annotate src/c/urweb.c @ 1386:64724ef86149

Basis.currentUrlHasPost
author Adam Chlipala <adam@chlipala.net>
date Thu, 06 Jan 2011 14:45:52 -0500
parents 86d23010ea74
children 3913cbfd72e9
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1360 16 #include <crypt.h>
adam@1374 17 #include <time.h>
adamc@102 18
adamc@667 19 #include <pthread.h>
adamc@667 20
adamc@102 21 #include "types.h"
adamc@102 22
adamc@311 23 uw_unit uw_unit_v = {};
adamc@102 24
adamc@667 25
adamc@667 26 // Socket extras
adamc@667 27
adamc@863 28 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 29 while (len > 0) {
adamc@856 30 ssize_t n = send(sock, buf, len, 0);
adamc@856 31
adamc@856 32 if (n < 0)
adamc@856 33 return n;
adamc@856 34
adamc@856 35 buf += n;
adamc@856 36 len -= n;
adamc@856 37 }
adamc@856 38
adamc@856 39 return 0;
adamc@856 40 }
adamc@856 41
adamc@856 42 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 43 while (len > 0) {
adamc@856 44 ssize_t n = write(fd, buf, len);
adamc@667 45
adamc@667 46 if (n < 0)
adamc@667 47 return n;
adamc@667 48
adamc@667 49 buf += n;
adamc@667 50 len -= n;
adamc@667 51 }
adamc@667 52
adamc@667 53 return 0;
adamc@667 54 }
adamc@667 55
adamc@667 56
adamc@667 57 // Buffers
adamc@667 58
adam@1369 59 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 60 b->max = max;
adamc@667 61 b->front = b->start = malloc(s);
adamc@667 62 b->back = b->front + s;
adamc@667 63 }
adamc@667 64
adam@1369 65 void uw_buffer_free(uw_buffer *b) {
adamc@667 66 free(b->start);
adamc@667 67 }
adamc@667 68
adam@1369 69 void uw_buffer_reset(uw_buffer *b) {
adamc@667 70 b->front = b->start;
adamc@667 71 }
adamc@667 72
adam@1369 73 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 74 if (b->back - b->front < extra) {
adamc@667 75 size_t desired = b->front - b->start + extra, next;
adamc@667 76 char *new_heap;
adamc@667 77
adamc@667 78 next = b->back - b->start;
adamc@667 79 if (next == 0)
adamc@667 80 next = 1;
adamc@667 81 for (; next < desired; next *= 2);
adamc@667 82
adamc@1134 83 if (next > b->max) {
adamc@1113 84 if (desired <= b->max)
adamc@1113 85 next = desired;
adamc@1113 86 else
adamc@1113 87 return 1;
adamc@1134 88 }
adamc@1113 89
adamc@667 90 new_heap = realloc(b->start, next);
adamc@667 91 b->front = new_heap + (b->front - b->start);
adamc@667 92 b->back = new_heap + next;
adamc@667 93 b->start = new_heap;
adamc@667 94 }
adamc@1113 95
adamc@1113 96 return 0;
adamc@1113 97 }
adamc@1113 98
adamc@1113 99 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 100
adam@1369 101 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 102 if (uw_buffer_check(b, extra))
adamc@1113 103 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 104 }
adamc@667 105
adam@1369 106 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 107 return b->front - b->start;
adamc@667 108 }
adamc@667 109
adam@1369 110 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 111 return b->back - b->start;
adamc@667 112 }
adamc@667 113
adam@1369 114 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 115 if (uw_buffer_check(b, len+1))
adamc@1113 116 return 1;
adamc@1113 117
adamc@1113 118 memcpy(b->front, s, len);
adamc@1113 119 b->front += len;
adamc@1113 120 *b->front = 0;
adamc@1113 121
adamc@1113 122 return 0;
adamc@1113 123 }
adamc@1113 124
adam@1369 125 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 126 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 127
adamc@668 128 memcpy(b->front, s, len);
adamc@668 129 b->front += len;
adamc@672 130 *b->front = 0;
adamc@668 131 }
adamc@667 132
adamc@668 133
adamc@672 134 // Persistent state types
adamc@667 135
adamc@667 136 typedef enum { UNUSED, USED } usage;
adamc@667 137
adamc@667 138 typedef struct client {
adamc@682 139 unsigned id;
adamc@667 140 usage mode;
adamc@682 141 int pass;
adamc@682 142 struct client *next;
adamc@689 143 pthread_mutex_t lock, pull_lock;
adam@1369 144 uw_buffer msgs;
adamc@682 145 int sock;
adamc@863 146 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 147 int (*close)(int fd);
adamc@682 148 time_t last_contact;
adamc@682 149 unsigned n_channels;
adamc@685 150 unsigned refcount;
adamc@1121 151 void *data;
adamc@667 152 } client;
adamc@667 153
adamc@672 154
adamc@672 155 // Persistent client state
adamc@672 156
adamc@682 157 static client **clients, *clients_free, *clients_used;
adamc@682 158 static unsigned n_clients;
adamc@667 159
adamc@667 160 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 161
adamc@1113 162 size_t uw_messages_max = SIZE_MAX;
adamc@1113 163 size_t uw_clients_max = SIZE_MAX;
adamc@1113 164
adamc@1121 165 void *uw_init_client_data();
adamc@1121 166 void uw_free_client_data(void *);
adamc@1121 167 void uw_copy_client_data(void *dst, void *src);
adamc@1121 168
adamc@682 169 static client *new_client() {
adamc@667 170 client *c;
adamc@667 171
adamc@667 172 pthread_mutex_lock(&clients_mutex);
adamc@667 173
adamc@667 174 if (clients_free) {
adamc@667 175 c = clients_free;
adamc@682 176 clients_free = clients_free->next;
adamc@667 177 }
adamc@1113 178 else if (n_clients >= uw_clients_max)
adamc@1113 179 return NULL;
adamc@667 180 else {
adamc@667 181 ++n_clients;
adamc@667 182 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 183 c = malloc(sizeof(client));
adamc@667 184 c->id = n_clients-1;
adamc@682 185 pthread_mutex_init(&c->lock, NULL);
adamc@689 186 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 187 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 188 clients[n_clients-1] = c;
adamc@667 189 }
adamc@667 190
adamc@682 191 pthread_mutex_lock(&c->lock);
adamc@667 192 c->mode = USED;
adamc@682 193 c->pass = rand();
adamc@682 194 c->sock = -1;
adamc@682 195 c->last_contact = time(NULL);
adam@1369 196 uw_buffer_reset(&c->msgs);
adamc@682 197 c->n_channels = 0;
adamc@685 198 c->refcount = 0;
adamc@1121 199 c->data = uw_init_client_data();
adamc@682 200 pthread_mutex_unlock(&c->lock);
adamc@682 201
adamc@682 202 c->next = clients_used;
adamc@682 203 clients_used = c;
adamc@667 204
adamc@667 205 pthread_mutex_unlock(&clients_mutex);
adamc@667 206
adamc@667 207 return c;
adamc@667 208 }
adamc@667 209
adamc@685 210 static void use_client(client *c) {
adamc@685 211 pthread_mutex_lock(&c->lock);
adamc@685 212 ++c->refcount;
adamc@685 213 pthread_mutex_unlock(&c->lock);
adamc@689 214 pthread_mutex_lock(&c->pull_lock);
adamc@685 215 }
adamc@685 216
adamc@685 217 static void release_client(client *c) {
adamc@689 218 pthread_mutex_unlock(&c->pull_lock);
adamc@685 219 pthread_mutex_lock(&c->lock);
adamc@685 220 --c->refcount;
adamc@685 221 pthread_mutex_unlock(&c->lock);
adamc@689 222
adamc@685 223 }
adamc@685 224
adamc@856 225 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 226
adamc@682 227 static client *find_client(unsigned id) {
adamc@667 228 client *c;
adamc@667 229
adamc@667 230 pthread_mutex_lock(&clients_mutex);
adamc@667 231
adamc@667 232 if (id >= n_clients) {
adamc@667 233 pthread_mutex_unlock(&clients_mutex);
adamc@668 234 return NULL;
adamc@667 235 }
adamc@667 236
adamc@667 237 c = clients[id];
adamc@667 238
adamc@668 239 pthread_mutex_unlock(&clients_mutex);
adamc@668 240 return c;
adamc@668 241 }
adamc@668 242
adamc@856 243 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 244 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 245
adamc@856 246 void uw_set_on_success(char *s) {
adamc@856 247 on_success = s;
adamc@856 248 }
adamc@856 249
adamc@863 250 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 251 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 252 int (*close)(int fd),
adamc@864 253 void *logger_data, uw_logger log_error) {
adamc@682 254 client *c = find_client(id);
adamc@668 255
adamc@668 256 if (c == NULL) {
adamc@667 257 close(sock);
adamc@864 258 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 259 return;
adamc@667 260 }
adamc@667 261
adamc@682 262 pthread_mutex_lock(&c->lock);
adamc@671 263
adamc@682 264 if (c->mode != USED) {
adamc@682 265 pthread_mutex_unlock(&c->lock);
adamc@667 266 close(sock);
adamc@864 267 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 268 return;
adamc@667 269 }
adamc@667 270
adamc@682 271 if (pass != c->pass) {
adamc@682 272 pthread_mutex_unlock(&c->lock);
adamc@682 273 close(sock);
adamc@864 274 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 275 return;
adamc@667 276 }
adamc@667 277
adamc@682 278 if (c->sock != -1) {
adamc@863 279 c->close(c->sock);
adamc@682 280 c->sock = -1;
adamc@682 281 }
adamc@667 282
adamc@682 283 c->last_contact = time(NULL);
adamc@682 284
adam@1369 285 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 286 send(sock, on_success, strlen(on_success));
adamc@863 287 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 288 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 289 uw_buffer_reset(&c->msgs);
adamc@667 290 close(sock);
adamc@667 291 }
adamc@863 292 else {
adamc@682 293 c->sock = sock;
adamc@863 294 c->send = send;
adamc@863 295 c->close = close;
adamc@863 296 }
adamc@667 297
adamc@682 298 pthread_mutex_unlock(&c->lock);
adamc@667 299 }
adamc@667 300
adamc@682 301 static void free_client(client *c) {
adamc@682 302 c->mode = UNUSED;
adamc@682 303 c->pass = -1;
adamc@667 304
adamc@682 305 c->next = clients_free;
adamc@682 306 clients_free = c;
adamc@667 307 }
adamc@667 308
adamc@682 309 static uw_Basis_channel new_channel(client *c) {
adamc@682 310 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 311 return ch;
adamc@668 312 }
adamc@668 313
adam@1369 314 static void client_send(client *c, uw_buffer *msg) {
adamc@685 315 pthread_mutex_lock(&c->lock);
adamc@671 316
adamc@682 317 if (c->sock != -1) {
adamc@863 318 c->send(c->sock, on_success, strlen(on_success));
adamc@863 319 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 320 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 321 c->close(c->sock);
adamc@682 322 c->sock = -1;
adam@1369 323 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 324 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 325
adamc@685 326 pthread_mutex_unlock(&c->lock);
adamc@668 327 }
adamc@668 328
adamc@668 329
adamc@668 330 // Global entry points
adamc@668 331
adamc@1164 332 extern void uw_global_custom();
adamc@1104 333 extern void uw_init_crypto();
adamc@1104 334
adamc@668 335 void uw_global_init() {
adamc@668 336 srand(time(NULL) ^ getpid());
adamc@668 337
adamc@668 338 clients = malloc(0);
adamc@1104 339
adamc@1164 340 uw_global_custom();
adamc@1104 341 uw_init_crypto();
adamc@1094 342 }
adamc@1094 343
adamc@1094 344 void uw_app_init(uw_app *app) {
adamc@1094 345 app->client_init();
adamc@668 346 }
adamc@668 347
adam@1332 348 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 349
adamc@668 350
adamc@667 351 // Single-request state
adamc@667 352
adamc@323 353 typedef struct regions {
adamc@323 354 struct regions *next;
adamc@323 355 } regions;
adamc@323 356
adamc@425 357 typedef struct {
adamc@425 358 void (*func)(void*);
adamc@425 359 void *arg;
adamc@425 360 } cleanup;
adamc@425 361
adamc@671 362 typedef struct {
adamc@682 363 unsigned client;
adam@1369 364 uw_buffer msgs;
adamc@682 365 } delta;
adamc@671 366
adamc@737 367 typedef enum {
adamc@759 368 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 369 } input_kind;
adamc@737 370
adamc@756 371 typedef struct input {
adamc@737 372 input_kind kind;
adamc@737 373 union {
adamc@737 374 char *normal;
adamc@739 375 uw_Basis_file file;
adamc@756 376 struct {
adamc@759 377 struct input *fields, *parent;
adamc@756 378 } subform;
adamc@759 379 struct {
adamc@759 380 struct input *entries, *parent;
adamc@759 381 } subforms;
adamc@759 382 struct {
adamc@759 383 struct input *fields, *next, *parent;
adamc@759 384 } entry;
adamc@737 385 } data;
adamc@737 386 } input;
adamc@737 387
adamc@771 388 typedef struct {
adamc@771 389 void *data;
adam@1327 390 uw_callback commit, rollback;
adam@1327 391 uw_callback_with_retry free;
adamc@771 392 } transactional;
adamc@771 393
adamc@1061 394 typedef struct {
adamc@1061 395 char *name;
adamc@1061 396 void *data;
adamc@1061 397 void (*free)(void*);
adamc@1061 398 } global;
adamc@1061 399
adamc@311 400 struct uw_context {
adamc@1094 401 uw_app *app;
adamc@1094 402
adamc@854 403 char *(*get_header)(void *, const char *);
adamc@854 404 void *get_header_data;
adamc@457 405
adam@1369 406 uw_buffer outHeaders, page, heap, script;
adamc@1065 407 int returning_indirectly;
adamc@759 408 input *inputs, *subinputs, *cur_container;
adamc@1094 409 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 410
adamc@565 411 int source_count;
adamc@562 412
adamc@272 413 void *db;
adamc@272 414
adamc@167 415 jmp_buf jmp_buf;
adamc@167 416
adamc@323 417 regions *regions;
adamc@323 418
adamc@425 419 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 420
adamc@1094 421 const char *script_header;
adamc@643 422
adamc@736 423 int needs_push, needs_sig;
adamc@693 424
adamc@682 425 size_t n_deltas, used_deltas;
adamc@682 426 delta *deltas;
adamc@671 427
adamc@682 428 client *client;
adamc@682 429
adamc@771 430 transactional *transactionals;
adamc@771 431 size_t n_transactionals, used_transactionals;
adamc@771 432
adamc@1061 433 global *globals;
adamc@1061 434 size_t n_globals;
adamc@1061 435
adamc@1066 436 char *current_url;
adamc@1066 437
adamc@1114 438 int deadline;
adamc@1114 439
adamc@1121 440 void *client_data;
adamc@1121 441
adam@1334 442 void *logger_data;
adam@1334 443 uw_logger log_debug;
adam@1334 444
adam@1386 445 int isPost, hasPostBody;
adam@1347 446 uw_Basis_postBody postBody;
adam@1370 447 uw_Basis_string queryString;
adam@1347 448
adamc@167 449 char error_message[ERROR_BUF_LEN];
adamc@117 450 };
adamc@117 451
adamc@1113 452 size_t uw_headers_max = SIZE_MAX;
adamc@1113 453 size_t uw_page_max = SIZE_MAX;
adamc@1113 454 size_t uw_heap_max = SIZE_MAX;
adamc@1113 455 size_t uw_script_max = SIZE_MAX;
adamc@1113 456
adam@1334 457 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311 458 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 459
adamc@1094 460 ctx->app = NULL;
adamc@1094 461
adamc@854 462 ctx->get_header = NULL;
adamc@854 463 ctx->get_header_data = NULL;
adamc@457 464
adam@1369 465 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369 466 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065 467 ctx->returning_indirectly = 0;
adam@1369 468 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 469 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 470 ctx->script.start[0] = 0;
adamc@136 471
adamc@1094 472 ctx->inputs = malloc(0);
adamc@759 473 ctx->cur_container = NULL;
adamc@756 474 ctx->subinputs = malloc(0);
adamc@1094 475 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 476
adamc@272 477 ctx->db = NULL;
adamc@272 478
adamc@323 479 ctx->regions = NULL;
adamc@323 480
adamc@425 481 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 482
adamc@643 483 ctx->script_header = "";
adamc@693 484 ctx->needs_push = 0;
adamc@736 485 ctx->needs_sig = 0;
adamc@1104 486
adamc@565 487 ctx->source_count = 0;
adamc@562 488
adamc@682 489 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 490 ctx->deltas = malloc(0);
adamc@671 491
adamc@700 492 ctx->client = NULL;
adamc@700 493
adamc@700 494 ctx->error_message[0] = 0;
adamc@700 495
adamc@771 496 ctx->transactionals = malloc(0);
adamc@771 497 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 498
