annotate src/c/urweb.c @ 1364:0dec38af601c

Fix Postgres date serialization
author Adam Chlipala <adam@chlipala.net>
date Fri, 24 Dec 2010 17:18:28 -0500
parents 7dd8a6704265
children b02cb9da5686
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1360 16 #include <crypt.h>
adamc@102 17
adamc@667 18 #include <pthread.h>
adamc@667 19
adamc@102 20 #include "types.h"
adamc@102 21
adamc@311 22 uw_unit uw_unit_v = {};
adamc@102 23
adamc@667 24
adamc@667 25 // Socket extras
adamc@667 26
adamc@863 27 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 28 while (len > 0) {
adamc@856 29 ssize_t n = send(sock, buf, len, 0);
adamc@856 30
adamc@856 31 if (n < 0)
adamc@856 32 return n;
adamc@856 33
adamc@856 34 buf += n;
adamc@856 35 len -= n;
adamc@856 36 }
adamc@856 37
adamc@856 38 return 0;
adamc@856 39 }
adamc@856 40
adamc@856 41 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 42 while (len > 0) {
adamc@856 43 ssize_t n = write(fd, buf, len);
adamc@667 44
adamc@667 45 if (n < 0)
adamc@667 46 return n;
adamc@667 47
adamc@667 48 buf += n;
adamc@667 49 len -= n;
adamc@667 50 }
adamc@667 51
adamc@667 52 return 0;
adamc@667 53 }
adamc@667 54
adamc@667 55
adamc@667 56 // Buffers
adamc@667 57
adamc@667 58 typedef struct {
adamc@1113 59 size_t max;
adamc@667 60 char *start, *front, *back;
adamc@667 61 } buf;
adamc@667 62
adamc@1113 63 static void buf_init(size_t max, buf *b, size_t s) {
adamc@1113 64 b->max = max;
adamc@667 65 b->front = b->start = malloc(s);
adamc@667 66 b->back = b->front + s;
adamc@667 67 }
adamc@667 68
adamc@667 69 static void buf_free(buf *b) {
adamc@667 70 free(b->start);
adamc@667 71 }
adamc@667 72
adamc@667 73 static void buf_reset(buf *b) {
adamc@667 74 b->front = b->start;
adamc@667 75 }
adamc@667 76
adamc@1113 77 static int buf_check(buf *b, size_t extra) {
adamc@667 78 if (b->back - b->front < extra) {
adamc@667 79 size_t desired = b->front - b->start + extra, next;
adamc@667 80 char *new_heap;
adamc@667 81
adamc@667 82 next = b->back - b->start;
adamc@667 83 if (next == 0)
adamc@667 84 next = 1;
adamc@667 85 for (; next < desired; next *= 2);
adamc@667 86
adamc@1134 87 if (next > b->max) {
adamc@1113 88 if (desired <= b->max)
adamc@1113 89 next = desired;
adamc@1113 90 else
adamc@1113 91 return 1;
adamc@1134 92 }
adamc@1113 93
adamc@667 94 new_heap = realloc(b->start, next);
adamc@667 95 b->front = new_heap + (b->front - b->start);
adamc@667 96 b->back = new_heap + next;
adamc@667 97 b->start = new_heap;
adamc@667 98 }
adamc@1113 99
adamc@1113 100 return 0;
adamc@1113 101 }
adamc@1113 102
adamc@1113 103 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 104
adamc@1113 105 static void ctx_buf_check(uw_context ctx, const char *kind, buf *b, size_t extra) {
adamc@1113 106 if (buf_check(b, extra))
adamc@1113 107 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 108 }
adamc@667 109
adamc@667 110 static size_t buf_used(buf *b) {
adamc@667 111 return b->front - b->start;
adamc@667 112 }
adamc@667 113
adamc@667 114 static size_t buf_avail(buf *b) {
adamc@667 115 return b->back - b->start;
adamc@667 116 }
adamc@667 117
adamc@1113 118 static int buf_append(buf *b, const char *s, size_t len) {
adamc@1113 119 if (buf_check(b, len+1))
adamc@1113 120 return 1;
adamc@1113 121
adamc@1113 122 memcpy(b->front, s, len);
adamc@1113 123 b->front += len;
adamc@1113 124 *b->front = 0;
adamc@1113 125
adamc@1113 126 return 0;
adamc@1113 127 }
adamc@1113 128
adamc@1113 129 static void ctx_buf_append(uw_context ctx, const char *kind, buf *b, const char *s, size_t len) {
adamc@1113 130 ctx_buf_check(ctx, kind, b, len+1);
adamc@1113 131
adamc@668 132 memcpy(b->front, s, len);
adamc@668 133 b->front += len;
adamc@672 134 *b->front = 0;
adamc@668 135 }
adamc@667 136
adamc@668 137
adamc@672 138 // Persistent state types
adamc@667 139
adamc@667 140 typedef enum { UNUSED, USED } usage;
adamc@667 141
adamc@667 142 typedef struct client {
adamc@682 143 unsigned id;
adamc@667 144 usage mode;
adamc@682 145 int pass;
adamc@682 146 struct client *next;
adamc@689 147 pthread_mutex_t lock, pull_lock;
adamc@682 148 buf msgs;
adamc@682 149 int sock;
adamc@863 150 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 151 int (*close)(int fd);
adamc@682 152 time_t last_contact;
adamc@682 153 unsigned n_channels;
adamc@685 154 unsigned refcount;
adamc@1121 155 void *data;
adamc@667 156 } client;
adamc@667 157
adamc@672 158
adamc@672 159 // Persistent client state
adamc@672 160
adamc@682 161 static client **clients, *clients_free, *clients_used;
adamc@682 162 static unsigned n_clients;
adamc@667 163
adamc@667 164 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 165
adamc@1113 166 size_t uw_messages_max = SIZE_MAX;
adamc@1113 167 size_t uw_clients_max = SIZE_MAX;
adamc@1113 168
adamc@1121 169 void *uw_init_client_data();
adamc@1121 170 void uw_free_client_data(void *);
adamc@1121 171 void uw_copy_client_data(void *dst, void *src);
adamc@1121 172
adamc@682 173 static client *new_client() {
adamc@667 174 client *c;
adamc@667 175
adamc@667 176 pthread_mutex_lock(&clients_mutex);
adamc@667 177
adamc@667 178 if (clients_free) {
adamc@667 179 c = clients_free;
adamc@682 180 clients_free = clients_free->next;
adamc@667 181 }
adamc@1113 182 else if (n_clients >= uw_clients_max)
adamc@1113 183 return NULL;
adamc@667 184 else {
adamc@667 185 ++n_clients;
adamc@667 186 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 187 c = malloc(sizeof(client));
adamc@667 188 c->id = n_clients-1;
adamc@682 189 pthread_mutex_init(&c->lock, NULL);
adamc@689 190 pthread_mutex_init(&c->pull_lock, NULL);
adamc@1113 191 buf_init(uw_messages_max, &c->msgs, 0);
adamc@667 192 clients[n_clients-1] = c;
adamc@667 193 }
adamc@667 194
adamc@682 195 pthread_mutex_lock(&c->lock);
adamc@667 196 c->mode = USED;
adamc@682 197 c->pass = rand();
adamc@682 198 c->sock = -1;
adamc@682 199 c->last_contact = time(NULL);
adamc@682 200 buf_reset(&c->msgs);
adamc@682 201 c->n_channels = 0;
adamc@685 202 c->refcount = 0;
adamc@1121 203 c->data = uw_init_client_data();
adamc@682 204 pthread_mutex_unlock(&c->lock);
adamc@682 205
adamc@682 206 c->next = clients_used;
adamc@682 207 clients_used = c;
adamc@667 208
adamc@667 209 pthread_mutex_unlock(&clients_mutex);
adamc@667 210
adamc@667 211 return c;
adamc@667 212 }
adamc@667 213
adamc@685 214 static void use_client(client *c) {
adamc@685 215 pthread_mutex_lock(&c->lock);
adamc@685 216 ++c->refcount;
adamc@685 217 pthread_mutex_unlock(&c->lock);
adamc@689 218 pthread_mutex_lock(&c->pull_lock);
adamc@685 219 }
adamc@685 220
adamc@685 221 static void release_client(client *c) {
adamc@689 222 pthread_mutex_unlock(&c->pull_lock);
adamc@685 223 pthread_mutex_lock(&c->lock);
adamc@685 224 --c->refcount;
adamc@685 225 pthread_mutex_unlock(&c->lock);
adamc@689 226
adamc@685 227 }
adamc@685 228
adamc@856 229 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 230
adamc@682 231 static client *find_client(unsigned id) {
adamc@667 232 client *c;
adamc@667 233
adamc@667 234 pthread_mutex_lock(&clients_mutex);
adamc@667 235
adamc@667 236 if (id >= n_clients) {
adamc@667 237 pthread_mutex_unlock(&clients_mutex);
adamc@668 238 return NULL;
adamc@667 239 }
adamc@667 240
adamc@667 241 c = clients[id];
adamc@667 242
adamc@668 243 pthread_mutex_unlock(&clients_mutex);
adamc@668 244 return c;
adamc@668 245 }
adamc@668 246
adamc@856 247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 249
adamc@856 250 void uw_set_on_success(char *s) {
adamc@856 251 on_success = s;
adamc@856 252 }
adamc@856 253
adamc@863 254 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 255 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 256 int (*close)(int fd),
adamc@864 257 void *logger_data, uw_logger log_error) {
adamc@682 258 client *c = find_client(id);
adamc@668 259
adamc@668 260 if (c == NULL) {
adamc@667 261 close(sock);
adamc@864 262 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 263 return;
adamc@667 264 }
adamc@667 265
adamc@682 266 pthread_mutex_lock(&c->lock);
adamc@671 267
adamc@682 268 if (c->mode != USED) {
adamc@682 269 pthread_mutex_unlock(&c->lock);
adamc@667 270 close(sock);
adamc@864 271 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 272 return;
adamc@667 273 }
adamc@667 274
adamc@682 275 if (pass != c->pass) {
adamc@682 276 pthread_mutex_unlock(&c->lock);
adamc@682 277 close(sock);
adamc@864 278 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 279 return;
adamc@667 280 }
adamc@667 281
adamc@682 282 if (c->sock != -1) {
adamc@863 283 c->close(c->sock);
adamc@682 284 c->sock = -1;
adamc@682 285 }
adamc@667 286
adamc@682 287 c->last_contact = time(NULL);
adamc@682 288
adamc@682 289 if (buf_used(&c->msgs) > 0) {
adamc@863 290 send(sock, on_success, strlen(on_success));
adamc@863 291 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 292 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682 293 buf_reset(&c->msgs);
adamc@667 294 close(sock);
adamc@667 295 }
adamc@863 296 else {
adamc@682 297 c->sock = sock;
adamc@863 298 c->send = send;
adamc@863 299 c->close = close;
adamc@863 300 }
adamc@667 301
adamc@682 302 pthread_mutex_unlock(&c->lock);
adamc@667 303 }
adamc@667 304
adamc@682 305 static void free_client(client *c) {
adamc@682 306 c->mode = UNUSED;
adamc@682 307 c->pass = -1;
adamc@667 308
adamc@682 309 c->next = clients_free;
adamc@682 310 clients_free = c;
adamc@667 311 }
adamc@667 312
adamc@682 313 static uw_Basis_channel new_channel(client *c) {
adamc@682 314 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 315 return ch;
adamc@668 316 }
adamc@668 317
adamc@685 318 static void client_send(client *c, buf *msg) {
adamc@685 319 pthread_mutex_lock(&c->lock);
adamc@671 320
adamc@682 321 if (c->sock != -1) {
adamc@863 322 c->send(c->sock, on_success, strlen(on_success));
adamc@863 323 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 324 c->send(c->sock, msg->start, buf_used(msg));
adamc@863 325 c->close(c->sock);
adamc@682 326 c->sock = -1;
adamc@1113 327 } else if (buf_append(&c->msgs, msg->start, buf_used(msg)))
adamc@1113 328 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 329
adamc@685 330 pthread_mutex_unlock(&c->lock);
adamc@668 331 }
adamc@668 332
adamc@668 333
adamc@668 334 // Global entry points
adamc@668 335
adamc@1164 336 extern void uw_global_custom();
adamc@1104 337 extern void uw_init_crypto();
adamc@1104 338
adamc@668 339 void uw_global_init() {
adamc@668 340 srand(time(NULL) ^ getpid());
adamc@668 341
adamc@668 342 clients = malloc(0);
adamc@1104 343
adamc@1164 344 uw_global_custom();
adamc@1104 345 uw_init_crypto();
adamc@1094 346 }
adamc@1094 347
adamc@1094 348 void uw_app_init(uw_app *app) {
adamc@1094 349 app->client_init();
adamc@668 350 }
adamc@668 351
adam@1332 352 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 353
adamc@668 354
adamc@667 355 // Single-request state
adamc@667 356
adamc@323 357 typedef struct regions {
adamc@323 358 struct regions *next;
adamc@323 359 } regions;
adamc@323 360
adamc@425 361 typedef struct {
adamc@425 362 void (*func)(void*);
adamc@425 363 void *arg;
adamc@425 364 } cleanup;
adamc@425 365
adamc@671 366 typedef struct {
adamc@682 367 unsigned client;
adamc@671 368 buf msgs;
adamc@682 369 } delta;
adamc@671 370
adamc@737 371 typedef enum {
adamc@759 372 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 373 } input_kind;
adamc@737 374
adamc@756 375 typedef struct input {
adamc@737 376 input_kind kind;
adamc@737 377 union {
adamc@737 378 char *normal;
adamc@739 379 uw_Basis_file file;
adamc@756 380 struct {
adamc@759 381 struct input *fields, *parent;
adamc@756 382 } subform;
adamc@759 383 struct {
adamc@759 384 struct input *entries, *parent;
adamc@759 385 } subforms;
adamc@759 386 struct {
adamc@759 387 struct input *fields, *next, *parent;
adamc@759 388 } entry;
adamc@737 389 } data;
adamc@737 390 } input;
adamc@737 391
adamc@771 392 typedef struct {
adamc@771 393 void *data;
adam@1327 394 uw_callback commit, rollback;
adam@1327 395 uw_callback_with_retry free;
adamc@771 396 } transactional;
adamc@771 397
adamc@1061 398 typedef struct {
adamc@1061 399 char *name;
adamc@1061 400 void *data;
adamc@1061 401 void (*free)(void*);
adamc@1061 402 } global;
adamc@1061 403
adamc@311 404 struct uw_context {
adamc@1094 405 uw_app *app;
adamc@1094 406
adamc@854 407 char *(*get_header)(void *, const char *);
adamc@854 408 void *get_header_data;
adamc@457 409
adamc@666 410 buf outHeaders, page, heap, script;
adamc@1065 411 int returning_indirectly;
adamc@759 412 input *inputs, *subinputs, *cur_container;
adamc@1094 413 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 414
adamc@565 415 int source_count;
adamc@562 416
adamc@272 417 void *db;
adamc@272 418
adamc@167 419 jmp_buf jmp_buf;
adamc@167 420
adamc@323 421 regions *regions;
adamc@323 422
adamc@425 423 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 424
adamc@1094 425 const char *script_header;
adamc@643 426
adamc@736 427 int needs_push, needs_sig;
adamc@693 428
adamc@682 429 size_t n_deltas, used_deltas;
adamc@682 430 delta *deltas;
adamc@671 431
adamc@682 432 client *client;
adamc@682 433
adamc@771 434 transactional *transactionals;
adamc@771 435 size_t n_transactionals, used_transactionals;
adamc@771 436
adamc@1061 437 global *globals;
adamc@1061 438 size_t n_globals;
adamc@1061 439
adamc@1066 440 char *current_url;
adamc@1066 441
adamc@1114 442 int deadline;
adamc@1114 443
adamc@1121 444 void *client_data;
adamc@1121 445
adam@1334 446 void *logger_data;
adam@1334 447 uw_logger log_debug;
adam@1334 448
adam@1347 449 int hasPostBody;
adam@1347 450 uw_Basis_postBody postBody;
adam@1347 451
adamc@167 452 char error_message[ERROR_BUF_LEN];
adamc@117 453 };
adamc@117 454
adamc@1113 455 size_t uw_headers_max = SIZE_MAX;
adamc@1113 456 size_t uw_page_max = SIZE_MAX;
adamc@1113 457 size_t uw_heap_max = SIZE_MAX;
adamc@1113 458 size_t uw_script_max = SIZE_MAX;
adamc@1113 459
adam@1334 460 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311 461 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 462
adamc@1094 463 ctx->app = NULL;
adamc@1094 464
adamc@854 465 ctx->get_header = NULL;
adamc@854 466 ctx->get_header_data = NULL;
adamc@457 467
adamc@1113 468 buf_init(uw_headers_max, &ctx->outHeaders, 0);
adamc@1113 469 buf_init(uw_page_max, &ctx->page, 0);
adamc@1065 470 ctx->returning_indirectly = 0;
adam@1332 471 buf_init(uw_heap_max, &ctx->heap, uw_min_heap);
adamc@1113 472 buf_init(uw_script_max, &ctx->script, 1);
adamc@667 473 ctx->script.start[0] = 0;
adamc@136 474
adamc@1094 475 ctx->inputs = malloc(0);
adamc@759 476 ctx->cur_container = NULL;
adamc@756 477 ctx->subinputs = malloc(0);
adamc@1094 478 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 479
adamc@272 480 ctx->db = NULL;
adamc@272 481
adamc@323 482 ctx->regions = NULL;
adamc@323 483
adamc@425 484 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 485
adamc@643 486 ctx->script_header = "";
adamc@693 487 ctx->needs_push = 0;
adamc@736 488 ctx->needs_sig = 0;
adamc@1104 489
adamc@565 490 ctx->source_count = 0;
