += s_len;
adamc@970 1509 strcpy(ctx->script.front, "));");
adamc@972 1510 ctx->script.front += 3;
adamc@577 1511
adamc@577 1512 return uw_unit_v;
adamc@577 1513 }
adamc@577 1514
adamc@311 1515 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1516 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1517 }
adamc@117 1518
adamc@311 1519 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1520 *(ctx->page.front)++ = c;
adamc@117 1521 }
adamc@117 1522
adamc@311 1523 void uw_writec(uw_context ctx, char c) {
adamc@311 1524 uw_check(ctx, 1);
adamc@311 1525 uw_writec_unsafe(ctx, c);
adamc@117 1526 }
adamc@117 1527
adamc@311 1528 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1529 int len = strlen(s);
adamc@666 1530 memcpy(ctx->page.front, s, len);
adamc@666 1531 ctx->page.front += len;
adamc@117 1532 }
adamc@117 1533
adamc@311 1534 void uw_write(uw_context ctx, const char* s) {
adamc@311 1535 uw_check(ctx, strlen(s) + 1);
adamc@311 1536 uw_write_unsafe(ctx, s);
adamc@666 1537 *ctx->page.front = 0;
adamc@102 1538 }
adamc@106 1539
adamc@311 1540 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1541 char *result;
adamc@136 1542 int len;
adamc@311 1543 uw_check_heap(ctx, INTS_MAX);
adamc@666 1544 result = ctx->heap.front;
adamc@276 1545 sprintf(result, "%lld%n", n, &len);
adamc@666 1546 ctx->heap.front += len+1;
adamc@136 1547 return result;
adamc@106 1548 }
adamc@106 1549
adamc@311 1550 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1551 char *result;
adamc@136 1552 int len;
adamc@311 1553 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1554 result = ctx->heap.front;
adamc@136 1555 sprintf(result, "%g%n", n, &len);
adamc@666 1556 ctx->heap.front += len+1;
adamc@136 1557 return result;
adamc@106 1558 }
adamc@106 1559
adamc@311 1560 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1561 int len = strlen(s);
adamc@136 1562 char *result, *p;
adamc@311 1563 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1564
adamc@666 1565 result = p = ctx->heap.front;
adamc@136 1566
adamc@136 1567 for (; *s; s++) {
adamc@1054 1568 unsigned char c = *s;
adamc@136 1569
adamc@136 1570 if (c == '"') {
adamc@136 1571 strcpy(p, "&quot;");
adamc@136 1572 p += 6;
adamc@136 1573 } else if (c == '&') {
adamc@136 1574 strcpy(p, "&amp;");
adamc@136 1575 p += 5;
adamc@136 1576 }
adamc@1059 1577 else
adamc@136 1578 *p++ = c;
adamc@136 1579 }
adamc@136 1580
adamc@137 1581 *p++ = 0;
adamc@666 1582 ctx->heap.front = p;
adamc@136 1583 return result;
adamc@106 1584 }
adamc@106 1585
adamc@1011 1586 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1587 char *result, *p;
adamc@1011 1588 uw_check_heap(ctx, 7);
adamc@1011 1589
adamc@1011 1590 result = p = ctx->heap.front;
adamc@1011 1591
adamc@1011 1592 if (c == '"') {
adamc@1011 1593 strcpy(p, "&quot;");
adamc@1011 1594 p += 6;
adamc@1011 1595 } else if (c == '&') {
adamc@1011 1596 strcpy(p, "&amp;");
adamc@1011 1597 p += 5;
adamc@1011 1598 }
adamc@1059 1599 else
adamc@1011 1600 *p++ = c;
adamc@1011 1601
adamc@1011 1602 *p++ = 0;
adamc@1011 1603 ctx->heap.front = p;
adamc@1011 1604 return result;
adamc@1011 1605 }
adamc@1011 1606
adamc@721 1607 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1608 return s;
adamc@721 1609 }
adamc@721 1610
adamc@311 1611 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1612 int len;
adamc@117 1613
adamc@666 1614 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1615 ctx->page.front += len;
adamc@106 1616 }
adamc@106 1617
adamc@428 1618 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1619 uw_check(ctx, INTS_MAX);
adamc@311 1620 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1621
adamc@428 1622 return uw_unit_v;
adamc@106 1623 }
adamc@106 1624
adamc@428 1625 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1626 int len;
adamc@117 1627
adamc@311 1628 uw_check(ctx, FLOATS_MAX);
adamc@666 1629 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1630 ctx->page.front += len;
adamc@428 1631
adamc@428 1632 return uw_unit_v;
adamc@117 1633 }
adamc@117 1634
adamc@428 1635 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1636 uw_check(ctx, strlen(s) * 6);
adamc@117 1637
adamc@106 1638 for (; *s; s++) {
adamc@1054 1639 unsigned char c = *s;
adamc@106 1640
adamc@106 1641 if (c == '"')
adamc@311 1642 uw_write_unsafe(ctx, "&quot;");
adamc@136 1643 else if (c == '&')
adamc@311 1644 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1645 else
adamc@311 1646 uw_writec_unsafe(ctx, c);
adamc@106 1647 }
adamc@428 1648
adamc@428 1649 return uw_unit_v;
adamc@106 1650 }
adamc@120 1651
adamc@1011 1652 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1653 uw_check(ctx, 6);
adamc@1011 1654
adamc@1011 1655 if (c == '"')
adamc@1011 1656 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1657 else if (c == '&')
adamc@1011 1658 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1659 else
adamc@1011 1660 uw_writec_unsafe(ctx, c);
adamc@1011 1661
adamc@1011 1662 return uw_unit_v;
adamc@1011 1663 }
adamc@1011 1664
adamc@120 1665
adamc@311 1666 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1667 int len;
adamc@137 1668 char *r;
adamc@137 1669
adamc@311 1670 uw_check_heap(ctx, INTS_MAX);
adamc@666 1671 r = ctx->heap.front;
adamc@276 1672 sprintf(r, "%lld%n", n, &len);
adamc@666 1673 ctx->heap.front += len+1;
adamc@137 1674 return r;
adamc@120 1675 }
adamc@120 1676
adamc@682 1677 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1678 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1679 return "";
adamc@682 1680 else {
adamc@682 1681 int len;
adamc@682 1682 char *r;
adamc@679 1683
adamc@682 1684 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1685 r = ctx->heap.front;
adamc@682 1686 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1687 ctx->heap.front += len+1;
adamc@682 1688 return r;
adamc@682 1689 }
adamc@679 1690 }
adamc@679 1691
adamc@311 1692 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1693 int len;
adamc@137 1694 char *r;
adamc@137 1695
adamc@311 1696 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1697 r = ctx->heap.front;
adamc@137 1698 sprintf(r, "%g%n", n, &len);
adamc@666 1699 ctx->heap.front += len+1;
adamc@137 1700 return r;
adamc@120 1701 }
adamc@120 1702
adamc@311 1703 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1704 char *r, *p;
adamc@137 1705
adamc@925 1706 if (s[0] == '\0')
adamc@925 1707 return "_";
adamc@925 1708
adamc@925 1709 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1710
adamc@925 1711 r = p = ctx->heap.front;
adamc@925 1712 if (s[0] == '_')
adamc@925 1713 *p++ = '_';
adamc@925 1714
adamc@925 1715 for (; *s; s++) {
adamc@1087 1716 unsigned char c = *s;
adamc@137 1717
adamc@137 1718 if (c == ' ')
adamc@137 1719 *p++ = '+';
adamc@137 1720 else if (isalnum(c))
adamc@137 1721 *p++ = c;
adamc@137 1722 else {
adamc@1259 1723 sprintf(p, ".%02X", c);
adamc@137 1724 p += 3;
adamc@137 1725 }
adamc@137 1726 }
adamc@137 1727
adamc@137 1728 *p++ = 0;
adamc@666 1729 ctx->heap.front = p;
adamc@137 1730 return r;
adamc@120 1731 }
adamc@120 1732
adamc@311 1733 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1734 if (b == uw_Basis_False)
adamc@186 1735 return "0";
adamc@186 1736 else
adamc@186 1737 return "1";
adamc@186 1738 }
adamc@186 1739
adamc@311 1740 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1741 int len;
adamc@120 1742
adamc@666 1743 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1744 ctx->page.front += len;
adamc@120 1745 }
adamc@120 1746
adamc@428 1747 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1748 uw_check(ctx, INTS_MAX);
adamc@311 1749 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1750
adamc@428 1751 return uw_unit_v;
adamc@120 1752 }
adamc@120 1753
adamc@682 1754 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1755 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1756 int len;
adamc@682 1757
adamc@682 1758 uw_check(ctx, INTS_MAX + 1);
adamc@682 1759 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1760 ctx->page.front += len;
adamc@682 1761 }
adamc@682 1762
adamc@679 1763 return uw_unit_v;
adamc@679 1764 }
adamc@679 1765
adamc@428 1766 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1767 int len;
adamc@120 1768
adamc@311 1769 uw_check(ctx, FLOATS_MAX);
adamc@666 1770 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1771 ctx->page.front += len;
adamc@428 1772
adamc@428 1773 return uw_unit_v;
adamc@120 1774 }
adamc@120 1775
adamc@488 1776 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1777 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1778 }
adamc@488 1779
adamc@428 1780 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1781 if (s[0] == '\0') {
adamc@925 1782 uw_check(ctx, 1);
adamc@925 1783 uw_writec_unsafe(ctx, '_');
adamc@925 1784 return uw_unit_v;
adamc@925 1785 }
adamc@925 1786
adamc@925 1787 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1788
adamc@925 1789 if (s[0] == '_')
adamc@925 1790 uw_writec_unsafe(ctx, '_');
adamc@120 1791
adamc@120 1792 for (; *s; s++) {
adamc@1087 1793 unsigned char c = *s;
adamc@120 1794