adamc@1061 499 ctx->globals = malloc(0);
adamc@1061 500 ctx->n_globals = 0;
adamc@1061 501
adamc@1066 502 ctx->current_url = "";
adamc@1066 503
adamc@1114 504 ctx->deadline = INT_MAX;
adamc@1114 505
adamc@1121 506 ctx->client_data = uw_init_client_data();
adamc@1121 507
adam@1334 508 ctx->logger_data = logger_data;
adam@1334 509 ctx->log_debug = log_debug;
adam@1334 510
adam@1386 511 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 512
adam@1370 513 ctx->queryString = NULL;
adam@1370 514
adamc@117 515 return ctx;
adamc@106 516 }
adamc@106 517
adamc@1113 518 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 519
adamc@1121 520 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 521 return ctx->app;
adamc@1121 522 }
adamc@1121 523
adamc@1113 524 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 525 ctx->app = app;
adamc@1094 526
adamc@1105 527 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 528 if (app->inputs_len > uw_inputs_max)
adamc@1113 529 return 1;
adamc@1113 530
adamc@1094 531 ctx->sz_inputs = app->inputs_len;
adamc@1094 532 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 533 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 534 }
adamc@1134 535
adamc@1134 536 return 0;
adamc@1094 537 }
adamc@1094 538
adamc@1121 539 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 540 uw_copy_client_data(ctx->client_data, data);
adamc@1121 541 }
adamc@1121 542
adamc@311 543 void uw_set_db(uw_context ctx, void *db) {
adamc@272 544 ctx->db = db;
adamc@272 545 }
adamc@272 546
adamc@311 547 void *uw_get_db(uw_context ctx) {
adamc@272 548 return ctx->db;
adamc@272 549 }
adamc@272 550
adamc@311 551 void uw_free(uw_context ctx) {
adamc@671 552 size_t i;
adamc@671 553
adam@1369 554 uw_buffer_free(&ctx->outHeaders);
adam@1369 555 uw_buffer_free(&ctx->script);
adam@1369 556 uw_buffer_free(&ctx->page);
adam@1369 557 uw_buffer_free(&ctx->heap);
adamc@144 558 free(ctx->inputs);
adamc@756 559 free(ctx->subinputs);
adamc@425 560 free(ctx->cleanup);
adamc@771 561 free(ctx->transactionals);
adamc@1121 562 uw_free_client_data(ctx->client_data);
adamc@671 563
adamc@682 564 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 565 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 566 free(ctx->deltas);
adamc@671 567
adamc@1061 568 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 569 if (ctx->globals[i].free)
adamc@1089 570 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 571 free(ctx->globals);
adamc@1061 572
adamc@136 573 free(ctx);
adamc@136 574 }
adamc@136 575
adamc@562 576 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 577 uw_buffer_reset(&ctx->outHeaders);
adam@1369 578 uw_buffer_reset(&ctx->script);
adamc@667 579 ctx->script.start[0] = 0;
adam@1369 580 uw_buffer_reset(&ctx->page);
adamc@1065 581 ctx->returning_indirectly = 0;
adam@1369 582 uw_buffer_reset(&ctx->heap);
adamc@323 583 ctx->regions = NULL;
adamc@425 584 ctx->cleanup_front = ctx->cleanup;
adamc@565 585 ctx->source_count = 0;
adamc@682 586 ctx->used_deltas = 0;
adamc@682 587 ctx->client = NULL;
adamc@759 588 ctx->cur_container = NULL;
adamc@771 589 ctx->used_transactionals = 0;
adamc@1117 590 ctx->script_header = "";
adam@1386 591 ctx->isPost = ctx->hasPostBody = 0;
adam@1370 592 ctx->queryString = NULL;
adamc@167 593 }
adamc@167 594
adamc@562 595 void uw_reset_keep_request(uw_context ctx) {
adamc@562 596 uw_reset_keep_error_message(ctx);
adamc@562 597 ctx->error_message[0] = 0;
adamc@167 598 }
adamc@167 599
adamc@311 600 void uw_reset(uw_context ctx) {
adamc@311 601 uw_reset_keep_request(ctx);
adamc@1105 602 if (ctx->app)
adamc@1105 603 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 604 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 605 ctx->used_subinputs = 0;
adamc@144 606 }
adamc@144 607
adamc@311 608 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 609 int r = setjmp(ctx->jmp_buf);
adamc@272 610
adamc@1105 611 if (r == 0 && ctx->app)
adamc@1094 612 ctx->app->db_init(ctx);
adamc@272 613
adamc@272 614 return r;
adamc@272 615 }
adamc@272 616
adamc@1118 617 void uw_close(uw_context ctx) {
adamc@1118 618 ctx->app->db_close(ctx);
adamc@1118 619 }
adamc@1118 620
adamc@854 621 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 622 ctx->get_header = get_header;
adamc@854 623 ctx->get_header_data = get_header_data;
adamc@742 624 }
adamc@742 625
adamc@801 626 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 627 va_list ap;
adamc@801 628 va_start(ap, fmt);
adamc@801 629
adamc@801 630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 631 }
adamc@801 632
adamc@1131 633 int uw_has_error(uw_context ctx) {
adamc@1131 634 return ctx->error_message[0] != 0;
adamc@1131 635 }
adamc@1131 636
adamc@311 637 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 638 cleanup *cl;
adamc@425 639
adamc@167 640 va_list ap;
adamc@167 641 va_start(ap, fmt);
adamc@167 642
adamc@167 643 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 644
adamc@425 645 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 646 cl->func(cl->arg);
adamc@425 647
adamc@425 648 ctx->cleanup_front = ctx->cleanup;
adamc@425 649
adamc@190 650 longjmp(ctx->jmp_buf, fk);
adamc@167 651 }
adamc@167 652
adamc@1113 653 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 654
adamc@425 655 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 656 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 657 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 658 if (len == 0)
adamc@425 659 newLen = 1;
adamc@425 660 else
adamc@428 661 newLen = len * 2;
adamc@1113 662
adamc@1134 663 if (newLen > uw_cleanup_max) {
adamc@1113 664 if (len+1 <= uw_cleanup_max)
adamc@1113 665 newLen = uw_cleanup_max;
adamc@1113 666 else
adamc@1113 667 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 668 }
adamc@1113 669
adamc@470 670 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 671 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 672 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 673 }
adamc@425 674
adamc@425 675 ctx->cleanup_front->func = func;
adamc@425 676 ctx->cleanup_front->arg = arg;
adamc@425 677 ++ctx->cleanup_front;
adamc@425 678 }
adamc@425 679
adamc@682 680 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 681 return ctx->get_header(ctx->get_header_data, h);
adamc@682 682 }
adamc@682 683
adamc@682 684 void uw_login(uw_context ctx) {
adamc@693 685 if (ctx->needs_push) {
adamc@682 686 char *id_s, *pass_s;
adamc@682 687
adamc@682 688 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 689 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 690 unsigned id = atoi(id_s);
adamc@682 691 int pass = atoi(pass_s);
adamc@682 692 client *c = find_client(id);
adamc@682 693
adamc@682 694 if (c == NULL)
adamc@682 695 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 696 else {
adamc@685 697 use_client(c);
adamc@682 698 ctx->client = c;
adamc@682 699
adamc@682 700 if (c->mode != USED)
adamc@682 701 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 702 if (c->pass != pass)
adamc@682 703 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 704 }
adamc@682 705 } else {
adamc@682 706 client *c = new_client();
adamc@1113 707
adamc@1113 708 if (c == NULL)
adamc@1113 709 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 710
adamc@685 711 use_client(c);
adamc@1121 712 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 713 ctx->client = c;
adamc@864 714 }
adamc@682 715 }
adamc@682 716 }
adamc@682 717
adamc@671 718 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 719 int r = setjmp(ctx->jmp_buf);
adamc@671 720
adamc@671 721 if (r == 0) {
adamc@1094 722 if (ctx->app->db_begin(ctx))
adamc@671 723 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 724
adamc@1094 725 ctx->app->handle(ctx, path);
adamc@671 726 }
adamc@671 727
adamc@671 728 return r;
adamc@671 729 }
adamc@671 730
adam@1294 731 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294 732 int r = setjmp(ctx->jmp_buf);
adam@1294 733
adam@1294 734 if (ctx->app->on_error) {
adam@1294 735 if (r == 0) {
adam@1294 736 if (ctx->app->db_begin(ctx))
adam@1294 737 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294 738
adam@1294 739 ctx->app->on_error(ctx, msg);
adam@1294 740 }
adam@1294 741
adam@1294 742 return r;
adam@1294 743 } else
adam@1294 744 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294 745 }
adam@1294 746
adamc@772 747 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 748 if (ctx->client == NULL)
adamc@682 749 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 750
adamc@682 751 return ctx->client->id;
adamc@682 752 }
adamc@682 753
adamc@425 754 void uw_pop_cleanup(uw_context ctx) {
adamc@425 755 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 756 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 757
adamc@425 758 --ctx->cleanup_front;
adamc@425 759 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 760 }
adamc@425 761
adamc@311 762 char *uw_error_message(uw_context ctx) {
adamc@167 763 return ctx->error_message;
adamc@167 764 }
adamc@167 765
adamc@1115 766 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 767 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 768 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 769 }
adamc@1115 770
adamc@759 771 static input *INP(uw_context ctx) {
adamc@759 772 if (ctx->cur_container == NULL)
adamc@759 773 return ctx->inputs;
adamc@759 774 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 775 return ctx->cur_container->data.subform.fields;
adamc@759 776 else if (ctx->cur_container->kind == ENTRY)
adamc@759 777 return ctx->cur_container->data.entry.fields;
adamc@759 778 else
adamc@760 779 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 780 }
adamc@759 781
adamc@760 782 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 783 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 784 *ptr += new_start - old_start;
adamc@760 785 }
adamc@760 786
adamc@760 787 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 788 switch (x->kind) {
adamc@759 789 case SUBFORM:
adamc@760 790 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 791 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 792 break;
adamc@759 793 case SUBFORMS:
adamc@760 794 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 795 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 796 break;
adamc@759 797 case ENTRY:
adamc@760 798 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 799 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 800 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 801 break;
adamc@1134 802 default:
adamc@1134 803 break;
adamc@759 804 }
adamc@759 805 }
adamc@759 806
adamc@1113 807 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 808
adamc@759 809 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 810 size_t i;
adamc@759 811 input *r;
adamc@759 812
adamc@759 813 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 814 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 815 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 816
adamc@759 817 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 818
adamc@760 819 if (ctx->subinputs != new_subinputs) {
adamc@760 820 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 821 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 822 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 823 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 824
adamc@760 825 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 826
adamc@760 827 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 828 ctx->subinputs = new_subinputs;
adamc@760 829 }
adamc@759 830 }
adamc@759 831
adamc@759 832 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 833
adamc@759 834 for (i = 0; i < len; ++i)
adamc@759 835 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 836
adamc@759 837 return r;
adamc@759 838 }
adamc@756 839
adamc@801 840 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 841 //printf("Input name %s\n", name);
adamc@1038 842
adamc@756 843 if (!strcasecmp(name, ".b")) {
adamc@1094 844 int n = ctx->app->input_num(value);
adamc@756 845 input *inps;
adamc@756 846
adamc@801 847 if (n < 0) {
adamc@801 848 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 849 return -1;
adamc@801 850 }
adamc@801 851
adamc@1094 852 if (n >= ctx->app->inputs_len) {
adamc@801 853 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 854 return -1;
adamc@801 855 }
adamc@756 856
adamc@1094 857 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 858
adamc@759 859 INP(ctx)[n].kind = SUBFORM;
adamc@759 860 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 861 INP(ctx)[n].data.subform.fields = inps;
adamc@759 862 ctx->cur_container = &INP(ctx)[n];
adamc@756 863 } else if (!strcasecmp(name, ".e")) {
adamc@756 864 input *tmp;
adamc@756 865
adamc@801 866 if (ctx->cur_container == NULL) {
adamc@801 867 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 868 return -1;
adamc@801 869 }
adamc@756 870
adamc@759 871 tmp = ctx->cur_container;
adamc@759 872 switch (tmp->kind) {
adamc@759 873 case SUBFORM:
adamc@759 874 ctx->cur_container = tmp->data.subform.parent;
adamc@759 875 tmp->data.subform.parent = NULL;
adamc@759 876 break;
adamc@759 877 case SUBFORMS:
adamc@759 878 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 879 tmp->data.subforms.parent = NULL;
adamc@759 880 break;
adamc@759 881 case ENTRY:
adamc@759 882 ctx->cur_container = tmp->data.entry.parent;
adamc@759 883 break;
adamc@759 884 default:
adamc@801 885 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 886 return -1;
adamc@759 887 }
adamc@759 888 } else if (!strcasecmp(name, ".s")) {
adamc@1094 889 int n = ctx->app->input_num(value);
adamc@759 890
adamc@801 891 if (n < 0) {
adamc@801 892 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 893 return -1;
adamc@801 894 }
adamc@801 895
adamc@1094 896 if (n >= ctx->app->inputs_len) {
adamc@801 897 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 898 return -1;
adamc@801 899 }
adamc@759 900
adamc@759 901 INP(ctx)[n].kind = SUBFORMS;
adamc@759 902 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 903 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 904 ctx->cur_container = &INP(ctx)[n];
adamc@759 905 } else if (!strcasecmp(name, ".i")) {
adamc@759 906 input *inps;
adamc@759 907
adamc@801 908 if (!ctx->cur_container) {
adamc@801 909 uw_set_error(ctx, "New entry without container");
adamc@801 910 return -1;
adamc@801 911 }
adamc@801 912
adamc@801 913 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 914 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 915 return -1;
adamc@801 916 }
adamc@759 917
adamc@1094 918 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 919
adamc@759 920 inps->kind = ENTRY;
adamc@759 921 inps->data.entry.parent = ctx->cur_container;
adamc@759 922 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 923 ctx->cur_container->data.subforms.entries = inps;
adamc@759 924
adamc@759 925 inps->data.entry.fields = inps+1;
adamc@759 926 ctx->cur_container = inps;
adamc@756 927 } else {
adamc@1094 928 int n = ctx->app->input_num(name);
adamc@756 929
adam@1384 930 if (n < 0)
adam@1384 931 return 0;
adamc@801 932
adamc@1094 933 if (n >= ctx->app->inputs_len) {
adamc@801 934 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 935 return -1;
