annotate src/c/urweb.c @ 1358:32c8a3509369

Basis.cdataChar
author Adam Chlipala <adam@chlipala.net>
date Tue, 21 Dec 2010 18:01:23 -0500
parents e9cf053108ed
children e525ad571e15
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>
adamc@102 16
adamc@667 17 #include <pthread.h>
adamc@667 18
adamc@102 19 #include "types.h"
adamc@102 20
adamc@311 21 uw_unit uw_unit_v = {};
adamc@102 22
adamc@667 23
adamc@667 24 // Socket extras
adamc@667 25
adamc@863 26 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 27 while (len > 0) {
adamc@856 28 ssize_t n = send(sock, buf, len, 0);
adamc@856 29
adamc@856 30 if (n < 0)
adamc@856 31 return n;
adamc@856 32
adamc@856 33 buf += n;
adamc@856 34 len -= n;
adamc@856 35 }
adamc@856 36
adamc@856 37 return 0;
adamc@856 38 }
adamc@856 39
adamc@856 40 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 41 while (len > 0) {
adamc@856 42 ssize_t n = write(fd, buf, len);
adamc@667 43
adamc@667 44 if (n < 0)
adamc@667 45 return n;
adamc@667 46
adamc@667 47 buf += n;
adamc@667 48 len -= n;
adamc@667 49 }
adamc@667 50
adamc@667 51 return 0;
adamc@667 52 }
adamc@667 53
adamc@667 54
adamc@667 55 // Buffers
adamc@667 56
adamc@667 57 typedef struct {
adamc@1113 58 size_t max;
adamc@667 59 char *start, *front, *back;
adamc@667 60 } buf;
adamc@667 61
adamc@1113 62 static void buf_init(size_t max, buf *b, size_t s) {
adamc@1113 63 b->max = max;
adamc@667 64 b->front = b->start = malloc(s);
adamc@667 65 b->back = b->front + s;
adamc@667 66 }
adamc@667 67
adamc@667 68 static void buf_free(buf *b) {
adamc@667 69 free(b->start);
adamc@667 70 }
adamc@667 71
adamc@667 72 static void buf_reset(buf *b) {
adamc@667 73 b->front = b->start;
adamc@667 74 }
adamc@667 75
adamc@1113 76 static int buf_check(buf *b, size_t extra) {
adamc@667 77 if (b->back - b->front < extra) {
adamc@667 78 size_t desired = b->front - b->start + extra, next;
adamc@667 79 char *new_heap;
adamc@667 80
adamc@667 81 next = b->back - b->start;
adamc@667 82 if (next == 0)
adamc@667 83 next = 1;
adamc@667 84 for (; next < desired; next *= 2);
adamc@667 85
adamc@1134 86 if (next > b->max) {
adamc@1113 87 if (desired <= b->max)
adamc@1113 88 next = desired;
adamc@1113 89 else
adamc@1113 90 return 1;
adamc@1134 91 }
adamc@1113 92
adamc@667 93 new_heap = realloc(b->start, next);
adamc@667 94 b->front = new_heap + (b->front - b->start);
adamc@667 95 b->back = new_heap + next;
adamc@667 96 b->start = new_heap;
adamc@667 97 }
adamc@1113 98
adamc@1113 99 return 0;
adamc@1113 100 }
adamc@1113 101
adamc@1113 102 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 103
adamc@1113 104 static void ctx_buf_check(uw_context ctx, const char *kind, buf *b, size_t extra) {
adamc@1113 105 if (buf_check(b, extra))
adamc@1113 106 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 107 }
adamc@667 108
adamc@667 109 static size_t buf_used(buf *b) {
adamc@667 110 return b->front - b->start;
adamc@667 111 }
adamc@667 112
adamc@667 113 static size_t buf_avail(buf *b) {
adamc@667 114 return b->back - b->start;
adamc@667 115 }
adamc@667 116
adamc@1113 117 static int buf_append(buf *b, const char *s, size_t len) {
adamc@1113 118 if (buf_check(b, len+1))
adamc@1113 119 return 1;
adamc@1113 120
adamc@1113 121 memcpy(b->front, s, len);
adamc@1113 122 b->front += len;
adamc@1113 123 *b->front = 0;
adamc@1113 124
adamc@1113 125 return 0;
adamc@1113 126 }
adamc@1113 127
adamc@1113 128 static void ctx_buf_append(uw_context ctx, const char *kind, buf *b, const char *s, size_t len) {
adamc@1113 129 ctx_buf_check(ctx, kind, b, len+1);
adamc@1113 130
adamc@668 131 memcpy(b->front, s, len);
adamc@668 132 b->front += len;
adamc@672 133 *b->front = 0;
adamc@668 134 }
adamc@667 135
adamc@668 136
adamc@672 137 // Persistent state types
adamc@667 138
adamc@667 139 typedef enum { UNUSED, USED } usage;
adamc@667 140
adamc@667 141 typedef struct client {
adamc@682 142 unsigned id;
adamc@667 143 usage mode;
adamc@682 144 int pass;
adamc@682 145 struct client *next;
adamc@689 146 pthread_mutex_t lock, pull_lock;
adamc@682 147 buf msgs;
adamc@682 148 int sock;
adamc@863 149 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 150 int (*close)(int fd);
adamc@682 151 time_t last_contact;
adamc@682 152 unsigned n_channels;
adamc@685 153 unsigned refcount;
adamc@1121 154 void *data;
adamc@667 155 } client;
adamc@667 156
adamc@672 157
adamc@672 158 // Persistent client state
adamc@672 159
adamc@682 160 static client **clients, *clients_free, *clients_used;
adamc@682 161 static unsigned n_clients;
adamc@667 162
adamc@667 163 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 164
adamc@1113 165 size_t uw_messages_max = SIZE_MAX;
adamc@1113 166 size_t uw_clients_max = SIZE_MAX;
adamc@1113 167
adamc@1121 168 void *uw_init_client_data();
adamc@1121 169 void uw_free_client_data(void *);
adamc@1121 170 void uw_copy_client_data(void *dst, void *src);
adamc@1121 171
adamc@682 172 static client *new_client() {
adamc@667 173 client *c;
adamc@667 174
adamc@667 175 pthread_mutex_lock(&clients_mutex);
adamc@667 176
adamc@667 177 if (clients_free) {
adamc@667 178 c = clients_free;
adamc@682 179 clients_free = clients_free->next;
adamc@667 180 }
adamc@1113 181 else if (n_clients >= uw_clients_max)
adamc@1113 182 return NULL;
adamc@667 183 else {
adamc@667 184 ++n_clients;
adamc@667 185 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 186 c = malloc(sizeof(client));
adamc@667 187 c->id = n_clients-1;
adamc@682 188 pthread_mutex_init(&c->lock, NULL);
adamc@689 189 pthread_mutex_init(&c->pull_lock, NULL);
adamc@1113 190 buf_init(uw_messages_max, &c->msgs, 0);
adamc@667 191 clients[n_clients-1] = c;
adamc@667 192 }
adamc@667 193
adamc@682 194 pthread_mutex_lock(&c->lock);
adamc@667 195 c->mode = USED;
adamc@682 196 c->pass = rand();
adamc@682 197 c->sock = -1;
adamc@682 198 c->last_contact = time(NULL);
adamc@682 199 buf_reset(&c->msgs);
adamc@682 200 c->n_channels = 0;
adamc@685 201 c->refcount = 0;
adamc@1121 202 c->data = uw_init_client_data();
adamc@682 203 pthread_mutex_unlock(&c->lock);
adamc@682 204
adamc@682 205 c->next = clients_used;
adamc@682 206 clients_used = c;
adamc@667 207
adamc@667 208 pthread_mutex_unlock(&clients_mutex);
adamc@667 209
adamc@667 210 return c;
adamc@667 211 }
adamc@667 212
adamc@685 213 static void use_client(client *c) {
adamc@685 214 pthread_mutex_lock(&c->lock);
adamc@685 215 ++c->refcount;
adamc@685 216 pthread_mutex_unlock(&c->lock);
adamc@689 217 pthread_mutex_lock(&c->pull_lock);
adamc@685 218 }
adamc@685 219
adamc@685 220 static void release_client(client *c) {
adamc@689 221 pthread_mutex_unlock(&c->pull_lock);
adamc@685 222 pthread_mutex_lock(&c->lock);
adamc@685 223 --c->refcount;
adamc@685 224 pthread_mutex_unlock(&c->lock);
adamc@689 225
adamc@685 226 }
adamc@685 227
adamc@856 228 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 229
adamc@682 230 static client *find_client(unsigned id) {
adamc@667 231 client *c;
adamc@667 232
adamc@667 233 pthread_mutex_lock(&clients_mutex);
adamc@667 234
adamc@667 235 if (id >= n_clients) {
adamc@667 236 pthread_mutex_unlock(&clients_mutex);
adamc@668 237 return NULL;
adamc@667 238 }
adamc@667 239
adamc@667 240 c = clients[id];
adamc@667 241
adamc@668 242 pthread_mutex_unlock(&clients_mutex);
adamc@668 243 return c;
adamc@668 244 }
adamc@668 245
adamc@856 246 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 247 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 248
adamc@856 249 void uw_set_on_success(char *s) {
adamc@856 250 on_success = s;
adamc@856 251 }
adamc@856 252
adamc@863 253 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 254 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 255 int (*close)(int fd),
adamc@864 256 void *logger_data, uw_logger log_error) {
adamc@682 257 client *c = find_client(id);
adamc@668 258
adamc@668 259 if (c == NULL) {
adamc@667 260 close(sock);
adamc@864 261 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 262 return;
adamc@667 263 }
adamc@667 264
adamc@682 265 pthread_mutex_lock(&c->lock);
adamc@671 266
adamc@682 267 if (c->mode != USED) {
adamc@682 268 pthread_mutex_unlock(&c->lock);
adamc@667 269 close(sock);
adamc@864 270 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 271 return;
adamc@667 272 }
adamc@667 273
adamc@682 274 if (pass != c->pass) {
adamc@682 275 pthread_mutex_unlock(&c->lock);
adamc@682 276 close(sock);
adamc@864 277 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 278 return;
adamc@667 279 }
adamc@667 280
adamc@682 281 if (c->sock != -1) {
adamc@863 282 c->close(c->sock);
adamc@682 283 c->sock = -1;
adamc@682 284 }
adamc@667 285
adamc@682 286 c->last_contact = time(NULL);
adamc@682 287
adamc@682 288 if (buf_used(&c->msgs) > 0) {
adamc@863 289 send(sock, on_success, strlen(on_success));
adamc@863 290 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 291 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682 292 buf_reset(&c->msgs);
adamc@667 293 close(sock);
adamc@667 294 }
adamc@863 295 else {
adamc@682 296 c->sock = sock;
adamc@863 297 c->send = send;
adamc@863 298 c->close = close;
adamc@863 299 }
adamc@667 300
adamc@682 301 pthread_mutex_unlock(&c->lock);
adamc@667 302 }
adamc@667 303
adamc@682 304 static void free_client(client *c) {
adamc@682 305 c->mode = UNUSED;
adamc@682 306 c->pass = -1;
adamc@667 307
adamc@682 308 c->next = clients_free;
adamc@682 309 clients_free = c;
adamc@667 310 }
adamc@667 311
adamc@682 312 static uw_Basis_channel new_channel(client *c) {
adamc@682 313 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 314 return ch;
adamc@668 315 }
adamc@668 316
adamc@685 317 static void client_send(client *c, buf *msg) {
adamc@685 318 pthread_mutex_lock(&c->lock);