adamc@120 1795 if (c == ' ')
adamc@311 1796 uw_writec_unsafe(ctx, '+');
adamc@120 1797 else if (isalnum(c))
adamc@311 1798 uw_writec_unsafe(ctx, c);
adamc@120 1799 else {
adamc@1259 1800 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1801 ctx->page.front += 3;
adamc@120 1802 }
adamc@120 1803 }
adamc@428 1804
adamc@428 1805 return uw_unit_v;
adamc@120 1806 }
adamc@120 1807
adamc@428 1808 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1809 if (b == uw_Basis_False)
adamc@311 1810 uw_writec(ctx, '0');
adamc@186 1811 else
adamc@311 1812 uw_writec(ctx, '1');
adamc@428 1813
adamc@428 1814 return uw_unit_v;
adamc@186 1815 }
adamc@186 1816
adamc@120 1817
adamc@311 1818 static char *uw_unurlify_advance(char *s) {
adamc@144 1819 char *new_s = strchr(s, '/');
adamc@120 1820
adamc@120 1821 if (new_s)
adamc@120 1822 *new_s++ = 0;
adamc@120 1823 else
adamc@144 1824 new_s = strchr(s, 0);
adamc@144 1825
adamc@144 1826 return new_s;
adamc@144 1827 }
adamc@144 1828
adamc@311 1829 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1830 char *new_s = uw_unurlify_advance(*s);
adamc@311 1831 uw_Basis_int r;
adamc@120 1832
adamc@276 1833 r = atoll(*s);
adamc@120 1834 *s = new_s;
adamc@120 1835 return r;
adamc@120 1836 }
adamc@120 1837
adamc@311 1838 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1839 char *new_s = uw_unurlify_advance(*s);
adamc@311 1840 uw_Basis_float r;
adamc@120 1841
adamc@120 1842 r = atof(*s);
adamc@120 1843 *s = new_s;
adamc@120 1844 return r;
adamc@120 1845 }
adamc@120 1846
adamc@488 1847 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1848 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1849 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1850 return r;
adamc@488 1851 }
adamc@488 1852
adamc@1023 1853 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1854 char *s1, *s2 = s;
adamc@144 1855 int n;
adamc@136 1856
adamc@1023 1857 if (!fromClient) {
adamc@1023 1858 if (*s2 == '_')
adamc@1023 1859 ++s2;
adamc@1259 1860 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1861 s2 += 3;
adamc@1023 1862 }
adamc@925 1863
adamc@927 1864 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1865 unsigned char c = *s2;
adamc@136 1866
adamc@136 1867 switch (c) {
adamc@136 1868 case '+':
adamc@136 1869 *s1 = ' ';
adamc@136 1870 break;
adamc@136 1871 case '%':
adamc@169 1872 if (s2[1] == 0)
adamc@311 1873 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1874 if (s2[2] == 0)
adamc@311 1875 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1876 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1877 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1878 *s1 = n;
adamc@136 1879 s2 += 2;
adamc@136 1880 break;
adamc@1259 1881 case '.':
adamc@1259 1882 if (!fromClient) {
adamc@1259 1883 if (s2[1] == 0)
adamc@1259 1884 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1885 if (s2[2] == 0)
adamc@1259 1886 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1887 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1888 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1889 *s1 = n;
adamc@1259 1890 s2 += 2;
adamc@1259 1891 break;
adamc@1259 1892 }
adamc@136 1893 default:
adamc@136 1894 *s1 = c;
adamc@136 1895 }
adamc@136 1896 }
adamc@136 1897 *s1++ = 0;
adamc@144 1898 return s1;
adamc@144 1899 }
adamc@144 1900
adamc@311 1901 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1902 char *new_s = uw_unurlify_advance(*s);
adamc@311 1903 uw_Basis_bool r;
adamc@186 1904
adamc@186 1905 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1906 r = uw_Basis_False;
adamc@186 1907 else
adamc@311 1908 r = uw_Basis_True;
adamc@186 1909
adamc@186 1910 *s = new_s;
adamc@186 1911 return r;
adamc@186 1912 }
adamc@186 1913
adamc@311 1914 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1915 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1916 char *r;
adamc@1134 1917 int len;
adamc@144 1918
adamc@200 1919 len = strlen(*s);
adamc@311 1920 uw_check_heap(ctx, len + 1);
adamc@144 1921
adamc@666 1922 r = ctx->heap.front;
adamc@1023 1923 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1924 *s = new_s;
adamc@1023 1925 return r;
adamc@1023 1926 }
adamc@1023 1927
adamc@1109 1928 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1929 *s = uw_unurlify_advance(*s);
adamc@1109 1930 return uw_unit_v;
adamc@1109 1931 }
adamc@1109 1932
adamc@1023 1933 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1934 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1935 char *r;
adamc@1134 1936 int len;
adamc@1023 1937
adamc@1023 1938 len = strlen(*s);
adamc@1023 1939 uw_check_heap(ctx, len + 1);
adamc@1023 1940
adamc@1023 1941 r = ctx->heap.front;
adamc@1023 1942 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1943 *s = new_s;
adamc@136 1944 return r;
adamc@120 1945 }
adamc@135 1946
adamc@135 1947
adamc@311 1948 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1949 int len;
adamc@286 1950 char *r;
adamc@286 1951
adamc@311 1952 uw_check_heap(ctx, INTS_MAX);
adamc@666 1953 r = ctx->heap.front;
adamc@286 1954 sprintf(r, "%lld%n", n, &len);
adamc@666 1955 ctx->heap.front += len+1;
adamc@286 1956 return r;
adamc@286 1957 }
adamc@286 1958
adamc@428 1959 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1960 int len;
adamc@286 1961
adamc@311 1962 uw_check(ctx, INTS_MAX);
adamc@666 1963 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1964 ctx->page.front += len;
adamc@428 1965
adamc@428 1966 return uw_unit_v;
adamc@286 1967 }
adamc@286 1968
adam@1358 1969 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1970 unsigned int n = ch;
adam@1358 1971 int len;
adam@1358 1972 char *r;
adam@1358 1973
adam@1358 1974 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1975 r = ctx->heap.front;
adam@1358 1976 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1977 ctx->heap.front += len+1;
adam@1358 1978 return r;
adam@1358 1979 }
adam@1358 1980
adam@1358 1981 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1982 unsigned int n = ch;
adam@1358 1983 int len;
adam@1358 1984
adam@1358 1985 uw_check(ctx, INTS_MAX+3);
adam@1358 1986 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1987 ctx->page.front += len;
adam@1358 1988 return uw_unit_v;
adam@1358 1989 }
adam@1358 1990
adamc@311 1991 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1992 int len;
adamc@286 1993 char *r;
adamc@286 1994
adamc@311 1995 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1996 r = ctx->heap.front;
adamc@286 1997 sprintf(r, "%g%n", n, &len);
adamc@666 1998 ctx->heap.front += len+1;
adamc@286 1999 return r;
adamc@286 2000 }
adamc@286 2001
adamc@428 2002 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2003 int len;
adamc@286 2004
adamc@311 2005 uw_check(ctx, FLOATS_MAX);
adamc@666 2006 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2007 ctx->page.front += len;
adamc@428 2008
adamc@428 2009 return uw_unit_v;
adamc@286 2010 }
adamc@286 2011
adam@1365 2012 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2013 int len;
adam@1360 2014 char *r;
adam@1360 2015
adam@1360 2016 uw_check_heap(ctx, INTS_MAX);
adam@1360 2017 r = ctx->heap.front;
adam@1365 2018 sprintf(r, "%lld%n", (uw_Basis_int)(t.seconds * 1000000 + t.microseconds), &len);
adam@1360 2019 ctx->heap.front += len+1;
adam@1360 2020 return r;
adam@1360 2021 }
adam@1360 2022
adam@1365 2023 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2024 int len;
adam@1360 2025
adam@1360 2026 uw_check(ctx, INTS_MAX);
adam@1360 2027 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2028 ctx->page.front += len;
adam@1360 2029
adam@1360 2030 return uw_unit_v;
adam@1360 2031 }
adam@1360 2032
adamc@311 2033 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 2034 char *r, *s2;
adamc@137 2035
adamc@311 2036 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2037
adamc@666 2038 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2039 unsigned char c = *s;
adamc@137 2040
adamc@137 2041 switch (c) {
adamc@137 2042 case '<':
adamc@137 2043 strcpy(s2, "&lt;");
adamc@137 2044 s2 += 4;
adamc@137 2045 break;
adamc@137 2046 case '&':
adamc@137 2047 strcpy(s2, "&amp;");
adamc@137 2048 s2 += 5;
adamc@137 2049 break;
adamc@137 2050 default:
adamc@1059 2051 *s2++ = c;
adamc@137 2052 }
adamc@137 2053 }
adamc@137 2054
adamc@137 2055 *s2++ = 0;
adamc@666 2056 ctx->heap.front = s2;
adamc@137 2057 return r;
adamc@135 2058 }
adamc@135 2059
adamc@428 2060 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2061 uw_check(ctx, strlen(s) * 6);
adamc@135 2062
adamc@135 2063 for (; *s; s++) {
adamc@1054 2064 unsigned char c = *s;
adamc@135 2065
adamc@135 2066 switch (c) {
adamc@135 2067 case '<':
adamc@311 2068 uw_write_unsafe(ctx, "&lt;");
adamc@135 2069 break;
adamc@135 2070 case '&':
adamc@311 2071 uw_write_unsafe(ctx, "&amp;");
adamc@135 2072 break;
adamc@135 2073 default:
adamc@1059 2074 uw_writec_unsafe(ctx, c);
adamc@135 2075 }
adamc@135 2076 }
adamc@428 2077
adamc@428 2078 return uw_unit_v;
adamc@135 2079 }
adamc@180 2080
adamc@311 2081 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2082 if (b == uw_Basis_False)
