annotate src/c/urweb.c @ 1372:268d9af9103f

Basis.readUtc
author Adam Chlipala <adam@chlipala.net>
date Tue, 28 Dec 2010 14:51:57 -0500
parents 44a12a321150
children 04bd0d91b74c
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>
adamc@102 17
adamc@667 18 #include <pthread.h>
adamc@667 19
adamc@102 20 #include "types.h"
adamc@102 21
adamc@311 22 uw_unit uw_unit_v = {};
adamc@102 23
adamc@667 24
adamc@667 25 // Socket extras
adamc@667 26
adamc@863 27 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 28 while (len > 0) {
adamc@856 29 ssize_t n = send(sock, buf, len, 0);
adamc@856 30
adamc@856 31 if (n < 0)
adamc@856 32 return n;
adamc@856 33
adamc@856 34 buf += n;
adamc@856 35 len -= n;
adamc@856 36 }
adamc@856 37
adamc@856 38 return 0;
adamc@856 39 }
adamc@856 40
adamc@856 41 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 42 while (len > 0) {
adamc@856 43 ssize_t n = write(fd, buf, len);
adamc@667 44
adamc@667 45 if (n < 0)
adamc@667 46 return n;
adamc@667 47
adamc@667 48 buf += n;
adamc@667 49 len -= n;
adamc@667 50 }
adamc@667 51
adamc@667 52 return 0;
adamc@667 53 }
adamc@667 54
adamc@667 55
adamc@667 56 // Buffers
adamc@667 57
adam@1369 58 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 59 b->max = max;
adamc@667 60 b->front = b->start = malloc(s);
adamc@667 61 b->back = b->front + s;
adamc@667 62 }
adamc@667 63
adam@1369 64 void uw_buffer_free(uw_buffer *b) {
adamc@667 65 free(b->start);
adamc@667 66 }
adamc@667 67
adam@1369 68 void uw_buffer_reset(uw_buffer *b) {
adamc@667 69 b->front = b->start;
adamc@667 70 }
adamc@667 71
adam@1369 72 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 73 if (b->back - b->front < extra) {
adamc@667 74 size_t desired = b->front - b->start + extra, next;
adamc@667 75 char *new_heap;
adamc@667 76
adamc@667 77 next = b->back - b->start;
adamc@667 78 if (next == 0)
adamc@667 79 next = 1;
adamc@667 80 for (; next < desired; next *= 2);
adamc@667 81
adamc@1134 82 if (next > b->max) {
adamc@1113 83 if (desired <= b->max)
adamc@1113 84 next = desired;
adamc@1113 85 else
adamc@1113 86 return 1;
adamc@1134 87 }
adamc@1113 88
adamc@667 89 new_heap = realloc(b->start, next);
adamc@667 90 b->front = new_heap + (b->front - b->start);
adamc@667 91 b->back = new_heap + next;
adamc@667 92 b->start = new_heap;
adamc@667 93 }
adamc@1113 94
adamc@1113 95 return 0;
adamc@1113 96 }
adamc@1113 97
adamc@1113 98 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 99
adam@1369 100 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 101 if (uw_buffer_check(b, extra))
adamc@1113 102 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 103 }
adamc@667 104
adam@1369 105 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 106 return b->front - b->start;
adamc@667 107 }
adamc@667 108
adam@1369 109 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 110 return b->back - b->start;
adamc@667 111 }
adamc@667 112
adam@1369 113 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 114 if (uw_buffer_check(b, len+1))
adamc@1113 115 return 1;
adamc@1113 116
adamc@1113 117 memcpy(b->front, s, len);
adamc@1113 118 b->front += len;
adamc@1113 119 *b->front = 0;
adamc@1113 120
adamc@1113 121 return 0;
adamc@1113 122 }
adamc@1113 123
adam@1369 124 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 125 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 126
adamc@668 127 memcpy(b->front, s, len);
adamc@668 128 b->front += len;
adamc@672 129 *b->front = 0;
adamc@668 130 }
adamc@667 131
adamc@668 132
adamc@672 133 // Persistent state types
adamc@667 134
adamc@667 135 typedef enum { UNUSED, USED } usage;
adamc@667 136
adamc@667 137 typedef struct client {
adamc@682 138 unsigned id;
adamc@667 139 usage mode;
adamc@682 140 int pass;
adamc@682 141 struct client *next;
adamc@689 142 pthread_mutex_t lock, pull_lock;
adam@1369 143 uw_buffer msgs;
adamc@682 144 int sock;
adamc@863 145 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 146 int (*close)(int fd);
adamc@682 147 time_t last_contact;
adamc@682 148 unsigned n_channels;
adamc@685 149 unsigned refcount;
adamc@1121 150 void *data;
adamc@667 151 } client;
adamc@667 152
adamc@672 153
adamc@672 154 // Persistent client state
adamc@672 155
adamc@682 156 static client **clients, *clients_free, *clients_used;
adamc@682 157 static unsigned n_clients;
adamc@667 158
adamc@667 159 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 160
adamc@1113 161 size_t uw_messages_max = SIZE_MAX;
adamc@1113 162 size_t uw_clients_max = SIZE_MAX;
adamc@1113 163
adamc@1121 164 void *uw_init_client_data();
adamc@1121 165 void uw_free_client_data(void *);
adamc@1121 166 void uw_copy_client_data(void *dst, void *src);
adamc@1121 167
adamc@682 168 static client *new_client() {
adamc@667 169 client *c;
adamc@667 170
adamc@667 171 pthread_mutex_lock(&clients_mutex);
adamc@667 172
adamc@667 173 if (clients_free) {
adamc@667 174 c = clients_free;
adamc@682 175 clients_free = clients_free->next;
adamc@667 176 }
adamc@1113 177 else if (n_clients >= uw_clients_max)
adamc@1113 178 return NULL;
adamc@667 179 else {
adamc@667 180 ++n_clients;
adamc@667 181 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 182 c = malloc(sizeof(client));
adamc@667 183 c->id = n_clients-1;
adamc@682 184 pthread_mutex_init(&c->lock, NULL);
adamc@689 185 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 186 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 187 clients[n_clients-1] = c;
adamc@667 188 }
adamc@667 189
adamc@682 190 pthread_mutex_lock(&c->lock);
adamc@667 191 c->mode = USED;
adamc@682 192 c->pass = rand();
adamc@682 193 c->sock = -1;
adamc@682 194 c->last_contact = time(NULL);
adam@1369 195 uw_buffer_reset(&c->msgs);
adamc@682 196 c->n_channels = 0;
adamc@685 197 c->refcount = 0;
adamc@1121 198 c->data = uw_init_client_data();
adamc@682 199 pthread_mutex_unlock(&c->lock);
adamc@682 200
adamc@682 201 c->next = clients_used;
adamc@682 202 clients_used = c;
adamc@667 203
adamc@667 204 pthread_mutex_unlock(&clients_mutex);
adamc@667 205
adamc@667 206 return c;
adamc@667 207 }
adamc@667 208
adamc@685 209 static void use_client(client *c) {
adamc@685 210 pthread_mutex_lock(&c->lock);
adamc@685 211 ++c->refcount;
adamc@685 212 pthread_mutex_unlock(&c->lock);
adamc@689 213 pthread_mutex_lock(&c->pull_lock);
adamc@685 214 }
adamc@685 215
adamc@685 216 static void release_client(client *c) {
adamc@689 217 pthread_mutex_unlock(&c->pull_lock);
adamc@685 218 pthread_mutex_lock(&c->lock);
adamc@685 219 --c->refcount;
adamc@685 220 pthread_mutex_unlock(&c->lock);
adamc@689 221
adamc@685 222 }
adamc@685 223
adamc@856 224 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 225
adamc@682 226 static client *find_client(unsigned id) {
adamc@667 227 client *c;
adamc@667 228
adamc@667 229 pthread_mutex_lock(&clients_mutex);
adamc@667 230
adamc@667 231 if (id >= n_clients) {
adamc@667 232 pthread_mutex_unlock(&clients_mutex);
adamc@668 233 return NULL;
adamc@667 234 }
adamc@667 235
adamc@667 236 c = clients[id];
adamc@667 237
adamc@668 238 pthread_mutex_unlock(&clients_mutex);
adamc@668 239 return c;
adamc@668 240 }
adamc@668 241
adamc@856 242 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 243 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 244
adamc@856 245 void uw_set_on_success(char *s) {
adamc@856 246 on_success = s;
adamc@856 247 }
adamc@856 248
adamc@863 249 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 250 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 251 int (*close)(int fd),
adamc@864 252 void *logger_data, uw_logger log_error) {
adamc@682 253 client *c = find_client(id);
adamc@668 254
adamc@668 255 if (c == NULL) {
adamc@667 256 close(sock);
adamc@864 257 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 258 return;
adamc@667 259 }
adamc@667 260
adamc@682 261 pthread_mutex_lock(&c->lock);
adamc@671 262
adamc@682 263 if (c->mode != USED) {
adamc@682 264 pthread_mutex_unlock(&c->lock);
adamc@667 265 close(sock);
adamc@864 266 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 267 return;
adamc@667 268 }
adamc@667 269
adamc@682 270 if (pass != c->pass) {
adamc@682 271 pthread_mutex_unlock(&c->lock);
adamc@682 272 close(sock);
adamc@864 273 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 274 return;
adamc@667 275 }
adamc@667 276
adamc@682 277 if (c->sock != -1) {
adamc@863 278 c->close(c->sock);
adamc@682 279 c->sock = -1;
adamc@682 280 }
adamc@667 281
adamc@682 282 c->last_contact = time(NULL);
adamc@682 283
adam@1369 284 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 285 send(sock, on_success, strlen(on_success));
adamc@863 286 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 287 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 288 uw_buffer_reset(&c->msgs);
adamc@667 289 close(sock);
adamc@667 290 }
adamc@863 291 else {
adamc@682 292 c->sock = sock;
adamc@863 293 c->send = send;
adamc@863 294 c->close = close;
adamc@863 295 }
adamc@667 296
adamc@682 297 pthread_mutex_unlock(&c->lock);
adamc@667 298 }
adamc@667 299
adamc@682 300 static void free_client(client *c) {
adamc@682 301 c->mode = UNUSED;
adamc@682 302 c->pass = -1;
adamc@667 303
adamc@682 304 c->next = clients_free;
adamc@682 305 clients_free = c;
adamc@667 306 }
adamc@667 307
adamc@682 308 static uw_Basis_channel new_channel(client *c) {
adamc@682 309 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 310 return ch;
adamc@668 311 }
adamc@668 312
adam@1369 313 static void client_send(client *c, uw_buffer *msg) {
adamc@685 314 pthread_mutex_lock(&c->lock);
adamc@671 315
adamc@682 316 if (c->sock != -1) {
adamc@863 317 c->send(c->sock, on_success, strlen(on_success));
adamc@863 318 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 319 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 320 c->close(c->sock);
adamc@682 321 c->sock = -1;
adam@1369 322 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 323 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 324
adamc@685 325 pthread_mutex_unlock(&c->lock);
adamc@668 326 }
adamc@668 327
adamc@668 328
adamc@668 329 // Global entry points
adamc@668 330
adamc@1164 331 extern void uw_global_custom();
adamc@1104 332 extern void uw_init_crypto();
adamc@1104 333
adamc@668 334 void uw_global_init() {
adamc@668 335 srand(time(NULL) ^ getpid());
adamc@668 336
adamc@668 337 clients = malloc(0);
adamc@1104 338
adamc@1164 339 uw_global_custom();
adamc@1104 340 uw_init_crypto();
adamc@1094 341 }
adamc@1094 342
adamc@1094 343 void uw_app_init(uw_app *app) {
adamc@1094 344 app->client_init();
adamc@668 345 }
adamc@668 346
adam@1332 347 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 348
adamc@668 349
adamc@667 350 // Single-request state
adamc@667 351
adamc@323 352 typedef struct regions {
adamc@323 353 struct regions *next;
adamc@323 354 } regions;
adamc@323 355
adamc@425 356 typedef struct {
adamc@425 357 void (*func)(void*);
adamc@425 358 void *arg;
adamc@425 359 } cleanup;
adamc@425 360
adamc@671 361 typedef struct {
adamc@682 362 unsigned client;
adam@1369 363 uw_buffer msgs;
adamc@682 364 } delta;
adamc@671 365
adamc@737 366 typedef enum {
adamc@759 367 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 368 } input_kind;
adamc@737 369
adamc@756 370 typedef struct input {
adamc@737 371 input_kind kind;
adamc@737 372 union {
adamc@737 373 char *normal;
adamc@739 374 uw_Basis_file file;
adamc@756 375 struct {
adamc@759 376 struct input *fields, *parent;
adamc@756 377 } subform;
adamc@759 378 struct {
adamc@759 379 struct input *entries, *parent;
adamc@759 380 } subforms;
adamc@759 381 struct {
adamc@759 382 struct input *fields, *next, *parent;
adamc@759 383 } entry;
adamc@737 384 } data;
adamc@737 385 } input;
adamc@737 386
adamc@771 387 typedef struct {
adamc@771 388 void *data;
adam@1327 389 uw_callback commit, rollback;
adam@1327 390 uw_callback_with_retry free;
adamc@771 391 } transactional;
adamc@771 392
adamc@1061 393 typedef struct {
adamc@1061 394 char *name;
adamc@1061 395 void *data;
adamc@1061 396 void (*free)(void*);
adamc@1061 397 } global;
adamc@1061 398
adamc@311 399 struct uw_context {
adamc@1094 400 uw_app *app;
adamc@1094 401
adamc@854 402 char *(*get_header)(void *, const char *);
adamc@854 403 void *get_header_data;
adamc@457 404
adam@1369 405 uw_buffer outHeaders, page, heap, script;
adamc@1065 406 int returning_indirectly;
adamc@759 407 input *inputs, *subinputs, *cur_container;
adamc@1094 408 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 409
adamc@565 410 int source_count;
adamc@562 411
adamc@272 412 void *db;
adamc@272 413
adamc@167 414 jmp_buf jmp_buf;
adamc@167 415
adamc@323 416 regions *regions;
adamc@323 417
adamc@425 418 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 419
adamc@1094 420 const char *script_header;
adamc@643 421
adamc@736 422 int needs_push, needs_sig;
adamc@693 423
adamc@682 424 size_t n_deltas, used_deltas;
adamc@682 425 delta *deltas;
adamc@671 426
adamc@682 427 client *client;
adamc@682 428
adamc@771 429 transactional *transactionals;
adamc@771 430 size_t n_transactionals, used_transactionals;
adamc@771 431
adamc@1061 432 global *globals;
adamc@1061 433 size_t n_globals;
adamc@1061 434
adamc@1066 435 char *current_url;
adamc@1066 436
adamc@1114 437 int deadline;
adamc@1114 438
adamc@1121 439 void *client_data;
adamc@1121 440
adam@1334 441 void *logger_data;
adam@1334 442 uw_logger log_debug;
adam@1334 443
adam@1347 444 int hasPostBody;
adam@1347 445 uw_Basis_postBody postBody;
adam@1370 446 uw_Basis_string queryString;
adam@1347 447
adamc@167 448 char error_message[ERROR_BUF_LEN];
adamc@117 449 };
adamc@117 450
adamc@1113 451 size_t uw_headers_max = SIZE_MAX;
adamc@1113 452 size_t uw_page_max = SIZE_MAX;
adamc@1113 453 size_t uw_heap_max = SIZE_MAX;
adamc@1113 454 size_t uw_script_max = SIZE_MAX;
adamc@1113 455
adam@1334 456 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311 457 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 458
adamc@1094 459 ctx->app = NULL;
adamc@1094 460
adamc@854 461 ctx->get_header = NULL;
adamc@854 462 ctx->get_header_data = NULL;
adamc@457 463
adam@1369 464 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369 465 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065 466 ctx->returning_indirectly = 0;
adam@1369 467 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 468 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 469 ctx->script.start[0] = 0;
adamc@136 470
adamc@1094 471 ctx->inputs = malloc(0);
adamc@759 472 ctx->cur_container = NULL;
adamc@756 473 ctx->subinputs = malloc(0);
adamc@1094 474 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 475
adamc@272 476 ctx->db = NULL;
adamc@272 477
adamc@323 478 ctx->regions = NULL;
adamc@323 479
adamc@425 480 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 481
adamc@643 482 ctx->script_header = "";
adamc@693 483 ctx->needs_push = 0;
adamc@736 484 ctx->needs_sig = 0;
adamc@1104 485
adamc@565 486 ctx->source_count = 0;
adamc@562 487
adamc@682 488 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 489 ctx->deltas = malloc(0);
adamc@671 490
adamc@700 491 ctx->client = NULL;
adamc@700 492
adamc@700 493 ctx->error_message[0] = 0;
adamc@700 494
adamc@771 495 ctx->transactionals = malloc(0);
