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annotate src/c/urweb.c @ 669:f68eee90dbcf

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author Adam Chlipala <adamc@hcoop.net>
date Sun, 22 Mar 2009 15:16:34 -0400
parents b0c1a46b1f15
children 729e65db2e2f
rev   line source
adamc@436 1 #define _XOPEN_SOURCE
adamc@436 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@102 10
adamc@667 11 #include <pthread.h>
adamc@667 12
adamc@102 13 #include "types.h"
adamc@102 14
adamc@311 15 uw_unit uw_unit_v = {};
adamc@102 16
adamc@667 17
adamc@667 18 // Socket extras
adamc@667 19
adamc@667 20 int uw_really_send(int sock, const void *buf, size_t len) {
adamc@667 21 while (len > 0) {
adamc@667 22 size_t n = send(sock, buf, len, 0);
adamc@667 23
adamc@667 24 if (n < 0)
adamc@667 25 return n;
adamc@667 26
adamc@667 27 buf += n;
adamc@667 28 len -= n;
adamc@667 29 }
adamc@667 30
adamc@667 31 return 0;
adamc@667 32 }
adamc@667 33
adamc@667 34
adamc@667 35 // Buffers
adamc@667 36
adamc@667 37 typedef struct {
adamc@667 38 char *start, *front, *back;
adamc@667 39 } buf;
adamc@667 40
adamc@667 41 static void buf_init(buf *b, size_t s) {
adamc@667 42 b->front = b->start = malloc(s);
adamc@667 43 b->back = b->front + s;
adamc@667 44 }
adamc@667 45
adamc@667 46 static void buf_free(buf *b) {
adamc@667 47 free(b->start);
adamc@667 48 }
adamc@667 49
adamc@667 50 static void buf_reset(buf *b) {
adamc@667 51 b->front = b->start;
adamc@667 52 }
adamc@667 53
adamc@667 54 static void buf_check(buf *b, size_t extra) {
adamc@667 55 if (b->back - b->front < extra) {
adamc@667 56 size_t desired = b->front - b->start + extra, next;
adamc@667 57 char *new_heap;
adamc@667 58
adamc@667 59 next = b->back - b->start;
adamc@667 60 if (next == 0)
adamc@667 61 next = 1;
adamc@667 62 for (; next < desired; next *= 2);
adamc@667 63
adamc@667 64 new_heap = realloc(b->start, next);
adamc@667 65 b->front = new_heap + (b->front - b->start);
adamc@667 66 b->back = new_heap + next;
adamc@667 67 b->start = new_heap;
adamc@667 68 }
adamc@667 69 }
adamc@667 70
adamc@667 71 static size_t buf_used(buf *b) {
adamc@667 72 return b->front - b->start;
adamc@667 73 }
adamc@667 74
adamc@667 75 static size_t buf_avail(buf *b) {
adamc@667 76 return b->back - b->start;
adamc@667 77 }
adamc@667 78
adamc@668 79 static void buf_append(buf *b, const char *s, size_t len) {
adamc@668 80 buf_check(b, len);
adamc@668 81 memcpy(b->front, s, len);
adamc@668 82 b->front += len;
adamc@668 83 }
adamc@667 84
adamc@668 85
adamc@668 86 // Persistent client state
adamc@667 87
adamc@667 88 typedef enum { UNUSED, USED } usage;
adamc@667 89
adamc@667 90 typedef struct client {
adamc@667 91 size_t id;
adamc@667 92 usage mode;
adamc@667 93 union {
adamc@667 94 struct client *next;
adamc@667 95 struct {
adamc@667 96 pthread_mutex_t lock;
adamc@667 97 int pass;
adamc@667 98 buf msgs;
adamc@667 99 int sock;
adamc@667 100 time_t last_contact;
adamc@667 101 } used;
adamc@667 102 } data;
adamc@667 103 } client;
adamc@667 104
adamc@667 105 static client **clients, *clients_free;
adamc@667 106 static size_t n_clients;
adamc@667 107
adamc@667 108 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 109
adamc@667 110 static client *uw_new_client() {
adamc@667 111 client *c;
adamc@667 112
adamc@667 113 pthread_mutex_lock(&clients_mutex);
adamc@667 114
adamc@667 115 if (clients_free) {
adamc@667 116 c = clients_free;
adamc@667 117 clients_free = clients_free->data.next;
adamc@667 118 }
adamc@667 119 else {
adamc@667 120 ++n_clients;
adamc@667 121 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 122 c = malloc(sizeof(client));
adamc@667 123 c->id = n_clients-1;
adamc@667 124 clients[n_clients-1] = c;
adamc@667 125 }
adamc@667 126
adamc@667 127 c->mode = USED;
adamc@667 128 pthread_mutex_init(&c->data.used.lock, NULL);
adamc@667 129 c->data.used.pass = rand();
adamc@667 130 c->data.used.sock = -1;
adamc@667 131 c->data.used.last_contact = time(NULL);
adamc@667 132 buf_init(&c->data.used.msgs, 0);
adamc@667 133
adamc@667 134 pthread_mutex_unlock(&clients_mutex);
adamc@667 135
adamc@667 136 return c;
adamc@667 137 }
adamc@667 138
adamc@667 139 static const char begin_msgs[] = "HTTP/1.1 200 OK\r\nContent-type: text/plain\r\n\r\n";
adamc@667 140
adamc@668 141 static client *uw_find_client(size_t id) {
adamc@667 142 client *c;
adamc@667 143
adamc@667 144 pthread_mutex_lock(&clients_mutex);
adamc@667 145
adamc@667 146 if (id >= n_clients) {
adamc@667 147 pthread_mutex_unlock(&clients_mutex);
adamc@668 148 return NULL;
adamc@667 149 }
adamc@667 150
adamc@667 151 c = clients[id];
adamc@667 152
adamc@667 153 if (c->mode != USED) {
adamc@667 154 pthread_mutex_unlock(&clients_mutex);
adamc@668 155 return NULL;
adamc@668 156 }
adamc@668 157
adamc@668 158 pthread_mutex_unlock(&clients_mutex);
adamc@668 159 return c;
adamc@668 160 }
adamc@668 161
adamc@668 162 void uw_client_connect(size_t id, int pass, int sock) {
adamc@668 163 client *c = uw_find_client(id);
adamc@668 164
adamc@668 165 if (c == NULL) {
adamc@667 166 close(sock);
adamc@668 167 fprintf(stderr, "Out-of-bounds client request (%d)\n", (int)id);
adamc@667 168 return;
adamc@667 169 }
adamc@667 170
adamc@667 171 pthread_mutex_lock(&c->data.used.lock);
adamc@667 172
adamc@667 173 if (pass != c->data.used.pass) {
adamc@667 174 pthread_mutex_unlock(&c->data.used.lock);
adamc@667 175 close(sock);
adamc@667 176 fprintf(stderr, "Wrong client password (%d)\n", (int)id);
adamc@667 177 return;
adamc@667 178 }
adamc@667 179
adamc@667 180 if (c->data.used.sock != -1) {
adamc@667 181 pthread_mutex_unlock(&c->data.used.lock);
adamc@667 182 close(sock);
adamc@667 183 fprintf(stderr, "Duplicate client connection (%d)\n", (int)id);
adamc@667 184 return;
adamc@667 185 }
adamc@667 186
adamc@667 187 c->data.used.last_contact = time(NULL);
adamc@667 188
adamc@667 189 if (buf_used(&c->data.used.msgs) > 0) {
adamc@667 190 uw_really_send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@667 191 uw_really_send(sock, c->data.used.msgs.start, buf_used(&c->data.used.msgs));
adamc@667 192 close(sock);
adamc@667 193 }
adamc@668 194 else
adamc@668 195 c->data.used.sock = sock;
adamc@667 196
adamc@667 197 pthread_mutex_unlock(&c->data.used.lock);
adamc@667 198 }
adamc@667 199
adamc@667 200 static void uw_free_client(client *c) {
adamc@667 201 printf("Freeing client %d\n", c->id);
adamc@667 202
adamc@667 203 if (c->mode == USED && c->data.used.sock != -1)
adamc@667 204 close(c->data.used.sock);
adamc@667 205
adamc@667 206 pthread_mutex_destroy(&c->data.used.lock);
adamc@667 207 buf_free(&c->data.used.msgs);
adamc@667 208 c->mode = UNUSED;
adamc@667 209 c->data.next = clients_free;
adamc@667 210 clients_free = c;
adamc@667 211 }
adamc@667 212
adamc@667 213 void uw_prune_clients(time_t timeout) {
adamc@667 214 size_t i;
adamc@667 215 time_t cutoff;
adamc@667 216
adamc@667 217 cutoff = time(NULL) - timeout;
adamc@667 218
adamc@667 219 pthread_mutex_lock(&clients_mutex);
adamc@667 220
adamc@667 221 for (i = 0; i < n_clients; ++i) {
adamc@667 222 if (clients[i]->mode == USED && clients[i]->data.used.last_contact < cutoff)