adamc@286 2083 return "False";
adamc@286 2084 else
adamc@286 2085 return "True";
adamc@286 2086 }
adamc@286 2087
adamc@428 2088 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2089 if (b == uw_Basis_False) {
adamc@311 2090 uw_check(ctx, 6);
adamc@666 2091 strcpy(ctx->page.front, "False");
adamc@666 2092 ctx->page.front += 5;
adamc@286 2093 } else {
adamc@311 2094 uw_check(ctx, 5);
adamc@666 2095 strcpy(ctx->page.front, "True");
adamc@666 2096 ctx->page.front += 4;
adamc@286 2097 }
adamc@428 2098
adamc@428 2099 return uw_unit_v;
adamc@286 2100 }
adamc@286 2101
adamc@436 2102 #define TIME_FMT "%x %X"
adamc@438 2103 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2104
adamc@436 2105 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2106 size_t len;
adamc@436 2107 char *r;
adamc@436 2108 struct tm stm;
adamc@436 2109
adam@1365 2110 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2111 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2112 r = ctx->heap.front;
adamc@436 2113 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2114 ctx->heap.front += len+1;
adamc@436 2115 return r;
adamc@436 2116 } else
adamc@436 2117 return "<i>Invalid time</i>";
adamc@436 2118 }
adamc@436 2119
adamc@436 2120 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2121 size_t len;
adamc@436 2122 char *r;
adamc@436 2123 struct tm stm;
adamc@436 2124
adam@1365 2125 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2126 uw_check(ctx, TIMES_MAX);
adamc@666 2127 r = ctx->page.front;
adamc@436 2128 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2129 ctx->page.front += len;
adamc@436 2130 } else {
adamc@436 2131 uw_check(ctx, 20);
adamc@666 2132 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2133 ctx->page.front += 19;
adamc@436 2134 }
adamc@436 2135
adamc@436 2136 return uw_unit_v;
adamc@436 2137 }
adamc@436 2138
adamc@821 2139 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2140 if (n >= 0 && n < strlen(s))
adamc@821 2141 return s[n];
adamc@821 2142 else
adamc@821 2143 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 2144 }
adamc@821 2145
adamc@821 2146 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2147 if (n >= 0 && n < strlen(s))
adamc@821 2148 return &s[n];
adamc@821 2149 else
adamc@821 2150 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 2151 }
adamc@821 2152
adamc@828 2153 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2154 return strlen(s);
adamc@828 2155 }
adamc@828 2156
adamc@829 2157 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2158 return strchr(s, ch);
adamc@829 2159 }
adamc@829 2160
adamc@831 2161 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2162 return strcspn(s, chs);
adamc@831 2163 }
adamc@831 2164
adamc@829 2165 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2166 uw_Basis_string r = strchr(s, ch);
adamc@829 2167 if (r == NULL)
adamc@829 2168 return NULL;
adamc@829 2169 else {
adamc@829 2170 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2171 *nr = r - s;
adamc@829 2172 return nr;
adamc@829 2173 }
adamc@829 2174 }
adamc@829 2175
adamc@311 2176 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2177 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2178 char *s;
adamc@180 2179
adamc@311 2180 uw_check_heap(ctx, len);
adamc@180 2181
adamc@666 2182 s = ctx->heap.front;
adamc@180 2183
adamc@180 2184 strcpy(s, s1);
adamc@180 2185 strcat(s, s2);
adamc@666 2186 ctx->heap.front += len;
adamc@180 2187
adamc@180 2188 return s;
adamc@180 2189 }
adamc@278 2190
adamc@829 2191 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2192 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2193
adamc@829 2194 if (start < 0)
adamc@829 2195 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2196 if (len < 0)
adamc@829 2197 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2198 if (start + len > full_len)
adamc@829 2199 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2200
adamc@829 2201 if (start + len == full_len)
adamc@829 2202 return &s[start];
adamc@829 2203 else {
adamc@829 2204 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2205 memcpy(r, s+start, len);
adamc@829 2206 r[len] = 0;
adamc@829 2207 return r;
adamc@829 2208 }
adamc@829 2209
adamc@829 2210 }
adamc@829 2211
adamc@1023 2212 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2213 char *r;
adamc@1023 2214
adamc@1023 2215 uw_check_heap(ctx, 2);
adamc@1023 2216 r = ctx->heap.front;
adamc@1023 2217 r[0] = ch;
adamc@1023 2218 r[1] = 0;
adamc@1023 2219
adamc@1023 2220 ctx->heap.front += 2;
adamc@1023 2221
adamc@1023 2222 return r;
adamc@1023 2223 }
adamc@1023 2224
adamc@737 2225 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2226 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2227 char *s;
adamc@278 2228
adamc@311 2229 uw_check_heap(ctx, len);
adamc@278 2230
adamc@666 2231 s = ctx->heap.front;
adamc@278 2232
adamc@278 2233 strcpy(s, s1);
adamc@666 2234 ctx->heap.front += len;
adamc@278 2235
adamc@278 2236 return s;
adamc@278 2237 }
adamc@280 2238
adam@1295 2239 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2240 if (ctx->error_message[0]) {
adam@1295 2241 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2242 ctx->error_message[0] = 0;
adam@1295 2243 return s;
adam@1295 2244 } else
adam@1295 2245 return NULL;
adam@1295 2246 }
adam@1295 2247
adamc@737 2248 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2249 if (s1)
adamc@737 2250 return uw_strdup(ctx, s1);
adamc@493 2251 else
adamc@493 2252 return NULL;
adamc@493 2253 }
adamc@493 2254
adamc@742 2255 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2256 char *r = uw_malloc(ctx, len);
adamc@742 2257 memcpy(r, p, len);
adamc@742 2258 return r;
adamc@742 2259 }
adamc@280 2260
adamc@879 2261 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2262
adamc@311 2263 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2264 int len;
adamc@281 2265 char *r;
adamc@281 2266
adamc@311 2267 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2268 r = ctx->heap.front;
adamc@879 2269 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2270 ctx->heap.front += len+1;
adamc@281 2271 return r;
adamc@281 2272 }
adamc@281 2273
adamc@467 2274 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2275 if (n == NULL)
adamc@467 2276 return "NULL";
adamc@467 2277 else
adamc@467 2278 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2279 }
adamc@467 2280
adamc@879 2281 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2282
adamc@311 2283 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2284 int len;
adamc@281 2285 char *r;
adamc@281 2286
adamc@311 2287 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2288 r = ctx->heap.front;
adamc@879 2289 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2290 ctx->heap.front += len+1;
adamc@281 2291 return r;
adamc@281 2292 }
adamc@281 2293
adamc@467 2294 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2295 if (n == NULL)
adamc@467 2296 return "NULL";
adamc@467 2297 else
adamc@467 2298 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2299 }
adamc@467 2300
adamc@879 2301 int uw_Estrings = 1;
adamc@879 2302 char *uw_sqlsuffixString = "::text";
adamc@1011 2303 char *uw_sqlsuffixChar = "::char";
adamc@281 2304
adamc@311 2305 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2306 char *r, *s2;
adamc@280 2307
adamc@879 2308 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2309
adamc@666 2310 r = s2 = ctx->heap.front;
adamc@879 2311 if (uw_Estrings)
adamc@879 2312 *s2++ = 'E';
adamc@280 2313 *s2++ = '\'';
adamc@280 2314
adamc@280 2315 for (; *s; s++) {
adamc@280 2316 char c = *s;
adamc@280 2317
adamc@280 2318 switch (c) {
adamc@280 2319 case '\'':
adamc@885 2320 if (uw_Estrings)
adamc@885 2321 strcpy(s2, "\\'");
adamc@885 2322 else
adamc@885 2323 strcpy(s2, "''");
adamc@280 2324 s2 += 2;
adamc@280 2325 break;
adamc@280 2326 case '\\':
adamc@885 2327 if (uw_Estrings) {
adamc@885 2328 strcpy(s2, "\\\\");
adamc@885 2329 s2 += 2;
adamc@885 2330 } else
adamc@885 2331 *s2++ = '\\';
adamc@280 2332 break;
adamc@280 2333 default:
adamc@1150 2334 if (isprint((int)c))
adamc@280 2335 *s2++ = c;
adamc@879 2336 else if (uw_Estrings) {
adamc@737 2337 sprintf(s2, "\\%03o", c);
adamc@280 2338 s2 += 4;
adamc@280 2339 }
adamc@879 2340 else
adamc@879 2341 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2342 }
adamc@280 2343 }
adamc@280 2344
adamc@879 2345 *s2++ = '\'';
adamc@879 2346 strcpy(s2, uw_sqlsuffixString);
adamc@879 2347 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2348 return r;
adamc@280 2349 }
adamc@281 2350
adamc@1011 2351 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2352 char *r, *s2;
adamc@1011 2353
adamc@1011 2354 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2355
adamc@1011 2356 r = s2 = ctx->heap.front;
adamc@1011 2357 if (uw_Estrings)
adamc@1011 2358 *s2++ = 'E';
adamc@1011 2359 *s2++ = '\'';
adamc@1011 2360
adamc@1011 2361 switch (c) {
adamc@1011 2362 case '\'':
adamc@1011 2363 if (uw_Estrings)
adamc@1011 2364 strcpy(s2, "\\'");
adamc@1011 2365 else
adamc@1011 2366 strcpy(s2, "''");