adamc@801 936 }
adamc@756 937
adamc@756 938 INP(ctx)[n].kind = NORMAL;
adamc@756 939 INP(ctx)[n].data.normal = value;
adamc@756 940 }
adamc@801 941
adamc@801 942 return 0;
adamc@144 943 }
adamc@144 944
adamc@311 945 char *uw_get_input(uw_context ctx, int n) {
adamc@169 946 if (n < 0)
adamc@311 947 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 948 if (n >= ctx->app->inputs_len)
adamc@311 949 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 950
adamc@756 951 switch (INP(ctx)[n].kind) {
adamc@737 952 case UNSET:
adamc@737 953 return NULL;
adamc@739 954 case FIL:
adamc@739 955 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 956 case SUBFORM:
adamc@756 957 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 958 case SUBFORMS:
adamc@759 959 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 960 case ENTRY:
adamc@759 961 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 962 case NORMAL:
adamc@756 963 return INP(ctx)[n].data.normal;
adamc@737 964 default:
adamc@737 965 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 966 }
adamc@138 967 }
adamc@138 968
adamc@311 969 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 970 if (n < 0)
adamc@311 971 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 972 if (n >= ctx->app->inputs_len)
adamc@311 973 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 974
adamc@756 975 switch (INP(ctx)[n].kind) {
adamc@737 976 case UNSET:
adamc@737 977 return "";
adamc@739 978 case FIL:
adamc@739 979 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 980 case SUBFORM:
adamc@756 981 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 982 case SUBFORMS:
adamc@759 983 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 984 case ENTRY:
adamc@759 985 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 986 case NORMAL:
adamc@756 987 return INP(ctx)[n].data.normal;
adamc@737 988 default:
adamc@737 989 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 990 }
adamc@737 991 }
adamc@737 992
adamc@801 993 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 994 int n = ctx->app->input_num(name);
adamc@737 995
adamc@801 996 if (n < 0) {
adamc@801 997 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 998 return -1;
adamc@801 999 }
adamc@801 1000
adamc@1094 1001 if (n >= ctx->app->inputs_len) {
adamc@801 1002 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 1003 return -1;
adamc@801 1004 }
adamc@737 1005
adamc@739 1006 ctx->inputs[n].kind = FIL;
adamc@739 1007 ctx->inputs[n].data.file = f;
adamc@801 1008
adamc@801 1009 return 0;
adamc@737 1010 }
adamc@737 1011
adamc@739 1012 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1013
adamc@739 1014 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1015 if (n < 0)
adamc@737 1016 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1017 if (n >= ctx->app->inputs_len)
adamc@737 1018 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1019
adamc@756 1020 switch (INP(ctx)[n].kind) {
adamc@737 1021 case UNSET:
adamc@737 1022 {
adamc@739 1023 char *data = uw_malloc(ctx, 0);
adamc@740 1024 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1025 return f;
adamc@737 1026 }
adamc@739 1027 case FIL:
adamc@756 1028 return INP(ctx)[n].data.file;
adamc@737 1029 case NORMAL:
adamc@737 1030 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1031 case SUBFORM:
adamc@756 1032 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1033 case SUBFORMS:
adamc@759 1034 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1035 case ENTRY:
adamc@759 1036 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1037 default:
adamc@737 1038 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1039 }
adamc@190 1040 }
adamc@190 1041
adamc@756 1042 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1043 if (n < 0)
adamc@756 1044 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1045 if (n >= ctx->app->inputs_len)
adamc@756 1046 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1047
adamc@756 1048 switch (INP(ctx)[n].kind) {
adamc@756 1049 case UNSET:
adamc@756 1050 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1051 case FIL:
adamc@756 1052 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1053 case NORMAL:
adamc@756 1054 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1055 case SUBFORMS:
adamc@759 1056 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1057 case ENTRY:
adamc@759 1058 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1059 case SUBFORM:
adamc@759 1060 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1061 ctx->cur_container = &INP(ctx)[n];
adamc@756 1062 return;
adamc@756 1063 default:
adamc@756 1064 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1065 }
adamc@756 1066 }
adamc@756 1067
adamc@756 1068 void uw_leave_subform(uw_context ctx) {
adamc@756 1069 input *tmp;
adamc@756 1070
adamc@759 1071 if (ctx->cur_container == NULL)
adamc@756 1072 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1073
adamc@759 1074 tmp = ctx->cur_container;
adamc@759 1075 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1076 tmp->data.subform.parent = NULL;
adamc@759 1077 }
adamc@759 1078
adamc@759 1079 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1080 input *inps;
adamc@759 1081
adamc@759 1082 if (n < 0)
adamc@759 1083 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1084 if (n >= ctx->app->inputs_len)
adamc@759 1085 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1086
adamc@759 1087 switch (INP(ctx)[n].kind) {
adamc@759 1088 case UNSET:
adamc@759 1089 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1090 case FIL:
adamc@759 1091 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1092 case NORMAL:
adamc@759 1093 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1094 case SUBFORM:
adamc@759 1095 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1096 case ENTRY:
adamc@759 1097 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1098 case SUBFORMS:
adamc@759 1099 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1100 if (inps) {
adamc@759 1101 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1102 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1103 return 1;
adamc@759 1104 } else
adamc@759 1105 return 0;
adamc@759 1106 default:
adamc@759 1107 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1108 }
adamc@759 1109 }
adamc@759 1110
adamc@759 1111 int uw_next_entry(uw_context ctx) {
adamc@759 1112 if (ctx->cur_container == NULL)
adamc@759 1113 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1114
adamc@759 1115 switch (ctx->cur_container->kind) {
adamc@759 1116 case UNSET:
adamc@759 1117 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1118 case FIL:
adamc@759 1119 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1120 case NORMAL:
adamc@759 1121 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1122 case SUBFORM:
adamc@759 1123 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1124 case SUBFORMS:
adamc@759 1125 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1126 case ENTRY:
adamc@759 1127 if (ctx->cur_container->data.entry.next) {
adamc@759 1128 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1129 return 1;
adamc@759 1130 } else {
adamc@759 1131 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1132 return 0;
adamc@759 1133 }
adamc@759 1134 default:
adamc@759 1135 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1136 }
adamc@756 1137 }
adamc@756 1138
adamc@643 1139 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1140 ctx->script_header = s;
adamc@643 1141 }
adamc@643 1142
adamc@1094 1143 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1144 return ctx->app->url_prefix;
adamc@667 1145 }
adamc@667 1146
adamc@693 1147 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1148 ctx->needs_push = n;
adamc@693 1149 }
adamc@693 1150
adamc@736 1151 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1152 ctx->needs_sig = n;
adamc@736 1153 }
adamc@736 1154
adamc@667 1155
adam@1369 1156 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1157 if (b->back - b->front < extra) {
adamc@666 1158 size_t desired = b->front - b->start + extra, next;
adamc@136 1159 char *new_heap;
adamc@136 1160
adamc@666 1161 next = b->back - b->start;
adamc@317 1162 if (next == 0)
adamc@317 1163 next = 1;
adamc@317 1164 for (; next < desired; next *= 2);
adamc@136 1165
adamc@1134 1166 if (next > b->max) {
adamc@1113 1167 if (desired <= b->max)
adamc@1113 1168 next = desired;
adamc@1113 1169 else
adamc@1113 1170 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1171 }
adamc@1113 1172
adamc@666 1173 new_heap = realloc(b->start, next);
adamc@666 1174 b->front = new_heap + (b->front - b->start);
adamc@666 1175 b->back = new_heap + next;
adamc@136 1176
adamc@667 1177 if (new_heap != b->start) {
adamc@666 1178 b->start = new_heap;
adamc@666 1179 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1180 }
adamc@136 1181
adamc@666 1182 b->start = new_heap;
adamc@136 1183 }
adamc@136 1184 }
adamc@136 1185
adamc@832 1186 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1187 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1188 }
adamc@666 1189
adamc@832 1190 char *uw_heap_front(uw_context ctx) {
adamc@832 1191 return ctx->heap.front;
adamc@832 1192 }
adamc@832 1193
adamc@832 1194 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1195 ctx->heap.front = fr;
adamc@832 1196 }
adamc@832 1197
adamc@311 1198 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1199 void *result;
adamc@136 1200
adamc@311 1201 uw_check_heap(ctx, len);
adamc@136 1202
adamc@666 1203 result = ctx->heap.front;
adamc@666 1204 ctx->heap.front += len;
adamc@136 1205 return result;
adamc@117 1206 }
adamc@117 1207
adamc@323 1208 void uw_begin_region(uw_context ctx) {
adamc@666 1209 regions *r = (regions *) ctx->heap.front;
adamc@323 1210
adamc@323 1211 uw_check_heap(ctx, sizeof(regions));
adamc@323 1212
adamc@666 1213 ctx->heap.front += sizeof(regions);
adamc@323 1214
adamc@323 1215 r->next = ctx->regions;
adamc@323 1216 ctx->regions = r;
adamc@323 1217 }
adamc@323 1218
adamc@323 1219 void uw_end_region(uw_context ctx) {
adamc@323 1220 regions *r = ctx->regions;
adamc@323 1221
adamc@323 1222 if (r == NULL)
adamc@323 1223 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1224
adamc@666 1225 ctx->heap.front = (char *) r;
adamc@323 1226 ctx->regions = r->next;
adamc@323 1227 }
adamc@323 1228
adamc@324 1229 void uw_memstats(uw_context ctx) {
adam@1369 1230 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1231 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1232 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1233 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1234 }
adamc@324 1235
adamc@311 1236 int uw_send(uw_context ctx, int sock) {
adamc@666 1237 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1238
adamc@462 1239 if (n < 0)
adamc@462 1240 return n;
adamc@462 1241
adamc@462 1242 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1243
adamc@462 1244 if (n < 0)
adamc@462 1245 return n;
adamc@462 1246
adamc@666 1247 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1248 }
adamc@462 1249
adamc@856 1250 int uw_print(uw_context ctx, int fd) {
adamc@856 1251 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1252
adamc@856 1253 if (n < 0)
adamc@856 1254 return n;
adamc@856 1255
adamc@856 1256 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1257
adamc@856 1258 if (n < 0)
adamc@856 1259 return n;
adamc@856 1260
adamc@856 1261 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1262 }
adamc@856 1263
adamc@860 1264 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1265 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1266
adamc@860 1267 if (n < 0)
adamc@860 1268 return n;
adamc@860 1269
adamc@860 1270 n = output(data, "\r\n", 2);
adamc@860 1271
adamc@860 1272 if (n < 0)
adamc@860 1273 return n;
adamc@860 1274
adamc@860 1275 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1276 }
adamc@860 1277
adamc@462 1278 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1279 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1280 }
adamc@462 1281
adamc@462 1282 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1283 int len = strlen(s);
adamc@462 1284
adamc@462 1285 uw_check_headers(ctx, len + 1);
adamc@666 1286 strcpy(ctx->outHeaders.front, s);
adamc@666 1287 ctx->outHeaders.front += len;
adamc@562 1288 }
adamc@562 1289
adamc@1110 1290 void uw_clear_headers(uw_context ctx) {
adam@1369 1291 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1292 }
adamc@1110 1293
adamc@562 1294 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1295 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1296 }
adamc@562 1297
adamc@562 1298 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1299 int len = strlen(s);
adamc@562 1300
adamc@562 1301 uw_check_script(ctx, len + 1);
adamc@666 1302 strcpy(ctx->script.front, s);
adamc@666 1303 ctx->script.front += len;
adamc@562 1304 }
adamc@562 1305
adamc@645 1306 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1307 return "<sc>";
adamc@565 1308 }
adamc@565 1309
adamc@695 1310 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1311 if (s[0] == 0)
adamc@695 1312 return "";
adamc@695 1313 else {
adamc@695 1314 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1315 sprintf(r, " onload='%s'", s);
adamc@695 1316 return r;
adamc@695 1317 }
adamc@695 1318 }
adamc@695 1319
adamc@1042 1320 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1321 if (ctx->script_header[0] == 0)
adamc@1042 1322 return "";
adamc@1042 1323 else {
adamc@1042 1324 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1325 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1326 return r;
adamc@1042 1327 }
adamc@1042 1328 }
adamc@1042 1329
adamc@694 1330 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1331 if (ctx->client == NULL) {
adamc@736 1332 if (ctx->needs_sig) {
adamc@1094 1333 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1334 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1335 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1336 return r;
adamc@736 1337 }
adamc@736 1338 else
adamc@736 1339 return "";
adamc@736 1340 } else {
adamc@1094 1341 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1342 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1343 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1344 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1345 ctx->client->id,
adamc@682 1346 ctx->client->pass,
adamc@1094 1347 ctx->app->url_prefix,
adamc@1094 1348 ctx->app->timeout,
adamc@736 1349 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1350 sig,
adamc@736 1351 ctx->needs_sig ? "\";" : "");
adamc@679 1352 return r;
adamc@668 1353 }
adamc@667 1354 }
adamc@667 1355
adamc@574 1356 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1357 char *r, *s2;
adamc@574 1358
adamc@574 1359 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1360
adamc@666 1361 r = s2 = ctx->heap.front;
adamc@574 1362 *s2++ = '"';
adamc@574 1363
adamc@574 1364 for (; *s; s++) {
adam@1286 1365 unsigned char c = *s;
adamc@574 1366
adamc@574 1367 switch (c) {
adamc@574 1368 case '"':
adamc@574 1369 strcpy(s2, "\\\"");
adamc@574 1370 s2 += 2;
adamc@574 1371 break;
adamc@1027 1372 case '\'':
adamc@1027 1373 strcpy(s2, "\\047");
adamc@1027 1374 s2 += 4;
adamc@1027 1375 break;