adamc@667 223 uw_free_client(clients[i]);
adamc@667 224 }
adamc@667 225
adamc@667 226 pthread_mutex_unlock(&clients_mutex);
adamc@667 227 }
adamc@667 228
adamc@667 229
adamc@668 230 // Persistent channel state
adamc@668 231
adamc@668 232 typedef struct client_list {
adamc@668 233 client *data;
adamc@668 234 struct client_list *next;
adamc@668 235 } client_list;
adamc@668 236
adamc@668 237 typedef struct channel {
adamc@668 238 size_t id;
adamc@668 239 usage mode;
adamc@668 240 union {
adamc@668 241 struct channel *next;
adamc@668 242 struct {
adamc@668 243 pthread_mutex_t lock;
adamc@668 244 client_list *clients;
adamc@668 245 } used;
adamc@668 246 } data;
adamc@668 247 } channel;
adamc@668 248
adamc@668 249 static channel **channels, *channels_free;
adamc@668 250 static size_t n_channels;
adamc@668 251
adamc@668 252 static pthread_mutex_t channels_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@668 253
adamc@668 254 static channel *uw_new_channel() {
adamc@668 255 channel *ch;
adamc@668 256
adamc@668 257 pthread_mutex_lock(&channels_mutex);
adamc@668 258
adamc@668 259 if (channels_free) {
adamc@668 260 ch = channels_free;
adamc@668 261 channels_free = channels_free->data.next;
adamc@668 262 }
adamc@668 263 else {
adamc@668 264 ++n_channels;
adamc@668 265 channels = realloc(channels, sizeof(channels) * n_channels);
adamc@668 266 ch = malloc(sizeof(channel));
adamc@668 267 ch->id = n_channels-1;
adamc@668 268 channels[n_channels-1] = ch;
adamc@668 269 }
adamc@668 270
adamc@668 271 ch->mode = USED;
adamc@668 272 pthread_mutex_init(&ch->data.used.lock, NULL);
adamc@668 273 ch->data.used.clients = NULL;
adamc@668 274
adamc@668 275 pthread_mutex_unlock(&channels_mutex);
adamc@668 276
adamc@668 277 return ch;
adamc@668 278 }
adamc@668 279
adamc@668 280 static channel *uw_find_channel(size_t id) {
adamc@668 281 channel *ch = NULL;
adamc@668 282
adamc@668 283 pthread_mutex_lock(&channels_mutex);
adamc@668 284
adamc@668 285 if (id < n_channels && channels[id]->mode == USED)
adamc@668 286 ch = channels[id];
adamc@668 287
adamc@668 288 pthread_mutex_unlock(&channels_mutex);
adamc@668 289
adamc@668 290 return ch;
adamc@668 291 }
adamc@668 292
adamc@668 293 static void uw_subscribe(channel *ch, client *c) {
adamc@668 294 client_list *cs = malloc(sizeof(client_list));
adamc@668 295
adamc@668 296 pthread_mutex_lock(&ch->data.used.lock);
adamc@668 297
adamc@668 298 cs->data = c;
adamc@668 299 cs->next = ch->data.used.clients;
adamc@668 300 ch->data.used.clients = cs;
adamc@668 301
adamc@668 302 pthread_mutex_unlock(&ch->data.used.lock);
adamc@668 303 }
adamc@668 304
adamc@668 305 static void uw_unsubscribe(channel *ch, client *c) {
adamc@668 306 client_list *prev, *cur, *tmp;
adamc@668 307
adamc@668 308 pthread_mutex_lock(&ch->data.used.lock);
adamc@668 309
adamc@668 310 for (prev = NULL, cur = ch->data.used.clients; cur; ) {
adamc@668 311 if (cur->data == c) {
adamc@668 312 if (prev)
adamc@668 313 prev->next = cur->next;
adamc@668 314 else
adamc@668 315 ch->data.used.clients = cur->next;
adamc@668 316 tmp = cur;
adamc@668 317 cur = cur->next;
adamc@668 318 free(tmp);
adamc@668 319 }
adamc@668 320 else {
adamc@668 321 prev = cur;
adamc@668 322 cur = cur->next;
adamc@668 323 }
adamc@668 324 }
adamc@668 325
adamc@668 326 pthread_mutex_unlock(&ch->data.used.lock);
adamc@668 327 }
adamc@668 328
adamc@668 329 static void uw_channel_send(channel *ch, const char *msg) {
adamc@668 330 size_t len = strlen(msg), preLen;
adamc@668 331 char pre[INTS_MAX + 2];
adamc@668 332 client_list *cs;
adamc@668 333
adamc@668 334 sprintf(pre, "%d\n", (int)ch->id);
adamc@668 335 preLen = strlen(pre);
adamc@668 336
adamc@668 337 pthread_mutex_lock(&ch->data.used.lock);
adamc@668 338
adamc@668 339 for (cs = ch->data.used.clients; cs; cs = cs->next) {
adamc@668 340 client *c = cs->data;
adamc@668 341
adamc@668 342 pthread_mutex_lock(&c->data.used.lock);
adamc@668 343
adamc@668 344 if (c->data.used.sock != -1) {
adamc@669 345 printf("Immediate send\n");
adamc@668 346 uw_really_send(c->data.used.sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@668 347 uw_really_send(c->data.used.sock, pre, preLen);
adamc@668 348 uw_really_send(c->data.used.sock, msg, len);
adamc@668 349 uw_really_send(c->data.used.sock, "\n", 1);
adamc@668 350 close(c->data.used.sock);
adamc@668 351 c->data.used.sock = -1;
adamc@668 352 } else {
adamc@669 353 printf("Delayed send\n");
adamc@668 354 buf_append(&c->data.used.msgs, pre, preLen);
adamc@668 355 buf_append(&c->data.used.msgs, msg, len);
adamc@668 356 buf_append(&c->data.used.msgs, "\n", 1);
adamc@668 357 }
adamc@668 358
adamc@668 359 pthread_mutex_unlock(&c->data.used.lock);
adamc@668 360 }
adamc@668 361
adamc@668 362 pthread_mutex_unlock(&ch->data.used.lock);
adamc@668 363 }
adamc@668 364
adamc@668 365
adamc@668 366 // Global entry points
adamc@668 367
adamc@668 368 void uw_global_init() {
adamc@668 369 srand(time(NULL) ^ getpid());
adamc@668 370
adamc@668 371 clients = malloc(0);
adamc@668 372 channels = malloc(0);
adamc@668 373 }
adamc@668 374
adamc@668 375
adamc@667 376 // Single-request state
adamc@667 377
adamc@167 378 #define ERROR_BUF_LEN 1024
adamc@167 379
adamc@323 380 typedef struct regions {
adamc@323 381 struct regions *next;
adamc@323 382 } regions;
adamc@323 383
adamc@425 384 typedef struct {
adamc@425 385 void (*func)(void*);
adamc@425 386 void *arg;
adamc@425 387 } cleanup;
adamc@425 388
adamc@311 389 struct uw_context {
adamc@458 390 char *headers, *headers_end;
adamc@457 391
adamc@666 392 buf outHeaders, page, heap, script;
adamc@144 393 char **inputs;
adamc@167 394
adamc@565 395 int source_count;
adamc@562 396
adamc@272 397 void *db;
adamc@272 398
adamc@167 399 jmp_buf jmp_buf;
adamc@167 400
adamc@323 401 regions *regions;
adamc@323 402
adamc@425 403 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 404
adamc@667 405 const char *script_header, *url_prefix;
adamc@643 406
adamc@167 407 char error_message[ERROR_BUF_LEN];
adamc@117 408 };
adamc@117 409
adamc@311 410 extern int uw_inputs_len;
adamc@144 411
adamc@562 412 uw_context uw_init(size_t outHeaders_len, size_t script_len, size_t page_len, size_t heap_len) {
adamc@311 413 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 414
adamc@458 415 ctx->headers = ctx->headers_end = NULL;
adamc@457 416
adamc@666 417 buf_init(&ctx->outHeaders, outHeaders_len);
adamc@666 418 buf_init(&ctx->page, page_len);
adamc@666 419 buf_init(&ctx->heap, heap_len);
adamc@666 420 buf_init(&ctx->script, script_len);
adamc@667 421 ctx->script.start[0] = 0;
adamc@136 422
adamc@311 423 ctx->inputs = calloc(uw_inputs_len, sizeof(char *));
adamc@144 424
adamc@272 425 ctx->db = NULL;
adamc@272 426
adamc@323 427 ctx->regions = NULL;
adamc@323 428
adamc@425 429 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 430
adamc@643 431 ctx->script_header = "";
adamc@667 432 ctx->url_prefix = "/";
adamc@643 433
adamc@167 434 ctx->error_message[0] = 0;
adamc@167 435
adamc@565 436 ctx->source_count = 0;
adamc@562 437
adamc@117 438 return ctx;
adamc@106 439 }
adamc@106 440
adamc@311 441 void uw_set_db(uw_context ctx, void *db) {
adamc@272 442 ctx->db = db;