adamc@1011 2367 s2 += 2;
adamc@1011 2368 break;
adamc@1011 2369 case '\\':
adamc@1011 2370 if (uw_Estrings) {
adamc@1011 2371 strcpy(s2, "\\\\");
adamc@1011 2372 s2 += 2;
adamc@1011 2373 } else
adamc@1011 2374 *s2++ = '\\';
adamc@1011 2375 break;
adamc@1011 2376 default:
adamc@1150 2377 if (isprint((int)c))
adamc@1011 2378 *s2++ = c;
adamc@1011 2379 else if (uw_Estrings) {
adamc@1011 2380 sprintf(s2, "\\%03o", c);
adamc@1011 2381 s2 += 4;
adamc@1011 2382 }
adamc@1011 2383 else
adamc@1011 2384 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2385 }
adamc@1011 2386
adamc@1011 2387 *s2++ = '\'';
adamc@1011 2388 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2389 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2390 return r;
adamc@1011 2391 }
adamc@1011 2392
adamc@879 2393 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2394
adamc@737 2395 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2396 char *r, *s2;
adamc@737 2397 size_t i;
adamc@737 2398
adamc@879 2399 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2400
adamc@737 2401 r = s2 = ctx->heap.front;
adamc@879 2402 if (uw_Estrings)
adamc@879 2403 *s2++ = 'E';
adamc@737 2404 *s2++ = '\'';
adamc@737 2405
adamc@737 2406 for (i = 0; i < b.size; ++i) {
adamc@737 2407 char c = b.data[i];
adamc@737 2408
adamc@737 2409 switch (c) {
adamc@737 2410 case '\'':
adamc@885 2411 if (uw_Estrings)
adamc@885 2412 strcpy(s2, "\\'");
adamc@885 2413 else
adamc@885 2414 strcpy(s2, "''");
adamc@737 2415 s2 += 2;
adamc@737 2416 break;
adamc@737 2417 case '\\':
adamc@885 2418 if (uw_Estrings) {
adamc@885 2419 strcpy(s2, "\\\\\\\\");
adamc@885 2420 s2 += 4;
adamc@885 2421 } else
adamc@885 2422 *s2++ = '\\';
adamc@737 2423 break;
adamc@737 2424 default:
adamc@1150 2425 if (isprint((int)c))
adamc@737 2426 *s2++ = c;
adamc@879 2427 else if (uw_Estrings) {
adamc@737 2428 sprintf(s2, "\\\\%03o", c);
adamc@737 2429 s2 += 5;
adamc@737 2430 }
adamc@879 2431 else
adamc@879 2432 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2433 }
adamc@737 2434 }
adamc@737 2435
adamc@879 2436 *s2++ = '\'';
adamc@879 2437 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2438 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2439 return r;
adamc@737 2440 }
adamc@737 2441
adamc@682 2442 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2443 int len;
adamc@682 2444 char *r;
adamc@682 2445 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2446
adamc@682 2447 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2448 r = ctx->heap.front;
adamc@879 2449 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2450 ctx->heap.front += len+1;
adamc@682 2451 return r;
adamc@682 2452 }
adamc@682 2453
adamc@682 2454 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2455 int len;
adamc@682 2456 char *r;
adamc@682 2457 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2458
adamc@682 2459 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2460 r = ctx->heap.front;
adamc@682 2461 sprintf(r, "%lld%n", combo, &len);
adamc@682 2462 ctx->heap.front += len+1;
adamc@682 2463 return r;
adamc@682 2464 }
adamc@682 2465
adamc@879 2466 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2467
adamc@682 2468 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2469 int len;
adamc@682 2470 char *r;
adamc@682 2471
adamc@682 2472 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2473 r = ctx->heap.front;
adamc@879 2474 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2475 ctx->heap.front += len+1;
adamc@682 2476 return r;
adamc@682 2477 }
adamc@682 2478
adamc@682 2479 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2480 int len;
adamc@682 2481 char *r;
adamc@682 2482
adamc@682 2483 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2484 r = ctx->heap.front;
adamc@682 2485 sprintf(r, "%u%n", cli, &len);
adamc@682 2486 ctx->heap.front += len+1;
adamc@682 2487 return r;
adamc@682 2488 }
adamc@682 2489
adamc@467 2490 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2491 if (s == NULL)
adamc@467 2492 return "NULL";
adamc@467 2493 else
adamc@467 2494 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2495 }
adamc@467 2496
adamc@311 2497 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2498 if (b == uw_Basis_False)
adamc@281 2499 return "FALSE";
adamc@281 2500 else
adamc@281 2501 return "TRUE";
adamc@281 2502 }
adamc@282 2503
adamc@467 2504 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2505 if (b == NULL)
adamc@467 2506 return "NULL";
adamc@467 2507 else
adamc@467 2508 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2509 }
adamc@467 2510
adamc@439 2511 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2512 size_t len;
adamc@682 2513 char *r, *s;
adamc@682 2514 struct tm stm;
adamc@682 2515
adam@1365 2516 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2517 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2518 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2519 if (t.microseconds) {
adam@1367 2520 r = uw_malloc(ctx, len + 21);
adam@1367 2521 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2522 } else {
adam@1367 2523 r = uw_malloc(ctx, len + 14);
adam@1367 2524 sprintf(r, "'%s'::timestamp", s);
adam@1367 2525 }
adamc@682 2526 return r;
adamc@682 2527 } else
adamc@682 2528 return "<Invalid time>";
adamc@682 2529 }
adamc@682 2530
adamc@682 2531 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2532 size_t len;
adamc@439 2533 char *r;
adamc@439 2534 struct tm stm;
adamc@439 2535
adam@1365 2536 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2537 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2538 r = ctx->heap.front;
adamc@439 2539 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2540 ctx->heap.front += len+1;
adamc@439 2541 return r;
adamc@439 2542 } else
adamc@439 2543 return "<Invalid time>";
adamc@439 2544 }
adamc@439 2545
adam@1364 2546 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2547 size_t len;
adam@1364 2548 char *r;
adam@1364 2549 struct tm stm;
adam@1364 2550
adam@1365 2551 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2552 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2553 r = ctx->heap.front;
adam@1365 2554 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2555 ctx->heap.front += len;
adam@1365 2556 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2557 ctx->heap.front += 8;
adam@1364 2558 return r;
adam@1364 2559 } else
adam@1364 2560 return "<Invalid time>";
adam@1364 2561 }
adam@1364 2562
adamc@467 2563 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2564 if (t == NULL)
adamc@467 2565 return "NULL";
adamc@467 2566 else
adamc@467 2567 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2568 }
adamc@467 2569
adamc@311 2570 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2571 static uw_Basis_int true = 1;
adamc@311 2572 static uw_Basis_int false = 0;
adamc@282 2573
adamc@311 2574 if (b == uw_Basis_False)
adamc@282 2575 return (char *)&false;
adamc@282 2576 else
adamc@282 2577 return (char *)&true;
adamc@282 2578 }
adamc@284 2579
adamc@311 2580 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2581 int len;
adamc@284 2582 char *r;
adamc@284 2583
adamc@311 2584 uw_check_heap(ctx, INTS_MAX);
adamc@666 2585 r = ctx->heap.front;
adamc@284 2586 sprintf(r, "%lld%n", n, &len);
adamc@666 2587 ctx->heap.front += len+1;
adamc@284 2588 return r;
adamc@284 2589 }
adamc@285 2590
adamc@311 2591 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2592 int len;
adamc@285 2593 char *r;
adamc@285 2594
adamc@311 2595 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2596 r = ctx->heap.front;
adamc@285 2597 sprintf(r, "%g%n", n, &len);
adamc@666 2598 ctx->heap.front += len+1;
adamc@285 2599 return r;
adamc@285 2600 }
adamc@285 2601
adamc@821 2602 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2603 char *r = uw_malloc(ctx, 2);
adamc@821 2604 r[0] = ch;
adamc@821 2605 r[1] = 0;
adamc@821 2606 return r;
adamc@821 2607 }
adamc@821 2608
adamc@311 2609 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2610 if (b == uw_Basis_False)
adamc@285 2611 return "False";
adamc@285 2612 else
adamc@285 2613 return "True";
adamc@285 2614 }
adamc@288 2615
adamc@436 2616 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2617 size_t len;
adamc@436 2618 char *r;
adamc@436 2619 struct tm stm;
adamc@436 2620
adam@1365 2621 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2622 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2623 r = ctx->heap.front;
adamc@436 2624 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2625 ctx->heap.front += len+1;
adamc@436 2626 return r;
adamc@436 2627 } else
adamc@436 2628 return "<Invalid time>";
adamc@436 2629 }
adamc@288 2630
adam@1359 2631 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2632 size_t len;
adam@1352 2633 char *r;
adam@1352 2634 struct tm stm;
adam@1352 2635
adam@1365 2636 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2637 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2638 r = ctx->heap.front;
adam@1352 2639 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2640 ctx->heap.front += len+1;
