annotate src/c/urweb.c @ 1332:4dd5d23bace2

minHeap option in .urp files
author Adam Chlipala <adam@chlipala.net>
date Sat, 11 Dec 2010 15:16:04 -0500
parents 452b14d88a10
children a1aa62b472cf
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adamc@102 16
adamc@667 17 #include <pthread.h>
adamc@667 18
adamc@102 19 #include "types.h"
adamc@102 20
adamc@311 21 uw_unit uw_unit_v = {};
adamc@102 22
adamc@667 23
adamc@667 24 // Socket extras
adamc@667 25
adamc@863 26 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 27 while (len > 0) {
adamc@856 28 ssize_t n = send(sock, buf, len, 0);
adamc@856 29
adamc@856 30 if (n < 0)
adamc@856 31 return n;
adamc@856 32
adamc@856 33 buf += n;
adamc@856 34 len -= n;
adamc@856 35 }
adamc@856 36
adamc@856 37 return 0;
adamc@856 38 }
adamc@856 39
adamc@856 40 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 41 while (len > 0) {
adamc@856 42 ssize_t n = write(fd, buf, len);
adamc@667 43
adamc@667 44 if (n < 0)
adamc@667 45 return n;
adamc@667 46
adamc@667 47 buf += n;
adamc@667 48 len -= n;
adamc@667 49 }
adamc@667 50
adamc@667 51 return 0;
adamc@667 52 }
adamc@667 53
adamc@667 54
adamc@667 55 // Buffers
adamc@667 56
adamc@667 57 typedef struct {
adamc@1113 58 size_t max;
adamc@667 59 char *start, *front, *back;
adamc@667 60 } buf;
adamc@667 61
adamc@1113 62 static void buf_init(size_t max, buf *b, size_t s) {
adamc@1113 63 b->max = max;
adamc@667 64 b->front = b->start = malloc(s);
adamc@667 65 b->back = b->front + s;
adamc@667 66 }
adamc@667 67
adamc@667 68 static void buf_free(buf *b) {
adamc@667 69 free(b->start);
adamc@667 70 }
adamc@667 71
adamc@667 72 static void buf_reset(buf *b) {
adamc@667 73 b->front = b->start;
adamc@667 74 }
adamc@667 75
adamc@1113 76 static int buf_check(buf *b, size_t extra) {
adamc@667 77 if (b->back - b->front < extra) {
adamc@667 78 size_t desired = b->front - b->start + extra, next;
adamc@667 79 char *new_heap;
adamc@667 80
adamc@667 81 next = b->back - b->start;
adamc@667 82 if (next == 0)
adamc@667 83 next = 1;
adamc@667 84 for (; next < desired; next *= 2);
adamc@667 85
adamc@1134 86 if (next > b->max) {
adamc@1113 87 if (desired <= b->max)
adamc@1113 88 next = desired;
adamc@1113 89 else
adamc@1113 90 return 1;
adamc@1134 91 }
adamc@1113 92
adamc@667 93 new_heap = realloc(b->start, next);
adamc@667 94 b->front = new_heap + (b->front - b->start);
adamc@667 95 b->back = new_heap + next;
adamc@667 96 b->start = new_heap;
adamc@667 97 }
adamc@1113 98
adamc@1113 99 return 0;
adamc@1113 100 }
adamc@1113 101
adamc@1113 102 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 103
adamc@1113 104 static void ctx_buf_check(uw_context ctx, const char *kind, buf *b, size_t extra) {
adamc@1113 105 if (buf_check(b, extra))
adamc@1113 106 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 107 }
adamc@667 108
adamc@667 109 static size_t buf_used(buf *b) {
adamc@667 110 return b->front - b->start;
adamc@667 111 }
adamc@667 112
adamc@667 113 static size_t buf_avail(buf *b) {
adamc@667 114 return b->back - b->start;
adamc@667 115 }
adamc@667 116
adamc@1113 117 static int buf_append(buf *b, const char *s, size_t len) {
adamc@1113 118 if (buf_check(b, len+1))
adamc@1113 119 return 1;
adamc@1113 120
adamc@1113 121 memcpy(b->front, s, len);
adamc@1113 122 b->front += len;
adamc@1113 123 *b->front = 0;
adamc@1113 124
adamc@1113 125 return 0;
adamc@1113 126 }
adamc@1113 127
adamc@1113 128 static void ctx_buf_append(uw_context ctx, const char *kind, buf *b, const char *s, size_t len) {
adamc@1113 129 ctx_buf_check(ctx, kind, b, len+1);
adamc@1113 130
adamc@668 131 memcpy(b->front, s, len);
adamc@668 132 b->front += len;
adamc@672 133 *b->front = 0;
adamc@668 134 }
adamc@667 135
adamc@668 136
adamc@672 137 // Persistent state types
adamc@667 138
adamc@667 139 typedef enum { UNUSED, USED } usage;
adamc@667 140
adamc@667 141 typedef struct client {
adamc@682 142 unsigned id;
adamc@667 143 usage mode;
adamc@682 144 int pass;
adamc@682 145 struct client *next;
adamc@689 146 pthread_mutex_t lock, pull_lock;
adamc@682 147 buf msgs;
adamc@682 148 int sock;
adamc@863 149 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 150 int (*close)(int fd);
adamc@682 151 time_t last_contact;
adamc@682 152 unsigned n_channels;
adamc@685 153 unsigned refcount;
adamc@1121 154 void *data;
adamc@667 155 } client;
adamc@667 156
adamc@672 157
adamc@672 158 // Persistent client state
adamc@672 159
adamc@682 160 static client **clients, *clients_free, *clients_used;
adamc@682 161 static unsigned n_clients;
adamc@667 162
adamc@667 163 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 164
adamc@1113 165 size_t uw_messages_max = SIZE_MAX;
adamc@1113 166 size_t uw_clients_max = SIZE_MAX;
adamc@1113 167
adamc@1121 168 void *uw_init_client_data();
adamc@1121 169 void uw_free_client_data(void *);
adamc@1121 170 void uw_copy_client_data(void *dst, void *src);
adamc@1121 171
adamc@682 172 static client *new_client() {
adamc@667 173 client *c;
adamc@667 174
adamc@667 175 pthread_mutex_lock(&clients_mutex);
adamc@667 176
adamc@667 177 if (clients_free) {
adamc@667 178 c = clients_free;
adamc@682 179 clients_free = clients_free->next;
adamc@667 180 }
adamc@1113 181 else if (n_clients >= uw_clients_max)
adamc@1113 182 return NULL;
adamc@667 183 else {
adamc@667 184 ++n_clients;
adamc@667 185 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 186 c = malloc(sizeof(client));
adamc@667 187 c->id = n_clients-1;
adamc@682 188 pthread_mutex_init(&c->lock, NULL);
adamc@689 189 pthread_mutex_init(&c->pull_lock, NULL);
adamc@1113 190 buf_init(uw_messages_max, &c->msgs, 0);
adamc@667 191 clients[n_clients-1] = c;
adamc@667 192 }
adamc@667 193
adamc@682 194 pthread_mutex_lock(&c->lock);
adamc@667 195 c->mode = USED;
adamc@682 196 c->pass = rand();
adamc@682 197 c->sock = -1;
adamc@682 198 c->last_contact = time(NULL);
adamc@682 199 buf_reset(&c->msgs);
adamc@682 200 c->n_channels = 0;
adamc@685 201 c->refcount = 0;
adamc@1121 202 c->data = uw_init_client_data();
adamc@682 203 pthread_mutex_unlock(&c->lock);
adamc@682 204
adamc@682 205 c->next = clients_used;
adamc@682 206 clients_used = c;
adamc@667 207
adamc@667 208 pthread_mutex_unlock(&clients_mutex);
adamc@667 209
adamc@667 210 return c;
adamc@667 211 }
adamc@667 212
adamc@685 213 static void use_client(client *c) {
adamc@685 214 pthread_mutex_lock(&c->lock);
adamc@685 215 ++c->refcount;
adamc@685 216 pthread_mutex_unlock(&c->lock);
adamc@689 217 pthread_mutex_lock(&c->pull_lock);
adamc@685 218 }
adamc@685 219
adamc@685 220 static void release_client(client *c) {
adamc@689 221 pthread_mutex_unlock(&c->pull_lock);
adamc@685 222 pthread_mutex_lock(&c->lock);
adamc@685 223 --c->refcount;
adamc@685 224 pthread_mutex_unlock(&c->lock);
adamc@689 225
adamc@685 226 }
adamc@685 227
adamc@856 228 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 229
adamc@682 230 static client *find_client(unsigned id) {
adamc@667 231 client *c;
adamc@667 232
adamc@667 233 pthread_mutex_lock(&clients_mutex);
adamc@667 234
adamc@667 235 if (id >= n_clients) {
adamc@667 236 pthread_mutex_unlock(&clients_mutex);
adamc@668 237 return NULL;
adamc@667 238 }
adamc@667 239
adamc@667 240 c = clients[id];
adamc@667 241
adamc@668 242 pthread_mutex_unlock(&clients_mutex);
adamc@668 243 return c;
adamc@668 244 }
adamc@668 245
adamc@856 246 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 247 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 248
adamc@856 249 void uw_set_on_success(char *s) {
adamc@856 250 on_success = s;
adamc@856 251 }
adamc@856 252
adamc@863 253 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 254 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 255 int (*close)(int fd),
adamc@864 256 void *logger_data, uw_logger log_error) {
adamc@682 257 client *c = find_client(id);
adamc@668 258
adamc@668 259 if (c == NULL) {
adamc@667 260 close(sock);
adamc@864 261 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 262 return;
adamc@667 263 }
adamc@667 264
adamc@682 265 pthread_mutex_lock(&c->lock);
adamc@671 266
adamc@682 267 if (c->mode != USED) {
adamc@682 268 pthread_mutex_unlock(&c->lock);
adamc@667 269 close(sock);
adamc@864 270 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 271 return;
adamc@667 272 }
adamc@667 273
adamc@682 274 if (pass != c->pass) {
adamc@682 275 pthread_mutex_unlock(&c->lock);
adamc@682 276 close(sock);
adamc@864 277 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 278 return;
adamc@667 279 }
adamc@667 280
adamc@682 281 if (c->sock != -1) {
adamc@863 282 c->close(c->sock);
adamc@682 283 c->sock = -1;
adamc@682 284 }
adamc@667 285
adamc@682 286 c->last_contact = time(NULL);
adamc@682 287
adamc@682 288 if (buf_used(&c->msgs) > 0) {
adamc@863 289 send(sock, on_success, strlen(on_success));
adamc@863 290 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 291 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682 292 buf_reset(&c->msgs);
adamc@667 293 close(sock);
adamc@667 294 }
adamc@863 295 else {
adamc@682 296 c->sock = sock;
adamc@863 297 c->send = send;
adamc@863 298 c->close = close;
adamc@863 299 }
adamc@667 300
adamc@682 301 pthread_mutex_unlock(&c->lock);
adamc@667 302 }
adamc@667 303
adamc@682 304 static void free_client(client *c) {
adamc@682 305 c->mode = UNUSED;
adamc@682 306 c->pass = -1;
adamc@667 307
adamc@682 308 c->next = clients_free;
adamc@682 309 clients_free = c;
adamc@667 310 }
adamc@667 311
adamc@682 312 static uw_Basis_channel new_channel(client *c) {
adamc@682 313 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 314 return ch;
adamc@668 315 }
adamc@668 316
adamc@685 317 static void client_send(client *c, buf *msg) {
adamc@685 318 pthread_mutex_lock(&c->lock);
adamc@671 319
adamc@682 320 if (c->sock != -1) {
adamc@863 321 c->send(c->sock, on_success, strlen(on_success));
adamc@863 322 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 323 c->send(c->sock, msg->start, buf_used(msg));
adamc@863 324 c->close(c->sock);
adamc@682 325 c->sock = -1;
adamc@1113 326 } else if (buf_append(&c->msgs, msg->start, buf_used(msg)))
adamc@1113 327 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 328
adamc@685 329 pthread_mutex_unlock(&c->lock);
adamc@668 330 }
adamc@668 331
adamc@668 332
adamc@668 333 // Global entry points
adamc@668 334
adamc@1164 335 extern void uw_global_custom();
adamc@1104 336 extern void uw_init_crypto();
adamc@1104 337
adamc@668 338 void uw_global_init() {
adamc@668 339 srand(time(NULL) ^ getpid());
adamc@668 340
adamc@668 341 clients = malloc(0);
adamc@1104 342
adamc@1164 343 uw_global_custom();
adamc@1104 344 uw_init_crypto();
adamc@1094 345 }
adamc@1094 346
adamc@1094 347 void uw_app_init(uw_app *app) {
adamc@1094 348 app->client_init();
adamc@668 349 }
adamc@668 350
adam@1332 351 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 352
adamc@668 353
adamc@667 354 // Single-request state
adamc@667 355
adamc@323 356 typedef struct regions {
adamc@323 357 struct regions *next;
adamc@323 358 } regions;
adamc@323 359
adamc@425 360 typedef struct {
adamc@425 361 void (*func)(void*);
adamc@425 362 void *arg;
adamc@425 363 } cleanup;
adamc@425 364
adamc@671 365 typedef struct {
adamc@682 366 unsigned client;
adamc@671 367 buf msgs;
adamc@682 368 } delta;
adamc@671 369
adamc@737 370 typedef enum {
adamc@759 371 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 372 } input_kind;
adamc@737 373
adamc@756 374 typedef struct input {
adamc@737 375 input_kind kind;
adamc@737 376 union {
adamc@737 377 char *normal;
adamc@739 378 uw_Basis_file file;
adamc@756 379 struct {
adamc@759 380 struct input *fields, *parent;
adamc@756 381 } subform;
adamc@759 382 struct {
adamc@759 383 struct input *entries, *parent;
adamc@759 384 } subforms;
adamc@759 385 struct {
adamc@759 386 struct input *fields, *next, *parent;
adamc@759 387 } entry;
adamc@737 388 } data;
adamc@737 389 } input;
adamc@737 390
adamc@771 391 typedef struct {
adamc@771 392 void *data;
adam@1327 393 uw_callback commit, rollback;
adam@1327 394 uw_callback_with_retry free;
adamc@771 395 } transactional;
adamc@771 396
adamc@1061 397 typedef struct {
adamc@1061 398 char *name;
adamc@1061 399 void *data;
adamc@1061 400 void (*free)(void*);
adamc@1061 401 } global;
adamc@1061 402
adamc@311 403 struct uw_context {
adamc@1094 404 uw_app *app;
adamc@1094 405
adamc@854 406 char *(*get_header)(void *, const char *);
adamc@854 407 void *get_header_data;
adamc@457 408
adamc@666 409 buf outHeaders, page, heap, script;
adamc@1065 410 int returning_indirectly;
adamc@759 411 input *inputs, *subinputs, *cur_container;
adamc@1094 412 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 413
adamc@565 414 int source_count;
adamc@562 415
adamc@272 416 void *db;
adamc@272 417
adamc@167 418 jmp_buf jmp_buf;
adamc@167 419
adamc@323 420 regions *regions;
adamc@323 421
adamc@425 422 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 423
adamc@1094 424 const char *script_header;
adamc@643 425
adamc@736 426 int needs_push, needs_sig;
adamc@693 427
adamc@682 428 size_t n_deltas, used_deltas;
adamc@682 429 delta *deltas;
adamc@671 430
adamc@682 431 client *client;
adamc@682 432
adamc@771 433 transactional *transactionals;
adamc@771 434 size_t n_transactionals, used_transactionals;
adamc@771 435
adamc@1061 436 global *globals;
adamc@1061 437 size_t n_globals;
adamc@1061 438
adamc@1066 439 char *current_url;
adamc@1066 440
adamc@1114 441 int deadline;
adamc@1114 442
adamc@1121 443 void *client_data;
adamc@1121 444
adamc@167 445 char error_message[ERROR_BUF_LEN];
adamc@117 446 };
adamc@117 447
adamc@1113 448 size_t uw_headers_max = SIZE_MAX;
adamc@1113 449 size_t uw_page_max = SIZE_MAX;
adamc@1113 450 size_t uw_heap_max = SIZE_MAX;
adamc@1113 451 size_t uw_script_max = SIZE_MAX;
adamc@1113 452
adamc@687 453 uw_context uw_init() {
adamc@311 454 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 455
adamc@1094 456 ctx->app = NULL;
adamc@1094 457
adamc@854 458 ctx->get_header = NULL;
adamc@854 459 ctx->get_header_data = NULL;
adamc@457 460
adamc@1113 461 buf_init(uw_headers_max, &ctx->outHeaders, 0);
adamc@1113 462 buf_init(uw_page_max, &ctx->page, 0);
adamc@1065 463 ctx->returning_indirectly = 0;
adam@1332 464 buf_init(uw_heap_max, &ctx->heap, uw_min_heap);
adamc@1113 465 buf_init(uw_script_max, &ctx->script, 1);
adamc@667 466 ctx->script.start[0] = 0;
