annotate src/c/urweb.c @ 921:ae0110465421

Don't replace <sc> in blob returns; optimize more 'option' pattern matches; detect more opportunities for 'let' inlining
author Adam Chlipala <adamc@hcoop.net>
date Wed, 09 Sep 2009 08:00:45 -0400
parents 321a2d6feb40
children d6a71f19a3d8
rev   line source
adamc@741 1 #define _XOPEN_SOURCE 500
adamc@436 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@102 12
adamc@667 13 #include <pthread.h>
adamc@667 14
adamc@102 15 #include "types.h"
adamc@102 16
adamc@311 17 uw_unit uw_unit_v = {};
adamc@102 18
adamc@667 19
adamc@667 20 // Socket extras
adamc@667 21
adamc@863 22 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 23 while (len > 0) {
adamc@856 24 ssize_t n = send(sock, buf, len, 0);
adamc@856 25
adamc@856 26 if (n < 0)
adamc@856 27 return n;
adamc@856 28
adamc@856 29 buf += n;
adamc@856 30 len -= n;
adamc@856 31 }
adamc@856 32
adamc@856 33 return 0;
adamc@856 34 }
adamc@856 35
adamc@856 36 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 37 while (len > 0) {
adamc@856 38 ssize_t n = write(fd, buf, len);
adamc@667 39
adamc@667 40 if (n < 0)
adamc@667 41 return n;
adamc@667 42
adamc@667 43 buf += n;
adamc@667 44 len -= n;
adamc@667 45 }
adamc@667 46
adamc@667 47 return 0;
adamc@667 48 }
adamc@667 49
adamc@667 50
adamc@667 51 // Buffers
adamc@667 52
adamc@667 53 typedef struct {
adamc@667 54 char *start, *front, *back;
adamc@667 55 } buf;
adamc@667 56
adamc@667 57 static void buf_init(buf *b, size_t s) {
adamc@667 58 b->front = b->start = malloc(s);
adamc@667 59 b->back = b->front + s;
adamc@667 60 }
adamc@667 61
adamc@667 62 static void buf_free(buf *b) {
adamc@667 63 free(b->start);
adamc@667 64 }
adamc@667 65
adamc@667 66 static void buf_reset(buf *b) {
adamc@667 67 b->front = b->start;
adamc@667 68 }
adamc@667 69
adamc@667 70 static void buf_check(buf *b, size_t extra) {
adamc@667 71 if (b->back - b->front < extra) {
adamc@667 72 size_t desired = b->front - b->start + extra, next;
adamc@667 73 char *new_heap;
adamc@667 74
adamc@667 75 next = b->back - b->start;
adamc@667 76 if (next == 0)
adamc@667 77 next = 1;
adamc@667 78 for (; next < desired; next *= 2);
adamc@667 79
adamc@667 80 new_heap = realloc(b->start, next);
adamc@667 81 b->front = new_heap + (b->front - b->start);
adamc@667 82 b->back = new_heap + next;
adamc@667 83 b->start = new_heap;
adamc@667 84 }
adamc@667 85 }
adamc@667 86
adamc@667 87 static size_t buf_used(buf *b) {
adamc@667 88 return b->front - b->start;
adamc@667 89 }
adamc@667 90
adamc@667 91 static size_t buf_avail(buf *b) {
adamc@667 92 return b->back - b->start;
adamc@667 93 }
adamc@667 94
adamc@668 95 static void buf_append(buf *b, const char *s, size_t len) {
adamc@672 96 buf_check(b, len+1);
adamc@668 97 memcpy(b->front, s, len);
adamc@668 98 b->front += len;
adamc@672 99 *b->front = 0;
adamc@668 100 }
adamc@667 101
adamc@668 102
adamc@672 103 // Persistent state types
adamc@667 104
adamc@667 105 typedef enum { UNUSED, USED } usage;
adamc@667 106
adamc@667 107 typedef struct client {
adamc@682 108 unsigned id;
adamc@667 109 usage mode;
adamc@682 110 int pass;
adamc@682 111 struct client *next;
adamc@689 112 pthread_mutex_t lock, pull_lock;
adamc@682 113 buf msgs;
adamc@682 114 int sock;
adamc@863 115 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 116 int (*close)(int fd);
adamc@682 117 time_t last_contact;
adamc@682 118 unsigned n_channels;
adamc@685 119 unsigned refcount;
adamc@667 120 } client;
adamc@667 121
adamc@672 122
adamc@672 123 // Persistent client state
adamc@672 124
adamc@682 125 static client **clients, *clients_free, *clients_used;
adamc@682 126 static unsigned n_clients;
adamc@667 127
adamc@667 128 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 129
adamc@682 130 static client *new_client() {
adamc@667 131 client *c;
adamc@667 132
adamc@667 133 pthread_mutex_lock(&clients_mutex);
adamc@667 134
adamc@667 135 if (clients_free) {
adamc@667 136 c = clients_free;
adamc@682 137 clients_free = clients_free->next;
adamc@667 138 }
adamc@667 139 else {
adamc@667 140 ++n_clients;
adamc@667 141 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 142 c = malloc(sizeof(client));
adamc@667 143 c->id = n_clients-1;
adamc@682 144 pthread_mutex_init(&c->lock, NULL);
adamc@689 145 pthread_mutex_init(&c->pull_lock, NULL);
adamc@682 146 buf_init(&c->msgs, 0);
adamc@667 147 clients[n_clients-1] = c;
adamc@667 148 }
adamc@667 149
adamc@682 150 pthread_mutex_lock(&c->lock);
adamc@667 151 c->mode = USED;
adamc@682 152 c->pass = rand();
adamc@682 153 c->sock = -1;
adamc@682 154 c->last_contact = time(NULL);
adamc@682 155 buf_reset(&c->msgs);
adamc@682 156 c->n_channels = 0;
adamc@685 157 c->refcount = 0;
adamc@682 158 pthread_mutex_unlock(&c->lock);
adamc@682 159
adamc@682 160 c->next = clients_used;
adamc@682 161 clients_used = c;
adamc@667 162
adamc@667 163 pthread_mutex_unlock(&clients_mutex);
adamc@667 164
adamc@667 165 return c;
adamc@667 166 }
adamc@667 167
adamc@685 168 static void use_client(client *c) {
adamc@685 169 pthread_mutex_lock(&c->lock);
adamc@685 170 ++c->refcount;
adamc@685 171 pthread_mutex_unlock(&c->lock);
adamc@689 172 pthread_mutex_lock(&c->pull_lock);
adamc@685 173 }
adamc@685 174
adamc@685 175 static void release_client(client *c) {
adamc@689 176 pthread_mutex_unlock(&c->pull_lock);
adamc@685 177 pthread_mutex_lock(&c->lock);
adamc@685 178 --c->refcount;
adamc@685 179 pthread_mutex_unlock(&c->lock);
adamc@689 180
adamc@685 181 }
adamc@685 182
adamc@856 183 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 184
adamc@682 185 static client *find_client(unsigned id) {
adamc@667 186 client *c;
adamc@667 187
adamc@667 188 pthread_mutex_lock(&clients_mutex);
adamc@667 189
adamc@667 190 if (id >= n_clients) {
adamc@667 191 pthread_mutex_unlock(&clients_mutex);
adamc@668 192 return NULL;
adamc@667 193 }
adamc@667 194
adamc@667 195 c = clients[id];
adamc@667 196
adamc@668 197 pthread_mutex_unlock(&clients_mutex);
adamc@668 198 return c;
adamc@668 199 }
adamc@668 200
adamc@856 201 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@856 202
adamc@856 203 void uw_set_on_success(char *s) {
adamc@856 204 on_success = s;
adamc@856 205 }
adamc@856 206
adamc@863 207 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 208 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 209 int (*close)(int fd),
adamc@864 210 void *logger_data, uw_logger log_error) {
adamc@682 211 client *c = find_client(id);
adamc@668 212
adamc@668 213 if (c == NULL) {
adamc@667 214 close(sock);
adamc@864 215 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 216 return;
adamc@667 217 }
adamc@667 218
adamc@682 219 pthread_mutex_lock(&c->lock);
adamc@671 220
adamc@682 221 if (c->mode != USED) {
adamc@682 222 pthread_mutex_unlock(&c->lock);
adamc@667 223 close(sock);
adamc@864 224 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 225 return;
adamc@667 226 }
adamc@667 227
adamc@682 228 if (pass != c->pass) {
adamc@682 229 pthread_mutex_unlock(&c->lock);
adamc@682 230 close(sock);
adamc@864 231 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 232 return;
adamc@667 233 }
adamc@667 234
adamc@682 235 if (c->sock != -1) {
adamc@863 236 c->close(c->sock);
adamc@682 237 c->sock = -1;
adamc@682 238 }
adamc@667 239
adamc@682 240 c->last_contact = time(NULL);
adamc@682 241
adamc@682 242 if (buf_used(&c->msgs) > 0) {
adamc@863 243 send(sock, on_success, strlen(on_success));
adamc@863 244 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 245 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682 246 buf_reset(&c->msgs);
adamc@667 247 close(sock);
adamc@667 248 }
adamc@863 249 else {
adamc@682 250 c->sock = sock;
adamc@863 251 c->send = send;
adamc@863 252 c->close = close;
adamc@863 253 }
adamc@667 254
adamc@682 255 pthread_mutex_unlock(&c->lock);
adamc@667 256 }
adamc@667 257
adamc@682 258 static void free_client(client *c) {
adamc@682 259 c->mode = UNUSED;
adamc@682 260 c->pass = -1;