adamc@272 443 }
adamc@272 444
adamc@311 445 void *uw_get_db(uw_context ctx) {
adamc@272 446 return ctx->db;
adamc@272 447 }
adamc@272 448
adamc@311 449 void uw_free(uw_context ctx) {
adamc@666 450 buf_free(&ctx->outHeaders);
adamc@666 451 buf_free(&ctx->script);
adamc@666 452 buf_free(&ctx->page);
adamc@666 453 buf_free(&ctx->heap);
adamc@144 454 free(ctx->inputs);
adamc@425 455 free(ctx->cleanup);
adamc@136 456 free(ctx);
adamc@136 457 }
adamc@136 458
adamc@562 459 void uw_reset_keep_error_message(uw_context ctx) {
adamc@666 460 buf_reset(&ctx->outHeaders);
adamc@666 461 buf_reset(&ctx->script);
adamc@667 462 ctx->script.start[0] = 0;
adamc@666 463 buf_reset(&ctx->page);
adamc@666 464 buf_reset(&ctx->heap);
adamc@323 465 ctx->regions = NULL;
adamc@425 466 ctx->cleanup_front = ctx->cleanup;
adamc@565 467 ctx->source_count = 0;
adamc@167 468 }
adamc@167 469
adamc@562 470 void uw_reset_keep_request(uw_context ctx) {
adamc@562 471 uw_reset_keep_error_message(ctx);
adamc@562 472 ctx->error_message[0] = 0;
adamc@167 473 }
adamc@167 474
adamc@311 475 void uw_reset(uw_context ctx) {
adamc@311 476 uw_reset_keep_request(ctx);
adamc@311 477 memset(ctx->inputs, 0, uw_inputs_len * sizeof(char *));
adamc@144 478 }
adamc@144 479
adamc@311 480 void uw_db_init(uw_context);
adamc@311 481 void uw_handle(uw_context, char *);
adamc@167 482
adamc@311 483 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 484 int r = setjmp(ctx->jmp_buf);
adamc@272 485
adamc@272 486 if (r == 0)
adamc@311 487 uw_db_init(ctx);
adamc@272 488
adamc@272 489 return r;
adamc@272 490 }
adamc@272 491
adamc@458 492 void uw_set_headers(uw_context ctx, char *headers) {
adamc@458 493 char *s = headers, *s2;
adamc@458 494 ctx->headers = headers;
adamc@458 495
adamc@458 496 while (s2 = strchr(s, '\r')) {
adamc@458 497 s = s2;
adamc@458 498
adamc@458 499 if (s[1] == 0)
adamc@458 500 break;
adamc@458 501
adamc@458 502 *s = 0;
adamc@458 503 s += 2;
adamc@458 504 }
adamc@458 505
adamc@458 506 ctx->headers_end = s;
adamc@458 507 }
adamc@458 508
adamc@458 509 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@190 510 int r = setjmp(ctx->jmp_buf);
adamc@190 511
adamc@190 512 if (r == 0)
adamc@311 513 uw_handle(ctx, path);
adamc@167 514
adamc@190 515 return r;
adamc@167 516 }
adamc@167 517
adamc@311 518 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 519 cleanup *cl;
adamc@425 520
adamc@167 521 va_list ap;
adamc@167 522 va_start(ap, fmt);
adamc@167 523
adamc@167 524 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 525
adamc@425 526 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 527 cl->func(cl->arg);
adamc@425 528
adamc@425 529 ctx->cleanup_front = ctx->cleanup;
adamc@425 530
adamc@190 531 longjmp(ctx->jmp_buf, fk);
adamc@167 532 }
adamc@167 533
adamc@425 534 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 535 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 536 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 537 if (len == 0)
adamc@425 538 newLen = 1;
adamc@425 539 else
adamc@428 540 newLen = len * 2;
adamc@470 541 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 542 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 543 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 544 }
adamc@425 545
adamc@425 546 ctx->cleanup_front->func = func;
adamc@425 547 ctx->cleanup_front->arg = arg;
adamc@425 548 ++ctx->cleanup_front;
adamc@425 549 }
adamc@425 550
adamc@425 551 void uw_pop_cleanup(uw_context ctx) {
adamc@425 552 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 553 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 554
adamc@425 555 --ctx->cleanup_front;
adamc@425 556 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 557 }
adamc@425 558
adamc@311 559 char *uw_error_message(uw_context ctx) {
adamc@167 560 return ctx->error_message;
adamc@167 561 }
adamc@167 562
adamc@311 563 int uw_input_num(char*);
adamc@144 564
adamc@311 565 void uw_set_input(uw_context ctx, char *name, char *value) {
adamc@311 566 int n = uw_input_num(name);
adamc@144 567
adamc@169 568 if (n < 0)
adamc@311 569 uw_error(ctx, FATAL, "Bad input name %s", name);
adamc@144 570
adamc@311 571 if (n >= uw_inputs_len)
adamc@311 572 uw_error(ctx, FATAL, "For input name %s, index %d is out of range", name, n);
adamc@169 573
adamc@144 574 ctx->inputs[n] = value;
adamc@144 575
adamc@282 576 //printf("[%d] %s = %s\n", n, name, value);
adamc@144 577 }
adamc@144 578
adamc@311 579 char *uw_get_input(uw_context ctx, int n) {
adamc@169 580 if (n < 0)
adamc@311 581 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 582 if (n >= uw_inputs_len)
adamc@311 583 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@282 584 //printf("[%d] = %s\n", n, ctx->inputs[n]);
adamc@144 585 return ctx->inputs[n];
adamc@138 586 }
adamc@138 587
adamc@311 588 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 589 if (n < 0)
adamc@311 590 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 591 if (n >= uw_inputs_len)
adamc@311 592 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@426 593 //printf("[%d] = %s\n", n, ctx->inputs[n]);
adamc@190 594 return (ctx->inputs[n] == NULL ? "" : ctx->inputs[n]);
adamc@190 595 }
adamc@190 596
adamc@643 597 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 598 ctx->script_header = s;
adamc@643 599 }
adamc@643 600
adamc@667 601 void uw_set_url_prefix(uw_context ctx, const char *s) {
adamc@667 602 ctx->url_prefix = s;
adamc@667 603 }
adamc@667 604
adamc@667 605
adamc@667 606 static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc) {
adamc@666 607 if (b->back - b->front < extra) {
adamc@666 608 size_t desired = b->front - b->start + extra, next;
adamc@136 609 char *new_heap;
adamc@136 610
adamc@666 611 next = b->back - b->start;
adamc@317 612 if (next == 0)
adamc@317 613 next = 1;
adamc@317 614 for (; next < desired; next *= 2);
adamc@136 615
adamc@666 616 new_heap = realloc(b->start, next);
adamc@666 617 b->front = new_heap + (b->front - b->start);
adamc@666 618 b->back = new_heap + next;
adamc@136 619
adamc@667 620 if (new_heap != b->start) {
adamc@666 621 b->start = new_heap;
adamc@666 622 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 623 }
adamc@136 624
adamc@666 625 b->start = new_heap;
adamc@136 626 }
adamc@136 627 }
adamc@136 628
adamc@666 629 static void uw_check_heap(uw_context ctx, size_t extra) {
adamc@667 630 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
adamc@666 631 }
adamc@666 632
adamc@311 633 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 634 void *result;
adamc@136 635
adamc@311 636 uw_check_heap(ctx, len);
adamc@136 637
adamc@666 638 result = ctx->heap.front;
adamc@666 639 ctx->heap.front += len;
adamc@136 640 return result;
adamc@117 641 }
adamc@117 642
adamc@323 643 void uw_begin_region(uw_context ctx) {
adamc@666 644 regions *r = (regions *) ctx->heap.front;
adamc@323 645
adamc@323 646 uw_check_heap(ctx, sizeof(regions));
adamc@323 647
adamc@666 648 ctx->heap.front += sizeof(regions);
adamc@323 649
adamc@323 650 r->next = ctx->regions;
adamc@323 651 ctx->regions = r;
adamc@323 652 }
adamc@323 653
adamc@323 654 void uw_end_region(uw_context ctx) {