adamc@136 467
adamc@1094 468 ctx->inputs = malloc(0);
adamc@759 469 ctx->cur_container = NULL;
adamc@756 470 ctx->subinputs = malloc(0);
adamc@1094 471 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 472
adamc@272 473 ctx->db = NULL;
adamc@272 474
adamc@323 475 ctx->regions = NULL;
adamc@323 476
adamc@425 477 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 478
adamc@643 479 ctx->script_header = "";
adamc@693 480 ctx->needs_push = 0;
adamc@736 481 ctx->needs_sig = 0;
adamc@1104 482
adamc@565 483 ctx->source_count = 0;
adamc@562 484
adamc@682 485 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 486 ctx->deltas = malloc(0);
adamc@671 487
adamc@700 488 ctx->client = NULL;
adamc@700 489
adamc@700 490 ctx->error_message[0] = 0;
adamc@700 491
adamc@771 492 ctx->transactionals = malloc(0);
adamc@771 493 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 494
adamc@1061 495 ctx->globals = malloc(0);
adamc@1061 496 ctx->n_globals = 0;
adamc@1061 497
adamc@1066 498 ctx->current_url = "";
adamc@1066 499
adamc@1114 500 ctx->deadline = INT_MAX;
adamc@1114 501
adamc@1121 502 ctx->client_data = uw_init_client_data();
adamc@1121 503
adamc@117 504 return ctx;
adamc@106 505 }
adamc@106 506
adamc@1113 507 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 508
adamc@1121 509 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 510 return ctx->app;
adamc@1121 511 }
adamc@1121 512
adamc@1113 513 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 514 ctx->app = app;
adamc@1094 515
adamc@1105 516 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 517 if (app->inputs_len > uw_inputs_max)
adamc@1113 518 return 1;
adamc@1113 519
adamc@1094 520 ctx->sz_inputs = app->inputs_len;
adamc@1094 521 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 522 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 523 }
adamc@1134 524
adamc@1134 525 return 0;
adamc@1094 526 }
adamc@1094 527
adamc@1121 528 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 529 uw_copy_client_data(ctx->client_data, data);
adamc@1121 530 }
adamc@1121 531
adamc@311 532 void uw_set_db(uw_context ctx, void *db) {
adamc@272 533 ctx->db = db;
adamc@272 534 }
adamc@272 535
adamc@311 536 void *uw_get_db(uw_context ctx) {
adamc@272 537 return ctx->db;
adamc@272 538 }
adamc@272 539
adamc@311 540 void uw_free(uw_context ctx) {
adamc@671 541 size_t i;
adamc@671 542
adamc@666 543 buf_free(&ctx->outHeaders);
adamc@666 544 buf_free(&ctx->script);
adamc@666 545 buf_free(&ctx->page);
adamc@666 546 buf_free(&ctx->heap);
adamc@144 547 free(ctx->inputs);
adamc@756 548 free(ctx->subinputs);
adamc@425 549 free(ctx->cleanup);
adamc@771 550 free(ctx->transactionals);
adamc@1121 551 uw_free_client_data(ctx->client_data);
adamc@671 552
adamc@682 553 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671 554 buf_free(&ctx->deltas[i].msgs);
marco-oweber@1330 555 free(ctx->deltas);
adamc@671 556
adamc@1061 557 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 558 if (ctx->globals[i].free)
adamc@1089 559 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 560 free(ctx->globals);
adamc@1061 561
adamc@136 562 free(ctx);
adamc@136 563 }
adamc@136 564
adamc@562 565 void uw_reset_keep_error_message(uw_context ctx) {
adamc@666 566 buf_reset(&ctx->outHeaders);
adamc@666 567 buf_reset(&ctx->script);
adamc@667 568 ctx->script.start[0] = 0;
adamc@666 569 buf_reset(&ctx->page);
adamc@1065 570 ctx->returning_indirectly = 0;
adamc@666 571 buf_reset(&ctx->heap);
adamc@323 572 ctx->regions = NULL;
adamc@425 573 ctx->cleanup_front = ctx->cleanup;
adamc@565 574 ctx->source_count = 0;
adamc@682 575 ctx->used_deltas = 0;
adamc@682 576 ctx->client = NULL;
adamc@759 577 ctx->cur_container = NULL;
adamc@771 578 ctx->used_transactionals = 0;
adamc@1117 579 ctx->script_header = "";
adamc@167 580 }
adamc@167 581
adamc@562 582 void uw_reset_keep_request(uw_context ctx) {
adamc@562 583 uw_reset_keep_error_message(ctx);
adamc@562 584 ctx->error_message[0] = 0;
adamc@167 585 }
adamc@167 586
adamc@311 587 void uw_reset(uw_context ctx) {
adamc@311 588 uw_reset_keep_request(ctx);
adamc@1105 589 if (ctx->app)
adamc@1105 590 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 591 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 592 ctx->used_subinputs = 0;
adamc@144 593 }
adamc@144 594
adamc@311 595 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 596 int r = setjmp(ctx->jmp_buf);
adamc@272 597
adamc@1105 598 if (r == 0 && ctx->app)
adamc@1094 599 ctx->app->db_init(ctx);
adamc@272 600
adamc@272 601 return r;
adamc@272 602 }
adamc@272 603
adamc@1118 604 void uw_close(uw_context ctx) {
adamc@1118 605 ctx->app->db_close(ctx);
adamc@1118 606 }
adamc@1118 607
adamc@854 608 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 609 ctx->get_header = get_header;
adamc@854 610 ctx->get_header_data = get_header_data;
adamc@742 611 }
adamc@742 612
adamc@801 613 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 614 va_list ap;
adamc@801 615 va_start(ap, fmt);
adamc@801 616
adamc@801 617 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 618 }
adamc@801 619
adamc@1131 620 int uw_has_error(uw_context ctx) {
adamc@1131 621 return ctx->error_message[0] != 0;
adamc@1131 622 }
adamc@1131 623
adamc@311 624 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 625 cleanup *cl;
adamc@425 626
adamc@167 627 va_list ap;
adamc@167 628 va_start(ap, fmt);
adamc@167 629
adamc@167 630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 631
adamc@425 632 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 633 cl->func(cl->arg);
adamc@425 634
adamc@425 635 ctx->cleanup_front = ctx->cleanup;
adamc@425 636
adamc@190 637 longjmp(ctx->jmp_buf, fk);
adamc@167 638 }
adamc@167 639
adamc@1113 640 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 641
adamc@425 642 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 643 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 644 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 645 if (len == 0)
adamc@425 646 newLen = 1;
adamc@425 647 else
adamc@428 648 newLen = len * 2;
adamc@1113 649
adamc@1134 650 if (newLen > uw_cleanup_max) {
adamc@1113 651 if (len+1 <= uw_cleanup_max)
adamc@1113 652 newLen = uw_cleanup_max;
adamc@1113 653 else
adamc@1113 654 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 655 }
adamc@1113 656
adamc@470 657 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 658 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 659 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 660 }
adamc@425 661
adamc@425 662 ctx->cleanup_front->func = func;
adamc@425 663 ctx->cleanup_front->arg = arg;
adamc@425 664 ++ctx->cleanup_front;
adamc@425 665 }
adamc@425 666
adamc@682 667 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 668 return ctx->get_header(ctx->get_header_data, h);
adamc@682 669 }
adamc@682 670
adamc@682 671 void uw_login(uw_context ctx) {
adamc@693 672 if (ctx->needs_push) {
adamc@682 673 char *id_s, *pass_s;
adamc@682 674
adamc@682 675 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 676 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 677 unsigned id = atoi(id_s);
adamc@682 678 int pass = atoi(pass_s);
adamc@682 679 client *c = find_client(id);
adamc@682 680
adamc@682 681 if (c == NULL)
adamc@682 682 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 683 else {
adamc@685 684 use_client(c);
adamc@682 685 ctx->client = c;
adamc@682 686
adamc@682 687 if (c->mode != USED)
adamc@682 688 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 689 if (c->pass != pass)
adamc@682 690 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 691 }
adamc@682 692 } else {
adamc@682 693 client *c = new_client();
adamc@1113 694
adamc@1113 695 if (c == NULL)
adamc@1113 696 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 697
adamc@685 698 use_client(c);
adamc@1121 699 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 700 ctx->client = c;
adamc@864 701 }
adamc@682 702 }
adamc@682 703 }
adamc@682 704
adamc@671 705 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 706 int r = setjmp(ctx->jmp_buf);
adamc@671 707
adamc@671 708 if (r == 0) {
adamc@1094 709 if (ctx->app->db_begin(ctx))
adamc@671 710 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 711
adamc@1094 712 ctx->app->handle(ctx, path);
adamc@671 713 }
adamc@671 714
adamc@671 715 return r;
adamc@671 716 }
adamc@671 717
adam@1294 718 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294 719 int r = setjmp(ctx->jmp_buf);
adam@1294 720
adam@1294 721 if (ctx->app->on_error) {
adam@1294 722 if (r == 0) {
adam@1294 723 if (ctx->app->db_begin(ctx))
adam@1294 724 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294 725
adam@1294 726 ctx->app->on_error(ctx, msg);
adam@1294 727 }
adam@1294 728
adam@1294 729 return r;
adam@1294 730 } else
adam@1294 731 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294 732 }
adam@1294 733
adamc@772 734 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 735 if (ctx->client == NULL)
adamc@682 736 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 737
adamc@682 738 return ctx->client->id;
adamc@682 739 }
adamc@682 740
adamc@425 741 void uw_pop_cleanup(uw_context ctx) {
adamc@425 742 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 743 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 744
adamc@425 745 --ctx->cleanup_front;
adamc@425 746 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 747 }
adamc@425 748
adamc@311 749 char *uw_error_message(uw_context ctx) {
adamc@167 750 return ctx->error_message;
adamc@167 751 }
adamc@167 752
adamc@1115 753 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 754 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 755 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 756 }
adamc@1115 757
adamc@759 758 static input *INP(uw_context ctx) {
adamc@759 759 if (ctx->cur_container == NULL)
adamc@759 760 return ctx->inputs;
adamc@759 761 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 762 return ctx->cur_container->data.subform.fields;
adamc@759 763 else if (ctx->cur_container->kind == ENTRY)
adamc@759 764 return ctx->cur_container->data.entry.fields;
adamc@759 765 else
adamc@760 766 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 767 }
adamc@759 768
adamc@760 769 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 770 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 771 *ptr += new_start - old_start;
adamc@760 772 }
adamc@760 773
adamc@760 774 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 775 switch (x->kind) {
adamc@759 776 case SUBFORM:
adamc@760 777 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 778 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 779 break;
adamc@759 780 case SUBFORMS:
adamc@760 781 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 782 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 783 break;
adamc@759 784 case ENTRY:
adamc@760 785 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 786 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 787 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 788 break;
adamc@1134 789 default:
adamc@1134 790 break;
adamc@759 791 }
adamc@759 792 }
adamc@759 793
adamc@1113 794 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 795
adamc@759 796 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 797 size_t i;
adamc@759 798 input *r;
adamc@759 799
adamc@759 800 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 801 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 802 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 803
adamc@759 804 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 805
adamc@760 806 if (ctx->subinputs != new_subinputs) {
adamc@760 807 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 808 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 809 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 810 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 811
adamc@760 812 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 813
adamc@760 814 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 815 ctx->subinputs = new_subinputs;
adamc@760 816 }
adamc@759 817 }
adamc@759 818
adamc@759 819 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 820
adamc@759 821 for (i = 0; i < len; ++i)
adamc@759 822 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 823
adamc@759 824 return r;
adamc@759 825 }
adamc@756 826
adamc@801 827 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 828 //printf("Input name %s\n", name);
adamc@1038 829
adamc@756 830 if (!strcasecmp(name, ".b")) {
adamc@1094 831 int n = ctx->app->input_num(value);
adamc@756 832 input *inps;
adamc@756 833
adamc@801 834 if (n < 0) {
adamc@801 835 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 836 return -1;
adamc@801 837 }
adamc@801 838
adamc@1094 839 if (n >= ctx->app->inputs_len) {
adamc@801 840 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 841 return -1;
adamc@801 842 }
adamc@756 843
adamc@1094 844 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 845
adamc@759 846 INP(ctx)[n].kind = SUBFORM;
adamc@759 847 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 848 INP(ctx)[n].data.subform.fields = inps;
adamc@759 849 ctx->cur_container = &INP(ctx)[n];
adamc@756 850 } else if (!strcasecmp(name, ".e")) {
adamc@756 851 input *tmp;
adamc@756 852
adamc@801 853 if (ctx->cur_container == NULL) {
adamc@801 854 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 855 return -1;
adamc@801 856 }
adamc@756 857
adamc@759 858 tmp = ctx->cur_container;
adamc@759 859 switch (tmp->kind) {
adamc@759 860 case SUBFORM:
adamc@759 861 ctx->cur_container = tmp->data.subform.parent;
adamc@759 862 tmp->data.subform.parent = NULL;
adamc@759 863 break;
adamc@759 864 case SUBFORMS:
adamc@759 865 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 866 tmp->data.subforms.parent = NULL;
adamc@759 867 break;
adamc@759 868 case ENTRY:
adamc@759 869 ctx->cur_container = tmp->data.entry.parent;
adamc@759 870 break;
adamc@759 871 default:
adamc@801 872 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 873 return -1;
adamc@759 874 }
adamc@759 875 } else if (!strcasecmp(name, ".s")) {
adamc@1094 876 int n = ctx->app->input_num(value);
adamc@759 877
adamc@801 878 if (n < 0) {
adamc@801 879 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 880 return -1;
adamc@801 881 }