adamc@667 261
adamc@682 262 c->next = clients_free;
adamc@682 263 clients_free = c;
adamc@667 264 }
adamc@667 265
adamc@682 266 static uw_Basis_channel new_channel(client *c) {
adamc@682 267 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 268 return ch;
adamc@668 269 }
adamc@668 270
adamc@685 271 static void client_send(client *c, buf *msg) {
adamc@685 272 pthread_mutex_lock(&c->lock);
adamc@671 273
adamc@682 274 if (c->sock != -1) {
adamc@863 275 c->send(c->sock, on_success, strlen(on_success));
adamc@863 276 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 277 c->send(c->sock, msg->start, buf_used(msg));
adamc@863 278 c->close(c->sock);
adamc@682 279 c->sock = -1;
adamc@682 280 } else
adamc@682 281 buf_append(&c->msgs, msg->start, buf_used(msg));
adamc@671 282
adamc@685 283 pthread_mutex_unlock(&c->lock);
adamc@668 284 }
adamc@668 285
adamc@668 286
adamc@668 287 // Global entry points
adamc@668 288
adamc@866 289 extern void uw_client_init();
adamc@866 290
adamc@668 291 void uw_global_init() {
adamc@668 292 srand(time(NULL) ^ getpid());
adamc@668 293
adamc@668 294 clients = malloc(0);
adamc@866 295
adamc@866 296 uw_client_init();
adamc@668 297 }
adamc@668 298
adamc@668 299
adamc@667 300 // Single-request state
adamc@667 301
adamc@167 302 #define ERROR_BUF_LEN 1024
adamc@167 303
adamc@323 304 typedef struct regions {
adamc@323 305 struct regions *next;
adamc@323 306 } regions;
adamc@323 307
adamc@425 308 typedef struct {
adamc@425 309 void (*func)(void*);
adamc@425 310 void *arg;
adamc@425 311 } cleanup;
adamc@425 312
adamc@671 313 typedef struct {
adamc@682 314 unsigned client;
adamc@671 315 buf msgs;
adamc@682 316 } delta;
adamc@671 317
adamc@737 318 typedef enum {
adamc@759 319 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 320 } input_kind;
adamc@737 321
adamc@756 322 typedef struct input {
adamc@737 323 input_kind kind;
adamc@737 324 union {
adamc@737 325 char *normal;
adamc@739 326 uw_Basis_file file;
adamc@756 327 struct {
adamc@759 328 struct input *fields, *parent;
adamc@756 329 } subform;
adamc@759 330 struct {
adamc@759 331 struct input *entries, *parent;
adamc@759 332 } subforms;
adamc@759 333 struct {
adamc@759 334 struct input *fields, *next, *parent;
adamc@759 335 } entry;
adamc@737 336 } data;
adamc@737 337 } input;
adamc@737 338
adamc@771 339 typedef struct {
adamc@771 340 void *data;
adamc@771 341 uw_callback commit, rollback, free;
adamc@771 342 } transactional;
adamc@771 343
adamc@311 344 struct uw_context {
adamc@854 345 char *(*get_header)(void *, const char *);
adamc@854 346 void *get_header_data;
adamc@457 347
adamc@666 348 buf outHeaders, page, heap, script;
adamc@921 349 int returning_blob;
adamc@759 350 input *inputs, *subinputs, *cur_container;
adamc@756 351 size_t n_subinputs, used_subinputs;
adamc@167 352
adamc@565 353 int source_count;
adamc@562 354
adamc@272 355 void *db;
adamc@272 356
adamc@167 357 jmp_buf jmp_buf;
adamc@167 358
adamc@323 359 regions *regions;
adamc@323 360
adamc@425 361 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 362
adamc@667 363 const char *script_header, *url_prefix;
adamc@643 364
adamc@736 365 int needs_push, needs_sig;
adamc@693 366
adamc@682 367 size_t n_deltas, used_deltas;
adamc@682 368 delta *deltas;
adamc@671 369
adamc@673 370 int timeout;
adamc@673 371
adamc@682 372 client *client;
adamc@682 373
adamc@771 374 transactional *transactionals;
adamc@771 375 size_t n_transactionals, used_transactionals;
adamc@771 376
adamc@167 377 char error_message[ERROR_BUF_LEN];
adamc@117 378 };
adamc@117 379
adamc@683 380 extern int uw_inputs_len, uw_timeout;
adamc@144 381
adamc@687 382 uw_context uw_init() {
adamc@311 383 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 384
adamc@854 385 ctx->get_header = NULL;
adamc@854 386 ctx->get_header_data = NULL;
adamc@457 387
adamc@687 388 buf_init(&ctx->outHeaders, 0);
adamc@687 389 buf_init(&ctx->page, 0);
adamc@921 390 ctx->returning_blob = 0;
adamc@687 391 buf_init(&ctx->heap, 0);
adamc@698 392 buf_init(&ctx->script, 1);
adamc@667 393 ctx->script.start[0] = 0;
adamc@136 394
adamc@737 395 ctx->inputs = calloc(uw_inputs_len, sizeof(input));
adamc@759 396 ctx->cur_container = NULL;
adamc@756 397 ctx->subinputs = malloc(0);
adamc@756 398 ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 399
adamc@272 400 ctx->db = NULL;
adamc@272 401
adamc@323 402 ctx->regions = NULL;
adamc@323 403
adamc@425 404 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 405
adamc@643 406 ctx->script_header = "";
adamc@667 407 ctx->url_prefix = "/";
adamc@693 408 ctx->needs_push = 0;
adamc@736 409 ctx->needs_sig = 0;
adamc@643 410
adamc@167 411 ctx->error_message[0] = 0;
adamc@167 412
adamc@565 413 ctx->source_count = 0;
adamc@562 414
adamc@682 415 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 416 ctx->deltas = malloc(0);
adamc@671 417
adamc@673 418 ctx->timeout = uw_timeout;
adamc@673 419
adamc@700 420 ctx->client = NULL;
adamc@700 421
adamc@700 422 ctx->error_message[0] = 0;
adamc@700 423
adamc@771 424 ctx->transactionals = malloc(0);
adamc@771 425 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 426
adamc@117 427 return ctx;
adamc@106 428 }
adamc@106 429
adamc@311 430 void uw_set_db(uw_context ctx, void *db) {
adamc@272 431 ctx->db = db;
adamc@272 432 }
adamc@272 433
adamc@311 434 void *uw_get_db(uw_context ctx) {
adamc@272 435 return ctx->db;
adamc@272 436 }
adamc@272 437
adamc@311 438 void uw_free(uw_context ctx) {
adamc@671 439 size_t i;
adamc@671 440
adamc@666 441 buf_free(&ctx->outHeaders);
adamc@666 442 buf_free(&ctx->script);
adamc@666 443 buf_free(&ctx->page);
adamc@666 444 buf_free(&ctx->heap);
adamc@144 445 free(ctx->inputs);
adamc@756 446 free(ctx->subinputs);
adamc@425 447 free(ctx->cleanup);
adamc@771 448 free(ctx->transactionals);
adamc@671 449
adamc@682 450 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671 451 buf_free(&ctx->deltas[i].msgs);
adamc@671 452
adamc@136 453 free(ctx);
adamc@136 454 }
adamc@136 455
adamc@562 456 void uw_reset_keep_error_message(uw_context ctx) {
adamc@756 457 size_t i;
adamc@756 458
adamc@666 459 buf_reset(&ctx->outHeaders);
adamc@666 460 buf_reset(&ctx->script);
adamc@667 461 ctx->script.start[0] = 0;
adamc@666 462 buf_reset(&ctx->page);
adamc@921 463 ctx->returning_blob = 0;
adamc@666 464 buf_reset(&ctx->heap);
adamc@323 465 ctx->regions = NULL;
adamc@425 466 ctx->cleanup_front = ctx->cleanup;
adamc@565 467 ctx->source_count = 0;
adamc@682 468 ctx->used_deltas = 0;
adamc@682 469 ctx->client = NULL;
adamc@759 470 ctx->cur_container = NULL;
adamc@771 471 ctx->used_transactionals = 0;
adamc@167 472 }
adamc@167 473
adamc@562 474 void uw_reset_keep_request(uw_context ctx) {
adamc@562 475 uw_reset_keep_error_message(ctx);
adamc@562 476 ctx->error_message[0] = 0;
adamc@167 477 }
adamc@167 478
adamc@311 479 void uw_reset(uw_context ctx) {
adamc@311 480 uw_reset_keep_request(ctx);
adamc@737 481 memset(ctx->inputs, 0, uw_inputs_len * sizeof(input));
adamc@756 482 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 483 ctx->used_subinputs = 0;
adamc@144 484 }
adamc@144 485
adamc@311 486 void uw_db_init(uw_context);
adamc@311 487 void uw_handle(uw_context, char *);
adamc@167 488
adamc@311 489 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 490 int r = setjmp(ctx->jmp_buf);
adamc@272 491
adamc@272 492 if (r == 0)
adamc@311 493 uw_db_init(ctx);
adamc@272 494
adamc@272 495 return r;
adamc@272 496 }
adamc@272 497
adamc@854 498 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 499 ctx->get_header = get_header;
adamc@854 500 ctx->get_header_data = get_header_data;
adamc@742 501 }
adamc@742 502
adamc@671 503 int uw_db_begin(uw_context);
adamc@167 504
adamc@801 505 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 506 va_list ap;
adamc@801 507 va_start(ap, fmt);
adamc@801 508
adamc@801 509 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 510 }
adamc@801 511