adamc@671 319
adamc@682 320 if (c->sock != -1) {
adamc@863 321 c->send(c->sock, on_success, strlen(on_success));
adamc@863 322 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 323 c->send(c->sock, msg->start, buf_used(msg));
adamc@863 324 c->close(c->sock);
adamc@682 325 c->sock = -1;
adamc@1113 326 } else if (buf_append(&c->msgs, msg->start, buf_used(msg)))
adamc@1113 327 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 328
adamc@685 329 pthread_mutex_unlock(&c->lock);
adamc@668 330 }
adamc@668 331
adamc@668 332
adamc@668 333 // Global entry points
adamc@668 334
adamc@1164 335 extern void uw_global_custom();
adamc@1104 336 extern void uw_init_crypto();
adamc@1104 337
adamc@668 338 void uw_global_init() {
adamc@668 339 srand(time(NULL) ^ getpid());
adamc@668 340
adamc@668 341 clients = malloc(0);
adamc@1104 342
adamc@1164 343 uw_global_custom();
adamc@1104 344 uw_init_crypto();
adamc@1094 345 }
adamc@1094 346
adamc@1094 347 void uw_app_init(uw_app *app) {
adamc@1094 348 app->client_init();
adamc@668 349 }
adamc@668 350
adam@1332 351 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 352
adamc@668 353
adamc@667 354 // Single-request state
adamc@667 355
adamc@323 356 typedef struct regions {
adamc@323 357 struct regions *next;
adamc@323 358 } regions;
adamc@323 359
adamc@425 360 typedef struct {
adamc@425 361 void (*func)(void*);
adamc@425 362 void *arg;
adamc@425 363 } cleanup;
adamc@425 364
adamc@671 365 typedef struct {
adamc@682 366 unsigned client;
adamc@671 367 buf msgs;
adamc@682 368 } delta;
adamc@671 369
adamc@737 370 typedef enum {
adamc@759 371 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 372 } input_kind;
adamc@737 373
adamc@756 374 typedef struct input {
adamc@737 375 input_kind kind;
adamc@737 376 union {
adamc@737 377 char *normal;
adamc@739 378 uw_Basis_file file;
adamc@756 379 struct {
adamc@759 380 struct input *fields, *parent;
adamc@756 381 } subform;
adamc@759 382 struct {
adamc@759 383 struct input *entries, *parent;
adamc@759 384 } subforms;
adamc@759 385 struct {
adamc@759 386 struct input *fields, *next, *parent;
adamc@759 387 } entry;
adamc@737 388 } data;
adamc@737 389 } input;
adamc@737 390
adamc@771 391 typedef struct {
adamc@771 392 void *data;
adam@1327 393 uw_callback commit, rollback;
adam@1327 394 uw_callback_with_retry free;
adamc@771 395 } transactional;
adamc@771 396
adamc@1061 397 typedef struct {
adamc@1061 398 char *name;
adamc@1061 399 void *data;
adamc@1061 400 void (*free)(void*);
adamc@1061 401 } global;
adamc@1061 402
adamc@311 403 struct uw_context {
adamc@1094 404 uw_app *app;
adamc@1094 405
adamc@854 406 char *(*get_header)(void *, const char *);
adamc@854 407 void *get_header_data;
adamc@457 408
adamc@666 409 buf outHeaders, page, heap, script;
adamc@1065 410 int returning_indirectly;
adamc@759 411 input *inputs, *subinputs, *cur_container;
adamc@1094 412 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 413
adamc@565 414 int source_count;
adamc@562 415
adamc@272 416 void *db;
adamc@272 417
adamc@167 418 jmp_buf jmp_buf;
adamc@167 419
adamc@323 420 regions *regions;
adamc@323 421
adamc@425 422 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 423
adamc@1094 424 const char *script_header;
adamc@643 425
adamc@736 426 int needs_push, needs_sig;
adamc@693 427
adamc@682 428 size_t n_deltas, used_deltas;
adamc@682 429 delta *deltas;
adamc@671 430
adamc@682 431 client *client;
adamc@682 432
adamc@771 433 transactional *transactionals;
adamc@771 434 size_t n_transactionals, used_transactionals;
adamc@771 435
adamc@1061 436 global *globals;
adamc@1061 437 size_t n_globals;
adamc@1061 438
adamc@1066 439 char *current_url;
adamc@1066 440
adamc@1114 441 int deadline;
adamc@1114 442
adamc@1121 443 void *client_data;
adamc@1121 444
adam@1334 445 void *logger_data;
adam@1334 446 uw_logger log_debug;
adam@1334 447
adam@1347 448 int hasPostBody;
adam@1347 449 uw_Basis_postBody postBody;
adam@1347 450
adamc@167 451 char error_message[ERROR_BUF_LEN];
adamc@117 452 };
adamc@117 453
adamc@1113 454 size_t uw_headers_max = SIZE_MAX;
adamc@1113 455 size_t uw_page_max = SIZE_MAX;
adamc@1113 456 size_t uw_heap_max = SIZE_MAX;
adamc@1113 457 size_t uw_script_max = SIZE_MAX;
adamc@1113 458
adam@1334 459 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311 460 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 461
adamc@1094 462 ctx->app = NULL;
adamc@1094 463
adamc@854 464 ctx->get_header = NULL;
adamc@854 465 ctx->get_header_data = NULL;
adamc@457 466
adamc@1113 467 buf_init(uw_headers_max, &ctx->outHeaders, 0);
adamc@1113 468 buf_init(uw_page_max, &ctx->page, 0);
adamc@1065 469 ctx->returning_indirectly = 0;
adam@1332 470 buf_init(uw_heap_max, &ctx->heap, uw_min_heap);
adamc@1113 471 buf_init(uw_script_max, &ctx->script, 1);
adamc@667 472 ctx->script.start[0] = 0;
adamc@136 473
adamc@1094 474 ctx->inputs = malloc(0);
adamc@759 475 ctx->cur_container = NULL;
adamc@756 476 ctx->subinputs = malloc(0);
adamc@1094 477 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 478
adamc@272 479 ctx->db = NULL;
adamc@272 480
adamc@323 481 ctx->regions = NULL;
adamc@323 482
adamc@425 483 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 484
adamc@643 485 ctx->script_header = "";
adamc@693 486 ctx->needs_push = 0;
adamc@736 487 ctx->needs_sig = 0;
adamc@1104 488
adamc@565 489 ctx->source_count = 0;
adamc@562 490
adamc@682 491 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 492 ctx->deltas = malloc(0);
adamc@671 493
adamc@700 494 ctx->client = NULL;
adamc@700 495
adamc@700 496 ctx->error_message[0] = 0;
adamc@700 497
adamc@771 498 ctx->transactionals = malloc(0);
adamc@771 499 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 500
adamc@1061 501 ctx->globals = malloc(0);
adamc@1061 502 ctx->n_globals = 0;
adamc@1061 503
adamc@1066 504 ctx->current_url = "";
adamc@1066 505
adamc@1114 506 ctx->deadline = INT_MAX;
adamc@1114 507
adamc@1121 508 ctx->client_data = uw_init_client_data();
adamc@1121 509
adam@1334 510 ctx->logger_data = logger_data;
adam@1334 511 ctx->log_debug = log_debug;
adam@1334 512
adam@1347 513 ctx->hasPostBody = 0;
adam@1347 514
adamc@117 515 return ctx;
adamc@106 516 }
adamc@106 517
adamc@1113 518 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 519
adamc@1121 520 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 521 return ctx->app;
adamc@1121 522 }
adamc@1121 523
adamc@1113 524 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 525 ctx->app = app;
adamc@1094 526
adamc@1105 527 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 528 if (app->inputs_len > uw_inputs_max)
adamc@1113 529 return 1;
adamc@1113 530
adamc@1094 531 ctx->sz_inputs = app->inputs_len;
adamc@1094 532 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 533 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 534 }
adamc@1134 535
adamc@1134 536 return 0;
adamc@1094 537 }
adamc@1094 538
adamc@1121 539 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 540 uw_copy_client_data(ctx->client_data, data);
adamc@1121 541 }
adamc@1121 542
adamc@311 543 void uw_set_db(uw_context ctx, void *db) {
adamc@272 544 ctx->db = db;
adamc@272 545 }
adamc@272 546
adamc@311 547 void *uw_get_db(uw_context ctx) {
adamc@272 548 return ctx->db;
adamc@272 549 }
adamc@272 550
adamc@311 551 void uw_free(uw_context ctx) {
adamc@671 552 size_t i;
adamc@671 553
adamc@666 554 buf_free(&ctx->outHeaders);
adamc@666 555 buf_free(&ctx->script);
adamc@666 556 buf_free(&ctx->page);
adamc@666 557 buf_free(&ctx->heap);
adamc@144 558 free(ctx->inputs);
adamc@756 559 free(ctx->subinputs);
adamc@425 560 free(ctx->cleanup);
adamc@771 561 free(ctx->transactionals);
adamc@1121 562 uw_free_client_data(ctx->client_data);
adamc@671 563
adamc@682 564 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671 565 buf_free(&ctx->deltas[i].msgs);
marco-oweber@1330 566 free(ctx->deltas);
adamc@671 567
adamc@1061 568 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 569 if (ctx->globals[i].free)
adamc@1089 570 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 571 free(ctx->globals);
adamc@1061 572
adamc@136 573 free(ctx);
adamc@136 574 }
adamc@136 575
adamc@562 576 void uw_reset_keep_error_message(uw_context ctx) {
adamc@666 577 buf_reset(&ctx->outHeaders);
adamc@666 578 buf_reset(&ctx->script);
adamc@667 579 ctx->script.start[0] = 0;
adamc@666 580 buf_reset(&ctx->page);
adamc@1065 581 ctx->returning_indirectly = 0;
adamc@666 582 buf_reset(&ctx->heap);
adamc@323 583 ctx->regions = NULL;
adamc@425 584 ctx->cleanup_front = ctx->cleanup;
adamc@565 585 ctx->source_count = 0;
adamc@682 586 ctx->used_deltas = 0;
adamc@682 587 ctx->client = NULL;
adamc@759 588 ctx->cur_container = NULL;
adamc@771 589 ctx->used_transactionals = 0;
adamc@1117 590 ctx->script_header = "";
adam@1347 591 ctx->hasPostBody = 0;
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
adamc@1113 1159 static void buf_check_ctx(uw_context ctx, const char *kind, buf *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) {
adamc@1113 1190 buf_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) {
adamc@1134 1233 printf("Headers: %lu/%lu\n", (unsigned long)buf_used(&ctx->outHeaders), (unsigned long)buf_avail(&ctx->outHeaders));
adamc@1134 1234 printf("Script: %lu/%lu\n", (unsigned long)buf_used(&ctx->script), (unsigned long)buf_avail(&ctx->script));
adamc@1134 1235 printf("Page: %lu/%lu\n", (unsigned long)buf_used(&ctx->page), (unsigned long)buf_avail(&ctx->page));
adamc@1134 1236 printf("Heap: %lu/%lu\n", (unsigned long)buf_used(&ctx->heap), (unsigned long)buf_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) {
adamc@1113 1282 ctx_buf_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) {