adamc@801 882
adamc@1094 883 if (n >= ctx->app->inputs_len) {
adamc@801 884 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 885 return -1;
adamc@801 886 }
adamc@759 887
adamc@759 888 INP(ctx)[n].kind = SUBFORMS;
adamc@759 889 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 890 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 891 ctx->cur_container = &INP(ctx)[n];
adamc@759 892 } else if (!strcasecmp(name, ".i")) {
adamc@759 893 input *inps;
adamc@759 894
adamc@801 895 if (!ctx->cur_container) {
adamc@801 896 uw_set_error(ctx, "New entry without container");
adamc@801 897 return -1;
adamc@801 898 }
adamc@801 899
adamc@801 900 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 901 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 902 return -1;
adamc@801 903 }
adamc@759 904
adamc@1094 905 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 906
adamc@759 907 inps->kind = ENTRY;
adamc@759 908 inps->data.entry.parent = ctx->cur_container;
adamc@759 909 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 910 ctx->cur_container->data.subforms.entries = inps;
adamc@759 911
adamc@759 912 inps->data.entry.fields = inps+1;
adamc@759 913 ctx->cur_container = inps;
adamc@756 914 } else {
adamc@1094 915 int n = ctx->app->input_num(name);
adamc@756 916
adamc@801 917 if (n < 0) {
adamc@1038 918 if (!strcmp(name, "null"))
adamc@1038 919 return 0;
adamc@801 920 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 921 return -1;
adamc@801 922 }
adamc@801 923
adamc@1094 924 if (n >= ctx->app->inputs_len) {
adamc@801 925 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 926 return -1;
adamc@801 927 }
adamc@756 928
adamc@756 929 INP(ctx)[n].kind = NORMAL;
adamc@756 930 INP(ctx)[n].data.normal = value;
adamc@756 931 }
adamc@801 932
adamc@801 933 return 0;
adamc@144 934 }
adamc@144 935
adamc@311 936 char *uw_get_input(uw_context ctx, int n) {
adamc@169 937 if (n < 0)
adamc@311 938 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 939 if (n >= ctx->app->inputs_len)
adamc@311 940 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 941
adamc@756 942 switch (INP(ctx)[n].kind) {
adamc@737 943 case UNSET:
adamc@737 944 return NULL;
adamc@739 945 case FIL:
adamc@739 946 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 947 case SUBFORM:
adamc@756 948 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 949 case SUBFORMS:
adamc@759 950 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 951 case ENTRY:
adamc@759 952 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 953 case NORMAL:
adamc@756 954 return INP(ctx)[n].data.normal;
adamc@737 955 default:
adamc@737 956 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 957 }
adamc@138 958 }
adamc@138 959
adamc@311 960 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 961 if (n < 0)
adamc@311 962 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 963 if (n >= ctx->app->inputs_len)
adamc@311 964 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 965
adamc@756 966 switch (INP(ctx)[n].kind) {
adamc@737 967 case UNSET:
adamc@737 968 return "";
adamc@739 969 case FIL:
adamc@739 970 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 971 case SUBFORM:
adamc@756 972 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 973 case SUBFORMS:
adamc@759 974 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 975 case ENTRY:
adamc@759 976 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 977 case NORMAL:
adamc@756 978 return INP(ctx)[n].data.normal;
adamc@737 979 default:
adamc@737 980 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 981 }
adamc@737 982 }
adamc@737 983
adamc@801 984 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 985 int n = ctx->app->input_num(name);
adamc@737 986
adamc@801 987 if (n < 0) {
adamc@801 988 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 989 return -1;
adamc@801 990 }
adamc@801 991
adamc@1094 992 if (n >= ctx->app->inputs_len) {
adamc@801 993 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 994 return -1;
adamc@801 995 }
adamc@737 996
adamc@739 997 ctx->inputs[n].kind = FIL;
adamc@739 998 ctx->inputs[n].data.file = f;
adamc@801 999
adamc@801 1000 return 0;
adamc@737 1001 }
adamc@737 1002
adamc@739 1003 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1004
adamc@739 1005 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1006 if (n < 0)
adamc@737 1007 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1008 if (n >= ctx->app->inputs_len)
adamc@737 1009 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1010
adamc@756 1011 switch (INP(ctx)[n].kind) {
adamc@737 1012 case UNSET:
adamc@737 1013 {
adamc@739 1014 char *data = uw_malloc(ctx, 0);
adamc@740 1015 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1016 return f;
adamc@737 1017 }
adamc@739 1018 case FIL:
adamc@756 1019 return INP(ctx)[n].data.file;
adamc@737 1020 case NORMAL:
adamc@737 1021 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1022 case SUBFORM:
adamc@756 1023 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1024 case SUBFORMS:
adamc@759 1025 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1026 case ENTRY:
adamc@759 1027 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1028 default:
adamc@737 1029 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1030 }
adamc@190 1031 }
adamc@190 1032
adamc@756 1033 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1034 if (n < 0)
adamc@756 1035 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1036 if (n >= ctx->app->inputs_len)
adamc@756 1037 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1038
adamc@756 1039 switch (INP(ctx)[n].kind) {
adamc@756 1040 case UNSET:
adamc@756 1041 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1042 case FIL:
adamc@756 1043 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1044 case NORMAL:
adamc@756 1045 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1046 case SUBFORMS:
adamc@759 1047 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1048 case ENTRY:
adamc@759 1049 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1050 case SUBFORM:
adamc@759 1051 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1052 ctx->cur_container = &INP(ctx)[n];
adamc@756 1053 return;
adamc@756 1054 default:
adamc@756 1055 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1056 }
adamc@756 1057 }
adamc@756 1058
adamc@756 1059 void uw_leave_subform(uw_context ctx) {
adamc@756 1060 input *tmp;
adamc@756 1061
adamc@759 1062 if (ctx->cur_container == NULL)
adamc@756 1063 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1064
adamc@759 1065 tmp = ctx->cur_container;
adamc@759 1066 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1067 tmp->data.subform.parent = NULL;
adamc@759 1068 }
adamc@759 1069
adamc@759 1070 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1071 input *inps;
adamc@759 1072
adamc@759 1073 if (n < 0)
adamc@759 1074 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1075 if (n >= ctx->app->inputs_len)
adamc@759 1076 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1077
adamc@759 1078 switch (INP(ctx)[n].kind) {
adamc@759 1079 case UNSET:
adamc@759 1080 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1081 case FIL:
adamc@759 1082 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1083 case NORMAL:
adamc@759 1084 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1085 case SUBFORM:
adamc@759 1086 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1087 case ENTRY:
adamc@759 1088 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1089 case SUBFORMS:
adamc@759 1090 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1091 if (inps) {
adamc@759 1092 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1093 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1094 return 1;
adamc@759 1095 } else
adamc@759 1096 return 0;
adamc@759 1097 default:
adamc@759 1098 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1099 }
adamc@759 1100 }
adamc@759 1101
adamc@759 1102 int uw_next_entry(uw_context ctx) {
adamc@759 1103 if (ctx->cur_container == NULL)
adamc@759 1104 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1105
adamc@759 1106 switch (ctx->cur_container->kind) {
adamc@759 1107 case UNSET:
adamc@759 1108 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1109 case FIL:
adamc@759 1110 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1111 case NORMAL:
adamc@759 1112 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1113 case SUBFORM:
adamc@759 1114 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1115 case SUBFORMS:
adamc@759 1116 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1117 case ENTRY:
adamc@759 1118 if (ctx->cur_container->data.entry.next) {
adamc@759 1119 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1120 return 1;
adamc@759 1121 } else {
adamc@759 1122 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1123 return 0;
adamc@759 1124 }
adamc@759 1125 default:
adamc@759 1126 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1127 }
adamc@756 1128 }
adamc@756 1129
adamc@643 1130 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1131 ctx->script_header = s;
adamc@643 1132 }
adamc@643 1133
adamc@1094 1134 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1135 return ctx->app->url_prefix;
adamc@667 1136 }
adamc@667 1137
adamc@693 1138 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1139 ctx->needs_push = n;
adamc@693 1140 }
adamc@693 1141
adamc@736 1142 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1143 ctx->needs_sig = n;
adamc@736 1144 }
adamc@736 1145
adamc@667 1146
adamc@1113 1147 static void buf_check_ctx(uw_context ctx, const char *kind, buf *b, size_t extra, const char *desc) {
adamc@666 1148 if (b->back - b->front < extra) {
adamc@666 1149 size_t desired = b->front - b->start + extra, next;
adamc@136 1150 char *new_heap;
adamc@136 1151
adamc@666 1152 next = b->back - b->start;
adamc@317 1153 if (next == 0)
adamc@317 1154 next = 1;
adamc@317 1155 for (; next < desired; next *= 2);
adamc@136 1156
adamc@1134 1157 if (next > b->max) {
adamc@1113 1158 if (desired <= b->max)
adamc@1113 1159 next = desired;
adamc@1113 1160 else
adamc@1113 1161 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1162 }
adamc@1113 1163
adamc@666 1164 new_heap = realloc(b->start, next);
adamc@666 1165 b->front = new_heap + (b->front - b->start);
adamc@666 1166 b->back = new_heap + next;
adamc@136 1167
adamc@667 1168 if (new_heap != b->start) {
adamc@666 1169 b->start = new_heap;
adamc@666 1170 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1171 }
adamc@136 1172
adamc@666 1173 b->start = new_heap;
adamc@136 1174 }
adamc@136 1175 }
adamc@136 1176
adamc@832 1177 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@1113 1178 buf_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1179 }
adamc@666 1180
adamc@832 1181 char *uw_heap_front(uw_context ctx) {
adamc@832 1182 return ctx->heap.front;
adamc@832 1183 }
adamc@832 1184
adamc@832 1185 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1186 ctx->heap.front = fr;
adamc@832 1187 }
adamc@832 1188
adamc@311 1189 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1190 void *result;
adamc@136 1191
adamc@311 1192 uw_check_heap(ctx, len);
adamc@136 1193
adamc@666 1194 result = ctx->heap.front;
adamc@666 1195 ctx->heap.front += len;
adamc@136 1196 return result;
adamc@117 1197 }
adamc@117 1198
adamc@323 1199 void uw_begin_region(uw_context ctx) {
adamc@666 1200 regions *r = (regions *) ctx->heap.front;
adamc@323 1201
adamc@323 1202 uw_check_heap(ctx, sizeof(regions));
adamc@323 1203
adamc@666 1204 ctx->heap.front += sizeof(regions);
adamc@323 1205
adamc@323 1206 r->next = ctx->regions;
adamc@323 1207 ctx->regions = r;
adamc@323 1208 }
adamc@323 1209
adamc@323 1210 void uw_end_region(uw_context ctx) {
adamc@323 1211 regions *r = ctx->regions;
adamc@323 1212
adamc@323 1213 if (r == NULL)
adamc@323 1214 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1215
adamc@666 1216 ctx->heap.front = (char *) r;
adamc@323 1217 ctx->regions = r->next;
adamc@323 1218 }
adamc@323 1219
adamc@324 1220 void uw_memstats(uw_context ctx) {
adamc@1134 1221 printf("Headers: %lu/%lu\n", (unsigned long)buf_used(&ctx->outHeaders), (unsigned long)buf_avail(&ctx->outHeaders));
adamc@1134 1222 printf("Script: %lu/%lu\n", (unsigned long)buf_used(&ctx->script), (unsigned long)buf_avail(&ctx->script));
adamc@1134 1223 printf("Page: %lu/%lu\n", (unsigned long)buf_used(&ctx->page), (unsigned long)buf_avail(&ctx->page));
adamc@1134 1224 printf("Heap: %lu/%lu\n", (unsigned long)buf_used(&ctx->heap), (unsigned long)buf_avail(&ctx->heap));
adamc@324 1225 }
adamc@324 1226
adamc@311 1227 int uw_send(uw_context ctx, int sock) {
adamc@666 1228 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1229
adamc@462 1230 if (n < 0)
adamc@462 1231 return n;
adamc@462 1232
adamc@462 1233 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1234
adamc@462 1235 if (n < 0)
adamc@462 1236 return n;
adamc@462 1237
adamc@666 1238 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1239 }
adamc@462 1240
adamc@856 1241 int uw_print(uw_context ctx, int fd) {
adamc@856 1242 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1243
adamc@856 1244 if (n < 0)
adamc@856 1245 return n;
adamc@856 1246
adamc@856 1247 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1248
adamc@856 1249 if (n < 0)
adamc@856 1250 return n;
adamc@856 1251
adamc@856 1252 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1253 }
adamc@856 1254
adamc@860 1255 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1256 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1257
adamc@860 1258 if (n < 0)
adamc@860 1259 return n;
adamc@860 1260
adamc@860 1261 n = output(data, "\r\n", 2);
adamc@860 1262
adamc@860 1263 if (n < 0)
adamc@860 1264 return n;
adamc@860 1265
adamc@860 1266 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1267 }
adamc@860 1268
adamc@462 1269 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@1113 1270 ctx_buf_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1271 }
adamc@462 1272
adamc@462 1273 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1274 int len = strlen(s);
adamc@462 1275
adamc@462 1276 uw_check_headers(ctx, len + 1);
adamc@666 1277 strcpy(ctx->outHeaders.front, s);
adamc@666 1278 ctx->outHeaders.front += len;
adamc@562 1279 }
adamc@562 1280