adamc@771 496 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 497
adamc@1061 498 ctx->globals = malloc(0);
adamc@1061 499 ctx->n_globals = 0;
adamc@1061 500
adamc@1066 501 ctx->current_url = "";
adamc@1066 502
adamc@1114 503 ctx->deadline = INT_MAX;
adamc@1114 504
adamc@1121 505 ctx->client_data = uw_init_client_data();
adamc@1121 506
adam@1334 507 ctx->logger_data = logger_data;
adam@1334 508 ctx->log_debug = log_debug;
adam@1334 509
adam@1347 510 ctx->hasPostBody = 0;
adam@1347 511
adam@1370 512 ctx->queryString = NULL;
adam@1370 513
adamc@117 514 return ctx;
adamc@106 515 }
adamc@106 516
adamc@1113 517 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 518
adamc@1121 519 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 520 return ctx->app;
adamc@1121 521 }
adamc@1121 522
adamc@1113 523 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 524 ctx->app = app;
adamc@1094 525
adamc@1105 526 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 527 if (app->inputs_len > uw_inputs_max)
adamc@1113 528 return 1;
adamc@1113 529
adamc@1094 530 ctx->sz_inputs = app->inputs_len;
adamc@1094 531 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 532 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 533 }
adamc@1134 534
adamc@1134 535 return 0;
adamc@1094 536 }
adamc@1094 537
adamc@1121 538 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 539 uw_copy_client_data(ctx->client_data, data);
adamc@1121 540 }
adamc@1121 541
adamc@311 542 void uw_set_db(uw_context ctx, void *db) {
adamc@272 543 ctx->db = db;
adamc@272 544 }
adamc@272 545
adamc@311 546 void *uw_get_db(uw_context ctx) {
adamc@272 547 return ctx->db;
adamc@272 548 }
adamc@272 549
adamc@311 550 void uw_free(uw_context ctx) {
adamc@671 551 size_t i;
adamc@671 552
adam@1369 553 uw_buffer_free(&ctx->outHeaders);
adam@1369 554 uw_buffer_free(&ctx->script);
adam@1369 555 uw_buffer_free(&ctx->page);
adam@1369 556 uw_buffer_free(&ctx->heap);
adamc@144 557 free(ctx->inputs);
adamc@756 558 free(ctx->subinputs);
adamc@425 559 free(ctx->cleanup);
adamc@771 560 free(ctx->transactionals);
adamc@1121 561 uw_free_client_data(ctx->client_data);
adamc@671 562
adamc@682 563 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 564 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 565 free(ctx->deltas);
adamc@671 566
adamc@1061 567 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 568 if (ctx->globals[i].free)
adamc@1089 569 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 570 free(ctx->globals);
adamc@1061 571
adamc@136 572 free(ctx);
adamc@136 573 }
adamc@136 574
adamc@562 575 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 576 uw_buffer_reset(&ctx->outHeaders);
adam@1369 577 uw_buffer_reset(&ctx->script);
adamc@667 578 ctx->script.start[0] = 0;
adam@1369 579 uw_buffer_reset(&ctx->page);
adamc@1065 580 ctx->returning_indirectly = 0;
adam@1369 581 uw_buffer_reset(&ctx->heap);
adamc@323 582 ctx->regions = NULL;
adamc@425 583 ctx->cleanup_front = ctx->cleanup;
adamc@565 584 ctx->source_count = 0;
adamc@682 585 ctx->used_deltas = 0;
adamc@682 586 ctx->client = NULL;
adamc@759 587 ctx->cur_container = NULL;
adamc@771 588 ctx->used_transactionals = 0;
adamc@1117 589 ctx->script_header = "";
adam@1347 590 ctx->hasPostBody = 0;
adam@1370 591 ctx->queryString = NULL;
adamc@167 592 }
adamc@167 593
adamc@562 594 void uw_reset_keep_request(uw_context ctx) {
adamc@562 595 uw_reset_keep_error_message(ctx);
adamc@562 596 ctx->error_message[0] = 0;
adamc@167 597 }
adamc@167 598
adamc@311 599 void uw_reset(uw_context ctx) {
adamc@311 600 uw_reset_keep_request(ctx);
adamc@1105 601 if (ctx->app)
adamc@1105 602 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 603 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 604 ctx->used_subinputs = 0;
adamc@144 605 }
adamc@144 606
adamc@311 607 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 608 int r = setjmp(ctx->jmp_buf);
adamc@272 609
adamc@1105 610 if (r == 0 && ctx->app)
adamc@1094 611 ctx->app->db_init(ctx);
adamc@272 612
adamc@272 613 return r;
adamc@272 614 }
adamc@272 615
adamc@1118 616 void uw_close(uw_context ctx) {
adamc@1118 617 ctx->app->db_close(ctx);
adamc@1118 618 }
adamc@1118 619
adamc@854 620 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 621 ctx->get_header = get_header;
adamc@854 622 ctx->get_header_data = get_header_data;
adamc@742 623 }
adamc@742 624
adamc@801 625 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 626 va_list ap;
adamc@801 627 va_start(ap, fmt);
adamc@801 628
adamc@801 629 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 630 }
adamc@801 631
adamc@1131 632 int uw_has_error(uw_context ctx) {
adamc@1131 633 return ctx->error_message[0] != 0;
adamc@1131 634 }
adamc@1131 635
adamc@311 636 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 637 cleanup *cl;
adamc@425 638
adamc@167 639 va_list ap;
adamc@167 640 va_start(ap, fmt);
adamc@167 641
adamc@167 642 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 643
adamc@425 644 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 645 cl->func(cl->arg);
adamc@425 646
adamc@425 647 ctx->cleanup_front = ctx->cleanup;
adamc@425 648
adamc@190 649 longjmp(ctx->jmp_buf, fk);
adamc@167 650 }
adamc@167 651
adamc@1113 652 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 653
adamc@425 654 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 655 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 656 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 657 if (len == 0)
adamc@425 658 newLen = 1;
adamc@425 659 else
adamc@428 660 newLen = len * 2;
adamc@1113 661
adamc@1134 662 if (newLen > uw_cleanup_max) {
adamc@1113 663 if (len+1 <= uw_cleanup_max)
adamc@1113 664 newLen = uw_cleanup_max;
adamc@1113 665 else
adamc@1113 666 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 667 }
adamc@1113 668
adamc@470 669 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 670 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 671 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 672 }
adamc@425 673
adamc@425 674 ctx->cleanup_front->func = func;
adamc@425 675 ctx->cleanup_front->arg = arg;
adamc@425 676 ++ctx->cleanup_front;
adamc@425 677 }
adamc@425 678
adamc@682 679 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 680 return ctx->get_header(ctx->get_header_data, h);
adamc@682 681 }
adamc@682 682
adamc@682 683 void uw_login(uw_context ctx) {
adamc@693 684 if (ctx->needs_push) {
adamc@682 685 char *id_s, *pass_s;
adamc@682 686
adamc@682 687 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 688 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 689 unsigned id = atoi(id_s);
adamc@682 690 int pass = atoi(pass_s);
adamc@682 691 client *c = find_client(id);
adamc@682 692
adamc@682 693 if (c == NULL)
adamc@682 694 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 695 else {
adamc@685 696 use_client(c);
adamc@682 697 ctx->client = c;
adamc@682 698
adamc@682 699 if (c->mode != USED)
adamc@682 700 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 701 if (c->pass != pass)
adamc@682 702 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 703 }
adamc@682 704 } else {
adamc@682 705 client *c = new_client();
adamc@1113 706
adamc@1113 707 if (c == NULL)
adamc@1113 708 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 709
adamc@685 710 use_client(c);
adamc@1121 711 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 712 ctx->client = c;
adamc@864 713 }
adamc@682 714 }
adamc@682 715 }
adamc@682 716
adamc@671 717 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 718 int r = setjmp(ctx->jmp_buf);
adamc@671 719
adamc@671 720 if (r == 0) {
adamc@1094 721 if (ctx->app->db_begin(ctx))
adamc@671 722 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 723
adamc@1094 724 ctx->app->handle(ctx, path);
adamc@671 725 }
adamc@671 726
adamc@671 727 return r;
adamc@671 728 }
adamc@671 729
adam@1294 730 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294 731 int r = setjmp(ctx->jmp_buf);
adam@1294 732
adam@1294 733 if (ctx->app->on_error) {
adam@1294 734 if (r == 0) {
adam@1294 735 if (ctx->app->db_begin(ctx))
adam@1294 736 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294 737
adam@1294 738 ctx->app->on_error(ctx, msg);
adam@1294 739 }
adam@1294 740
adam@1294 741 return r;
adam@1294 742 } else
adam@1294 743 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294 744 }
adam@1294 745
adamc@772 746 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 747 if (ctx->client == NULL)
adamc@682 748 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 749
adamc@682 750 return ctx->client->id;
adamc@682 751 }
adamc@682 752
adamc@425 753 void uw_pop_cleanup(uw_context ctx) {
adamc@425 754 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 755 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 756
adamc@425 757 --ctx->cleanup_front;
adamc@425 758 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 759 }
adamc@425 760
adamc@311 761 char *uw_error_message(uw_context ctx) {
adamc@167 762 return ctx->error_message;
adamc@167 763 }
adamc@167 764
adamc@1115 765 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 766 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 767 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 768 }
adamc@1115 769
adamc@759 770 static input *INP(uw_context ctx) {
adamc@759 771 if (ctx->cur_container == NULL)
adamc@759 772 return ctx->inputs;
adamc@759 773 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 774 return ctx->cur_container->data.subform.fields;
adamc@759 775 else if (ctx->cur_container->kind == ENTRY)
adamc@759 776 return ctx->cur_container->data.entry.fields;
adamc@759 777 else
adamc@760 778 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 779 }
adamc@759 780
adamc@760 781 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 782 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 783 *ptr += new_start - old_start;
adamc@760 784 }
adamc@760 785
adamc@760 786 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 787 switch (x->kind) {
adamc@759 788 case SUBFORM:
adamc@760 789 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 790 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 791 break;
adamc@759 792 case SUBFORMS:
adamc@760 793 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 794 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 795 break;
adamc@759 796 case ENTRY:
adamc@760 797 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 798 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 799 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 800 break;
adamc@1134 801 default:
adamc@1134 802 break;
adamc@759 803 }
adamc@759 804 }
adamc@759 805
adamc@1113 806 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 807
adamc@759 808 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 809 size_t i;
adamc@759 810 input *r;
adamc@759 811
adamc@759 812 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 813 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 814 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 815
adamc@759 816 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 817
adamc@760 818 if (ctx->subinputs != new_subinputs) {
adamc@760 819 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 820 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 821 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 822 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 823
adamc@760 824 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 825
adamc@760 826 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 827 ctx->subinputs = new_subinputs;
adamc@760 828 }
adamc@759 829 }
adamc@759 830
adamc@759 831 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 832
adamc@759 833 for (i = 0; i < len; ++i)
adamc@759 834 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 835
adamc@759 836 return r;
adamc@759 837 }
adamc@756 838
adamc@801 839 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 840 //printf("Input name %s\n", name);
adamc@1038 841
adamc@756 842 if (!strcasecmp(name, ".b")) {
adamc@1094 843 int n = ctx->app->input_num(value);
adamc@756 844 input *inps;
adamc@756 845
adamc@801 846 if (n < 0) {
adamc@801 847 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 848 return -1;
adamc@801 849 }
adamc@801 850
adamc@1094 851 if (n >= ctx->app->inputs_len) {
adamc@801 852 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 853 return -1;
adamc@801 854 }
adamc@756 855
adamc@1094 856 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 857
adamc@759 858 INP(ctx)[n].kind = SUBFORM;
adamc@759 859 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 860 INP(ctx)[n].data.subform.fields = inps;
adamc@759 861 ctx->cur_container = &INP(ctx)[n];
adamc@756 862 } else if (!strcasecmp(name, ".e")) {
adamc@756 863 input *tmp;
adamc@756 864
adamc@801 865 if (ctx->cur_container == NULL) {
adamc@801 866 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 867 return -1;
adamc@801 868 }
adamc@756 869
adamc@759 870 tmp = ctx->cur_container;
adamc@759 871 switch (tmp->kind) {
adamc@759 872 case SUBFORM:
adamc@759 873 ctx->cur_container = tmp->data.subform.parent;
adamc@759 874 tmp->data.subform.parent = NULL;
adamc@759 875 break;
adamc@759 876 case SUBFORMS:
adamc@759 877 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 878 tmp->data.subforms.parent = NULL;
adamc@759 879 break;
adamc@759 880 case ENTRY:
adamc@759 881 ctx->cur_container = tmp->data.entry.parent;
adamc@759 882 break;
adamc@759 883 default:
adamc@801 884 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 885 return -1;
adamc@759 886 }
adamc@759 887 } else if (!strcasecmp(name, ".s")) {
adamc@1094 888 int n = ctx->app->input_num(value);
adamc@759 889
adamc@801 890 if (n < 0) {
adamc@801 891 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 892 return -1;
adamc@801 893 }
adamc@801 894
adamc@1094 895 if (n >= ctx->app->inputs_len) {
adamc@801 896 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 897 return -1;
adamc@801 898 }
adamc@759 899
adamc@759 900 INP(ctx)[n].kind = SUBFORMS;
adamc@759 901 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 902 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 903 ctx->cur_container = &INP(ctx)[n];
adamc@759 904 } else if (!strcasecmp(name, ".i")) {
adamc@759 905 input *inps;
adamc@759 906
adamc@801 907 if (!ctx->cur_container) {
adamc@801 908 uw_set_error(ctx, "New entry without container");
adamc@801 909 return -1;
adamc@801 910 }
adamc@801 911
adamc@801 912 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 913 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 914 return -1;
adamc@801 915 }
adamc@759 916
adamc@1094 917 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 918
adamc@759 919 inps->kind = ENTRY;
adamc@759 920 inps->data.entry.parent = ctx->cur_container;
adamc@759 921 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 922 ctx->cur_container->data.subforms.entries = inps;
adamc@759 923
adamc@759 924 inps->data.entry.fields = inps+1;
adamc@759 925 ctx->cur_container = inps;
adamc@756 926 } else {
adamc@1094 927 int n = ctx->app->input_num(name);
adamc@756 928
adamc@801 929 if (n < 0) {
adamc@1038 930 if (!strcmp(name, "null"))
adamc@1038 931 return 0;