adamc@1110 1294 buf_reset(&ctx->outHeaders);
adamc@1110 1295 }
adamc@1110 1296
adamc@562 1297 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@1113 1298 ctx_buf_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) {
adamc@1113 1515 ctx_buf_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) {
adamc@488 1776 return uw_Basis_urlifyInt(ctx, t);
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) {
adamc@488 1847 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1848 }
adamc@488 1849
adamc@1023 1850 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1851 char *s1, *s2 = s;
adamc@144 1852 int n;
adamc@136 1853
adamc@1023 1854 if (!fromClient) {
adamc@1023 1855 if (*s2 == '_')
adamc@1023 1856 ++s2;
adamc@1259 1857 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1858 s2 += 3;
adamc@1023 1859 }
adamc@925 1860
adamc@927 1861 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1862 unsigned char c = *s2;
adamc@136 1863
adamc@136 1864 switch (c) {
adamc@136 1865 case '+':
adamc@136 1866 *s1 = ' ';
adamc@136 1867 break;
adamc@136 1868 case '%':
adamc@169 1869 if (s2[1] == 0)
adamc@311 1870 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1871 if (s2[2] == 0)
adamc@311 1872 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1873 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1874 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1875 *s1 = n;
adamc@136 1876 s2 += 2;
adamc@136 1877 break;
adamc@1259 1878 case '.':
adamc@1259 1879 if (!fromClient) {
adamc@1259 1880 if (s2[1] == 0)
adamc@1259 1881 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1882 if (s2[2] == 0)
adamc@1259 1883 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1884 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1885 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1886 *s1 = n;
adamc@1259 1887 s2 += 2;
adamc@1259 1888 break;
adamc@1259 1889 }
adamc@136 1890 default:
adamc@136 1891 *s1 = c;
adamc@136 1892 }
adamc@136 1893 }
adamc@136 1894 *s1++ = 0;
adamc@144 1895 return s1;
adamc@144 1896 }
adamc@144 1897
adamc@311 1898 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1899 char *new_s = uw_unurlify_advance(*s);
adamc@311 1900 uw_Basis_bool r;
adamc@186 1901
adamc@186 1902 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1903 r = uw_Basis_False;
adamc@186 1904 else
adamc@311 1905 r = uw_Basis_True;
adamc@186 1906
adamc@186 1907 *s = new_s;
adamc@186 1908 return r;
adamc@186 1909 }
adamc@186 1910
adamc@311 1911 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1912 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1913 char *r;
adamc@1134 1914 int len;
adamc@144 1915
adamc@200 1916 len = strlen(*s);
adamc@311 1917 uw_check_heap(ctx, len + 1);
adamc@144 1918
adamc@666 1919 r = ctx->heap.front;
adamc@1023 1920 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1921 *s = new_s;
adamc@1023 1922 return r;
adamc@1023 1923 }
adamc@1023 1924
adamc@1109 1925 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1926 *s = uw_unurlify_advance(*s);
adamc@1109 1927 return uw_unit_v;
adamc@1109 1928 }
adamc@1109 1929
adamc@1023 1930 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1931 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1932 char *r;
adamc@1134 1933 int len;
adamc@1023 1934
adamc@1023 1935 len = strlen(*s);
adamc@1023 1936 uw_check_heap(ctx, len + 1);
adamc@1023 1937
adamc@1023 1938 r = ctx->heap.front;
adamc@1023 1939 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1940 *s = new_s;
adamc@136 1941 return r;
adamc@120 1942 }
adamc@135 1943
adamc@135 1944
adamc@311 1945 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1946 int len;
adamc@286 1947 char *r;
adamc@286 1948
adamc@311 1949 uw_check_heap(ctx, INTS_MAX);
adamc@666 1950 r = ctx->heap.front;
adamc@286 1951 sprintf(r, "%lld%n", n, &len);
adamc@666 1952 ctx->heap.front += len+1;
adamc@286 1953 return r;
adamc@286 1954 }
adamc@286 1955
adamc@428 1956 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1957 int len;
adamc@286 1958
adamc@311 1959 uw_check(ctx, INTS_MAX);
adamc@666 1960 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1961 ctx->page.front += len;
adamc@428 1962
adamc@428 1963 return uw_unit_v;
adamc@286 1964 }
adamc@286 1965
adam@1358 1966 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1967 unsigned int n = ch;
adam@1358 1968 int len;
adam@1358 1969 char *r;
adam@1358 1970
adam@1358 1971 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1972 r = ctx->heap.front;
adam@1358 1973 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1974 ctx->heap.front += len+1;
adam@1358 1975 return r;
adam@1358 1976 }
adam@1358 1977
adam@1358 1978 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1979 unsigned int n = ch;
adam@1358 1980 int len;
adam@1358 1981
adam@1358 1982 uw_check(ctx, INTS_MAX+3);
adam@1358 1983 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1984 ctx->page.front += len;
adam@1358 1985 return uw_unit_v;
adam@1358 1986 }
adam@1358 1987
adamc@311 1988 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1989 int len;
adamc@286 1990 char *r;
adamc@286 1991
adamc@311 1992 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1993 r = ctx->heap.front;
adamc@286 1994 sprintf(r, "%g%n", n, &len);
adamc@666 1995 ctx->heap.front += len+1;
adamc@286 1996 return r;
adamc@286 1997 }
adamc@286 1998
adamc@428 1999 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2000 int len;
adamc@286 2001
adamc@311 2002 uw_check(ctx, FLOATS_MAX);
adamc@666 2003 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2004 ctx->page.front += len;
adamc@428 2005
adamc@428 2006 return uw_unit_v;
adamc@286 2007 }
adamc@286 2008
adamc@311 2009 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 2010 char *r, *s2;
adamc@137 2011
adamc@311 2012 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2013
adamc@666 2014 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2015 unsigned char c = *s;
adamc@137 2016
adamc@137 2017 switch (c) {
adamc@137 2018 case '<':
adamc@137 2019 strcpy(s2, "&lt;");
adamc@137 2020 s2 += 4;
adamc@137 2021 break;
adamc@137 2022 case '&':
adamc@137 2023 strcpy(s2, "&amp;");
adamc@137 2024 s2 += 5;
adamc@137 2025 break;
adamc@137 2026 default:
adamc@1059 2027 *s2++ = c;
adamc@137 2028 }
adamc@137 2029 }
adamc@137 2030
adamc@137 2031 *s2++ = 0;
adamc@666 2032 ctx->heap.front = s2;
adamc@137 2033 return r;
adamc@135 2034 }
adamc@135 2035
adamc@428 2036 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2037 uw_check(ctx, strlen(s) * 6);
adamc@135 2038
adamc@135 2039 for (; *s; s++) {
adamc@1054 2040 unsigned char c = *s;
adamc@135 2041
adamc@135 2042 switch (c) {
adamc@135 2043 case '<':
adamc@311 2044 uw_write_unsafe(ctx, "&lt;");
adamc@135 2045 break;
adamc@135 2046 case '&':
adamc@311 2047 uw_write_unsafe(ctx, "&amp;");
adamc@135 2048 break;
adamc@135 2049 default:
adamc@1059 2050 uw_writec_unsafe(ctx, c);
adamc@135 2051 }
adamc@135 2052 }
adamc@428 2053
adamc@428 2054 return uw_unit_v;
adamc@135 2055 }
adamc@180 2056
adamc@311 2057 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2058 if (b == uw_Basis_False)
adamc@286 2059 return "False";
adamc@286 2060 else
adamc@286 2061 return "True";
adamc@286 2062 }
adamc@286 2063
adamc@428 2064 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2065 if (b == uw_Basis_False) {
adamc@311 2066 uw_check(ctx, 6);
adamc@666 2067 strcpy(ctx->page.front, "False");
adamc@666 2068 ctx->page.front += 5;
adamc@286 2069 } else {
adamc@311 2070 uw_check(ctx, 5);
adamc@666 2071 strcpy(ctx->page.front, "True");
adamc@666 2072 ctx->page.front += 4;
adamc@286 2073 }
adamc@428 2074
adamc@428 2075 return uw_unit_v;
adamc@286 2076 }
adamc@286 2077
adamc@436 2078 #define TIME_FMT "%x %X"
adamc@438 2079 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2080
adamc@436 2081 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2082 size_t len;
adamc@436 2083 char *r;
adamc@436 2084 struct tm stm;
adamc@436 2085
adamc@436 2086 if (localtime_r(&t, &stm)) {
adamc@436 2087 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2088 r = ctx->heap.front;
adamc@436 2089 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2090 ctx->heap.front += len+1;
adamc@436 2091 return r;
adamc@436 2092 } else
adamc@436 2093 return "<i>Invalid time</i>";
adamc@436 2094 }
adamc@436 2095
adamc@436 2096 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2097 size_t len;
adamc@436 2098 char *r;
adamc@436 2099 struct tm stm;
adamc@436 2100
adamc@436 2101 if (localtime_r(&t, &stm)) {
adamc@436 2102 uw_check(ctx, TIMES_MAX);
adamc@666 2103 r = ctx->page.front;
adamc@436 2104 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2105 ctx->page.front += len;
adamc@436 2106 } else {
adamc@436 2107 uw_check(ctx, 20);
adamc@666 2108 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2109 ctx->page.front += 19;
adamc@436 2110 }
adamc@436 2111
adamc@436 2112 return uw_unit_v;
adamc@436 2113 }
adamc@436 2114
adamc@821 2115 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2116 if (n >= 0 && n < strlen(s))
adamc@821 2117 return s[n];
adamc@821 2118 else
adamc@821 2119 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 2120 }
adamc@821 2121
adamc@821 2122 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2123 if (n >= 0 && n < strlen(s))
adamc@821 2124 return &s[n];
adamc@821 2125 else
adamc@821 2126 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 2127 }
adamc@821 2128
adamc@828 2129 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2130 return strlen(s);
adamc@828 2131 }
adamc@828 2132
adamc@829 2133 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2134 return strchr(s, ch);
adamc@829 2135 }