adamc@1110 1281 void uw_clear_headers(uw_context ctx) {
adamc@1110 1282 buf_reset(&ctx->outHeaders);
adamc@1110 1283 }
adamc@1110 1284
adamc@562 1285 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@1113 1286 ctx_buf_check(ctx, "script", &ctx->script, extra);
adamc@562 1287 }
adamc@562 1288
adamc@562 1289 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1290 int len = strlen(s);
adamc@562 1291
adamc@562 1292 uw_check_script(ctx, len + 1);
adamc@666 1293 strcpy(ctx->script.front, s);
adamc@666 1294 ctx->script.front += len;
adamc@562 1295 }
adamc@562 1296
adamc@645 1297 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1298 return "<sc>";
adamc@565 1299 }
adamc@565 1300
adamc@695 1301 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1302 if (s[0] == 0)
adamc@695 1303 return "";
adamc@695 1304 else {
adamc@695 1305 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1306 sprintf(r, " onload='%s'", s);
adamc@695 1307 return r;
adamc@695 1308 }
adamc@695 1309 }
adamc@695 1310
adamc@1042 1311 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1312 if (ctx->script_header[0] == 0)
adamc@1042 1313 return "";
adamc@1042 1314 else {
adamc@1042 1315 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1316 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1317 return r;
adamc@1042 1318 }
adamc@1042 1319 }
adamc@1042 1320
adamc@694 1321 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1322 if (ctx->client == NULL) {
adamc@736 1323 if (ctx->needs_sig) {
adamc@1094 1324 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1325 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1326 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1327 return r;
adamc@736 1328 }
adamc@736 1329 else
adamc@736 1330 return "";
adamc@736 1331 } else {
adamc@1094 1332 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1333 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1334 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1335 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1336 ctx->client->id,
adamc@682 1337 ctx->client->pass,
adamc@1094 1338 ctx->app->url_prefix,
adamc@1094 1339 ctx->app->timeout,
adamc@736 1340 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1341 sig,
adamc@736 1342 ctx->needs_sig ? "\";" : "");
adamc@679 1343 return r;
adamc@668 1344 }
adamc@667 1345 }
adamc@667 1346
adamc@574 1347 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1348 char *r, *s2;
adamc@574 1349
adamc@574 1350 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1351
adamc@666 1352 r = s2 = ctx->heap.front;
adamc@574 1353 *s2++ = '"';
adamc@574 1354
adamc@574 1355 for (; *s; s++) {
adam@1286 1356 unsigned char c = *s;
adamc@574 1357
adamc@574 1358 switch (c) {
adamc@574 1359 case '"':
adamc@574 1360 strcpy(s2, "\\\"");
adamc@574 1361 s2 += 2;
adamc@574 1362 break;
adamc@1027 1363 case '\'':
adamc@1027 1364 strcpy(s2, "\\047");
adamc@1027 1365 s2 += 4;
adamc@1027 1366 break;
adamc@574 1367 case '\\':
adamc@574 1368 strcpy(s2, "\\\\");
adamc@574 1369 s2 += 2;
adamc@574 1370 break;
adamc@574 1371 default:
adam@1286 1372 if (isprint((int)c) || c >= 128)
adamc@574 1373 *s2++ = c;
adamc@574 1374 else {
adamc@574 1375 sprintf(s2, "\\%3o", c);
adamc@574 1376 s2 += 4;
adamc@574 1377 }
adamc@574 1378 }
adamc@574 1379 }
adamc@574 1380
adamc@574 1381 strcpy(s2, "\"");
adamc@910 1382 ctx->heap.front = s2 + 2;
adamc@574 1383 return r;
adamc@574 1384 }
adamc@574 1385
adam@1286 1386 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1387 unsigned char c = c1;
adamc@1025 1388 char *r, *s2;
adamc@1025 1389
adamc@1025 1390 uw_check_heap(ctx, 6);
adamc@1025 1391
adamc@1025 1392 r = s2 = ctx->heap.front;
adamc@1025 1393 *s2++ = '"';
adamc@1025 1394
adamc@1025 1395 switch (c) {
adamc@1025 1396 case '"':
adamc@1025 1397 strcpy(s2, "\\\"");
adamc@1025 1398 s2 += 2;
adamc@1025 1399 break;
adamc@1027 1400 case '\'':
adamc@1027 1401 strcpy(s2, "\\047");
adamc@1027 1402 s2 += 4;
adamc@1027 1403 break;
adamc@1025 1404 case '\\':
adamc@1025 1405 strcpy(s2, "\\\\");
adamc@1025 1406 s2 += 2;
adamc@1025 1407 break;
adamc@1025 1408 default:
adam@1286 1409 if (isprint((int)c) || c >= 128)
adamc@1025 1410 *s2++ = c;
adamc@1025 1411 else {
adam@1286 1412 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025 1413 s2 += 4;
adamc@1025 1414 }
adamc@1025 1415 }
adamc@1025 1416
adamc@1025 1417 strcpy(s2, "\"");
adamc@1025 1418 ctx->heap.front = s2 + 2;
adamc@1025 1419 return r;
adamc@1025 1420 }
adamc@1025 1421
adamc@574 1422 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1423 char *r, *s2;
adamc@574 1424
adamc@574 1425 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1426
adamc@666 1427 r = s2 = ctx->script.front;
adamc@574 1428 *s2++ = '"';
adamc@574 1429
adamc@574 1430 for (; *s; s++) {
adam@1286 1431 unsigned char c = *s;
adamc@574 1432
adamc@574 1433 switch (c) {
adamc@577 1434 case '\'':
adamc@1027 1435 strcpy(s2, "\\");
adamc@574 1436 s2 += 2;
adamc@574 1437 break;
adamc@574 1438 case '\\':
adamc@574 1439 strcpy(s2, "\\\\");
adamc@574 1440 s2 += 2;
adamc@574 1441 break;
adamc@574 1442 default:
adam@1286 1443 if (isprint((int)c) || c >= 128)
adamc@574 1444 *s2++ = c;
adamc@574 1445 else {
adamc@574 1446 sprintf(s2, "\\%3o", c);
adamc@574 1447 s2 += 4;
adamc@574 1448 }
adamc@574 1449 }
adamc@574 1450 }
adamc@574 1451
adamc@574 1452 strcpy(s2, "\"");
adamc@666 1453 ctx->script.front = s2 + 1;
adamc@574 1454 return r;
adamc@574 1455 }
adamc@574 1456
adamc@682 1457 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1458 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1459 return "null";
adamc@682 1460 else {
adamc@682 1461 int len;
adamc@682 1462 char *r;
adamc@682 1463
adamc@682 1464 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1465 r = ctx->heap.front;
adamc@682 1466 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1467 ctx->heap.front += len+1;
adamc@682 1468 return r;
adamc@682 1469 }
adamc@682 1470 }
adamc@682 1471
adamc@577 1472 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1473 int len;
adamc@577 1474 size_t s_len = strlen(s);
adamc@562 1475
adamc@970 1476 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1477 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1478 ctx->script.front += len;
adamc@666 1479 strcpy(ctx->script.front, s);
adamc@666 1480 ctx->script.front += s_len;
adamc@970 1481 strcpy(ctx->script.front, "));");
adamc@972 1482 ctx->script.front += 3;
adamc@562 1483
adamc@565 1484 return ctx->source_count++;
adamc@117 1485 }
adamc@117 1486
adamc@577 1487 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1488 int len;
adamc@577 1489 size_t s_len = strlen(s);
adamc@577 1490
adamc@970 1491 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1492 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1493 ctx->script.front += len;
adamc@666 1494 strcpy(ctx->script.front, s);
adamc@666 1495 ctx->script.front += s_len;
adamc@970 1496 strcpy(ctx->script.front, "));");
adamc@972 1497 ctx->script.front += 3;
adamc@577 1498
adamc@577 1499 return uw_unit_v;
adamc@577 1500 }
adamc@577 1501
adamc@311 1502 static void uw_check(uw_context ctx, size_t extra) {
adamc@1113 1503 ctx_buf_check(ctx, "page", &ctx->page, extra);
adamc@117 1504 }
adamc@117 1505
adamc@311 1506 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1507 *(ctx->page.front)++ = c;
adamc@117 1508 }
adamc@117 1509
adamc@311 1510 void uw_writec(uw_context ctx, char c) {
adamc@311 1511 uw_check(ctx, 1);
adamc@311 1512 uw_writec_unsafe(ctx, c);
adamc@117 1513 }
adamc@117 1514
adamc@311 1515 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1516 int len = strlen(s);
adamc@666 1517 memcpy(ctx->page.front, s, len);
adamc@666 1518 ctx->page.front += len;
adamc@117 1519 }
adamc@117 1520
adamc@311 1521 void uw_write(uw_context ctx, const char* s) {
adamc@311 1522 uw_check(ctx, strlen(s) + 1);
adamc@311 1523 uw_write_unsafe(ctx, s);
adamc@666 1524 *ctx->page.front = 0;
adamc@102 1525 }
adamc@106 1526
adamc@311 1527 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1528 char *result;
adamc@136 1529 int len;
adamc@311 1530 uw_check_heap(ctx, INTS_MAX);
adamc@666 1531 result = ctx->heap.front;
adamc@276 1532 sprintf(result, "%lld%n", n, &len);
adamc@666 1533 ctx->heap.front += len+1;
adamc@136 1534 return result;
adamc@106 1535 }
adamc@106 1536
adamc@311 1537 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1538 char *result;
adamc@136 1539 int len;
adamc@311 1540 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1541 result = ctx->heap.front;
adamc@136 1542 sprintf(result, "%g%n", n, &len);
adamc@666 1543 ctx->heap.front += len+1;
adamc@136 1544 return result;
adamc@106 1545 }
adamc@106 1546
adamc@311 1547 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1548 int len = strlen(s);
adamc@136 1549 char *result, *p;
adamc@311 1550 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1551
adamc@666 1552 result = p = ctx->heap.front;
adamc@136 1553
adamc@136 1554 for (; *s; s++) {
adamc@1054 1555 unsigned char c = *s;
adamc@136 1556
adamc@136 1557 if (c == '"') {
adamc@136 1558 strcpy(p, "&quot;");
adamc@136 1559 p += 6;
adamc@136 1560 } else if (c == '&') {
adamc@136 1561 strcpy(p, "&amp;");
adamc@136 1562 p += 5;
adamc@136 1563 }
adamc@1059 1564 else
adamc@136 1565 *p++ = c;
adamc@136 1566 }
adamc@136 1567
adamc@137 1568 *p++ = 0;
adamc@666 1569 ctx->heap.front = p;
adamc@136 1570 return result;
adamc@106 1571 }
adamc@106 1572
adamc@1011 1573 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1574 char *result, *p;
adamc@1011 1575 uw_check_heap(ctx, 7);
adamc@1011 1576
adamc@1011 1577 result = p = ctx->heap.front;
adamc@1011 1578
adamc@1011 1579 if (c == '"') {
adamc@1011 1580 strcpy(p, "&quot;");
adamc@1011 1581 p += 6;
adamc@1011 1582 } else if (c == '&') {
adamc@1011 1583 strcpy(p, "&amp;");
adamc@1011 1584 p += 5;
adamc@1011 1585 }
adamc@1059 1586 else
adamc@1011 1587 *p++ = c;
adamc@1011 1588
adamc@1011 1589 *p++ = 0;
adamc@1011 1590 ctx->heap.front = p;
adamc@1011 1591 return result;
adamc@1011 1592 }
adamc@1011 1593
adamc@721 1594 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1595 return s;
adamc@721 1596 }
adamc@721 1597
adamc@311 1598 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1599 int len;
adamc@117 1600
adamc@666 1601 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1602 ctx->page.front += len;
adamc@106 1603 }
adamc@106 1604
adamc@428 1605 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1606 uw_check(ctx, INTS_MAX);
adamc@311 1607 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1608
adamc@428 1609 return uw_unit_v;
adamc@106 1610 }
adamc@106 1611
adamc@428 1612 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1613 int len;
adamc@117 1614
adamc@311 1615 uw_check(ctx, FLOATS_MAX);
adamc@666 1616 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1617 ctx->page.front += len;
adamc@428 1618
adamc@428 1619 return uw_unit_v;
adamc@117 1620 }
adamc@117 1621
adamc@428 1622 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1623 uw_check(ctx, strlen(s) * 6);
adamc@117 1624
adamc@106 1625 for (; *s; s++) {
adamc@1054 1626 unsigned char c = *s;
adamc@106 1627
adamc@106 1628 if (c == '"')
adamc@311 1629 uw_write_unsafe(ctx, "&quot;");
adamc@136 1630 else if (c == '&')
adamc@311 1631 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1632 else
adamc@311 1633 uw_writec_unsafe(ctx, c);
adamc@106 1634 }
adamc@428 1635
adamc@428 1636 return uw_unit_v;
adamc@106 1637 }
adamc@120 1638
adamc@1011 1639 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1640 uw_check(ctx, 6);
adamc@1011 1641
adamc@1011 1642 if (c == '"')
adamc@1011 1643 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1644 else if (c == '&')
adamc@1011 1645 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1646 else
adamc@1011 1647 uw_writec_unsafe(ctx, c);
adamc@1011 1648
adamc@1011 1649 return uw_unit_v;
adamc@1011 1650 }
adamc@1011 1651
adamc@120 1652
adamc@311 1653 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1654 int len;
adamc@137 1655 char *r;
adamc@137 1656
adamc@311 1657 uw_check_heap(ctx, INTS_MAX);
adamc@666 1658 r = ctx->heap.front;
adamc@276 1659 sprintf(r, "%lld%n", n, &len);
adamc@666 1660 ctx->heap.front += len+1;
adamc@137 1661 return r;
adamc@120 1662 }
adamc@120 1663
adamc@682 1664 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1665 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1666 return "";
adamc@682 1667 else {
adamc@682 1668 int len;
adamc@682 1669 char *r;
adamc@679 1670
adamc@682 1671 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1672 r = ctx->heap.front;
adamc@682 1673 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1674 ctx->heap.front += len+1;
adamc@682 1675 return r;
adamc@682 1676 }
adamc@679 1677 }
adamc@679 1678
adamc@311 1679 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1680 int len;
adamc@137 1681 char *r;
adamc@137 1682
adamc@311 1683 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1684 r = ctx->heap.front;
adamc@137 1685 sprintf(r, "%g%n", n, &len);
adamc@666 1686 ctx->heap.front += len+1;
adamc@137 1687 return r;
adamc@120 1688 }
adamc@120 1689
adamc@311 1690 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1691 char *r, *p;
adamc@137 1692
adamc@925 1693 if (s[0] == '\0')
adamc@925 1694 return "_";
adamc@925 1695
adamc@925 1696 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1697
adamc@925 1698 r = p = ctx->heap.front;
adamc@925 1699 if (s[0] == '_')
adamc@925 1700 *p++ = '_';
adamc@925 1701
adamc@925 1702 for (; *s; s++) {
adamc@1087 1703 unsigned char c = *s;
adamc@137 1704
adamc@137 1705 if (c == ' ')
adamc@137 1706 *p++ = '+';
adamc@137 1707 else if (isalnum(c))
adamc@137 1708 *p++ = c;
adamc@137 1709 else {
adamc@1259 1710 sprintf(p, ".%02X", c);
adamc@137 1711 p += 3;
adamc@137 1712 }
adamc@137 1713 }
adamc@137 1714
adamc@137 1715 *p++ = 0;
adamc@666 1716 ctx->heap.front = p;
adamc@137 1717 return r;
adamc@120 1718 }
adamc@120 1719
adamc@311 1720 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1721 if (b == uw_Basis_False)
adamc@186 1722 return "0";
adamc@186 1723 else
adamc@186 1724 return "1";
adamc@186 1725 }
adamc@186 1726
adamc@311 1727 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1728 int len;
adamc@120 1729
adamc@666 1730 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1731 ctx->page.front += len;