adamc@311 512 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 513 cleanup *cl;
adamc@425 514
adamc@167 515 va_list ap;
adamc@167 516 va_start(ap, fmt);
adamc@167 517
adamc@167 518 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 519
adamc@425 520 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 521 cl->func(cl->arg);
adamc@425 522
adamc@425 523 ctx->cleanup_front = ctx->cleanup;
adamc@425 524
adamc@190 525 longjmp(ctx->jmp_buf, fk);
adamc@167 526 }
adamc@167 527
adamc@425 528 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 529 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 530 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 531 if (len == 0)
adamc@425 532 newLen = 1;
adamc@425 533 else
adamc@428 534 newLen = len * 2;
adamc@470 535 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 536 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 537 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 538 }
adamc@425 539
adamc@425 540 ctx->cleanup_front->func = func;
adamc@425 541 ctx->cleanup_front->arg = arg;
adamc@425 542 ++ctx->cleanup_front;
adamc@425 543 }
adamc@425 544
adamc@682 545 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 546 return ctx->get_header(ctx->get_header_data, h);
adamc@682 547 }
adamc@682 548
adamc@682 549 void uw_login(uw_context ctx) {
adamc@693 550 if (ctx->needs_push) {
adamc@682 551 char *id_s, *pass_s;
adamc@682 552
adamc@682 553 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 554 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 555 unsigned id = atoi(id_s);
adamc@682 556 int pass = atoi(pass_s);
adamc@682 557 client *c = find_client(id);
adamc@682 558
adamc@682 559 if (c == NULL)
adamc@682 560 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 561 else {
adamc@685 562 use_client(c);
adamc@682 563 ctx->client = c;
adamc@682 564
adamc@682 565 if (c->mode != USED)
adamc@682 566 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 567 if (c->pass != pass)
adamc@682 568 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 569 }
adamc@682 570 } else {
adamc@682 571 client *c = new_client();
adamc@685 572 use_client(c);
adamc@682 573 ctx->client = c;
adamc@864 574 }
adamc@682 575 }
adamc@682 576 }
adamc@682 577
adamc@671 578 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 579 int r = setjmp(ctx->jmp_buf);
adamc@671 580
adamc@671 581 if (r == 0) {
adamc@671 582 if (uw_db_begin(ctx))
adamc@671 583 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 584
adamc@671 585 uw_handle(ctx, path);
adamc@671 586 }
adamc@671 587
adamc@671 588 return r;
adamc@671 589 }
adamc@671 590
adamc@772 591 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 592 if (ctx->client == NULL)
adamc@682 593 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 594
adamc@682 595 return ctx->client->id;
adamc@682 596 }
adamc@682 597
adamc@425 598 void uw_pop_cleanup(uw_context ctx) {
adamc@425 599 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 600 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 601
adamc@425 602 --ctx->cleanup_front;
adamc@425 603 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 604 }
adamc@425 605
adamc@311 606 char *uw_error_message(uw_context ctx) {
adamc@167 607 return ctx->error_message;
adamc@167 608 }
adamc@167 609
adamc@737 610 extern int uw_input_num(const char*);
adamc@144 611
adamc@759 612 static input *INP(uw_context ctx) {
adamc@759 613 if (ctx->cur_container == NULL)
adamc@759 614 return ctx->inputs;
adamc@759 615 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 616 return ctx->cur_container->data.subform.fields;
adamc@759 617 else if (ctx->cur_container->kind == ENTRY)
adamc@759 618 return ctx->cur_container->data.entry.fields;
adamc@759 619 else
adamc@760 620 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 621 }
adamc@759 622
adamc@760 623 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 624 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 625 *ptr += new_start - old_start;
adamc@760 626 }
adamc@760 627
adamc@760 628 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 629 switch (x->kind) {
adamc@759 630 case SUBFORM:
adamc@760 631 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 632 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 633 break;
adamc@759 634 case SUBFORMS:
adamc@760 635 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 636 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 637 break;
adamc@759 638 case ENTRY:
adamc@760 639 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 640 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 641 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@759 642 }
adamc@759 643 }
adamc@759 644
adamc@759 645 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 646 size_t i;
adamc@759 647 input *r;
adamc@759 648
adamc@759 649 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@759 650 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 651 size_t offset = new_subinputs - ctx->subinputs;
adamc@759 652
adamc@760 653 if (ctx->subinputs != new_subinputs) {
adamc@760 654 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 655 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 656 for (i = 0; i < uw_inputs_len; ++i)
adamc@760 657 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 658
adamc@760 659 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 660
adamc@760 661 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 662 ctx->subinputs = new_subinputs;
adamc@760 663 }
adamc@759 664 }
adamc@759 665
adamc@759 666 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 667
adamc@759 668 for (i = 0; i < len; ++i)
adamc@759 669 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 670
adamc@759 671 return r;
adamc@759 672 }
adamc@756 673
adamc@801 674 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@756 675 if (!strcasecmp(name, ".b")) {
adamc@756 676 int n = uw_input_num(value);
adamc@756 677 input *inps;
adamc@756 678
adamc@801 679 if (n < 0) {
adamc@801 680 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 681 return -1;
adamc@801 682 }
adamc@801 683
adamc@801 684 if (n >= uw_inputs_len) {
adamc@801 685 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 686 return -1;
adamc@801 687 }
adamc@756 688
adamc@759 689 inps = check_input_space(ctx, uw_inputs_len);
adamc@759 690
adamc@759 691 INP(ctx)[n].kind = SUBFORM;
adamc@759 692 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 693 INP(ctx)[n].data.subform.fields = inps;
adamc@759 694 ctx->cur_container = &INP(ctx)[n];
adamc@756 695 } else if (!strcasecmp(name, ".e")) {
adamc@756 696 input *tmp;
adamc@756 697
adamc@801 698 if (ctx->cur_container == NULL) {
adamc@801 699 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 700 return -1;
adamc@801 701 }
adamc@756 702
adamc@759 703 tmp = ctx->cur_container;
adamc@759 704 switch (tmp->kind) {
adamc@759 705 case SUBFORM:
adamc@759 706 ctx->cur_container = tmp->data.subform.parent;
adamc@759 707 tmp->data.subform.parent = NULL;
adamc@759 708 break;
adamc@759 709 case SUBFORMS:
adamc@759 710 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 711 tmp->data.subforms.parent = NULL;
adamc@759 712 break;
adamc@759 713 case ENTRY:
adamc@759 714 ctx->cur_container = tmp->data.entry.parent;
adamc@759 715 break;
adamc@759 716 default:
adamc@801 717 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 718 return -1;
adamc@759 719 }
adamc@759 720 } else if (!strcasecmp(name, ".s")) {
adamc@759 721 int n = uw_input_num(value);
adamc@759 722
adamc@801 723 if (n < 0) {
adamc@801 724 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 725 return -1;
adamc@801 726 }
adamc@801 727
adamc@801 728 if (n >= uw_inputs_len) {
adamc@801 729 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 730 return -1;
adamc@801 731 }
adamc@759 732
adamc@759 733 INP(ctx)[n].kind = SUBFORMS;
adamc@759 734 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 735 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 736 ctx->cur_container = &INP(ctx)[n];