adamc@801 932 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 933 return -1;
adamc@801 934 }
adamc@801 935
adamc@1094 936 if (n >= ctx->app->inputs_len) {
adamc@801 937 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 938 return -1;
adamc@801 939 }
adamc@756 940
adamc@756 941 INP(ctx)[n].kind = NORMAL;
adamc@756 942 INP(ctx)[n].data.normal = value;
adamc@756 943 }
adamc@801 944
adamc@801 945 return 0;
adamc@144 946 }
adamc@144 947
adamc@311 948 char *uw_get_input(uw_context ctx, int n) {
adamc@169 949 if (n < 0)
adamc@311 950 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 951 if (n >= ctx->app->inputs_len)
adamc@311 952 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 953
adamc@756 954 switch (INP(ctx)[n].kind) {
adamc@737 955 case UNSET:
adamc@737 956 return NULL;
adamc@739 957 case FIL:
adamc@739 958 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 959 case SUBFORM:
adamc@756 960 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 961 case SUBFORMS:
adamc@759 962 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 963 case ENTRY:
adamc@759 964 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 965 case NORMAL:
adamc@756 966 return INP(ctx)[n].data.normal;
adamc@737 967 default:
adamc@737 968 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 969 }
adamc@138 970 }
adamc@138 971
adamc@311 972 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 973 if (n < 0)
adamc@311 974 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 975 if (n >= ctx->app->inputs_len)
adamc@311 976 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 977
adamc@756 978 switch (INP(ctx)[n].kind) {
adamc@737 979 case UNSET:
adamc@737 980 return "";
adamc@739 981 case FIL:
adamc@739 982 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 983 case SUBFORM:
adamc@756 984 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 985 case SUBFORMS:
adamc@759 986 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 987 case ENTRY:
adamc@759 988 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 989 case NORMAL:
adamc@756 990 return INP(ctx)[n].data.normal;
adamc@737 991 default:
adamc@737 992 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 993 }
adamc@737 994 }
adamc@737 995
adamc@801 996 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 997 int n = ctx->app->input_num(name);
adamc@737 998
adamc@801 999 if (n < 0) {
adamc@801 1000 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 1001 return -1;
adamc@801 1002 }
adamc@801 1003
adamc@1094 1004 if (n >= ctx->app->inputs_len) {
adamc@801 1005 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 1006 return -1;
adamc@801 1007 }
adamc@737 1008
adamc@739 1009 ctx->inputs[n].kind = FIL;
adamc@739 1010 ctx->inputs[n].data.file = f;
adamc@801 1011
adamc@801 1012 return 0;
adamc@737 1013 }
adamc@737 1014
adamc@739 1015 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1016
adamc@739 1017 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1018 if (n < 0)
adamc@737 1019 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1020 if (n >= ctx->app->inputs_len)
adamc@737 1021 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1022
adamc@756 1023 switch (INP(ctx)[n].kind) {
adamc@737 1024 case UNSET:
adamc@737 1025 {
adamc@739 1026 char *data = uw_malloc(ctx, 0);
adamc@740 1027 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1028 return f;
adamc@737 1029 }
adamc@739 1030 case FIL:
adamc@756 1031 return INP(ctx)[n].data.file;
adamc@737 1032 case NORMAL:
adamc@737 1033 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1034 case SUBFORM:
adamc@756 1035 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1036 case SUBFORMS:
adamc@759 1037 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1038 case ENTRY:
adamc@759 1039 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1040 default:
adamc@737 1041 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1042 }
adamc@190 1043 }
adamc@190 1044
adamc@756 1045 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1046 if (n < 0)
adamc@756 1047 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1048 if (n >= ctx->app->inputs_len)
adamc@756 1049 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1050
adamc@756 1051 switch (INP(ctx)[n].kind) {
adamc@756 1052 case UNSET:
adamc@756 1053 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1054 case FIL:
adamc@756 1055 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1056 case NORMAL:
adamc@756 1057 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1058 case SUBFORMS:
adamc@759 1059 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1060 case ENTRY:
adamc@759 1061 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1062 case SUBFORM:
adamc@759 1063 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1064 ctx->cur_container = &INP(ctx)[n];
adamc@756 1065 return;
adamc@756 1066 default:
adamc@756 1067 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1068 }
adamc@756 1069 }
adamc@756 1070
adamc@756 1071 void uw_leave_subform(uw_context ctx) {
adamc@756 1072 input *tmp;
adamc@756 1073
adamc@759 1074 if (ctx->cur_container == NULL)
adamc@756 1075 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1076
adamc@759 1077 tmp = ctx->cur_container;
adamc@759 1078 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1079 tmp->data.subform.parent = NULL;
adamc@759 1080 }
adamc@759 1081
adamc@759 1082 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1083 input *inps;
adamc@759 1084
adamc@759 1085 if (n < 0)
adamc@759 1086 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1087 if (n >= ctx->app->inputs_len)
adamc@759 1088 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1089
adamc@759 1090 switch (INP(ctx)[n].kind) {
adamc@759 1091 case UNSET:
adamc@759 1092 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1093 case FIL:
adamc@759 1094 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1095 case NORMAL:
adamc@759 1096 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1097 case SUBFORM:
adamc@759 1098 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1099 case ENTRY:
adamc@759 1100 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1101 case SUBFORMS:
adamc@759 1102 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1103 if (inps) {
adamc@759 1104 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1105 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1106 return 1;
adamc@759 1107 } else
adamc@759 1108 return 0;
adamc@759 1109 default:
adamc@759 1110 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1111 }
adamc@759 1112 }
adamc@759 1113
adamc@759 1114 int uw_next_entry(uw_context ctx) {
adamc@759 1115 if (ctx->cur_container == NULL)
adamc@759 1116 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1117
adamc@759 1118 switch (ctx->cur_container->kind) {
adamc@759 1119 case UNSET:
adamc@759 1120 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1121 case FIL:
adamc@759 1122 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1123 case NORMAL:
adamc@759 1124 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1125 case SUBFORM:
adamc@759 1126 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1127 case SUBFORMS:
adamc@759 1128 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1129 case ENTRY:
adamc@759 1130 if (ctx->cur_container->data.entry.next) {
adamc@759 1131 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1132 return 1;
adamc@759 1133 } else {
adamc@759 1134 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1135 return 0;
adamc@759 1136 }
adamc@759 1137 default:
adamc@759 1138 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1139 }
adamc@756 1140 }
adamc@756 1141
adamc@643 1142 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1143 ctx->script_header = s;
adamc@643 1144 }
adamc@643 1145
adamc@1094 1146 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1147 return ctx->app->url_prefix;
adamc@667 1148 }
adamc@667 1149
adamc@693 1150 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1151 ctx->needs_push = n;
adamc@693 1152 }
adamc@693 1153
adamc@736 1154 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1155 ctx->needs_sig = n;
adamc@736 1156 }
adamc@736 1157
adamc@667 1158
adam@1369 1159 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1160 if (b->back - b->front < extra) {
adamc@666 1161 size_t desired = b->front - b->start + extra, next;
adamc@136 1162 char *new_heap;
adamc@136 1163
adamc@666 1164 next = b->back - b->start;
adamc@317 1165 if (next == 0)
adamc@317 1166 next = 1;
adamc@317 1167 for (; next < desired; next *= 2);
adamc@136 1168
adamc@1134 1169 if (next > b->max) {
adamc@1113 1170 if (desired <= b->max)
adamc@1113 1171 next = desired;
adamc@1113 1172 else
adamc@1113 1173 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1174 }
adamc@1113 1175
adamc@666 1176 new_heap = realloc(b->start, next);
adamc@666 1177 b->front = new_heap + (b->front - b->start);
adamc@666 1178 b->back = new_heap + next;
adamc@136 1179
adamc@667 1180 if (new_heap != b->start) {
adamc@666 1181 b->start = new_heap;
adamc@666 1182 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1183 }
adamc@136 1184
adamc@666 1185 b->start = new_heap;
adamc@136 1186 }
adamc@136 1187 }
adamc@136 1188
adamc@832 1189 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1190 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1191 }
adamc@666 1192
adamc@832 1193 char *uw_heap_front(uw_context ctx) {
adamc@832 1194 return ctx->heap.front;
adamc@832 1195 }
adamc@832 1196
adamc@832 1197 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1198 ctx->heap.front = fr;
adamc@832 1199 }
adamc@832 1200
adamc@311 1201 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1202 void *result;
adamc@136 1203
adamc@311 1204 uw_check_heap(ctx, len);
adamc@136 1205
adamc@666 1206 result = ctx->heap.front;
adamc@666 1207 ctx->heap.front += len;
adamc@136 1208 return result;
adamc@117 1209 }
adamc@117 1210
adamc@323 1211 void uw_begin_region(uw_context ctx) {
adamc@666 1212 regions *r = (regions *) ctx->heap.front;
adamc@323 1213
adamc@323 1214 uw_check_heap(ctx, sizeof(regions));
adamc@323 1215
adamc@666 1216 ctx->heap.front += sizeof(regions);
adamc@323 1217
adamc@323 1218 r->next = ctx->regions;
adamc@323 1219 ctx->regions = r;
adamc@323 1220 }
adamc@323 1221
adamc@323 1222 void uw_end_region(uw_context ctx) {
adamc@323 1223 regions *r = ctx->regions;
adamc@323 1224
adamc@323 1225 if (r == NULL)
adamc@323 1226 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1227
adamc@666 1228 ctx->heap.front = (char *) r;
adamc@323 1229 ctx->regions = r->next;
adamc@323 1230 }
adamc@323 1231
adamc@324 1232 void uw_memstats(uw_context ctx) {
adam@1369 1233 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1234 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1235 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1236 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1237 }
adamc@324 1238
adamc@311 1239 int uw_send(uw_context ctx, int sock) {
adamc@666 1240 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1241
adamc@462 1242 if (n < 0)
adamc@462 1243 return n;
adamc@462 1244
adamc@462 1245 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1246
adamc@462 1247 if (n < 0)
adamc@462 1248 return n;
adamc@462 1249
adamc@666 1250 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1251 }
adamc@462 1252
adamc@856 1253 int uw_print(uw_context ctx, int fd) {
adamc@856 1254 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1255
adamc@856 1256 if (n < 0)
adamc@856 1257 return n;
adamc@856 1258
adamc@856 1259 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1260
adamc@856 1261 if (n < 0)
adamc@856 1262 return n;
adamc@856 1263
adamc@856 1264 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1265 }
adamc@856 1266
adamc@860 1267 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1268 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1269
adamc@860 1270 if (n < 0)
adamc@860 1271 return n;
adamc@860 1272
adamc@860 1273 n = output(data, "\r\n", 2);
adamc@860 1274
adamc@860 1275 if (n < 0)
adamc@860 1276 return n;
adamc@860 1277
adamc@860 1278 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1279 }
adamc@860 1280
adamc@462 1281 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1282 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1283 }
adamc@462 1284
adamc@462 1285 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1286 int len = strlen(s);
adamc@462 1287
adamc@462 1288 uw_check_headers(ctx, len + 1);
adamc@666 1289 strcpy(ctx->outHeaders.front, s);
adamc@666 1290 ctx->outHeaders.front += len;
adamc@562 1291 }
adamc@562 1292
adamc@1110 1293 void uw_clear_headers(uw_context ctx) {
adam@1369 1294 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1295 }
adamc@1110 1296
adamc@562 1297 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1298 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1299 }
adamc@562 1300
adamc@562 1301 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1302 int len = strlen(s);
adamc@562 1303
adamc@562 1304 uw_check_script(ctx, len + 1);
adamc@666 1305 strcpy(ctx->script.front, s);
adamc@666 1306 ctx->script.front += len;
adamc@562 1307 }
adamc@562 1308
adamc@645 1309 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1310 return "<sc>";
adamc@565 1311 }
adamc@565 1312
adamc@695 1313 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1314 if (s[0] == 0)
adamc@695 1315 return "";
adamc@695 1316 else {
adamc@695 1317 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1318 sprintf(r, " onload='%s'", s);
adamc@695 1319 return r;
adamc@695 1320 }
adamc@695 1321 }
adamc@695 1322
adamc@1042 1323 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1324 if (ctx->script_header[0] == 0)
adamc@1042 1325 return "";
adamc@1042 1326 else {
adamc@1042 1327 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1328 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1329 return r;
adamc@1042 1330 }
adamc@1042 1331 }
adamc@1042 1332
adamc@694 1333 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1334 if (ctx->client == NULL) {
adamc@736 1335 if (ctx->needs_sig) {
adamc@1094 1336 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1337 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1338 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1339 return r;
adamc@736 1340 }
adamc@736 1341 else
adamc@736 1342 return "";
adamc@736 1343 } else {
adamc@1094 1344 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1345 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1346 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1347 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1348 ctx->client->id,
adamc@682 1349 ctx->client->pass,
adamc@1094 1350 ctx->app->url_prefix,
adamc@1094 1351 ctx->app->timeout,
adamc@736 1352 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1353 sig,
adamc@736 1354 ctx->needs_sig ? "\";" : "");
adamc@679 1355 return r;
adamc@668 1356 }
adamc@667 1357 }
adamc@667 1358
adamc@574 1359 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1360 char *r, *s2;
adamc@574 1361
adamc@574 1362 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1363
adamc@666 1364 r = s2 = ctx->heap.front;
adamc@574 1365 *s2++ = '"';
adamc@574 1366
adamc@574 1367 for (; *s; s++) {