adamc@120 1732 }
adamc@120 1733
adamc@428 1734 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1735 uw_check(ctx, INTS_MAX);
adamc@311 1736 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1737
adamc@428 1738 return uw_unit_v;
adamc@120 1739 }
adamc@120 1740
adamc@682 1741 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1742 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1743 int len;
adamc@682 1744
adamc@682 1745 uw_check(ctx, INTS_MAX + 1);
adamc@682 1746 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1747 ctx->page.front += len;
adamc@682 1748 }
adamc@682 1749
adamc@679 1750 return uw_unit_v;
adamc@679 1751 }
adamc@679 1752
adamc@428 1753 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1754 int len;
adamc@120 1755
adamc@311 1756 uw_check(ctx, FLOATS_MAX);
adamc@666 1757 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1758 ctx->page.front += len;
adamc@428 1759
adamc@428 1760 return uw_unit_v;
adamc@120 1761 }
adamc@120 1762
adamc@488 1763 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1764 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1765 }
adamc@488 1766
adamc@428 1767 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1768 if (s[0] == '\0') {
adamc@925 1769 uw_check(ctx, 1);
adamc@925 1770 uw_writec_unsafe(ctx, '_');
adamc@925 1771 return uw_unit_v;
adamc@925 1772 }
adamc@925 1773
adamc@925 1774 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1775
adamc@925 1776 if (s[0] == '_')
adamc@925 1777 uw_writec_unsafe(ctx, '_');
adamc@120 1778
adamc@120 1779 for (; *s; s++) {
adamc@1087 1780 unsigned char c = *s;
adamc@120 1781
adamc@120 1782 if (c == ' ')
adamc@311 1783 uw_writec_unsafe(ctx, '+');
adamc@120 1784 else if (isalnum(c))
adamc@311 1785 uw_writec_unsafe(ctx, c);
adamc@120 1786 else {
adamc@1259 1787 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1788 ctx->page.front += 3;
adamc@120 1789 }
adamc@120 1790 }
adamc@428 1791
adamc@428 1792 return uw_unit_v;
adamc@120 1793 }
adamc@120 1794
adamc@428 1795 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1796 if (b == uw_Basis_False)
adamc@311 1797 uw_writec(ctx, '0');
adamc@186 1798 else
adamc@311 1799 uw_writec(ctx, '1');
adamc@428 1800
adamc@428 1801 return uw_unit_v;
adamc@186 1802 }
adamc@186 1803
adamc@120 1804
adamc@311 1805 static char *uw_unurlify_advance(char *s) {
adamc@144 1806 char *new_s = strchr(s, '/');
adamc@120 1807
adamc@120 1808 if (new_s)
adamc@120 1809 *new_s++ = 0;
adamc@120 1810 else
adamc@144 1811 new_s = strchr(s, 0);
adamc@144 1812
adamc@144 1813 return new_s;
adamc@144 1814 }
adamc@144 1815
adamc@311 1816 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1817 char *new_s = uw_unurlify_advance(*s);
adamc@311 1818 uw_Basis_int r;
adamc@120 1819
adamc@276 1820 r = atoll(*s);
adamc@120 1821 *s = new_s;
adamc@120 1822 return r;
adamc@120 1823 }
adamc@120 1824
adamc@311 1825 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1826 char *new_s = uw_unurlify_advance(*s);
adamc@311 1827 uw_Basis_float r;
adamc@120 1828
adamc@120 1829 r = atof(*s);
adamc@120 1830 *s = new_s;
adamc@120 1831 return r;
adamc@120 1832 }
adamc@120 1833
adamc@488 1834 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1835 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1836 }
adamc@488 1837
adamc@1023 1838 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1839 char *s1, *s2 = s;
adamc@144 1840 int n;
adamc@136 1841
adamc@1023 1842 if (!fromClient) {
adamc@1023 1843 if (*s2 == '_')
adamc@1023 1844 ++s2;
adamc@1259 1845 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1846 s2 += 3;
adamc@1023 1847 }
adamc@925 1848
adamc@927 1849 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1850 unsigned char c = *s2;
adamc@136 1851
adamc@136 1852 switch (c) {
adamc@136 1853 case '+':
adamc@136 1854 *s1 = ' ';
adamc@136 1855 break;
adamc@136 1856 case '%':
adamc@169 1857 if (s2[1] == 0)
adamc@311 1858 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1859 if (s2[2] == 0)
adamc@311 1860 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1861 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1862 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1863 *s1 = n;
adamc@136 1864 s2 += 2;
adamc@136 1865 break;
adamc@1259 1866 case '.':
adamc@1259 1867 if (!fromClient) {
adamc@1259 1868 if (s2[1] == 0)
adamc@1259 1869 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1870 if (s2[2] == 0)
adamc@1259 1871 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1872 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1873 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1874 *s1 = n;
adamc@1259 1875 s2 += 2;
adamc@1259 1876 break;
adamc@1259 1877 }
adamc@136 1878 default:
adamc@136 1879 *s1 = c;
adamc@136 1880 }
adamc@136 1881 }
adamc@136 1882 *s1++ = 0;
adamc@144 1883 return s1;
adamc@144 1884 }
adamc@144 1885
adamc@311 1886 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1887 char *new_s = uw_unurlify_advance(*s);
adamc@311 1888 uw_Basis_bool r;
adamc@186 1889
adamc@186 1890 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1891 r = uw_Basis_False;
adamc@186 1892 else
adamc@311 1893 r = uw_Basis_True;
adamc@186 1894
adamc@186 1895 *s = new_s;
adamc@186 1896 return r;
adamc@186 1897 }
adamc@186 1898
adamc@311 1899 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1900 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1901 char *r;
adamc@1134 1902 int len;
adamc@144 1903
adamc@200 1904 len = strlen(*s);
adamc@311 1905 uw_check_heap(ctx, len + 1);
adamc@144 1906
adamc@666 1907 r = ctx->heap.front;
adamc@1023 1908 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1909 *s = new_s;
adamc@1023 1910 return r;
adamc@1023 1911 }
adamc@1023 1912
adamc@1109 1913 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1914 *s = uw_unurlify_advance(*s);
adamc@1109 1915 return uw_unit_v;
adamc@1109 1916 }
adamc@1109 1917
adamc@1023 1918 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1919 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1920 char *r;
adamc@1134 1921 int len;
adamc@1023 1922
adamc@1023 1923 len = strlen(*s);
adamc@1023 1924 uw_check_heap(ctx, len + 1);
adamc@1023 1925
adamc@1023 1926 r = ctx->heap.front;
adamc@1023 1927 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1928 *s = new_s;
adamc@136 1929 return r;
adamc@120 1930 }
adamc@135 1931
adamc@135 1932
adamc@311 1933 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1934 int len;
adamc@286 1935 char *r;
adamc@286 1936
adamc@311 1937 uw_check_heap(ctx, INTS_MAX);
adamc@666 1938 r = ctx->heap.front;
adamc@286 1939 sprintf(r, "%lld%n", n, &len);
adamc@666 1940 ctx->heap.front += len+1;
adamc@286 1941 return r;
adamc@286 1942 }
adamc@286 1943
adamc@428 1944 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1945 int len;
adamc@286 1946
adamc@311 1947 uw_check(ctx, INTS_MAX);
adamc@666 1948 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1949 ctx->page.front += len;
adamc@428 1950
adamc@428 1951 return uw_unit_v;
adamc@286 1952 }
adamc@286 1953
adamc@311 1954 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1955 int len;
adamc@286 1956 char *r;
adamc@286 1957
adamc@311 1958 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1959 r = ctx->heap.front;
adamc@286 1960 sprintf(r, "%g%n", n, &len);
adamc@666 1961 ctx->heap.front += len+1;
adamc@286 1962 return r;
adamc@286 1963 }
adamc@286 1964
adamc@428 1965 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1966 int len;
adamc@286 1967
adamc@311 1968 uw_check(ctx, FLOATS_MAX);
adamc@666 1969 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1970 ctx->page.front += len;
adamc@428 1971
adamc@428 1972 return uw_unit_v;
adamc@286 1973 }
adamc@286 1974
adamc@311 1975 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1976 char *r, *s2;
adamc@137 1977
adamc@311 1978 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 1979
adamc@666 1980 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 1981 unsigned char c = *s;
adamc@137 1982
adamc@137 1983 switch (c) {
adamc@137 1984 case '<':
adamc@137 1985 strcpy(s2, "&lt;");
adamc@137 1986 s2 += 4;
adamc@137 1987 break;
adamc@137 1988 case '&':
adamc@137 1989 strcpy(s2, "&amp;");
adamc@137 1990 s2 += 5;
adamc@137 1991 break;
adamc@137 1992 default:
adamc@1059 1993 *s2++ = c;
adamc@137 1994 }
adamc@137 1995 }
adamc@137 1996
adamc@137 1997 *s2++ = 0;
adamc@666 1998 ctx->heap.front = s2;
adamc@137 1999 return r;
adamc@135 2000 }
adamc@135 2001
adamc@428 2002 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2003 uw_check(ctx, strlen(s) * 6);
adamc@135 2004
adamc@135 2005 for (; *s; s++) {
adamc@1054 2006 unsigned char c = *s;
adamc@135 2007
adamc@135 2008 switch (c) {
adamc@135 2009 case '<':
adamc@311 2010 uw_write_unsafe(ctx, "&lt;");
adamc@135 2011 break;
adamc@135 2012 case '&':
adamc@311 2013 uw_write_unsafe(ctx, "&amp;");
adamc@135 2014 break;
adamc@135 2015 default:
adamc@1059 2016 uw_writec_unsafe(ctx, c);
adamc@135 2017 }
adamc@135 2018 }
adamc@428 2019
adamc@428 2020 return uw_unit_v;
adamc@135 2021 }
adamc@180 2022
adamc@311 2023 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2024 if (b == uw_Basis_False)
adamc@286 2025 return "False";
adamc@286 2026 else
adamc@286 2027 return "True";
adamc@286 2028 }
adamc@286 2029
adamc@428 2030 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2031 if (b == uw_Basis_False) {
adamc@311 2032 uw_check(ctx, 6);
adamc@666 2033 strcpy(ctx->page.front, "False");
adamc@666 2034 ctx->page.front += 5;
adamc@286 2035 } else {
adamc@311 2036 uw_check(ctx, 5);
adamc@666 2037 strcpy(ctx->page.front, "True");
adamc@666 2038 ctx->page.front += 4;
adamc@286 2039 }
adamc@428 2040
adamc@428 2041 return uw_unit_v;
adamc@286 2042 }
adamc@286 2043
adamc@436 2044 #define TIME_FMT "%x %X"
adamc@438 2045 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2046
adamc@436 2047 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2048 size_t len;
adamc@436 2049 char *r;
adamc@436 2050 struct tm stm;
adamc@436 2051
adamc@436 2052 if (localtime_r(&t, &stm)) {
adamc@436 2053 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2054 r = ctx->heap.front;
adamc@436 2055 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2056 ctx->heap.front += len+1;
adamc@436 2057 return r;
adamc@436 2058 } else
adamc@436 2059 return "<i>Invalid time</i>";
adamc@436 2060 }
adamc@436 2061
adamc@436 2062 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2063 size_t len;
adamc@436 2064 char *r;
adamc@436 2065 struct tm stm;
adamc@436 2066
adamc@436 2067 if (localtime_r(&t, &stm)) {
adamc@436 2068 uw_check(ctx, TIMES_MAX);
adamc@666 2069 r = ctx->page.front;
adamc@436 2070 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2071 ctx->page.front += len;
adamc@436 2072 } else {
adamc@436 2073 uw_check(ctx, 20);
adamc@666 2074 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2075 ctx->page.front += 19;
adamc@436 2076 }
adamc@436 2077
adamc@436 2078 return uw_unit_v;
adamc@436 2079 }
adamc@436 2080
adamc@821 2081 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2082 if (n >= 0 && n < strlen(s))
adamc@821 2083 return s[n];
adamc@821 2084 else
adamc@821 2085 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 2086 }
adamc@821 2087
adamc@821 2088 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 2089 if (n >= 0 && n < strlen(s))
adamc@821 2090 return &s[n];
adamc@821 2091 else
adamc@821 2092 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 2093 }
adamc@821 2094
adamc@828 2095 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2096 return strlen(s);
adamc@828 2097 }
adamc@828 2098
adamc@829 2099 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2100 return strchr(s, ch);
adamc@829 2101 }
adamc@829 2102
adamc@831 2103 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2104 return strcspn(s, chs);
adamc@831 2105 }
adamc@831 2106
adamc@829 2107 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2108 uw_Basis_string r = strchr(s, ch);
adamc@829 2109 if (r == NULL)
adamc@829 2110 return NULL;
adamc@829 2111 else {
adamc@829 2112 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2113 *nr = r - s;
adamc@829 2114 return nr;
adamc@829 2115 }
adamc@829 2116 }
adamc@829 2117
adamc@311 2118 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2119 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2120 char *s;
adamc@180 2121
adamc@311 2122 uw_check_heap(ctx, len);
adamc@180 2123
adamc@666 2124 s = ctx->heap.front;
adamc@180 2125
adamc@180 2126 strcpy(s, s1);
adamc@180 2127 strcat(s, s2);
adamc@666 2128 ctx->heap.front += len;
adamc@180 2129
adamc@180 2130 return s;
adamc@180 2131 }
adamc@278 2132
adamc@829 2133 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2134 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2135
adamc@829 2136 if (start < 0)
adamc@829 2137 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2138 if (len < 0)
adamc@829 2139 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2140 if (start + len > full_len)
adamc@829 2141 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2142
adamc@829 2143 if (start + len == full_len)
adamc@829 2144 return &s[start];
adamc@829 2145 else {
adamc@829 2146 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2147 memcpy(r, s+start, len);
adamc@829 2148 r[len] = 0;
adamc@829 2149 return r;
adamc@829 2150 }
adamc@829 2151
adamc@829 2152 }
adamc@829 2153
adamc@1023 2154 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2155 char *r;
adamc@1023 2156
adamc@1023 2157 uw_check_heap(ctx, 2);
adamc@1023 2158 r = ctx->heap.front;
adamc@1023 2159 r[0] = ch;
adamc@1023 2160 r[1] = 0;
adamc@1023 2161
adamc@1023 2162 ctx->heap.front += 2;
adamc@1023 2163
adamc@1023 2164 return r;
adamc@1023 2165 }
adamc@1023 2166
adamc@737 2167 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2168 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2169 char *s;
adamc@278 2170
adamc@311 2171 uw_check_heap(ctx, len);
adamc@278 2172
adamc@666 2173 s = ctx->heap.front;
adamc@278 2174
adamc@278 2175 strcpy(s, s1);
adamc@666 2176 ctx->heap.front += len;
adamc@278 2177
adamc@278 2178 return s;
adamc@278 2179 }
adamc@280 2180
adam@1295 2181 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2182 if (ctx->error_message[0]) {
adam@1295 2183 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2184 ctx->error_message[0] = 0;
adam@1295 2185 return s;