adamc@759 737 } else if (!strcasecmp(name, ".i")) {
adamc@759 738 input *inps;
adamc@759 739
adamc@801 740 if (!ctx->cur_container) {
adamc@801 741 uw_set_error(ctx, "New entry without container");
adamc@801 742 return -1;
adamc@801 743 }
adamc@801 744
adamc@801 745 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 746 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 747 return -1;
adamc@801 748 }
adamc@759 749
adamc@759 750 inps = check_input_space(ctx, uw_inputs_len + 1);
adamc@759 751
adamc@759 752 inps->kind = ENTRY;
adamc@759 753 inps->data.entry.parent = ctx->cur_container;
adamc@759 754 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 755 ctx->cur_container->data.subforms.entries = inps;
adamc@759 756
adamc@759 757 inps->data.entry.fields = inps+1;
adamc@759 758 ctx->cur_container = inps;
adamc@756 759 } else {
adamc@756 760 int n = uw_input_num(name);
adamc@756 761
adamc@801 762 if (n < 0) {
adamc@801 763 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 764 return -1;
adamc@801 765 }
adamc@801 766
adamc@801 767 if (n >= uw_inputs_len) {
adamc@801 768 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 769 return -1;
adamc@801 770 }
adamc@756 771
adamc@756 772 INP(ctx)[n].kind = NORMAL;
adamc@756 773 INP(ctx)[n].data.normal = value;
adamc@756 774 }
adamc@801 775
adamc@801 776 return 0;
adamc@144 777 }
adamc@144 778
adamc@311 779 char *uw_get_input(uw_context ctx, int n) {
adamc@169 780 if (n < 0)
adamc@311 781 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 782 if (n >= uw_inputs_len)
adamc@311 783 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 784
adamc@756 785 switch (INP(ctx)[n].kind) {
adamc@737 786 case UNSET:
adamc@737 787 return NULL;
adamc@739 788 case FIL:
adamc@739 789 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 790 case SUBFORM:
adamc@756 791 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 792 case SUBFORMS:
adamc@759 793 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 794 case ENTRY:
adamc@759 795 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 796 case NORMAL:
adamc@756 797 return INP(ctx)[n].data.normal;
adamc@737 798 default:
adamc@737 799 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 800 }
adamc@138 801 }
adamc@138 802
adamc@311 803 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 804 if (n < 0)
adamc@311 805 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 806 if (n >= uw_inputs_len)
adamc@311 807 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 808
adamc@756 809 switch (INP(ctx)[n].kind) {
adamc@737 810 case UNSET:
adamc@737 811 return "";
adamc@739 812 case FIL:
adamc@739 813 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 814 case SUBFORM:
adamc@756 815 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 816 case SUBFORMS:
adamc@759 817 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 818 case ENTRY:
adamc@759 819 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 820 case NORMAL:
adamc@756 821 return INP(ctx)[n].data.normal;
adamc@737 822 default:
adamc@737 823 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 824 }
adamc@737 825 }
adamc@737 826
adamc@801 827 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@737 828 int n = uw_input_num(name);
adamc@737 829
adamc@801 830 if (n < 0) {
adamc@801 831 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 832 return -1;
adamc@801 833 }
adamc@801 834
adamc@801 835 if (n >= uw_inputs_len) {
adamc@801 836 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 837 return -1;
adamc@801 838 }
adamc@737 839
adamc@739 840 ctx->inputs[n].kind = FIL;
adamc@739 841 ctx->inputs[n].data.file = f;
adamc@801 842
adamc@801 843 return 0;
adamc@737 844 }
adamc@737 845
adamc@739 846 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 847
adamc@760 848
adamc@760 849 static void parents(input *inp) {
adamc@760 850 printf("Stack: %p\n", inp);
adamc@760 851 while (inp) {
adamc@760 852 switch (inp->kind) {
adamc@760 853 case NORMAL:
adamc@760 854 printf("Normal(%p)\n", inp);
adamc@760 855 break;
adamc@760 856 case FIL:
adamc@760 857 printf("File(%p)\n", inp);
adamc@760 858 break;
adamc@760 859 case SUBFORM:
adamc@760 860 printf("Subform; fields = %p\n", inp->data.subform.fields);
adamc@760 861 inp = inp->data.subform.parent;
adamc@760 862 break;
adamc@760 863 case SUBFORMS:
adamc@760 864 printf("Subforms; entries = %p\n", inp->data.subforms.entries);
adamc@760 865 inp = inp->data.subforms.parent;
adamc@760 866 break;
adamc@760 867 case ENTRY:
adamc@760 868 printf("Entry; fields = %p; next = %p\n", inp->data.entry.fields, inp->data.entry.next);
adamc@760 869 inp = inp->data.entry.parent;
adamc@760 870 break;
adamc@760 871 default:
adamc@760 872 inp = NULL;
adamc@760 873 }
adamc@760 874 }
adamc@760 875 }
adamc@760 876
adamc@739 877 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 878 if (n < 0)
adamc@737 879 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@737 880 if (n >= uw_inputs_len)
adamc@737 881 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 882
adamc@756 883 switch (INP(ctx)[n].kind) {
adamc@737 884 case UNSET:
adamc@737 885 {
adamc@739 886 char *data = uw_malloc(ctx, 0);
adamc@740 887 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 888 return f;
adamc@737 889 }
adamc@739 890 case FIL:
adamc@756 891 return INP(ctx)[n].data.file;
adamc@737 892 case NORMAL:
adamc@737 893 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 894 case SUBFORM:
adamc@756 895 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 896 case SUBFORMS:
adamc@759 897 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 898 case ENTRY:
adamc@759 899 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 900 default:
adamc@737 901 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 902 }
adamc@190 903 }
adamc@190 904
adamc@756 905 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 906 if (n < 0)
adamc@756 907 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@756 908 if (n >= uw_inputs_len)
adamc@756 909 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 910
adamc@756 911 switch (INP(ctx)[n].kind) {
adamc@756 912 case UNSET:
adamc@756 913 uw_error(ctx, FATAL, "Missing subform");
adamc@756 914 case FIL:
adamc@756 915 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 916 case NORMAL:
adamc@756 917 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 918 case SUBFORMS:
adamc@759 919 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 920 case ENTRY:
adamc@759 921 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 922 case SUBFORM:
adamc@759 923 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 924 ctx->cur_container = &INP(ctx)[n];
adamc@756 925 return;
adamc@756 926 default:
adamc@756 927 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 928 }
adamc@756 929 }
adamc@756 930
adamc@756 931 void uw_leave_subform(uw_context ctx) {
adamc@756 932 input *tmp;
adamc@756 933
adamc@759 934 if (ctx->cur_container == NULL)
adamc@756 935 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 936
adamc@759 937 tmp = ctx->cur_container;
adamc@759 938 ctx->cur_container = tmp->data.subform.parent;
adamc@759 939 tmp->data.subform.parent = NULL;
adamc@759 940 }
adamc@759 941
adamc@759 942 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 943 input *inps;
adamc@759 944
adamc@759 945 if (n < 0)
adamc@759 946 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@759 947 if (n >= uw_inputs_len)
adamc@759 948 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 949
adamc@759 950 switch (INP(ctx)[n].kind) {
adamc@759 951 case UNSET:
adamc@759 952 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 953 case FIL:
adamc@759 954 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 955 case NORMAL:
adamc@759 956 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 957 case SUBFORM:
adamc@759 958 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 959 case ENTRY:
adamc@759 960 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 961 case SUBFORMS:
adamc@759 962 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 963 if (inps) {
adamc@759 964 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 965 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 966 return 1;
adamc@759 967 } else
adamc@759 968 return 0;
adamc@759 969 default:
adamc@759 970 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 971 }
adamc@759 972 }
adamc@759 973
adamc@759 974 int uw_next_entry(uw_context ctx) {
adamc@759 975 if (ctx->cur_container == NULL)
adamc@759 976 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 977
adamc@759 978 switch (ctx->cur_container->kind) {
adamc@759 979 case UNSET:
adamc@759 980 uw_error(ctx, FATAL, "Missing entry");
adamc@759 981 case FIL:
adamc@759 982 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 983 case NORMAL:
adamc@759 984 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 985 case SUBFORM:
adamc@759 986 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 987 case SUBFORMS:
adamc@759 988 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 989 case ENTRY:
adamc@759 990 if (ctx->cur_container->data.entry.next) {
adamc@759 991 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 992 return 1;
adamc@759 993 } else {
adamc@759 994 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 995 return 0;
adamc@759 996 }
adamc@759 997 default:
adamc@759 998 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 999 }
adamc@756 1000 }
adamc@756 1001
adamc@643 1002 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1003 ctx->script_header = s;
adamc@643 1004 }
adamc@643 1005
adamc@667 1006 void uw_set_url_prefix(uw_context ctx, const char *s) {
adamc@667 1007 ctx->url_prefix = s;
adamc@667 1008 }
adamc@667 1009
adamc@693 1010 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1011 ctx->needs_push = n;
adamc@693 1012 }
adamc@693 1013
adamc@736 1014 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1015 ctx->needs_sig = n;
adamc@736 1016 }
adamc@736 1017
adamc@667 1018
adamc@667 1019 static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc) {
adamc@666 1020 if (b->back - b->front < extra) {
adamc@666 1021 size_t desired = b->front - b->start + extra, next;
adamc@136 1022 char *new_heap;
adamc@136 1023
adamc@666 1024 next = b->back - b->start;
adamc@317 1025 if (next == 0)
adamc@317 1026 next = 1;
adamc@317 1027 for (; next < desired; next *= 2);
adamc@136 1028
adamc@666 1029 new_heap = realloc(b->start, next);
adamc@666 1030 b->front = new_heap + (b->front - b->start);
adamc@666 1031 b->back = new_heap + next;
adamc@136 1032
adamc@667 1033 if (new_heap != b->start) {
adamc@666 1034 b->start = new_heap;
adamc@666 1035 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1036 }
adamc@136 1037
adamc@666 1038 b->start = new_heap;
adamc@136 1039 }
adamc@136 1040 }
adamc@136 1041
adamc@832 1042 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@667 1043 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
adamc@666 1044 }
adamc@666 1045
adamc@832 1046 char *uw_heap_front(uw_context ctx) {
adamc@832 1047 return ctx->heap.front;
adamc@832 1048 }
adamc@832 1049
adamc@832 1050 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1051 ctx->heap.front = fr;
adamc@832 1052 }
adamc@832 1053
adamc@311 1054 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1055 void *result;
adamc@136 1056
adamc@311 1057 uw_check_heap(ctx, len);
adamc@136 1058
adamc@666 1059 result = ctx->heap.front;
adamc@666 1060 ctx->heap.front += len;
adamc@136 1061 return result;
adamc@117 1062 }
adamc@117 1063
adamc@323 1064 void uw_begin_region(uw_context ctx) {
adamc@666 1065 regions *r = (regions *) ctx->heap.front;
adamc@323 1066
adamc@323 1067 uw_check_heap(ctx, sizeof(regions));
adamc@323 1068
adamc@666 1069 ctx->heap.front += sizeof(regions);
adamc@323 1070
adamc@323 1071 r->next = ctx->regions;
adamc@323 1072 ctx->regions = r;
adamc@323 1073 }
adamc@323 1074
adamc@323 1075 void uw_end_region(uw_context ctx) {
adamc@323 1076 regions *r = ctx->regions;
adamc@323 1077
adamc@323 1078 if (r == NULL)
adamc@323 1079 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1080
adamc@666 1081 ctx->heap.front = (char *) r;
adamc@323 1082 ctx->regions = r->next;
adamc@323 1083 }
adamc@323 1084
adamc@324 1085 void uw_memstats(uw_context ctx) {
adamc@666 1086 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
adamc@666 1087 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
adamc@666 1088 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
adamc@666 1089 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
adamc@324 1090 }
adamc@324 1091
adamc@311 1092 int uw_send(uw_context ctx, int sock) {
adamc@666 1093 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1094
adamc@462 1095 if (n < 0)
adamc@462 1096 return n;
adamc@462 1097
adamc@462 1098 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1099
adamc@462 1100 if (n < 0)
adamc@462 1101 return n;
adamc@462 1102
adamc@666 1103 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1104 }
adamc@462 1105
adamc@856 1106 int uw_print(uw_context ctx, int fd) {
adamc@856 1107 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1108
adamc@856 1109 if (n < 0)
adamc@856 1110 return n;
adamc@856 1111
adamc@856 1112 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1113
adamc@856 1114 if (n < 0)
adamc@856 1115 return n;
adamc@856 1116
adamc@856 1117 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1118 }
adamc@856 1119
adamc@860 1120 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1121 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1122
adamc@860 1123 if (n < 0)
adamc@860 1124 return n;
adamc@860 1125
adamc@860 1126 n = output(data, "\r\n", 2);
adamc@860 1127
adamc@860 1128 if (n < 0)
adamc@860 1129 return n;
adamc@860 1130
adamc@860 1131 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1132 }
adamc@860 1133
adamc@462 1134 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@667 1135 buf_check(&ctx->outHeaders, extra);
adamc@462 1136 }
adamc@462 1137
adamc@462 1138 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1139 int len = strlen(s);
adamc@462 1140
adamc@462 1141 uw_check_headers(ctx, len + 1);
adamc@666 1142 strcpy(ctx->outHeaders.front, s);
adamc@666 1143 ctx->outHeaders.front += len;
adamc@562 1144 }
adamc@562 1145
adamc@562 1146 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@667 1147 buf_check(&ctx->script, extra);
adamc@562 1148 }
adamc@562 1149
adamc@562 1150 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1151 int len = strlen(s);
adamc@562 1152
adamc@562 1153 uw_check_script(ctx, len + 1);
adamc@666 1154 strcpy(ctx->script.front, s);
adamc@666 1155 ctx->script.front += len;
adamc@562 1156 }
adamc@562 1157
adamc@645 1158 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1159 return "<sc>";
adamc@565 1160 }
adamc@565 1161
adamc@695 1162 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1163 if (s[0] == 0)
adamc@695 1164 return "";
adamc@695 1165 else {
adamc@695 1166 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1167 sprintf(r, " onload='%s'", s);
adamc@695 1168 return r;
adamc@695 1169 }
adamc@695 1170 }
adamc@695 1171
adamc@736 1172 extern uw_Basis_string uw_cookie_sig(uw_context);
adamc@736 1173
adamc@694 1174 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1175 if (ctx->client == NULL) {
adamc@736 1176 if (ctx->needs_sig) {
adamc@736 1177 char *sig = uw_cookie_sig(ctx);
adamc@736 1178 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1179 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1180 return r;
adamc@736 1181 }
adamc@736 1182 else
adamc@736 1183 return "";
adamc@736 1184 } else {
adamc@736 1185 char *sig = ctx->needs_sig ? uw_cookie_sig(ctx) : "";
adamc@736 1186 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->url_prefix)
adamc@736 1187 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1188 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1189 ctx->client->id,