adamc@323 655 regions *r = ctx->regions;
adamc@323 656
adamc@323 657 if (r == NULL)
adamc@323 658 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 659
adamc@666 660 ctx->heap.front = (char *) r;
adamc@323 661 ctx->regions = r->next;
adamc@323 662 }
adamc@323 663
adamc@324 664 void uw_memstats(uw_context ctx) {
adamc@666 665 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
adamc@666 666 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
adamc@666 667 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
adamc@666 668 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
adamc@324 669 }
adamc@324 670
adamc@311 671 int uw_send(uw_context ctx, int sock) {
adamc@666 672 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 673
adamc@462 674 if (n < 0)
adamc@462 675 return n;
adamc@462 676
adamc@462 677 n = uw_really_send(sock, "\r\n", 2);
adamc@462 678
adamc@462 679 if (n < 0)
adamc@462 680 return n;
adamc@462 681
adamc@666 682 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 683 }
adamc@462 684
adamc@462 685 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@667 686 buf_check(&ctx->outHeaders, extra);
adamc@462 687 }
adamc@462 688
adamc@462 689 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 690 int len = strlen(s);
adamc@462 691
adamc@462 692 uw_check_headers(ctx, len + 1);
adamc@666 693 strcpy(ctx->outHeaders.front, s);
adamc@666 694 ctx->outHeaders.front += len;
adamc@562 695 }
adamc@562 696
adamc@562 697 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@667 698 buf_check(&ctx->script, extra);
adamc@562 699 }
adamc@562 700
adamc@562 701 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 702 int len = strlen(s);
adamc@562 703
adamc@562 704 uw_check_script(ctx, len + 1);
adamc@666 705 strcpy(ctx->script.front, s);
adamc@666 706 ctx->script.front += len;
adamc@562 707 }
adamc@562 708
adamc@645 709 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@667 710 if (ctx->script_header[0] == 0)
adamc@667 711 return "";
adamc@667 712 else {
adamc@667 713 int pass;
adamc@667 714 client *c = uw_new_client(&pass);
adamc@565 715
adamc@667 716 char *r = uw_malloc(ctx, strlen(ctx->script_header) + 56 + 2 * INTS_MAX + buf_used(&ctx->script)
adamc@667 717 + strlen(ctx->url_prefix));
adamc@667 718 sprintf(r, "%s<script>client_id=%d;client_pass=%d;url_prefix=\"%s\";%s</script>",
adamc@667 719 ctx->script_header, (int)c->id, c->data.used.pass, ctx->url_prefix, ctx->script.start);
adamc@565 720 return r;
adamc@565 721 }
adamc@565 722 }
adamc@565 723
adamc@668 724 const char *uw_Basis_get_listener(uw_context ctx, uw_Basis_string onload) {
adamc@667 725 if (ctx->script_header[0] == 0)
adamc@667 726 return "";
adamc@668 727 else if (onload[0] == 0)
adamc@667 728 return " onload='listener()'";
adamc@668 729 else {
adamc@668 730 uw_Basis_string s = uw_malloc(ctx, strlen(onload) + 22);
adamc@668 731
adamc@668 732 sprintf(s, " onload='listener();%s'", onload);
adamc@668 733 return s;
adamc@668 734 }
adamc@667 735 }
adamc@667 736
adamc@574 737 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 738 char *r, *s2;
adamc@574 739
adamc@574 740 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 741
adamc@666 742 r = s2 = ctx->heap.front;
adamc@574 743 *s2++ = '"';
adamc@574 744
adamc@574 745 for (; *s; s++) {
adamc@574 746 char c = *s;
adamc@574 747
adamc@574 748 switch (c) {
adamc@574 749 case '"':
adamc@574 750 strcpy(s2, "\\\"");
adamc@574 751 s2 += 2;
adamc@574 752 break;
adamc@574 753 case '\\':
adamc@574 754 strcpy(s2, "\\\\");
adamc@574 755 s2 += 2;
adamc@574 756 break;
adamc@574 757 default:
adamc@574 758 if (isprint(c))
adamc@574 759 *s2++ = c;
adamc@574 760 else {
adamc@574 761 sprintf(s2, "\\%3o", c);
adamc@574 762 s2 += 4;
adamc@574 763 }
adamc@574 764 }
adamc@574 765 }
adamc@574 766
adamc@574 767 strcpy(s2, "\"");
adamc@666 768 ctx->heap.front = s2 + 1;
adamc@574 769 return r;
adamc@574 770 }
adamc@574 771
adamc@574 772 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 773 char *r, *s2;
adamc@574 774
adamc@574 775 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 776
adamc@666 777 r = s2 = ctx->script.front;
adamc@574 778 *s2++ = '"';
adamc@574 779
adamc@574 780 for (; *s; s++) {
adamc@574 781 char c = *s;
adamc@574 782
adamc@574 783 switch (c) {
adamc@577 784 case '\'':
adamc@574 785 strcpy(s2, "\\\"");
adamc@574 786 s2 += 2;
adamc@574 787 break;
adamc@574 788 case '\\':
adamc@574 789 strcpy(s2, "\\\\");
adamc@574 790 s2 += 2;
adamc@574 791 break;
adamc@574 792 default:
adamc@574 793 if (isprint(c))
adamc@574 794 *s2++ = c;
adamc@574 795 else {
adamc@574 796 sprintf(s2, "\\%3o", c);
adamc@574 797 s2 += 4;
adamc@574 798 }
adamc@574 799 }
adamc@574 800 }
adamc@574 801
adamc@574 802 strcpy(s2, "\"");
adamc@666 803 ctx->script.front = s2 + 1;
adamc@574 804 return r;
adamc@574 805 }
adamc@574 806
adamc@577 807 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 808 int len;
adamc@577 809 size_t s_len = strlen(s);
adamc@562 810
adamc@577 811 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@666 812 sprintf(ctx->script.front, "var s%d=sc(%n", ctx->source_count, &len);
adamc@666 813 ctx->script.front += len;
adamc@666 814 strcpy(ctx->script.front, s);
adamc@666 815 ctx->script.front += s_len;
adamc@666 816 strcpy(ctx->script.front, ");");
adamc@666 817 ctx->script.front += 2;
adamc@562 818
adamc@565 819 return ctx->source_count++;
adamc@117 820 }
adamc@117 821
adamc@577 822 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 823 int len;
adamc@577 824 size_t s_len = strlen(s);
adamc@577 825
adamc@577 826 uw_check_script(ctx, 6 + INTS_MAX + s_len);
adamc@666 827 sprintf(ctx->script.front, "s%d.v=%n", (int)n, &len);
adamc@666 828 ctx->script.front += len;
adamc@666 829 strcpy(ctx->script.front, s);
adamc@666 830 ctx->script.front += s_len;
adamc@666 831 strcpy(ctx->script.front, ";");
adamc@666 832 ctx->script.front++;
adamc@577 833
adamc@577 834 return uw_unit_v;
adamc@577 835 }
adamc@577 836
adamc@311 837 static void uw_check(uw_context ctx, size_t extra) {
adamc@667 838 buf_check(&ctx->page, extra);
adamc@117 839 }
adamc@117 840
adamc@311 841 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 842 *(ctx->page.front)++ = c;
adamc@117 843 }
adamc@117 844
adamc@311 845 void uw_writec(uw_context ctx, char c) {
adamc@311 846 uw_check(ctx, 1);
adamc@311 847 uw_writec_unsafe(ctx, c);
adamc@117 848 }
adamc@117 849
adamc@311 850 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 851 int len = strlen(s);
adamc@666 852 memcpy(ctx->page.front, s, len);
adamc@666 853 ctx->page.front += len;
adamc@117 854 }
adamc@117 855
adamc@311 856 void uw_write(uw_context ctx, const char* s) {
adamc@311 857 uw_check(ctx, strlen(s) + 1);
adamc@311 858 uw_write_unsafe(ctx, s);
adamc@666 859 *ctx->page.front = 0;
adamc@102 860 }
adamc@106 861
adamc@311 862 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 863 char *result;
adamc@136 864 int len;
adamc@311 865 uw_check_heap(ctx, INTS_MAX);
adamc@666 866 result = ctx->heap.front;
adamc@276 867 sprintf(result, "%lld%n", n, &len);
adamc@666 868 ctx->heap.front += len+1;
adamc@136 869 return result;
adamc@106 870 }
adamc@106 871