adam@1295 2186 } else
adam@1295 2187 return NULL;
adam@1295 2188 }
adam@1295 2189
adamc@737 2190 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2191 if (s1)
adamc@737 2192 return uw_strdup(ctx, s1);
adamc@493 2193 else
adamc@493 2194 return NULL;
adamc@493 2195 }
adamc@493 2196
adamc@742 2197 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2198 char *r = uw_malloc(ctx, len);
adamc@742 2199 memcpy(r, p, len);
adamc@742 2200 return r;
adamc@742 2201 }
adamc@280 2202
adamc@879 2203 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2204
adamc@311 2205 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2206 int len;
adamc@281 2207 char *r;
adamc@281 2208
adamc@311 2209 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2210 r = ctx->heap.front;
adamc@879 2211 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2212 ctx->heap.front += len+1;
adamc@281 2213 return r;
adamc@281 2214 }
adamc@281 2215
adamc@467 2216 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2217 if (n == NULL)
adamc@467 2218 return "NULL";
adamc@467 2219 else
adamc@467 2220 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2221 }
adamc@467 2222
adamc@879 2223 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2224
adamc@311 2225 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2226 int len;
adamc@281 2227 char *r;
adamc@281 2228
adamc@311 2229 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2230 r = ctx->heap.front;
adamc@879 2231 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2232 ctx->heap.front += len+1;
adamc@281 2233 return r;
adamc@281 2234 }
adamc@281 2235
adamc@467 2236 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2237 if (n == NULL)
adamc@467 2238 return "NULL";
adamc@467 2239 else
adamc@467 2240 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2241 }
adamc@467 2242
adamc@879 2243 int uw_Estrings = 1;
adamc@879 2244 char *uw_sqlsuffixString = "::text";
adamc@1011 2245 char *uw_sqlsuffixChar = "::char";
adamc@281 2246
adamc@311 2247 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2248 char *r, *s2;
adamc@280 2249
adamc@879 2250 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2251
adamc@666 2252 r = s2 = ctx->heap.front;
adamc@879 2253 if (uw_Estrings)
adamc@879 2254 *s2++ = 'E';
adamc@280 2255 *s2++ = '\'';
adamc@280 2256
adamc@280 2257 for (; *s; s++) {
adamc@280 2258 char c = *s;
adamc@280 2259
adamc@280 2260 switch (c) {
adamc@280 2261 case '\'':
adamc@885 2262 if (uw_Estrings)
adamc@885 2263 strcpy(s2, "\\'");
adamc@885 2264 else
adamc@885 2265 strcpy(s2, "''");
adamc@280 2266 s2 += 2;
adamc@280 2267 break;
adamc@280 2268 case '\\':
adamc@885 2269 if (uw_Estrings) {
adamc@885 2270 strcpy(s2, "\\\\");
adamc@885 2271 s2 += 2;
adamc@885 2272 } else
adamc@885 2273 *s2++ = '\\';
adamc@280 2274 break;
adamc@280 2275 default:
adamc@1150 2276 if (isprint((int)c))
adamc@280 2277 *s2++ = c;
adamc@879 2278 else if (uw_Estrings) {
adamc@737 2279 sprintf(s2, "\\%03o", c);
adamc@280 2280 s2 += 4;
adamc@280 2281 }
adamc@879 2282 else
adamc@879 2283 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2284 }
adamc@280 2285 }
adamc@280 2286
adamc@879 2287 *s2++ = '\'';
adamc@879 2288 strcpy(s2, uw_sqlsuffixString);
adamc@879 2289 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2290 return r;
adamc@280 2291 }
adamc@281 2292
adamc@1011 2293 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2294 char *r, *s2;
adamc@1011 2295
adamc@1011 2296 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2297
adamc@1011 2298 r = s2 = ctx->heap.front;
adamc@1011 2299 if (uw_Estrings)
adamc@1011 2300 *s2++ = 'E';
adamc@1011 2301 *s2++ = '\'';
adamc@1011 2302
adamc@1011 2303 switch (c) {
adamc@1011 2304 case '\'':
adamc@1011 2305 if (uw_Estrings)
adamc@1011 2306 strcpy(s2, "\\'");
adamc@1011 2307 else
adamc@1011 2308 strcpy(s2, "''");
adamc@1011 2309 s2 += 2;
adamc@1011 2310 break;
adamc@1011 2311 case '\\':
adamc@1011 2312 if (uw_Estrings) {
adamc@1011 2313 strcpy(s2, "\\\\");
adamc@1011 2314 s2 += 2;
adamc@1011 2315 } else
adamc@1011 2316 *s2++ = '\\';
adamc@1011 2317 break;
adamc@1011 2318 default:
adamc@1150 2319 if (isprint((int)c))
adamc@1011 2320 *s2++ = c;
adamc@1011 2321 else if (uw_Estrings) {
adamc@1011 2322 sprintf(s2, "\\%03o", c);
adamc@1011 2323 s2 += 4;
adamc@1011 2324 }
adamc@1011 2325 else
adamc@1011 2326 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2327 }
adamc@1011 2328
adamc@1011 2329 *s2++ = '\'';
adamc@1011 2330 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2331 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2332 return r;
adamc@1011 2333 }
adamc@1011 2334
adamc@879 2335 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2336
adamc@737 2337 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2338 char *r, *s2;
adamc@737 2339 size_t i;
adamc@737 2340
adamc@879 2341 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2342
adamc@737 2343 r = s2 = ctx->heap.front;
adamc@879 2344 if (uw_Estrings)
adamc@879 2345 *s2++ = 'E';
adamc@737 2346 *s2++ = '\'';
adamc@737 2347
adamc@737 2348 for (i = 0; i < b.size; ++i) {
adamc@737 2349 char c = b.data[i];
adamc@737 2350
adamc@737 2351 switch (c) {
adamc@737 2352 case '\'':
adamc@885 2353 if (uw_Estrings)
adamc@885 2354 strcpy(s2, "\\'");
adamc@885 2355 else
adamc@885 2356 strcpy(s2, "''");
adamc@737 2357 s2 += 2;
adamc@737 2358 break;
adamc@737 2359 case '\\':
adamc@885 2360 if (uw_Estrings) {
adamc@885 2361 strcpy(s2, "\\\\\\\\");
adamc@885 2362 s2 += 4;
adamc@885 2363 } else
adamc@885 2364 *s2++ = '\\';
adamc@737 2365 break;
adamc@737 2366 default:
adamc@1150 2367 if (isprint((int)c))
adamc@737 2368 *s2++ = c;
adamc@879 2369 else if (uw_Estrings) {
adamc@737 2370 sprintf(s2, "\\\\%03o", c);
adamc@737 2371 s2 += 5;
adamc@737 2372 }
adamc@879 2373 else
adamc@879 2374 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2375 }
adamc@737 2376 }
adamc@737 2377
adamc@879 2378 *s2++ = '\'';
adamc@879 2379 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2380 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2381 return r;
adamc@737 2382 }
adamc@737 2383
adamc@682 2384 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2385 int len;
adamc@682 2386 char *r;
adamc@682 2387 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2388
adamc@682 2389 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2390 r = ctx->heap.front;
adamc@879 2391 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2392 ctx->heap.front += len+1;
adamc@682 2393 return r;
adamc@682 2394 }
adamc@682 2395
adamc@682 2396 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2397 int len;
adamc@682 2398 char *r;
adamc@682 2399 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2400
adamc@682 2401 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2402 r = ctx->heap.front;
adamc@682 2403 sprintf(r, "%lld%n", combo, &len);
adamc@682 2404 ctx->heap.front += len+1;
adamc@682 2405 return r;
adamc@682 2406 }
adamc@682 2407
adamc@879 2408 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2409
adamc@682 2410 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2411 int len;
adamc@682 2412 char *r;
adamc@682 2413
adamc@682 2414 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2415 r = ctx->heap.front;
adamc@879 2416 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2417 ctx->heap.front += len+1;
adamc@682 2418 return r;
adamc@682 2419 }
adamc@682 2420
adamc@682 2421 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2422 int len;
adamc@682 2423 char *r;
adamc@682 2424
adamc@682 2425 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2426 r = ctx->heap.front;
adamc@682 2427 sprintf(r, "%u%n", cli, &len);
adamc@682 2428 ctx->heap.front += len+1;
adamc@682 2429 return r;
adamc@682 2430 }
adamc@682 2431
adamc@467 2432 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2433 if (s == NULL)
adamc@467 2434 return "NULL";
adamc@467 2435 else
adamc@467 2436 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2437 }
adamc@467 2438
adamc@311 2439 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2440 if (b == uw_Basis_False)
adamc@281 2441 return "FALSE";
adamc@281 2442 else
adamc@281 2443 return "TRUE";
adamc@281 2444 }
adamc@282 2445
adamc@467 2446 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2447 if (b == NULL)
adamc@467 2448 return "NULL";
adamc@467 2449 else
adamc@467 2450 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2451 }
adamc@467 2452
adamc@439 2453 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2454 size_t len;
adamc@682 2455 char *r, *s;
adamc@682 2456 struct tm stm;
adamc@682 2457
adamc@682 2458 if (localtime_r(&t, &stm)) {
adamc@682 2459 s = uw_malloc(ctx, TIMES_MAX);
adamc@682 2460 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682 2461 r = uw_malloc(ctx, len + 14);
adamc@682 2462 sprintf(r, "'%s'::timestamp", s);
adamc@682 2463 return r;
adamc@682 2464 } else
adamc@682 2465 return "<Invalid time>";
adamc@682 2466 }
adamc@682 2467
adamc@682 2468 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2469 size_t len;
adamc@439 2470 char *r;
adamc@439 2471 struct tm stm;
adamc@439 2472
adamc@439 2473 if (localtime_r(&t, &stm)) {
adamc@439 2474 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2475 r = ctx->heap.front;
adamc@439 2476 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2477 ctx->heap.front += len+1;
adamc@439 2478 return r;
adamc@439 2479 } else
adamc@439 2480 return "<Invalid time>";
adamc@439 2481 }
adamc@439 2482
adamc@467 2483 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2484 if (t == NULL)
adamc@467 2485 return "NULL";
adamc@467 2486 else
adamc@467 2487 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2488 }
adamc@467 2489
adamc@311 2490 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2491 static uw_Basis_int true = 1;
adamc@311 2492 static uw_Basis_int false = 0;
adamc@282 2493
adamc@311 2494 if (b == uw_Basis_False)
adamc@282 2495 return (char *)&false;
adamc@282 2496 else
adamc@282 2497 return (char *)&true;
adamc@282 2498 }
adamc@284 2499
adamc@311 2500 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2501 int len;
adamc@284 2502 char *r;
adamc@284 2503
adamc@311 2504 uw_check_heap(ctx, INTS_MAX);
adamc@666 2505 r = ctx->heap.front;
adamc@284 2506 sprintf(r, "%lld%n", n, &len);
adamc@666 2507 ctx->heap.front += len+1;
adamc@284 2508 return r;
adamc@284 2509 }
adamc@285 2510
adamc@311 2511 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2512 int len;
adamc@285 2513 char *r;
adamc@285 2514
adamc@311 2515 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2516 r = ctx->heap.front;
adamc@285 2517 sprintf(r, "%g%n", n, &len);
adamc@666 2518 ctx->heap.front += len+1;
adamc@285 2519 return r;
adamc@285 2520 }
adamc@285 2521
adamc@821 2522 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2523 char *r = uw_malloc(ctx, 2);
adamc@821 2524 r[0] = ch;
adamc@821 2525 r[1] = 0;
adamc@821 2526 return r;
adamc@821 2527 }
adamc@821 2528
adamc@311 2529 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2530 if (b == uw_Basis_False)
adamc@285 2531 return "False";
adamc@285 2532 else
adamc@285 2533 return "True";
adamc@285 2534 }
adamc@288 2535
adamc@436 2536 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2537 size_t len;
adamc@436 2538 char *r;
adamc@436 2539 struct tm stm;
adamc@436 2540
adamc@436 2541 if (localtime_r(&t, &stm)) {
adamc@436 2542 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2543 r = ctx->heap.front;
adamc@436 2544 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2545 ctx->heap.front += len+1;
adamc@436 2546 return r;
adamc@436 2547 } else
adamc@436 2548 return "<Invalid time>";
adamc@436 2549 }
adamc@288 2550
adamc@311 2551 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2552 char *endptr;
adamc@311 2553 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2554
adamc@288 2555 if (*s != '\0' && *endptr == '\0') {
adamc@311 2556 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2557 *r = n;
adamc@288 2558 return r;
adamc@288 2559 } else
adamc@288 2560 return NULL;
adamc@288 2561 }
adamc@289 2562
adamc@311 2563 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2564 char *endptr;
adamc@311 2565 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2566
adamc@289 2567 if (*s != '\0' && *endptr == '\0') {
adamc@311 2568 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2569 *r = n;
adamc@289 2570 return r;
adamc@289 2571 } else
adamc@289 2572 return NULL;
adamc@289 2573 }
adamc@289 2574
adamc@821 2575 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2576 if (s[0] == 0) {
adamc@821 2577 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2578 r[0] = 0;
adamc@821 2579 return r;
adamc@821 2580 } else if (s[1] != 0)
adamc@821 2581 return NULL;
adamc@821 2582 else {
adamc@821 2583 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2584 r[0] = s[0];
adamc@821 2585 return r;
adamc@821 2586 }
adamc@821 2587 }
adamc@821 2588
adamc@311 2589 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2590 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2591 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2592
adamc@289 2593 if (!strcasecmp (s, "True"))
adamc@289 2594 return &true;
adamc@289 2595 else if (!strcasecmp (s, "False"))
adamc@289 2596 return &false;
adamc@289 2597 else
adamc@289 2598 return NULL;
adamc@289 2599 }
adamc@292 2600
adamc@436 2601 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2602 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2603 struct tm stm;
adamc@436 2604
adamc@439 2605 if (dot) {
adamc@439 2606 *dot = 0;
adamc@439 2607 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2608 *dot = '.';
adamc@439 2609 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2610 *r = mktime(&stm);
adamc@439 2611 return r;
adamc@439 2612 }
adamc@439 2613 else {
adamc@439 2614 *dot = '.';
adamc@439 2615 return NULL;
adamc@439 2616 }
adamc@436 2617 }
adamc@439 2618 else {
adamc@439 2619 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2620 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2621 *r = mktime(&stm);
adamc@439 2622 return r;
adamc@439 2623 }
adamc@439 2624 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2625 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2626 *r = mktime(&stm);
adamc@439 2627 return r;
adamc@439 2628 }
adamc@439 2629 else
adamc@439 2630 return NULL;