adamc@829 2136
adamc@831 2137 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2138 return strcspn(s, chs);
adamc@831 2139 }
adamc@831 2140
adamc@829 2141 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2142 uw_Basis_string r = strchr(s, ch);
adamc@829 2143 if (r == NULL)
adamc@829 2144 return NULL;
adamc@829 2145 else {
adamc@829 2146 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2147 *nr = r - s;
adamc@829 2148 return nr;
adamc@829 2149 }
adamc@829 2150 }
adamc@829 2151
adamc@311 2152 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2153 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2154 char *s;
adamc@180 2155
adamc@311 2156 uw_check_heap(ctx, len);
adamc@180 2157
adamc@666 2158 s = ctx->heap.front;
adamc@180 2159
adamc@180 2160 strcpy(s, s1);
adamc@180 2161 strcat(s, s2);
adamc@666 2162 ctx->heap.front += len;
adamc@180 2163
adamc@180 2164 return s;
adamc@180 2165 }
adamc@278 2166
adamc@829 2167 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2168 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2169
adamc@829 2170 if (start < 0)
adamc@829 2171 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2172 if (len < 0)
adamc@829 2173 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2174 if (start + len > full_len)
adamc@829 2175 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2176
adamc@829 2177 if (start + len == full_len)
adamc@829 2178 return &s[start];
adamc@829 2179 else {
adamc@829 2180 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2181 memcpy(r, s+start, len);
adamc@829 2182 r[len] = 0;
adamc@829 2183 return r;
adamc@829 2184 }
adamc@829 2185
adamc@829 2186 }
adamc@829 2187
adamc@1023 2188 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2189 char *r;
adamc@1023 2190
adamc@1023 2191 uw_check_heap(ctx, 2);
adamc@1023 2192 r = ctx->heap.front;
adamc@1023 2193 r[0] = ch;
adamc@1023 2194 r[1] = 0;
adamc@1023 2195
adamc@1023 2196 ctx->heap.front += 2;
adamc@1023 2197
adamc@1023 2198 return r;
adamc@1023 2199 }
adamc@1023 2200
adamc@737 2201 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2202 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2203 char *s;
adamc@278 2204
adamc@311 2205 uw_check_heap(ctx, len);
adamc@278 2206
adamc@666 2207 s = ctx->heap.front;
adamc@278 2208
adamc@278 2209 strcpy(s, s1);
adamc@666 2210 ctx->heap.front += len;
adamc@278 2211
adamc@278 2212 return s;
adamc@278 2213 }
adamc@280 2214
adam@1295 2215 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2216 if (ctx->error_message[0]) {
adam@1295 2217 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2218 ctx->error_message[0] = 0;
adam@1295 2219 return s;
adam@1295 2220 } else
adam@1295 2221 return NULL;
adam@1295 2222 }
adam@1295 2223
adamc@737 2224 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2225 if (s1)
adamc@737 2226 return uw_strdup(ctx, s1);
adamc@493 2227 else
adamc@493 2228 return NULL;
adamc@493 2229 }
adamc@493 2230
adamc@742 2231 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2232 char *r = uw_malloc(ctx, len);
adamc@742 2233 memcpy(r, p, len);
adamc@742 2234 return r;
adamc@742 2235 }
adamc@280 2236
adamc@879 2237 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2238
adamc@311 2239 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2240 int len;
adamc@281 2241 char *r;
adamc@281 2242
adamc@311 2243 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2244 r = ctx->heap.front;
adamc@879 2245 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2246 ctx->heap.front += len+1;
adamc@281 2247 return r;
adamc@281 2248 }
adamc@281 2249
adamc@467 2250 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2251 if (n == NULL)
adamc@467 2252 return "NULL";
adamc@467 2253 else
adamc@467 2254 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2255 }
adamc@467 2256
adamc@879 2257 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2258
adamc@311 2259 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2260 int len;
adamc@281 2261 char *r;
adamc@281 2262
adamc@311 2263 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2264 r = ctx->heap.front;
adamc@879 2265 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2266 ctx->heap.front += len+1;
adamc@281 2267 return r;
adamc@281 2268 }
adamc@281 2269
adamc@467 2270 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2271 if (n == NULL)
adamc@467 2272 return "NULL";
adamc@467 2273 else
adamc@467 2274 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2275 }
adamc@467 2276
adamc@879 2277 int uw_Estrings = 1;
adamc@879 2278 char *uw_sqlsuffixString = "::text";
adamc@1011 2279 char *uw_sqlsuffixChar = "::char";
adamc@281 2280
adamc@311 2281 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2282 char *r, *s2;
adamc@280 2283
adamc@879 2284 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2285
adamc@666 2286 r = s2 = ctx->heap.front;
adamc@879 2287 if (uw_Estrings)
adamc@879 2288 *s2++ = 'E';
adamc@280 2289 *s2++ = '\'';
adamc@280 2290
adamc@280 2291 for (; *s; s++) {
adamc@280 2292 char c = *s;
adamc@280 2293
adamc@280 2294 switch (c) {
adamc@280 2295 case '\'':
adamc@885 2296 if (uw_Estrings)
adamc@885 2297 strcpy(s2, "\\'");
adamc@885 2298 else
adamc@885 2299 strcpy(s2, "''");
adamc@280 2300 s2 += 2;
adamc@280 2301 break;
adamc@280 2302 case '\\':
adamc@885 2303 if (uw_Estrings) {
adamc@885 2304 strcpy(s2, "\\\\");
adamc@885 2305 s2 += 2;
adamc@885 2306 } else
adamc@885 2307 *s2++ = '\\';
adamc@280 2308 break;
adamc@280 2309 default:
adamc@1150 2310 if (isprint((int)c))
adamc@280 2311 *s2++ = c;
adamc@879 2312 else if (uw_Estrings) {
adamc@737 2313 sprintf(s2, "\\%03o", c);
adamc@280 2314 s2 += 4;
adamc@280 2315 }
adamc@879 2316 else
adamc@879 2317 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2318 }
adamc@280 2319 }
adamc@280 2320
adamc@879 2321 *s2++ = '\'';
adamc@879 2322 strcpy(s2, uw_sqlsuffixString);
adamc@879 2323 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2324 return r;
adamc@280 2325 }
adamc@281 2326
adamc@1011 2327 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2328 char *r, *s2;
adamc@1011 2329
adamc@1011 2330 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2331
adamc@1011 2332 r = s2 = ctx->heap.front;
adamc@1011 2333 if (uw_Estrings)
adamc@1011 2334 *s2++ = 'E';
adamc@1011 2335 *s2++ = '\'';
adamc@1011 2336
adamc@1011 2337 switch (c) {
adamc@1011 2338 case '\'':
adamc@1011 2339 if (uw_Estrings)
adamc@1011 2340 strcpy(s2, "\\'");
adamc@1011 2341 else
adamc@1011 2342 strcpy(s2, "''");
adamc@1011 2343 s2 += 2;
adamc@1011 2344 break;
adamc@1011 2345 case '\\':
adamc@1011 2346 if (uw_Estrings) {
adamc@1011 2347 strcpy(s2, "\\\\");
adamc@1011 2348 s2 += 2;
adamc@1011 2349 } else
adamc@1011 2350 *s2++ = '\\';
adamc@1011 2351 break;
adamc@1011 2352 default:
adamc@1150 2353 if (isprint((int)c))
adamc@1011 2354 *s2++ = c;
adamc@1011 2355 else if (uw_Estrings) {
adamc@1011 2356 sprintf(s2, "\\%03o", c);
adamc@1011 2357 s2 += 4;
adamc@1011 2358 }
adamc@1011 2359 else
adamc@1011 2360 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2361 }
adamc@1011 2362
adamc@1011 2363 *s2++ = '\'';
adamc@1011 2364 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2365 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2366 return r;
adamc@1011 2367 }
adamc@1011 2368
adamc@879 2369 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2370
adamc@737 2371 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2372 char *r, *s2;
adamc@737 2373 size_t i;
adamc@737 2374
adamc@879 2375 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2376
adamc@737 2377 r = s2 = ctx->heap.front;
adamc@879 2378 if (uw_Estrings)
adamc@879 2379 *s2++ = 'E';
adamc@737 2380 *s2++ = '\'';
adamc@737 2381
adamc@737 2382 for (i = 0; i < b.size; ++i) {
adamc@737 2383 char c = b.data[i];
adamc@737 2384
adamc@737 2385 switch (c) {
adamc@737 2386 case '\'':
adamc@885 2387 if (uw_Estrings)
adamc@885 2388 strcpy(s2, "\\'");
adamc@885 2389 else
adamc@885 2390 strcpy(s2, "''");
adamc@737 2391 s2 += 2;
adamc@737 2392 break;
adamc@737 2393 case '\\':
adamc@885 2394 if (uw_Estrings) {
adamc@885 2395 strcpy(s2, "\\\\\\\\");
adamc@885 2396 s2 += 4;
adamc@885 2397 } else
adamc@885 2398 *s2++ = '\\';
adamc@737 2399 break;
adamc@737 2400 default:
adamc@1150 2401 if (isprint((int)c))
adamc@737 2402 *s2++ = c;
adamc@879 2403 else if (uw_Estrings) {
adamc@737 2404 sprintf(s2, "\\\\%03o", c);
adamc@737 2405 s2 += 5;
adamc@737 2406 }
adamc@879 2407 else
adamc@879 2408 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2409 }
adamc@737 2410 }
adamc@737 2411
adamc@879 2412 *s2++ = '\'';
adamc@879 2413 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2414 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2415 return r;
adamc@737 2416 }
adamc@737 2417
adamc@682 2418 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2419 int len;
adamc@682 2420 char *r;
adamc@682 2421 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2422
adamc@682 2423 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2424 r = ctx->heap.front;
adamc@879 2425 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2426 ctx->heap.front += len+1;
adamc@682 2427 return r;
adamc@682 2428 }
adamc@682 2429
adamc@682 2430 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2431 int len;
adamc@682 2432 char *r;
adamc@682 2433 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2434
adamc@682 2435 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2436 r = ctx->heap.front;
adamc@682 2437 sprintf(r, "%lld%n", combo, &len);
adamc@682 2438 ctx->heap.front += len+1;
adamc@682 2439 return r;
adamc@682 2440 }
adamc@682 2441
adamc@879 2442 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2443