adamc@562 491
adamc@682 492 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 493 ctx->deltas = malloc(0);
adamc@671 494
adamc@700 495 ctx->client = NULL;
adamc@700 496
adamc@700 497 ctx->error_message[0] = 0;
adamc@700 498
adamc@771 499 ctx->transactionals = malloc(0);
adamc@771 500 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 501
adamc@1061 502 ctx->globals = malloc(0);
adamc@1061 503 ctx->n_globals = 0;
adamc@1061 504
adamc@1066 505 ctx->current_url = "";
adamc@1066 506
adamc@1114 507 ctx->deadline = INT_MAX;
adamc@1114 508
adamc@1121 509 ctx->client_data = uw_init_client_data();
adamc@1121 510
adam@1334 511 ctx->logger_data = logger_data;
adam@1334 512 ctx->log_debug = log_debug;
adam@1334 513
adam@1347 514 ctx->hasPostBody = 0;
adam@1347 515
adamc@117 516 return ctx;
adamc@106 517 }
adamc@106 518
adamc@1113 519 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 520
adamc@1121 521 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 522 return ctx->app;
adamc@1121 523 }
adamc@1121 524
adamc@1113 525 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 526 ctx->app = app;
adamc@1094 527
adamc@1105 528 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 529 if (app->inputs_len > uw_inputs_max)
adamc@1113 530 return 1;
adamc@1113 531
adamc@1094 532 ctx->sz_inputs = app->inputs_len;
adamc@1094 533 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 534 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 535 }
adamc@1134 536
adamc@1134 537 return 0;
adamc@1094 538 }
adamc@1094 539
adamc@1121 540 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 541 uw_copy_client_data(ctx->client_data, data);
adamc@1121 542 }
adamc@1121 543
adamc@311 544 void uw_set_db(uw_context ctx, void *db) {
adamc@272 545 ctx->db = db;
adamc@272 546 }
adamc@272 547
adamc@311 548 void *uw_get_db(uw_context ctx) {
adamc@272 549 return ctx->db;
adamc@272 550 }
adamc@272 551
adamc@311 552 void uw_free(uw_context ctx) {
adamc@671 553 size_t i;
adamc@671 554
adamc@666 555 buf_free(&ctx->outHeaders);
adamc@666 556 buf_free(&ctx->script);
adamc@666 557 buf_free(&ctx->page);
adamc@666 558 buf_free(&ctx->heap);
adamc@144 559 free(ctx->inputs);
adamc@756 560 free(ctx->subinputs);
adamc@425 561 free(ctx->cleanup);
adamc@771 562 free(ctx->transactionals);
adamc@1121 563 uw_free_client_data(ctx->client_data);
adamc@671 564
adamc@682 565 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671 566 buf_free(&ctx->deltas[i].msgs);
marco-oweber@1330 567 free(ctx->deltas);
adamc@671 568
adamc@1061 569 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 570 if (ctx->globals[i].free)
adamc@1089 571 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 572 free(ctx->globals);
adamc@1061 573
adamc@136 574 free(ctx);
adamc@136 575 }
adamc@136 576
adamc@562 577 void uw_reset_keep_error_message(uw_context ctx) {
adamc@666 578 buf_reset(&ctx->outHeaders);
adamc@666 579 buf_reset(&ctx->script);
adamc@667 580 ctx->script.start[0] = 0;
adamc@666 581 buf_reset(&ctx->page);
adamc@1065 582 ctx->returning_indirectly = 0;
adamc@666 583 buf_reset(&ctx->heap);
adamc@323 584 ctx->regions = NULL;
adamc@425 585 ctx->cleanup_front = ctx->cleanup;
adamc@565 586 ctx->source_count = 0;
adamc@682 587 ctx->used_deltas = 0;
adamc@682 588 ctx->client = NULL;
adamc@759 589 ctx->cur_container = NULL;
adamc@771 590 ctx->used_transactionals = 0;
adamc@1117 591 ctx->script_header = "";
adam@1347 592 ctx->hasPostBody = 0;
adamc@167 593 }
adamc@167 594
adamc@562 595 void uw_reset_keep_request(uw_context ctx) {
adamc@562 596 uw_reset_keep_error_message(ctx);
adamc@562 597 ctx->error_message[0] = 0;
adamc@167 598 }
adamc@167 599
adamc@311 600 void uw_reset(uw_context ctx) {
adamc@311 601 uw_reset_keep_request(ctx);
adamc@1105 602 if (ctx->app)
adamc@1105 603 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 604 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 605 ctx->used_subinputs = 0;
adamc@144 606 }
adamc@144 607
adamc@311 608 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 609 int r = setjmp(ctx->jmp_buf);
adamc@272 610
adamc@1105 611 if (r == 0 && ctx->app)
adamc@1094 612 ctx->app->db_init(ctx);
adamc@272 613
adamc@272 614 return r;
adamc@272 615 }
adamc@272 616
adamc@1118 617 void uw_close(uw_context ctx) {
adamc@1118 618 ctx->app->db_close(ctx);
adamc@1118 619 }
adamc@1118 620
adamc@854 621 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 622 ctx->get_header = get_header;
adamc@854 623 ctx->get_header_data = get_header_data;
adamc@742 624 }
adamc@742 625
adamc@801 626 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 627 va_list ap;
adamc@801 628 va_start(ap, fmt);
adamc@801 629
adamc@801 630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 631 }
adamc@801 632
adamc@1131 633 int uw_has_error(uw_context ctx) {
adamc@1131 634 return ctx->error_message[0] != 0;
adamc@1131 635 }
adamc@1131 636
adamc@311 637 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 638 cleanup *cl;
adamc@425 639
adamc@167 640 va_list ap;
adamc@167 641 va_start(ap, fmt);
adamc@167 642
adamc@167 643 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 644
adamc@425 645 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 646 cl->func(cl->arg);
adamc@425 647
adamc@425 648 ctx->cleanup_front = ctx->cleanup;
adamc@425 649
adamc@190 650 longjmp(ctx->jmp_buf, fk);
adamc@167 651 }
adamc@167 652
adamc@1113 653 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 654
adamc@425 655 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 656 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 657 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 658 if (len == 0)
adamc@425 659 newLen = 1;
adamc@425 660 else
adamc@428 661 newLen = len * 2;
adamc@1113 662
adamc@1134 663 if (newLen > uw_cleanup_max) {
adamc@1113 664 if (len+1 <= uw_cleanup_max)
adamc@1113 665 newLen = uw_cleanup_max;
adamc@1113 666 else
adamc@1113 667 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 668 }
adamc@1113 669
adamc@470 670 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 671 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 672 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 673 }
adamc@425 674
adamc@425 675 ctx->cleanup_front->func = func;
adamc@425 676 ctx->cleanup_front->arg = arg;
adamc@425 677 ++ctx->cleanup_front;
adamc@425 678 }
adamc@425 679
adamc@682 680 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 681 return ctx->get_header(ctx->get_header_data, h);
adamc@682 682 }
adamc@682 683
adamc@682 684 void uw_login(uw_context ctx) {
adamc@693 685 if (ctx->needs_push) {
adamc@682 686 char *id_s, *pass_s;
adamc@682 687
adamc@682 688 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 689 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 690 unsigned id = atoi(id_s);
adamc@682 691 int pass = atoi(pass_s);
adamc@682 692 client *c = find_client(id);
adamc@682 693
adamc@682 694 if (c == NULL)
adamc@682 695 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 696 else {
adamc@685 697 use_client(c);
adamc@682 698 ctx->client = c;
adamc@682 699
adamc@682 700 if (c->mode != USED)
adamc@682 701 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 702 if (c->pass != pass)
adamc@682 703 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 704 }
adamc@682 705 } else {
adamc@682 706 client *c = new_client();
adamc@1113 707
adamc@1113 708 if (c == NULL)
adamc@1113 709 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 710
adamc@685 711 use_client(c);
adamc@1121 712 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 713 ctx->client = c;
adamc@864 714 }
adamc@682 715 }
adamc@682 716 }
adamc@682 717
adamc@671 718 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 719 int r = setjmp(ctx->jmp_buf);
adamc@671 720
adamc@671 721 if (r == 0) {
adamc@1094 722 if (ctx->app->db_begin(ctx))
adamc@671 723 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 724
adamc@1094 725 ctx->app->handle(ctx, path);
adamc@671 726 }
adamc@671 727
adamc@671 728 return r;
adamc@671 729 }
adamc@671 730
adam@1294 731 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294 732 int r = setjmp(ctx->jmp_buf);
adam@1294 733
adam@1294 734 if (ctx->app->on_error) {
adam@1294 735 if (r == 0) {
adam@1294 736 if (ctx->app->db_begin(ctx))
adam@1294 737 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294 738
adam@1294 739 ctx->app->on_error(ctx, msg);
adam@1294 740 }
adam@1294 741
adam@1294 742 return r;
adam@1294 743 } else
adam@1294 744 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294 745 }
adam@1294 746
adamc@772 747 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 748 if (ctx->client == NULL)
adamc@682 749 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 750
adamc@682 751 return ctx->client->id;
adamc@682 752 }
adamc@682 753
adamc@425 754 void uw_pop_cleanup(uw_context ctx) {
adamc@425 755 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 756 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 757
adamc@425 758 --ctx->cleanup_front;
adamc@425 759 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 760 }
adamc@425 761
adamc@311 762 char *uw_error_message(uw_context ctx) {
adamc@167 763 return ctx->error_message;
adamc@167 764 }
adamc@167 765
adamc@1115 766 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 767 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 768 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 769 }
adamc@1115 770
adamc@759 771 static input *INP(uw_context ctx) {
adamc@759 772 if (ctx->cur_container == NULL)
adamc@759 773 return ctx->inputs;
adamc@759 774 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 775 return ctx->cur_container->data.subform.fields;
adamc@759 776 else if (ctx->cur_container->kind == ENTRY)
adamc@759 777 return ctx->cur_container->data.entry.fields;
adamc@759 778 else
adamc@760 779 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 780 }
adamc@759 781
adamc@760 782 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 783 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 784 *ptr += new_start - old_start;
adamc@760 785 }
adamc@760 786
adamc@760 787 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 788 switch (x->kind) {
adamc@759 789 case SUBFORM:
adamc@760 790 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 791 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 792 break;
adamc@759 793 case SUBFORMS:
adamc@760 794 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 795 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 796 break;
adamc@759 797 case ENTRY:
adamc@760 798 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 799 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 800 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 801 break;
adamc@1134 802 default:
adamc@1134 803 break;
adamc@759 804 }
adamc@759 805 }
adamc@759 806
adamc@1113 807 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 808
adamc@759 809 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 810 size_t i;
adamc@759 811 input *r;
adamc@759 812
adamc@759 813 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 814 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 815 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 816
adamc@759 817 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 818
adamc@760 819 if (ctx->subinputs != new_subinputs) {
adamc@760 820 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 821 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 822 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 823 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 824
adamc@760 825 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 826
adamc@760 827 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 828 ctx->subinputs = new_subinputs;
adamc@760 829 }
adamc@759 830 }
adamc@759 831
adamc@759 832 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 833
adamc@759 834 for (i = 0; i < len; ++i)
adamc@759 835 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 836
adamc@759 837 return r;
adamc@759 838 }
adamc@756 839
adamc@801 840 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 841 //printf("Input name %s\n", name);
adamc@1038 842
adamc@756 843 if (!strcasecmp(name, ".b")) {
adamc@1094 844 int n = ctx->app->input_num(value);
adamc@756 845 input *inps;
adamc@756 846
adamc@801 847 if (n < 0) {
adamc@801 848 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 849 return -1;
adamc@801 850 }
adamc@801 851
adamc@1094 852 if (n >= ctx->app->inputs_len) {
adamc@801 853 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 854 return -1;
adamc@801 855 }
adamc@756 856
adamc@1094 857 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 858
adamc@759 859 INP(ctx)[n].kind = SUBFORM;
adamc@759 860 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 861 INP(ctx)[n].data.subform.fields = inps;
adamc@759 862 ctx->cur_container = &INP(ctx)[n];
adamc@756 863 } else if (!strcasecmp(name, ".e")) {
adamc@756 864 input *tmp;
adamc@756 865
adamc@801 866 if (ctx->cur_container == NULL) {
adamc@801 867 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 868 return -1;
adamc@801 869 }
adamc@756 870
adamc@759 871 tmp = ctx->cur_container;
adamc@759 872 switch (tmp->kind) {
adamc@759 873 case SUBFORM:
adamc@759 874 ctx->cur_container = tmp->data.subform.parent;
adamc@759 875 tmp->data.subform.parent = NULL;
adamc@759 876 break;
adamc@759 877 case SUBFORMS:
adamc@759 878 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 879 tmp->data.subforms.parent = NULL;
adamc@759 880 break;
adamc@759 881 case ENTRY:
adamc@759 882 ctx->cur_container = tmp->data.entry.parent;
adamc@759 883 break;
adamc@759 884 default:
adamc@801 885 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 886 return -1;
adamc@759 887 }
adamc@759 888 } else if (!strcasecmp(name, ".s")) {
adamc@1094 889 int n = ctx->app->input_num(value);
adamc@759 890
adamc@801 891 if (n < 0) {
adamc@801 892 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 893 return -1;
adamc@801 894 }
adamc@801 895
adamc@1094 896 if (n >= ctx->app->inputs_len) {
adamc@801 897 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 898 return -1;
adamc@801 899 }
adamc@759 900
adamc@759 901 INP(ctx)[n].kind = SUBFORMS;
adamc@759 902 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 903 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 904 ctx->cur_container = &INP(ctx)[n];
adamc@759 905 } else if (!strcasecmp(name, ".i")) {
adamc@759 906 input *inps;
adamc@759 907
adamc@801 908 if (!ctx->cur_container) {
adamc@801 909 uw_set_error(ctx, "New entry without container");
adamc@801 910 return -1;
adamc@801 911 }
adamc@801 912
adamc@801 913 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 914 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 915 return -1;
adamc@801 916 }
adamc@759 917
adamc@1094 918 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 919
adamc@759 920 inps->kind = ENTRY;
adamc@759 921 inps->data.entry.parent = ctx->cur_container;