adamc@574 1376 case '\\':
adamc@574 1377 strcpy(s2, "\\\\");
adamc@574 1378 s2 += 2;
adamc@574 1379 break;
adamc@574 1380 default:
adam@1286 1381 if (isprint((int)c) || c >= 128)
adamc@574 1382 *s2++ = c;
adamc@574 1383 else {
adamc@574 1384 sprintf(s2, "\\%3o", c);
adamc@574 1385 s2 += 4;
adamc@574 1386 }
adamc@574 1387 }
adamc@574 1388 }
adamc@574 1389
adamc@574 1390 strcpy(s2, "\"");
adamc@910 1391 ctx->heap.front = s2 + 2;
adamc@574 1392 return r;
adamc@574 1393 }
adamc@574 1394
adam@1286 1395 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1396 unsigned char c = c1;
adamc@1025 1397 char *r, *s2;
adamc@1025 1398
adamc@1025 1399 uw_check_heap(ctx, 6);
adamc@1025 1400
adamc@1025 1401 r = s2 = ctx->heap.front;
adamc@1025 1402 *s2++ = '"';
adamc@1025 1403
adamc@1025 1404 switch (c) {
adamc@1025 1405 case '"':
adamc@1025 1406 strcpy(s2, "\\\"");
adamc@1025 1407 s2 += 2;
adamc@1025 1408 break;
adamc@1027 1409 case '\'':
adamc@1027 1410 strcpy(s2, "\\047");
adamc@1027 1411 s2 += 4;
adamc@1027 1412 break;
adamc@1025 1413 case '\\':
adamc@1025 1414 strcpy(s2, "\\\\");
adamc@1025 1415 s2 += 2;
adamc@1025 1416 break;
adamc@1025 1417 default:
adam@1286 1418 if (isprint((int)c) || c >= 128)
adamc@1025 1419 *s2++ = c;
adamc@1025 1420 else {
adam@1286 1421 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025 1422 s2 += 4;
adamc@1025 1423 }
adamc@1025 1424 }
adamc@1025 1425
adamc@1025 1426 strcpy(s2, "\"");
adamc@1025 1427 ctx->heap.front = s2 + 2;
adamc@1025 1428 return r;
adamc@1025 1429 }
adamc@1025 1430
adamc@574 1431 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1432 char *r, *s2;
adamc@574 1433
adamc@574 1434 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1435
adamc@666 1436 r = s2 = ctx->script.front;
adamc@574 1437 *s2++ = '"';
adamc@574 1438
adamc@574 1439 for (; *s; s++) {
adam@1286 1440 unsigned char c = *s;
adamc@574 1441
adamc@574 1442 switch (c) {
adamc@577 1443 case '\'':
adamc@1027 1444 strcpy(s2, "\\");
adamc@574 1445 s2 += 2;
adamc@574 1446 break;
adamc@574 1447 case '\\':
adamc@574 1448 strcpy(s2, "\\\\");
adamc@574 1449 s2 += 2;
adamc@574 1450 break;
adamc@574 1451 default:
adam@1286 1452 if (isprint((int)c) || c >= 128)
adamc@574 1453 *s2++ = c;
adamc@574 1454 else {
adamc@574 1455 sprintf(s2, "\\%3o", c);
adamc@574 1456 s2 += 4;
adamc@574 1457 }
adamc@574 1458 }
adamc@574 1459 }
adamc@574 1460
adamc@574 1461 strcpy(s2, "\"");
adamc@666 1462 ctx->script.front = s2 + 1;
adamc@574 1463 return r;
adamc@574 1464 }
adamc@574 1465
adamc@682 1466 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1467 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1468 return "null";
adamc@682 1469 else {
adamc@682 1470 int len;
adamc@682 1471 char *r;
adamc@682 1472
adamc@682 1473 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1474 r = ctx->heap.front;
adamc@682 1475 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1476 ctx->heap.front += len+1;
adamc@682 1477 return r;
adamc@682 1478 }
adamc@682 1479 }
adamc@682 1480
adamc@577 1481 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1482 int len;
adamc@577 1483 size_t s_len = strlen(s);
adamc@562 1484
adamc@970 1485 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1486 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1487 ctx->script.front += len;
adamc@666 1488 strcpy(ctx->script.front, s);
adamc@666 1489 ctx->script.front += s_len;
adamc@970 1490 strcpy(ctx->script.front, "));");
adamc@972 1491 ctx->script.front += 3;
adamc@562 1492
adamc@565 1493 return ctx->source_count++;
adamc@117 1494 }
adamc@117 1495
adamc@577 1496 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1497 int len;
adamc@577 1498 size_t s_len = strlen(s);
adamc@577 1499
adamc@970 1500 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1501 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1502 ctx->script.front += len;
adamc@666 1503 strcpy(ctx->script.front, s);
adamc@666 1504 ctx->script.front += s_len;
adamc@970 1505 strcpy(ctx->script.front, "));");
adamc@972 1506 ctx->script.front += 3;
adamc@577 1507
adamc@577 1508 return uw_unit_v;
adamc@577 1509 }
adamc@577 1510
adamc@311 1511 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1512 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1513 }
adamc@117 1514
adamc@311 1515 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1516 *(ctx->page.front)++ = c;
adamc@117 1517 }
adamc@117 1518
adamc@311 1519 void uw_writec(uw_context ctx, char c) {
adamc@311 1520 uw_check(ctx, 1);
adamc@311 1521 uw_writec_unsafe(ctx, c);
adamc@117 1522 }
adamc@117 1523
adamc@311 1524 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1525 int len = strlen(s);
adamc@666 1526 memcpy(ctx->page.front, s, len);
adamc@666 1527 ctx->page.front += len;
adamc@117 1528 }
adamc@117 1529
adamc@311 1530 void uw_write(uw_context ctx, const char* s) {
adamc@311 1531 uw_check(ctx, strlen(s) + 1);
adamc@311 1532 uw_write_unsafe(ctx, s);
adamc@666 1533 *ctx->page.front = 0;
adamc@102 1534 }
adamc@106 1535
adamc@311 1536 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1537 char *result;
adamc@136 1538 int len;
adamc@311 1539 uw_check_heap(ctx, INTS_MAX);
adamc@666 1540 result = ctx->heap.front;
adamc@276 1541 sprintf(result, "%lld%n", n, &len);
adamc@666 1542 ctx->heap.front += len+1;
adamc@136 1543 return result;
adamc@106 1544 }
adamc@106 1545
adamc@311 1546 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1547 char *result;
adamc@136 1548 int len;
adamc@311 1549 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1550 result = ctx->heap.front;
adamc@136 1551 sprintf(result, "%g%n", n, &len);
adamc@666 1552 ctx->heap.front += len+1;
adamc@136 1553 return result;
adamc@106 1554 }
adamc@106 1555
adamc@311 1556 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1557 int len = strlen(s);
adamc@136 1558 char *result, *p;
adamc@311 1559 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1560
adamc@666 1561 result = p = ctx->heap.front;
adamc@136 1562
adamc@136 1563 for (; *s; s++) {
adamc@1054 1564 unsigned char c = *s;
adamc@136 1565
adamc@136 1566 if (c == '"') {
adamc@136 1567 strcpy(p, "&quot;");
adamc@136 1568 p += 6;
adamc@136 1569 } else if (c == '&') {
adamc@136 1570 strcpy(p, "&amp;");
adamc@136 1571 p += 5;
adamc@136 1572 }
adamc@1059 1573 else
adamc@136 1574 *p++ = c;
adamc@136 1575 }
adamc@136 1576
adamc@137 1577 *p++ = 0;
adamc@666 1578 ctx->heap.front = p;
adamc@136 1579 return result;
adamc@106 1580 }
adamc@106 1581
adamc@1011 1582 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1583 char *result, *p;
adamc@1011 1584 uw_check_heap(ctx, 7);
adamc@1011 1585
adamc@1011 1586 result = p = ctx->heap.front;
adamc@1011 1587
adamc@1011 1588 if (c == '"') {
adamc@1011 1589 strcpy(p, "&quot;");
adamc@1011 1590 p += 6;
adamc@1011 1591 } else if (c == '&') {
adamc@1011 1592 strcpy(p, "&amp;");
adamc@1011 1593 p += 5;
adamc@1011 1594 }
adamc@1059 1595 else
adamc@1011 1596 *p++ = c;
adamc@1011 1597
adamc@1011 1598 *p++ = 0;
adamc@1011 1599 ctx->heap.front = p;
adamc@1011 1600 return result;
adamc@1011 1601 }
adamc@1011 1602
adamc@721 1603 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1604 return s;
adamc@721 1605 }
adamc@721 1606
adamc@311 1607 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1608 int len;
adamc@117 1609
adamc@666 1610 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1611 ctx->page.front += len;
adamc@106 1612 }
adamc@106 1613
adamc@428 1614 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1615 uw_check(ctx, INTS_MAX);
adamc@311 1616 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1617
adamc@428 1618 return uw_unit_v;
adamc@106 1619 }
adamc@106 1620
adamc@428 1621 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1622 int len;
adamc@117 1623
adamc@311 1624 uw_check(ctx, FLOATS_MAX);
adamc@666 1625 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1626 ctx->page.front += len;
adamc@428 1627
adamc@428 1628 return uw_unit_v;
adamc@117 1629 }
adamc@117 1630
adamc@428 1631 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1632 uw_check(ctx, strlen(s) * 6);
adamc@117 1633
adamc@106 1634 for (; *s; s++) {
adamc@1054 1635 unsigned char c = *s;
adamc@106 1636
adamc@106 1637 if (c == '"')
adamc@311 1638 uw_write_unsafe(ctx, "&quot;");
adamc@136 1639 else if (c == '&')
adamc@311 1640 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1641 else
adamc@311 1642 uw_writec_unsafe(ctx, c);
adamc@106 1643 }
adamc@428 1644
adamc@428 1645 return uw_unit_v;
adamc@106 1646 }
adamc@120 1647
adamc@1011 1648 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1649 uw_check(ctx, 6);
adamc@1011 1650
adamc@1011 1651 if (c == '"')
adamc@1011 1652 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1653 else if (c == '&')
adamc@1011 1654 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1655 else
adamc@1011 1656 uw_writec_unsafe(ctx, c);
adamc@1011 1657
adamc@1011 1658 return uw_unit_v;
adamc@1011 1659 }
adamc@1011 1660
adamc@120 1661
adamc@311 1662 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1663 int len;
adamc@137 1664 char *r;
adamc@137 1665
adamc@311 1666 uw_check_heap(ctx, INTS_MAX);
adamc@666 1667 r = ctx->heap.front;
adamc@276 1668 sprintf(r, "%lld%n", n, &len);
adamc@666 1669 ctx->heap.front += len+1;
adamc@137 1670 return r;
adamc@120 1671 }
adamc@120 1672
adamc@682 1673 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1674 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1675 return "";
adamc@682 1676 else {
adamc@682 1677 int len;
adamc@682 1678 char *r;
adamc@679 1679
adamc@682 1680 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1681 r = ctx->heap.front;
adamc@682 1682 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1683 ctx->heap.front += len+1;
adamc@682 1684 return r;
adamc@682 1685 }
adamc@679 1686 }
adamc@679 1687
adamc@311 1688 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1689 int len;
adamc@137 1690 char *r;
adamc@137 1691
adamc@311 1692 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1693 r = ctx->heap.front;
adamc@137 1694 sprintf(r, "%g%n", n, &len);
adamc@666 1695 ctx->heap.front += len+1;
adamc@137 1696 return r;
adamc@120 1697 }
adamc@120 1698
adamc@311 1699 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1700 char *r, *p;
adamc@137 1701
adamc@925 1702 if (s[0] == '\0')
adamc@925 1703 return "_";
adamc@925 1704
adamc@925 1705 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1706
adamc@925 1707 r = p = ctx->heap.front;
adamc@925 1708 if (s[0] == '_')
adamc@925 1709 *p++ = '_';
adamc@925 1710
adamc@925 1711 for (; *s; s++) {
adamc@1087 1712 unsigned char c = *s;
adamc@137 1713
adamc@137 1714 if (c == ' ')
adamc@137 1715 *p++ = '+';
adamc@137 1716 else if (isalnum(c))
adamc@137 1717 *p++ = c;
adamc@137 1718 else {
adamc@1259 1719 sprintf(p, ".%02X", c);
adamc@137 1720 p += 3;
adamc@137 1721 }
adamc@137 1722 }
adamc@137 1723
adamc@137 1724 *p++ = 0;
adamc@666 1725 ctx->heap.front = p;
adamc@137 1726 return r;
adamc@120 1727 }
adamc@120 1728
adamc@311 1729 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1730 if (b == uw_Basis_False)
adamc@186 1731 return "0";
adamc@186 1732 else
adamc@186 1733 return "1";
adamc@186 1734 }
adamc@186 1735
adamc@311 1736 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1737 int len;
adamc@120 1738
adamc@666 1739 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1740 ctx->page.front += len;
adamc@120 1741 }
adamc@120 1742
adamc@428 1743 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1744 uw_check(ctx, INTS_MAX);
adamc@311 1745 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1746
adamc@428 1747 return uw_unit_v;
adamc@120 1748 }
adamc@120 1749
adamc@682 1750 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1751 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1752 int len;
adamc@682 1753
adamc@682 1754 uw_check(ctx, INTS_MAX + 1);
adamc@682 1755 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1756 ctx->page.front += len;
adamc@682 1757 }
adamc@682 1758
adamc@679 1759 return uw_unit_v;
adamc@679 1760 }
adamc@679 1761
adamc@428 1762 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1763 int len;
adamc@120 1764
adamc@311 1765 uw_check(ctx, FLOATS_MAX);
adamc@666 1766 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1767 ctx->page.front += len;
adamc@428 1768
adamc@428 1769 return uw_unit_v;
adamc@120 1770 }
adamc@120 1771
adamc@488 1772 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1773 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1774 }
adamc@488 1775
adamc@428 1776 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1777 if (s[0] == '\0') {
adamc@925 1778 uw_check(ctx, 1);
adamc@925 1779 uw_writec_unsafe(ctx, '_');
adamc@925 1780 return uw_unit_v;
adamc@925 1781 }
adamc@925 1782
adamc@925 1783 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1784
adamc@925 1785 if (s[0] == '_')
adamc@925 1786 uw_writec_unsafe(ctx, '_');
adamc@120 1787
adamc@120 1788 for (; *s; s++) {
adamc@1087 1789 unsigned char c = *s;
adamc@120 1790
adamc@120 1791 if (c == ' ')
adamc@311 1792 uw_writec_unsafe(ctx, '+');
adamc@120 1793 else if (isalnum(c))
adamc@311 1794 uw_writec_unsafe(ctx, c);
adamc@120 1795 else {
adamc@1259 1796 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1797 ctx->page.front += 3;
adamc@120 1798 }
adamc@120 1799 }
adamc@428 1800
adamc@428 1801 return uw_unit_v;
adamc@120 1802 }
adamc@120 1803
adamc@428 1804 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1805 if (b == uw_Basis_False)
adamc@311 1806 uw_writec(ctx, '0');
adamc@186 1807 else
adamc@311 1808 uw_writec(ctx, '1');
adamc@428 1809
adamc@428 1810 return uw_unit_v;
adamc@186 1811 }
adamc@186 1812
adamc@120 1813
adamc@311 1814 static char *uw_unurlify_advance(char *s) {
adamc@144 1815 char *new_s = strchr(s, '/');
adamc@120 1816
adamc@120 1817 if (new_s)
adamc@120 1818 *new_s++ = 0;
adamc@120 1819 else
adamc@144 1820 new_s = strchr(s, 0);
adamc@144 1821
adamc@144 1822 return new_s;
adamc@144 1823 }
adamc@144 1824
adamc@311 1825 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1826 char *new_s = uw_unurlify_advance(*s);
adamc@311 1827 uw_Basis_int r;
adamc@120 1828
adamc@276 1829 r = atoll(*s);
adamc@120 1830 *s = new_s;
adamc@120 1831 return r;
adamc@120 1832 }
adamc@120 1833
adamc@311 1834 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1835 char *new_s = uw_unurlify_advance(*s);
adamc@311 1836 uw_Basis_float r;
adamc@120 1837
adamc@120 1838 r = atof(*s);
adamc@120 1839 *s = new_s;
adamc@120 1840 return r;
adamc@120 1841 }
adamc@120 1842
adamc@488 1843 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1844 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1845 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1846 return r;
adamc@488 1847 }
adamc@488 1848
adamc@1023 1849 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1850 char *s1, *s2 = s;
adamc@144 1851 int n;
adamc@136 1852
adamc@1023 1853 if (!fromClient) {
adamc@1023 1854 if (*s2 == '_')
adamc@1023 1855 ++s2;
adamc@1259 1856 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1857 s2 += 3;
adamc@1023 1858 }
adamc@925 1859
adamc@927 1860 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1861 unsigned char c = *s2;
adamc@136 1862
adamc@136 1863 switch (c) {
adamc@136 1864 case '+':
adamc@136 1865 *s1 = ' ';
adamc@136 1866 break;
adamc@136 1867 case '%':