adamc@682 1190 ctx->client->pass,
adamc@679 1191 ctx->url_prefix,
adamc@736 1192 ctx->timeout,
adamc@736 1193 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1194 sig,
adamc@736 1195 ctx->needs_sig ? "\";" : "");
adamc@679 1196 return r;
adamc@668 1197 }
adamc@667 1198 }
adamc@667 1199
adamc@574 1200 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1201 char *r, *s2;
adamc@574 1202
adamc@574 1203 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1204
adamc@666 1205 r = s2 = ctx->heap.front;
adamc@574 1206 *s2++ = '"';
adamc@574 1207
adamc@574 1208 for (; *s; s++) {
adamc@574 1209 char c = *s;
adamc@574 1210
adamc@574 1211 switch (c) {
adamc@574 1212 case '"':
adamc@574 1213 strcpy(s2, "\\\"");
adamc@574 1214 s2 += 2;
adamc@574 1215 break;
adamc@574 1216 case '\\':
adamc@574 1217 strcpy(s2, "\\\\");
adamc@574 1218 s2 += 2;
adamc@574 1219 break;
adamc@574 1220 default:
adamc@574 1221 if (isprint(c))
adamc@574 1222 *s2++ = c;
adamc@574 1223 else {
adamc@574 1224 sprintf(s2, "\\%3o", c);
adamc@574 1225 s2 += 4;
adamc@574 1226 }
adamc@574 1227 }
adamc@574 1228 }
adamc@574 1229
adamc@574 1230 strcpy(s2, "\"");
adamc@910 1231 ctx->heap.front = s2 + 2;
adamc@574 1232 return r;
adamc@574 1233 }
adamc@574 1234
adamc@574 1235 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1236 char *r, *s2;
adamc@574 1237
adamc@574 1238 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1239
adamc@666 1240 r = s2 = ctx->script.front;
adamc@574 1241 *s2++ = '"';
adamc@574 1242
adamc@574 1243 for (; *s; s++) {
adamc@574 1244 char c = *s;
adamc@574 1245
adamc@574 1246 switch (c) {
adamc@577 1247 case '\'':
adamc@574 1248 strcpy(s2, "\\\"");
adamc@574 1249 s2 += 2;
adamc@574 1250 break;
adamc@574 1251 case '\\':
adamc@574 1252 strcpy(s2, "\\\\");
adamc@574 1253 s2 += 2;
adamc@574 1254 break;
adamc@574 1255 default:
adamc@574 1256 if (isprint(c))
adamc@574 1257 *s2++ = c;
adamc@574 1258 else {
adamc@574 1259 sprintf(s2, "\\%3o", c);
adamc@574 1260 s2 += 4;
adamc@574 1261 }
adamc@574 1262 }
adamc@574 1263 }
adamc@574 1264
adamc@574 1265 strcpy(s2, "\"");
adamc@666 1266 ctx->script.front = s2 + 1;
adamc@574 1267 return r;
adamc@574 1268 }
adamc@574 1269
adamc@682 1270 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1271 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1272 return "null";
adamc@682 1273 else {
adamc@682 1274 int len;
adamc@682 1275 char *r;
adamc@682 1276
adamc@682 1277 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1278 r = ctx->heap.front;
adamc@682 1279 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1280 ctx->heap.front += len+1;
adamc@682 1281 return r;
adamc@682 1282 }
adamc@682 1283 }
adamc@682 1284
adamc@577 1285 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1286 int len;
adamc@577 1287 size_t s_len = strlen(s);
adamc@562 1288
adamc@577 1289 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@666 1290 sprintf(ctx->script.front, "var s%d=sc(%n", ctx->source_count, &len);
adamc@666 1291 ctx->script.front += len;
adamc@666 1292 strcpy(ctx->script.front, s);
adamc@666 1293 ctx->script.front += s_len;
adamc@666 1294 strcpy(ctx->script.front, ");");
adamc@666 1295 ctx->script.front += 2;
adamc@562 1296
adamc@565 1297 return ctx->source_count++;
adamc@117 1298 }
adamc@117 1299
adamc@577 1300 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1301 int len;
adamc@577 1302 size_t s_len = strlen(s);
adamc@577 1303
adamc@577 1304 uw_check_script(ctx, 6 + INTS_MAX + s_len);
adamc@844 1305 sprintf(ctx->script.front, "sv(s%d,%n", (int)n, &len);
adamc@666 1306 ctx->script.front += len;
adamc@666 1307 strcpy(ctx->script.front, s);
adamc@666 1308 ctx->script.front += s_len;
adamc@844 1309 strcpy(ctx->script.front, ");");
adamc@844 1310 ctx->script.front += 2;
adamc@577 1311
adamc@577 1312 return uw_unit_v;
adamc@577 1313 }
adamc@577 1314
adamc@311 1315 static void uw_check(uw_context ctx, size_t extra) {
adamc@667 1316 buf_check(&ctx->page, extra);
adamc@117 1317 }
adamc@117 1318
adamc@311 1319 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1320 *(ctx->page.front)++ = c;
adamc@117 1321 }
adamc@117 1322
adamc@311 1323 void uw_writec(uw_context ctx, char c) {
adamc@311 1324 uw_check(ctx, 1);
adamc@311 1325 uw_writec_unsafe(ctx, c);
adamc@117 1326 }
adamc@117 1327
adamc@311 1328 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1329 int len = strlen(s);
adamc@666 1330 memcpy(ctx->page.front, s, len);
adamc@666 1331 ctx->page.front += len;
adamc@117 1332 }
adamc@117 1333
adamc@311 1334 void uw_write(uw_context ctx, const char* s) {
adamc@311 1335 uw_check(ctx, strlen(s) + 1);
adamc@311 1336 uw_write_unsafe(ctx, s);
adamc@666 1337 *ctx->page.front = 0;
adamc@102 1338 }
adamc@106 1339
adamc@311 1340 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1341 char *result;
adamc@136 1342 int len;
adamc@311 1343 uw_check_heap(ctx, INTS_MAX);
adamc@666 1344 result = ctx->heap.front;
adamc@276 1345 sprintf(result, "%lld%n", n, &len);
adamc@666 1346 ctx->heap.front += len+1;
adamc@136 1347 return result;
adamc@106 1348 }
adamc@106 1349
adamc@311 1350 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1351 char *result;
adamc@136 1352 int len;
adamc@311 1353 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1354 result = ctx->heap.front;
adamc@136 1355 sprintf(result, "%g%n", n, &len);
adamc@666 1356 ctx->heap.front += len+1;
adamc@136 1357 return result;
adamc@106 1358 }
adamc@106 1359
adamc@311 1360 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1361 int len = strlen(s);
adamc@136 1362 char *result, *p;
adamc@311 1363 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1364
adamc@666 1365 result = p = ctx->heap.front;
adamc@136 1366
adamc@136 1367 for (; *s; s++) {
adamc@136 1368 char c = *s;
adamc@136 1369
adamc@136 1370 if (c == '"') {
adamc@136 1371 strcpy(p, "&quot;");
adamc@136 1372 p += 6;
adamc@136 1373 } else if (c == '&') {
adamc@136 1374 strcpy(p, "&amp;");
adamc@136 1375 p += 5;
adamc@136 1376 }
adamc@136 1377 else if (isprint(c))
adamc@136 1378 *p++ = c;
adamc@136 1379 else {
adamc@136 1380 int len2;
adamc@136 1381 sprintf(p, "&#%d;%n", c, &len2);
adamc@136 1382 p += len2;
adamc@136 1383 }
adamc@136 1384 }
adamc@136 1385
adamc@137 1386 *p++ = 0;
adamc@666 1387 ctx->heap.front = p;
adamc@136 1388 return result;
adamc@106 1389 }
adamc@106 1390
adamc@721 1391 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1392 return s;
adamc@721 1393 }
adamc@721 1394
adamc@311 1395 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1396 int len;
adamc@117 1397
adamc@666 1398 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1399 ctx->page.front += len;
adamc@106 1400 }
adamc@106 1401
adamc@428 1402 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1403 uw_check(ctx, INTS_MAX);
adamc@311 1404 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1405
adamc@428 1406 return uw_unit_v;
adamc@106 1407 }
adamc@106 1408
adamc@428 1409 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1410 int len;
adamc@117 1411
adamc@311 1412 uw_check(ctx, FLOATS_MAX);
adamc@666 1413 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1414 ctx->page.front += len;
adamc@428 1415
adamc@428 1416 return uw_unit_v;
adamc@117 1417 }
adamc@117 1418
adamc@428 1419 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1420 uw_check(ctx, strlen(s) * 6);
adamc@117 1421
adamc@106 1422 for (; *s; s++) {
adamc@106 1423 char c = *s;
adamc@106 1424
adamc@106 1425 if (c == '"')
adamc@311 1426 uw_write_unsafe(ctx, "&quot;");
adamc@136 1427 else if (c == '&')
adamc@311 1428 uw_write_unsafe(ctx, "&amp;");
adamc@106 1429 else if (isprint(c))
adamc@311 1430 uw_writec_unsafe(ctx, c);
adamc@106 1431 else {
adamc@311 1432 uw_write_unsafe(ctx, "&#");
adamc@311 1433 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 1434 uw_writec_unsafe(ctx, ';');
adamc@106 1435 }
adamc@106 1436 }
adamc@428 1437