adamc@682 2444 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2445 int len;
adamc@682 2446 char *r;
adamc@682 2447
adamc@682 2448 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2449 r = ctx->heap.front;
adamc@879 2450 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2451 ctx->heap.front += len+1;
adamc@682 2452 return r;
adamc@682 2453 }
adamc@682 2454
adamc@682 2455 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2456 int len;
adamc@682 2457 char *r;
adamc@682 2458
adamc@682 2459 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2460 r = ctx->heap.front;
adamc@682 2461 sprintf(r, "%u%n", cli, &len);
adamc@682 2462 ctx->heap.front += len+1;
adamc@682 2463 return r;
adamc@682 2464 }
adamc@682 2465
adamc@467 2466 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2467 if (s == NULL)
adamc@467 2468 return "NULL";
adamc@467 2469 else
adamc@467 2470 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2471 }
adamc@467 2472
adamc@311 2473 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2474 if (b == uw_Basis_False)
adamc@281 2475 return "FALSE";
adamc@281 2476 else
adamc@281 2477 return "TRUE";
adamc@281 2478 }
adamc@282 2479
adamc@467 2480 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2481 if (b == NULL)
adamc@467 2482 return "NULL";
adamc@467 2483 else
adamc@467 2484 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2485 }
adamc@467 2486
adamc@439 2487 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2488 size_t len;
adamc@682 2489 char *r, *s;
adamc@682 2490 struct tm stm;
adamc@682 2491
adamc@682 2492 if (localtime_r(&t, &stm)) {
adamc@682 2493 s = uw_malloc(ctx, TIMES_MAX);
adamc@682 2494 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682 2495 r = uw_malloc(ctx, len + 14);
adamc@682 2496 sprintf(r, "'%s'::timestamp", s);
adamc@682 2497 return r;
adamc@682 2498 } else
adamc@682 2499 return "<Invalid time>";
adamc@682 2500 }
adamc@682 2501
adamc@682 2502 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2503 size_t len;
adamc@439 2504 char *r;
adamc@439 2505 struct tm stm;
adamc@439 2506
adamc@439 2507 if (localtime_r(&t, &stm)) {
adamc@439 2508 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2509 r = ctx->heap.front;
adamc@439 2510 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2511 ctx->heap.front += len+1;
adamc@439 2512 return r;
adamc@439 2513 } else
adamc@439 2514 return "<Invalid time>";
adamc@439 2515 }
adamc@439 2516
adamc@467 2517 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2518 if (t == NULL)
adamc@467 2519 return "NULL";
adamc@467 2520 else
adamc@467 2521 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2522 }
adamc@467 2523
adamc@311 2524 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2525 static uw_Basis_int true = 1;
adamc@311 2526 static uw_Basis_int false = 0;
adamc@282 2527
adamc@311 2528 if (b == uw_Basis_False)
adamc@282 2529 return (char *)&false;
adamc@282 2530 else
adamc@282 2531 return (char *)&true;
adamc@282 2532 }
adamc@284 2533
adamc@311 2534 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2535 int len;
adamc@284 2536 char *r;
adamc@284 2537
adamc@311 2538 uw_check_heap(ctx, INTS_MAX);
adamc@666 2539 r = ctx->heap.front;
adamc@284 2540 sprintf(r, "%lld%n", n, &len);
adamc@666 2541 ctx->heap.front += len+1;
adamc@284 2542 return r;
adamc@284 2543 }
adamc@285 2544
adamc@311 2545 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2546 int len;
adamc@285 2547 char *r;
adamc@285 2548
adamc@311 2549 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2550 r = ctx->heap.front;
adamc@285 2551 sprintf(r, "%g%n", n, &len);
adamc@666 2552 ctx->heap.front += len+1;
adamc@285 2553 return r;
adamc@285 2554 }
adamc@285 2555
adamc@821 2556 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2557 char *r = uw_malloc(ctx, 2);
adamc@821 2558 r[0] = ch;
adamc@821 2559 r[1] = 0;
adamc@821 2560 return r;
adamc@821 2561 }
adamc@821 2562
adamc@311 2563 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2564 if (b == uw_Basis_False)
adamc@285 2565 return "False";
adamc@285 2566 else
adamc@285 2567 return "True";
adamc@285 2568 }
adamc@288 2569
adamc@436 2570 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2571 size_t len;
adamc@436 2572 char *r;
adamc@436 2573 struct tm stm;
adamc@436 2574
adamc@436 2575 if (localtime_r(&t, &stm)) {
adamc@436 2576 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2577 r = ctx->heap.front;
adamc@436 2578 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2579 ctx->heap.front += len+1;
adamc@436 2580 return r;
adamc@436 2581 } else
adamc@436 2582 return "<Invalid time>";
adamc@436 2583 }
adamc@288 2584
adam@1352 2585 uw_Basis_string uw_Basis_timeToStringf(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2586 size_t len;
adam@1352 2587 char *r;
adam@1352 2588 struct tm stm;
adam@1352 2589
adam@1352 2590 if (localtime_r(&t, &stm)) {
adam@1352 2591 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2592 r = ctx->heap.front;
adam@1352 2593 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2594 ctx->heap.front += len+1;
adam@1352 2595 return r;
adam@1352 2596 } else
adam@1352 2597 return "<Invalid time>";
adam@1352 2598 }
adam@1352 2599
adamc@311 2600 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2601 char *endptr;
adamc@311 2602 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2603
adamc@288 2604 if (*s != '\0' && *endptr == '\0') {
adamc@311 2605 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2606 *r = n;
adamc@288 2607 return r;
adamc@288 2608 } else
adamc@288 2609 return NULL;
adamc@288 2610 }
adamc@289 2611
adamc@311 2612 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2613 char *endptr;
adamc@311 2614 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2615
adamc@289 2616 if (*s != '\0' && *endptr == '\0') {
adamc@311 2617 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2618 *r = n;
adamc@289 2619 return r;
adamc@289 2620 } else
adamc@289 2621 return NULL;
adamc@289 2622 }
adamc@289 2623
adamc@821 2624 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2625 if (s[0] == 0) {
adamc@821 2626 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2627 r[0] = 0;
adamc@821 2628 return r;
adamc@821 2629 } else if (s[1] != 0)
adamc@821 2630 return NULL;
adamc@821 2631 else {
adamc@821 2632 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2633 r[0] = s[0];
adamc@821 2634 return r;
adamc@821 2635 }
adamc@821 2636 }
adamc@821 2637
adamc@311 2638 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2639 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2640 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2641
adamc@289 2642 if (!strcasecmp (s, "True"))
adamc@289 2643 return &true;
adamc@289 2644 else if (!strcasecmp (s, "False"))
adamc@289 2645 return &false;
adamc@289 2646 else
adamc@289 2647 return NULL;
adamc@289 2648 }
adamc@292 2649
adamc@436 2650 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2651 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2652 struct tm stm;
adamc@436 2653
adamc@439 2654 if (dot) {
adamc@439 2655 *dot = 0;
adamc@439 2656 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2657 *dot = '.';
adamc@439 2658 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2659 *r = mktime(&stm);
adamc@439 2660 return r;
adamc@439 2661 }
adamc@439 2662 else {
adamc@439 2663 *dot = '.';
adamc@439 2664 return NULL;
adamc@439 2665 }
adamc@436 2666 }
adamc@439 2667 else {
adamc@439 2668 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2669 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2670 *r = mktime(&stm);
adamc@439 2671 return r;
adamc@439 2672 }
adamc@439 2673 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2674 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2675 *r = mktime(&stm);
adamc@439 2676 return r;
adamc@439 2677 }
adamc@439 2678 else
adamc@439 2679 return NULL;
adamc@439 2680 }
adamc@436 2681 }
adamc@436 2682
adam@1352 2683 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2684 char *end = strchr(s, 0);
adam@1352 2685 struct tm stm;
adam@1352 2686
adam@1352 2687 if (strptime(s, fmt, &stm) == end) {
adam@1352 2688 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1352 2689 *r = mktime(&stm);
adam@1352 2690 return r;
adam@1352 2691 }
adam@1352 2692 else
adam@1352 2693 return NULL;
adam@1352 2694 }
adam@1352 2695
adamc@311 2696 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2697 char *endptr;
adamc@311 2698 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2699
adamc@292 2700 if (*s != '\0' && *endptr == '\0')
adamc@292 2701 return n;
adamc@292 2702 else
adamc@311 2703 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2704 }
adamc@293 2705
adamc@682 2706 #include <errno.h>
adamc@682 2707
adamc@678 2708 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2709 unsigned long long n;
adamc@682 2710
adamc@682 2711 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2712 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2713 else {
adamc@682 2714 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2715 return ch;
adamc@682 2716 }
adamc@682 2717 }
adamc@682 2718
adamc@682 2719 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2720 char *endptr;
adamc@682 2721 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2722
adamc@678 2723 if (*s != '\0' && *endptr == '\0')
adamc@678 2724 return n;
adamc@678 2725 else
adamc@682 2726 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2727 }
adamc@678 2728
adamc@311 2729 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2730 char *endptr;
adamc@311 2731 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2732
adamc@293 2733 if (*s != '\0' && *endptr == '\0')
adamc@293 2734 return n;