adamc@311 872 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 873 char *result;
adamc@136 874 int len;
adamc@311 875 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 876 result = ctx->heap.front;
adamc@136 877 sprintf(result, "%g%n", n, &len);
adamc@666 878 ctx->heap.front += len+1;
adamc@136 879 return result;
adamc@106 880 }
adamc@106 881
adamc@311 882 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 883 int len = strlen(s);
adamc@136 884 char *result, *p;
adamc@311 885 uw_check_heap(ctx, len * 6 + 1);
adamc@136 886
adamc@666 887 result = p = ctx->heap.front;
adamc@136 888
adamc@136 889 for (; *s; s++) {
adamc@136 890 char c = *s;
adamc@136 891
adamc@136 892 if (c == '"') {
adamc@136 893 strcpy(p, "&quot;");
adamc@136 894 p += 6;
adamc@136 895 } else if (c == '&') {
adamc@136 896 strcpy(p, "&amp;");
adamc@136 897 p += 5;
adamc@136 898 }
adamc@136 899 else if (isprint(c))
adamc@136 900 *p++ = c;
adamc@136 901 else {
adamc@136 902 int len2;
adamc@136 903 sprintf(p, "&#%d;%n", c, &len2);
adamc@136 904 p += len2;
adamc@136 905 }
adamc@136 906 }
adamc@136 907
adamc@137 908 *p++ = 0;
adamc@666 909 ctx->heap.front = p;
adamc@136 910 return result;
adamc@106 911 }
adamc@106 912
adamc@311 913 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 914 int len;
adamc@117 915
adamc@666 916 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 917 ctx->page.front += len;
adamc@106 918 }
adamc@106 919
adamc@428 920 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 921 uw_check(ctx, INTS_MAX);
adamc@311 922 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 923
adamc@428 924 return uw_unit_v;
adamc@106 925 }
adamc@106 926
adamc@428 927 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 928 int len;
adamc@117 929
adamc@311 930 uw_check(ctx, FLOATS_MAX);
adamc@666 931 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 932 ctx->page.front += len;
adamc@428 933
adamc@428 934 return uw_unit_v;
adamc@117 935 }
adamc@117 936
adamc@428 937 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 938 uw_check(ctx, strlen(s) * 6);
adamc@117 939
adamc@106 940 for (; *s; s++) {
adamc@106 941 char c = *s;
adamc@106 942
adamc@106 943 if (c == '"')
adamc@311 944 uw_write_unsafe(ctx, "&quot;");
adamc@136 945 else if (c == '&')
adamc@311 946 uw_write_unsafe(ctx, "&amp;");
adamc@106 947 else if (isprint(c))
adamc@311 948 uw_writec_unsafe(ctx, c);
adamc@106 949 else {
adamc@311 950 uw_write_unsafe(ctx, "&#");
adamc@311 951 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 952 uw_writec_unsafe(ctx, ';');
adamc@106 953 }
adamc@106 954 }
adamc@428 955
adamc@428 956 return uw_unit_v;
adamc@106 957 }
adamc@120 958
adamc@120 959
adamc@311 960 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 961 int len;
adamc@137 962 char *r;
adamc@137 963
adamc@311 964 uw_check_heap(ctx, INTS_MAX);
adamc@666 965 r = ctx->heap.front;
adamc@276 966 sprintf(r, "%lld%n", n, &len);
adamc@666 967 ctx->heap.front += len+1;
adamc@137 968 return r;
adamc@120 969 }
adamc@120 970
adamc@311 971 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 972 int len;
adamc@137 973 char *r;
adamc@137 974
adamc@311 975 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 976 r = ctx->heap.front;
adamc@137 977 sprintf(r, "%g%n", n, &len);
adamc@666 978 ctx->heap.front += len+1;
adamc@137 979 return r;
adamc@120 980 }
adamc@120 981
adamc@311 982 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 983 char *r, *p;
adamc@137 984
adamc@311 985 uw_check_heap(ctx, strlen(s) * 3 + 1);
adamc@137 986
adamc@666 987 for (r = p = ctx->heap.front; *s; s++) {
adamc@137 988 char c = *s;
adamc@137 989
adamc@137 990 if (c == ' ')
adamc@137 991 *p++ = '+';
adamc@137 992 else if (isalnum(c))
adamc@137 993 *p++ = c;
adamc@137 994 else {
adamc@137 995 sprintf(p, "%%%02X", c);
adamc@137 996 p += 3;
adamc@137 997 }
adamc@137 998 }
adamc@137 999
adamc@137 1000 *p++ = 0;
adamc@666 1001 ctx->heap.front = p;
adamc@137 1002 return r;
adamc@120 1003 }
adamc@120 1004
adamc@311 1005 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1006 if (b == uw_Basis_False)
adamc@186 1007 return "0";
adamc@186 1008 else
adamc@186 1009 return "1";
adamc@186 1010 }
adamc@186 1011
adamc@311 1012 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1013 int len;
adamc@120 1014
adamc@666 1015 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1016 ctx->page.front += len;
adamc@120 1017 }
adamc@120 1018
adamc@428 1019 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1020 uw_check(ctx, INTS_MAX);
adamc@311 1021 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1022
adamc@428 1023 return uw_unit_v;
adamc@120 1024 }
adamc@120 1025
adamc@428 1026 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1027 int len;
adamc@120 1028
adamc@311 1029 uw_check(ctx, FLOATS_MAX);
adamc@666 1030 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1031 ctx->page.front += len;
adamc@428 1032
adamc@428 1033 return uw_unit_v;
adamc@120 1034 }
adamc@120 1035
adamc@488 1036 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1037 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1038 }
adamc@488 1039
adamc@428 1040 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1041 uw_check(ctx, strlen(s) * 3);
adamc@120 1042
adamc@120 1043 for (; *s; s++) {
adamc@120 1044 char c = *s;
adamc@120 1045
adamc@120 1046 if (c == ' ')
adamc@311 1047 uw_writec_unsafe(ctx, '+');
adamc@120 1048 else if (isalnum(c))
adamc@311 1049 uw_writec_unsafe(ctx, c);
adamc@120 1050 else {
adamc@666 1051 sprintf(ctx->page.front, "%%%02X", c);
adamc@666 1052 ctx->page.front += 3;
adamc@120 1053 }
adamc@120 1054 }
adamc@428 1055
adamc@428 1056 return uw_unit_v;
adamc@120 1057 }
adamc@120 1058
adamc@428 1059 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1060 if (b == uw_Basis_False)
adamc@311 1061 uw_writec(ctx, '0');
adamc@186 1062 else
adamc@311 1063 uw_writec(ctx, '1');
adamc@428 1064
adamc@428 1065 return uw_unit_v;
adamc@186 1066 }
adamc@186 1067
adamc@120 1068
adamc@311 1069 static char *uw_unurlify_advance(char *s) {
adamc@144 1070 char *new_s = strchr(s, '/');
adamc@120 1071
adamc@120 1072 if (new_s)
adamc@120 1073 *new_s++ = 0;
adamc@120 1074 else
adamc@144 1075 new_s = strchr(s, 0);
adamc@144 1076
adamc@144 1077 return new_s;
adamc@144 1078 }
adamc@144 1079
adamc@311 1080 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1081 char *new_s = uw_unurlify_advance(*s);
adamc@311 1082 uw_Basis_int r;
adamc@120 1083
adamc@276 1084 r = atoll(*s);
adamc@120 1085 *s = new_s;
adamc@120 1086 return r;
adamc@120 1087 }
adamc@120 1088
adamc@668 1089 uw_Basis_channel uw_Basis_unurlifyChannel(uw_context ctx, char **s) {
adamc@668 1090 return uw_Basis_unurlifyInt(ctx, s);
adamc@668 1091 }
adamc@668 1092
adamc@311 1093 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1094 char *new_s = uw_unurlify_advance(*s);
adamc@311 1095 uw_Basis_float r;
adamc@120 1096
adamc@120 1097 r = atof(*s);
adamc@120 1098 *s = new_s;
adamc@120 1099 return r;
adamc@120 1100 }
adamc@120 1101
adamc@488 1102 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1103 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1104 }