adamc@169 1868 if (s2[1] == 0)
adamc@311 1869 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1870 if (s2[2] == 0)
adamc@311 1871 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1872 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1873 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1874 *s1 = n;
adamc@136 1875 s2 += 2;
adamc@136 1876 break;
adamc@1259 1877 case '.':
adamc@1259 1878 if (!fromClient) {
adamc@1259 1879 if (s2[1] == 0)
adamc@1259 1880 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1881 if (s2[2] == 0)
adamc@1259 1882 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1883 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1884 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1885 *s1 = n;
adamc@1259 1886 s2 += 2;
adamc@1259 1887 break;
adamc@1259 1888 }
adamc@136 1889 default:
adamc@136 1890 *s1 = c;
adamc@136 1891 }
adamc@136 1892 }
adamc@136 1893 *s1++ = 0;
adamc@144 1894 return s1;
adamc@144 1895 }
adamc@144 1896
adamc@311 1897 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1898 char *new_s = uw_unurlify_advance(*s);
adamc@311 1899 uw_Basis_bool r;
adamc@186 1900
adamc@186 1901 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1902 r = uw_Basis_False;
adamc@186 1903 else
adamc@311 1904 r = uw_Basis_True;
adamc@186 1905
adamc@186 1906 *s = new_s;
adamc@186 1907 return r;
adamc@186 1908 }
adamc@186 1909
adamc@311 1910 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1911 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1912 char *r;
adamc@1134 1913 int len;
adamc@144 1914
adamc@200 1915 len = strlen(*s);
adamc@311 1916 uw_check_heap(ctx, len + 1);
adamc@144 1917
adamc@666 1918 r = ctx->heap.front;
adamc@1023 1919 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1920 *s = new_s;
adamc@1023 1921 return r;
adamc@1023 1922 }
adamc@1023 1923
adamc@1109 1924 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1925 *s = uw_unurlify_advance(*s);
adamc@1109 1926 return uw_unit_v;
adamc@1109 1927 }
adamc@1109 1928
adamc@1023 1929 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1930 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1931 char *r;
adamc@1134 1932 int len;
adamc@1023 1933
adamc@1023 1934 len = strlen(*s);
adamc@1023 1935 uw_check_heap(ctx, len + 1);
adamc@1023 1936
adamc@1023 1937 r = ctx->heap.front;
adamc@1023 1938 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1939 *s = new_s;
adamc@136 1940 return r;
adamc@120 1941 }
adamc@135 1942
adamc@135 1943
adamc@311 1944 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1945 int len;
adamc@286 1946 char *r;
adamc@286 1947
adamc@311 1948 uw_check_heap(ctx, INTS_MAX);
adamc@666 1949 r = ctx->heap.front;
adamc@286 1950 sprintf(r, "%lld%n", n, &len);
adamc@666 1951 ctx->heap.front += len+1;
adamc@286 1952 return r;
adamc@286 1953 }
adamc@286 1954
adamc@428 1955 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1956 int len;
adamc@286 1957
adamc@311 1958 uw_check(ctx, INTS_MAX);
adamc@666 1959 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1960 ctx->page.front += len;
adamc@428 1961
adamc@428 1962 return uw_unit_v;
adamc@286 1963 }
adamc@286 1964
adam@1358 1965 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1966 unsigned int n = ch;
adam@1358 1967 int len;
adam@1358 1968 char *r;
adam@1358 1969
adam@1358 1970 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1971 r = ctx->heap.front;
adam@1358 1972 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1973 ctx->heap.front += len+1;
adam@1358 1974 return r;
adam@1358 1975 }
adam@1358 1976
adam@1358 1977 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1978 unsigned int n = ch;
adam@1358 1979 int len;
adam@1358 1980
adam@1358 1981 uw_check(ctx, INTS_MAX+3);
adam@1358 1982 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1983 ctx->page.front += len;
adam@1358 1984 return uw_unit_v;
adam@1358 1985 }
adam@1358 1986
adamc@311 1987 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1988 int len;
adamc@286 1989 char *r;
adamc@286 1990
adamc@311 1991 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1992 r = ctx->heap.front;
adamc@286 1993 sprintf(r, "%g%n", n, &len);
adamc@666 1994 ctx->heap.front += len+1;
adamc@286 1995 return r;
adamc@286 1996 }
adamc@286 1997
adamc@428 1998 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1999 int len;
adamc@286 2000
adamc@311 2001 uw_check(ctx, FLOATS_MAX);
adamc@666 2002 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2003 ctx->page.front += len;
adamc@428 2004
adamc@428 2005 return uw_unit_v;
adamc@286 2006 }
adamc@286 2007
adam@1365 2008 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2009 int len;
adam@1360 2010 char *r;
adam@1360 2011
adam@1360 2012 uw_check_heap(ctx, INTS_MAX);
adam@1360 2013 r = ctx->heap.front;
adamc@1377 2014 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2015 ctx->heap.front += len+1;
adam@1360 2016 return r;
adam@1360 2017 }
adam@1360 2018
adam@1365 2019 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2020 int len;
adam@1360 2021
adam@1360 2022 uw_check(ctx, INTS_MAX);
adam@1360 2023 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2024 ctx->page.front += len;
adam@1360 2025
adam@1360 2026 return uw_unit_v;
adam@1360 2027 }
adam@1360 2028
adamc@311 2029 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 2030 char *r, *s2;
adamc@137 2031
adamc@311 2032 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2033
adamc@666 2034 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2035 unsigned char c = *s;
adamc@137 2036
adamc@137 2037 switch (c) {
adamc@137 2038 case '<':
adamc@137 2039 strcpy(s2, "&lt;");
adamc@137 2040 s2 += 4;
adamc@137 2041 break;
adamc@137 2042 case '&':
adamc@137 2043 strcpy(s2, "&amp;");
adamc@137 2044 s2 += 5;
adamc@137 2045 break;
adamc@137 2046 default:
adamc@1059 2047 *s2++ = c;
adamc@137 2048 }
adamc@137 2049 }
adamc@137 2050
adamc@137 2051 *s2++ = 0;
adamc@666 2052 ctx->heap.front = s2;
adamc@137 2053 return r;
adamc@135 2054 }
adamc@135 2055
adamc@428 2056 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2057 uw_check(ctx, strlen(s) * 6);
adamc@135 2058
adamc@135 2059 for (; *s; s++) {
adamc@1054 2060 unsigned char c = *s;
adamc@135 2061
adamc@135 2062 switch (c) {
adamc@135 2063 case '<':
adamc@311 2064 uw_write_unsafe(ctx, "&lt;");
adamc@135 2065 break;
adamc@135 2066 case '&':
adamc@311 2067 uw_write_unsafe(ctx, "&amp;");
adamc@135 2068 break;
adamc@135 2069 default:
adamc@1059 2070 uw_writec_unsafe(ctx, c);
adamc@135 2071 }
adamc@135 2072 }
adamc@428 2073
adamc@428 2074 return uw_unit_v;
adamc@135 2075 }
adamc@180 2076
adamc@311 2077 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2078 if (b == uw_Basis_False)
adamc@286 2079 return "False";
adamc@286 2080 else
adamc@286 2081 return "True";
adamc@286 2082 }
adamc@286 2083
adamc@428 2084 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2085 if (b == uw_Basis_False) {
adamc@311 2086 uw_check(ctx, 6);
adamc@666 2087 strcpy(ctx->page.front, "False");
adamc@666 2088 ctx->page.front += 5;
adamc@286 2089 } else {
adamc@311 2090 uw_check(ctx, 5);
adamc@666 2091 strcpy(ctx->page.front, "True");
adamc@666 2092 ctx->page.front += 4;
adamc@286 2093 }
adamc@428 2094
adamc@428 2095 return uw_unit_v;
adamc@286 2096 }
adamc@286 2097
adamc@436 2098 #define TIME_FMT "%x %X"
adamc@438 2099 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2100
adamc@436 2101 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2102 size_t len;
adamc@436 2103 char *r;
adamc@436 2104 struct tm stm;
adamc@436 2105
adam@1365 2106 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2107 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2108 r = ctx->heap.front;
adamc@436 2109 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2110 ctx->heap.front += len+1;
adamc@436 2111 return r;
adamc@436 2112 } else
adamc@436 2113 return "<i>Invalid time</i>";
adamc@436 2114 }
adamc@436 2115
adamc@436 2116 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2117 size_t len;
adamc@436 2118 char *r;
adamc@436 2119 struct tm stm;
adamc@436 2120
adam@1365 2121 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2122 uw_check(ctx, TIMES_MAX);
adamc@666 2123 r = ctx->page.front;
adamc@436 2124 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2125 ctx->page.front += len;
adamc@436 2126 } else {
adamc@436 2127 uw_check(ctx, 20);
adamc@666 2128 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2129 ctx->page.front += 19;
adamc@436 2130 }
adamc@436 2131
adamc@436 2132 return uw_unit_v;
adamc@436 2133 }
adamc@436 2134
adamc@821 2135 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2136 if (n >= 0 && n < strlen(s))
adamc@821 2137 return s[n];
adamc@821 2138 else
adamc@821 2139 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 2140 }
adamc@821 2141
adamc@821 2142 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2143 if (n >= 0 && n < strlen(s))
adamc@821 2144 return &s[n];
adamc@821 2145 else
adamc@821 2146 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 2147 }
adamc@821 2148
adamc@828 2149 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2150 return strlen(s);
adamc@828 2151 }
adamc@828 2152
adamc@829 2153 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2154 return strchr(s, ch);
adamc@829 2155 }
adamc@829 2156
adamc@831 2157 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2158 return strcspn(s, chs);
adamc@831 2159 }
adamc@831 2160
adamc@829 2161 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2162 uw_Basis_string r = strchr(s, ch);
adamc@829 2163 if (r == NULL)
adamc@829 2164 return NULL;
adamc@829 2165 else {
adamc@829 2166 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2167 *nr = r - s;
adamc@829 2168 return nr;
adamc@829 2169 }
adamc@829 2170 }
adamc@829 2171
adamc@311 2172 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2173 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2174 char *s;
adamc@180 2175
adamc@311 2176 uw_check_heap(ctx, len);
adamc@180 2177
adamc@666 2178 s = ctx->heap.front;
adamc@180 2179
adamc@180 2180 strcpy(s, s1);
adamc@180 2181 strcat(s, s2);
adamc@666 2182 ctx->heap.front += len;
adamc@180 2183
adamc@180 2184 return s;
adamc@180 2185 }
adamc@278 2186
adamc@829 2187 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2188 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2189
adamc@829 2190 if (start < 0)
adamc@829 2191 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2192 if (len < 0)
adamc@829 2193 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2194 if (start + len > full_len)
adamc@829 2195 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2196
adamc@829 2197 if (start + len == full_len)
adamc@829 2198 return &s[start];
adamc@829 2199 else {
adamc@829 2200 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2201 memcpy(r, s+start, len);
adamc@829 2202 r[len] = 0;
adamc@829 2203 return r;
adamc@829 2204 }
adamc@829 2205
adamc@829 2206 }
adamc@829 2207
adamc@1023 2208 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2209 char *r;
adamc@1023 2210
adamc@1023 2211 uw_check_heap(ctx, 2);
adamc@1023 2212 r = ctx->heap.front;
adamc@1023 2213 r[0] = ch;
adamc@1023 2214 r[1] = 0;
adamc@1023 2215
adamc@1023 2216 ctx->heap.front += 2;
adamc@1023 2217
adamc@1023 2218 return r;
adamc@1023 2219 }
adamc@1023 2220
adamc@737 2221 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2222 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2223 char *s;
adamc@278 2224
adamc@311 2225 uw_check_heap(ctx, len);
adamc@278 2226
adamc@666 2227 s = ctx->heap.front;
adamc@278 2228
adamc@278 2229 strcpy(s, s1);
adamc@666 2230 ctx->heap.front += len;
adamc@278 2231
adamc@278 2232 return s;
adamc@278 2233 }
adamc@280 2234
adam@1295 2235 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2236 if (ctx->error_message[0]) {
adam@1295 2237 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2238 ctx->error_message[0] = 0;
adam@1295 2239 return s;
adam@1295 2240 } else
adam@1295 2241 return NULL;
adam@1295 2242 }
adam@1295 2243
adamc@737 2244 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2245 if (s1)
adamc@737 2246 return uw_strdup(ctx, s1);
adamc@493 2247 else
adamc@493 2248 return NULL;
adamc@493 2249 }
adamc@493 2250
adamc@742 2251 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2252 char *r = uw_malloc(ctx, len);
adamc@742 2253 memcpy(r, p, len);
adamc@742 2254 return r;
adamc@742 2255 }
adamc@280 2256
adamc@879 2257 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2258
adamc@311 2259 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2260 int len;
adamc@281 2261 char *r;
adamc@281 2262
adamc@311 2263 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2264 r = ctx->heap.front;
adamc@879 2265 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2266 ctx->heap.front += len+1;
adamc@281 2267 return r;
adamc@281 2268 }
adamc@281 2269
adamc@467 2270 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2271 if (n == NULL)
adamc@467 2272 return "NULL";
adamc@467 2273 else
adamc@467 2274 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2275 }
adamc@467 2276
adamc@879 2277 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2278
adamc@311 2279 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2280 int len;
adamc@281 2281 char *r;
adamc@281 2282
adamc@311 2283 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2284 r = ctx->heap.front;
adamc@879 2285 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2286 ctx->heap.front += len+1;
adamc@281 2287 return r;
adamc@281 2288 }
adamc@281 2289
adamc@467 2290 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2291 if (n == NULL)
adamc@467 2292 return "NULL";
adamc@467 2293 else
adamc@467 2294 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2295 }
adamc@467 2296
adamc@879 2297 int uw_Estrings = 1;
adamc@879 2298 char *uw_sqlsuffixString = "::text";
adamc@1011 2299 char *uw_sqlsuffixChar = "::char";
adamc@281 2300
adamc@311 2301 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2302 char *r, *s2;
adamc@280 2303
adamc@879 2304 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2305
adamc@666 2306 r = s2 = ctx->heap.front;
adamc@879 2307 if (uw_Estrings)
adamc@879 2308 *s2++ = 'E';
adamc@280 2309 *s2++ = '\'';
adamc@280 2310
adamc@280 2311 for (; *s; s++) {
adamc@280 2312 char c = *s;
adamc@280 2313
adamc@280 2314 switch (c) {
adamc@280 2315 case '\'':
adamc@885 2316 if (uw_Estrings)
adamc@885 2317 strcpy(s2, "\\'");
adamc@885 2318 else
adamc@885 2319 strcpy(s2, "''");
adamc@280 2320 s2 += 2;
adamc@280 2321 break;
adamc@280 2322 case '\\':
adamc@885 2323 if (uw_Estrings) {
adamc@885 2324 strcpy(s2, "\\\\");
adamc@885 2325 s2 += 2;
adamc@885 2326 } else
adamc@885 2327 *s2++ = '\\';
adamc@280 2328 break;
adamc@280 2329 default:
adamc@1150 2330 if (isprint((int)c))
adamc@280 2331 *s2++ = c;
adamc@879 2332 else if (uw_Estrings) {
adamc@737 2333 sprintf(s2, "\\%03o", c);
adamc@280 2334 s2 += 4;
adamc@280 2335 }
adamc@879 2336 else
adamc@879 2337 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2338 }
adamc@280 2339 }
adamc@280 2340
adamc@879 2341 *s2++ = '\'';
adamc@879 2342 strcpy(s2, uw_sqlsuffixString);
adamc@879 2343 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2344 return r;
adamc@280 2345 }
adamc@281 2346
adamc@1011 2347 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2348 char *r, *s2;