adam@1352 2641 return r;
adam@1352 2642 } else
adam@1352 2643 return "<Invalid time>";
adam@1352 2644 }
adam@1352 2645
adamc@311 2646 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2647 char *endptr;
adamc@311 2648 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2649
adamc@288 2650 if (*s != '\0' && *endptr == '\0') {
adamc@311 2651 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2652 *r = n;
adamc@288 2653 return r;
adamc@288 2654 } else
adamc@288 2655 return NULL;
adamc@288 2656 }
adamc@289 2657
adamc@311 2658 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2659 char *endptr;
adamc@311 2660 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2661
adamc@289 2662 if (*s != '\0' && *endptr == '\0') {
adamc@311 2663 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2664 *r = n;
adamc@289 2665 return r;
adamc@289 2666 } else
adamc@289 2667 return NULL;
adamc@289 2668 }
adamc@289 2669
adamc@821 2670 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2671 if (s[0] == 0) {
adamc@821 2672 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2673 r[0] = 0;
adamc@821 2674 return r;
adamc@821 2675 } else if (s[1] != 0)
adamc@821 2676 return NULL;
adamc@821 2677 else {
adamc@821 2678 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2679 r[0] = s[0];
adamc@821 2680 return r;
adamc@821 2681 }
adamc@821 2682 }
adamc@821 2683
adamc@311 2684 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2685 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2686 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2687
adamc@289 2688 if (!strcasecmp (s, "True"))
adamc@289 2689 return &true;
adamc@289 2690 else if (!strcasecmp (s, "False"))
adamc@289 2691 return &false;
adamc@289 2692 else
adamc@289 2693 return NULL;
adamc@289 2694 }
adamc@292 2695
adamc@436 2696 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2697 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2698 struct tm stm = {};
adamc@436 2699
adamc@439 2700 if (dot) {
adamc@439 2701 *dot = 0;
adamc@439 2702 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2703 *dot = '.';
adamc@439 2704 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2705 r->seconds = mktime(&stm);
adam@1365 2706 r->microseconds = 0;
adamc@439 2707 return r;
adamc@439 2708 }
adamc@439 2709 else {
adamc@439 2710 *dot = '.';
adamc@439 2711 return NULL;
adamc@439 2712 }
adamc@436 2713 }
adamc@439 2714 else {
adamc@439 2715 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2716 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2717 r->seconds = mktime(&stm);
adam@1365 2718 r->microseconds = 0;
adamc@439 2719 return r;
adamc@439 2720 }
adamc@439 2721 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2722 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2723 r->seconds = mktime(&stm);
adam@1365 2724 r->microseconds = 0;
adamc@439 2725 return r;
adamc@439 2726 }
adamc@439 2727 else
adamc@439 2728 return NULL;
adamc@439 2729 }
adamc@436 2730 }
adamc@436 2731
adam@1352 2732 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2733 char *end = strchr(s, 0);
adam@1374 2734 struct tm stm = {};
adam@1352 2735
adam@1352 2736 if (strptime(s, fmt, &stm) == end) {
adam@1352 2737 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2738 r->seconds = mktime(&stm);
adam@1365 2739 r->microseconds = 0;
adam@1352 2740 return r;
adam@1352 2741 }
adam@1352 2742 else
adam@1352 2743 return NULL;
adam@1352 2744 }
adam@1352 2745
adamc@311 2746 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2747 char *endptr;
adamc@311 2748 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2749
adamc@292 2750 if (*s != '\0' && *endptr == '\0')
adamc@292 2751 return n;
adamc@292 2752 else
adamc@311 2753 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2754 }
adamc@293 2755
adamc@682 2756 #include <errno.h>
adamc@682 2757
adamc@678 2758 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2759 unsigned long long n;
adamc@682 2760
adamc@682 2761 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2762 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2763 else {
adamc@682 2764 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2765 return ch;
adamc@682 2766 }
adamc@682 2767 }
adamc@682 2768
adamc@682 2769 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2770 char *endptr;
adamc@682 2771 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2772
adamc@678 2773 if (*s != '\0' && *endptr == '\0')
adamc@678 2774 return n;
adamc@678 2775 else
adamc@682 2776 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2777 }
adamc@678 2778
adamc@311 2779 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2780 char *endptr;
adamc@311 2781 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2782
adamc@293 2783 if (*s != '\0' && *endptr == '\0')
adamc@293 2784 return n;
adamc@293 2785 else
adamc@311 2786 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2787 }
adamc@293 2788
adamc@821 2789 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2790 if (s[0] == 0)
adamc@821 2791 return 0;
adamc@821 2792 else if (s[1] != 0)
adamc@821 2793 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2794 else
adamc@821 2795 return s[0];
adamc@821 2796 }
adamc@821 2797
adamc@311 2798 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2799 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2800 return uw_Basis_True;
adamc@296 2801 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2802 return uw_Basis_False;
adamc@293 2803 else
adamc@311 2804 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2805 }
adamc@436 2806
adam@1352 2807 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2808 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2809 struct tm stm = {};
adam@1352 2810
adam@1352 2811 if (dot) {
adam@1352 2812 *dot = 0;
adam@1352 2813 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2814 *dot = '.';
adam@1365 2815 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365 2816 return r;
adam@1352 2817 }
adam@1352 2818 else {
adam@1352 2819 *dot = '.';
adam@1352 2820 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2821 }
adam@1352 2822 }
adam@1352 2823 else {
adam@1352 2824 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2825 uw_Basis_time r = { mktime(&stm) };
adam@1365 2826 return r;
adam@1352 2827 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2828 uw_Basis_time r = { mktime(&stm) };
adam@1365 2829 return r;
adam@1352 2830 } else
adam@1352 2831 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2832 }
adam@1352 2833 }
adam@1352 2834
adamc@436 2835 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2836 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2837 struct tm stm = {};
adamc@436 2838
adamc@438 2839 if (dot) {
adamc@438 2840 *dot = 0;
adamc@438 2841 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2842 *dot = '.';
adam@1365 2843 {
adam@1365 2844 uw_Basis_time r = { mktime(&stm) };
adam@1365 2845 return r;
adam@1365 2846 }
adamc@438 2847 }
adamc@438 2848 else {
adamc@438 2849 *dot = '.';
adamc@438 2850 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2851 }
adamc@438 2852 }
adamc@438 2853 else {
adam@1365 2854 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2855 uw_Basis_time r = { mktime(&stm) };
adam@1365 2856 return r;
adam@1365 2857 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2858 uw_Basis_time r = { mktime(&stm) };
adam@1365 2859 return r;
adam@1365 2860 } else
adamc@438 2861 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2862 }
adamc@436 2863 }
adamc@457 2864
adam@1352 2865 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2866 char *end = strchr(s, 0);
adamc@939 2867 struct tm stm = {};
adamc@939 2868
adam@1365 2869 if (strptime(s, fmt, &stm) == end) {
adam@1365 2870 uw_Basis_time r = { mktime(&stm) };
adam@1365 2871 return r;
adam@1365 2872 } else
adam@1352 2873 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2874 }
adamc@939 2875
adamc@742 2876 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2877 char *r = ctx->heap.front;
adamc@742 2878 uw_Basis_blob b = {len, r};
adamc@742 2879
adamc@742 2880 uw_check_heap(ctx, len);
adamc@742 2881
adamc@742 2882 while (*s) {
adamc@742 2883 if (s[0] == '\\') {
adamc@742 2884 if (s[1] == '\\') {
adamc@742 2885 *r++ = '\\';
adamc@742 2886 s += 2;
adamc@1153 2887 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2888 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2889 s += 4;
adamc@742 2890 }
adamc@742 2891 else {
adamc@742 2892 *r++ = '\\';
adamc@742 2893 ++s;
adamc@742 2894 }
adamc@742 2895 } else {
adamc@742 2896 *r++ = s[0];
adamc@742 2897 ++s;
adamc@742 2898 }
adamc@742 2899 }
adamc@742 2900
adamc@742 2901 b.size = r - ctx->heap.front;
adamc@742 2902 ctx->heap.front = r;
adamc@742 2903 return b;
adamc@742 2904 }
adamc@742 2905
adamc@1052 2906 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2907
adamc@463 2908 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2909 int len = strlen(c);
adamc@854 2910 char *p = ctx->outHeaders.start;
adamc@474 2911