adamc@439 2631 }
adamc@436 2632 }
adamc@436 2633
adamc@311 2634 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2635 char *endptr;
adamc@311 2636 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2637
adamc@292 2638 if (*s != '\0' && *endptr == '\0')
adamc@292 2639 return n;
adamc@292 2640 else
adamc@311 2641 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2642 }
adamc@293 2643
adamc@682 2644 #include <errno.h>
adamc@682 2645
adamc@678 2646 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2647 unsigned long long n;
adamc@682 2648
adamc@682 2649 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2650 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2651 else {
adamc@682 2652 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2653 return ch;
adamc@682 2654 }
adamc@682 2655 }
adamc@682 2656
adamc@682 2657 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2658 char *endptr;
adamc@682 2659 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2660
adamc@678 2661 if (*s != '\0' && *endptr == '\0')
adamc@678 2662 return n;
adamc@678 2663 else
adamc@682 2664 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2665 }
adamc@678 2666
adamc@311 2667 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2668 char *endptr;
adamc@311 2669 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2670
adamc@293 2671 if (*s != '\0' && *endptr == '\0')
adamc@293 2672 return n;
adamc@293 2673 else
adamc@311 2674 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2675 }
adamc@293 2676
adamc@821 2677 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2678 if (s[0] == 0)
adamc@821 2679 return 0;
adamc@821 2680 else if (s[1] != 0)
adamc@821 2681 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2682 else
adamc@821 2683 return s[0];
adamc@821 2684 }
adamc@821 2685
adamc@311 2686 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2687 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2688 return uw_Basis_True;
adamc@296 2689 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2690 return uw_Basis_False;
adamc@293 2691 else
adamc@311 2692 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2693 }
adamc@436 2694
adamc@436 2695 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2696 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2697 struct tm stm = {};
adamc@436 2698
adamc@438 2699 if (dot) {
adamc@438 2700 *dot = 0;
adamc@438 2701 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2702 *dot = '.';
adamc@438 2703 return mktime(&stm);
adamc@438 2704 }
adamc@438 2705 else {
adamc@438 2706 *dot = '.';
adamc@438 2707 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2708 }
adamc@438 2709 }
adamc@438 2710 else {
adamc@439 2711 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2712 return mktime(&stm);
adamc@439 2713 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2714 return mktime(&stm);
adamc@438 2715 else
adamc@438 2716 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2717 }
adamc@436 2718 }
adamc@457 2719
adamc@939 2720 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adamc@939 2721 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@939 2722 struct tm stm = {};
adamc@939 2723
adamc@939 2724 if (dot) {
adamc@939 2725 *dot = 0;
adamc@939 2726 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@939 2727 *dot = '.';
adamc@939 2728 return mktime(&stm);
adamc@939 2729 }
adamc@939 2730 else {
adamc@939 2731 *dot = '.';
adamc@939 2732 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2733 }
adamc@939 2734 }
adamc@939 2735 else {
adamc@939 2736 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@939 2737 return mktime(&stm);
adamc@939 2738 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@939 2739 return mktime(&stm);
adamc@939 2740 } else
adamc@939 2741 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2742 }
adamc@939 2743 }
adamc@939 2744
adamc@742 2745 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2746 char *r = ctx->heap.front;
adamc@742 2747 uw_Basis_blob b = {len, r};
adamc@742 2748
adamc@742 2749 uw_check_heap(ctx, len);
adamc@742 2750
adamc@742 2751 while (*s) {
adamc@742 2752 if (s[0] == '\\') {
adamc@742 2753 if (s[1] == '\\') {
adamc@742 2754 *r++ = '\\';
adamc@742 2755 s += 2;
adamc@1153 2756 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2757 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2758 s += 4;
adamc@742 2759 }
adamc@742 2760 else {
adamc@742 2761 *r++ = '\\';
adamc@742 2762 ++s;
adamc@742 2763 }
adamc@742 2764 } else {
adamc@742 2765 *r++ = s[0];
adamc@742 2766 ++s;
adamc@742 2767 }
adamc@742 2768 }
adamc@742 2769
adamc@742 2770 b.size = r - ctx->heap.front;
adamc@742 2771 ctx->heap.front = r;
adamc@742 2772 return b;
adamc@742 2773 }
adamc@742 2774
adamc@1052 2775 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2776
adamc@463 2777 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2778 int len = strlen(c);
adamc@854 2779 char *p = ctx->outHeaders.start;
adamc@474 2780
adamc@1134 2781 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2782 char *p2;
adamc@474 2783 p += 13;
adamc@474 2784 p2 = strchr(p, '=');
adamc@474 2785
adamc@474 2786 if (p2) {
adamc@474 2787 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2788
adamc@474 2789 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2790 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2791 return NULL;
adamc@1052 2792 else {
adamc@1052 2793 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2794 memcpy(ret, p2+1, sz);
adamc@1052 2795 ret[sz] = 0;
adamc@1052 2796 return ret;
adamc@1052 2797 }
adamc@474 2798 }
adamc@474 2799 }
adamc@474 2800 }
adamc@463 2801
adamc@1134 2802 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2803 char *p2;
adamc@1051 2804
adamc@854 2805 while (1) {
adamc@1051 2806 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2807 if ((p2 = strchr(p, ';'))) {
adamc@1051 2808 size_t n = p2 - (p + len);
adamc@1051 2809 char *r = uw_malloc(ctx, n);
adamc@1051 2810 memcpy(r, p + 1 + len, n-1);
adamc@1051 2811 r[n-1] = 0;
adamc@1051 2812 return r;
adamc@1051 2813 } else
adamc@1051 2814 return p + 1 + len;
adamc@1134 2815 } else if ((p = strchr(p, ';')))
adamc@854 2816 p += 2;
adamc@463 2817 else
adamc@463 2818 return NULL;
adamc@463 2819 }
adamc@463 2820 }
adamc@792 2821
adamc@792 2822 return NULL;
adamc@457 2823 }
adamc@462 2824
adamc@1050 2825 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 2826 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2827 uw_write_header(ctx, c);
adamc@462 2828 uw_write_header(ctx, "=");
adamc@462 2829 uw_write_header(ctx, v);
adamc@466 2830 uw_write_header(ctx, "; path=");
adamc@466 2831 uw_write_header(ctx, prefix);
adamc@1050 2832 if (expires) {
adamc@1050 2833 char formatted[30];
adamc@1050 2834 struct tm tm;
adamc@1050 2835
adamc@1050 2836 gmtime_r(expires, &tm);
adamc@1050 2837
adamc@1050 2838 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2839
adamc@1050 2840 uw_write_header(ctx, "; expires=");
adamc@1050 2841 uw_write_header(ctx, formatted);
adamc@1050 2842 }
adamc@1050 2843 if (secure)
adamc@1050 2844 uw_write_header(ctx, "; secure");
adamc@462 2845 uw_write_header(ctx, "\r\n");
adamc@462 2846
adamc@462 2847 return uw_unit_v;
adamc@462 2848 }
adamc@667 2849
adamc@1050 2850 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2851 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2852 uw_write_header(ctx, c);
adamc@1050 2853 uw_write_header(ctx, "=; path=");
adamc@1050 2854 uw_write_header(ctx, prefix);
adamc@1052 2855 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2856
adamc@1050 2857 return uw_unit_v;
adamc@1050 2858 }
adamc@1050 2859
adamc@1113 2860 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 2861
adamc@682 2862 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2863 unsigned i;
adamc@682 2864 delta *d;
adamc@671 2865
adamc@682 2866 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2867 if (ctx->deltas[i].client == client)
adamc@682 2868 return &ctx->deltas[i];
adamc@671 2869
adamc@682 2870 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 2871 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 2872 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 2873
adamc@682 2874 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@1113 2875 buf_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2876 }
adamc@671 2877
adamc@682 2878 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2879 d->client = client;
adamc@682 2880 buf_reset(&d->msgs);
adamc@682 2881 return d;
adamc@671 2882 }
adamc@671 2883
adamc@668 2884 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2885 if (ctx->client == NULL)
adamc@682 2886 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2887
adamc@682 2888 return new_channel(ctx->client);
adamc@668 2889 }
adamc@668 2890
adamc@668 2891 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 2892 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 2893 size_t len;
adamc@682 2894 int preLen;
adamc@682 2895 char pre[INTS_MAX + 2];
adamc@668 2896
adamc@682 2897 len = strlen(msg);
adamc@682 2898
adamc@682 2899 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 2900
adamc@1113 2901 ctx_buf_append(ctx, "messages", &d->msgs, pre, preLen);
adamc@1113 2902 ctx_buf_append(ctx, "messages", &d->msgs, msg, len);
adamc@1113 2903 ctx_buf_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 2904
adamc@671 2905 return uw_unit_v;
adamc@668 2906 }
adamc@671 2907
adam@1327 2908 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 2909 int i;
adamc@1131 2910 cleanup *cl;
adamc@1131 2911
adamc@1131 2912 if (ctx->client)
adamc@1131 2913 release_client(ctx->client);
adamc@1131 2914
adamc@1131 2915 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 2916 cl->func(cl->arg);
adamc@1131 2917
adamc@1131 2918 ctx->cleanup_front = ctx->cleanup;
adamc@1131 2919
adamc@1131 2920 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 2921 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 2922 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 2923
adamc@1131 2924 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 2925 if (ctx->transactionals[i].free)
adam@1327 2926 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 2927
adamc@1144 2928 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 2929 }
adamc@1131 2930
adamc@671 2931 void uw_commit(uw_context ctx) {
adamc@1104 2932 int i;
adamc@1104 2933
adamc@1131 2934 if (uw_has_error(ctx)) {
adam@1327 2935 uw_rollback(ctx, 0);
adamc@1131 2936 return;
adamc@1131 2937 }
adamc@1131 2938
adamc@1104 2939 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 2940 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 2941 if (ctx->transactionals[i].commit) {
adamc@1083 2942 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 2943 if (uw_has_error(ctx)) {
adam@1327 2944 uw_rollback(ctx, 0);
adamc@1131 2945 return;
adamc@1131 2946 }
adamc@1131 2947 }
adamc@771 2948
adamc@1104 2949 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 2950 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 2951 if (ctx->transactionals[i].commit) {
adamc@1083 2952 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 2953 if (uw_has_error(ctx)) {
adam@1327 2954 uw_rollback(ctx, 0);
adamc@1131 2955 return;
adamc@1131 2956 }
adamc@1131 2957 }
adamc@1131 2958
adamc@1131 2959 if (ctx->app->db_commit(ctx)) {
adamc@1131 2960 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 2961 return;
adamc@1131 2962 }
adamc@682 2963
adamc@682 2964 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 2965 delta *d = &ctx->deltas[i];
adamc@682 2966 client *c = find_client(d->client);
adamc@682 2967
adamc@682 2968 assert (c != NULL && c->mode == USED);
adamc@682 2969
adamc@685 2970 client_send(c, &d->msgs);
adamc@682 2971 }
adamc@682 2972
adamc@682 2973 if (ctx->client)
adamc@685 2974 release_client(ctx->client);
adamc@771 2975
adamc@1104 2976 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 2977 if (ctx->transactionals[i].free)
adam@1327 2978 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 2979
adamc@916 2980 // Splice script data into appropriate part of page
adamc@1065 2981 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 2982 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 2983 if (start) {
adamc@995 2984 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 2985 ctx->page.front -= 4;
adamc@995 2986 }
adamc@995 2987 } else if (buf_used(&ctx->script) == 0) {
adamc@916 2988 size_t len = strlen(ctx->script_header);
adamc@916 2989 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2990 if (start) {
adamc@1113 2991 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 2992 start = strstr(ctx->page.start, "<sc>");
adamc@916 2993 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2994 ctx->page.front += len - 4;
adamc@916 2995 memcpy(start, ctx->script_header, len);
adamc@916 2996 }
adamc@916 2997 } else {
adamc@916 2998 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 2999 size_t lenP = lenH + 40 + len;
adamc@916 3000 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3001 if (start) {
adamc@1113 3002 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 3003 start = strstr(ctx->page.start, "<sc>");
adamc@916 3004 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3005 ctx->page.front += lenP - 4;
adamc@916 3006 memcpy(start, ctx->script_header, lenH);
adamc@916 3007 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3008 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3009 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3010 }
adamc@916 3011 }
adamc@671 3012 }
adamc@671 3013
adamc@683 3014
adamc@1113 3015 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3016
adamc@771 3017 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3018 uw_callback_with_retry free) {
adamc@771 3019 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3020 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3021 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3022 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3023 ++ctx->n_transactionals;
adamc@771 3024 }
adamc@771 3025
adamc@771 3026 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3027 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3028 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3029 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3030 }