adamc@1011 2349
adamc@1011 2350 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2351
adamc@1011 2352 r = s2 = ctx->heap.front;
adamc@1011 2353 if (uw_Estrings)
adamc@1011 2354 *s2++ = 'E';
adamc@1011 2355 *s2++ = '\'';
adamc@1011 2356
adamc@1011 2357 switch (c) {
adamc@1011 2358 case '\'':
adamc@1011 2359 if (uw_Estrings)
adamc@1011 2360 strcpy(s2, "\\'");
adamc@1011 2361 else
adamc@1011 2362 strcpy(s2, "''");
adamc@1011 2363 s2 += 2;
adamc@1011 2364 break;
adamc@1011 2365 case '\\':
adamc@1011 2366 if (uw_Estrings) {
adamc@1011 2367 strcpy(s2, "\\\\");
adamc@1011 2368 s2 += 2;
adamc@1011 2369 } else
adamc@1011 2370 *s2++ = '\\';
adamc@1011 2371 break;
adamc@1011 2372 default:
adamc@1150 2373 if (isprint((int)c))
adamc@1011 2374 *s2++ = c;
adamc@1011 2375 else if (uw_Estrings) {
adamc@1011 2376 sprintf(s2, "\\%03o", c);
adamc@1011 2377 s2 += 4;
adamc@1011 2378 }
adamc@1011 2379 else
adamc@1011 2380 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2381 }
adamc@1011 2382
adamc@1011 2383 *s2++ = '\'';
adamc@1011 2384 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2385 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2386 return r;
adamc@1011 2387 }
adamc@1011 2388
adamc@879 2389 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2390
adamc@737 2391 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2392 char *r, *s2;
adamc@737 2393 size_t i;
adamc@737 2394
adamc@879 2395 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2396
adamc@737 2397 r = s2 = ctx->heap.front;
adamc@879 2398 if (uw_Estrings)
adamc@879 2399 *s2++ = 'E';
adamc@737 2400 *s2++ = '\'';
adamc@737 2401
adamc@737 2402 for (i = 0; i < b.size; ++i) {
adamc@737 2403 char c = b.data[i];
adamc@737 2404
adamc@737 2405 switch (c) {
adamc@737 2406 case '\'':
adamc@885 2407 if (uw_Estrings)
adamc@885 2408 strcpy(s2, "\\'");
adamc@885 2409 else
adamc@885 2410 strcpy(s2, "''");
adamc@737 2411 s2 += 2;
adamc@737 2412 break;
adamc@737 2413 case '\\':
adamc@885 2414 if (uw_Estrings) {
adamc@885 2415 strcpy(s2, "\\\\\\\\");
adamc@885 2416 s2 += 4;
adamc@885 2417 } else
adamc@885 2418 *s2++ = '\\';
adamc@737 2419 break;
adamc@737 2420 default:
adamc@1150 2421 if (isprint((int)c))
adamc@737 2422 *s2++ = c;
adamc@879 2423 else if (uw_Estrings) {
adamc@737 2424 sprintf(s2, "\\\\%03o", c);
adamc@737 2425 s2 += 5;
adamc@737 2426 }
adamc@879 2427 else
adamc@879 2428 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2429 }
adamc@737 2430 }
adamc@737 2431
adamc@879 2432 *s2++ = '\'';
adamc@879 2433 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2434 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2435 return r;
adamc@737 2436 }
adamc@737 2437
adamc@682 2438 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2439 int len;
adamc@682 2440 char *r;
adamc@682 2441 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2442
adamc@682 2443 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2444 r = ctx->heap.front;
adamc@879 2445 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2446 ctx->heap.front += len+1;
adamc@682 2447 return r;
adamc@682 2448 }
adamc@682 2449
adamc@682 2450 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2451 int len;
adamc@682 2452 char *r;
adamc@682 2453 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2454
adamc@682 2455 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2456 r = ctx->heap.front;
adamc@682 2457 sprintf(r, "%lld%n", combo, &len);
adamc@682 2458 ctx->heap.front += len+1;
adamc@682 2459 return r;
adamc@682 2460 }
adamc@682 2461
adamc@879 2462 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2463
adamc@682 2464 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2465 int len;
adamc@682 2466 char *r;
adamc@682 2467
adamc@682 2468 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2469 r = ctx->heap.front;
adamc@879 2470 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2471 ctx->heap.front += len+1;
adamc@682 2472 return r;
adamc@682 2473 }
adamc@682 2474
adamc@682 2475 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2476 int len;
adamc@682 2477 char *r;
adamc@682 2478
adamc@682 2479 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2480 r = ctx->heap.front;
adamc@682 2481 sprintf(r, "%u%n", cli, &len);
adamc@682 2482 ctx->heap.front += len+1;
adamc@682 2483 return r;
adamc@682 2484 }
adamc@682 2485
adamc@467 2486 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2487 if (s == NULL)
adamc@467 2488 return "NULL";
adamc@467 2489 else
adamc@467 2490 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2491 }
adamc@467 2492
adamc@311 2493 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2494 if (b == uw_Basis_False)
adamc@281 2495 return "FALSE";
adamc@281 2496 else
adamc@281 2497 return "TRUE";
adamc@281 2498 }
adamc@282 2499
adamc@467 2500 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2501 if (b == NULL)
adamc@467 2502 return "NULL";
adamc@467 2503 else
adamc@467 2504 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2505 }
adamc@467 2506
adamc@439 2507 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2508 size_t len;
adamc@682 2509 char *r, *s;
adamc@682 2510 struct tm stm;
adamc@682 2511
adam@1365 2512 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2513 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2514 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2515 if (t.microseconds) {
adam@1367 2516 r = uw_malloc(ctx, len + 21);
adam@1367 2517 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2518 } else {
adam@1367 2519 r = uw_malloc(ctx, len + 14);
adam@1367 2520 sprintf(r, "'%s'::timestamp", s);
adam@1367 2521 }
adamc@682 2522 return r;
adamc@682 2523 } else
adamc@682 2524 return "<Invalid time>";
adamc@682 2525 }
adamc@682 2526
adamc@682 2527 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2528 size_t len;
adamc@439 2529 char *r;
adamc@439 2530 struct tm stm;
adamc@439 2531
adam@1365 2532 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2533 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2534 r = ctx->heap.front;
adamc@439 2535 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2536 ctx->heap.front += len+1;
adamc@439 2537 return r;
adamc@439 2538 } else
adamc@439 2539 return "<Invalid time>";
adamc@439 2540 }
adamc@439 2541
adam@1364 2542 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2543 size_t len;
adam@1364 2544 char *r;
adam@1364 2545 struct tm stm;
adam@1364 2546
adam@1365 2547 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2548 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2549 r = ctx->heap.front;
adam@1365 2550 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2551 ctx->heap.front += len;
adam@1365 2552 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2553 ctx->heap.front += 8;
adam@1364 2554 return r;
adam@1364 2555 } else
adam@1364 2556 return "<Invalid time>";
adam@1364 2557 }
adam@1364 2558
adamc@467 2559 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2560 if (t == NULL)
adamc@467 2561 return "NULL";
adamc@467 2562 else
adamc@467 2563 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2564 }
adamc@467 2565
adamc@311 2566 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2567 static uw_Basis_int true = 1;
adamc@311 2568 static uw_Basis_int false = 0;
adamc@282 2569
adamc@311 2570 if (b == uw_Basis_False)
adamc@282 2571 return (char *)&false;
adamc@282 2572 else
adamc@282 2573 return (char *)&true;
adamc@282 2574 }
adamc@284 2575
adamc@311 2576 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2577 int len;
adamc@284 2578 char *r;
adamc@284 2579
adamc@311 2580 uw_check_heap(ctx, INTS_MAX);
adamc@666 2581 r = ctx->heap.front;
adamc@284 2582 sprintf(r, "%lld%n", n, &len);
adamc@666 2583 ctx->heap.front += len+1;
adamc@284 2584 return r;
adamc@284 2585 }
adamc@285 2586
adamc@311 2587 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2588 int len;
adamc@285 2589 char *r;
adamc@285 2590
adamc@311 2591 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2592 r = ctx->heap.front;
adamc@285 2593 sprintf(r, "%g%n", n, &len);
adamc@666 2594 ctx->heap.front += len+1;
adamc@285 2595 return r;
adamc@285 2596 }
adamc@285 2597
adamc@821 2598 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2599 char *r = uw_malloc(ctx, 2);
adamc@821 2600 r[0] = ch;
adamc@821 2601 r[1] = 0;
adamc@821 2602 return r;
adamc@821 2603 }
adamc@821 2604
adamc@311 2605 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2606 if (b == uw_Basis_False)
adamc@285 2607 return "False";
adamc@285 2608 else
adamc@285 2609 return "True";
adamc@285 2610 }
adamc@288 2611
adamc@436 2612 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2613 size_t len;
adamc@436 2614 char *r;
adamc@436 2615 struct tm stm;
adamc@436 2616
adam@1365 2617 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2618 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2619 r = ctx->heap.front;
adamc@436 2620 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2621 ctx->heap.front += len+1;
adamc@436 2622 return r;
adamc@436 2623 } else
adamc@436 2624 return "<Invalid time>";
adamc@436 2625 }
adamc@288 2626
adam@1359 2627 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2628 size_t len;
adam@1352 2629 char *r;
adam@1352 2630 struct tm stm;
adam@1352 2631
adam@1365 2632 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2633 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2634 r = ctx->heap.front;
adam@1352 2635 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2636 ctx->heap.front += len+1;
adam@1352 2637 return r;
adam@1352 2638 } else
adam@1352 2639 return "<Invalid time>";
adam@1352 2640 }
adam@1352 2641
adamc@311 2642 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2643 char *endptr;
adamc@311 2644 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2645
adamc@288 2646 if (*s != '\0' && *endptr == '\0') {
adamc@311 2647 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2648 *r = n;
adamc@288 2649 return r;
adamc@288 2650 } else
adamc@288 2651 return NULL;
adamc@288 2652 }
adamc@289 2653
adamc@311 2654 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2655 char *endptr;
adamc@311 2656 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2657
adamc@289 2658 if (*s != '\0' && *endptr == '\0') {
adamc@311 2659 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2660 *r = n;
adamc@289 2661 return r;
adamc@289 2662 } else
adamc@289 2663 return NULL;
adamc@289 2664 }
adamc@289 2665
adamc@821 2666 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2667 if (s[0] == 0) {
adamc@821 2668 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2669 r[0] = 0;
adamc@821 2670 return r;
adamc@821 2671 } else if (s[1] != 0)
adamc@821 2672 return NULL;
adamc@821 2673 else {
adamc@821 2674 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2675 r[0] = s[0];
adamc@821 2676 return r;
adamc@821 2677 }
adamc@821 2678 }
adamc@821 2679
adamc@311 2680 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2681 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2682 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2683
adamc@289 2684 if (!strcasecmp (s, "True"))
adamc@289 2685 return &true;
adamc@289 2686 else if (!strcasecmp (s, "False"))
adamc@289 2687 return &false;
adamc@289 2688 else
adamc@289 2689 return NULL;
adamc@289 2690 }
adamc@292 2691
adamc@436 2692 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2693 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2694 struct tm stm = {};
adamc@436 2695
adamc@439 2696 if (dot) {
adamc@439 2697 *dot = 0;
adamc@439 2698 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2699 *dot = '.';
adamc@439 2700 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2701 r->seconds = mktime(&stm);
adam@1365 2702 r->microseconds = 0;
adamc@439 2703 return r;
adamc@439 2704 }
adamc@439 2705 else {
adamc@439 2706 *dot = '.';
adamc@439 2707 return NULL;
adamc@439 2708 }
adamc@436 2709 }
adamc@439 2710 else {
adamc@439 2711 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2712 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2713 r->seconds = mktime(&stm);
adam@1365 2714 r->microseconds = 0;
adamc@439 2715 return r;
adamc@439 2716 }
adamc@439 2717 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2718 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2719 r->seconds = mktime(&stm);
adam@1365 2720 r->microseconds = 0;
adamc@439 2721 return r;
adamc@439 2722 }
adamc@439 2723 else
adamc@439 2724 return NULL;
adamc@439 2725 }
adamc@436 2726 }
adamc@436 2727
adam@1352 2728 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2729 char *end = strchr(s, 0);
adam@1374 2730 struct tm stm = {};
adam@1352 2731
adam@1352 2732 if (strptime(s, fmt, &stm) == end) {
adam@1352 2733 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2734 r->seconds = mktime(&stm);
adam@1365 2735 r->microseconds = 0;
adam@1352 2736 return r;
adam@1352 2737 }
adam@1352 2738 else
adam@1352 2739 return NULL;
adam@1352 2740 }
adam@1352 2741
adamc@311 2742 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2743 char *endptr;
adamc@311 2744 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2745
adamc@292 2746 if (*s != '\0' && *endptr == '\0')
adamc@292 2747 return n;
adamc@292 2748 else
adamc@311 2749 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2750 }
adamc@293 2751
adamc@682 2752 #include <errno.h>
adamc@682 2753
adamc@678 2754 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2755 unsigned long long n;
adamc@682 2756
adamc@682 2757 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2758 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2759 else {
adamc@682 2760 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2761 return ch;
adamc@682 2762 }
adamc@682 2763 }
adamc@682 2764
adamc@682 2765 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2766 char *endptr;
adamc@682 2767 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2768
adamc@678 2769 if (*s != '\0' && *endptr == '\0')
adamc@678 2770 return n;
adamc@678 2771 else
adamc@682 2772 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2773 }
adamc@678 2774
adamc@311 2775 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2776 char *endptr;
adamc@311 2777 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2778
adamc@293 2779 if (*s != '\0' && *endptr == '\0')
adamc@293 2780 return n;
adamc@293 2781 else
adamc@311 2782 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2783 }
adamc@293 2784
adamc@821 2785 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2786 if (s[0] == 0)
adamc@821 2787 return 0;
adamc@821 2788 else if (s[1] != 0)
adamc@821 2789 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2790 else
adamc@821 2791 return s[0];
adamc@821 2792 }
adamc@821 2793
adamc@311 2794 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2795 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2796 return uw_Basis_True;
adamc@296 2797 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2798 return uw_Basis_False;
adamc@293 2799 else
adamc@311 2800 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2801 }
adamc@436 2802
adam@1352 2803 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2804 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2805 struct tm stm = {};
adam@1352 2806
adam@1352 2807 if (dot) {
adam@1352 2808 *dot = 0;