adamc@1134 2912 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2913 char *p2;
adamc@474 2914 p += 13;
adamc@474 2915 p2 = strchr(p, '=');
adamc@474 2916
adamc@474 2917 if (p2) {
adamc@474 2918 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2919
adamc@474 2920 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2921 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2922 return NULL;
adamc@1052 2923 else {
adamc@1052 2924 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2925 memcpy(ret, p2+1, sz);
adamc@1052 2926 ret[sz] = 0;
adamc@1052 2927 return ret;
adamc@1052 2928 }
adamc@474 2929 }
adamc@474 2930 }
adamc@474 2931 }
adamc@463 2932
adamc@1134 2933 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2934 char *p2;
adamc@1051 2935
adamc@854 2936 while (1) {
adamc@1051 2937 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2938 if ((p2 = strchr(p, ';'))) {
adamc@1051 2939 size_t n = p2 - (p + len);
adamc@1051 2940 char *r = uw_malloc(ctx, n);
adamc@1051 2941 memcpy(r, p + 1 + len, n-1);
adamc@1051 2942 r[n-1] = 0;
adamc@1051 2943 return r;
adamc@1051 2944 } else
adamc@1051 2945 return p + 1 + len;
adamc@1134 2946 } else if ((p = strchr(p, ';')))
adamc@854 2947 p += 2;
adamc@463 2948 else
adamc@463 2949 return NULL;
adamc@463 2950 }
adamc@463 2951 }
adamc@792 2952
adamc@792 2953 return NULL;
adamc@457 2954 }
adamc@462 2955
adamc@1050 2956 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 2957 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2958 uw_write_header(ctx, c);
adamc@462 2959 uw_write_header(ctx, "=");
adamc@462 2960 uw_write_header(ctx, v);
adamc@466 2961 uw_write_header(ctx, "; path=");
adamc@466 2962 uw_write_header(ctx, prefix);
adamc@1050 2963 if (expires) {
adamc@1050 2964 char formatted[30];
adamc@1050 2965 struct tm tm;
adamc@1050 2966
adam@1365 2967 gmtime_r(&expires->seconds, &tm);
adamc@1050 2968
adamc@1050 2969 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2970
adamc@1050 2971 uw_write_header(ctx, "; expires=");
adamc@1050 2972 uw_write_header(ctx, formatted);
adamc@1050 2973 }
adamc@1050 2974 if (secure)
adamc@1050 2975 uw_write_header(ctx, "; secure");
adamc@462 2976 uw_write_header(ctx, "\r\n");
adamc@462 2977
adamc@462 2978 return uw_unit_v;
adamc@462 2979 }
adamc@667 2980
adamc@1050 2981 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2982 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2983 uw_write_header(ctx, c);
adamc@1050 2984 uw_write_header(ctx, "=; path=");
adamc@1050 2985 uw_write_header(ctx, prefix);
adamc@1052 2986 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2987
adamc@1050 2988 return uw_unit_v;
adamc@1050 2989 }
adamc@1050 2990
adamc@1113 2991 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 2992
adamc@682 2993 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2994 unsigned i;
adamc@682 2995 delta *d;
adamc@671 2996
adamc@682 2997 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2998 if (ctx->deltas[i].client == client)
adamc@682 2999 return &ctx->deltas[i];
adamc@671 3000
adamc@682 3001 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3002 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3003 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3004
adamc@682 3005 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3006 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3007 }
adamc@671 3008
adamc@682 3009 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3010 d->client = client;
adam@1369 3011 uw_buffer_reset(&d->msgs);
adamc@682 3012 return d;
adamc@671 3013 }
adamc@671 3014
adamc@668 3015 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3016 if (ctx->client == NULL)
adamc@682 3017 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3018
adamc@682 3019 return new_channel(ctx->client);
adamc@668 3020 }
adamc@668 3021
adamc@668 3022 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3023 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3024 size_t len;
adamc@682 3025 int preLen;
adamc@682 3026 char pre[INTS_MAX + 2];
adamc@668 3027
adamc@682 3028 len = strlen(msg);
adamc@682 3029
adamc@682 3030 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3031
adam@1369 3032 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3033 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3034 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3035
adamc@671 3036 return uw_unit_v;
adamc@668 3037 }
adamc@671 3038
adam@1327 3039 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3040 int i;
adamc@1131 3041 cleanup *cl;
adamc@1131 3042
adamc@1131 3043 if (ctx->client)
adamc@1131 3044 release_client(ctx->client);
adamc@1131 3045
adamc@1131 3046 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3047 cl->func(cl->arg);
adamc@1131 3048
adamc@1131 3049 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3050
adamc@1131 3051 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3052 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3053 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3054
adamc@1131 3055 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3056 if (ctx->transactionals[i].free)
adam@1327 3057 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3058
adamc@1144 3059 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3060 }
adamc@1131 3061
adamc@671 3062 void uw_commit(uw_context ctx) {
adamc@1104 3063 int i;
adamc@1104 3064
adamc@1131 3065 if (uw_has_error(ctx)) {
adam@1327 3066 uw_rollback(ctx, 0);
adamc@1131 3067 return;
adamc@1131 3068 }
adamc@1131 3069
adamc@1104 3070 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3071 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3072 if (ctx->transactionals[i].commit) {
adamc@1083 3073 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3074 if (uw_has_error(ctx)) {
adam@1327 3075 uw_rollback(ctx, 0);
adamc@1131 3076 return;
adamc@1131 3077 }
adamc@1131 3078 }
adamc@771 3079
adamc@1104 3080 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3081 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3082 if (ctx->transactionals[i].commit) {
adamc@1083 3083 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3084 if (uw_has_error(ctx)) {
adam@1327 3085 uw_rollback(ctx, 0);
adamc@1131 3086 return;
adamc@1131 3087 }
adamc@1131 3088 }
adamc@1131 3089
adamc@1131 3090 if (ctx->app->db_commit(ctx)) {
adamc@1131 3091 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3092 return;
adamc@1131 3093 }
adamc@682 3094
adamc@682 3095 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3096 delta *d = &ctx->deltas[i];
adamc@682 3097 client *c = find_client(d->client);
adamc@682 3098
adamc@682 3099 assert (c != NULL && c->mode == USED);
adamc@682 3100
adamc@685 3101 client_send(c, &d->msgs);
adamc@682 3102 }
adamc@682 3103
adamc@682 3104 if (ctx->client)
adamc@685 3105 release_client(ctx->client);
adamc@771 3106
adamc@1104 3107 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3108 if (ctx->transactionals[i].free)
adam@1327 3109 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3110
adamc@916 3111 // Splice script data into appropriate part of page
adamc@1065 3112 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3113 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3114 if (start) {
adam@1369 3115 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3116 ctx->page.front -= 4;
adamc@995 3117 }
adam@1369 3118 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3119 size_t len = strlen(ctx->script_header);
adamc@916 3120 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3121 if (start) {
adam@1369 3122 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3123 start = strstr(ctx->page.start, "<sc>");
adam@1369 3124 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3125 ctx->page.front += len - 4;
adamc@916 3126 memcpy(start, ctx->script_header, len);
adamc@916 3127 }
adamc@916 3128 } else {
adam@1369 3129 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3130 size_t lenP = lenH + 40 + len;
adamc@916 3131 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3132 if (start) {
adam@1369 3133 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3134 start = strstr(ctx->page.start, "<sc>");
adam@1369 3135 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3136 ctx->page.front += lenP - 4;
adamc@916 3137 memcpy(start, ctx->script_header, lenH);
adamc@916 3138 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3139 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3140 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3141 }
adamc@916 3142 }
adamc@671 3143 }
adamc@671 3144
adamc@683 3145
adamc@1113 3146 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3147
adamc@771 3148 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3149 uw_callback_with_retry free) {
adamc@771 3150 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3151 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3152 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3153 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3154 ++ctx->n_transactionals;
adamc@771 3155 }
adamc@771 3156