adamc@428 1438 return uw_unit_v;
adamc@106 1439 }
adamc@120 1440
adamc@120 1441
adamc@311 1442 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1443 int len;
adamc@137 1444 char *r;
adamc@137 1445
adamc@311 1446 uw_check_heap(ctx, INTS_MAX);
adamc@666 1447 r = ctx->heap.front;
adamc@276 1448 sprintf(r, "%lld%n", n, &len);
adamc@666 1449 ctx->heap.front += len+1;
adamc@137 1450 return r;
adamc@120 1451 }
adamc@120 1452
adamc@682 1453 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1454 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1455 return "";
adamc@682 1456 else {
adamc@682 1457 int len;
adamc@682 1458 char *r;
adamc@679 1459
adamc@682 1460 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1461 r = ctx->heap.front;
adamc@682 1462 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1463 ctx->heap.front += len+1;
adamc@682 1464 return r;
adamc@682 1465 }
adamc@679 1466 }
adamc@679 1467
adamc@311 1468 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1469 int len;
adamc@137 1470 char *r;
adamc@137 1471
adamc@311 1472 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1473 r = ctx->heap.front;
adamc@137 1474 sprintf(r, "%g%n", n, &len);
adamc@666 1475 ctx->heap.front += len+1;
adamc@137 1476 return r;
adamc@120 1477 }
adamc@120 1478
adamc@311 1479 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1480 char *r, *p;
adamc@137 1481
adamc@311 1482 uw_check_heap(ctx, strlen(s) * 3 + 1);
adamc@137 1483
adamc@666 1484 for (r = p = ctx->heap.front; *s; s++) {
adamc@137 1485 char c = *s;
adamc@137 1486
adamc@137 1487 if (c == ' ')
adamc@137 1488 *p++ = '+';
adamc@137 1489 else if (isalnum(c))
adamc@137 1490 *p++ = c;
adamc@137 1491 else {
adamc@137 1492 sprintf(p, "%%%02X", c);
adamc@137 1493 p += 3;
adamc@137 1494 }
adamc@137 1495 }
adamc@137 1496
adamc@137 1497 *p++ = 0;
adamc@666 1498 ctx->heap.front = p;
adamc@137 1499 return r;
adamc@120 1500 }
adamc@120 1501
adamc@311 1502 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1503 if (b == uw_Basis_False)
adamc@186 1504 return "0";
adamc@186 1505 else
adamc@186 1506 return "1";
adamc@186 1507 }
adamc@186 1508
adamc@311 1509 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1510 int len;
adamc@120 1511
adamc@666 1512 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1513 ctx->page.front += len;
adamc@120 1514 }
adamc@120 1515
adamc@428 1516 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1517 uw_check(ctx, INTS_MAX);
adamc@311 1518 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1519
adamc@428 1520 return uw_unit_v;
adamc@120 1521 }
adamc@120 1522
adamc@682 1523 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1524 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1525 int len;
adamc@682 1526
adamc@682 1527 uw_check(ctx, INTS_MAX + 1);
adamc@682 1528 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1529 ctx->page.front += len;
adamc@682 1530 }
adamc@682 1531
adamc@679 1532 return uw_unit_v;
adamc@679 1533 }
adamc@679 1534
adamc@428 1535 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1536 int len;
adamc@120 1537
adamc@311 1538 uw_check(ctx, FLOATS_MAX);
adamc@666 1539 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1540 ctx->page.front += len;
adamc@428 1541
adamc@428 1542 return uw_unit_v;
adamc@120 1543 }
adamc@120 1544
adamc@488 1545 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1546 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1547 }
adamc@488 1548
adamc@428 1549 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1550 uw_check(ctx, strlen(s) * 3);
adamc@120 1551
adamc@120 1552 for (; *s; s++) {
adamc@120 1553 char c = *s;
adamc@120 1554
adamc@120 1555 if (c == ' ')
adamc@311 1556 uw_writec_unsafe(ctx, '+');
adamc@120 1557 else if (isalnum(c))
adamc@311 1558 uw_writec_unsafe(ctx, c);
adamc@120 1559 else {
adamc@666 1560 sprintf(ctx->page.front, "%%%02X", c);
adamc@666 1561 ctx->page.front += 3;
adamc@120 1562 }
adamc@120 1563 }
adamc@428 1564
adamc@428 1565 return uw_unit_v;
adamc@120 1566 }
adamc@120 1567
adamc@428 1568 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1569 if (b == uw_Basis_False)
adamc@311 1570 uw_writec(ctx, '0');
adamc@186 1571 else
adamc@311 1572 uw_writec(ctx, '1');
adamc@428 1573
adamc@428 1574 return uw_unit_v;
adamc@186 1575 }
adamc@186 1576
adamc@120 1577
adamc@311 1578 static char *uw_unurlify_advance(char *s) {
adamc@144 1579 char *new_s = strchr(s, '/');
adamc@120 1580
adamc@120 1581 if (new_s)
adamc@120 1582 *new_s++ = 0;
adamc@120 1583 else
adamc@144 1584 new_s = strchr(s, 0);
adamc@144 1585
adamc@144 1586 return new_s;
adamc@144 1587 }
adamc@144 1588
adamc@311 1589 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1590 char *new_s = uw_unurlify_advance(*s);
adamc@311 1591 uw_Basis_int r;
adamc@120 1592
adamc@276 1593 r = atoll(*s);
adamc@120 1594 *s = new_s;
adamc@120 1595 return r;
adamc@120 1596 }
adamc@120 1597
adamc@311 1598 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1599 char *new_s = uw_unurlify_advance(*s);
adamc@311 1600 uw_Basis_float r;
adamc@120 1601
adamc@120 1602 r = atof(*s);
adamc@120 1603 *s = new_s;
adamc@120 1604 return r;
adamc@120 1605 }
adamc@120 1606
adamc@488 1607 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1608 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1609 }
adamc@488 1610
adamc@311 1611 static uw_Basis_string uw_unurlifyString_to(uw_context ctx, char *r, char *s) {
adamc@144 1612 char *s1, *s2;
adamc@144 1613 int n;
adamc@136 1614
adamc@144 1615 for (s1 = r, s2 = s; *s2; ++s1, ++s2) {
adamc@136 1616 char c = *s2;
adamc@136 1617
adamc@136 1618 switch (c) {
adamc@136 1619 case '+':
adamc@136 1620 *s1 = ' ';
adamc@136 1621 break;
adamc@136 1622 case '%':
adamc@169 1623 if (s2[1] == 0)
adamc@311 1624 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1625 if (s2[2] == 0)
adamc@311 1626 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1627 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1628 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1629 *s1 = n;
adamc@136 1630 s2 += 2;
adamc@136 1631 break;
adamc@136 1632 default:
adamc@136 1633 *s1 = c;
adamc@136 1634 }
adamc@136 1635 }
adamc@136 1636 *s1++ = 0;
adamc@144 1637 return s1;
adamc@144 1638 }
adamc@144 1639
adamc@311 1640 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1641 char *new_s = uw_unurlify_advance(*s);
adamc@311 1642 uw_Basis_bool r;
adamc@186 1643
adamc@186 1644 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1645 r = uw_Basis_False;
adamc@186 1646 else
adamc@311 1647 r = uw_Basis_True;
adamc@186 1648
adamc@186 1649 *s = new_s;
adamc@186 1650 return r;
adamc@186 1651 }
adamc@186 1652
adamc@311 1653 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1654 char *new_s = uw_unurlify_advance(*s);
adamc@144 1655 char *r, *s1, *s2;
adamc@144 1656 int len, n;
adamc@144 1657
adamc@200 1658 len = strlen(*s);
adamc@311 1659 uw_check_heap(ctx, len + 1);
adamc@144 1660
adamc@666 1661 r = ctx->heap.front;
adamc@666 1662 ctx->heap.front = uw_unurlifyString_to(ctx, ctx->heap.front, *s);
adamc@136 1663 *s = new_s;
adamc@136 1664 return r;
adamc@120 1665 }
adamc@135 1666
adamc@135 1667
adamc@311 1668 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1669 int len;
adamc@286 1670 char *r;
adamc@286 1671
adamc@311 1672 uw_check_heap(ctx, INTS_MAX);
adamc@666 1673 r = ctx->heap.front;
adamc@286 1674 sprintf(r, "%lld%n", n, &len);
adamc@666 1675 ctx->heap.front += len+1;
adamc@286 1676 return r;
adamc@286 1677 }
adamc@286 1678
adamc@428 1679 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1680 int len;
adamc@286 1681
adamc@311 1682 uw_check(ctx, INTS_MAX);
adamc@666 1683 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1684 ctx->page.front += len;
adamc@428 1685
adamc@428 1686 return uw_unit_v;
adamc@286 1687 }
adamc@286 1688
adamc@311 1689 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1690 int len;
adamc@286 1691 char *r;
adamc@286 1692