adamc@759 922 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 923 ctx->cur_container->data.subforms.entries = inps;
adamc@759 924
adamc@759 925 inps->data.entry.fields = inps+1;
adamc@759 926 ctx->cur_container = inps;
adamc@756 927 } else {
adamc@1094 928 int n = ctx->app->input_num(name);
adamc@756 929
adamc@801 930 if (n < 0) {
adamc@1038 931 if (!strcmp(name, "null"))
adamc@1038 932 return 0;
adamc@801 933 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 934 return -1;
adamc@801 935 }
adamc@801 936
adamc@1094 937 if (n >= ctx->app->inputs_len) {
adamc@801 938 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 939 return -1;
adamc@801 940 }
adamc@756 941
adamc@756 942 INP(ctx)[n].kind = NORMAL;
adamc@756 943 INP(ctx)[n].data.normal = value;
adamc@756 944 }
adamc@801 945
adamc@801 946 return 0;
adamc@144 947 }
adamc@144 948
adamc@311 949 char *uw_get_input(uw_context ctx, int n) {
adamc@169 950 if (n < 0)
adamc@311 951 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 952 if (n >= ctx->app->inputs_len)
adamc@311 953 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 954
adamc@756 955 switch (INP(ctx)[n].kind) {
adamc@737 956 case UNSET:
adamc@737 957 return NULL;
adamc@739 958 case FIL:
adamc@739 959 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 960 case SUBFORM:
adamc@756 961 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 962 case SUBFORMS:
adamc@759 963 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 964 case ENTRY:
adamc@759 965 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 966 case NORMAL:
adamc@756 967 return INP(ctx)[n].data.normal;
adamc@737 968 default:
adamc@737 969 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 970 }
adamc@138 971 }
adamc@138 972
adamc@311 973 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 974 if (n < 0)
adamc@311 975 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 976 if (n >= ctx->app->inputs_len)
adamc@311 977 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 978
adamc@756 979 switch (INP(ctx)[n].kind) {
adamc@737 980 case UNSET:
adamc@737 981 return "";
adamc@739 982 case FIL:
adamc@739 983 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 984 case SUBFORM:
adamc@756 985 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 986 case SUBFORMS:
adamc@759 987 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 988 case ENTRY:
adamc@759 989 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 990 case NORMAL:
adamc@756 991 return INP(ctx)[n].data.normal;
adamc@737 992 default:
adamc@737 993 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 994 }
adamc@737 995 }
adamc@737 996
adamc@801 997 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 998 int n = ctx->app->input_num(name);
adamc@737 999
adamc@801 1000 if (n < 0) {
adamc@801 1001 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 1002 return -1;
adamc@801 1003 }
adamc@801 1004
adamc@1094 1005 if (n >= ctx->app->inputs_len) {
adamc@801 1006 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 1007 return -1;
adamc@801 1008 }
adamc@737 1009
adamc@739 1010 ctx->inputs[n].kind = FIL;
adamc@739 1011 ctx->inputs[n].data.file = f;
adamc@801 1012
adamc@801 1013 return 0;
adamc@737 1014 }
adamc@737 1015
adamc@739 1016 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1017
adamc@739 1018 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1019 if (n < 0)
adamc@737 1020 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1021 if (n >= ctx->app->inputs_len)
adamc@737 1022 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1023
adamc@756 1024 switch (INP(ctx)[n].kind) {
adamc@737 1025 case UNSET:
adamc@737 1026 {
adamc@739 1027 char *data = uw_malloc(ctx, 0);
adamc@740 1028 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1029 return f;
adamc@737 1030 }
adamc@739 1031 case FIL:
adamc@756 1032 return INP(ctx)[n].data.file;
adamc@737 1033 case NORMAL:
adamc@737 1034 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1035 case SUBFORM:
adamc@756 1036 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1037 case SUBFORMS:
adamc@759 1038 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1039 case ENTRY:
adamc@759 1040 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1041 default:
adamc@737 1042 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1043 }
adamc@190 1044 }
adamc@190 1045
adamc@756 1046 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1047 if (n < 0)
adamc@756 1048 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1049 if (n >= ctx->app->inputs_len)
adamc@756 1050 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1051
adamc@756 1052 switch (INP(ctx)[n].kind) {
adamc@756 1053 case UNSET:
adamc@756 1054 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1055 case FIL:
adamc@756 1056 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1057 case NORMAL:
adamc@756 1058 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1059 case SUBFORMS:
adamc@759 1060 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1061 case ENTRY:
adamc@759 1062 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1063 case SUBFORM:
adamc@759 1064 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1065 ctx->cur_container = &INP(ctx)[n];
adamc@756 1066 return;
adamc@756 1067 default:
adamc@756 1068 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1069 }
adamc@756 1070 }
adamc@756 1071
adamc@756 1072 void uw_leave_subform(uw_context ctx) {
adamc@756 1073 input *tmp;
adamc@756 1074
adamc@759 1075 if (ctx->cur_container == NULL)
adamc@756 1076 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1077
adamc@759 1078 tmp = ctx->cur_container;
adamc@759 1079 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1080 tmp->data.subform.parent = NULL;
adamc@759 1081 }
adamc@759 1082
adamc@759 1083 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1084 input *inps;
adamc@759 1085
adamc@759 1086 if (n < 0)
adamc@759 1087 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1088 if (n >= ctx->app->inputs_len)
adamc@759 1089 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1090
adamc@759 1091 switch (INP(ctx)[n].kind) {
adamc@759 1092 case UNSET:
adamc@759 1093 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1094 case FIL:
adamc@759 1095 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1096 case NORMAL:
adamc@759 1097 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1098 case SUBFORM:
adamc@759 1099 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1100 case ENTRY:
adamc@759 1101 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1102 case SUBFORMS:
adamc@759 1103 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1104 if (inps) {
adamc@759 1105 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1106 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1107 return 1;
adamc@759 1108 } else
adamc@759 1109 return 0;
adamc@759 1110 default:
adamc@759 1111 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1112 }
adamc@759 1113 }
adamc@759 1114
adamc@759 1115 int uw_next_entry(uw_context ctx) {
adamc@759 1116 if (ctx->cur_container == NULL)
adamc@759 1117 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1118
adamc@759 1119 switch (ctx->cur_container->kind) {
adamc@759 1120 case UNSET:
adamc@759 1121 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1122 case FIL:
adamc@759 1123 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1124 case NORMAL:
adamc@759 1125 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1126 case SUBFORM:
adamc@759 1127 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1128 case SUBFORMS:
adamc@759 1129 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1130 case ENTRY:
adamc@759 1131 if (ctx->cur_container->data.entry.next) {
adamc@759 1132 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1133 return 1;
adamc@759 1134 } else {
adamc@759 1135 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1136 return 0;
adamc@759 1137 }
adamc@759 1138 default:
adamc@759 1139 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1140 }
adamc@756 1141 }
adamc@756 1142
adamc@643 1143 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1144 ctx->script_header = s;
adamc@643 1145 }
adamc@643 1146
adamc@1094 1147 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1148 return ctx->app->url_prefix;
adamc@667 1149 }
adamc@667 1150
adamc@693 1151 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1152 ctx->needs_push = n;
adamc@693 1153 }
adamc@693 1154
adamc@736 1155 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1156 ctx->needs_sig = n;
adamc@736 1157 }
adamc@736 1158
adamc@667 1159
adamc@1113 1160 static void buf_check_ctx(uw_context ctx, const char *kind, buf *b, size_t extra, const char *desc) {
adamc@666 1161 if (b->back - b->front < extra) {
adamc@666 1162 size_t desired = b->front - b->start + extra, next;
adamc@136 1163 char *new_heap;
adamc@136 1164
adamc@666 1165 next = b->back - b->start;
adamc@317 1166 if (next == 0)
adamc@317 1167 next = 1;
adamc@317 1168 for (; next < desired; next *= 2);
adamc@136 1169
adamc@1134 1170 if (next > b->max) {
adamc@1113 1171 if (desired <= b->max)
adamc@1113 1172 next = desired;
adamc@1113 1173 else
adamc@1113 1174 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1175 }
adamc@1113 1176
adamc@666 1177 new_heap = realloc(b->start, next);
adamc@666 1178 b->front = new_heap + (b->front - b->start);
adamc@666 1179 b->back = new_heap + next;
adamc@136 1180
adamc@667 1181 if (new_heap != b->start) {
adamc@666 1182 b->start = new_heap;
adamc@666 1183 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1184 }
adamc@136 1185
adamc@666 1186 b->start = new_heap;
adamc@136 1187 }
adamc@136 1188 }
adamc@136 1189
adamc@832 1190 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@1113 1191 buf_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1192 }
adamc@666 1193
adamc@832 1194 char *uw_heap_front(uw_context ctx) {
adamc@832 1195 return ctx->heap.front;
adamc@832 1196 }
adamc@832 1197
adamc@832 1198 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1199 ctx->heap.front = fr;
adamc@832 1200 }
adamc@832 1201
adamc@311 1202 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1203 void *result;
adamc@136 1204
adamc@311 1205 uw_check_heap(ctx, len);
adamc@136 1206
adamc@666 1207 result = ctx->heap.front;
adamc@666 1208 ctx->heap.front += len;
adamc@136 1209 return result;
adamc@117 1210 }
adamc@117 1211
adamc@323 1212 void uw_begin_region(uw_context ctx) {
adamc@666 1213 regions *r = (regions *) ctx->heap.front;
adamc@323 1214
adamc@323 1215 uw_check_heap(ctx, sizeof(regions));
adamc@323 1216
adamc@666 1217 ctx->heap.front += sizeof(regions);
adamc@323 1218
adamc@323 1219 r->next = ctx->regions;
adamc@323 1220 ctx->regions = r;
adamc@323 1221 }
adamc@323 1222
adamc@323 1223 void uw_end_region(uw_context ctx) {
adamc@323 1224 regions *r = ctx->regions;
adamc@323 1225
adamc@323 1226 if (r == NULL)
adamc@323 1227 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1228
adamc@666 1229 ctx->heap.front = (char *) r;
adamc@323 1230 ctx->regions = r->next;
adamc@323 1231 }
adamc@323 1232
adamc@324 1233 void uw_memstats(uw_context ctx) {
adamc@1134 1234 printf("Headers: %lu/%lu\n", (unsigned long)buf_used(&ctx->outHeaders), (unsigned long)buf_avail(&ctx->outHeaders));
adamc@1134 1235 printf("Script: %lu/%lu\n", (unsigned long)buf_used(&ctx->script), (unsigned long)buf_avail(&ctx->script));
adamc@1134 1236 printf("Page: %lu/%lu\n", (unsigned long)buf_used(&ctx->page), (unsigned long)buf_avail(&ctx->page));
adamc@1134 1237 printf("Heap: %lu/%lu\n", (unsigned long)buf_used(&ctx->heap), (unsigned long)buf_avail(&ctx->heap));
adamc@324 1238 }
adamc@324 1239
adamc@311 1240 int uw_send(uw_context ctx, int sock) {
adamc@666 1241 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1242
adamc@462 1243 if (n < 0)
adamc@462 1244 return n;
adamc@462 1245
adamc@462 1246 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1247
adamc@462 1248 if (n < 0)
adamc@462 1249 return n;
adamc@462 1250
adamc@666 1251 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1252 }
adamc@462 1253
adamc@856 1254 int uw_print(uw_context ctx, int fd) {
adamc@856 1255 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1256
adamc@856 1257 if (n < 0)
adamc@856 1258 return n;
adamc@856 1259
adamc@856 1260 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1261
adamc@856 1262 if (n < 0)
adamc@856 1263 return n;
adamc@856 1264
adamc@856 1265 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1266 }
adamc@856 1267
adamc@860 1268 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1269 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1270
adamc@860 1271 if (n < 0)
adamc@860 1272 return n;
adamc@860 1273
adamc@860 1274 n = output(data, "\r\n", 2);
adamc@860 1275
adamc@860 1276 if (n < 0)
adamc@860 1277 return n;
adamc@860 1278
adamc@860 1279 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1280 }
adamc@860 1281
adamc@462 1282 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@1113 1283 ctx_buf_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1284 }
adamc@462 1285
adamc@462 1286 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1287 int len = strlen(s);
adamc@462 1288
adamc@462 1289 uw_check_headers(ctx, len + 1);
adamc@666 1290 strcpy(ctx->outHeaders.front, s);
adamc@666 1291 ctx->outHeaders.front += len;
adamc@562 1292 }
adamc@562 1293
adamc@1110 1294 void uw_clear_headers(uw_context ctx) {
adamc@1110 1295 buf_reset(&ctx->outHeaders);
adamc@1110 1296 }
adamc@1110 1297
adamc@562 1298 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@1113 1299 ctx_buf_check(ctx, "script", &ctx->script, extra);
adamc@562 1300 }
adamc@562 1301
adamc@562 1302 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1303 int len = strlen(s);
adamc@562 1304
adamc@562 1305 uw_check_script(ctx, len + 1);
adamc@666 1306 strcpy(ctx->script.front, s);
adamc@666 1307 ctx->script.front += len;
adamc@562 1308 }
adamc@562 1309
adamc@645 1310 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1311 return "<sc>";
adamc@565 1312 }
adamc@565 1313
adamc@695 1314 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1315 if (s[0] == 0)
adamc@695 1316 return "";
adamc@695 1317 else {
adamc@695 1318 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1319 sprintf(r, " onload='%s'", s);
adamc@695 1320 return r;
adamc@695 1321 }
adamc@695 1322 }
adamc@695 1323
adamc@1042 1324 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1325 if (ctx->script_header[0] == 0)
adamc@1042 1326 return "";
adamc@1042 1327 else {
adamc@1042 1328 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1329 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1330 return r;
adamc@1042 1331 }
adamc@1042 1332 }
adamc@1042 1333
adamc@694 1334 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1335 if (ctx->client == NULL) {
adamc@736 1336 if (ctx->needs_sig) {
adamc@1094 1337 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1338 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1339 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1340 return r;
adamc@736 1341 }