adam@1286 1368 unsigned char c = *s;
adamc@574 1369
adamc@574 1370 switch (c) {
adamc@574 1371 case '"':
adamc@574 1372 strcpy(s2, "\\\"");
adamc@574 1373 s2 += 2;
adamc@574 1374 break;
adamc@1027 1375 case '\'':
adamc@1027 1376 strcpy(s2, "\\047");
adamc@1027 1377 s2 += 4;
adamc@1027 1378 break;
adamc@574 1379 case '\\':
adamc@574 1380 strcpy(s2, "\\\\");
adamc@574 1381 s2 += 2;
adamc@574 1382 break;
adamc@574 1383 default:
adam@1286 1384 if (isprint((int)c) || c >= 128)
adamc@574 1385 *s2++ = c;
adamc@574 1386 else {
adamc@574 1387 sprintf(s2, "\\%3o", c);
adamc@574 1388 s2 += 4;
adamc@574 1389 }
adamc@574 1390 }
adamc@574 1391 }
adamc@574 1392
adamc@574 1393 strcpy(s2, "\"");
adamc@910 1394 ctx->heap.front = s2 + 2;
adamc@574 1395 return r;
adamc@574 1396 }
adamc@574 1397
adam@1286 1398 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1399 unsigned char c = c1;
adamc@1025 1400 char *r, *s2;
adamc@1025 1401
adamc@1025 1402 uw_check_heap(ctx, 6);
adamc@1025 1403
adamc@1025 1404 r = s2 = ctx->heap.front;
adamc@1025 1405 *s2++ = '"';
adamc@1025 1406
adamc@1025 1407 switch (c) {
adamc@1025 1408 case '"':
adamc@1025 1409 strcpy(s2, "\\\"");
adamc@1025 1410 s2 += 2;
adamc@1025 1411 break;
adamc@1027 1412 case '\'':
adamc@1027 1413 strcpy(s2, "\\047");
adamc@1027 1414 s2 += 4;
adamc@1027 1415 break;
adamc@1025 1416 case '\\':
adamc@1025 1417 strcpy(s2, "\\\\");
adamc@1025 1418 s2 += 2;
adamc@1025 1419 break;
adamc@1025 1420 default:
adam@1286 1421 if (isprint((int)c) || c >= 128)
adamc@1025 1422 *s2++ = c;
adamc@1025 1423 else {
adam@1286 1424 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025 1425 s2 += 4;
adamc@1025 1426 }
adamc@1025 1427 }
adamc@1025 1428
adamc@1025 1429 strcpy(s2, "\"");
adamc@1025 1430 ctx->heap.front = s2 + 2;
adamc@1025 1431 return r;
adamc@1025 1432 }
adamc@1025 1433
adamc@574 1434 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1435 char *r, *s2;
adamc@574 1436
adamc@574 1437 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1438
adamc@666 1439 r = s2 = ctx->script.front;
adamc@574 1440 *s2++ = '"';
adamc@574 1441
adamc@574 1442 for (; *s; s++) {
adam@1286 1443 unsigned char c = *s;
adamc@574 1444
adamc@574 1445 switch (c) {
adamc@577 1446 case '\'':
adamc@1027 1447 strcpy(s2, "\\");
adamc@574 1448 s2 += 2;
adamc@574 1449 break;
adamc@574 1450 case '\\':
adamc@574 1451 strcpy(s2, "\\\\");
adamc@574 1452 s2 += 2;
adamc@574 1453 break;
adamc@574 1454 default:
adam@1286 1455 if (isprint((int)c) || c >= 128)
adamc@574 1456 *s2++ = c;
adamc@574 1457 else {
adamc@574 1458 sprintf(s2, "\\%3o", c);
adamc@574 1459 s2 += 4;
adamc@574 1460 }
adamc@574 1461 }
adamc@574 1462 }
adamc@574 1463
adamc@574 1464 strcpy(s2, "\"");
adamc@666 1465 ctx->script.front = s2 + 1;
adamc@574 1466 return r;
adamc@574 1467 }
adamc@574 1468
adamc@682 1469 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1470 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1471 return "null";
adamc@682 1472 else {
adamc@682 1473 int len;
adamc@682 1474 char *r;
adamc@682 1475
adamc@682 1476 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1477 r = ctx->heap.front;
adamc@682 1478 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1479 ctx->heap.front += len+1;
adamc@682 1480 return r;
adamc@682 1481 }
adamc@682 1482 }
adamc@682 1483
adamc@577 1484 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1485 int len;
adamc@577 1486 size_t s_len = strlen(s);
adamc@562 1487
adamc@970 1488 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1489 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1490 ctx->script.front += len;
adamc@666 1491 strcpy(ctx->script.front, s);
adamc@666 1492 ctx->script.front += s_len;
adamc@970 1493 strcpy(ctx->script.front, "));");
adamc@972 1494 ctx->script.front += 3;
adamc@562 1495
adamc@565 1496 return ctx->source_count++;
adamc@117 1497 }
adamc@117 1498
adamc@577 1499 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1500 int len;
adamc@577 1501 size_t s_len = strlen(s);
adamc@577 1502
adamc@970 1503 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1504 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1505 ctx->script.front += len;
adamc@666 1506 strcpy(ctx->script.front, s);
adamc@666 1507 ctx->script.front += s_len;
adamc@970 1508 strcpy(ctx->script.front, "));");
adamc@972 1509 ctx->script.front += 3;
adamc@577 1510
adamc@577 1511 return uw_unit_v;
adamc@577 1512 }
adamc@577 1513
adamc@311 1514 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1515 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1516 }
adamc@117 1517
adamc@311 1518 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1519 *(ctx->page.front)++ = c;
adamc@117 1520 }
adamc@117 1521
adamc@311 1522 void uw_writec(uw_context ctx, char c) {
adamc@311 1523 uw_check(ctx, 1);
adamc@311 1524 uw_writec_unsafe(ctx, c);
adamc@117 1525 }
adamc@117 1526
adamc@311 1527 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1528 int len = strlen(s);
adamc@666 1529 memcpy(ctx->page.front, s, len);
adamc@666 1530 ctx->page.front += len;
adamc@117 1531 }
adamc@117 1532
adamc@311 1533 void uw_write(uw_context ctx, const char* s) {
adamc@311 1534 uw_check(ctx, strlen(s) + 1);
adamc@311 1535 uw_write_unsafe(ctx, s);
adamc@666 1536 *ctx->page.front = 0;
adamc@102 1537 }
adamc@106 1538
adamc@311 1539 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1540 char *result;
adamc@136 1541 int len;
adamc@311 1542 uw_check_heap(ctx, INTS_MAX);
adamc@666 1543 result = ctx->heap.front;
adamc@276 1544 sprintf(result, "%lld%n", n, &len);
adamc@666 1545 ctx->heap.front += len+1;
adamc@136 1546 return result;
adamc@106 1547 }
adamc@106 1548
adamc@311 1549 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1550 char *result;
adamc@136 1551 int len;
adamc@311 1552 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1553 result = ctx->heap.front;
adamc@136 1554 sprintf(result, "%g%n", n, &len);
adamc@666 1555 ctx->heap.front += len+1;
adamc@136 1556 return result;
adamc@106 1557 }
adamc@106 1558
adamc@311 1559 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1560 int len = strlen(s);
adamc@136 1561 char *result, *p;
adamc@311 1562 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1563
adamc@666 1564 result = p = ctx->heap.front;
adamc@136 1565
adamc@136 1566 for (; *s; s++) {
adamc@1054 1567 unsigned char c = *s;
adamc@136 1568
adamc@136 1569 if (c == '"') {
adamc@136 1570 strcpy(p, "&quot;");
adamc@136 1571 p += 6;
adamc@136 1572 } else if (c == '&') {
adamc@136 1573 strcpy(p, "&amp;");
adamc@136 1574 p += 5;
adamc@136 1575 }
adamc@1059 1576 else
adamc@136 1577 *p++ = c;
adamc@136 1578 }
adamc@136 1579
adamc@137 1580 *p++ = 0;
adamc@666 1581 ctx->heap.front = p;
adamc@136 1582 return result;
adamc@106 1583 }
adamc@106 1584
adamc@1011 1585 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1586 char *result, *p;
adamc@1011 1587 uw_check_heap(ctx, 7);
adamc@1011 1588
adamc@1011 1589 result = p = ctx->heap.front;
adamc@1011 1590
adamc@1011 1591 if (c == '"') {
adamc@1011 1592 strcpy(p, "&quot;");
adamc@1011 1593 p += 6;
adamc@1011 1594 } else if (c == '&') {
adamc@1011 1595 strcpy(p, "&amp;");
adamc@1011 1596 p += 5;
adamc@1011 1597 }
adamc@1059 1598 else
adamc@1011 1599 *p++ = c;
adamc@1011 1600
adamc@1011 1601 *p++ = 0;
adamc@1011 1602 ctx->heap.front = p;
adamc@1011 1603 return result;
adamc@1011 1604 }
adamc@1011 1605
adamc@721 1606 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1607 return s;
adamc@721 1608 }
adamc@721 1609
adamc@311 1610 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1611 int len;
adamc@117 1612
adamc@666 1613 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1614 ctx->page.front += len;
adamc@106 1615 }
adamc@106 1616
adamc@428 1617 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1618 uw_check(ctx, INTS_MAX);
adamc@311 1619 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1620
adamc@428 1621 return uw_unit_v;
adamc@106 1622 }
adamc@106 1623
adamc@428 1624 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1625 int len;
adamc@117 1626
adamc@311 1627 uw_check(ctx, FLOATS_MAX);
adamc@666 1628 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1629 ctx->page.front += len;
adamc@428 1630
adamc@428 1631 return uw_unit_v;
adamc@117 1632 }
adamc@117 1633
adamc@428 1634 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1635 uw_check(ctx, strlen(s) * 6);
adamc@117 1636
adamc@106 1637 for (; *s; s++) {
adamc@1054 1638 unsigned char c = *s;
adamc@106 1639
adamc@106 1640 if (c == '"')
adamc@311 1641 uw_write_unsafe(ctx, "&quot;");
adamc@136 1642 else if (c == '&')
adamc@311 1643 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1644 else
adamc@311 1645 uw_writec_unsafe(ctx, c);
adamc@106 1646 }
adamc@428 1647
adamc@428 1648 return uw_unit_v;
adamc@106 1649 }
adamc@120 1650
adamc@1011 1651 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1652 uw_check(ctx, 6);
adamc@1011 1653
adamc@1011 1654 if (c == '"')
adamc@1011 1655 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1656 else if (c == '&')
adamc@1011 1657 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1658 else
adamc@1011 1659 uw_writec_unsafe(ctx, c);
adamc@1011 1660
adamc@1011 1661 return uw_unit_v;
adamc@1011 1662 }
adamc@1011 1663
adamc@120 1664
adamc@311 1665 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1666 int len;
adamc@137 1667 char *r;
adamc@137 1668
adamc@311 1669 uw_check_heap(ctx, INTS_MAX);
adamc@666 1670 r = ctx->heap.front;
adamc@276 1671 sprintf(r, "%lld%n", n, &len);
adamc@666 1672 ctx->heap.front += len+1;
adamc@137 1673 return r;
adamc@120 1674 }
adamc@120 1675
adamc@682 1676 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1677 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1678 return "";
adamc@682 1679 else {
adamc@682 1680 int len;
adamc@682 1681 char *r;
adamc@679 1682
adamc@682 1683 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1684 r = ctx->heap.front;
adamc@682 1685 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1686 ctx->heap.front += len+1;
adamc@682 1687 return r;
adamc@682 1688 }
adamc@679 1689 }
adamc@679 1690
adamc@311 1691 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1692 int len;
adamc@137 1693 char *r;
adamc@137 1694
adamc@311 1695 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1696 r = ctx->heap.front;
adamc@137 1697 sprintf(r, "%g%n", n, &len);
adamc@666 1698 ctx->heap.front += len+1;
adamc@137 1699 return r;
adamc@120 1700 }
adamc@120 1701
adamc@311 1702 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1703 char *r, *p;
adamc@137 1704
adamc@925 1705 if (s[0] == '\0')
adamc@925 1706 return "_";
adamc@925 1707
adamc@925 1708 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1709
adamc@925 1710 r = p = ctx->heap.front;
adamc@925 1711 if (s[0] == '_')
adamc@925 1712 *p++ = '_';
adamc@925 1713
adamc@925 1714 for (; *s; s++) {
adamc@1087 1715 unsigned char c = *s;
adamc@137 1716
adamc@137 1717 if (c == ' ')
adamc@137 1718 *p++ = '+';
adamc@137 1719 else if (isalnum(c))
adamc@137 1720 *p++ = c;
adamc@137 1721 else {
adamc@1259 1722 sprintf(p, ".%02X", c);
adamc@137 1723 p += 3;
adamc@137 1724 }
adamc@137 1725 }
adamc@137 1726
adamc@137 1727 *p++ = 0;
adamc@666 1728 ctx->heap.front = p;
adamc@137 1729 return r;
adamc@120 1730 }
adamc@120 1731
adamc@311 1732 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1733 if (b == uw_Basis_False)
adamc@186 1734 return "0";
adamc@186 1735 else
adamc@186 1736 return "1";
adamc@186 1737 }
adamc@186 1738
adamc@311 1739 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1740 int len;
adamc@120 1741
adamc@666 1742 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1743 ctx->page.front += len;
adamc@120 1744 }
adamc@120 1745
adamc@428 1746 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1747 uw_check(ctx, INTS_MAX);
adamc@311 1748 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1749
adamc@428 1750 return uw_unit_v;
adamc@120 1751 }
adamc@120 1752
adamc@682 1753 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1754 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1755 int len;
adamc@682 1756
adamc@682 1757 uw_check(ctx, INTS_MAX + 1);
adamc@682 1758 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1759 ctx->page.front += len;
adamc@682 1760 }
adamc@682 1761
adamc@679 1762 return uw_unit_v;
adamc@679 1763 }
adamc@679 1764
adamc@428 1765 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1766 int len;
adamc@120 1767
adamc@311 1768 uw_check(ctx, FLOATS_MAX);
adamc@666 1769 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1770 ctx->page.front += len;
adamc@428 1771
adamc@428 1772 return uw_unit_v;
adamc@120 1773 }
adamc@120 1774
adamc@488 1775 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1365 1776 return uw_Basis_urlifyInt(ctx, t.seconds * 1000000 + t.microseconds);
adamc@488 1777 }
adamc@488 1778
adamc@428 1779 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1780 if (s[0] == '\0') {
adamc@925 1781 uw_check(ctx, 1);
adamc@925 1782 uw_writec_unsafe(ctx, '_');
adamc@925 1783 return uw_unit_v;
adamc@925 1784 }
adamc@925 1785
adamc@925 1786 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1787
adamc@925 1788 if (s[0] == '_')
adamc@925 1789 uw_writec_unsafe(ctx, '_');
adamc@120 1790
adamc@120 1791 for (; *s; s++) {
adamc@1087 1792 unsigned char c = *s;
adamc@120 1793
adamc@120 1794 if (c == ' ')
adamc@311 1795 uw_writec_unsafe(ctx, '+');
adamc@120 1796 else if (isalnum(c))
adamc@311 1797 uw_writec_unsafe(ctx, c);
adamc@120 1798 else {
adamc@1259 1799 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1800 ctx->page.front += 3;
adamc@120 1801 }
adamc@120 1802 }
adamc@428 1803
adamc@428 1804 return uw_unit_v;
adamc@120 1805 }
adamc@120 1806
adamc@428 1807 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1808 if (b == uw_Basis_False)
adamc@311 1809 uw_writec(ctx, '0');
adamc@186 1810 else
adamc@311 1811 uw_writec(ctx, '1');
adamc@428 1812
adamc@428 1813 return uw_unit_v;
adamc@186 1814 }
adamc@186 1815
adamc@120 1816
adamc@311 1817 static char *uw_unurlify_advance(char *s) {
adamc@144 1818 char *new_s = strchr(s, '/');
adamc@120 1819
adamc@120 1820 if (new_s)
adamc@120 1821 *new_s++ = 0;
adamc@120 1822 else
adamc@144 1823 new_s = strchr(s, 0);
adamc@144 1824
adamc@144 1825 return new_s;
adamc@144 1826 }
adamc@144 1827
adamc@311 1828 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1829 char *new_s = uw_unurlify_advance(*s);
adamc@311 1830 uw_Basis_int r;
adamc@120 1831
adamc@276 1832 r = atoll(*s);
adamc@120 1833 *s = new_s;
adamc@120 1834 return r;
adamc@120 1835 }
adamc@120 1836
adamc@311 1837 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1838 char *new_s = uw_unurlify_advance(*s);
adamc@311 1839 uw_Basis_float r;
adamc@120 1840
adamc@120 1841 r = atof(*s);
adamc@120 1842 *s = new_s;
adamc@120 1843 return r;
adamc@120 1844 }
adamc@120 1845
adamc@488 1846 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1847 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1848 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1849 return r;
adamc@488 1850 }
adamc@488 1851
adamc@1023 1852 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1853 char *s1, *s2 = s;
adamc@144 1854 int n;
adamc@136 1855
adamc@1023 1856 if (!fromClient) {