adam@1352 2809 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2810 *dot = '.';
adam@1365 2811 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365 2812 return r;
adam@1352 2813 }
adam@1352 2814 else {
adam@1352 2815 *dot = '.';
adam@1352 2816 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2817 }
adam@1352 2818 }
adam@1352 2819 else {
adam@1352 2820 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2821 uw_Basis_time r = { mktime(&stm) };
adam@1365 2822 return r;
adam@1352 2823 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2824 uw_Basis_time r = { mktime(&stm) };
adam@1365 2825 return r;
adam@1352 2826 } else
adam@1352 2827 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2828 }
adam@1352 2829 }
adam@1352 2830
adamc@436 2831 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2832 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2833 struct tm stm = {};
adamc@436 2834
adamc@438 2835 if (dot) {
adamc@438 2836 *dot = 0;
adamc@438 2837 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2838 *dot = '.';
adam@1365 2839 {
adam@1365 2840 uw_Basis_time r = { mktime(&stm) };
adam@1365 2841 return r;
adam@1365 2842 }
adamc@438 2843 }
adamc@438 2844 else {
adamc@438 2845 *dot = '.';
adamc@438 2846 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2847 }
adamc@438 2848 }
adamc@438 2849 else {
adam@1365 2850 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2851 uw_Basis_time r = { mktime(&stm) };
adam@1365 2852 return r;
adam@1365 2853 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2854 uw_Basis_time r = { mktime(&stm) };
adam@1365 2855 return r;
adam@1365 2856 } else
adamc@438 2857 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2858 }
adamc@436 2859 }
adamc@457 2860
adam@1352 2861 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2862 char *end = strchr(s, 0);
adamc@939 2863 struct tm stm = {};
adamc@939 2864
adam@1365 2865 if (strptime(s, fmt, &stm) == end) {
adam@1365 2866 uw_Basis_time r = { mktime(&stm) };
adam@1365 2867 return r;
adam@1365 2868 } else
adam@1352 2869 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2870 }
adamc@939 2871
adamc@742 2872 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2873 char *r = ctx->heap.front;
adamc@742 2874 uw_Basis_blob b = {len, r};
adamc@742 2875
adamc@742 2876 uw_check_heap(ctx, len);
adamc@742 2877
adamc@742 2878 while (*s) {
adamc@742 2879 if (s[0] == '\\') {
adamc@742 2880 if (s[1] == '\\') {
adamc@742 2881 *r++ = '\\';
adamc@742 2882 s += 2;
adamc@1153 2883 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2884 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2885 s += 4;
adamc@742 2886 }
adamc@742 2887 else {
adamc@742 2888 *r++ = '\\';
adamc@742 2889 ++s;
adamc@742 2890 }
adamc@742 2891 } else {
adamc@742 2892 *r++ = s[0];
adamc@742 2893 ++s;
adamc@742 2894 }
adamc@742 2895 }
adamc@742 2896
adamc@742 2897 b.size = r - ctx->heap.front;
adamc@742 2898 ctx->heap.front = r;
adamc@742 2899 return b;
adamc@742 2900 }
adamc@742 2901
adamc@1052 2902 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2903
adamc@463 2904 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2905 int len = strlen(c);
adamc@854 2906 char *p = ctx->outHeaders.start;
adamc@474 2907
adamc@1134 2908 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2909 char *p2;
adamc@474 2910 p += 13;
adamc@474 2911 p2 = strchr(p, '=');
adamc@474 2912
adamc@474 2913 if (p2) {
adamc@474 2914 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2915
adamc@474 2916 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2917 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2918 return NULL;
adamc@1052 2919 else {
adamc@1052 2920 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2921 memcpy(ret, p2+1, sz);
adamc@1052 2922 ret[sz] = 0;
adamc@1052 2923 return ret;
adamc@1052 2924 }
adamc@474 2925 }
adamc@474 2926 }
adamc@474 2927 }
adamc@463 2928
adamc@1134 2929 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2930 char *p2;
adamc@1051 2931
adamc@854 2932 while (1) {
adamc@1051 2933 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2934 if ((p2 = strchr(p, ';'))) {
adamc@1051 2935 size_t n = p2 - (p + len);
adamc@1051 2936 char *r = uw_malloc(ctx, n);
adamc@1051 2937 memcpy(r, p + 1 + len, n-1);
adamc@1051 2938 r[n-1] = 0;
adamc@1051 2939 return r;
adamc@1051 2940 } else
adamc@1051 2941 return p + 1 + len;
adamc@1134 2942 } else if ((p = strchr(p, ';')))
adamc@854 2943 p += 2;
adamc@463 2944 else
adamc@463 2945 return NULL;
adamc@463 2946 }
adamc@463 2947 }
adamc@792 2948
adamc@792 2949 return NULL;
adamc@457 2950 }
adamc@462 2951
adamc@1050 2952 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 2953 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2954 uw_write_header(ctx, c);
adamc@462 2955 uw_write_header(ctx, "=");
adamc@462 2956 uw_write_header(ctx, v);
adamc@466 2957 uw_write_header(ctx, "; path=");
adamc@466 2958 uw_write_header(ctx, prefix);
adamc@1050 2959 if (expires) {
adamc@1050 2960 char formatted[30];
adamc@1050 2961 struct tm tm;
adamc@1050 2962
adam@1365 2963 gmtime_r(&expires->seconds, &tm);
adamc@1050 2964
adamc@1050 2965 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2966
adamc@1050 2967 uw_write_header(ctx, "; expires=");
adamc@1050 2968 uw_write_header(ctx, formatted);
adamc@1050 2969 }
adamc@1050 2970 if (secure)
adamc@1050 2971 uw_write_header(ctx, "; secure");
adamc@462 2972 uw_write_header(ctx, "\r\n");
adamc@462 2973
adamc@462 2974 return uw_unit_v;
adamc@462 2975 }
adamc@667 2976
adamc@1050 2977 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2978 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2979 uw_write_header(ctx, c);
adamc@1050 2980 uw_write_header(ctx, "=; path=");
adamc@1050 2981 uw_write_header(ctx, prefix);
adamc@1052 2982 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2983
adamc@1050 2984 return uw_unit_v;
adamc@1050 2985 }
adamc@1050 2986
adamc@1113 2987 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 2988
adamc@682 2989 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2990 unsigned i;
adamc@682 2991 delta *d;
adamc@671 2992
adamc@682 2993 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2994 if (ctx->deltas[i].client == client)
adamc@682 2995 return &ctx->deltas[i];
adamc@671 2996
adamc@682 2997 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 2998 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 2999 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3000
adamc@682 3001 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3002 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3003 }
adamc@671 3004
adamc@682 3005 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3006 d->client = client;
adam@1369 3007 uw_buffer_reset(&d->msgs);
adamc@682 3008 return d;
adamc@671 3009 }
adamc@671 3010
adamc@668 3011 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3012 if (ctx->client == NULL)
adamc@682 3013 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3014
adamc@682 3015 return new_channel(ctx->client);
adamc@668 3016 }
adamc@668 3017
adamc@668 3018 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3019 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3020 size_t len;
adamc@682 3021 int preLen;
adamc@682 3022 char pre[INTS_MAX + 2];
adamc@668 3023
adamc@682 3024 len = strlen(msg);
adamc@682 3025
adamc@682 3026 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3027
adam@1369 3028 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3029 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3030 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3031
adamc@671 3032 return uw_unit_v;
adamc@668 3033 }
adamc@671 3034
adam@1327 3035 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3036 int i;
adamc@1131 3037 cleanup *cl;
adamc@1131 3038
adamc@1131 3039 if (ctx->client)
adamc@1131 3040 release_client(ctx->client);
adamc@1131 3041
adamc@1131 3042 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3043 cl->func(cl->arg);
adamc@1131 3044
adamc@1131 3045 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3046
adamc@1131 3047 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3048 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3049 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3050
adamc@1131 3051 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3052 if (ctx->transactionals[i].free)
adam@1327 3053 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3054
adamc@1144 3055 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3056 }
adamc@1131 3057
adamc@671 3058 void uw_commit(uw_context ctx) {
adamc@1104 3059 int i;
adamc@1104 3060
adamc@1131 3061 if (uw_has_error(ctx)) {
adam@1327 3062 uw_rollback(ctx, 0);
adamc@1131 3063 return;
adamc@1131 3064 }
adamc@1131 3065
adamc@1104 3066 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3067 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3068 if (ctx->transactionals[i].commit) {
adamc@1083 3069 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3070 if (uw_has_error(ctx)) {
adam@1327 3071 uw_rollback(ctx, 0);
adamc@1131 3072 return;
adamc@1131 3073 }
adamc@1131 3074 }
adamc@771 3075
adamc@1104 3076 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3077 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3078 if (ctx->transactionals[i].commit) {
adamc@1083 3079 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3080 if (uw_has_error(ctx)) {
adam@1327 3081 uw_rollback(ctx, 0);
adamc@1131 3082 return;
adamc@1131 3083 }
adamc@1131 3084 }
adamc@1131 3085
adamc@1131 3086 if (ctx->app->db_commit(ctx)) {
adamc@1131 3087 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3088 return;
adamc@1131 3089 }
adamc@682 3090
adamc@682 3091 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3092 delta *d = &ctx->deltas[i];
adamc@682 3093 client *c = find_client(d->client);
adamc@682 3094
adamc@682 3095 assert (c != NULL && c->mode == USED);
adamc@682 3096
adamc@685 3097 client_send(c, &d->msgs);
adamc@682 3098 }
adamc@682 3099
adamc@682 3100 if (ctx->client)
adamc@685 3101 release_client(ctx->client);
adamc@771 3102
adamc@1104 3103 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3104 if (ctx->transactionals[i].free)
adam@1327 3105 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3106
adamc@916 3107 // Splice script data into appropriate part of page
adamc@1065 3108 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3109 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3110 if (start) {
adam@1369 3111 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3112 ctx->page.front -= 4;
adamc@995 3113 }
adam@1369 3114 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3115 size_t len = strlen(ctx->script_header);
adamc@916 3116 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3117 if (start) {
adam@1369 3118 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3119 start = strstr(ctx->page.start, "<sc>");
adam@1369 3120 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3121 ctx->page.front += len - 4;
adamc@916 3122 memcpy(start, ctx->script_header, len);
adamc@916 3123 }
adamc@916 3124 } else {
adam@1369 3125 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3126 size_t lenP = lenH + 40 + len;
adamc@916 3127 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3128 if (start) {
adam@1369 3129 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3130 start = strstr(ctx->page.start, "<sc>");
adam@1369 3131 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3132 ctx->page.front += lenP - 4;
adamc@916 3133 memcpy(start, ctx->script_header, lenH);
adamc@916 3134 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3135 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3136 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3137 }
adamc@916 3138 }
adamc@671 3139 }
adamc@671 3140
adamc@683 3141
adamc@1113 3142 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3143
adamc@771 3144 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3145 uw_callback_with_retry free) {
adamc@771 3146 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3147 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3148 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3149 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3150 ++ctx->n_transactionals;
adamc@771 3151 }
adamc@771 3152
adamc@771 3153 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3154 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3155 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3156 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3157 }
adamc@771 3158
adamc@683 3159
adamc@683 3160 // "Garbage collection"
adamc@683 3161
adamc@1121 3162 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3163 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3164
adamc@1121 3165 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3166 int r = setjmp(ctx->jmp_buf);
adamc@683 3167
adamc@1121 3168 if (r == 0)
adamc@1121 3169 uw_do_expunge(ctx, cli, data);
adamc@1121 3170 else
adamc@1121 3171 ctx->app->db_rollback(ctx);
adamc@1121 3172
adamc@1121 3173 uw_post_expunge(ctx, data);
adamc@683 3174
adamc@683 3175 return r;
adamc@683 3176 }
adamc@683 3177
adamc@683 3178 void uw_prune_clients(uw_context ctx) {
adamc@683 3179 client *c, *next, *prev = NULL;
adamc@683 3180 time_t cutoff;
adamc@683 3181
adamc@1094 3182 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3183
adamc@683 3184 pthread_mutex_lock(&clients_mutex);
adamc@683 3185
adamc@683 3186 for (c = clients_used; c; c = next) {
adamc@683 3187 next = c->next;
adamc@683 3188 pthread_mutex_lock(&c->lock);
adamc@685 3189 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3190 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3191 if (prev)
adamc@683 3192 prev->next = next;
adamc@683 3193 else
adamc@683 3194 clients_used = next;
adamc@684 3195 uw_reset(ctx);
adamc@683 3196 while (fk == UNLIMITED_RETRY) {
adamc@1121 3197 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3198 if (fk == UNLIMITED_RETRY)
adamc@684 3199 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3200 }
adamc@684 3201 if (fk == SUCCESS)
adamc@684 3202 free_client(c);
adamc@1121 3203 else
adamc@856 3204 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3205 }
adamc@683 3206 else
adamc@683 3207 prev = c;
adamc@683 3208 pthread_mutex_unlock(&c->lock);
adamc@683 3209 }
adamc@683 3210
adamc@683 3211 pthread_mutex_unlock(&clients_mutex);
adamc@683 3212 }
adamc@687 3213
adamc@687 3214 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3215 int r = setjmp(ctx->jmp_buf);
adamc@687 3216
adamc@687 3217 if (r == 0) {
adamc@1094 3218 if (ctx->app->db_begin(ctx))
adamc@687 3219 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3220 ctx->app->initializer(ctx);
adamc@1094 3221 if (ctx->app->db_commit(ctx))
adamc@687 3222 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3223 }
adamc@687 3224
adamc@687 3225 return r;
adamc@687 3226 }
adamc@717 3227
adamc@1065 3228 static int url_bad(uw_Basis_string s) {
adamc@1065 3229 for (; *s; ++s)
adamc@1153 3230 if (!isgraph((int)*s))
adamc@1065 3231 return 1;
adamc@1065 3232
adamc@1065 3233 return 0;
adamc@1065 3234 }
adamc@1065 3235
adamc@717 3236 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3237 if (url_bad(s))
adamc@1065 3238 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3239 if (ctx->app->check_url(s))