adamc@736 1342 else
adamc@736 1343 return "";
adamc@736 1344 } else {
adamc@1094 1345 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1346 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1347 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1348 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1349 ctx->client->id,
adamc@682 1350 ctx->client->pass,
adamc@1094 1351 ctx->app->url_prefix,
adamc@1094 1352 ctx->app->timeout,
adamc@736 1353 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1354 sig,
adamc@736 1355 ctx->needs_sig ? "\";" : "");
adamc@679 1356 return r;
adamc@668 1357 }
adamc@667 1358 }
adamc@667 1359
adamc@574 1360 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1361 char *r, *s2;
adamc@574 1362
adamc@574 1363 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1364
adamc@666 1365 r = s2 = ctx->heap.front;
adamc@574 1366 *s2++ = '"';
adamc@574 1367
adamc@574 1368 for (; *s; s++) {
adam@1286 1369 unsigned char c = *s;
adamc@574 1370
adamc@574 1371 switch (c) {
adamc@574 1372 case '"':
adamc@574 1373 strcpy(s2, "\\\"");
adamc@574 1374 s2 += 2;
adamc@574 1375 break;
adamc@1027 1376 case '\'':
adamc@1027 1377 strcpy(s2, "\\047");
adamc@1027 1378 s2 += 4;
adamc@1027 1379 break;
adamc@574 1380 case '\\':
adamc@574 1381 strcpy(s2, "\\\\");
adamc@574 1382 s2 += 2;
adamc@574 1383 break;
adamc@574 1384 default:
adam@1286 1385 if (isprint((int)c) || c >= 128)
adamc@574 1386 *s2++ = c;
adamc@574 1387 else {
adamc@574 1388 sprintf(s2, "\\%3o", c);
adamc@574 1389 s2 += 4;
adamc@574 1390 }
adamc@574 1391 }
adamc@574 1392 }
adamc@574 1393
adamc@574 1394 strcpy(s2, "\"");
adamc@910 1395 ctx->heap.front = s2 + 2;
adamc@574 1396 return r;
adamc@574 1397 }
adamc@574 1398
adam@1286 1399 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1400 unsigned char c = c1;
adamc@1025 1401 char *r, *s2;
adamc@1025 1402
adamc@1025 1403 uw_check_heap(ctx, 6);
adamc@1025 1404
adamc@1025 1405 r = s2 = ctx->heap.front;
adamc@1025 1406 *s2++ = '"';
adamc@1025 1407
adamc@1025 1408 switch (c) {
adamc@1025 1409 case '"':
adamc@1025 1410 strcpy(s2, "\\\"");
adamc@1025 1411 s2 += 2;
adamc@1025 1412 break;
adamc@1027 1413 case '\'':
adamc@1027 1414 strcpy(s2, "\\047");
adamc@1027 1415 s2 += 4;
adamc@1027 1416 break;
adamc@1025 1417 case '\\':
adamc@1025 1418 strcpy(s2, "\\\\");
adamc@1025 1419 s2 += 2;
adamc@1025 1420 break;
adamc@1025 1421 default:
adam@1286 1422 if (isprint((int)c) || c >= 128)
adamc@1025 1423 *s2++ = c;
adamc@1025 1424 else {
adam@1286 1425 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025 1426 s2 += 4;
adamc@1025 1427 }
adamc@1025 1428 }
adamc@1025 1429
adamc@1025 1430 strcpy(s2, "\"");
adamc@1025 1431 ctx->heap.front = s2 + 2;
adamc@1025 1432 return r;
adamc@1025 1433 }
adamc@1025 1434
adamc@574 1435 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1436 char *r, *s2;
adamc@574 1437
adamc@574 1438 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1439
adamc@666 1440 r = s2 = ctx->script.front;
adamc@574 1441 *s2++ = '"';
adamc@574 1442
adamc@574 1443 for (; *s; s++) {
adam@1286 1444 unsigned char c = *s;
adamc@574 1445
adamc@574 1446 switch (c) {
adamc@577 1447 case '\'':
adamc@1027 1448 strcpy(s2, "\\");
adamc@574 1449 s2 += 2;
adamc@574 1450 break;
adamc@574 1451 case '\\':
adamc@574 1452 strcpy(s2, "\\\\");
adamc@574 1453 s2 += 2;
adamc@574 1454 break;
adamc@574 1455 default:
adam@1286 1456 if (isprint((int)c) || c >= 128)
adamc@574 1457 *s2++ = c;
adamc@574 1458 else {
adamc@574 1459 sprintf(s2, "\\%3o", c);
adamc@574 1460 s2 += 4;
adamc@574 1461 }
adamc@574 1462 }
adamc@574 1463 }
adamc@574 1464
adamc@574 1465 strcpy(s2, "\"");
adamc@666 1466 ctx->script.front = s2 + 1;
adamc@574 1467 return r;
adamc@574 1468 }
adamc@574 1469
adamc@682 1470 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1471 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1472 return "null";
adamc@682 1473 else {
adamc@682 1474 int len;
adamc@682 1475 char *r;
adamc@682 1476
adamc@682 1477 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1478 r = ctx->heap.front;
adamc@682 1479 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1480 ctx->heap.front += len+1;
adamc@682 1481 return r;
adamc@682 1482 }
adamc@682 1483 }
adamc@682 1484
adamc@577 1485 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1486 int len;
adamc@577 1487 size_t s_len = strlen(s);
adamc@562 1488
adamc@970 1489 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1490 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1491 ctx->script.front += len;
adamc@666 1492 strcpy(ctx->script.front, s);
adamc@666 1493 ctx->script.front += s_len;
adamc@970 1494 strcpy(ctx->script.front, "));");
adamc@972 1495 ctx->script.front += 3;
adamc@562 1496
adamc@565 1497 return ctx->source_count++;
adamc@117 1498 }
adamc@117 1499
adamc@577 1500 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1501 int len;
adamc@577 1502 size_t s_len = strlen(s);
adamc@577 1503
adamc@970 1504 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1505 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1506 ctx->script.front += len;
adamc@666 1507 strcpy(ctx->script.front, s);
adamc@666 1508 ctx->script.front += s_len;
adamc@970 1509 strcpy(ctx->script.front, "));");
adamc@972 1510 ctx->script.front += 3;
adamc@577 1511
adamc@577 1512 return uw_unit_v;
adamc@577 1513 }
adamc@577 1514
adamc@311 1515 static void uw_check(uw_context ctx, size_t extra) {
adamc@1113 1516 ctx_buf_check(ctx, "page", &ctx->page, extra);
adamc@117 1517 }
adamc@117 1518
adamc@311 1519 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1520 *(ctx->page.front)++ = c;
adamc@117 1521 }
adamc@117 1522
adamc@311 1523 void uw_writec(uw_context ctx, char c) {
adamc@311 1524 uw_check(ctx, 1);
adamc@311 1525 uw_writec_unsafe(ctx, c);
adamc@117 1526 }
adamc@117 1527
adamc@311 1528 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1529 int len = strlen(s);
adamc@666 1530 memcpy(ctx->page.front, s, len);
adamc@666 1531 ctx->page.front += len;
adamc@117 1532 }
adamc@117 1533
adamc@311 1534 void uw_write(uw_context ctx, const char* s) {
adamc@311 1535 uw_check(ctx, strlen(s) + 1);
adamc@311 1536 uw_write_unsafe(ctx, s);
adamc@666 1537 *ctx->page.front = 0;
adamc@102 1538 }
adamc@106 1539
adamc@311 1540 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1541 char *result;
adamc@136 1542 int len;
adamc@311 1543 uw_check_heap(ctx, INTS_MAX);
adamc@666 1544 result = ctx->heap.front;
adamc@276 1545 sprintf(result, "%lld%n", n, &len);
adamc@666 1546 ctx->heap.front += len+1;
adamc@136 1547 return result;
adamc@106 1548 }
adamc@106 1549
adamc@311 1550 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1551 char *result;
adamc@136 1552 int len;
adamc@311 1553 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1554 result = ctx->heap.front;
adamc@136 1555 sprintf(result, "%g%n", n, &len);
adamc@666 1556 ctx->heap.front += len+1;
adamc@136 1557 return result;
adamc@106 1558 }
adamc@106 1559
adamc@311 1560 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1561 int len = strlen(s);
adamc@136 1562 char *result, *p;
adamc@311 1563 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1564
adamc@666 1565 result = p = ctx->heap.front;
adamc@136 1566
adamc@136 1567 for (; *s; s++) {
adamc@1054 1568 unsigned char c = *s;
adamc@136 1569
adamc@136 1570 if (c == '"') {
adamc@136 1571 strcpy(p, "&quot;");
adamc@136 1572 p += 6;
adamc@136 1573 } else if (c == '&') {
adamc@136 1574 strcpy(p, "&amp;");
adamc@136 1575 p += 5;
adamc@136 1576 }
adamc@1059 1577 else
adamc@136 1578 *p++ = c;
adamc@136 1579 }
adamc@136 1580
adamc@137 1581 *p++ = 0;
adamc@666 1582 ctx->heap.front = p;
adamc@136 1583 return result;
adamc@106 1584 }
adamc@106 1585
adamc@1011 1586 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1587 char *result, *p;
adamc@1011 1588 uw_check_heap(ctx, 7);
adamc@1011 1589
adamc@1011 1590 result = p = ctx->heap.front;
adamc@1011 1591
adamc@1011 1592 if (c == '"') {
adamc@1011 1593 strcpy(p, "&quot;");
adamc@1011 1594 p += 6;
adamc@1011 1595 } else if (c == '&') {
adamc@1011 1596 strcpy(p, "&amp;");
adamc@1011 1597 p += 5;
adamc@1011 1598 }
adamc@1059 1599 else
adamc@1011 1600 *p++ = c;
adamc@1011 1601
adamc@1011 1602 *p++ = 0;
adamc@1011 1603 ctx->heap.front = p;
adamc@1011 1604 return result;
adamc@1011 1605 }
adamc@1011 1606
adamc@721 1607 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1608 return s;
adamc@721 1609 }
adamc@721 1610
adamc@311 1611 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1612 int len;
adamc@117 1613
adamc@666 1614 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1615 ctx->page.front += len;
adamc@106 1616 }
adamc@106 1617
adamc@428 1618 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1619 uw_check(ctx, INTS_MAX);
adamc@311 1620 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1621
adamc@428 1622 return uw_unit_v;
adamc@106 1623 }
adamc@106 1624
adamc@428 1625 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1626 int len;
adamc@117 1627
adamc@311 1628 uw_check(ctx, FLOATS_MAX);
adamc@666 1629 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1630 ctx->page.front += len;
adamc@428 1631
adamc@428 1632 return uw_unit_v;
adamc@117 1633 }
adamc@117 1634
adamc@428 1635 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1636 uw_check(ctx, strlen(s) * 6);
adamc@117 1637
adamc@106 1638 for (; *s; s++) {
adamc@1054 1639 unsigned char c = *s;
adamc@106 1640
adamc@106 1641 if (c == '"')
adamc@311 1642 uw_write_unsafe(ctx, "&quot;");
adamc@136 1643 else if (c == '&')
adamc@311 1644 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1645 else
adamc@311 1646 uw_writec_unsafe(ctx, c);
adamc@106 1647 }
adamc@428 1648
adamc@428 1649 return uw_unit_v;
adamc@106 1650 }
adamc@120 1651
adamc@1011 1652 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1653 uw_check(ctx, 6);
adamc@1011 1654
adamc@1011 1655 if (c == '"')
adamc@1011 1656 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1657 else if (c == '&')
adamc@1011 1658 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1659 else
adamc@1011 1660 uw_writec_unsafe(ctx, c);
adamc@1011 1661
adamc@1011 1662 return uw_unit_v;
adamc@1011 1663 }
adamc@1011 1664
adamc@120 1665
adamc@311 1666 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1667 int len;
adamc@137 1668 char *r;
adamc@137 1669
adamc@311 1670 uw_check_heap(ctx, INTS_MAX);
adamc@666 1671 r = ctx->heap.front;
adamc@276 1672 sprintf(r, "%lld%n", n, &len);
adamc@666 1673 ctx->heap.front += len+1;
adamc@137 1674 return r;
adamc@120 1675 }
adamc@120 1676
adamc@682 1677 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1678 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1679 return "";
adamc@682 1680 else {
adamc@682 1681 int len;
adamc@682 1682 char *r;
adamc@679 1683
adamc@682 1684 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1685 r = ctx->heap.front;
adamc@682 1686 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1687 ctx->heap.front += len+1;
adamc@682 1688 return r;
adamc@682 1689 }
adamc@679 1690 }
adamc@679 1691
adamc@311 1692 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1693 int len;
adamc@137 1694 char *r;
adamc@137 1695
adamc@311 1696 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1697 r = ctx->heap.front;
adamc@137 1698 sprintf(r, "%g%n", n, &len);
adamc@666 1699 ctx->heap.front += len+1;
adamc@137 1700 return r;
adamc@120 1701 }
adamc@120 1702
adamc@311 1703 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1704 char *r, *p;
adamc@137 1705
adamc@925 1706 if (s[0] == '\0')
adamc@925 1707 return "_";
adamc@925 1708
adamc@925 1709 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1710
adamc@925 1711 r = p = ctx->heap.front;
adamc@925 1712 if (s[0] == '_')
adamc@925 1713 *p++ = '_';
adamc@925 1714
adamc@925 1715 for (; *s; s++) {
adamc@1087 1716 unsigned char c = *s;
adamc@137 1717
adamc@137 1718 if (c == ' ')
adamc@137 1719 *p++ = '+';
adamc@137 1720 else if (isalnum(c))
adamc@137 1721 *p++ = c;
adamc@137 1722 else {
adamc@1259 1723 sprintf(p, ".%02X", c);
adamc@137 1724 p += 3;
adamc@137 1725 }
adamc@137 1726 }
adamc@137 1727
adamc@137 1728 *p++ = 0;
adamc@666 1729 ctx->heap.front = p;
adamc@137 1730 return r;
adamc@120 1731 }
adamc@120 1732
adamc@311 1733 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1734 if (b == uw_Basis_False)
adamc@186 1735 return "0";
adamc@186 1736 else
adamc@186 1737 return "1";
adamc@186 1738 }
adamc@186 1739
adamc@311 1740 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1741 int len;
adamc@120 1742
adamc@666 1743 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1744 ctx->page.front += len;
adamc@120 1745 }
adamc@120 1746
adamc@428 1747 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1748 uw_check(ctx, INTS_MAX);
adamc@311 1749 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1750
adamc@428 1751 return uw_unit_v;
adamc@120 1752 }
adamc@120 1753
adamc@682 1754 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1755 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1756 int len;
adamc@682 1757
adamc@682 1758 uw_check(ctx, INTS_MAX + 1);
adamc@682 1759 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1760 ctx->page.front += len;
adamc@682 1761 }
adamc@682 1762
adamc@679 1763 return uw_unit_v;
adamc@679 1764 }
adamc@679 1765
adamc@428 1766 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1767 int len;
adamc@120 1768
adamc@311 1769 uw_check(ctx, FLOATS_MAX);
adamc@666 1770 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1771 ctx->page.front += len;
adamc@428 1772
adamc@428 1773 return uw_unit_v;
adamc@120 1774 }
adamc@120 1775
adamc@488 1776 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1777 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1778 }
adamc@488 1779
adamc@428 1780 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1781 if (s[0] == '\0') {
adamc@925 1782 uw_check(ctx, 1);
adamc@925 1783 uw_writec_unsafe(ctx, '_');
adamc@925 1784 return uw_unit_v;
adamc@925 1785 }
adamc@925 1786
adamc@925 1787 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1788
adamc@925 1789 if (s[0] == '_')
adamc@925 1790 uw_writec_unsafe(ctx, '_');
adamc@120 1791
adamc@120 1792 for (; *s; s++) {
adamc@1087 1793 unsigned char c = *s;
adamc@120 1794
adamc@120 1795 if (c == ' ')
adamc@311 1796 uw_writec_unsafe(ctx, '+');
adamc@120 1797 else if (isalnum(c))
adamc@311 1798 uw_writec_unsafe(ctx, c);
adamc@120 1799 else {
adamc@1259 1800 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1801 ctx->page.front += 3;
adamc@120 1802 }
adamc@120 1803 }
adamc@428 1804
adamc@428 1805 return uw_unit_v;
adamc@120 1806 }
adamc@120 1807
adamc@428 1808 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1809 if (b == uw_Basis_False)
adamc@311 1810 uw_writec(ctx, '0');
adamc@186 1811 else
adamc@311 1812 uw_writec(ctx, '1');
adamc@428 1813
adamc@428 1814 return uw_unit_v;
adamc@186 1815 }
adamc@186 1816
adamc@120 1817
adamc@311 1818 static char *uw_unurlify_advance(char *s) {
adamc@144 1819 char *new_s = strchr(s, '/');
adamc@120 1820