adamc@1023 1857 if (*s2 == '_')
adamc@1023 1858 ++s2;
adamc@1259 1859 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1860 s2 += 3;
adamc@1023 1861 }
adamc@925 1862
adamc@927 1863 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1864 unsigned char c = *s2;
adamc@136 1865
adamc@136 1866 switch (c) {
adamc@136 1867 case '+':
adamc@136 1868 *s1 = ' ';
adamc@136 1869 break;
adamc@136 1870 case '%':
adamc@169 1871 if (s2[1] == 0)
adamc@311 1872 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1873 if (s2[2] == 0)
adamc@311 1874 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1875 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1876 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1877 *s1 = n;
adamc@136 1878 s2 += 2;
adamc@136 1879 break;
adamc@1259 1880 case '.':
adamc@1259 1881 if (!fromClient) {
adamc@1259 1882 if (s2[1] == 0)
adamc@1259 1883 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1884 if (s2[2] == 0)
adamc@1259 1885 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1886 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1887 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1888 *s1 = n;
adamc@1259 1889 s2 += 2;
adamc@1259 1890 break;
adamc@1259 1891 }
adamc@136 1892 default:
adamc@136 1893 *s1 = c;
adamc@136 1894 }
adamc@136 1895 }
adamc@136 1896 *s1++ = 0;
adamc@144 1897 return s1;
adamc@144 1898 }
adamc@144 1899
adamc@311 1900 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1901 char *new_s = uw_unurlify_advance(*s);
adamc@311 1902 uw_Basis_bool r;
adamc@186 1903
adamc@186 1904 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1905 r = uw_Basis_False;
adamc@186 1906 else
adamc@311 1907 r = uw_Basis_True;
adamc@186 1908
adamc@186 1909 *s = new_s;
adamc@186 1910 return r;
adamc@186 1911 }
adamc@186 1912
adamc@311 1913 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1914 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1915 char *r;
adamc@1134 1916 int len;
adamc@144 1917
adamc@200 1918 len = strlen(*s);
adamc@311 1919 uw_check_heap(ctx, len + 1);
adamc@144 1920
adamc@666 1921 r = ctx->heap.front;
adamc@1023 1922 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1923 *s = new_s;
adamc@1023 1924 return r;
adamc@1023 1925 }
adamc@1023 1926
adamc@1109 1927 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1928 *s = uw_unurlify_advance(*s);
adamc@1109 1929 return uw_unit_v;
adamc@1109 1930 }
adamc@1109 1931
adamc@1023 1932 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1933 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1934 char *r;
adamc@1134 1935 int len;
adamc@1023 1936
adamc@1023 1937 len = strlen(*s);
adamc@1023 1938 uw_check_heap(ctx, len + 1);
adamc@1023 1939
adamc@1023 1940 r = ctx->heap.front;
adamc@1023 1941 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1942 *s = new_s;
adamc@136 1943 return r;
adamc@120 1944 }
adamc@135 1945
adamc@135 1946
adamc@311 1947 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1948 int len;
adamc@286 1949 char *r;
adamc@286 1950
adamc@311 1951 uw_check_heap(ctx, INTS_MAX);
adamc@666 1952 r = ctx->heap.front;
adamc@286 1953 sprintf(r, "%lld%n", n, &len);
adamc@666 1954 ctx->heap.front += len+1;
adamc@286 1955 return r;
adamc@286 1956 }
adamc@286 1957
adamc@428 1958 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1959 int len;
adamc@286 1960
adamc@311 1961 uw_check(ctx, INTS_MAX);
adamc@666 1962 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1963 ctx->page.front += len;
adamc@428 1964
adamc@428 1965 return uw_unit_v;
adamc@286 1966 }
adamc@286 1967
adam@1358 1968 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1969 unsigned int n = ch;
adam@1358 1970 int len;
adam@1358 1971 char *r;
adam@1358 1972
adam@1358 1973 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1974 r = ctx->heap.front;
adam@1358 1975 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1976 ctx->heap.front += len+1;
adam@1358 1977 return r;
adam@1358 1978 }
adam@1358 1979
adam@1358 1980 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1981 unsigned int n = ch;
adam@1358 1982 int len;
adam@1358 1983
adam@1358 1984 uw_check(ctx, INTS_MAX+3);
adam@1358 1985 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1986 ctx->page.front += len;
adam@1358 1987 return uw_unit_v;
adam@1358 1988 }
adam@1358 1989
adamc@311 1990 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1991 int len;
adamc@286 1992 char *r;
adamc@286 1993
adamc@311 1994 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1995 r = ctx->heap.front;
adamc@286 1996 sprintf(r, "%g%n", n, &len);
adamc@666 1997 ctx->heap.front += len+1;
adamc@286 1998 return r;
adamc@286 1999 }
adamc@286 2000
adamc@428 2001 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2002 int len;
adamc@286 2003
adamc@311 2004 uw_check(ctx, FLOATS_MAX);
adamc@666 2005 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2006 ctx->page.front += len;
adamc@428 2007
adamc@428 2008 return uw_unit_v;
adamc@286 2009 }
adamc@286 2010
adam@1365 2011 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2012 int len;
adam@1360 2013 char *r;
adam@1360 2014
adam@1360 2015 uw_check_heap(ctx, INTS_MAX);
adam@1360 2016 r = ctx->heap.front;
adam@1365 2017 sprintf(r, "%lld%n", (uw_Basis_int)(t.seconds * 1000000 + t.microseconds), &len);
adam@1360 2018 ctx->heap.front += len+1;
adam@1360 2019 return r;
adam@1360 2020 }
adam@1360 2021
adam@1365 2022 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2023 int len;
adam@1360 2024
adam@1360 2025 uw_check(ctx, INTS_MAX);
adam@1360 2026 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2027 ctx->page.front += len;
adam@1360 2028
adam@1360 2029 return uw_unit_v;
adam@1360 2030 }
adam@1360 2031
adamc@311 2032 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 2033 char *r, *s2;
adamc@137 2034
adamc@311 2035 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2036
adamc@666 2037 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2038 unsigned char c = *s;
adamc@137 2039
adamc@137 2040 switch (c) {
adamc@137 2041 case '<':
adamc@137 2042 strcpy(s2, "&lt;");
adamc@137 2043 s2 += 4;
adamc@137 2044 break;
adamc@137 2045 case '&':
adamc@137 2046 strcpy(s2, "&amp;");
adamc@137 2047 s2 += 5;
adamc@137 2048 break;
adamc@137 2049 default:
adamc@1059 2050 *s2++ = c;
adamc@137 2051 }
adamc@137 2052 }
adamc@137 2053
adamc@137 2054 *s2++ = 0;
adamc@666 2055 ctx->heap.front = s2;
adamc@137 2056 return r;
adamc@135 2057 }
adamc@135 2058
adamc@428 2059 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2060 uw_check(ctx, strlen(s) * 6);
adamc@135 2061
adamc@135 2062 for (; *s; s++) {
adamc@1054 2063 unsigned char c = *s;
adamc@135 2064
adamc@135 2065 switch (c) {
adamc@135 2066 case '<':
adamc@311 2067 uw_write_unsafe(ctx, "&lt;");
adamc@135 2068 break;
adamc@135 2069 case '&':
adamc@311 2070 uw_write_unsafe(ctx, "&amp;");
adamc@135 2071 break;
adamc@135 2072 default:
adamc@1059 2073 uw_writec_unsafe(ctx, c);
adamc@135 2074 }
adamc@135 2075 }
adamc@428 2076
adamc@428 2077 return uw_unit_v;
adamc@135 2078 }
adamc@180 2079
adamc@311 2080 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2081 if (b == uw_Basis_False)
adamc@286 2082 return "False";
adamc@286 2083 else
adamc@286 2084 return "True";
adamc@286 2085 }
adamc@286 2086
adamc@428 2087 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2088 if (b == uw_Basis_False) {
adamc@311 2089 uw_check(ctx, 6);
adamc@666 2090 strcpy(ctx->page.front, "False");
adamc@666 2091 ctx->page.front += 5;
adamc@286 2092 } else {
adamc@311 2093 uw_check(ctx, 5);
adamc@666 2094 strcpy(ctx->page.front, "True");
adamc@666 2095 ctx->page.front += 4;
adamc@286 2096 }
adamc@428 2097
adamc@428 2098 return uw_unit_v;
adamc@286 2099 }
adamc@286 2100
adamc@436 2101 #define TIME_FMT "%x %X"
adamc@438 2102 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2103
adamc@436 2104 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2105 size_t len;
adamc@436 2106 char *r;
adamc@436 2107 struct tm stm;
adamc@436 2108
adam@1365 2109 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2110 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2111 r = ctx->heap.front;
adamc@436 2112 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2113 ctx->heap.front += len+1;
adamc@436 2114 return r;
adamc@436 2115 } else
adamc@436 2116 return "<i>Invalid time</i>";
adamc@436 2117 }
adamc@436 2118
adamc@436 2119 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2120 size_t len;
adamc@436 2121 char *r;
adamc@436 2122 struct tm stm;
adamc@436 2123
adam@1365 2124 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2125 uw_check(ctx, TIMES_MAX);
adamc@666 2126 r = ctx->page.front;
adamc@436 2127 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2128 ctx->page.front += len;
adamc@436 2129 } else {
adamc@436 2130 uw_check(ctx, 20);
adamc@666 2131 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2132 ctx->page.front += 19;
adamc@436 2133 }
adamc@436 2134
adamc@436 2135 return uw_unit_v;
adamc@436 2136 }
adamc@436 2137
adamc@821 2138 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2139 if (n >= 0 && n < strlen(s))
adamc@821 2140 return s[n];
adamc@821 2141 else
adamc@821 2142 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 2143 }
adamc@821 2144
adamc@821 2145 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2146 if (n >= 0 && n < strlen(s))
adamc@821 2147 return &s[n];
adamc@821 2148 else
adamc@821 2149 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 2150 }
adamc@821 2151
adamc@828 2152 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2153 return strlen(s);
adamc@828 2154 }
adamc@828 2155
adamc@829 2156 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2157 return strchr(s, ch);
adamc@829 2158 }
adamc@829 2159
adamc@831 2160 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2161 return strcspn(s, chs);
adamc@831 2162 }
adamc@831 2163
adamc@829 2164 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2165 uw_Basis_string r = strchr(s, ch);
adamc@829 2166 if (r == NULL)
adamc@829 2167 return NULL;
adamc@829 2168 else {
adamc@829 2169 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2170 *nr = r - s;
adamc@829 2171 return nr;
adamc@829 2172 }
adamc@829 2173 }
adamc@829 2174
adamc@311 2175 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2176 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2177 char *s;
adamc@180 2178
adamc@311 2179 uw_check_heap(ctx, len);
adamc@180 2180
adamc@666 2181 s = ctx->heap.front;
adamc@180 2182
adamc@180 2183 strcpy(s, s1);
adamc@180 2184 strcat(s, s2);
adamc@666 2185 ctx->heap.front += len;
adamc@180 2186
adamc@180 2187 return s;
adamc@180 2188 }
adamc@278 2189
adamc@829 2190 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2191 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2192
adamc@829 2193 if (start < 0)
adamc@829 2194 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2195 if (len < 0)
adamc@829 2196 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2197 if (start + len > full_len)
adamc@829 2198 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2199
adamc@829 2200 if (start + len == full_len)
adamc@829 2201 return &s[start];
adamc@829 2202 else {
adamc@829 2203 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2204 memcpy(r, s+start, len);
adamc@829 2205 r[len] = 0;
adamc@829 2206 return r;
adamc@829 2207 }
adamc@829 2208
adamc@829 2209 }
adamc@829 2210
adamc@1023 2211 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2212 char *r;
adamc@1023 2213
adamc@1023 2214 uw_check_heap(ctx, 2);
adamc@1023 2215 r = ctx->heap.front;
adamc@1023 2216 r[0] = ch;
adamc@1023 2217 r[1] = 0;
adamc@1023 2218
adamc@1023 2219 ctx->heap.front += 2;
adamc@1023 2220
adamc@1023 2221 return r;
adamc@1023 2222 }
adamc@1023 2223
adamc@737 2224 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2225 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2226 char *s;
adamc@278 2227
adamc@311 2228 uw_check_heap(ctx, len);
adamc@278 2229
adamc@666 2230 s = ctx->heap.front;
adamc@278 2231
adamc@278 2232 strcpy(s, s1);
adamc@666 2233 ctx->heap.front += len;
adamc@278 2234
adamc@278 2235 return s;
adamc@278 2236 }
adamc@280 2237
adam@1295 2238 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2239 if (ctx->error_message[0]) {
adam@1295 2240 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2241 ctx->error_message[0] = 0;
adam@1295 2242 return s;
adam@1295 2243 } else
adam@1295 2244 return NULL;
adam@1295 2245 }
adam@1295 2246
adamc@737 2247 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2248 if (s1)
adamc@737 2249 return uw_strdup(ctx, s1);
adamc@493 2250 else
adamc@493 2251 return NULL;
adamc@493 2252 }
adamc@493 2253
adamc@742 2254 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2255 char *r = uw_malloc(ctx, len);
adamc@742 2256 memcpy(r, p, len);
adamc@742 2257 return r;
adamc@742 2258 }
adamc@280 2259
adamc@879 2260 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2261
adamc@311 2262 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2263 int len;
adamc@281 2264 char *r;
adamc@281 2265
adamc@311 2266 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2267 r = ctx->heap.front;
adamc@879 2268 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2269 ctx->heap.front += len+1;
adamc@281 2270 return r;
adamc@281 2271 }
adamc@281 2272
adamc@467 2273 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2274 if (n == NULL)
adamc@467 2275 return "NULL";
adamc@467 2276 else
adamc@467 2277 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2278 }
adamc@467 2279
adamc@879 2280 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2281
adamc@311 2282 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2283 int len;
adamc@281 2284 char *r;
adamc@281 2285
adamc@311 2286 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2287 r = ctx->heap.front;
adamc@879 2288 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2289 ctx->heap.front += len+1;
adamc@281 2290 return r;
adamc@281 2291 }
adamc@281 2292
adamc@467 2293 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2294 if (n == NULL)
adamc@467 2295 return "NULL";
adamc@467 2296 else
adamc@467 2297 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2298 }
adamc@467 2299
adamc@879 2300 int uw_Estrings = 1;
adamc@879 2301 char *uw_sqlsuffixString = "::text";
adamc@1011 2302 char *uw_sqlsuffixChar = "::char";
adamc@281 2303
adamc@311 2304 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2305 char *r, *s2;
adamc@280 2306
adamc@879 2307 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2308
adamc@666 2309 r = s2 = ctx->heap.front;
adamc@879 2310 if (uw_Estrings)
adamc@879 2311 *s2++ = 'E';
adamc@280 2312 *s2++ = '\'';
adamc@280 2313
adamc@280 2314 for (; *s; s++) {
adamc@280 2315 char c = *s;
adamc@280 2316
adamc@280 2317 switch (c) {
adamc@280 2318 case '\'':
adamc@885 2319 if (uw_Estrings)
adamc@885 2320 strcpy(s2, "\\'");
adamc@885 2321 else
adamc@885 2322 strcpy(s2, "''");
adamc@280 2323 s2 += 2;
adamc@280 2324 break;
adamc@280 2325 case '\\':
adamc@885 2326 if (uw_Estrings) {
adamc@885 2327 strcpy(s2, "\\\\");
adamc@885 2328 s2 += 2;
adamc@885 2329 } else
adamc@885 2330 *s2++ = '\\';
adamc@280 2331 break;
adamc@280 2332 default:
adamc@1150 2333 if (isprint((int)c))