adamc@770 3240 return s;
adamc@770 3241 else
adamc@770 3242 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3243 }
adamc@734 3244
adamc@770 3245 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3246 if (url_bad(s))
adamc@1065 3247 return NULL;
adamc@1094 3248 if (ctx->app->check_url(s))
adamc@770 3249 return s;
adamc@770 3250 else
adamc@770 3251 return NULL;
adamc@770 3252 }
adamc@770 3253
adamc@770 3254 int mime_format(const char *s) {
adamc@770 3255 for (; *s; ++s)
adamc@1153 3256 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3257 return 0;
adamc@770 3258
adamc@770 3259 return 1;
adamc@770 3260 }
adamc@770 3261
adamc@741 3262 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3263 if (!mime_format(s))
adamc@770 3264 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3265
adamc@1094 3266 if (ctx->app->check_mime(s))
adamc@770 3267 return s;
adamc@770 3268 else
adamc@770 3269 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3270 }
adamc@770 3271
adamc@770 3272 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3273 if (!mime_format(s))
adamc@770 3274 return NULL;
adamc@770 3275
adamc@1094 3276 if (ctx->app->check_mime(s))
adamc@770 3277 return s;
adamc@770 3278 else
adamc@770 3279 return NULL;
adamc@741 3280 }
adamc@741 3281
adamc@734 3282 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3283 return s ? s : "";
adamc@734 3284 }
adamc@734 3285
adamc@734 3286 extern int uw_hash_blocksize;
adamc@734 3287
adamc@734 3288 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3289 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3290 int i;
adamc@734 3291
adamc@734 3292 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3293 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3294
adamc@734 3295 return r;
adamc@734 3296 }
adamc@734 3297
adamc@734 3298 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3299 return ctx->app->cookie_sig(ctx);
adamc@734 3300 }
adamc@737 3301
adamc@737 3302 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3303 return f.name;
adamc@737 3304 }
adamc@737 3305
adamc@740 3306 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3307 return f.type;
adamc@740 3308 }
adamc@740 3309
adamc@745 3310 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3311 return b.size;
adamc@745 3312 }
adamc@745 3313
adamc@1119 3314 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3315 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3316
adamc@1119 3317 return b;
adamc@1119 3318 }
adamc@1119 3319
adamc@737 3320 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3321 return f.data;
adamc@737 3322 }
adamc@741 3323
adam@1347 3324 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3325 return pb.type;
adam@1347 3326 }
adam@1347 3327
adam@1347 3328 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3329 return pb.data;
adam@1347 3330 }
adam@1347 3331
adamc@741 3332 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3333 cleanup *cl;
adamc@741 3334 int len;
adamc@741 3335
adamc@1065 3336 ctx->returning_indirectly = 1;
adam@1369 3337 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3338 uw_buffer_reset(&ctx->page);
adamc@741 3339
adamc@856 3340 uw_write_header(ctx, on_success);
adamc@856 3341 uw_write_header(ctx, "Content-Type: ");
adamc@741 3342 uw_write_header(ctx, mimeType);
adamc@741 3343 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3344 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3345 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3346 ctx->outHeaders.front += len;
adamc@1066 3347 uw_write_header(ctx, "\r\n");
adamc@741 3348
adam@1369 3349 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3350
adamc@741 3351 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3352 cl->func(cl->arg);
adamc@741 3353
adamc@741 3354 ctx->cleanup_front = ctx->cleanup;
adamc@741 3355
adamc@1065 3356 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3357 }
adamc@1065 3358
adamc@1065 3359 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3360 cleanup *cl;
adamc@1066 3361 char *s;
adamc@1065 3362
adamc@1065 3363 ctx->returning_indirectly = 1;
adam@1369 3364 uw_buffer_reset(&ctx->page);
adam@1369 3365 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3366 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3367 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3368 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3369
adamc@1065 3370 uw_write_header(ctx, on_redirect);
adamc@1066 3371
adamc@1066 3372 s = strchr(ctx->page.start, '\n');
adamc@1066 3373 if (s) {
adamc@1066 3374 char *s2;
adamc@1134 3375 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3376 *s2 = 0;
adamc@1066 3377 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3378 uw_write_header(ctx, s);
adamc@1066 3379 uw_write_header(ctx, "\n");
adamc@1066 3380 }
adamc@1066 3381 }
adamc@1066 3382 }
adamc@1066 3383
adamc@1065 3384 uw_write_header(ctx, "Location: ");
adamc@1065 3385 uw_write_header(ctx, url);
adamc@1065 3386 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3387
adamc@1065 3388 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3389 cl->func(cl->arg);
adamc@1065 3390
adamc@1065 3391 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3392
adamc@1065 3393 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3394 }
adamc@874 3395
adamc@874 3396 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3397 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3398
adamc@874 3399 for (; *s; ++s) {
adamc@874 3400 if (s[0] == '\'') {
adamc@874 3401 *r++ = '\'';
adamc@874 3402 for (++s; *s; ++s) {
adamc@874 3403 if (s[0] == '\'') {
adamc@874 3404 *r++ = '\'';
adamc@874 3405 break;
adamc@874 3406 } else if (s[0] == '\\') {
adamc@874 3407 if (s[1] == '\\') {
adamc@874 3408 *r++ = '\\';
adamc@874 3409 *r++ = '\\';
adamc@874 3410 ++s;
adamc@874 3411 } else if (s[1] == '\'') {
adamc@874 3412 *r++ = '\\';
adamc@874 3413 *r++ = '\'';
adamc@874 3414 ++s;
adamc@874 3415 } else
adamc@874 3416 *r++ = '\'';
adamc@874 3417 } else
adamc@874 3418 *r++ = s[0];
adamc@874 3419 }
adamc@874 3420 if (*s == 0) break;
adamc@874 3421 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3422 ++s;
adamc@874 3423 else
adamc@874 3424 *r++ = s[0];
adamc@874 3425 }
adamc@874 3426
adamc@874 3427 return r;
adamc@874 3428 }
adamc@874 3429
adamc@922 3430 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3431 va_list ap;
adamc@922 3432 size_t len = 1;
adamc@922 3433 char *s, *r, *s2;
adamc@922 3434
adamc@922 3435 va_start(ap, ctx);
adamc@922 3436 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3437 len += strlen(s);
adamc@922 3438 va_end(ap);
adamc@922 3439
adamc@922 3440 r = uw_malloc(ctx, len);
adamc@922 3441 va_start(ap, ctx);
adamc@922 3442 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3443 while (*s)
adamc@922 3444 *s2++ = *s++;
adamc@922 3445 va_end(ap);
adamc@922 3446 *s2 = 0;
adamc@922 3447
adamc@922 3448 return r;
adamc@922 3449 }
adamc@1006 3450
adam@1365 3451 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3452
adamc@1006 3453 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3454 uw_Basis_time r = { time(NULL) };
adam@1365 3455 return r;
adamc@1006 3456 }
adamc@1061 3457
adam@1369 3458 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3459 tm.seconds += n;
adam@1365 3460 return tm;
adamc@1138 3461 }
adamc@1138 3462
adamc@1061 3463 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3464 int i;
adamc@1061 3465
adamc@1061 3466 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3467 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3468 return ctx->globals[i].data;
adamc@1061 3469
adamc@1061 3470 return NULL;
adamc@1061 3471 }
adamc@1061 3472
adamc@1113 3473 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3474
adamc@1061 3475 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3476 int i;
adamc@1061 3477
adamc@1061 3478 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3479 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3480 if (ctx->globals[i].free)
adamc@1061 3481 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3482 ctx->globals[i].data = data;
adamc@1061 3483 ctx->globals[i].free = free;
adamc@1061 3484 return;
adamc@1061 3485 }
adamc@1089 3486
adamc@1113 3487 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3488 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3489
adamc@1061 3490 ++ctx->n_globals;
adamc@1061 3491 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3492 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3493 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3494 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3495 }
adamc@1061 3496
adamc@1061 3497 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3498 return !!isalnum((int)c);
adamc@1061 3499 }
adamc@1061 3500
adamc@1061 3501 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3502 return !!isalpha((int)c);
adamc@1061 3503 }
adamc@1061 3504
adamc@1061 3505 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3506 return !!isblank((int)c);
adamc@1061 3507 }
adamc@1061 3508
adamc@1061 3509 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3510 return !!iscntrl((int)c);
adamc@1061 3511 }
adamc@1061 3512
adamc@1061 3513 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3514 return !!isdigit((int)c);
adamc@1061 3515 }
adamc@1061 3516
adamc@1061 3517 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3518 return !!isgraph((int)c);
adamc@1061 3519 }
adamc@1061 3520
adamc@1061 3521 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3522 return !!islower((int)c);
adamc@1061 3523 }
adamc@1061 3524
adamc@1061 3525 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3526 return !!isprint((int)c);
adamc@1061 3527 }
adamc@1061 3528
adamc@1061 3529 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3530 return !!ispunct((int)c);
adamc@1061 3531 }
adamc@1061 3532
adamc@1061 3533 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3534 return !!isspace((int)c);
adamc@1061 3535 }
adamc@1063 3536
adamc@1061 3537 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3538 return !!isupper((int)c);
adamc@1061 3539 }
adamc@1061 3540
adamc@1061 3541 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3542 return !!isxdigit((int)c);
adamc@1061 3543 }
adamc@1061 3544
adamc@1061 3545 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3546 return tolower((int)c);
adamc@1061 3547 }
adamc@1061 3548
adamc@1061 3549 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3550 return toupper((int)c);
adamc@1061 3551 }
adamc@1066 3552
adamc@1128 3553 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3554 return (unsigned char)c;
adamc@1128 3555 }
adamc@1128 3556
adamc@1128 3557 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3558 return n;
adamc@1128 3559 }
adamc@1128 3560
adamc@1066 3561 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3562 return ctx->current_url;
adamc@1066 3563 }
adamc@1066 3564
adamc@1066 3565 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3566 ctx->current_url = s;
adamc@1066 3567 }
adamc@1114 3568
adamc@1114 3569 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3570 ctx->deadline = n;
adamc@1114 3571 }
adamc@1114 3572
adamc@1114 3573 void uw_check_deadline(uw_context ctx) {
adamc@1114 3574 if (uw_time > ctx->deadline)
adamc@1114 3575 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3576 }
adamc@1115 3577
adamc@1115 3578 size_t uw_database_max = SIZE_MAX;
adamc@1120 3579
adamc@1120 3580 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3581 if (ctx->log_debug)
adam@1334 3582 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3583 else
adam@1334 3584 fprintf(stderr, "%s\n", s);
adamc@1120 3585 return uw_unit_v;
adamc@1120 3586 }
adamc@1250 3587
adamc@1250 3588 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3589 uw_Basis_int n = abs(rand());
adamc@1250 3590 return n;
adamc@1250 3591 }
adam@1347 3592
adam@1347 3593 void uw_noPostBody(uw_context ctx) {
adam@1347 3594 ctx->hasPostBody = 0;
adam@1347 3595 }
adam@1347 3596
adam@1347 3597 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3598 ctx->hasPostBody = 1;
adam@1347 3599 ctx->postBody = pb;
adam@1347 3600 }
adam@1347 3601
adam@1347 3602 int uw_hasPostBody(uw_context ctx) {
adam@1347 3603 return ctx->hasPostBody;
adam@1347 3604 }
adam@1347 3605
adam@1386 3606 void uw_isPost(uw_context ctx) {
adam@1386 3607 ctx->isPost = 1;
adam@1386 3608 }
adam@1386 3609
adam@1386 3610 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3611 return ctx->isPost;
adam@1386 3612 }
adam@1386 3613
adam@1370 3614 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3615 ctx->queryString = s;
adam@1370 3616 }
adam@1370 3617
adam@1370 3618 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3619 return ctx->queryString;
adam@1370 3620 }
adam@1370 3621
adam@1347 3622 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3623 if (ctx->hasPostBody)
adam@1347 3624 return ctx->postBody;
adam@1347 3625 else
adam@1347 3626 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3627 }
adam@1349 3628
adam@1349 3629 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3630 int r = setjmp(ctx->jmp_buf);
adam@1349 3631
adam@1349 3632 if (ctx->app->db_begin(ctx))
adam@1349 3633 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349 3634
adam@1349 3635 if (r == 0) {
adam@1349 3636 callback(ctx);
adam@1349 3637 uw_commit(ctx);
adam@1349 3638 }
adam@1349 3639 else
adam@1349 3640 uw_rollback(ctx, 0);
adam@1349 3641
adam@1349 3642 return r;
adam@1349 3643 }
adam@1360 3644
adam@1360 3645 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1360 3646 struct crypt_data *data;
adam@1360 3647
adam@1360 3648 if ((data = uw_get_global(ctx, "crypt")) == NULL) {
adam@1360 3649 data = malloc(sizeof(struct crypt_data));
adam@1360 3650 data->initialized = 0;
adam@1360 3651 uw_set_global(ctx, "crypt", data, free);
adam@1360 3652 }
adam@1360 3653
adam@1360 3654 return uw_strdup(ctx, crypt_r(key, salt, data));
adam@1360 3655 }
adam@1365 3656
adam@1365 3657 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3658 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3659 }
adam@1365 3660
adam@1365 3661 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3662 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3663 }
adam@1365 3664
adam@1365 3665 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3666 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3667 }
adam@1365 3668
adam@1374 3669 /*uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3670 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374 3671
adam@1374 3672 printf("timezone = %ld\n", timezone);
adam@1374 3673
adam@1374 3674 if (r)
adam@1374 3675 r->seconds -= timezone;
adam@1374 3676
adam@1374 3677 return r;
adam@1374 3678 }*/
adam@1374 3679
adam@1372 3680 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3681 struct tm stm = {};
adam@1375 3682 char *end = strchr(s, 0);
adam@1375 3683
adam@1375 3684 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3685 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3686
adam@1375 3687 tzset();
adam@1374 3688 stm.tm_hour -= timezone / (60 * 60);
adam@1375 3689
adam@1374 3690 r->seconds = mktime(&stm);
adam@1373 3691 r->microseconds = 0;
adam@1373 3692
adam@1373 3693 return r;
adam@1374 3694 }
adam@1374 3695 else
adam@1373 3696 return NULL;
adam@1372 3697 }