adamc@120 1821 if (new_s)
adamc@120 1822 *new_s++ = 0;
adamc@120 1823 else
adamc@144 1824 new_s = strchr(s, 0);
adamc@144 1825
adamc@144 1826 return new_s;
adamc@144 1827 }
adamc@144 1828
adamc@311 1829 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1830 char *new_s = uw_unurlify_advance(*s);
adamc@311 1831 uw_Basis_int r;
adamc@120 1832
adamc@276 1833 r = atoll(*s);
adamc@120 1834 *s = new_s;
adamc@120 1835 return r;
adamc@120 1836 }
adamc@120 1837
adamc@311 1838 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1839 char *new_s = uw_unurlify_advance(*s);
adamc@311 1840 uw_Basis_float r;
adamc@120 1841
adamc@120 1842 r = atof(*s);
adamc@120 1843 *s = new_s;
adamc@120 1844 return r;
adamc@120 1845 }
adamc@120 1846
adamc@488 1847 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1848 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1849 }
adamc@488 1850
adamc@1023 1851 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1852 char *s1, *s2 = s;
adamc@144 1853 int n;
adamc@136 1854
adamc@1023 1855 if (!fromClient) {
adamc@1023 1856 if (*s2 == '_')
adamc@1023 1857 ++s2;
adamc@1259 1858 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1859 s2 += 3;
adamc@1023 1860 }
adamc@925 1861
adamc@927 1862 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1863 unsigned char c = *s2;
adamc@136 1864
adamc@136 1865 switch (c) {
adamc@136 1866 case '+':
adamc@136 1867 *s1 = ' ';
adamc@136 1868 break;
adamc@136 1869 case '%':
adamc@169 1870 if (s2[1] == 0)
adamc@311 1871 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1872 if (s2[2] == 0)
adamc@311 1873 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1874 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1875 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1876 *s1 = n;
adamc@136 1877 s2 += 2;
adamc@136 1878 break;
adamc@1259 1879 case '.':
adamc@1259 1880 if (!fromClient) {
adamc@1259 1881 if (s2[1] == 0)
adamc@1259 1882 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1883 if (s2[2] == 0)
adamc@1259 1884 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1885 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1886 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1887 *s1 = n;
adamc@1259 1888 s2 += 2;
adamc@1259 1889 break;
adamc@1259 1890 }
adamc@136 1891 default:
adamc@136 1892 *s1 = c;
adamc@136 1893 }
adamc@136 1894 }
adamc@136 1895 *s1++ = 0;
adamc@144 1896 return s1;
adamc@144 1897 }
adamc@144 1898
adamc@311 1899 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1900 char *new_s = uw_unurlify_advance(*s);
adamc@311 1901 uw_Basis_bool r;
adamc@186 1902
adamc@186 1903 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1904 r = uw_Basis_False;
adamc@186 1905 else
adamc@311 1906 r = uw_Basis_True;
adamc@186 1907
adamc@186 1908 *s = new_s;
adamc@186 1909 return r;
adamc@186 1910 }
adamc@186 1911
adamc@311 1912 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1913 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1914 char *r;
adamc@1134 1915 int len;
adamc@144 1916
adamc@200 1917 len = strlen(*s);
adamc@311 1918 uw_check_heap(ctx, len + 1);
adamc@144 1919
adamc@666 1920 r = ctx->heap.front;
adamc@1023 1921 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1922 *s = new_s;
adamc@1023 1923 return r;
adamc@1023 1924 }
adamc@1023 1925
adamc@1109 1926 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1927 *s = uw_unurlify_advance(*s);
adamc@1109 1928 return uw_unit_v;
adamc@1109 1929 }
adamc@1109 1930
adamc@1023 1931 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1932 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1933 char *r;
adamc@1134 1934 int len;
adamc@1023 1935
adamc@1023 1936 len = strlen(*s);
adamc@1023 1937 uw_check_heap(ctx, len + 1);
adamc@1023 1938
adamc@1023 1939 r = ctx->heap.front;
adamc@1023 1940 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1941 *s = new_s;
adamc@136 1942 return r;
adamc@120 1943 }
adamc@135 1944
adamc@135 1945
adamc@311 1946 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1947 int len;
adamc@286 1948 char *r;
adamc@286 1949
adamc@311 1950 uw_check_heap(ctx, INTS_MAX);
adamc@666 1951 r = ctx->heap.front;
adamc@286 1952 sprintf(r, "%lld%n", n, &len);
adamc@666 1953 ctx->heap.front += len+1;
adamc@286 1954 return r;
adamc@286 1955 }
adamc@286 1956
adamc@428 1957 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1958 int len;
adamc@286 1959
adamc@311 1960 uw_check(ctx, INTS_MAX);
adamc@666 1961 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1962 ctx->page.front += len;
adamc@428 1963
adamc@428 1964 return uw_unit_v;
adamc@286 1965 }
adamc@286 1966
adam@1358 1967 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1968 unsigned int n = ch;
adam@1358 1969 int len;
adam@1358 1970 char *r;
adam@1358 1971
adam@1358 1972 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1973 r = ctx->heap.front;
adam@1358 1974 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1975 ctx->heap.front += len+1;
adam@1358 1976 return r;
adam@1358 1977 }
adam@1358 1978
adam@1358 1979 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1980 unsigned int n = ch;
adam@1358 1981 int len;
adam@1358 1982
adam@1358 1983 uw_check(ctx, INTS_MAX+3);
adam@1358 1984 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1985 ctx->page.front += len;
adam@1358 1986 return uw_unit_v;
adam@1358 1987 }
adam@1358 1988
adamc@311 1989 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1990 int len;
adamc@286 1991 char *r;
adamc@286 1992
adamc@311 1993 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1994 r = ctx->heap.front;
adamc@286 1995 sprintf(r, "%g%n", n, &len);
adamc@666 1996 ctx->heap.front += len+1;
adamc@286 1997 return r;
adamc@286 1998 }
adamc@286 1999
adamc@428 2000 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2001 int len;
adamc@286 2002
adamc@311 2003 uw_check(ctx, FLOATS_MAX);
adamc@666 2004 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2005 ctx->page.front += len;
adamc@428 2006
adamc@428 2007 return uw_unit_v;
adamc@286 2008 }
adamc@286 2009
adam@1360 2010 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time n) {
adam@1360 2011 int len;
adam@1360 2012 char *r;
adam@1360 2013
adam@1360 2014 uw_check_heap(ctx, INTS_MAX);
adam@1360 2015 r = ctx->heap.front;
adam@1360 2016 sprintf(r, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2017 ctx->heap.front += len+1;
adam@1360 2018 return r;
adam@1360 2019 }
adam@1360 2020
adam@1360 2021 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_time n) {
adam@1360 2022 int len;
adam@1360 2023
adam@1360 2024 uw_check(ctx, INTS_MAX);
adam@1360 2025 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2026 ctx->page.front += len;
adam@1360 2027
adam@1360 2028 return uw_unit_v;
adam@1360 2029 }
adam@1360 2030
adamc@311 2031 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 2032 char *r, *s2;
adamc@137 2033
adamc@311 2034 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2035
adamc@666 2036 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2037 unsigned char c = *s;
adamc@137 2038
adamc@137 2039 switch (c) {
adamc@137 2040 case '<':
adamc@137 2041 strcpy(s2, "&lt;");
adamc@137 2042 s2 += 4;
adamc@137 2043 break;
adamc@137 2044 case '&':
adamc@137 2045 strcpy(s2, "&amp;");
adamc@137 2046 s2 += 5;
adamc@137 2047 break;
adamc@137 2048 default:
adamc@1059 2049 *s2++ = c;
adamc@137 2050 }
adamc@137 2051 }
adamc@137 2052
adamc@137 2053 *s2++ = 0;
adamc@666 2054 ctx->heap.front = s2;
adamc@137 2055 return r;
adamc@135 2056 }
adamc@135 2057
adamc@428 2058 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2059 uw_check(ctx, strlen(s) * 6);
adamc@135 2060
adamc@135 2061 for (; *s; s++) {
adamc@1054 2062 unsigned char c = *s;
adamc@135 2063
adamc@135 2064 switch (c) {
adamc@135 2065 case '<':
adamc@311 2066 uw_write_unsafe(ctx, "&lt;");
adamc@135 2067 break;
adamc@135 2068 case '&':
adamc@311 2069 uw_write_unsafe(ctx, "&amp;");
adamc@135 2070 break;
adamc@135 2071 default:
adamc@1059 2072 uw_writec_unsafe(ctx, c);
adamc@135 2073 }
adamc@135 2074 }
adamc@428 2075
adamc@428 2076 return uw_unit_v;
adamc@135 2077 }
adamc@180 2078
adamc@311 2079 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2080 if (b == uw_Basis_False)
adamc@286 2081 return "False";
adamc@286 2082 else
adamc@286 2083 return "True";
adamc@286 2084 }
adamc@286 2085
adamc@428 2086 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2087 if (b == uw_Basis_False) {
adamc@311 2088 uw_check(ctx, 6);
adamc@666 2089 strcpy(ctx->page.front, "False");
adamc@666 2090 ctx->page.front += 5;
adamc@286 2091 } else {
adamc@311 2092 uw_check(ctx, 5);
adamc@666 2093 strcpy(ctx->page.front, "True");
adamc@666 2094 ctx->page.front += 4;
adamc@286 2095 }
adamc@428 2096
adamc@428 2097 return uw_unit_v;
adamc@286 2098 }
adamc@286 2099
adamc@436 2100 #define TIME_FMT "%x %X"
adamc@438 2101 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2102
adamc@436 2103 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2104 size_t len;
adamc@436 2105 char *r;
adamc@436 2106 struct tm stm;
adamc@436 2107
adamc@436 2108 if (localtime_r(&t, &stm)) {
adamc@436 2109 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2110 r = ctx->heap.front;
adamc@436 2111 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2112 ctx->heap.front += len+1;
adamc@436 2113 return r;
adamc@436 2114 } else
adamc@436 2115 return "<i>Invalid time</i>";
adamc@436 2116 }
adamc@436 2117
adamc@436 2118 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2119 size_t len;
adamc@436 2120 char *r;
adamc@436 2121 struct tm stm;
adamc@436 2122
adamc@436 2123 if (localtime_r(&t, &stm)) {
adamc@436 2124 uw_check(ctx, TIMES_MAX);
adamc@666 2125 r = ctx->page.front;
adamc@436 2126 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2127 ctx->page.front += len;
adamc@436 2128 } else {
adamc@436 2129 uw_check(ctx, 20);
adamc@666 2130 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2131 ctx->page.front += 19;
adamc@436 2132 }
adamc@436 2133
adamc@436 2134 return uw_unit_v;
adamc@436 2135 }
adamc@436 2136
adamc@821 2137 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2138 if (n >= 0 && n < strlen(s))
adamc@821 2139 return s[n];
adamc@821 2140 else
adamc@821 2141 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 2142 }
adamc@821 2143
adamc@821 2144 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2145 if (n >= 0 && n < strlen(s))
adamc@821 2146 return &s[n];
adamc@821 2147 else
adamc@821 2148 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 2149 }
adamc@821 2150
adamc@828 2151 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2152 return strlen(s);
adamc@828 2153 }
adamc@828 2154
adamc@829 2155 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2156 return strchr(s, ch);
adamc@829 2157 }
adamc@829 2158
adamc@831 2159 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2160 return strcspn(s, chs);
adamc@831 2161 }
adamc@831 2162
adamc@829 2163 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2164 uw_Basis_string r = strchr(s, ch);
adamc@829 2165 if (r == NULL)
adamc@829 2166 return NULL;
adamc@829 2167 else {
adamc@829 2168 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2169 *nr = r - s;
adamc@829 2170 return nr;
adamc@829 2171 }
adamc@829 2172 }
adamc@829 2173
adamc@311 2174 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2175 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2176 char *s;
adamc@180 2177
adamc@311 2178 uw_check_heap(ctx, len);
adamc@180 2179
adamc@666 2180 s = ctx->heap.front;
adamc@180 2181
adamc@180 2182 strcpy(s, s1);
adamc@180 2183 strcat(s, s2);
adamc@666 2184 ctx->heap.front += len;
adamc@180 2185
adamc@180 2186 return s;
adamc@180 2187 }
adamc@278 2188
adamc@829 2189 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2190 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2191
adamc@829 2192 if (start < 0)
adamc@829 2193 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2194 if (len < 0)
adamc@829 2195 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2196 if (start + len > full_len)
adamc@829 2197 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2198
adamc@829 2199 if (start + len == full_len)
adamc@829 2200 return &s[start];
adamc@829 2201 else {
adamc@829 2202 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2203 memcpy(r, s+start, len);
adamc@829 2204 r[len] = 0;
adamc@829 2205 return r;
adamc@829 2206 }
adamc@829 2207
adamc@829 2208 }
adamc@829 2209
adamc@1023 2210 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2211 char *r;
adamc@1023 2212
adamc@1023 2213 uw_check_heap(ctx, 2);
adamc@1023 2214 r = ctx->heap.front;
adamc@1023 2215 r[0] = ch;
adamc@1023 2216 r[1] = 0;
adamc@1023 2217
adamc@1023 2218 ctx->heap.front += 2;
adamc@1023 2219
adamc@1023 2220 return r;
adamc@1023 2221 }
adamc@1023 2222
adamc@737 2223 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2224 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2225 char *s;
adamc@278 2226
adamc@311 2227 uw_check_heap(ctx, len);
adamc@278 2228
adamc@666 2229 s = ctx->heap.front;
adamc@278 2230
adamc@278 2231 strcpy(s, s1);
adamc@666 2232 ctx->heap.front += len;
adamc@278 2233
adamc@278 2234 return s;
adamc@278 2235 }
adamc@280 2236
adam@1295 2237 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2238 if (ctx->error_message[0]) {
adam@1295 2239 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2240 ctx->error_message[0] = 0;
adam@1295 2241 return s;
adam@1295 2242 } else
adam@1295 2243 return NULL;
adam@1295 2244 }
adam@1295 2245
adamc@737 2246 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2247 if (s1)
adamc@737 2248 return uw_strdup(ctx, s1);
adamc@493 2249 else
adamc@493 2250 return NULL;
adamc@493 2251 }
adamc@493 2252
adamc@742 2253 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2254 char *r = uw_malloc(ctx, len);
adamc@742 2255 memcpy(r, p, len);
adamc@742 2256 return r;
adamc@742 2257 }
adamc@280 2258
adamc@879 2259 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2260
adamc@311 2261 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2262 int len;
adamc@281 2263 char *r;
adamc@281 2264
adamc@311 2265 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2266 r = ctx->heap.front;
adamc@879 2267 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2268 ctx->heap.front += len+1;
adamc@281 2269 return r;
adamc@281 2270 }
adamc@281 2271
adamc@467 2272 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2273 if (n == NULL)
adamc@467 2274 return "NULL";
adamc@467 2275 else
adamc@467 2276 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2277 }
adamc@467 2278
adamc@879 2279 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2280
adamc@311 2281 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2282 int len;
adamc@281 2283 char *r;
adamc@281 2284
adamc@311 2285 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2286 r = ctx->heap.front;
adamc@879 2287 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2288 ctx->heap.front += len+1;
adamc@281 2289 return r;
adamc@281 2290 }
adamc@281 2291