adamc@280 2334 *s2++ = c;
adamc@879 2335 else if (uw_Estrings) {
adamc@737 2336 sprintf(s2, "\\%03o", c);
adamc@280 2337 s2 += 4;
adamc@280 2338 }
adamc@879 2339 else
adamc@879 2340 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2341 }
adamc@280 2342 }
adamc@280 2343
adamc@879 2344 *s2++ = '\'';
adamc@879 2345 strcpy(s2, uw_sqlsuffixString);
adamc@879 2346 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2347 return r;
adamc@280 2348 }
adamc@281 2349
adamc@1011 2350 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2351 char *r, *s2;
adamc@1011 2352
adamc@1011 2353 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2354
adamc@1011 2355 r = s2 = ctx->heap.front;
adamc@1011 2356 if (uw_Estrings)
adamc@1011 2357 *s2++ = 'E';
adamc@1011 2358 *s2++ = '\'';
adamc@1011 2359
adamc@1011 2360 switch (c) {
adamc@1011 2361 case '\'':
adamc@1011 2362 if (uw_Estrings)
adamc@1011 2363 strcpy(s2, "\\'");
adamc@1011 2364 else
adamc@1011 2365 strcpy(s2, "''");
adamc@1011 2366 s2 += 2;
adamc@1011 2367 break;
adamc@1011 2368 case '\\':
adamc@1011 2369 if (uw_Estrings) {
adamc@1011 2370 strcpy(s2, "\\\\");
adamc@1011 2371 s2 += 2;
adamc@1011 2372 } else
adamc@1011 2373 *s2++ = '\\';
adamc@1011 2374 break;
adamc@1011 2375 default:
adamc@1150 2376 if (isprint((int)c))
adamc@1011 2377 *s2++ = c;
adamc@1011 2378 else if (uw_Estrings) {
adamc@1011 2379 sprintf(s2, "\\%03o", c);
adamc@1011 2380 s2 += 4;
adamc@1011 2381 }
adamc@1011 2382 else
adamc@1011 2383 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2384 }
adamc@1011 2385
adamc@1011 2386 *s2++ = '\'';
adamc@1011 2387 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2388 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2389 return r;
adamc@1011 2390 }
adamc@1011 2391
adamc@879 2392 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2393
adamc@737 2394 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2395 char *r, *s2;
adamc@737 2396 size_t i;
adamc@737 2397
adamc@879 2398 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2399
adamc@737 2400 r = s2 = ctx->heap.front;
adamc@879 2401 if (uw_Estrings)
adamc@879 2402 *s2++ = 'E';
adamc@737 2403 *s2++ = '\'';
adamc@737 2404
adamc@737 2405 for (i = 0; i < b.size; ++i) {
adamc@737 2406 char c = b.data[i];
adamc@737 2407
adamc@737 2408 switch (c) {
adamc@737 2409 case '\'':
adamc@885 2410 if (uw_Estrings)
adamc@885 2411 strcpy(s2, "\\'");
adamc@885 2412 else
adamc@885 2413 strcpy(s2, "''");
adamc@737 2414 s2 += 2;
adamc@737 2415 break;
adamc@737 2416 case '\\':
adamc@885 2417 if (uw_Estrings) {
adamc@885 2418 strcpy(s2, "\\\\\\\\");
adamc@885 2419 s2 += 4;
adamc@885 2420 } else
adamc@885 2421 *s2++ = '\\';
adamc@737 2422 break;
adamc@737 2423 default:
adamc@1150 2424 if (isprint((int)c))
adamc@737 2425 *s2++ = c;
adamc@879 2426 else if (uw_Estrings) {
adamc@737 2427 sprintf(s2, "\\\\%03o", c);
adamc@737 2428 s2 += 5;
adamc@737 2429 }
adamc@879 2430 else
adamc@879 2431 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2432 }
adamc@737 2433 }
adamc@737 2434
adamc@879 2435 *s2++ = '\'';
adamc@879 2436 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2437 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2438 return r;
adamc@737 2439 }
adamc@737 2440
adamc@682 2441 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2442 int len;
adamc@682 2443 char *r;
adamc@682 2444 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2445
adamc@682 2446 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2447 r = ctx->heap.front;
adamc@879 2448 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2449 ctx->heap.front += len+1;
adamc@682 2450 return r;
adamc@682 2451 }
adamc@682 2452
adamc@682 2453 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2454 int len;
adamc@682 2455 char *r;
adamc@682 2456 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2457
adamc@682 2458 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2459 r = ctx->heap.front;
adamc@682 2460 sprintf(r, "%lld%n", combo, &len);
adamc@682 2461 ctx->heap.front += len+1;
adamc@682 2462 return r;
adamc@682 2463 }
adamc@682 2464
adamc@879 2465 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2466
adamc@682 2467 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2468 int len;
adamc@682 2469 char *r;
adamc@682 2470
adamc@682 2471 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2472 r = ctx->heap.front;
adamc@879 2473 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2474 ctx->heap.front += len+1;
adamc@682 2475 return r;
adamc@682 2476 }
adamc@682 2477
adamc@682 2478 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2479 int len;
adamc@682 2480 char *r;
adamc@682 2481
adamc@682 2482 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2483 r = ctx->heap.front;
adamc@682 2484 sprintf(r, "%u%n", cli, &len);
adamc@682 2485 ctx->heap.front += len+1;
adamc@682 2486 return r;
adamc@682 2487 }
adamc@682 2488
adamc@467 2489 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2490 if (s == NULL)
adamc@467 2491 return "NULL";
adamc@467 2492 else
adamc@467 2493 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2494 }
adamc@467 2495
adamc@311 2496 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2497 if (b == uw_Basis_False)
adamc@281 2498 return "FALSE";
adamc@281 2499 else
adamc@281 2500 return "TRUE";
adamc@281 2501 }
adamc@282 2502
adamc@467 2503 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2504 if (b == NULL)
adamc@467 2505 return "NULL";
adamc@467 2506 else
adamc@467 2507 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2508 }
adamc@467 2509
adamc@439 2510 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2511 size_t len;
adamc@682 2512 char *r, *s;
adamc@682 2513 struct tm stm;
adamc@682 2514
adam@1365 2515 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2516 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2517 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2518 if (t.microseconds) {
adam@1367 2519 r = uw_malloc(ctx, len + 21);
adam@1367 2520 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2521 } else {
adam@1367 2522 r = uw_malloc(ctx, len + 14);
adam@1367 2523 sprintf(r, "'%s'::timestamp", s);
adam@1367 2524 }
adamc@682 2525 return r;
adamc@682 2526 } else
adamc@682 2527 return "<Invalid time>";
adamc@682 2528 }
adamc@682 2529
adamc@682 2530 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2531 size_t len;
adamc@439 2532 char *r;
adamc@439 2533 struct tm stm;
adamc@439 2534
adam@1365 2535 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2536 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2537 r = ctx->heap.front;
adamc@439 2538 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2539 ctx->heap.front += len+1;
adamc@439 2540 return r;
adamc@439 2541 } else
adamc@439 2542 return "<Invalid time>";
adamc@439 2543 }
adamc@439 2544
adam@1364 2545 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2546 size_t len;
adam@1364 2547 char *r;
adam@1364 2548 struct tm stm;
adam@1364 2549
adam@1365 2550 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2551 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2552 r = ctx->heap.front;
adam@1365 2553 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2554 ctx->heap.front += len;
adam@1365 2555 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2556 ctx->heap.front += 8;
adam@1364 2557 return r;
adam@1364 2558 } else
adam@1364 2559 return "<Invalid time>";
adam@1364 2560 }
adam@1364 2561
adamc@467 2562 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2563 if (t == NULL)
adamc@467 2564 return "NULL";
adamc@467 2565 else
adamc@467 2566 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2567 }
adamc@467 2568
adamc@311 2569 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2570 static uw_Basis_int true = 1;
adamc@311 2571 static uw_Basis_int false = 0;
adamc@282 2572
adamc@311 2573 if (b == uw_Basis_False)
adamc@282 2574 return (char *)&false;
adamc@282 2575 else
adamc@282 2576 return (char *)&true;
adamc@282 2577 }
adamc@284 2578
adamc@311 2579 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2580 int len;
adamc@284 2581 char *r;
adamc@284 2582
adamc@311 2583 uw_check_heap(ctx, INTS_MAX);
adamc@666 2584 r = ctx->heap.front;
adamc@284 2585 sprintf(r, "%lld%n", n, &len);
adamc@666 2586 ctx->heap.front += len+1;
adamc@284 2587 return r;
adamc@284 2588 }
adamc@285 2589
adamc@311 2590 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2591 int len;
adamc@285 2592 char *r;
adamc@285 2593
adamc@311 2594 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2595 r = ctx->heap.front;
adamc@285 2596 sprintf(r, "%g%n", n, &len);
adamc@666 2597 ctx->heap.front += len+1;
adamc@285 2598 return r;
adamc@285 2599 }
adamc@285 2600
adamc@821 2601 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2602 char *r = uw_malloc(ctx, 2);
adamc@821 2603 r[0] = ch;
adamc@821 2604 r[1] = 0;
adamc@821 2605 return r;
adamc@821 2606 }
adamc@821 2607
adamc@311 2608 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2609 if (b == uw_Basis_False)
adamc@285 2610 return "False";
adamc@285 2611 else
adamc@285 2612 return "True";
adamc@285 2613 }
adamc@288 2614
adamc@436 2615 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2616 size_t len;
adamc@436 2617 char *r;
adamc@436 2618 struct tm stm;
adamc@436 2619
adam@1365 2620 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2621 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2622 r = ctx->heap.front;
adamc@436 2623 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2624 ctx->heap.front += len+1;
adamc@436 2625 return r;
adamc@436 2626 } else
adamc@436 2627 return "<Invalid time>";
adamc@436 2628 }
adamc@288 2629
adam@1359 2630 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2631 size_t len;
adam@1352 2632 char *r;
adam@1352 2633 struct tm stm;
adam@1352 2634
adam@1365 2635 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2636 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2637 r = ctx->heap.front;
adam@1352 2638 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2639 ctx->heap.front += len+1;
adam@1352 2640 return r;
adam@1352 2641 } else
adam@1352 2642 return "<Invalid time>";
adam@1352 2643 }
adam@1352 2644
adamc@311 2645 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2646 char *endptr;
adamc@311 2647 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2648
adamc@288 2649 if (*s != '\0' && *endptr == '\0') {
adamc@311 2650 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2651 *r = n;
adamc@288 2652 return r;
adamc@288 2653 } else
adamc@288 2654 return NULL;
adamc@288 2655 }
adamc@289 2656
adamc@311 2657 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2658 char *endptr;
adamc@311 2659 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2660
adamc@289 2661 if (*s != '\0' && *endptr == '\0') {
adamc@311 2662 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2663 *r = n;
adamc@289 2664 return r;
adamc@289 2665 } else
adamc@289 2666 return NULL;
adamc@289 2667 }
adamc@289 2668
adamc@821 2669 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2670 if (s[0] == 0) {
adamc@821 2671 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2672 r[0] = 0;
adamc@821 2673 return r;
adamc@821 2674 } else if (s[1] != 0)
adamc@821 2675 return NULL;
adamc@821 2676 else {
adamc@821 2677 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2678 r[0] = s[0];
adamc@821 2679 return r;
adamc@821 2680 }
adamc@821 2681 }
adamc@821 2682
adamc@311 2683 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2684 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2685 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2686
adamc@289 2687 if (!strcasecmp (s, "True"))
adamc@289 2688 return &true;
adamc@289 2689 else if (!strcasecmp (s, "False"))
adamc@289 2690 return &false;
adamc@289 2691 else
adamc@289 2692 return NULL;
adamc@289 2693 }
adamc@292 2694
adamc@436 2695 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2696 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2697 struct tm stm;
adamc@436 2698
adamc@439 2699 if (dot) {
adamc@439 2700 *dot = 0;
adamc@439 2701 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2702 *dot = '.';
adamc@439 2703 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2704 r->seconds = mktime(&stm);
adam@1365 2705 r->microseconds = 0;
adamc@439 2706 return r;
adamc@439 2707 }
adamc@439 2708 else {
adamc@439 2709 *dot = '.';
adamc@439 2710 return NULL;
adamc@439 2711 }
adamc@436 2712 }
adamc@439 2713 else {
adamc@439 2714 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2715 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2716 r->seconds = mktime(&stm);
adam@1365 2717 r->microseconds = 0;
adamc@439 2718 return r;
adamc@439 2719 }
adamc@439 2720 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2721 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2722 r->seconds = mktime(&stm);
adam@1365 2723 r->microseconds = 0;
adamc@439 2724 return r;
adamc@439 2725 }
adamc@439 2726 else
adamc@439 2727 return NULL;
adamc@439 2728 }
adamc@436 2729 }
adamc@436 2730
adam@1352 2731 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2732 char *end = strchr(s, 0);
adam@1352 2733 struct tm stm;
adam@1352 2734
adam@1352 2735 if (strptime(s, fmt, &stm) == end) {
adam@1352 2736 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2737 r->seconds = mktime(&stm);
adam@1365 2738 r->microseconds = 0;
adam@1352 2739 return r;
adam@1352 2740 }
adam@1352 2741 else
adam@1352 2742 return NULL;
adam@1352 2743 }
adam@1352 2744
adamc@311 2745 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2746 char *endptr;
adamc@311 2747 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2748
adamc@292 2749 if (*s != '\0' && *endptr == '\0')
adamc@292 2750 return n;
adamc@292 2751 else
adamc@311 2752 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2753 }
adamc@293 2754
adamc@682 2755 #include <errno.h>
adamc@682 2756
adamc@678 2757 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2758 unsigned long long n;
adamc@682 2759
adamc@682 2760 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2761 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2762 else {
adamc@682 2763 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2764 return ch;
adamc@682 2765 }
adamc@682 2766 }
adamc@682 2767
adamc@682 2768 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2769 char *endptr;
adamc@682 2770 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2771
adamc@678 2772 if (*s != '\0' && *endptr == '\0')
adamc@678 2773 return n;
adamc@678 2774 else
adamc@682 2775 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2776 }
adamc@678 2777
adamc@311 2778 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2779 char *endptr;
adamc@311 2780 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2781
adamc@293 2782 if (*s != '\0' && *endptr == '\0')
adamc@293 2783 return n;
adamc@293 2784 else
adamc@311 2785 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2786 }
adamc@293 2787
adamc@821 2788 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2789 if (s[0] == 0)
adamc@821 2790 return 0;
adamc@821 2791 else if (s[1] != 0)
adamc@821 2792 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2793 else
adamc@821 2794 return s[0];