adamc@771 3157 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3158 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3159 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3160 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3161 }
adamc@771 3162
adamc@683 3163
adamc@683 3164 // "Garbage collection"
adamc@683 3165
adamc@1121 3166 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3167 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3168
adamc@1121 3169 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3170 int r = setjmp(ctx->jmp_buf);
adamc@683 3171
adamc@1121 3172 if (r == 0)
adamc@1121 3173 uw_do_expunge(ctx, cli, data);
adamc@1121 3174 else
adamc@1121 3175 ctx->app->db_rollback(ctx);
adamc@1121 3176
adamc@1121 3177 uw_post_expunge(ctx, data);
adamc@683 3178
adamc@683 3179 return r;
adamc@683 3180 }
adamc@683 3181
adamc@683 3182 void uw_prune_clients(uw_context ctx) {
adamc@683 3183 client *c, *next, *prev = NULL;
adamc@683 3184 time_t cutoff;
adamc@683 3185
adamc@1094 3186 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3187
adamc@683 3188 pthread_mutex_lock(&clients_mutex);
adamc@683 3189
adamc@683 3190 for (c = clients_used; c; c = next) {
adamc@683 3191 next = c->next;
adamc@683 3192 pthread_mutex_lock(&c->lock);
adamc@685 3193 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3194 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3195 if (prev)
adamc@683 3196 prev->next = next;
adamc@683 3197 else
adamc@683 3198 clients_used = next;
adamc@684 3199 uw_reset(ctx);
adamc@683 3200 while (fk == UNLIMITED_RETRY) {
adamc@1121 3201 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3202 if (fk == UNLIMITED_RETRY)
adamc@684 3203 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3204 }
adamc@684 3205 if (fk == SUCCESS)
adamc@684 3206 free_client(c);
adamc@1121 3207 else
adamc@856 3208 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3209 }
adamc@683 3210 else
adamc@683 3211 prev = c;
adamc@683 3212 pthread_mutex_unlock(&c->lock);
adamc@683 3213 }
adamc@683 3214
adamc@683 3215 pthread_mutex_unlock(&clients_mutex);
adamc@683 3216 }
adamc@687 3217
adamc@687 3218 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3219 int r = setjmp(ctx->jmp_buf);
adamc@687 3220
adamc@687 3221 if (r == 0) {
adamc@1094 3222 if (ctx->app->db_begin(ctx))
adamc@687 3223 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3224 ctx->app->initializer(ctx);
adamc@1094 3225 if (ctx->app->db_commit(ctx))
adamc@687 3226 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3227 }
adamc@687 3228
adamc@687 3229 return r;
adamc@687 3230 }
adamc@717 3231
adamc@1065 3232 static int url_bad(uw_Basis_string s) {
adamc@1065 3233 for (; *s; ++s)
adamc@1153 3234 if (!isgraph((int)*s))
adamc@1065 3235 return 1;
adamc@1065 3236
adamc@1065 3237 return 0;
adamc@1065 3238 }
adamc@1065 3239
adamc@717 3240 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3241 if (url_bad(s))
adamc@1065 3242 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3243 if (ctx->app->check_url(s))
adamc@770 3244 return s;
adamc@770 3245 else
adamc@770 3246 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3247 }
adamc@734 3248
adamc@770 3249 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3250 if (url_bad(s))
adamc@1065 3251 return NULL;
adamc@1094 3252 if (ctx->app->check_url(s))
adamc@770 3253 return s;
adamc@770 3254 else
adamc@770 3255 return NULL;
adamc@770 3256 }
adamc@770 3257
adamc@770 3258 int mime_format(const char *s) {
adamc@770 3259 for (; *s; ++s)
adamc@1153 3260 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3261 return 0;
adamc@770 3262
adamc@770 3263 return 1;
adamc@770 3264 }
adamc@770 3265
adamc@741 3266 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3267 if (!mime_format(s))
adamc@770 3268 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3269
adamc@1094 3270 if (ctx->app->check_mime(s))
adamc@770 3271 return s;
adamc@770 3272 else
adamc@770 3273 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3274 }
adamc@770 3275
adamc@770 3276 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3277 if (!mime_format(s))
adamc@770 3278 return NULL;
adamc@770 3279
adamc@1094 3280 if (ctx->app->check_mime(s))
adamc@770 3281 return s;
adamc@770 3282 else
adamc@770 3283 return NULL;
adamc@741 3284 }
adamc@741 3285
adamc@734 3286 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3287 return s ? s : "";
adamc@734 3288 }
adamc@734 3289
adamc@734 3290 extern int uw_hash_blocksize;
adamc@734 3291
adamc@734 3292 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3293 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3294 int i;
adamc@734 3295
adamc@734 3296 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3297 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3298
adamc@734 3299 return r;
adamc@734 3300 }
adamc@734 3301
adamc@734 3302 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3303 return ctx->app->cookie_sig(ctx);
adamc@734 3304 }
adamc@737 3305
adamc@737 3306 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3307 return f.name;
adamc@737 3308 }
adamc@737 3309
adamc@740 3310 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3311 return f.type;
adamc@740 3312 }
adamc@740 3313
adamc@745 3314 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3315 return b.size;
adamc@745 3316 }
adamc@745 3317
adamc@1119 3318 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3319 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3320
adamc@1119 3321 return b;
adamc@1119 3322 }
adamc@1119 3323
adamc@737 3324 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3325 return f.data;
adamc@737 3326 }
adamc@741 3327
adam@1347 3328 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3329 return pb.type;
adam@1347 3330 }
adam@1347 3331
adam@1347 3332 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3333 return pb.data;
adam@1347 3334 }
adam@1347 3335
adamc@741 3336 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3337 cleanup *cl;
adamc@741 3338 int len;
adamc@741 3339
adamc@1065 3340 ctx->returning_indirectly = 1;
adam@1369 3341 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3342 uw_buffer_reset(&ctx->page);
adamc@741 3343
adamc@856 3344 uw_write_header(ctx, on_success);
adamc@856 3345 uw_write_header(ctx, "Content-Type: ");
adamc@741 3346 uw_write_header(ctx, mimeType);
adamc@741 3347 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3348 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3349 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3350 ctx->outHeaders.front += len;
adamc@1066 3351 uw_write_header(ctx, "\r\n");
adamc@741 3352
adam@1369 3353 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3354
adamc@741 3355 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3356 cl->func(cl->arg);
adamc@741 3357
adamc@741 3358 ctx->cleanup_front = ctx->cleanup;
adamc@741 3359
adamc@1065 3360 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3361 }
adamc@1065 3362
adamc@1065 3363 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3364 cleanup *cl;
adamc@1066 3365 char *s;
adamc@1065 3366
adamc@1065 3367 ctx->returning_indirectly = 1;
adam@1369 3368 uw_buffer_reset(&ctx->page);
adam@1369 3369 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3370 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3371 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3372 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3373
adamc@1065 3374 uw_write_header(ctx, on_redirect);
adamc@1066 3375
adamc@1066 3376 s = strchr(ctx->page.start, '\n');
adamc@1066 3377 if (s) {
adamc@1066 3378 char *s2;
adamc@1134 3379 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3380 *s2 = 0;
adamc@1066 3381 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3382 uw_write_header(ctx, s);
adamc@1066 3383 uw_write_header(ctx, "\n");
adamc@1066 3384 }
adamc@1066 3385 }
adamc@1066 3386 }
adamc@1066 3387
adamc@1065 3388 uw_write_header(ctx, "Location: ");
adamc@1065 3389 uw_write_header(ctx, url);
adamc@1065 3390 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3391
adamc@1065 3392 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3393 cl->func(cl->arg);
adamc@1065 3394
adamc@1065 3395 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3396
adamc@1065 3397 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3398 }
adamc@874 3399
adamc@874 3400 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3401 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3402
adamc@874 3403 for (; *s; ++s) {
adamc@874 3404 if (s[0] == '\'') {
adamc@874 3405 *r++ = '\'';
adamc@874 3406 for (++s; *s; ++s) {
adamc@874 3407 if (s[0] == '\'') {
adamc@874 3408 *r++ = '\'';
adamc@874 3409 break;
adamc@874 3410 } else if (s[0] == '\\') {
adamc@874 3411 if (s[1] == '\\') {
adamc@874 3412 *r++ = '\\';
adamc@874 3413 *r++ = '\\';
adamc@874 3414 ++s;
adamc@874 3415 } else if (s[1] == '\'') {
adamc@874 3416 *r++ = '\\';
adamc@874 3417 *r++ = '\'';
adamc@874 3418 ++s;
adamc@874 3419 } else
adamc@874 3420 *r++ = '\'';
adamc@874 3421 } else
adamc@874 3422 *r++ = s[0];