adamc@293 2735 else
adamc@311 2736 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2737 }
adamc@293 2738
adamc@821 2739 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2740 if (s[0] == 0)
adamc@821 2741 return 0;
adamc@821 2742 else if (s[1] != 0)
adamc@821 2743 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2744 else
adamc@821 2745 return s[0];
adamc@821 2746 }
adamc@821 2747
adamc@311 2748 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2749 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2750 return uw_Basis_True;
adamc@296 2751 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2752 return uw_Basis_False;
adamc@293 2753 else
adamc@311 2754 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2755 }
adamc@436 2756
adam@1352 2757 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2758 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2759 struct tm stm = {};
adam@1352 2760
adam@1352 2761 if (dot) {
adam@1352 2762 *dot = 0;
adam@1352 2763 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2764 *dot = '.';
adam@1352 2765 return mktime(&stm);
adam@1352 2766 }
adam@1352 2767 else {
adam@1352 2768 *dot = '.';
adam@1352 2769 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2770 }
adam@1352 2771 }
adam@1352 2772 else {
adam@1352 2773 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1352 2774 return mktime(&stm);
adam@1352 2775 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1352 2776 return mktime(&stm);
adam@1352 2777 } else
adam@1352 2778 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2779 }
adam@1352 2780 }
adam@1352 2781
adamc@436 2782 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2783 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2784 struct tm stm = {};
adamc@436 2785
adamc@438 2786 if (dot) {
adamc@438 2787 *dot = 0;
adamc@438 2788 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2789 *dot = '.';
adamc@438 2790 return mktime(&stm);
adamc@438 2791 }
adamc@438 2792 else {
adamc@438 2793 *dot = '.';
adamc@438 2794 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2795 }
adamc@438 2796 }
adamc@438 2797 else {
adamc@439 2798 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2799 return mktime(&stm);
adamc@439 2800 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2801 return mktime(&stm);
adamc@438 2802 else
adamc@438 2803 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2804 }
adamc@436 2805 }
adamc@457 2806
adam@1352 2807 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2808 char *end = strchr(s, 0);
adamc@939 2809 struct tm stm = {};
adamc@939 2810
adam@1352 2811 if (strptime(s, fmt, &stm) == end)
adam@1352 2812 return mktime(&stm);
adam@1352 2813 else
adam@1352 2814 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2815 }
adamc@939 2816
adamc@742 2817 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2818 char *r = ctx->heap.front;
adamc@742 2819 uw_Basis_blob b = {len, r};
adamc@742 2820
adamc@742 2821 uw_check_heap(ctx, len);
adamc@742 2822
adamc@742 2823 while (*s) {
adamc@742 2824 if (s[0] == '\\') {
adamc@742 2825 if (s[1] == '\\') {
adamc@742 2826 *r++ = '\\';
adamc@742 2827 s += 2;
adamc@1153 2828 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2829 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2830 s += 4;
adamc@742 2831 }
adamc@742 2832 else {
adamc@742 2833 *r++ = '\\';
adamc@742 2834 ++s;
adamc@742 2835 }
adamc@742 2836 } else {
adamc@742 2837 *r++ = s[0];
adamc@742 2838 ++s;
adamc@742 2839 }
adamc@742 2840 }
adamc@742 2841
adamc@742 2842 b.size = r - ctx->heap.front;
adamc@742 2843 ctx->heap.front = r;
adamc@742 2844 return b;
adamc@742 2845 }
adamc@742 2846
adamc@1052 2847 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2848
adamc@463 2849 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2850 int len = strlen(c);
adamc@854 2851 char *p = ctx->outHeaders.start;
adamc@474 2852
adamc@1134 2853 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2854 char *p2;
adamc@474 2855 p += 13;
adamc@474 2856 p2 = strchr(p, '=');
adamc@474 2857
adamc@474 2858 if (p2) {
adamc@474 2859 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2860
adamc@474 2861 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2862 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2863 return NULL;
adamc@1052 2864 else {
adamc@1052 2865 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2866 memcpy(ret, p2+1, sz);
adamc@1052 2867 ret[sz] = 0;
adamc@1052 2868 return ret;
adamc@1052 2869 }
adamc@474 2870 }
adamc@474 2871 }
adamc@474 2872 }
adamc@463 2873
adamc@1134 2874 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2875 char *p2;
adamc@1051 2876
adamc@854 2877 while (1) {
adamc@1051 2878 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2879 if ((p2 = strchr(p, ';'))) {
adamc@1051 2880 size_t n = p2 - (p + len);
adamc@1051 2881 char *r = uw_malloc(ctx, n);
adamc@1051 2882 memcpy(r, p + 1 + len, n-1);
adamc@1051 2883 r[n-1] = 0;
adamc@1051 2884 return r;
adamc@1051 2885 } else
adamc@1051 2886 return p + 1 + len;
adamc@1134 2887 } else if ((p = strchr(p, ';')))
adamc@854 2888 p += 2;
adamc@463 2889 else
adamc@463 2890 return NULL;
adamc@463 2891 }
adamc@463 2892 }
adamc@792 2893
adamc@792 2894 return NULL;
adamc@457 2895 }
adamc@462 2896
adamc@1050 2897 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 2898 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2899 uw_write_header(ctx, c);
adamc@462 2900 uw_write_header(ctx, "=");
adamc@462 2901 uw_write_header(ctx, v);
adamc@466 2902 uw_write_header(ctx, "; path=");
adamc@466 2903 uw_write_header(ctx, prefix);
adamc@1050 2904 if (expires) {
adamc@1050 2905 char formatted[30];
adamc@1050 2906 struct tm tm;
adamc@1050 2907
adamc@1050 2908 gmtime_r(expires, &tm);
adamc@1050 2909
adamc@1050 2910 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2911
adamc@1050 2912 uw_write_header(ctx, "; expires=");
adamc@1050 2913 uw_write_header(ctx, formatted);
adamc@1050 2914 }
adamc@1050 2915 if (secure)
adamc@1050 2916 uw_write_header(ctx, "; secure");
adamc@462 2917 uw_write_header(ctx, "\r\n");
adamc@462 2918
adamc@462 2919 return uw_unit_v;
adamc@462 2920 }
adamc@667 2921
adamc@1050 2922 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2923 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2924 uw_write_header(ctx, c);
adamc@1050 2925 uw_write_header(ctx, "=; path=");
adamc@1050 2926 uw_write_header(ctx, prefix);
adamc@1052 2927 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2928
adamc@1050 2929 return uw_unit_v;
adamc@1050 2930 }
adamc@1050 2931
adamc@1113 2932 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 2933
adamc@682 2934 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2935 unsigned i;
adamc@682 2936 delta *d;
adamc@671 2937
adamc@682 2938 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2939 if (ctx->deltas[i].client == client)
adamc@682 2940 return &ctx->deltas[i];
adamc@671 2941
adamc@682 2942 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 2943 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 2944 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 2945
adamc@682 2946 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@1113 2947 buf_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2948 }
adamc@671 2949
adamc@682 2950 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2951 d->client = client;
adamc@682 2952 buf_reset(&d->msgs);
adamc@682 2953 return d;
adamc@671 2954 }
adamc@671 2955
adamc@668 2956 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2957 if (ctx->client == NULL)
adamc@682 2958 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2959
adamc@682 2960 return new_channel(ctx->client);
adamc@668 2961 }
adamc@668 2962
adamc@668 2963 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 2964 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 2965 size_t len;
adamc@682 2966 int preLen;
adamc@682 2967 char pre[INTS_MAX + 2];
adamc@668 2968
adamc@682 2969 len = strlen(msg);
adamc@682 2970
adamc@682 2971 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 2972
adamc@1113 2973 ctx_buf_append(ctx, "messages", &d->msgs, pre, preLen);
adamc@1113 2974 ctx_buf_append(ctx, "messages", &d->msgs, msg, len);
adamc@1113 2975 ctx_buf_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 2976
adamc@671 2977 return uw_unit_v;
adamc@668 2978 }
adamc@671 2979
adam@1327 2980 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 2981 int i;
adamc@1131 2982 cleanup *cl;
adamc@1131 2983
adamc@1131 2984 if (ctx->client)
adamc@1131 2985 release_client(ctx->client);
adamc@1131 2986
adamc@1131 2987 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 2988 cl->func(cl->arg);
adamc@1131 2989
adamc@1131 2990 ctx->cleanup_front = ctx->cleanup;
adamc@1131 2991
adamc@1131 2992 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 2993 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 2994 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 2995
adamc@1131 2996 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 2997 if (ctx->transactionals[i].free)
adam@1327 2998 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 2999
adamc@1144 3000 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3001 }
adamc@1131 3002
adamc@671 3003 void uw_commit(uw_context ctx) {
adamc@1104 3004 int i;
adamc@1104 3005
adamc@1131 3006 if (uw_has_error(ctx)) {
adam@1327 3007 uw_rollback(ctx, 0);
adamc@1131 3008 return;
adamc@1131 3009 }
adamc@1131 3010
adamc@1104 3011 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3012 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3013 if (ctx->transactionals[i].commit) {
adamc@1083 3014 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3015 if (uw_has_error(ctx)) {