adamc@821 2795 }
adamc@821 2796
adamc@311 2797 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2798 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2799 return uw_Basis_True;
adamc@296 2800 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2801 return uw_Basis_False;
adamc@293 2802 else
adamc@311 2803 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2804 }
adamc@436 2805
adam@1352 2806 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2807 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2808 struct tm stm = {};
adam@1352 2809
adam@1352 2810 if (dot) {
adam@1352 2811 *dot = 0;
adam@1352 2812 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2813 *dot = '.';
adam@1365 2814 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365 2815 return r;
adam@1352 2816 }
adam@1352 2817 else {
adam@1352 2818 *dot = '.';
adam@1352 2819 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2820 }
adam@1352 2821 }
adam@1352 2822 else {
adam@1352 2823 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2824 uw_Basis_time r = { mktime(&stm) };
adam@1365 2825 return r;
adam@1352 2826 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2827 uw_Basis_time r = { mktime(&stm) };
adam@1365 2828 return r;
adam@1352 2829 } else
adam@1352 2830 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2831 }
adam@1352 2832 }
adam@1352 2833
adamc@436 2834 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2835 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2836 struct tm stm = {};
adamc@436 2837
adamc@438 2838 if (dot) {
adamc@438 2839 *dot = 0;
adamc@438 2840 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2841 *dot = '.';
adam@1365 2842 {
adam@1365 2843 uw_Basis_time r = { mktime(&stm) };
adam@1365 2844 return r;
adam@1365 2845 }
adamc@438 2846 }
adamc@438 2847 else {
adamc@438 2848 *dot = '.';
adamc@438 2849 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2850 }
adamc@438 2851 }
adamc@438 2852 else {
adam@1365 2853 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2854 uw_Basis_time r = { mktime(&stm) };
adam@1365 2855 return r;
adam@1365 2856 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2857 uw_Basis_time r = { mktime(&stm) };
adam@1365 2858 return r;
adam@1365 2859 } else
adamc@438 2860 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2861 }
adamc@436 2862 }
adamc@457 2863
adam@1352 2864 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2865 char *end = strchr(s, 0);
adamc@939 2866 struct tm stm = {};
adamc@939 2867
adam@1365 2868 if (strptime(s, fmt, &stm) == end) {
adam@1365 2869 uw_Basis_time r = { mktime(&stm) };
adam@1365 2870 return r;
adam@1365 2871 } else
adam@1352 2872 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2873 }
adamc@939 2874
adamc@742 2875 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2876 char *r = ctx->heap.front;
adamc@742 2877 uw_Basis_blob b = {len, r};
adamc@742 2878
adamc@742 2879 uw_check_heap(ctx, len);
adamc@742 2880
adamc@742 2881 while (*s) {
adamc@742 2882 if (s[0] == '\\') {
adamc@742 2883 if (s[1] == '\\') {
adamc@742 2884 *r++ = '\\';
adamc@742 2885 s += 2;
adamc@1153 2886 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2887 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2888 s += 4;
adamc@742 2889 }
adamc@742 2890 else {
adamc@742 2891 *r++ = '\\';
adamc@742 2892 ++s;
adamc@742 2893 }
adamc@742 2894 } else {
adamc@742 2895 *r++ = s[0];
adamc@742 2896 ++s;
adamc@742 2897 }
adamc@742 2898 }
adamc@742 2899
adamc@742 2900 b.size = r - ctx->heap.front;
adamc@742 2901 ctx->heap.front = r;
adamc@742 2902 return b;
adamc@742 2903 }
adamc@742 2904
adamc@1052 2905 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2906
adamc@463 2907 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2908 int len = strlen(c);
adamc@854 2909 char *p = ctx->outHeaders.start;
adamc@474 2910
adamc@1134 2911 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2912 char *p2;
adamc@474 2913 p += 13;
adamc@474 2914 p2 = strchr(p, '=');
adamc@474 2915
adamc@474 2916 if (p2) {
adamc@474 2917 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2918
adamc@474 2919 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2920 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2921 return NULL;
adamc@1052 2922 else {
adamc@1052 2923 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2924 memcpy(ret, p2+1, sz);
adamc@1052 2925 ret[sz] = 0;
adamc@1052 2926 return ret;
adamc@1052 2927 }
adamc@474 2928 }
adamc@474 2929 }
adamc@474 2930 }
adamc@463 2931
adamc@1134 2932 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2933 char *p2;
adamc@1051 2934
adamc@854 2935 while (1) {
adamc@1051 2936 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2937 if ((p2 = strchr(p, ';'))) {
adamc@1051 2938 size_t n = p2 - (p + len);
adamc@1051 2939 char *r = uw_malloc(ctx, n);
adamc@1051 2940 memcpy(r, p + 1 + len, n-1);
adamc@1051 2941 r[n-1] = 0;
adamc@1051 2942 return r;
adamc@1051 2943 } else
adamc@1051 2944 return p + 1 + len;
adamc@1134 2945 } else if ((p = strchr(p, ';')))
adamc@854 2946 p += 2;
adamc@463 2947 else
adamc@463 2948 return NULL;
adamc@463 2949 }
adamc@463 2950 }
adamc@792 2951
adamc@792 2952 return NULL;
adamc@457 2953 }
adamc@462 2954
adamc@1050 2955 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 2956 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2957 uw_write_header(ctx, c);
adamc@462 2958 uw_write_header(ctx, "=");
adamc@462 2959 uw_write_header(ctx, v);
adamc@466 2960 uw_write_header(ctx, "; path=");
adamc@466 2961 uw_write_header(ctx, prefix);
adamc@1050 2962 if (expires) {
adamc@1050 2963 char formatted[30];
adamc@1050 2964 struct tm tm;
adamc@1050 2965
adam@1365 2966 gmtime_r(&expires->seconds, &tm);
adamc@1050 2967
adamc@1050 2968 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2969
adamc@1050 2970 uw_write_header(ctx, "; expires=");
adamc@1050 2971 uw_write_header(ctx, formatted);
adamc@1050 2972 }
adamc@1050 2973 if (secure)
adamc@1050 2974 uw_write_header(ctx, "; secure");
adamc@462 2975 uw_write_header(ctx, "\r\n");
adamc@462 2976
adamc@462 2977 return uw_unit_v;
adamc@462 2978 }
adamc@667 2979
adamc@1050 2980 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2981 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2982 uw_write_header(ctx, c);
adamc@1050 2983 uw_write_header(ctx, "=; path=");
adamc@1050 2984 uw_write_header(ctx, prefix);
adamc@1052 2985 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2986
adamc@1050 2987 return uw_unit_v;
adamc@1050 2988 }
adamc@1050 2989
adamc@1113 2990 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 2991
adamc@682 2992 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2993 unsigned i;
adamc@682 2994 delta *d;
adamc@671 2995
adamc@682 2996 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2997 if (ctx->deltas[i].client == client)
adamc@682 2998 return &ctx->deltas[i];
adamc@671 2999
adamc@682 3000 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3001 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3002 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3003
adamc@682 3004 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3005 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3006 }
adamc@671 3007
adamc@682 3008 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3009 d->client = client;
adam@1369 3010 uw_buffer_reset(&d->msgs);
adamc@682 3011 return d;
adamc@671 3012 }
adamc@671 3013
adamc@668 3014 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3015 if (ctx->client == NULL)
adamc@682 3016 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3017
adamc@682 3018 return new_channel(ctx->client);
adamc@668 3019 }
adamc@668 3020
adamc@668 3021 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3022 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3023 size_t len;
adamc@682 3024 int preLen;
adamc@682 3025 char pre[INTS_MAX + 2];
adamc@668 3026
adamc@682 3027 len = strlen(msg);
adamc@682 3028
adamc@682 3029 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3030
adam@1369 3031 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3032 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3033 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3034
adamc@671 3035 return uw_unit_v;
adamc@668 3036 }
adamc@671 3037
adam@1327 3038 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3039 int i;
adamc@1131 3040 cleanup *cl;
adamc@1131 3041
adamc@1131 3042 if (ctx->client)
adamc@1131 3043 release_client(ctx->client);
adamc@1131 3044
adamc@1131 3045 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3046 cl->func(cl->arg);
adamc@1131 3047
adamc@1131 3048 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3049
adamc@1131 3050 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3051 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3052 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3053
adamc@1131 3054 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3055 if (ctx->transactionals[i].free)
adam@1327 3056 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3057
adamc@1144 3058 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3059 }
adamc@1131 3060
adamc@671 3061 void uw_commit(uw_context ctx) {
adamc@1104 3062 int i;
adamc@1104 3063
adamc@1131 3064 if (uw_has_error(ctx)) {
adam@1327 3065 uw_rollback(ctx, 0);
adamc@1131 3066 return;
adamc@1131 3067 }
adamc@1131 3068
adamc@1104 3069 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3070 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3071 if (ctx->transactionals[i].commit) {
adamc@1083 3072 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3073 if (uw_has_error(ctx)) {
adam@1327 3074 uw_rollback(ctx, 0);
adamc@1131 3075 return;
adamc@1131 3076 }
adamc@1131 3077 }
adamc@771 3078
adamc@1104 3079 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3080 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3081 if (ctx->transactionals[i].commit) {
adamc@1083 3082 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3083 if (uw_has_error(ctx)) {
adam@1327 3084 uw_rollback(ctx, 0);
adamc@1131 3085 return;
adamc@1131 3086 }
adamc@1131 3087 }
adamc@1131 3088
adamc@1131 3089 if (ctx->app->db_commit(ctx)) {
adamc@1131 3090 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3091 return;
adamc@1131 3092 }
adamc@682 3093
adamc@682 3094 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3095 delta *d = &ctx->deltas[i];
adamc@682 3096 client *c = find_client(d->client);
adamc@682 3097
adamc@682 3098 assert (c != NULL && c->mode == USED);
adamc@682 3099
adamc@685 3100 client_send(c, &d->msgs);
adamc@682 3101 }
adamc@682 3102
adamc@682 3103 if (ctx->client)
adamc@685 3104 release_client(ctx->client);
adamc@771 3105
adamc@1104 3106 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3107 if (ctx->transactionals[i].free)
adam@1327 3108 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3109
adamc@916 3110 // Splice script data into appropriate part of page
adamc@1065 3111 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3112 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3113 if (start) {
adam@1369 3114 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3115 ctx->page.front -= 4;
adamc@995 3116 }
adam@1369 3117 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3118 size_t len = strlen(ctx->script_header);
adamc@916 3119 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3120 if (start) {
adam@1369 3121 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3122 start = strstr(ctx->page.start, "<sc>");
adam@1369 3123 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3124 ctx->page.front += len - 4;
adamc@916 3125 memcpy(start, ctx->script_header, len);
adamc@916 3126 }
adamc@916 3127 } else {
adam@1369 3128 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3129 size_t lenP = lenH + 40 + len;
adamc@916 3130 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3131 if (start) {
adam@1369 3132 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3133 start = strstr(ctx->page.start, "<sc>");
adam@1369 3134 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3135 ctx->page.front += lenP - 4;
adamc@916 3136 memcpy(start, ctx->script_header, lenH);
adamc@916 3137 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3138 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3139 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3140 }
adamc@916 3141 }
adamc@671 3142 }
adamc@671 3143
adamc@683 3144
adamc@1113 3145 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3146
adamc@771 3147 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3148 uw_callback_with_retry free) {
adamc@771 3149 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3150 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3151 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3152 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3153 ++ctx->n_transactionals;
adamc@771 3154 }
adamc@771 3155
adamc@771 3156 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3157 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3158 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3159 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3160 }
adamc@771 3161
adamc@683 3162
adamc@683 3163 // "Garbage collection"
adamc@683 3164
adamc@1121 3165 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3166 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3167
adamc@1121 3168 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3169 int r = setjmp(ctx->jmp_buf);
adamc@683 3170
adamc@1121 3171 if (r == 0)
adamc@1121 3172 uw_do_expunge(ctx, cli, data);
adamc@1121 3173 else
adamc@1121 3174 ctx->app->db_rollback(ctx);
adamc@1121 3175
adamc@1121 3176 uw_post_expunge(ctx, data);
adamc@683 3177
adamc@683 3178 return r;
adamc@683 3179 }
adamc@683 3180
adamc@683 3181 void uw_prune_clients(uw_context ctx) {
adamc@683 3182 client *c, *next, *prev = NULL;
adamc@683 3183 time_t cutoff;
adamc@683 3184
adamc@1094 3185 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3186
adamc@683 3187 pthread_mutex_lock(&clients_mutex);
adamc@683 3188
adamc@683 3189 for (c = clients_used; c; c = next) {
adamc@683 3190 next = c->next;
adamc@683 3191 pthread_mutex_lock(&c->lock);
adamc@685 3192 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3193 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3194 if (prev)
adamc@683 3195 prev->next = next;
adamc@683 3196 else
adamc@683 3197 clients_used = next;
adamc@684 3198 uw_reset(ctx);
adamc@683 3199 while (fk == UNLIMITED_RETRY) {
adamc@1121 3200 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3201 if (fk == UNLIMITED_RETRY)
adamc@684 3202 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3203 }
adamc@684 3204 if (fk == SUCCESS)
adamc@684 3205 free_client(c);
adamc@1121 3206 else
adamc@856 3207 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3208 }
adamc@683 3209 else
adamc@683 3210 prev = c;
adamc@683 3211 pthread_mutex_unlock(&c->lock);
adamc@683 3212 }
adamc@683 3213
adamc@683 3214 pthread_mutex_unlock(&clients_mutex);
adamc@683 3215 }
adamc@687 3216
adamc@687 3217 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3218 int r = setjmp(ctx->jmp_buf);
adamc@687 3219
adamc@687 3220 if (r == 0) {
adamc@1094 3221 if (ctx->app->db_begin(ctx))