adamc@467 2292 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2293 if (n == NULL)
adamc@467 2294 return "NULL";
adamc@467 2295 else
adamc@467 2296 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2297 }
adamc@467 2298
adamc@879 2299 int uw_Estrings = 1;
adamc@879 2300 char *uw_sqlsuffixString = "::text";
adamc@1011 2301 char *uw_sqlsuffixChar = "::char";
adamc@281 2302
adamc@311 2303 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2304 char *r, *s2;
adamc@280 2305
adamc@879 2306 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2307
adamc@666 2308 r = s2 = ctx->heap.front;
adamc@879 2309 if (uw_Estrings)
adamc@879 2310 *s2++ = 'E';
adamc@280 2311 *s2++ = '\'';
adamc@280 2312
adamc@280 2313 for (; *s; s++) {
adamc@280 2314 char c = *s;
adamc@280 2315
adamc@280 2316 switch (c) {
adamc@280 2317 case '\'':
adamc@885 2318 if (uw_Estrings)
adamc@885 2319 strcpy(s2, "\\'");
adamc@885 2320 else
adamc@885 2321 strcpy(s2, "''");
adamc@280 2322 s2 += 2;
adamc@280 2323 break;
adamc@280 2324 case '\\':
adamc@885 2325 if (uw_Estrings) {
adamc@885 2326 strcpy(s2, "\\\\");
adamc@885 2327 s2 += 2;
adamc@885 2328 } else
adamc@885 2329 *s2++ = '\\';
adamc@280 2330 break;
adamc@280 2331 default:
adamc@1150 2332 if (isprint((int)c))
adamc@280 2333 *s2++ = c;
adamc@879 2334 else if (uw_Estrings) {
adamc@737 2335 sprintf(s2, "\\%03o", c);
adamc@280 2336 s2 += 4;
adamc@280 2337 }
adamc@879 2338 else
adamc@879 2339 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2340 }
adamc@280 2341 }
adamc@280 2342
adamc@879 2343 *s2++ = '\'';
adamc@879 2344 strcpy(s2, uw_sqlsuffixString);
adamc@879 2345 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2346 return r;
adamc@280 2347 }
adamc@281 2348
adamc@1011 2349 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2350 char *r, *s2;
adamc@1011 2351
adamc@1011 2352 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2353
adamc@1011 2354 r = s2 = ctx->heap.front;
adamc@1011 2355 if (uw_Estrings)
adamc@1011 2356 *s2++ = 'E';
adamc@1011 2357 *s2++ = '\'';
adamc@1011 2358
adamc@1011 2359 switch (c) {
adamc@1011 2360 case '\'':
adamc@1011 2361 if (uw_Estrings)
adamc@1011 2362 strcpy(s2, "\\'");
adamc@1011 2363 else
adamc@1011 2364 strcpy(s2, "''");
adamc@1011 2365 s2 += 2;
adamc@1011 2366 break;
adamc@1011 2367 case '\\':
adamc@1011 2368 if (uw_Estrings) {
adamc@1011 2369 strcpy(s2, "\\\\");
adamc@1011 2370 s2 += 2;
adamc@1011 2371 } else
adamc@1011 2372 *s2++ = '\\';
adamc@1011 2373 break;
adamc@1011 2374 default:
adamc@1150 2375 if (isprint((int)c))
adamc@1011 2376 *s2++ = c;
adamc@1011 2377 else if (uw_Estrings) {
adamc@1011 2378 sprintf(s2, "\\%03o", c);
adamc@1011 2379 s2 += 4;
adamc@1011 2380 }
adamc@1011 2381 else
adamc@1011 2382 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2383 }
adamc@1011 2384
adamc@1011 2385 *s2++ = '\'';
adamc@1011 2386 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2387 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2388 return r;
adamc@1011 2389 }
adamc@1011 2390
adamc@879 2391 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2392
adamc@737 2393 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2394 char *r, *s2;
adamc@737 2395 size_t i;
adamc@737 2396
adamc@879 2397 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2398
adamc@737 2399 r = s2 = ctx->heap.front;
adamc@879 2400 if (uw_Estrings)
adamc@879 2401 *s2++ = 'E';
adamc@737 2402 *s2++ = '\'';
adamc@737 2403
adamc@737 2404 for (i = 0; i < b.size; ++i) {
adamc@737 2405 char c = b.data[i];
adamc@737 2406
adamc@737 2407 switch (c) {
adamc@737 2408 case '\'':
adamc@885 2409 if (uw_Estrings)
adamc@885 2410 strcpy(s2, "\\'");
adamc@885 2411 else
adamc@885 2412 strcpy(s2, "''");
adamc@737 2413 s2 += 2;
adamc@737 2414 break;
adamc@737 2415 case '\\':
adamc@885 2416 if (uw_Estrings) {
adamc@885 2417 strcpy(s2, "\\\\\\\\");
adamc@885 2418 s2 += 4;
adamc@885 2419 } else
adamc@885 2420 *s2++ = '\\';
adamc@737 2421 break;
adamc@737 2422 default:
adamc@1150 2423 if (isprint((int)c))
adamc@737 2424 *s2++ = c;
adamc@879 2425 else if (uw_Estrings) {
adamc@737 2426 sprintf(s2, "\\\\%03o", c);
adamc@737 2427 s2 += 5;
adamc@737 2428 }
adamc@879 2429 else
adamc@879 2430 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2431 }
adamc@737 2432 }
adamc@737 2433
adamc@879 2434 *s2++ = '\'';
adamc@879 2435 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2436 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2437 return r;
adamc@737 2438 }
adamc@737 2439
adamc@682 2440 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2441 int len;
adamc@682 2442 char *r;
adamc@682 2443 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2444
adamc@682 2445 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2446 r = ctx->heap.front;
adamc@879 2447 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2448 ctx->heap.front += len+1;
adamc@682 2449 return r;
adamc@682 2450 }
adamc@682 2451
adamc@682 2452 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2453 int len;
adamc@682 2454 char *r;
adamc@682 2455 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2456
adamc@682 2457 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2458 r = ctx->heap.front;
adamc@682 2459 sprintf(r, "%lld%n", combo, &len);
adamc@682 2460 ctx->heap.front += len+1;
adamc@682 2461 return r;
adamc@682 2462 }
adamc@682 2463
adamc@879 2464 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2465
adamc@682 2466 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2467 int len;
adamc@682 2468 char *r;
adamc@682 2469
adamc@682 2470 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2471 r = ctx->heap.front;
adamc@879 2472 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2473 ctx->heap.front += len+1;
adamc@682 2474 return r;
adamc@682 2475 }
adamc@682 2476
adamc@682 2477 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2478 int len;
adamc@682 2479 char *r;
adamc@682 2480
adamc@682 2481 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2482 r = ctx->heap.front;
adamc@682 2483 sprintf(r, "%u%n", cli, &len);
adamc@682 2484 ctx->heap.front += len+1;
adamc@682 2485 return r;
adamc@682 2486 }
adamc@682 2487
adamc@467 2488 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2489 if (s == NULL)
adamc@467 2490 return "NULL";
adamc@467 2491 else
adamc@467 2492 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2493 }
adamc@467 2494
adamc@311 2495 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2496 if (b == uw_Basis_False)
adamc@281 2497 return "FALSE";
adamc@281 2498 else
adamc@281 2499 return "TRUE";
adamc@281 2500 }
adamc@282 2501
adamc@467 2502 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2503 if (b == NULL)
adamc@467 2504 return "NULL";
adamc@467 2505 else
adamc@467 2506 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2507 }
adamc@467 2508
adamc@439 2509 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2510 size_t len;
adamc@682 2511 char *r, *s;
adamc@682 2512 struct tm stm;
adamc@682 2513
adamc@682 2514 if (localtime_r(&t, &stm)) {
adamc@682 2515 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2516 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adamc@682 2517 r = uw_malloc(ctx, len + 14);
adamc@682 2518 sprintf(r, "'%s'::timestamp", s);
adamc@682 2519 return r;
adamc@682 2520 } else
adamc@682 2521 return "<Invalid time>";
adamc@682 2522 }
adamc@682 2523
adamc@682 2524 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2525 size_t len;
adamc@439 2526 char *r;
adamc@439 2527 struct tm stm;
adamc@439 2528
adamc@439 2529 if (localtime_r(&t, &stm)) {
adamc@439 2530 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2531 r = ctx->heap.front;
adamc@439 2532 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2533 ctx->heap.front += len+1;
adamc@439 2534 return r;
adamc@439 2535 } else
adamc@439 2536 return "<Invalid time>";
adamc@439 2537 }
adamc@439 2538
adam@1364 2539 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2540 size_t len;
adam@1364 2541 char *r;
adam@1364 2542 struct tm stm;
adam@1364 2543
adam@1364 2544 if (localtime_r(&t, &stm)) {
adam@1364 2545 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2546 r = ctx->heap.front;
adam@1364 2547 len = strftime(r, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1364 2548 ctx->heap.front += len+1;
adam@1364 2549 return r;
adam@1364 2550 } else
adam@1364 2551 return "<Invalid time>";
adam@1364 2552 }
adam@1364 2553
adamc@467 2554 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2555 if (t == NULL)
adamc@467 2556 return "NULL";
adamc@467 2557 else
adamc@467 2558 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2559 }
adamc@467 2560
adamc@311 2561 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2562 static uw_Basis_int true = 1;
adamc@311 2563 static uw_Basis_int false = 0;
adamc@282 2564
adamc@311 2565 if (b == uw_Basis_False)
adamc@282 2566 return (char *)&false;
adamc@282 2567 else
adamc@282 2568 return (char *)&true;
adamc@282 2569 }
adamc@284 2570
adamc@311 2571 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2572 int len;
adamc@284 2573 char *r;
adamc@284 2574
adamc@311 2575 uw_check_heap(ctx, INTS_MAX);
adamc@666 2576 r = ctx->heap.front;
adamc@284 2577 sprintf(r, "%lld%n", n, &len);
adamc@666 2578 ctx->heap.front += len+1;
adamc@284 2579 return r;
adamc@284 2580 }
adamc@285 2581
adamc@311 2582 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2583 int len;
adamc@285 2584 char *r;
adamc@285 2585
adamc@311 2586 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2587 r = ctx->heap.front;
adamc@285 2588 sprintf(r, "%g%n", n, &len);
adamc@666 2589 ctx->heap.front += len+1;
adamc@285 2590 return r;
adamc@285 2591 }
adamc@285 2592
adamc@821 2593 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2594 char *r = uw_malloc(ctx, 2);
adamc@821 2595 r[0] = ch;
adamc@821 2596 r[1] = 0;
adamc@821 2597 return r;
adamc@821 2598 }
adamc@821 2599
adamc@311 2600 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2601 if (b == uw_Basis_False)
adamc@285 2602 return "False";
adamc@285 2603 else
adamc@285 2604 return "True";
adamc@285 2605 }
adamc@288 2606
adamc@436 2607 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2608 size_t len;
adamc@436 2609 char *r;
adamc@436 2610 struct tm stm;
adamc@436 2611
adamc@436 2612 if (localtime_r(&t, &stm)) {
adamc@436 2613 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2614 r = ctx->heap.front;
adamc@436 2615 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2616 ctx->heap.front += len+1;
adamc@436 2617 return r;
adamc@436 2618 } else
adamc@436 2619 return "<Invalid time>";
adamc@436 2620 }
adamc@288 2621
adam@1359 2622 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2623 size_t len;
adam@1352 2624 char *r;
adam@1352 2625 struct tm stm;
adam@1352 2626
adam@1352 2627 if (localtime_r(&t, &stm)) {
adam@1352 2628 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2629 r = ctx->heap.front;
adam@1352 2630 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2631 ctx->heap.front += len+1;
adam@1352 2632 return r;
adam@1352 2633 } else
adam@1352 2634 return "<Invalid time>";
adam@1352 2635 }
adam@1352 2636
adamc@311 2637 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2638 char *endptr;
adamc@311 2639 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2640
adamc@288 2641 if (*s != '\0' && *endptr == '\0') {
adamc@311 2642 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2643 *r = n;
adamc@288 2644 return r;
adamc@288 2645 } else
adamc@288 2646 return NULL;
adamc@288 2647 }
adamc@289 2648
adamc@311 2649 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2650 char *endptr;
adamc@311 2651 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2652
adamc@289 2653 if (*s != '\0' && *endptr == '\0') {
adamc@311 2654 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2655 *r = n;
adamc@289 2656 return r;
adamc@289 2657 } else
adamc@289 2658 return NULL;
adamc@289 2659 }
adamc@289 2660
adamc@821 2661 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2662 if (s[0] == 0) {
adamc@821 2663 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2664 r[0] = 0;
adamc@821 2665 return r;
adamc@821 2666 } else if (s[1] != 0)
adamc@821 2667 return NULL;
adamc@821 2668 else {
adamc@821 2669 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2670 r[0] = s[0];
adamc@821 2671 return r;
adamc@821 2672 }
adamc@821 2673 }
adamc@821 2674
adamc@311 2675 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2676 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2677 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2678
adamc@289 2679 if (!strcasecmp (s, "True"))
adamc@289 2680 return &true;
adamc@289 2681 else if (!strcasecmp (s, "False"))
adamc@289 2682 return &false;
adamc@289 2683 else
adamc@289 2684 return NULL;
adamc@289 2685 }
adamc@292 2686
adamc@436 2687 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2688 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2689 struct tm stm;
adamc@436 2690
adamc@439 2691 if (dot) {
adamc@439 2692 *dot = 0;
adamc@439 2693 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2694 *dot = '.';
adamc@439 2695 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2696 *r = mktime(&stm);
adamc@439 2697 return r;
adamc@439 2698 }
adamc@439 2699 else {
adamc@439 2700 *dot = '.';
adamc@439 2701 return NULL;
adamc@439 2702 }
adamc@436 2703 }
adamc@439 2704 else {
adamc@439 2705 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2706 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2707 *r = mktime(&stm);
adamc@439 2708 return r;
adamc@439 2709 }
adamc@439 2710 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2711 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2712 *r = mktime(&stm);
adamc@439 2713 return r;
adamc@439 2714 }
adamc@439 2715 else
adamc@439 2716 return NULL;
adamc@439 2717 }
adamc@436 2718 }
adamc@436 2719
adam@1352 2720 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2721 char *end = strchr(s, 0);
adam@1352 2722 struct tm stm;
adam@1352 2723
adam@1352 2724 if (strptime(s, fmt, &stm) == end) {
adam@1352 2725 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1352 2726 *r = mktime(&stm);
adam@1352 2727 return r;
adam@1352 2728 }
adam@1352 2729 else
adam@1352 2730 return NULL;
adam@1352 2731 }
adam@1352 2732
adamc@311 2733 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2734 char *endptr;
adamc@311 2735 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2736
adamc@292 2737 if (*s != '\0' && *endptr == '\0')
adamc@292 2738 return n;
adamc@292 2739 else
adamc@311 2740 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2741 }
adamc@293 2742
adamc@682 2743 #include <errno.h>
adamc@682 2744
adamc@678 2745 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2746 unsigned long long n;
adamc@682 2747
adamc@682 2748 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2749 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2750 else {
adamc@682 2751 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2752 return ch;
adamc@682 2753 }
adamc@682 2754 }
adamc@682 2755