adamc@488 1105
adamc@311 1106 static uw_Basis_string uw_unurlifyString_to(uw_context ctx, char *r, char *s) {
adamc@144 1107 char *s1, *s2;
adamc@144 1108 int n;
adamc@136 1109
adamc@144 1110 for (s1 = r, s2 = s; *s2; ++s1, ++s2) {
adamc@136 1111 char c = *s2;
adamc@136 1112
adamc@136 1113 switch (c) {
adamc@136 1114 case '+':
adamc@136 1115 *s1 = ' ';
adamc@136 1116 break;
adamc@136 1117 case '%':
adamc@169 1118 if (s2[1] == 0)
adamc@311 1119 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1120 if (s2[2] == 0)
adamc@311 1121 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1122 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1123 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1124 *s1 = n;
adamc@136 1125 s2 += 2;
adamc@136 1126 break;
adamc@136 1127 default:
adamc@136 1128 *s1 = c;
adamc@136 1129 }
adamc@136 1130 }
adamc@136 1131 *s1++ = 0;
adamc@144 1132 return s1;
adamc@144 1133 }
adamc@144 1134
adamc@311 1135 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1136 char *new_s = uw_unurlify_advance(*s);
adamc@311 1137 uw_Basis_bool r;
adamc@186 1138
adamc@186 1139 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1140 r = uw_Basis_False;
adamc@186 1141 else
adamc@311 1142 r = uw_Basis_True;
adamc@186 1143
adamc@186 1144 *s = new_s;
adamc@186 1145 return r;
adamc@186 1146 }
adamc@186 1147
adamc@311 1148 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1149 char *new_s = uw_unurlify_advance(*s);
adamc@144 1150 char *r, *s1, *s2;
adamc@144 1151 int len, n;
adamc@144 1152
adamc@200 1153 len = strlen(*s);
adamc@311 1154 uw_check_heap(ctx, len + 1);
adamc@144 1155
adamc@666 1156 r = ctx->heap.front;
adamc@666 1157 ctx->heap.front = uw_unurlifyString_to(ctx, ctx->heap.front, *s);
adamc@136 1158 *s = new_s;
adamc@136 1159 return r;
adamc@120 1160 }
adamc@135 1161
adamc@135 1162
adamc@311 1163 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1164 int len;
adamc@286 1165 char *r;
adamc@286 1166
adamc@311 1167 uw_check_heap(ctx, INTS_MAX);
adamc@666 1168 r = ctx->heap.front;
adamc@286 1169 sprintf(r, "%lld%n", n, &len);
adamc@666 1170 ctx->heap.front += len+1;
adamc@286 1171 return r;
adamc@286 1172 }
adamc@286 1173
adamc@428 1174 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1175 int len;
adamc@286 1176
adamc@311 1177 uw_check(ctx, INTS_MAX);
adamc@666 1178 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1179 ctx->page.front += len;
adamc@428 1180
adamc@428 1181 return uw_unit_v;
adamc@286 1182 }
adamc@286 1183
adamc@668 1184 char *uw_Basis_htmlifyChannel(uw_context ctx, uw_Basis_channel ch) {
adamc@668 1185 return uw_Basis_htmlifyInt(ctx, ch);
adamc@668 1186 }
adamc@668 1187
adamc@311 1188 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1189 int len;
adamc@286 1190 char *r;
adamc@286 1191
adamc@311 1192 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1193 r = ctx->heap.front;
adamc@286 1194 sprintf(r, "%g%n", n, &len);
adamc@666 1195 ctx->heap.front += len+1;
adamc@286 1196 return r;
adamc@286 1197 }
adamc@286 1198
adamc@428 1199 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1200 int len;
adamc@286 1201
adamc@311 1202 uw_check(ctx, FLOATS_MAX);
adamc@666 1203 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1204 ctx->page.front += len;
adamc@428 1205
adamc@428 1206 return uw_unit_v;
adamc@286 1207 }
adamc@286 1208
adamc@311 1209 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1210 char *r, *s2;
adamc@137 1211
adamc@311 1212 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 1213
adamc@666 1214 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@137 1215 char c = *s;
adamc@137 1216
adamc@137 1217 switch (c) {
adamc@137 1218 case '<':
adamc@137 1219 strcpy(s2, "&lt;");
adamc@137 1220 s2 += 4;
adamc@137 1221 break;
adamc@137 1222 case '&':
adamc@137 1223 strcpy(s2, "&amp;");
adamc@137 1224 s2 += 5;
adamc@137 1225 break;
adamc@137 1226 default:
adamc@137 1227 if (isprint(c))
adamc@137 1228 *s2++ = c;
adamc@137 1229 else {
adamc@137 1230 int len2;
adamc@137 1231 sprintf(s2, "&#%d;%n", c, &len2);
adamc@137 1232 s2 += len2;
adamc@137 1233 }
adamc@137 1234 }
adamc@137 1235 }
adamc@137 1236
adamc@137 1237 *s2++ = 0;
adamc@666 1238 ctx->heap.front = s2;
adamc@137 1239 return r;
adamc@135 1240 }
adamc@135 1241
adamc@428 1242 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 1243 uw_check(ctx, strlen(s) * 6);
adamc@135 1244
adamc@135 1245 for (; *s; s++) {
adamc@135 1246 char c = *s;
adamc@135 1247
adamc@135 1248 switch (c) {
adamc@135 1249 case '<':
adamc@311 1250 uw_write_unsafe(ctx, "&lt;");
adamc@135 1251 break;
adamc@135 1252 case '&':
adamc@311 1253 uw_write_unsafe(ctx, "&amp;");
adamc@135 1254 break;
adamc@135 1255 default:
adamc@135 1256 if (isprint(c))
adamc@311 1257 uw_writec_unsafe(ctx, c);
adamc@135 1258 else {
adamc@311 1259 uw_write_unsafe(ctx, "&#");
adamc@311 1260 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 1261 uw_writec_unsafe(ctx, ';');
adamc@135 1262 }
adamc@135 1263 }
adamc@135 1264 }
adamc@428 1265
adamc@428 1266 return uw_unit_v;
adamc@135 1267 }
adamc@180 1268
adamc@311 1269 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1270 if (b == uw_Basis_False)
adamc@286 1271 return "False";
adamc@286 1272 else
adamc@286 1273 return "True";
adamc@286 1274 }
adamc@286 1275
adamc@428 1276 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1277 if (b == uw_Basis_False) {
adamc@311 1278 uw_check(ctx, 6);
adamc@666 1279 strcpy(ctx->page.front, "False");
adamc@666 1280 ctx->page.front += 5;
adamc@286 1281 } else {
adamc@311 1282 uw_check(ctx, 5);
adamc@666 1283 strcpy(ctx->page.front, "True");
adamc@666 1284 ctx->page.front += 4;
adamc@286 1285 }
adamc@428 1286
adamc@428 1287 return uw_unit_v;
adamc@286 1288 }
adamc@286 1289
adamc@436 1290 #define TIME_FMT "%x %X"
adamc@438 1291 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 1292
adamc@436 1293 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 1294 size_t len;
adamc@436 1295 char *r;
adamc@436 1296 struct tm stm;
adamc@436 1297
adamc@436 1298 if (localtime_r(&t, &stm)) {
adamc@436 1299 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1300 r = ctx->heap.front;
adamc@436 1301 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1302 ctx->heap.front += len+1;
adamc@436 1303 return r;
adamc@436 1304 } else
adamc@436 1305 return "<i>Invalid time</i>";
adamc@436 1306 }
adamc@436 1307
adamc@436 1308 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 1309 size_t len;
adamc@436 1310 char *r;
adamc@436 1311 struct tm stm;
adamc@436 1312
adamc@436 1313 if (localtime_r(&t, &stm)) {
adamc@436 1314 uw_check(ctx, TIMES_MAX);
adamc@666 1315 r = ctx->page.front;
adamc@436 1316 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1317 ctx->page.front += len;
adamc@436 1318 } else {
adamc@436 1319 uw_check(ctx, 20);
adamc@666 1320 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 1321 ctx->page.front += 19;
adamc@436 1322 }
adamc@436 1323
adamc@436 1324 return uw_unit_v;
adamc@436 1325 }
adamc@436 1326
adamc@311 1327 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@180 1328 int len = strlen(s1) + strlen(s2) + 1;
adamc@180 1329 char *s;