adamc@687 3222 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3223 ctx->app->initializer(ctx);
adamc@1094 3224 if (ctx->app->db_commit(ctx))
adamc@687 3225 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3226 }
adamc@687 3227
adamc@687 3228 return r;
adamc@687 3229 }
adamc@717 3230
adamc@1065 3231 static int url_bad(uw_Basis_string s) {
adamc@1065 3232 for (; *s; ++s)
adamc@1153 3233 if (!isgraph((int)*s))
adamc@1065 3234 return 1;
adamc@1065 3235
adamc@1065 3236 return 0;
adamc@1065 3237 }
adamc@1065 3238
adamc@717 3239 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3240 if (url_bad(s))
adamc@1065 3241 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3242 if (ctx->app->check_url(s))
adamc@770 3243 return s;
adamc@770 3244 else
adamc@770 3245 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3246 }
adamc@734 3247
adamc@770 3248 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3249 if (url_bad(s))
adamc@1065 3250 return NULL;
adamc@1094 3251 if (ctx->app->check_url(s))
adamc@770 3252 return s;
adamc@770 3253 else
adamc@770 3254 return NULL;
adamc@770 3255 }
adamc@770 3256
adamc@770 3257 int mime_format(const char *s) {
adamc@770 3258 for (; *s; ++s)
adamc@1153 3259 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3260 return 0;
adamc@770 3261
adamc@770 3262 return 1;
adamc@770 3263 }
adamc@770 3264
adamc@741 3265 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3266 if (!mime_format(s))
adamc@770 3267 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3268
adamc@1094 3269 if (ctx->app->check_mime(s))
adamc@770 3270 return s;
adamc@770 3271 else
adamc@770 3272 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3273 }
adamc@770 3274
adamc@770 3275 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3276 if (!mime_format(s))
adamc@770 3277 return NULL;
adamc@770 3278
adamc@1094 3279 if (ctx->app->check_mime(s))
adamc@770 3280 return s;
adamc@770 3281 else
adamc@770 3282 return NULL;
adamc@741 3283 }
adamc@741 3284
adamc@734 3285 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3286 return s ? s : "";
adamc@734 3287 }
adamc@734 3288
adamc@734 3289 extern int uw_hash_blocksize;
adamc@734 3290
adamc@734 3291 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3292 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3293 int i;
adamc@734 3294
adamc@734 3295 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3296 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3297
adamc@734 3298 return r;
adamc@734 3299 }
adamc@734 3300
adamc@734 3301 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3302 return ctx->app->cookie_sig(ctx);
adamc@734 3303 }
adamc@737 3304
adamc@737 3305 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3306 return f.name;
adamc@737 3307 }
adamc@737 3308
adamc@740 3309 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3310 return f.type;
adamc@740 3311 }
adamc@740 3312
adamc@745 3313 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3314 return b.size;
adamc@745 3315 }
adamc@745 3316
adamc@1119 3317 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3318 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3319
adamc@1119 3320 return b;
adamc@1119 3321 }
adamc@1119 3322
adamc@737 3323 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3324 return f.data;
adamc@737 3325 }
adamc@741 3326
adam@1347 3327 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3328 return pb.type;
adam@1347 3329 }
adam@1347 3330
adam@1347 3331 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3332 return pb.data;
adam@1347 3333 }
adam@1347 3334
adamc@741 3335 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3336 cleanup *cl;
adamc@741 3337 int len;
adamc@741 3338
adamc@1065 3339 ctx->returning_indirectly = 1;
adam@1369 3340 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3341 uw_buffer_reset(&ctx->page);
adamc@741 3342
adamc@856 3343 uw_write_header(ctx, on_success);
adamc@856 3344 uw_write_header(ctx, "Content-Type: ");
adamc@741 3345 uw_write_header(ctx, mimeType);
adamc@741 3346 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3347 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3348 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3349 ctx->outHeaders.front += len;
adamc@1066 3350 uw_write_header(ctx, "\r\n");
adamc@741 3351
adam@1369 3352 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3353
adamc@741 3354 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3355 cl->func(cl->arg);
adamc@741 3356
adamc@741 3357 ctx->cleanup_front = ctx->cleanup;
adamc@741 3358
adamc@1065 3359 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3360 }
adamc@1065 3361
adamc@1065 3362 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3363 cleanup *cl;
adamc@1066 3364 char *s;
adamc@1065 3365
adamc@1065 3366 ctx->returning_indirectly = 1;
adam@1369 3367 uw_buffer_reset(&ctx->page);
adam@1369 3368 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3369 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3370 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3371 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3372
adamc@1065 3373 uw_write_header(ctx, on_redirect);
adamc@1066 3374
adamc@1066 3375 s = strchr(ctx->page.start, '\n');
adamc@1066 3376 if (s) {
adamc@1066 3377 char *s2;
adamc@1134 3378 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3379 *s2 = 0;
adamc@1066 3380 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3381 uw_write_header(ctx, s);
adamc@1066 3382 uw_write_header(ctx, "\n");
adamc@1066 3383 }
adamc@1066 3384 }
adamc@1066 3385 }
adamc@1066 3386
adamc@1065 3387 uw_write_header(ctx, "Location: ");
adamc@1065 3388 uw_write_header(ctx, url);
adamc@1065 3389 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3390
adamc@1065 3391 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3392 cl->func(cl->arg);
adamc@1065 3393
adamc@1065 3394 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3395
adamc@1065 3396 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3397 }
adamc@874 3398
adamc@874 3399 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3400 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3401
adamc@874 3402 for (; *s; ++s) {
adamc@874 3403 if (s[0] == '\'') {
adamc@874 3404 *r++ = '\'';
adamc@874 3405 for (++s; *s; ++s) {
adamc@874 3406 if (s[0] == '\'') {
adamc@874 3407 *r++ = '\'';
adamc@874 3408 break;
adamc@874 3409 } else if (s[0] == '\\') {
adamc@874 3410 if (s[1] == '\\') {
adamc@874 3411 *r++ = '\\';
adamc@874 3412 *r++ = '\\';
adamc@874 3413 ++s;
adamc@874 3414 } else if (s[1] == '\'') {
adamc@874 3415 *r++ = '\\';
adamc@874 3416 *r++ = '\'';
adamc@874 3417 ++s;
adamc@874 3418 } else
adamc@874 3419 *r++ = '\'';
adamc@874 3420 } else
adamc@874 3421 *r++ = s[0];
adamc@874 3422 }
adamc@874 3423 if (*s == 0) break;
adamc@874 3424 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3425 ++s;
adamc@874 3426 else
adamc@874 3427 *r++ = s[0];
adamc@874 3428 }
adamc@874 3429
adamc@874 3430 return r;
adamc@874 3431 }
adamc@874 3432
adamc@922 3433 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3434 va_list ap;
adamc@922 3435 size_t len = 1;
adamc@922 3436 char *s, *r, *s2;
adamc@922 3437
adamc@922 3438 va_start(ap, ctx);
adamc@922 3439 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3440 len += strlen(s);
adamc@922 3441 va_end(ap);
adamc@922 3442
adamc@922 3443 r = uw_malloc(ctx, len);
adamc@922 3444 va_start(ap, ctx);
adamc@922 3445 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3446 while (*s)
adamc@922 3447 *s2++ = *s++;
adamc@922 3448 va_end(ap);
adamc@922 3449 *s2 = 0;
adamc@922 3450
adamc@922 3451 return r;
adamc@922 3452 }
adamc@1006 3453
adam@1365 3454 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3455
adamc@1006 3456 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3457 uw_Basis_time r = { time(NULL) };
adam@1365 3458 return r;
adamc@1006 3459 }
adamc@1061 3460
adam@1369 3461 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3462 tm.seconds += n;
adam@1365 3463 return tm;
adamc@1138 3464 }
adamc@1138 3465
adamc@1061 3466 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3467 int i;
adamc@1061 3468
adamc@1061 3469 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3470 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3471 return ctx->globals[i].data;
adamc@1061 3472
adamc@1061 3473 return NULL;
adamc@1061 3474 }
adamc@1061 3475
adamc@1113 3476 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3477
adamc@1061 3478 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3479 int i;
adamc@1061 3480
adamc@1061 3481 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3482 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3483 if (ctx->globals[i].free)
adamc@1061 3484 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3485 ctx->globals[i].data = data;
adamc@1061 3486 ctx->globals[i].free = free;
adamc@1061 3487 return;
adamc@1061 3488 }
adamc@1089 3489
adamc@1113 3490 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3491 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3492
adamc@1061 3493 ++ctx->n_globals;
adamc@1061 3494 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3495 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3496 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3497 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3498 }
adamc@1061 3499
adamc@1061 3500 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3501 return !!isalnum((int)c);
adamc@1061 3502 }
adamc@1061 3503
adamc@1061 3504 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3505 return !!isalpha((int)c);
adamc@1061 3506 }
adamc@1061 3507
adamc@1061 3508 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3509 return !!isblank((int)c);
adamc@1061 3510 }
adamc@1061 3511
adamc@1061 3512 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3513 return !!iscntrl((int)c);
adamc@1061 3514 }
adamc@1061 3515
adamc@1061 3516 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3517 return !!isdigit((int)c);
adamc@1061 3518 }
adamc@1061 3519
adamc@1061 3520 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3521 return !!isgraph((int)c);
adamc@1061 3522 }
adamc@1061 3523
adamc@1061 3524 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3525 return !!islower((int)c);
adamc@1061 3526 }
adamc@1061 3527
adamc@1061 3528 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3529 return !!isprint((int)c);
adamc@1061 3530 }
adamc@1061 3531
adamc@1061 3532 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3533 return !!ispunct((int)c);
adamc@1061 3534 }
adamc@1061 3535
adamc@1061 3536 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3537 return !!isspace((int)c);
adamc@1061 3538 }
adamc@1063 3539
adamc@1061 3540 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3541 return !!isupper((int)c);
adamc@1061 3542 }
adamc@1061 3543
adamc@1061 3544 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3545 return !!isxdigit((int)c);
adamc@1061 3546 }
adamc@1061 3547
adamc@1061 3548 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3549 return tolower((int)c);
adamc@1061 3550 }
adamc@1061 3551
adamc@1061 3552 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3553 return toupper((int)c);
adamc@1061 3554 }
adamc@1066 3555
adamc@1128 3556 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3557 return (unsigned char)c;
adamc@1128 3558 }
adamc@1128 3559
adamc@1128 3560 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3561 return n;
adamc@1128 3562 }
adamc@1128 3563
adamc@1066 3564 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3565 return ctx->current_url;
adamc@1066 3566 }
adamc@1066 3567
adamc@1066 3568 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3569 ctx->current_url = s;
adamc@1066 3570 }
adamc@1114 3571
adamc@1114 3572 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3573 ctx->deadline = n;
adamc@1114 3574 }
adamc@1114 3575
adamc@1114 3576 void uw_check_deadline(uw_context ctx) {
adamc@1114 3577 if (uw_time > ctx->deadline)
adamc@1114 3578 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3579 }
adamc@1115 3580
adamc@1115 3581 size_t uw_database_max = SIZE_MAX;
adamc@1120 3582
adamc@1120 3583 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3584 if (ctx->log_debug)
adam@1334 3585 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3586 else
adam@1334 3587 fprintf(stderr, "%s\n", s);
adamc@1120 3588 return uw_unit_v;
adamc@1120 3589 }
adamc@1250 3590
adamc@1250 3591 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3592 uw_Basis_int n = abs(rand());
adamc@1250 3593 return n;
adamc@1250 3594 }
adam@1347 3595
adam@1347 3596 void uw_noPostBody(uw_context ctx) {
adam@1347 3597 ctx->hasPostBody = 0;
adam@1347 3598 }
adam@1347 3599
adam@1347 3600 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3601 ctx->hasPostBody = 1;
adam@1347 3602 ctx->postBody = pb;
adam@1347 3603 }
adam@1347 3604
adam@1347 3605 int uw_hasPostBody(uw_context ctx) {
adam@1347 3606 return ctx->hasPostBody;
adam@1347 3607 }
adam@1347 3608
adam@1370 3609 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3610 ctx->queryString = s;
adam@1370 3611 }
adam@1370 3612
adam@1370 3613 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3614 return ctx->queryString;
adam@1370 3615 }
adam@1370 3616
adam@1347 3617 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3618 if (ctx->hasPostBody)
adam@1347 3619 return ctx->postBody;
adam@1347 3620 else
adam@1347 3621 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3622 }
adam@1349 3623
adam@1349 3624 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3625 int r = setjmp(ctx->jmp_buf);
adam@1349 3626
adam@1349 3627 if (ctx->app->db_begin(ctx))
adam@1349 3628 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349 3629
adam@1349 3630 if (r == 0) {
adam@1349 3631 callback(ctx);
adam@1349 3632 uw_commit(ctx);
adam@1349 3633 }
adam@1349 3634 else
adam@1349 3635 uw_rollback(ctx, 0);
adam@1349 3636
adam@1349 3637 return r;
adam@1349 3638 }
adam@1360 3639
adam@1360 3640 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1360 3641 struct crypt_data *data;
adam@1360 3642
adam@1360 3643 if ((data = uw_get_global(ctx, "crypt")) == NULL) {
adam@1360 3644 data = malloc(sizeof(struct crypt_data));
adam@1360 3645 data->initialized = 0;
adam@1360 3646 uw_set_global(ctx, "crypt", data, free);
adam@1360 3647 }
adam@1360 3648
adam@1360 3649 return uw_strdup(ctx, crypt_r(key, salt, data));
adam@1360 3650 }
adam@1365 3651
adam@1365 3652 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3653 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3654 }
adam@1365 3655
adam@1365 3656 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3657 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3658 }
adam@1365 3659
adam@1365 3660 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3661 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3662 }
adam@1365 3663
adam@1372 3664 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1372 3665 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1372 3666
adam@1372 3667 if (r) {
adam@1372 3668 struct tm tm;
adam@1372 3669 localtime_r(&r->seconds, &tm);
adam@1372 3670 r->seconds -= tm.tm_gmtoff;
adam@1372 3671 }
adam@1372 3672
adam@1372 3673 return r;
adam@1372 3674 }