adamc@682 2756 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2757 char *endptr;
adamc@682 2758 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2759
adamc@678 2760 if (*s != '\0' && *endptr == '\0')
adamc@678 2761 return n;
adamc@678 2762 else
adamc@682 2763 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2764 }
adamc@678 2765
adamc@311 2766 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2767 char *endptr;
adamc@311 2768 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2769
adamc@293 2770 if (*s != '\0' && *endptr == '\0')
adamc@293 2771 return n;
adamc@293 2772 else
adamc@311 2773 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2774 }
adamc@293 2775
adamc@821 2776 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2777 if (s[0] == 0)
adamc@821 2778 return 0;
adamc@821 2779 else if (s[1] != 0)
adamc@821 2780 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2781 else
adamc@821 2782 return s[0];
adamc@821 2783 }
adamc@821 2784
adamc@311 2785 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2786 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2787 return uw_Basis_True;
adamc@296 2788 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2789 return uw_Basis_False;
adamc@293 2790 else
adamc@311 2791 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2792 }
adamc@436 2793
adam@1352 2794 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2795 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2796 struct tm stm = {};
adam@1352 2797
adam@1352 2798 if (dot) {
adam@1352 2799 *dot = 0;
adam@1352 2800 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2801 *dot = '.';
adam@1352 2802 return mktime(&stm);
adam@1352 2803 }
adam@1352 2804 else {
adam@1352 2805 *dot = '.';
adam@1352 2806 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2807 }
adam@1352 2808 }
adam@1352 2809 else {
adam@1352 2810 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1352 2811 return mktime(&stm);
adam@1352 2812 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1352 2813 return mktime(&stm);
adam@1352 2814 } else
adam@1352 2815 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2816 }
adam@1352 2817 }
adam@1352 2818
adamc@436 2819 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2820 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2821 struct tm stm = {};
adamc@436 2822
adamc@438 2823 if (dot) {
adamc@438 2824 *dot = 0;
adamc@438 2825 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2826 *dot = '.';
adamc@438 2827 return mktime(&stm);
adamc@438 2828 }
adamc@438 2829 else {
adamc@438 2830 *dot = '.';
adamc@438 2831 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2832 }
adamc@438 2833 }
adamc@438 2834 else {
adamc@439 2835 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2836 return mktime(&stm);
adamc@439 2837 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2838 return mktime(&stm);
adamc@438 2839 else
adamc@438 2840 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2841 }
adamc@436 2842 }
adamc@457 2843
adam@1352 2844 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2845 char *end = strchr(s, 0);
adamc@939 2846 struct tm stm = {};
adamc@939 2847
adam@1352 2848 if (strptime(s, fmt, &stm) == end)
adam@1352 2849 return mktime(&stm);
adam@1352 2850 else
adam@1352 2851 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2852 }
adamc@939 2853
adamc@742 2854 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2855 char *r = ctx->heap.front;
adamc@742 2856 uw_Basis_blob b = {len, r};
adamc@742 2857
adamc@742 2858 uw_check_heap(ctx, len);
adamc@742 2859
adamc@742 2860 while (*s) {
adamc@742 2861 if (s[0] == '\\') {
adamc@742 2862 if (s[1] == '\\') {
adamc@742 2863 *r++ = '\\';
adamc@742 2864 s += 2;
adamc@1153 2865 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2866 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2867 s += 4;
adamc@742 2868 }
adamc@742 2869 else {
adamc@742 2870 *r++ = '\\';
adamc@742 2871 ++s;
adamc@742 2872 }
adamc@742 2873 } else {
adamc@742 2874 *r++ = s[0];
adamc@742 2875 ++s;
adamc@742 2876 }
adamc@742 2877 }
adamc@742 2878
adamc@742 2879 b.size = r - ctx->heap.front;
adamc@742 2880 ctx->heap.front = r;
adamc@742 2881 return b;
adamc@742 2882 }
adamc@742 2883
adamc@1052 2884 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2885
adamc@463 2886 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2887 int len = strlen(c);
adamc@854 2888 char *p = ctx->outHeaders.start;
adamc@474 2889
adamc@1134 2890 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2891 char *p2;
adamc@474 2892 p += 13;
adamc@474 2893 p2 = strchr(p, '=');
adamc@474 2894
adamc@474 2895 if (p2) {
adamc@474 2896 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2897
adamc@474 2898 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2899 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2900 return NULL;
adamc@1052 2901 else {
adamc@1052 2902 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2903 memcpy(ret, p2+1, sz);
adamc@1052 2904 ret[sz] = 0;
adamc@1052 2905 return ret;
adamc@1052 2906 }
adamc@474 2907 }
adamc@474 2908 }
adamc@474 2909 }
adamc@463 2910
adamc@1134 2911 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2912 char *p2;
adamc@1051 2913
adamc@854 2914 while (1) {
adamc@1051 2915 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2916 if ((p2 = strchr(p, ';'))) {
adamc@1051 2917 size_t n = p2 - (p + len);
adamc@1051 2918 char *r = uw_malloc(ctx, n);
adamc@1051 2919 memcpy(r, p + 1 + len, n-1);
adamc@1051 2920 r[n-1] = 0;
adamc@1051 2921 return r;
adamc@1051 2922 } else
adamc@1051 2923 return p + 1 + len;
adamc@1134 2924 } else if ((p = strchr(p, ';')))
adamc@854 2925 p += 2;
adamc@463 2926 else
adamc@463 2927 return NULL;
adamc@463 2928 }
adamc@463 2929 }
adamc@792 2930
adamc@792 2931 return NULL;
adamc@457 2932 }
adamc@462 2933
adamc@1050 2934 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 2935 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2936 uw_write_header(ctx, c);
adamc@462 2937 uw_write_header(ctx, "=");
adamc@462 2938 uw_write_header(ctx, v);
adamc@466 2939 uw_write_header(ctx, "; path=");
adamc@466 2940 uw_write_header(ctx, prefix);
adamc@1050 2941 if (expires) {
adamc@1050 2942 char formatted[30];
adamc@1050 2943 struct tm tm;
adamc@1050 2944
adamc@1050 2945 gmtime_r(expires, &tm);
adamc@1050 2946
adamc@1050 2947 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2948
adamc@1050 2949 uw_write_header(ctx, "; expires=");
adamc@1050 2950 uw_write_header(ctx, formatted);
adamc@1050 2951 }
adamc@1050 2952 if (secure)
adamc@1050 2953 uw_write_header(ctx, "; secure");
adamc@462 2954 uw_write_header(ctx, "\r\n");
adamc@462 2955
adamc@462 2956 return uw_unit_v;
adamc@462 2957 }
adamc@667 2958
adamc@1050 2959 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2960 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2961 uw_write_header(ctx, c);
adamc@1050 2962 uw_write_header(ctx, "=; path=");
adamc@1050 2963 uw_write_header(ctx, prefix);
adamc@1052 2964 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2965
adamc@1050 2966 return uw_unit_v;
adamc@1050 2967 }
adamc@1050 2968
adamc@1113 2969 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 2970
adamc@682 2971 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2972 unsigned i;
adamc@682 2973 delta *d;
adamc@671 2974
adamc@682 2975 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2976 if (ctx->deltas[i].client == client)
adamc@682 2977 return &ctx->deltas[i];
adamc@671 2978
adamc@682 2979 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 2980 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 2981 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 2982
adamc@682 2983 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@1113 2984 buf_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2985 }
adamc@671 2986
adamc@682 2987 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2988 d->client = client;
adamc@682 2989 buf_reset(&d->msgs);
adamc@682 2990 return d;
adamc@671 2991 }
adamc@671 2992
adamc@668 2993 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2994 if (ctx->client == NULL)
adamc@682 2995 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2996
adamc@682 2997 return new_channel(ctx->client);
adamc@668 2998 }
adamc@668 2999
adamc@668 3000 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3001 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3002 size_t len;
adamc@682 3003 int preLen;
adamc@682 3004 char pre[INTS_MAX + 2];
adamc@668 3005
adamc@682 3006 len = strlen(msg);
adamc@682 3007
adamc@682 3008 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3009
adamc@1113 3010 ctx_buf_append(ctx, "messages", &d->msgs, pre, preLen);
adamc@1113 3011 ctx_buf_append(ctx, "messages", &d->msgs, msg, len);
adamc@1113 3012 ctx_buf_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3013
adamc@671 3014 return uw_unit_v;
adamc@668 3015 }
adamc@671 3016
adam@1327 3017 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3018 int i;
adamc@1131 3019 cleanup *cl;
adamc@1131 3020
adamc@1131 3021 if (ctx->client)
adamc@1131 3022 release_client(ctx->client);
adamc@1131 3023
adamc@1131 3024 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3025 cl->func(cl->arg);
adamc@1131 3026
adamc@1131 3027 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3028
adamc@1131 3029 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3030 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3031 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3032
adamc@1131 3033 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3034 if (ctx->transactionals[i].free)
adam@1327 3035 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3036
adamc@1144 3037 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3038 }
adamc@1131 3039
adamc@671 3040 void uw_commit(uw_context ctx) {
adamc@1104 3041 int i;
adamc@1104 3042
adamc@1131 3043 if (uw_has_error(ctx)) {
adam@1327 3044 uw_rollback(ctx, 0);
adamc@1131 3045 return;
adamc@1131 3046 }
adamc@1131 3047
adamc@1104 3048 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3049 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3050 if (ctx->transactionals[i].commit) {
adamc@1083 3051 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3052 if (uw_has_error(ctx)) {
adam@1327 3053 uw_rollback(ctx, 0);
adamc@1131 3054 return;
adamc@1131 3055 }
adamc@1131 3056 }
adamc@771 3057
adamc@1104 3058 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3059 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3060 if (ctx->transactionals[i].commit) {
adamc@1083 3061 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3062 if (uw_has_error(ctx)) {
adam@1327 3063 uw_rollback(ctx, 0);
adamc@1131 3064 return;
adamc@1131 3065 }
adamc@1131 3066 }
adamc@1131 3067
adamc@1131 3068 if (ctx->app->db_commit(ctx)) {
adamc@1131 3069 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3070 return;
adamc@1131 3071 }
adamc@682 3072
adamc@682 3073 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3074 delta *d = &ctx->deltas[i];
adamc@682 3075 client *c = find_client(d->client);
adamc@682 3076
adamc@682 3077 assert (c != NULL && c->mode == USED);
adamc@682 3078
adamc@685 3079 client_send(c, &d->msgs);
adamc@682 3080 }
adamc@682 3081
adamc@682 3082 if (ctx->client)
adamc@685 3083 release_client(ctx->client);
adamc@771 3084
adamc@1104 3085 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3086 if (ctx->transactionals[i].free)
adam@1327 3087 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3088
adamc@916 3089 // Splice script data into appropriate part of page
adamc@1065 3090 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3091 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3092 if (start) {
adamc@995 3093 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3094 ctx->page.front -= 4;
adamc@995 3095 }
adamc@995 3096 } else if (buf_used(&ctx->script) == 0) {
adamc@916 3097 size_t len = strlen(ctx->script_header);
adamc@916 3098 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3099 if (start) {
adamc@1113 3100 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 3101 start = strstr(ctx->page.start, "<sc>");
adamc@916 3102 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3103 ctx->page.front += len - 4;
adamc@916 3104 memcpy(start, ctx->script_header, len);
adamc@916 3105 }
adamc@916 3106 } else {
adamc@916 3107 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 3108 size_t lenP = lenH + 40 + len;
adamc@916 3109 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3110 if (start) {
adamc@1113 3111 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 3112 start = strstr(ctx->page.start, "<sc>");
adamc@916 3113 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3114 ctx->page.front += lenP - 4;
adamc@916 3115 memcpy(start, ctx->script_header, lenH);
adamc@916 3116 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3117 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3118 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3119 }
adamc@916 3120 }
adamc@671 3121 }
adamc@671 3122
adamc@683 3123
adamc@1113 3124 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3125
adamc@771 3126 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3127 uw_callback_with_retry free) {
adamc@771 3128 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3129 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3130 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3131 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3132 ++ctx->n_transactionals;
adamc@771 3133 }
adamc@771 3134
adamc@771 3135 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3136 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3137 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3138 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3139 }
adamc@771 3140
adamc@683 3141
adamc@683 3142 // "Garbage collection"
adamc@683 3143
adamc@1121 3144 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3145 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3146
adamc@1121 3147 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3148 int r = setjmp(ctx->jmp_buf);
adamc@683 3149
adamc@1121 3150 if (r == 0)
adamc@1121 3151 uw_do_expunge(ctx, cli, data);
adamc@1121 3152 else
adamc@1121 3153 ctx->app->db_rollback(ctx);
adamc@1121 3154
adamc@1121 3155 uw_post_expunge(ctx, data);
adamc@683 3156
adamc@683 3157 return r;
adamc@683 3158 }
adamc@683 3159
adamc@683 3160 void uw_prune_clients(uw_context ctx) {
adamc@683 3161 client *c, *next, *prev = NULL;
adamc@683 3162 time_t cutoff;
adamc@683 3163
adamc@1094 3164 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3165
adamc@683 3166 pthread_mutex_lock(&clients_mutex);
adamc@683 3167
adamc@683 3168 for (c = clients_used; c; c = next) {
adamc@683 3169 next = c->next;
adamc@683 3170 pthread_mutex_lock(&c->lock);
adamc@685 3171 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3172 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3173 if (prev)
adamc@683 3174 prev->next = next;
adamc@683 3175 else