adamc@771 3031
adamc@683 3032
adamc@683 3033 // "Garbage collection"
adamc@683 3034
adamc@1121 3035 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3036 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3037
adamc@1121 3038 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3039 int r = setjmp(ctx->jmp_buf);
adamc@683 3040
adamc@1121 3041 if (r == 0)
adamc@1121 3042 uw_do_expunge(ctx, cli, data);
adamc@1121 3043 else
adamc@1121 3044 ctx->app->db_rollback(ctx);
adamc@1121 3045
adamc@1121 3046 uw_post_expunge(ctx, data);
adamc@683 3047
adamc@683 3048 return r;
adamc@683 3049 }
adamc@683 3050
adamc@683 3051 void uw_prune_clients(uw_context ctx) {
adamc@683 3052 client *c, *next, *prev = NULL;
adamc@683 3053 time_t cutoff;
adamc@683 3054
adamc@1094 3055 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3056
adamc@683 3057 pthread_mutex_lock(&clients_mutex);
adamc@683 3058
adamc@683 3059 for (c = clients_used; c; c = next) {
adamc@683 3060 next = c->next;
adamc@683 3061 pthread_mutex_lock(&c->lock);
adamc@685 3062 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3063 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3064 if (prev)
adamc@683 3065 prev->next = next;
adamc@683 3066 else
adamc@683 3067 clients_used = next;
adamc@684 3068 uw_reset(ctx);
adamc@683 3069 while (fk == UNLIMITED_RETRY) {
adamc@1121 3070 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3071 if (fk == UNLIMITED_RETRY)
adamc@684 3072 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3073 }
adamc@684 3074 if (fk == SUCCESS)
adamc@684 3075 free_client(c);
adamc@1121 3076 else
adamc@856 3077 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3078 }
adamc@683 3079 else
adamc@683 3080 prev = c;
adamc@683 3081 pthread_mutex_unlock(&c->lock);
adamc@683 3082 }
adamc@683 3083
adamc@683 3084 pthread_mutex_unlock(&clients_mutex);
adamc@683 3085 }
adamc@687 3086
adamc@687 3087 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3088 int r = setjmp(ctx->jmp_buf);
adamc@687 3089
adamc@687 3090 if (r == 0) {
adamc@1094 3091 if (ctx->app->db_begin(ctx))
adamc@687 3092 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3093 ctx->app->initializer(ctx);
adamc@1094 3094 if (ctx->app->db_commit(ctx))
adamc@687 3095 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3096 }
adamc@687 3097
adamc@687 3098 return r;
adamc@687 3099 }
adamc@717 3100
adamc@1065 3101 static int url_bad(uw_Basis_string s) {
adamc@1065 3102 for (; *s; ++s)
adamc@1153 3103 if (!isgraph((int)*s))
adamc@1065 3104 return 1;
adamc@1065 3105
adamc@1065 3106 return 0;
adamc@1065 3107 }
adamc@1065 3108
adamc@717 3109 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3110 if (url_bad(s))
adamc@1065 3111 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3112 if (ctx->app->check_url(s))
adamc@770 3113 return s;
adamc@770 3114 else
adamc@770 3115 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3116 }
adamc@734 3117
adamc@770 3118 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3119 if (url_bad(s))
adamc@1065 3120 return NULL;
adamc@1094 3121 if (ctx->app->check_url(s))
adamc@770 3122 return s;
adamc@770 3123 else
adamc@770 3124 return NULL;
adamc@770 3125 }
adamc@770 3126
adamc@770 3127 int mime_format(const char *s) {
adamc@770 3128 for (; *s; ++s)
adamc@1153 3129 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3130 return 0;
adamc@770 3131
adamc@770 3132 return 1;
adamc@770 3133 }
adamc@770 3134
adamc@741 3135 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3136 if (!mime_format(s))
adamc@770 3137 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3138
adamc@1094 3139 if (ctx->app->check_mime(s))
adamc@770 3140 return s;
adamc@770 3141 else
adamc@770 3142 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3143 }
adamc@770 3144
adamc@770 3145 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3146 if (!mime_format(s))
adamc@770 3147 return NULL;
adamc@770 3148
adamc@1094 3149 if (ctx->app->check_mime(s))
adamc@770 3150 return s;
adamc@770 3151 else
adamc@770 3152 return NULL;
adamc@741 3153 }
adamc@741 3154
adamc@734 3155 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3156 return s ? s : "";
adamc@734 3157 }
adamc@734 3158
adamc@734 3159 extern int uw_hash_blocksize;
adamc@734 3160
adamc@734 3161 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3162 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3163 int i;
adamc@734 3164
adamc@734 3165 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3166 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3167
adamc@734 3168 return r;
adamc@734 3169 }
adamc@734 3170
adamc@734 3171 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3172 return ctx->app->cookie_sig(ctx);
adamc@734 3173 }
adamc@737 3174
adamc@737 3175 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3176 return f.name;
adamc@737 3177 }
adamc@737 3178
adamc@740 3179 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3180 return f.type;
adamc@740 3181 }
adamc@740 3182
adamc@745 3183 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3184 return b.size;
adamc@745 3185 }
adamc@745 3186
adamc@1119 3187 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3188 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3189
adamc@1119 3190 return b;
adamc@1119 3191 }
adamc@1119 3192
adamc@737 3193 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3194 return f.data;
adamc@737 3195 }
adamc@741 3196
adamc@741 3197 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3198 cleanup *cl;
adamc@741 3199 int len;
adamc@741 3200
adamc@1065 3201 ctx->returning_indirectly = 1;
adamc@741 3202 buf_reset(&ctx->outHeaders);
adamc@741 3203 buf_reset(&ctx->page);
adamc@741 3204
adamc@856 3205 uw_write_header(ctx, on_success);
adamc@856 3206 uw_write_header(ctx, "Content-Type: ");
adamc@741 3207 uw_write_header(ctx, mimeType);
adamc@741 3208 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@1113 3209 ctx_buf_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3210 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3211 ctx->outHeaders.front += len;
adamc@1066 3212 uw_write_header(ctx, "\r\n");
adamc@741 3213
adamc@1113 3214 ctx_buf_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3215
adamc@741 3216 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3217 cl->func(cl->arg);
adamc@741 3218
adamc@741 3219 ctx->cleanup_front = ctx->cleanup;
adamc@741 3220
adamc@1065 3221 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3222 }
adamc@1065 3223
adamc@1065 3224 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3225 cleanup *cl;
adamc@1066 3226 char *s;
adamc@1065 3227
adamc@1065 3228 ctx->returning_indirectly = 1;
adamc@1066 3229 buf_reset(&ctx->page);
adamc@1113 3230 ctx_buf_check(ctx, "page", &ctx->page, buf_used(&ctx->outHeaders)+1);
adamc@1066 3231 memcpy(ctx->page.start, ctx->outHeaders.start, buf_used(&ctx->outHeaders));
adamc@1066 3232 ctx->page.start[buf_used(&ctx->outHeaders)] = 0;
adamc@1065 3233 buf_reset(&ctx->outHeaders);
adamc@1065 3234
adamc@1065 3235 uw_write_header(ctx, on_redirect);
adamc@1066 3236
adamc@1066 3237 s = strchr(ctx->page.start, '\n');
adamc@1066 3238 if (s) {
adamc@1066 3239 char *s2;
adamc@1134 3240 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3241 *s2 = 0;
adamc@1066 3242 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3243 uw_write_header(ctx, s);
adamc@1066 3244 uw_write_header(ctx, "\n");
adamc@1066 3245 }
adamc@1066 3246 }
adamc@1066 3247 }
adamc@1066 3248
adamc@1065 3249 uw_write_header(ctx, "Location: ");
adamc@1065 3250 uw_write_header(ctx, url);
adamc@1065 3251 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3252
adamc@1065 3253 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3254 cl->func(cl->arg);
adamc@1065 3255
adamc@1065 3256 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3257
adamc@1065 3258 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3259 }
adamc@874 3260
adamc@874 3261 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3262 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3263
adamc@874 3264 for (; *s; ++s) {
adamc@874 3265 if (s[0] == '\'') {
adamc@874 3266 *r++ = '\'';
adamc@874 3267 for (++s; *s; ++s) {
adamc@874 3268 if (s[0] == '\'') {
adamc@874 3269 *r++ = '\'';
adamc@874 3270 break;
adamc@874 3271 } else if (s[0] == '\\') {
adamc@874 3272 if (s[1] == '\\') {
adamc@874 3273 *r++ = '\\';
adamc@874 3274 *r++ = '\\';
adamc@874 3275 ++s;
adamc@874 3276 } else if (s[1] == '\'') {
adamc@874 3277 *r++ = '\\';
adamc@874 3278 *r++ = '\'';
adamc@874 3279 ++s;
adamc@874 3280 } else
adamc@874 3281 *r++ = '\'';
adamc@874 3282 } else
adamc@874 3283 *r++ = s[0];
adamc@874 3284 }
adamc@874 3285 if (*s == 0) break;
adamc@874 3286 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3287 ++s;
adamc@874 3288 else
adamc@874 3289 *r++ = s[0];
adamc@874 3290 }
adamc@874 3291
adamc@874 3292 return r;
adamc@874 3293 }
adamc@874 3294
adamc@922 3295 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3296 va_list ap;
adamc@922 3297 size_t len = 1;
adamc@922 3298 char *s, *r, *s2;
adamc@922 3299
adamc@922 3300 va_start(ap, ctx);
adamc@922 3301 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3302 len += strlen(s);
adamc@922 3303 va_end(ap);
adamc@922 3304
adamc@922 3305 r = uw_malloc(ctx, len);
adamc@922 3306 va_start(ap, ctx);
adamc@922 3307 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3308 while (*s)
adamc@922 3309 *s2++ = *s++;
adamc@922 3310 va_end(ap);
adamc@922 3311 *s2 = 0;
adamc@922 3312
adamc@922 3313 return r;
adamc@922 3314 }
adamc@1006 3315
adamc@1050 3316 const uw_Basis_time minTime = 0;
adamc@1050 3317
adamc@1006 3318 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006 3319 return time(NULL);
adamc@1006 3320 }
adamc@1061 3321
adamc@1138 3322 uw_Basis_time uw_Basis_minusSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adamc@1138 3323 return tm - n;
adamc@1138 3324 }
adamc@1138 3325
adamc@1061 3326 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3327 int i;
adamc@1061 3328
adamc@1061 3329 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3330 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3331 return ctx->globals[i].data;
adamc@1061 3332
adamc@1061 3333 return NULL;
adamc@1061 3334 }
adamc@1061 3335
adamc@1113 3336 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3337
adamc@1061 3338 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3339 int i;
adamc@1061 3340
adamc@1061 3341 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3342 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3343 if (ctx->globals[i].free)
adamc@1061 3344 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3345 ctx->globals[i].data = data;
adamc@1061 3346 ctx->globals[i].free = free;
adamc@1061 3347 return;
adamc@1061 3348 }
adamc@1089 3349
adamc@1113 3350 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3351 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3352
adamc@1061 3353 ++ctx->n_globals;
adamc@1061 3354 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3355 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3356 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3357 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3358 }
adamc@1061 3359
adamc@1061 3360 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3361 return !!isalnum((int)c);
adamc@1061 3362 }
adamc@1061 3363
adamc@1061 3364 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3365 return !!isalpha((int)c);
adamc@1061 3366 }
adamc@1061 3367
adamc@1061 3368 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3369 return !!isblank((int)c);
adamc@1061 3370 }
adamc@1061 3371
adamc@1061 3372 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3373 return !!iscntrl((int)c);
adamc@1061 3374 }
adamc@1061 3375
adamc@1061 3376 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3377 return !!isdigit((int)c);
adamc@1061 3378 }
adamc@1061 3379
adamc@1061 3380 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3381 return !!isgraph((int)c);
adamc@1061 3382 }
adamc@1061 3383
adamc@1061 3384 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3385 return !!islower((int)c);
adamc@1061 3386 }
adamc@1061 3387
adamc@1061 3388 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3389 return !!isprint((int)c);
adamc@1061 3390 }
adamc@1061 3391
adamc@1061 3392 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3393 return !!ispunct((int)c);
adamc@1061 3394 }
adamc@1061 3395
adamc@1061 3396 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3397 return !!isspace((int)c);
adamc@1061 3398 }
adamc@1063 3399
adamc@1061 3400 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3401 return !!isupper((int)c);
adamc@1061 3402 }
adamc@1061 3403
adamc@1061 3404 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3405 return !!isxdigit((int)c);
adamc@1061 3406 }
adamc@1061 3407
adamc@1061 3408 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3409 return tolower((int)c);
adamc@1061 3410 }
adamc@1061 3411
adamc@1061 3412 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3413 return toupper((int)c);
adamc@1061 3414 }
adamc@1066 3415
adamc@1128 3416 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3417 return (unsigned char)c;
adamc@1128 3418 }
adamc@1128 3419
adamc@1128 3420 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3421 return n;
adamc@1128 3422 }
adamc@1128 3423
adamc@1066 3424 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3425 return ctx->current_url;
adamc@1066 3426 }
adamc@1066 3427
adamc@1066 3428 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3429 ctx->current_url = s;
adamc@1066 3430 }
adamc@1114 3431
adamc@1114 3432 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3433 ctx->deadline = n;
adamc@1114 3434 }
adamc@1114 3435
adamc@1114 3436 void uw_check_deadline(uw_context ctx) {
adamc@1114 3437 if (uw_time > ctx->deadline)
adamc@1114 3438 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3439 }
adamc@1115 3440
adamc@1115 3441 size_t uw_database_max = SIZE_MAX;
adamc@1120 3442
adamc@1120 3443 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adamc@1120 3444 fprintf(stderr, "%s\n", s);
adamc@1120 3445
adamc@1120 3446 return uw_unit_v;
adamc@1120 3447 }
adamc@1250 3448
adamc@1250 3449 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3450 uw_Basis_int n = abs(rand());
adamc@1250 3451 return n;
adamc@1250 3452 }