adamc@180 1330
adamc@311 1331 uw_check_heap(ctx, len);
adamc@180 1332
adamc@666 1333 s = ctx->heap.front;
adamc@180 1334
adamc@180 1335 strcpy(s, s1);
adamc@180 1336 strcat(s, s2);
adamc@666 1337 ctx->heap.front += len;
adamc@180 1338
adamc@180 1339 return s;
adamc@180 1340 }
adamc@278 1341
adamc@311 1342 uw_Basis_string uw_Basis_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@278 1343 int len = strlen(s1) + 1;
adamc@278 1344 char *s;
adamc@278 1345
adamc@311 1346 uw_check_heap(ctx, len);
adamc@278 1347
adamc@666 1348 s = ctx->heap.front;
adamc@278 1349
adamc@278 1350 strcpy(s, s1);
adamc@666 1351 ctx->heap.front += len;
adamc@278 1352
adamc@278 1353 return s;
adamc@278 1354 }
adamc@280 1355
adamc@493 1356 uw_Basis_string uw_Basis_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 1357 if (s1)
adamc@493 1358 return uw_Basis_strdup(ctx, s1);
adamc@493 1359 else
adamc@493 1360 return NULL;
adamc@493 1361 }
adamc@493 1362
adamc@280 1363
adamc@311 1364 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 1365 int len;
adamc@281 1366 char *r;
adamc@281 1367
adamc@311 1368 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 1369 r = ctx->heap.front;
adamc@281 1370 sprintf(r, "%lld::int8%n", n, &len);
adamc@666 1371 ctx->heap.front += len+1;
adamc@281 1372 return r;
adamc@281 1373 }
adamc@281 1374
adamc@467 1375 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 1376 if (n == NULL)
adamc@467 1377 return "NULL";
adamc@467 1378 else
adamc@467 1379 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 1380 }
adamc@467 1381
adamc@311 1382 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 1383 int len;
adamc@281 1384 char *r;
adamc@281 1385
adamc@311 1386 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 1387 r = ctx->heap.front;
adamc@281 1388 sprintf(r, "%g::float8%n", n, &len);
adamc@666 1389 ctx->heap.front += len+1;
adamc@281 1390 return r;
adamc@281 1391 }
adamc@281 1392
adamc@467 1393 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 1394 if (n == NULL)
adamc@467 1395 return "NULL";
adamc@467 1396 else
adamc@467 1397 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 1398 }
adamc@467 1399
adamc@281 1400
adamc@311 1401 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 1402 char *r, *s2;
adamc@280 1403
adamc@311 1404 uw_check_heap(ctx, strlen(s) * 2 + 10);
adamc@280 1405
adamc@666 1406 r = s2 = ctx->heap.front;
adamc@280 1407 *s2++ = 'E';
adamc@280 1408 *s2++ = '\'';
adamc@280 1409
adamc@280 1410 for (; *s; s++) {
adamc@280 1411 char c = *s;
adamc@280 1412
adamc@280 1413 switch (c) {
adamc@280 1414 case '\'':
adamc@280 1415 strcpy(s2, "\\'");
adamc@280 1416 s2 += 2;
adamc@280 1417 break;
adamc@280 1418 case '\\':
adamc@280 1419 strcpy(s2, "\\\\");
adamc@280 1420 s2 += 2;
adamc@280 1421 break;
adamc@280 1422 default:
adamc@280 1423 if (isprint(c))
adamc@280 1424 *s2++ = c;
adamc@280 1425 else {
adamc@280 1426 sprintf(s2, "\\%3o", c);
adamc@280 1427 s2 += 4;
adamc@280 1428 }
adamc@280 1429 }
adamc@280 1430 }
adamc@280 1431
adamc@281 1432 strcpy(s2, "'::text");
adamc@666 1433 ctx->heap.front = s2 + 8;
adamc@280 1434 return r;
adamc@280 1435 }
adamc@281 1436
adamc@467 1437 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 1438 if (s == NULL)
adamc@467 1439 return "NULL";
adamc@467 1440 else
adamc@467 1441 return uw_Basis_sqlifyString(ctx, s);
adamc@467 1442 }
adamc@467 1443
adamc@311 1444 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1445 if (b == uw_Basis_False)
adamc@281 1446 return "FALSE";
adamc@281 1447 else
adamc@281 1448 return "TRUE";
adamc@281 1449 }
adamc@282 1450
adamc@467 1451 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 1452 if (b == NULL)
adamc@467 1453 return "NULL";
adamc@467 1454 else
adamc@467 1455 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 1456 }
adamc@467 1457
adamc@439 1458 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 1459 size_t len;
adamc@439 1460 char *r;
adamc@439 1461 struct tm stm;
adamc@439 1462
adamc@439 1463 if (localtime_r(&t, &stm)) {
adamc@439 1464 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1465 r = ctx->heap.front;
adamc@439 1466 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1467 ctx->heap.front += len+1;
adamc@439 1468 return r;
adamc@439 1469 } else
adamc@439 1470 return "<Invalid time>";
adamc@439 1471 }
adamc@439 1472
adamc@467 1473 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 1474 if (t == NULL)
adamc@467 1475 return "NULL";
adamc@467 1476 else
adamc@467 1477 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 1478 }
adamc@467 1479
adamc@311 1480 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 1481 static uw_Basis_int true = 1;
adamc@311 1482 static uw_Basis_int false = 0;
adamc@282 1483
adamc@311 1484 if (b == uw_Basis_False)
adamc@282 1485 return (char *)&false;
adamc@282 1486 else
adamc@282 1487 return (char *)&true;
adamc@282 1488 }
adamc@284 1489
adamc@311 1490 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 1491 int len;
adamc@284 1492 char *r;
adamc@284 1493
adamc@311 1494 uw_check_heap(ctx, INTS_MAX);
adamc@666 1495 r = ctx->heap.front;
adamc@284 1496 sprintf(r, "%lld%n", n, &len);
adamc@666 1497 ctx->heap.front += len+1;
adamc@284 1498 return r;
adamc@284 1499 }
adamc@285 1500
adamc@311 1501 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 1502 int len;
adamc@285 1503 char *r;
adamc@285 1504
adamc@311 1505 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1506 r = ctx->heap.front;
adamc@285 1507 sprintf(r, "%g%n", n, &len);
adamc@666 1508 ctx->heap.front += len+1;
adamc@285 1509 return r;
adamc@285 1510 }
adamc@285 1511
adamc@311 1512 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 1513 if (b == uw_Basis_False)
adamc@285 1514 return "False";
adamc@285 1515 else
adamc@285 1516 return "True";
adamc@285 1517 }
adamc@288 1518
adamc@436 1519 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 1520 size_t len;
adamc@436 1521 char *r;
adamc@436 1522 struct tm stm;
adamc@436 1523
adamc@436 1524 if (localtime_r(&t, &stm)) {
adamc@436 1525 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1526 r = ctx->heap.front;
adamc@436 1527 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1528 ctx->heap.front += len+1;
adamc@436 1529 return r;
adamc@436 1530 } else
adamc@436 1531 return "<Invalid time>";
adamc@436 1532 }
adamc@288 1533
adamc@311 1534 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 1535 char *endptr;
adamc@311 1536 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 1537
adamc@288 1538 if (*s != '\0' && *endptr == '\0') {
adamc@311 1539 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 1540 *r = n;
adamc@288 1541 return r;
adamc@288 1542 } else
adamc@288 1543 return NULL;
adamc@288 1544 }
adamc@289 1545
adamc@311 1546 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 1547 char *endptr;
adamc@311 1548 uw_Basis_float n = strtod(s, &endptr);
adamc@289 1549
adamc@289 1550 if (*s != '\0' && *endptr == '\0') {
adamc@311 1551 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 1552 *r = n;
adamc@289 1553 return r;
adamc@289 1554 } else
adamc@289 1555 return NULL;
adamc@289 1556 }
adamc@289 1557