adamc@683 3176 clients_used = next;
adamc@684 3177 uw_reset(ctx);
adamc@683 3178 while (fk == UNLIMITED_RETRY) {
adamc@1121 3179 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3180 if (fk == UNLIMITED_RETRY)
adamc@684 3181 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3182 }
adamc@684 3183 if (fk == SUCCESS)
adamc@684 3184 free_client(c);
adamc@1121 3185 else
adamc@856 3186 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3187 }
adamc@683 3188 else
adamc@683 3189 prev = c;
adamc@683 3190 pthread_mutex_unlock(&c->lock);
adamc@683 3191 }
adamc@683 3192
adamc@683 3193 pthread_mutex_unlock(&clients_mutex);
adamc@683 3194 }
adamc@687 3195
adamc@687 3196 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3197 int r = setjmp(ctx->jmp_buf);
adamc@687 3198
adamc@687 3199 if (r == 0) {
adamc@1094 3200 if (ctx->app->db_begin(ctx))
adamc@687 3201 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3202 ctx->app->initializer(ctx);
adamc@1094 3203 if (ctx->app->db_commit(ctx))
adamc@687 3204 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3205 }
adamc@687 3206
adamc@687 3207 return r;
adamc@687 3208 }
adamc@717 3209
adamc@1065 3210 static int url_bad(uw_Basis_string s) {
adamc@1065 3211 for (; *s; ++s)
adamc@1153 3212 if (!isgraph((int)*s))
adamc@1065 3213 return 1;
adamc@1065 3214
adamc@1065 3215 return 0;
adamc@1065 3216 }
adamc@1065 3217
adamc@717 3218 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3219 if (url_bad(s))
adamc@1065 3220 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3221 if (ctx->app->check_url(s))
adamc@770 3222 return s;
adamc@770 3223 else
adamc@770 3224 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3225 }
adamc@734 3226
adamc@770 3227 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3228 if (url_bad(s))
adamc@1065 3229 return NULL;
adamc@1094 3230 if (ctx->app->check_url(s))
adamc@770 3231 return s;
adamc@770 3232 else
adamc@770 3233 return NULL;
adamc@770 3234 }
adamc@770 3235
adamc@770 3236 int mime_format(const char *s) {
adamc@770 3237 for (; *s; ++s)
adamc@1153 3238 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3239 return 0;
adamc@770 3240
adamc@770 3241 return 1;
adamc@770 3242 }
adamc@770 3243
adamc@741 3244 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3245 if (!mime_format(s))
adamc@770 3246 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3247
adamc@1094 3248 if (ctx->app->check_mime(s))
adamc@770 3249 return s;
adamc@770 3250 else
adamc@770 3251 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3252 }
adamc@770 3253
adamc@770 3254 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3255 if (!mime_format(s))
adamc@770 3256 return NULL;
adamc@770 3257
adamc@1094 3258 if (ctx->app->check_mime(s))
adamc@770 3259 return s;
adamc@770 3260 else
adamc@770 3261 return NULL;
adamc@741 3262 }
adamc@741 3263
adamc@734 3264 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3265 return s ? s : "";
adamc@734 3266 }
adamc@734 3267
adamc@734 3268 extern int uw_hash_blocksize;
adamc@734 3269
adamc@734 3270 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3271 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3272 int i;
adamc@734 3273
adamc@734 3274 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3275 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3276
adamc@734 3277 return r;
adamc@734 3278 }
adamc@734 3279
adamc@734 3280 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3281 return ctx->app->cookie_sig(ctx);
adamc@734 3282 }
adamc@737 3283
adamc@737 3284 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3285 return f.name;
adamc@737 3286 }
adamc@737 3287
adamc@740 3288 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3289 return f.type;
adamc@740 3290 }
adamc@740 3291
adamc@745 3292 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3293 return b.size;
adamc@745 3294 }
adamc@745 3295
adamc@1119 3296 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3297 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3298
adamc@1119 3299 return b;
adamc@1119 3300 }
adamc@1119 3301
adamc@737 3302 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3303 return f.data;
adamc@737 3304 }
adamc@741 3305
adam@1347 3306 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3307 return pb.type;
adam@1347 3308 }
adam@1347 3309
adam@1347 3310 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3311 return pb.data;
adam@1347 3312 }
adam@1347 3313
adamc@741 3314 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3315 cleanup *cl;
adamc@741 3316 int len;
adamc@741 3317
adamc@1065 3318 ctx->returning_indirectly = 1;
adamc@741 3319 buf_reset(&ctx->outHeaders);
adamc@741 3320 buf_reset(&ctx->page);
adamc@741 3321
adamc@856 3322 uw_write_header(ctx, on_success);
adamc@856 3323 uw_write_header(ctx, "Content-Type: ");
adamc@741 3324 uw_write_header(ctx, mimeType);
adamc@741 3325 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@1113 3326 ctx_buf_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3327 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3328 ctx->outHeaders.front += len;
adamc@1066 3329 uw_write_header(ctx, "\r\n");
adamc@741 3330
adamc@1113 3331 ctx_buf_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3332
adamc@741 3333 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3334 cl->func(cl->arg);
adamc@741 3335
adamc@741 3336 ctx->cleanup_front = ctx->cleanup;
adamc@741 3337
adamc@1065 3338 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3339 }
adamc@1065 3340
adamc@1065 3341 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3342 cleanup *cl;
adamc@1066 3343 char *s;
adamc@1065 3344
adamc@1065 3345 ctx->returning_indirectly = 1;
adamc@1066 3346 buf_reset(&ctx->page);
adamc@1113 3347 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->outHeaders)+1);
adamc@1066 3348 memcpy(ctx->page.start, ctx->outHeaders.start, buf_used(&ctx->outHeaders));
adamc@1066 3349 ctx->page.start[buf_used(&ctx->outHeaders)] = 0;
adamc@1065 3350 buf_reset(&ctx->outHeaders);
adamc@1065 3351
adamc@1065 3352 uw_write_header(ctx, on_redirect);
adamc@1066 3353
adamc@1066 3354 s = strchr(ctx->page.start, '\n');
adamc@1066 3355 if (s) {
adamc@1066 3356 char *s2;
adamc@1134 3357 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3358 *s2 = 0;
adamc@1066 3359 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3360 uw_write_header(ctx, s);
adamc@1066 3361 uw_write_header(ctx, "\n");
adamc@1066 3362 }
adamc@1066 3363 }
adamc@1066 3364 }
adamc@1066 3365
adamc@1065 3366 uw_write_header(ctx, "Location: ");
adamc@1065 3367 uw_write_header(ctx, url);
adamc@1065 3368 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3369
adamc@1065 3370 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3371 cl->func(cl->arg);
adamc@1065 3372
adamc@1065 3373 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3374
adamc@1065 3375 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3376 }
adamc@874 3377
adamc@874 3378 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3379 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3380
adamc@874 3381 for (; *s; ++s) {
adamc@874 3382 if (s[0] == '\'') {
adamc@874 3383 *r++ = '\'';
adamc@874 3384 for (++s; *s; ++s) {
adamc@874 3385 if (s[0] == '\'') {
adamc@874 3386 *r++ = '\'';
adamc@874 3387 break;
adamc@874 3388 } else if (s[0] == '\\') {
adamc@874 3389 if (s[1] == '\\') {
adamc@874 3390 *r++ = '\\';
adamc@874 3391 *r++ = '\\';
adamc@874 3392 ++s;
adamc@874 3393 } else if (s[1] == '\'') {
adamc@874 3394 *r++ = '\\';
adamc@874 3395 *r++ = '\'';
adamc@874 3396 ++s;
adamc@874 3397 } else
adamc@874 3398 *r++ = '\'';
adamc@874 3399 } else
adamc@874 3400 *r++ = s[0];
adamc@874 3401 }
adamc@874 3402 if (*s == 0) break;
adamc@874 3403 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3404 ++s;
adamc@874 3405 else
adamc@874 3406 *r++ = s[0];
adamc@874 3407 }
adamc@874 3408
adamc@874 3409 return r;
adamc@874 3410 }
adamc@874 3411
adamc@922 3412 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3413 va_list ap;
adamc@922 3414 size_t len = 1;
adamc@922 3415 char *s, *r, *s2;
adamc@922 3416
adamc@922 3417 va_start(ap, ctx);
adamc@922 3418 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3419 len += strlen(s);
adamc@922 3420 va_end(ap);
adamc@922 3421
adamc@922 3422 r = uw_malloc(ctx, len);
adamc@922 3423 va_start(ap, ctx);
adamc@922 3424 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3425 while (*s)
adamc@922 3426 *s2++ = *s++;
adamc@922 3427 va_end(ap);
adamc@922 3428 *s2 = 0;
adamc@922 3429
adamc@922 3430 return r;
adamc@922 3431 }
adamc@1006 3432
adam@1363 3433 const uw_Basis_time uw_Basis_minTime = 0;
adamc@1050 3434
adamc@1006 3435 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006 3436 return time(NULL);
adamc@1006 3437 }
adamc@1061 3438
adamc@1138 3439 uw_Basis_time uw_Basis_minusSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adamc@1138 3440 return tm - n;
adamc@1138 3441 }
adamc@1138 3442
adamc@1061 3443 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3444 int i;
adamc@1061 3445
adamc@1061 3446 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3447 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3448 return ctx->globals[i].data;
adamc@1061 3449
adamc@1061 3450 return NULL;
adamc@1061 3451 }
adamc@1061 3452
adamc@1113 3453 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3454
adamc@1061 3455 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3456 int i;
adamc@1061 3457
adamc@1061 3458 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3459 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3460 if (ctx->globals[i].free)
adamc@1061 3461 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3462 ctx->globals[i].data = data;
adamc@1061 3463 ctx->globals[i].free = free;
adamc@1061 3464 return;
adamc@1061 3465 }
adamc@1089 3466
adamc@1113 3467 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3468 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3469
adamc@1061 3470 ++ctx->n_globals;
adamc@1061 3471 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3472 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3473 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3474 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3475 }
adamc@1061 3476
adamc@1061 3477 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3478 return !!isalnum((int)c);
adamc@1061 3479 }
adamc@1061 3480
adamc@1061 3481 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3482 return !!isalpha((int)c);
adamc@1061 3483 }
adamc@1061 3484
adamc@1061 3485 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3486 return !!isblank((int)c);
adamc@1061 3487 }
adamc@1061 3488
adamc@1061 3489 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3490 return !!iscntrl((int)c);
adamc@1061 3491 }
adamc@1061 3492
adamc@1061 3493 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3494 return !!isdigit((int)c);
adamc@1061 3495 }
adamc@1061 3496
adamc@1061 3497 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3498 return !!isgraph((int)c);
adamc@1061 3499 }
adamc@1061 3500
adamc@1061 3501 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3502 return !!islower((int)c);
adamc@1061 3503 }
adamc@1061 3504
adamc@1061 3505 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3506 return !!isprint((int)c);
adamc@1061 3507 }
adamc@1061 3508
adamc@1061 3509 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3510 return !!ispunct((int)c);
adamc@1061 3511 }
adamc@1061 3512
adamc@1061 3513 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3514 return !!isspace((int)c);
adamc@1061 3515 }
adamc@1063 3516
adamc@1061 3517 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3518 return !!isupper((int)c);
adamc@1061 3519 }
adamc@1061 3520
adamc@1061 3521 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3522 return !!isxdigit((int)c);
adamc@1061 3523 }
adamc@1061 3524
adamc@1061 3525 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3526 return tolower((int)c);
adamc@1061 3527 }
adamc@1061 3528
adamc@1061 3529 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3530 return toupper((int)c);
adamc@1061 3531 }
adamc@1066 3532
adamc@1128 3533 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3534 return (unsigned char)c;
adamc@1128 3535 }
adamc@1128 3536
adamc@1128 3537 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3538 return n;
adamc@1128 3539 }
adamc@1128 3540
adamc@1066 3541 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3542 return ctx->current_url;
adamc@1066 3543 }
adamc@1066 3544
adamc@1066 3545 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3546 ctx->current_url = s;
adamc@1066 3547 }
adamc@1114 3548
adamc@1114 3549 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3550 ctx->deadline = n;
adamc@1114 3551 }
adamc@1114 3552
adamc@1114 3553 void uw_check_deadline(uw_context ctx) {
adamc@1114 3554 if (uw_time > ctx->deadline)
adamc@1114 3555 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3556 }
adamc@1115 3557
adamc@1115 3558 size_t uw_database_max = SIZE_MAX;
adamc@1120 3559
adamc@1120 3560 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3561 if (ctx->log_debug)
adam@1334 3562 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3563 else
adam@1334 3564 fprintf(stderr, "%s\n", s);
adamc@1120 3565 return uw_unit_v;
adamc@1120 3566 }
adamc@1250 3567
adamc@1250 3568 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3569 uw_Basis_int n = abs(rand());
adamc@1250 3570 return n;
adamc@1250 3571 }
adam@1347 3572
adam@1347 3573 void uw_noPostBody(uw_context ctx) {
adam@1347 3574 ctx->hasPostBody = 0;
adam@1347 3575 }
adam@1347 3576
adam@1347 3577 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3578 ctx->hasPostBody = 1;
adam@1347 3579 ctx->postBody = pb;
adam@1347 3580 }
adam@1347 3581
adam@1347 3582 int uw_hasPostBody(uw_context ctx) {
adam@1347 3583 return ctx->hasPostBody;
adam@1347 3584 }
adam@1347 3585
adam@1347 3586 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3587 if (ctx->hasPostBody)
adam@1347 3588 return ctx->postBody;
adam@1347 3589 else
adam@1347 3590 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3591 }
adam@1349 3592
adam@1349 3593 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3594 int r = setjmp(ctx->jmp_buf);
adam@1349 3595
adam@1349 3596 if (ctx->app->db_begin(ctx))
adam@1349 3597 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349 3598
adam@1349 3599 if (r == 0) {
adam@1349 3600 callback(ctx);
adam@1349 3601 uw_commit(ctx);
adam@1349 3602 }
adam@1349 3603 else
adam@1349 3604 uw_rollback(ctx, 0);
adam@1349 3605
adam@1349 3606 return r;
adam@1349 3607 }
adam@1360 3608
adam@1360 3609 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1360 3610 struct crypt_data *data;
adam@1360 3611
adam@1360 3612 if ((data = uw_get_global(ctx, "crypt")) == NULL) {
adam@1360 3613 data = malloc(sizeof(struct crypt_data));
adam@1360 3614 data->initialized = 0;
adam@1360 3615 uw_set_global(ctx, "crypt", data, free);
adam@1360 3616 }
adam@1360 3617
adam@1360 3618 return uw_strdup(ctx, crypt_r(key, salt, data));
adam@1360 3619 }