adam@1327 3016 uw_rollback(ctx, 0);
adamc@1131 3017 return;
adamc@1131 3018 }
adamc@1131 3019 }
adamc@771 3020
adamc@1104 3021 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3022 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3023 if (ctx->transactionals[i].commit) {
adamc@1083 3024 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3025 if (uw_has_error(ctx)) {
adam@1327 3026 uw_rollback(ctx, 0);
adamc@1131 3027 return;
adamc@1131 3028 }
adamc@1131 3029 }
adamc@1131 3030
adamc@1131 3031 if (ctx->app->db_commit(ctx)) {
adamc@1131 3032 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3033 return;
adamc@1131 3034 }
adamc@682 3035
adamc@682 3036 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3037 delta *d = &ctx->deltas[i];
adamc@682 3038 client *c = find_client(d->client);
adamc@682 3039
adamc@682 3040 assert (c != NULL && c->mode == USED);
adamc@682 3041
adamc@685 3042 client_send(c, &d->msgs);
adamc@682 3043 }
adamc@682 3044
adamc@682 3045 if (ctx->client)
adamc@685 3046 release_client(ctx->client);
adamc@771 3047
adamc@1104 3048 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3049 if (ctx->transactionals[i].free)
adam@1327 3050 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3051
adamc@916 3052 // Splice script data into appropriate part of page
adamc@1065 3053 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3054 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3055 if (start) {
adamc@995 3056 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3057 ctx->page.front -= 4;
adamc@995 3058 }
adamc@995 3059 } else if (buf_used(&ctx->script) == 0) {
adamc@916 3060 size_t len = strlen(ctx->script_header);
adamc@916 3061 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3062 if (start) {
adamc@1113 3063 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 3064 start = strstr(ctx->page.start, "<sc>");
adamc@916 3065 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3066 ctx->page.front += len - 4;
adamc@916 3067 memcpy(start, ctx->script_header, len);
adamc@916 3068 }
adamc@916 3069 } else {
adamc@916 3070 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 3071 size_t lenP = lenH + 40 + len;
adamc@916 3072 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3073 if (start) {
adamc@1113 3074 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 3075 start = strstr(ctx->page.start, "<sc>");
adamc@916 3076 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3077 ctx->page.front += lenP - 4;
adamc@916 3078 memcpy(start, ctx->script_header, lenH);
adamc@916 3079 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3080 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3081 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3082 }
adamc@916 3083 }
adamc@671 3084 }
adamc@671 3085
adamc@683 3086
adamc@1113 3087 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3088
adamc@771 3089 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3090 uw_callback_with_retry free) {
adamc@771 3091 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3092 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3093 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3094 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3095 ++ctx->n_transactionals;
adamc@771 3096 }
adamc@771 3097
adamc@771 3098 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3099 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3100 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3101 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3102 }
adamc@771 3103
adamc@683 3104
adamc@683 3105 // "Garbage collection"
adamc@683 3106
adamc@1121 3107 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3108 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3109
adamc@1121 3110 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3111 int r = setjmp(ctx->jmp_buf);
adamc@683 3112
adamc@1121 3113 if (r == 0)
adamc@1121 3114 uw_do_expunge(ctx, cli, data);
adamc@1121 3115 else
adamc@1121 3116 ctx->app->db_rollback(ctx);
adamc@1121 3117
adamc@1121 3118 uw_post_expunge(ctx, data);
adamc@683 3119
adamc@683 3120 return r;
adamc@683 3121 }
adamc@683 3122
adamc@683 3123 void uw_prune_clients(uw_context ctx) {
adamc@683 3124 client *c, *next, *prev = NULL;
adamc@683 3125 time_t cutoff;
adamc@683 3126
adamc@1094 3127 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3128
adamc@683 3129 pthread_mutex_lock(&clients_mutex);
adamc@683 3130
adamc@683 3131 for (c = clients_used; c; c = next) {
adamc@683 3132 next = c->next;
adamc@683 3133 pthread_mutex_lock(&c->lock);
adamc@685 3134 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3135 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3136 if (prev)
adamc@683 3137 prev->next = next;
adamc@683 3138 else
adamc@683 3139 clients_used = next;
adamc@684 3140 uw_reset(ctx);
adamc@683 3141 while (fk == UNLIMITED_RETRY) {
adamc@1121 3142 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3143 if (fk == UNLIMITED_RETRY)
adamc@684 3144 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3145 }
adamc@684 3146 if (fk == SUCCESS)
adamc@684 3147 free_client(c);
adamc@1121 3148 else
adamc@856 3149 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3150 }
adamc@683 3151 else
adamc@683 3152 prev = c;
adamc@683 3153 pthread_mutex_unlock(&c->lock);
adamc@683 3154 }
adamc@683 3155
adamc@683 3156 pthread_mutex_unlock(&clients_mutex);
adamc@683 3157 }
adamc@687 3158
adamc@687 3159 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3160 int r = setjmp(ctx->jmp_buf);
adamc@687 3161
adamc@687 3162 if (r == 0) {
adamc@1094 3163 if (ctx->app->db_begin(ctx))
adamc@687 3164 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3165 ctx->app->initializer(ctx);
adamc@1094 3166 if (ctx->app->db_commit(ctx))
adamc@687 3167 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3168 }
adamc@687 3169
adamc@687 3170 return r;
adamc@687 3171 }
adamc@717 3172
adamc@1065 3173 static int url_bad(uw_Basis_string s) {
adamc@1065 3174 for (; *s; ++s)
adamc@1153 3175 if (!isgraph((int)*s))
adamc@1065 3176 return 1;
adamc@1065 3177
adamc@1065 3178 return 0;
adamc@1065 3179 }
adamc@1065 3180
adamc@717 3181 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3182 if (url_bad(s))
adamc@1065 3183 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3184 if (ctx->app->check_url(s))
adamc@770 3185 return s;
adamc@770 3186 else
adamc@770 3187 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3188 }
adamc@734 3189
adamc@770 3190 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3191 if (url_bad(s))
adamc@1065 3192 return NULL;
adamc@1094 3193 if (ctx->app->check_url(s))
adamc@770 3194 return s;
adamc@770 3195 else
adamc@770 3196 return NULL;
adamc@770 3197 }
adamc@770 3198
adamc@770 3199 int mime_format(const char *s) {
adamc@770 3200 for (; *s; ++s)
adamc@1153 3201 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3202 return 0;
adamc@770 3203
adamc@770 3204 return 1;
adamc@770 3205 }
adamc@770 3206
adamc@741 3207 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3208 if (!mime_format(s))
adamc@770 3209 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3210
adamc@1094 3211 if (ctx->app->check_mime(s))
adamc@770 3212 return s;
adamc@770 3213 else
adamc@770 3214 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3215 }
adamc@770 3216
adamc@770 3217 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3218 if (!mime_format(s))
adamc@770 3219 return NULL;
adamc@770 3220
adamc@1094 3221 if (ctx->app->check_mime(s))
adamc@770 3222 return s;
adamc@770 3223 else
adamc@770 3224 return NULL;
adamc@741 3225 }
adamc@741 3226
adamc@734 3227 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3228 return s ? s : "";
adamc@734 3229 }
adamc@734 3230
adamc@734 3231 extern int uw_hash_blocksize;
adamc@734 3232
adamc@734 3233 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3234 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3235 int i;
adamc@734 3236
adamc@734 3237 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3238 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3239
adamc@734 3240 return r;
adamc@734 3241 }
adamc@734 3242
adamc@734 3243 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3244 return ctx->app->cookie_sig(ctx);
adamc@734 3245 }
adamc@737 3246
adamc@737 3247 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3248 return f.name;
adamc@737 3249 }
adamc@737 3250
adamc@740 3251 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3252 return f.type;
adamc@740 3253 }
adamc@740 3254
adamc@745 3255 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3256 return b.size;
adamc@745 3257 }
adamc@745 3258
adamc@1119 3259 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3260 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3261
adamc@1119 3262 return b;
adamc@1119 3263 }
adamc@1119 3264
adamc@737 3265 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3266 return f.data;
adamc@737 3267 }
adamc@741 3268
adam@1347 3269 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3270 return pb.type;
adam@1347 3271 }
adam@1347 3272
adam@1347 3273 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3274 return pb.data;
adam@1347 3275 }
adam@1347 3276
adamc@741 3277 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3278 cleanup *cl;
adamc@741 3279 int len;
adamc@741 3280
adamc@1065 3281 ctx->returning_indirectly = 1;
adamc@741 3282 buf_reset(&ctx->outHeaders);
adamc@741 3283 buf_reset(&ctx->page);
adamc@741 3284
adamc@856 3285 uw_write_header(ctx, on_success);
adamc@856 3286 uw_write_header(ctx, "Content-Type: ");
adamc@741 3287 uw_write_header(ctx, mimeType);