adamc@311 1558 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 1559 static uw_Basis_bool true = uw_Basis_True;
adamc@311 1560 static uw_Basis_bool false = uw_Basis_False;
adamc@289 1561
adamc@289 1562 if (!strcasecmp (s, "True"))
adamc@289 1563 return &true;
adamc@289 1564 else if (!strcasecmp (s, "False"))
adamc@289 1565 return &false;
adamc@289 1566 else
adamc@289 1567 return NULL;
adamc@289 1568 }
adamc@292 1569
adamc@436 1570 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 1571 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 1572 struct tm stm;
adamc@436 1573
adamc@439 1574 if (dot) {
adamc@439 1575 *dot = 0;
adamc@439 1576 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 1577 *dot = '.';
adamc@439 1578 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 1579 *r = mktime(&stm);
adamc@439 1580 return r;
adamc@439 1581 }
adamc@439 1582 else {
adamc@439 1583 *dot = '.';
adamc@439 1584 return NULL;
adamc@439 1585 }
adamc@436 1586 }
adamc@439 1587 else {
adamc@439 1588 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 1589 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 1590 *r = mktime(&stm);
adamc@439 1591 return r;
adamc@439 1592 }
adamc@439 1593 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 1594 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 1595 *r = mktime(&stm);
adamc@439 1596 return r;
adamc@439 1597 }
adamc@439 1598 else
adamc@439 1599 return NULL;
adamc@439 1600 }
adamc@436 1601 }
adamc@436 1602
adamc@311 1603 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 1604 char *endptr;
adamc@311 1605 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 1606
adamc@292 1607 if (*s != '\0' && *endptr == '\0')
adamc@292 1608 return n;
adamc@292 1609 else
adamc@311 1610 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 1611 }
adamc@293 1612
adamc@311 1613 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 1614 char *endptr;
adamc@311 1615 uw_Basis_float n = strtod(s, &endptr);
adamc@293 1616
adamc@293 1617 if (*s != '\0' && *endptr == '\0')
adamc@293 1618 return n;
adamc@293 1619 else
adamc@311 1620 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 1621 }
adamc@293 1622
adamc@311 1623 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 1624 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 1625 return uw_Basis_True;
adamc@296 1626 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 1627 return uw_Basis_False;
adamc@293 1628 else
adamc@311 1629 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 1630 }
adamc@436 1631
adamc@436 1632 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 1633 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 1634 struct tm stm = {};
adamc@436 1635
adamc@438 1636 if (dot) {
adamc@438 1637 *dot = 0;
adamc@438 1638 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 1639 *dot = '.';
adamc@438 1640 return mktime(&stm);
adamc@438 1641 }
adamc@438 1642 else {
adamc@438 1643 *dot = '.';
adamc@438 1644 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 1645 }
adamc@438 1646 }
adamc@438 1647 else {
adamc@439 1648 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 1649 return mktime(&stm);
adamc@439 1650 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 1651 return mktime(&stm);
adamc@438 1652 else
adamc@438 1653 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 1654 }
adamc@436 1655 }
adamc@457 1656
adamc@457 1657 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@457 1658 int len = strlen(h);
adamc@457 1659 char *s = ctx->headers, *p;
adamc@457 1660
adamc@457 1661 while (p = strchr(s, ':')) {
adamc@457 1662 if (p - s == len && !strncasecmp(s, h, len)) {
adamc@458 1663 return p + 2;
adamc@457 1664 } else {
adamc@458 1665 if ((s = strchr(p, 0)) && s < ctx->headers_end)
adamc@458 1666 s += 2;
adamc@457 1667 else
adamc@457 1668 return NULL;
adamc@457 1669 }
adamc@457 1670 }
adamc@463 1671 }
adamc@458 1672
adamc@463 1673 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 1674 int len = strlen(c);
adamc@666 1675 char *s = ctx->headers, *p = ctx->outHeaders.start;
adamc@474 1676
adamc@474 1677 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474 1678 char *p2;
adamc@474 1679 p += 13;
adamc@474 1680 p2 = strchr(p, '=');
adamc@474 1681
adamc@474 1682 if (p2) {
adamc@474 1683 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 1684
adamc@474 1685 if (!strncasecmp(p, c, p2 - p)) {
adamc@474 1686 char *ret = uw_malloc(ctx, sz + 1);
adamc@474 1687 memcpy(ret, p2+1, sz);
adamc@474 1688 ret[sz] = 0;
adamc@474 1689 return ret;
adamc@474 1690 }
adamc@474 1691 }
adamc@474 1692 }
adamc@463 1693
adamc@463 1694 while (p = strchr(s, ':')) {
adamc@476 1695 if (!strncasecmp(s, "Cookie: ", 8)) {
adamc@476 1696 p += 2;
adamc@476 1697 while (1) {
adamc@476 1698 if (!strncmp(p, c, len)
adamc@476 1699 && p + len < ctx->headers_end && p[len] == '=')
adamc@476 1700 return p + 1 + len;
adamc@476 1701 else if (p = strchr(p, ';'))
adamc@476 1702 p += 2;
adamc@476 1703 else if ((s = strchr(s, 0)) && s < ctx->headers_end) {
adamc@476 1704 s += 2;
adamc@476 1705 break;
adamc@476 1706 }
adamc@476 1707 else
adamc@476 1708 return NULL;
adamc@476 1709 }
adamc@463 1710 } else {
adamc@463 1711 if ((s = strchr(p, 0)) && s < ctx->headers_end)
adamc@463 1712 s += 2;
adamc@463 1713 else
adamc@463 1714 return NULL;
adamc@463 1715 }
adamc@463 1716 }
adamc@457 1717 }
adamc@462 1718
adamc@466 1719 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
adamc@462 1720 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 1721 uw_write_header(ctx, c);
adamc@462 1722 uw_write_header(ctx, "=");
adamc@462 1723 uw_write_header(ctx, v);
adamc@466 1724 uw_write_header(ctx, "; path=");
adamc@466 1725 uw_write_header(ctx, prefix);
adamc@462 1726 uw_write_header(ctx, "\r\n");
adamc@462 1727
adamc@462 1728 return uw_unit_v;
adamc@462 1729 }
adamc@667 1730
adamc@668 1731 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@668 1732 return uw_new_channel()->id;
adamc@668 1733 }
adamc@667 1734
adamc@668 1735 uw_unit uw_Basis_subscribe(uw_context ctx, uw_Basis_channel chn) {
adamc@668 1736 channel *ch = uw_find_channel(chn);
adamc@668 1737
adamc@668 1738 if (ch == NULL)
adamc@668 1739 uw_error(ctx, FATAL, "Bad channel ID %d", (int)chn);
adamc@668 1740 else {
adamc@668 1741 size_t id = atoi(uw_Basis_requestHeader(ctx, "UrWeb-Client"));
adamc@668 1742 int pass = atoi(uw_Basis_requestHeader(ctx, "UrWeb-Pass"));
adamc@668 1743 client *c = uw_find_client(id);
adamc@668 1744
adamc@668 1745 if (c == NULL)
adamc@668 1746 uw_error(ctx, FATAL, "Unknown client ID in subscription request");
adamc@668 1747 else if (c->data.used.pass != pass)
adamc@668 1748 uw_error(ctx, FATAL, "Wrong client password in subscription request");
adamc@668 1749 else
adamc@668 1750 uw_subscribe(ch, c);
adamc@668 1751 }
adamc@668 1752 }
adamc@668 1753
adamc@668 1754 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@668 1755 channel *ch = uw_find_channel(chn);
adamc@668 1756
adamc@668 1757 if (ch == NULL)
adamc@668 1758 uw_error(ctx, FATAL, "Bad channel ID %d", (int)chn);
adamc@668 1759 else
adamc@668 1760 uw_channel_send(ch, msg);
adamc@668 1761 }