adamc@874 3423 }
adamc@874 3424 if (*s == 0) break;
adamc@874 3425 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3426 ++s;
adamc@874 3427 else
adamc@874 3428 *r++ = s[0];
adamc@874 3429 }
adamc@874 3430
adamc@874 3431 return r;
adamc@874 3432 }
adamc@874 3433
adamc@922 3434 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3435 va_list ap;
adamc@922 3436 size_t len = 1;
adamc@922 3437 char *s, *r, *s2;
adamc@922 3438
adamc@922 3439 va_start(ap, ctx);
adamc@922 3440 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3441 len += strlen(s);
adamc@922 3442 va_end(ap);
adamc@922 3443
adamc@922 3444 r = uw_malloc(ctx, len);
adamc@922 3445 va_start(ap, ctx);
adamc@922 3446 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3447 while (*s)
adamc@922 3448 *s2++ = *s++;
adamc@922 3449 va_end(ap);
adamc@922 3450 *s2 = 0;
adamc@922 3451
adamc@922 3452 return r;
adamc@922 3453 }
adamc@1006 3454
adam@1365 3455 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3456
adamc@1006 3457 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3458 uw_Basis_time r = { time(NULL) };
adam@1365 3459 return r;
adamc@1006 3460 }
adamc@1061 3461
adam@1369 3462 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3463 tm.seconds += n;
adam@1365 3464 return tm;
adamc@1138 3465 }
adamc@1138 3466
adamc@1061 3467 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3468 int i;
adamc@1061 3469
adamc@1061 3470 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3471 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3472 return ctx->globals[i].data;
adamc@1061 3473
adamc@1061 3474 return NULL;
adamc@1061 3475 }
adamc@1061 3476
adamc@1113 3477 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3478
adamc@1061 3479 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3480 int i;
adamc@1061 3481
adamc@1061 3482 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3483 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3484 if (ctx->globals[i].free)
adamc@1061 3485 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3486 ctx->globals[i].data = data;
adamc@1061 3487 ctx->globals[i].free = free;
adamc@1061 3488 return;
adamc@1061 3489 }
adamc@1089 3490
adamc@1113 3491 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3492 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3493
adamc@1061 3494 ++ctx->n_globals;
adamc@1061 3495 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3496 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3497 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3498 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3499 }
adamc@1061 3500
adamc@1061 3501 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3502 return !!isalnum((int)c);
adamc@1061 3503 }
adamc@1061 3504
adamc@1061 3505 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3506 return !!isalpha((int)c);
adamc@1061 3507 }
adamc@1061 3508
adamc@1061 3509 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3510 return !!isblank((int)c);
adamc@1061 3511 }
adamc@1061 3512
adamc@1061 3513 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3514 return !!iscntrl((int)c);
adamc@1061 3515 }
adamc@1061 3516
adamc@1061 3517 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3518 return !!isdigit((int)c);
adamc@1061 3519 }
adamc@1061 3520
adamc@1061 3521 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3522 return !!isgraph((int)c);
adamc@1061 3523 }
adamc@1061 3524
adamc@1061 3525 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3526 return !!islower((int)c);
adamc@1061 3527 }
adamc@1061 3528
adamc@1061 3529 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3530 return !!isprint((int)c);
adamc@1061 3531 }
adamc@1061 3532
adamc@1061 3533 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3534 return !!ispunct((int)c);
adamc@1061 3535 }
adamc@1061 3536
adamc@1061 3537 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3538 return !!isspace((int)c);
adamc@1061 3539 }
adamc@1063 3540
adamc@1061 3541 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3542 return !!isupper((int)c);
adamc@1061 3543 }
adamc@1061 3544
adamc@1061 3545 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3546 return !!isxdigit((int)c);
adamc@1061 3547 }
adamc@1061 3548
adamc@1061 3549 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3550 return tolower((int)c);
adamc@1061 3551 }
adamc@1061 3552
adamc@1061 3553 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3554 return toupper((int)c);
adamc@1061 3555 }
adamc@1066 3556
adamc@1128 3557 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3558 return (unsigned char)c;
adamc@1128 3559 }
adamc@1128 3560
adamc@1128 3561 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3562 return n;
adamc@1128 3563 }
adamc@1128 3564
adamc@1066 3565 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3566 return ctx->current_url;
adamc@1066 3567 }
adamc@1066 3568
adamc@1066 3569 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3570 ctx->current_url = s;
adamc@1066 3571 }
adamc@1114 3572
adamc@1114 3573 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3574 ctx->deadline = n;
adamc@1114 3575 }
adamc@1114 3576
adamc@1114 3577 void uw_check_deadline(uw_context ctx) {
adamc@1114 3578 if (uw_time > ctx->deadline)
adamc@1114 3579 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3580 }
adamc@1115 3581
adamc@1115 3582 size_t uw_database_max = SIZE_MAX;
adamc@1120 3583
adamc@1120 3584 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3585 if (ctx->log_debug)
adam@1334 3586 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3587 else
adam@1334 3588 fprintf(stderr, "%s\n", s);
adamc@1120 3589 return uw_unit_v;
adamc@1120 3590 }
adamc@1250 3591
adamc@1250 3592 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3593 uw_Basis_int n = abs(rand());
adamc@1250 3594 return n;
adamc@1250 3595 }
adam@1347 3596
adam@1347 3597 void uw_noPostBody(uw_context ctx) {
adam@1347 3598 ctx->hasPostBody = 0;
adam@1347 3599 }
adam@1347 3600
adam@1347 3601 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3602 ctx->hasPostBody = 1;
adam@1347 3603 ctx->postBody = pb;
adam@1347 3604 }
adam@1347 3605
adam@1347 3606 int uw_hasPostBody(uw_context ctx) {
adam@1347 3607 return ctx->hasPostBody;
adam@1347 3608 }
adam@1347 3609
adam@1370 3610 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3611 ctx->queryString = s;
adam@1370 3612 }
adam@1370 3613
adam@1370 3614 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3615 return ctx->queryString;
adam@1370 3616 }
adam@1370 3617
adam@1347 3618 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3619 if (ctx->hasPostBody)
adam@1347 3620 return ctx->postBody;
adam@1347 3621 else
adam@1347 3622 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3623 }
adam@1349 3624
adam@1349 3625 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3626 int r = setjmp(ctx->jmp_buf);
adam@1349 3627
adam@1349 3628 if (ctx->app->db_begin(ctx))
adam@1349 3629 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349 3630
adam@1349 3631 if (r == 0) {
adam@1349 3632 callback(ctx);
adam@1349 3633 uw_commit(ctx);
adam@1349 3634 }
adam@1349 3635 else
adam@1349 3636 uw_rollback(ctx, 0);
adam@1349 3637
adam@1349 3638 return r;
adam@1349 3639 }
adam@1360 3640
adam@1360 3641 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1360 3642 struct crypt_data *data;
adam@1360 3643
adam@1360 3644 if ((data = uw_get_global(ctx, "crypt")) == NULL) {
adam@1360 3645 data = malloc(sizeof(struct crypt_data));
adam@1360 3646 data->initialized = 0;
adam@1360 3647 uw_set_global(ctx, "crypt", data, free);
adam@1360 3648 }
adam@1360 3649
adam@1360 3650 return uw_strdup(ctx, crypt_r(key, salt, data));
adam@1360 3651 }
adam@1365 3652
adam@1365 3653 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3654 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3655 }
adam@1365 3656
adam@1365 3657 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3658 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3659 }
adam@1365 3660
adam@1365 3661 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3662 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3663 }
adam@1365 3664
adam@1374 3665 /*uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3666 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374 3667
adam@1374 3668 printf("timezone = %ld\n", timezone);
adam@1374 3669
adam@1374 3670 if (r)
adam@1374 3671 r->seconds -= timezone;
adam@1374 3672
adam@1374 3673 return r;
adam@1374 3674 }*/
adam@1374 3675
adam@1372 3676 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3677 struct tm stm = {};
adam@1375 3678 char *end = strchr(s, 0);
adam@1375 3679
adam@1375 3680 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3681 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3682
adam@1375 3683 tzset();
adam@1374 3684 stm.tm_hour -= timezone / (60 * 60);
adam@1375 3685
adam@1374 3686 r->seconds = mktime(&stm);
adam@1373 3687 r->microseconds = 0;
adam@1373 3688
adam@1373 3689 return r;
adam@1374 3690 }
adam@1374 3691 else
adam@1373 3692 return NULL;
adam@1372 3693 }