adamc@741 3288 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@1113 3289 ctx_buf_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3290 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3291 ctx->outHeaders.front += len;
adamc@1066 3292 uw_write_header(ctx, "\r\n");
adamc@741 3293
adamc@1113 3294 ctx_buf_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3295
adamc@741 3296 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3297 cl->func(cl->arg);
adamc@741 3298
adamc@741 3299 ctx->cleanup_front = ctx->cleanup;
adamc@741 3300
adamc@1065 3301 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3302 }
adamc@1065 3303
adamc@1065 3304 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3305 cleanup *cl;
adamc@1066 3306 char *s;
adamc@1065 3307
adamc@1065 3308 ctx->returning_indirectly = 1;
adamc@1066 3309 buf_reset(&ctx->page);
adamc@1113 3310 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->outHeaders)+1);
adamc@1066 3311 memcpy(ctx->page.start, ctx->outHeaders.start, buf_used(&ctx->outHeaders));
adamc@1066 3312 ctx->page.start[buf_used(&ctx->outHeaders)] = 0;
adamc@1065 3313 buf_reset(&ctx->outHeaders);
adamc@1065 3314
adamc@1065 3315 uw_write_header(ctx, on_redirect);
adamc@1066 3316
adamc@1066 3317 s = strchr(ctx->page.start, '\n');
adamc@1066 3318 if (s) {
adamc@1066 3319 char *s2;
adamc@1134 3320 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3321 *s2 = 0;
adamc@1066 3322 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3323 uw_write_header(ctx, s);
adamc@1066 3324 uw_write_header(ctx, "\n");
adamc@1066 3325 }
adamc@1066 3326 }
adamc@1066 3327 }
adamc@1066 3328
adamc@1065 3329 uw_write_header(ctx, "Location: ");
adamc@1065 3330 uw_write_header(ctx, url);
adamc@1065 3331 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3332
adamc@1065 3333 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3334 cl->func(cl->arg);
adamc@1065 3335
adamc@1065 3336 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3337
adamc@1065 3338 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3339 }
adamc@874 3340
adamc@874 3341 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3342 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3343
adamc@874 3344 for (; *s; ++s) {
adamc@874 3345 if (s[0] == '\'') {
adamc@874 3346 *r++ = '\'';
adamc@874 3347 for (++s; *s; ++s) {
adamc@874 3348 if (s[0] == '\'') {
adamc@874 3349 *r++ = '\'';
adamc@874 3350 break;
adamc@874 3351 } else if (s[0] == '\\') {
adamc@874 3352 if (s[1] == '\\') {
adamc@874 3353 *r++ = '\\';
adamc@874 3354 *r++ = '\\';
adamc@874 3355 ++s;
adamc@874 3356 } else if (s[1] == '\'') {
adamc@874 3357 *r++ = '\\';
adamc@874 3358 *r++ = '\'';
adamc@874 3359 ++s;
adamc@874 3360 } else
adamc@874 3361 *r++ = '\'';
adamc@874 3362 } else
adamc@874 3363 *r++ = s[0];
adamc@874 3364 }
adamc@874 3365 if (*s == 0) break;
adamc@874 3366 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3367 ++s;
adamc@874 3368 else
adamc@874 3369 *r++ = s[0];
adamc@874 3370 }
adamc@874 3371
adamc@874 3372 return r;
adamc@874 3373 }
adamc@874 3374
adamc@922 3375 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3376 va_list ap;
adamc@922 3377 size_t len = 1;
adamc@922 3378 char *s, *r, *s2;
adamc@922 3379
adamc@922 3380 va_start(ap, ctx);
adamc@922 3381 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3382 len += strlen(s);
adamc@922 3383 va_end(ap);
adamc@922 3384
adamc@922 3385 r = uw_malloc(ctx, len);
adamc@922 3386 va_start(ap, ctx);
adamc@922 3387 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3388 while (*s)
adamc@922 3389 *s2++ = *s++;
adamc@922 3390 va_end(ap);
adamc@922 3391 *s2 = 0;
adamc@922 3392
adamc@922 3393 return r;
adamc@922 3394 }
adamc@1006 3395
adamc@1050 3396 const uw_Basis_time minTime = 0;
adamc@1050 3397
adamc@1006 3398 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006 3399 return time(NULL);
adamc@1006 3400 }
adamc@1061 3401
adamc@1138 3402 uw_Basis_time uw_Basis_minusSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adamc@1138 3403 return tm - n;
adamc@1138 3404 }
adamc@1138 3405
adamc@1061 3406 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3407 int i;
adamc@1061 3408
adamc@1061 3409 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3410 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3411 return ctx->globals[i].data;
adamc@1061 3412
adamc@1061 3413 return NULL;
adamc@1061 3414 }
adamc@1061 3415
adamc@1113 3416 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3417
adamc@1061 3418 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3419 int i;
adamc@1061 3420
adamc@1061 3421 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3422 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3423 if (ctx->globals[i].free)
adamc@1061 3424 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3425 ctx->globals[i].data = data;
adamc@1061 3426 ctx->globals[i].free = free;
adamc@1061 3427 return;
adamc@1061 3428 }
adamc@1089 3429
adamc@1113 3430 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3431 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3432
adamc@1061 3433 ++ctx->n_globals;
adamc@1061 3434 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3435 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3436 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3437 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3438 }
adamc@1061 3439
adamc@1061 3440 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3441 return !!isalnum((int)c);
adamc@1061 3442 }
adamc@1061 3443
adamc@1061 3444 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3445 return !!isalpha((int)c);
adamc@1061 3446 }
adamc@1061 3447
adamc@1061 3448 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3449 return !!isblank((int)c);
adamc@1061 3450 }
adamc@1061 3451
adamc@1061 3452 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3453 return !!iscntrl((int)c);
adamc@1061 3454 }
adamc@1061 3455
adamc@1061 3456 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3457 return !!isdigit((int)c);
adamc@1061 3458 }
adamc@1061 3459
adamc@1061 3460 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3461 return !!isgraph((int)c);
adamc@1061 3462 }
adamc@1061 3463
adamc@1061 3464 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3465 return !!islower((int)c);
adamc@1061 3466 }
adamc@1061 3467
adamc@1061 3468 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3469 return !!isprint((int)c);
adamc@1061 3470 }
adamc@1061 3471
adamc@1061 3472 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3473 return !!ispunct((int)c);
adamc@1061 3474 }
adamc@1061 3475
adamc@1061 3476 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3477 return !!isspace((int)c);
adamc@1061 3478 }
adamc@1063 3479
adamc@1061 3480 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3481 return !!isupper((int)c);
adamc@1061 3482 }
adamc@1061 3483
adamc@1061 3484 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3485 return !!isxdigit((int)c);
adamc@1061 3486 }
adamc@1061 3487
adamc@1061 3488 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3489 return tolower((int)c);
adamc@1061 3490 }
adamc@1061 3491
adamc@1061 3492 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3493 return toupper((int)c);
adamc@1061 3494 }
adamc@1066 3495
adamc@1128 3496 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3497 return (unsigned char)c;
adamc@1128 3498 }
adamc@1128 3499
adamc@1128 3500 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3501 return n;
adamc@1128 3502 }
adamc@1128 3503
adamc@1066 3504 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3505 return ctx->current_url;
adamc@1066 3506 }
adamc@1066 3507
adamc@1066 3508 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3509 ctx->current_url = s;
adamc@1066 3510 }
adamc@1114 3511
adamc@1114 3512 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3513 ctx->deadline = n;
adamc@1114 3514 }
adamc@1114 3515
adamc@1114 3516 void uw_check_deadline(uw_context ctx) {
adamc@1114 3517 if (uw_time > ctx->deadline)
adamc@1114 3518 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3519 }
adamc@1115 3520
adamc@1115 3521 size_t uw_database_max = SIZE_MAX;
adamc@1120 3522
adamc@1120 3523 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3524 if (ctx->log_debug)
adam@1334 3525 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3526 else
adam@1334 3527 fprintf(stderr, "%s\n", s);
adamc@1120 3528 return uw_unit_v;
adamc@1120 3529 }
adamc@1250 3530
adamc@1250 3531 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3532 uw_Basis_int n = abs(rand());
adamc@1250 3533 return n;
adamc@1250 3534 }
adam@1347 3535
adam@1347 3536 void uw_noPostBody(uw_context ctx) {
adam@1347 3537 ctx->hasPostBody = 0;
adam@1347 3538 }
adam@1347 3539
adam@1347 3540 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3541 ctx->hasPostBody = 1;
adam@1347 3542 ctx->postBody = pb;
adam@1347 3543 }
adam@1347 3544
adam@1347 3545 int uw_hasPostBody(uw_context ctx) {
adam@1347 3546 return ctx->hasPostBody;
adam@1347 3547 }
adam@1347 3548
adam@1347 3549 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3550 if (ctx->hasPostBody)
adam@1347 3551 return ctx->postBody;
adam@1347 3552 else
adam@1347 3553 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3554 }
adam@1349 3555
adam@1349 3556 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3557 int r = setjmp(ctx->jmp_buf);
adam@1349 3558
adam@1349 3559 if (ctx->app->db_begin(ctx))
adam@1349 3560 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349 3561
adam@1349 3562 if (r == 0) {
adam@1349 3563 callback(ctx);
adam@1349 3564 uw_commit(ctx);
adam@1349 3565 }
adam@1349 3566 else
adam@1349 3567 uw_rollback(ctx, 0);
adam@1349 3568
adam@1349 3569 return r;
adam@1349 3570 }