adamc@311 1693 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1694 r = ctx->heap.front;
adamc@286 1695 sprintf(r, "%g%n", n, &len);
adamc@666 1696 ctx->heap.front += len+1;
adamc@286 1697 return r;
adamc@286 1698 }
adamc@286 1699
adamc@428 1700 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1701 int len;
adamc@286 1702
adamc@311 1703 uw_check(ctx, FLOATS_MAX);
adamc@666 1704 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1705 ctx->page.front += len;
adamc@428 1706
adamc@428 1707 return uw_unit_v;
adamc@286 1708 }
adamc@286 1709
adamc@311 1710 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1711 char *r, *s2;
adamc@137 1712
adamc@311 1713 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 1714
adamc@666 1715 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@137 1716 char c = *s;
adamc@137 1717
adamc@137 1718 switch (c) {
adamc@137 1719 case '<':
adamc@137 1720 strcpy(s2, "&lt;");
adamc@137 1721 s2 += 4;
adamc@137 1722 break;
adamc@137 1723 case '&':
adamc@137 1724 strcpy(s2, "&amp;");
adamc@137 1725 s2 += 5;
adamc@137 1726 break;
adamc@137 1727 default:
adamc@137 1728 if (isprint(c))
adamc@137 1729 *s2++ = c;
adamc@137 1730 else {
adamc@137 1731 int len2;
adamc@137 1732 sprintf(s2, "&#%d;%n", c, &len2);
adamc@137 1733 s2 += len2;
adamc@137 1734 }
adamc@137 1735 }
adamc@137 1736 }
adamc@137 1737
adamc@137 1738 *s2++ = 0;
adamc@666 1739 ctx->heap.front = s2;
adamc@137 1740 return r;
adamc@135 1741 }
adamc@135 1742
adamc@428 1743 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 1744 uw_check(ctx, strlen(s) * 6);
adamc@135 1745
adamc@135 1746 for (; *s; s++) {
adamc@135 1747 char c = *s;
adamc@135 1748
adamc@135 1749 switch (c) {
adamc@135 1750 case '<':
adamc@311 1751 uw_write_unsafe(ctx, "&lt;");
adamc@135 1752 break;
adamc@135 1753 case '&':
adamc@311 1754 uw_write_unsafe(ctx, "&amp;");
adamc@135 1755 break;
adamc@135 1756 default:
adamc@135 1757 if (isprint(c))
adamc@311 1758 uw_writec_unsafe(ctx, c);
adamc@135 1759 else {
adamc@311 1760 uw_write_unsafe(ctx, "&#");
adamc@311 1761 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 1762 uw_writec_unsafe(ctx, ';');
adamc@135 1763 }
adamc@135 1764 }
adamc@135 1765 }
adamc@428 1766
adamc@428 1767 return uw_unit_v;
adamc@135 1768 }
adamc@180 1769
adamc@311 1770 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1771 if (b == uw_Basis_False)
adamc@286 1772 return "False";
adamc@286 1773 else
adamc@286 1774 return "True";
adamc@286 1775 }
adamc@286 1776
adamc@428 1777 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1778 if (b == uw_Basis_False) {
adamc@311 1779 uw_check(ctx, 6);
adamc@666 1780 strcpy(ctx->page.front, "False");
adamc@666 1781 ctx->page.front += 5;
adamc@286 1782 } else {
adamc@311 1783 uw_check(ctx, 5);
adamc@666 1784 strcpy(ctx->page.front, "True");
adamc@666 1785 ctx->page.front += 4;
adamc@286 1786 }
adamc@428 1787
adamc@428 1788 return uw_unit_v;
adamc@286 1789 }
adamc@286 1790
adamc@436 1791 #define TIME_FMT "%x %X"
adamc@438 1792 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 1793
adamc@436 1794 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 1795 size_t len;
adamc@436 1796 char *r;
adamc@436 1797 struct tm stm;
adamc@436 1798
adamc@436 1799 if (localtime_r(&t, &stm)) {
adamc@436 1800 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1801 r = ctx->heap.front;
adamc@436 1802 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1803 ctx->heap.front += len+1;
adamc@436 1804 return r;
adamc@436 1805 } else
adamc@436 1806 return "<i>Invalid time</i>";
adamc@436 1807 }
adamc@436 1808
adamc@436 1809 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 1810 size_t len;
adamc@436 1811 char *r;
adamc@436 1812 struct tm stm;
adamc@436 1813
adamc@436 1814 if (localtime_r(&t, &stm)) {
adamc@436 1815 uw_check(ctx, TIMES_MAX);
adamc@666 1816 r = ctx->page.front;
adamc@436 1817 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1818 ctx->page.front += len;
adamc@436 1819 } else {
adamc@436 1820 uw_check(ctx, 20);
adamc@666 1821 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 1822 ctx->page.front += 19;
adamc@436 1823 }
adamc@436 1824
adamc@436 1825 return uw_unit_v;
adamc@436 1826 }
adamc@436 1827
adamc@821 1828 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1829 if (n >= 0 && n < strlen(s))
adamc@821 1830 return s[n];
adamc@821 1831 else
adamc@821 1832 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 1833 }
adamc@821 1834
adamc@821 1835 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1836 if (n >= 0 && n < strlen(s))
adamc@821 1837 return &s[n];
adamc@821 1838 else
adamc@821 1839 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 1840 }
adamc@821 1841
adamc@828 1842 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 1843 return strlen(s);
adamc@828 1844 }
adamc@828 1845
adamc@829 1846 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1847 return strchr(s, ch);
adamc@829 1848 }
adamc@829 1849
adamc@831 1850 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 1851 return strcspn(s, chs);
adamc@831 1852 }
adamc@831 1853
adamc@829 1854 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1855 uw_Basis_string r = strchr(s, ch);
adamc@829 1856 if (r == NULL)
adamc@829 1857 return NULL;
adamc@829 1858 else {
adamc@829 1859 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 1860 *nr = r - s;
adamc@829 1861 return nr;
adamc@829 1862 }
adamc@829 1863 }
adamc@829 1864
adamc@311 1865 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 1866 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 1867 char *s;
adamc@180 1868
adamc@311 1869 uw_check_heap(ctx, len);
adamc@180 1870
adamc@666 1871 s = ctx->heap.front;
adamc@180 1872
adamc@180 1873 strcpy(s, s1);
adamc@180 1874 strcat(s, s2);
adamc@666 1875 ctx->heap.front += len;
adamc@180 1876
adamc@180 1877 return s;
adamc@180 1878 }
adamc@278 1879
adamc@829 1880 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 1881 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 1882
adamc@829 1883 if (start < 0)
adamc@829 1884 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 1885 if (len < 0)
adamc@829 1886 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 1887 if (start + len > full_len)
adamc@829 1888 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 1889
adamc@829 1890 if (start + len == full_len)
adamc@829 1891 return &s[start];
adamc@829 1892 else {
adamc@829 1893 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@829 1894 memcpy(r, s, len);
adamc@829 1895 r[len] = 0;
adamc@829 1896 return r;
adamc@829 1897 }
adamc@829 1898
adamc@829 1899 }
adamc@829 1900
adamc@737 1901 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 1902 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 1903 char *s;
adamc@278 1904
adamc@311 1905 uw_check_heap(ctx, len);
adamc@278 1906
adamc@666 1907 s = ctx->heap.front;
adamc@278 1908
adamc@278 1909 strcpy(s, s1);
adamc@666 1910 ctx->heap.front += len;
adamc@278 1911
adamc@278 1912 return s;
adamc@278 1913 }
adamc@280 1914
adamc@737 1915 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 1916 if (s1)
adamc@737 1917 return uw_strdup(ctx, s1);
adamc@493 1918 else
adamc@493 1919 return NULL;
adamc@493 1920 }
adamc@493 1921
adamc@742 1922 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 1923 char *r = uw_malloc(ctx, len);
adamc@742 1924 memcpy(r, p, len);
adamc@742 1925 return r;
adamc@742 1926 }
adamc@280 1927
adamc@879 1928 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 1929
adamc@311 1930 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 1931 int len;
adamc@281 1932 char *r;
adamc@281 1933
adamc@311 1934 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 1935 r = ctx->heap.front;
adamc@879 1936 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 1937 ctx->heap.front += len+1;
adamc@281 1938 return r;
adamc@281 1939 }
adamc@281 1940
adamc@467 1941 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 1942 if (n == NULL)
adamc@467 1943 return "NULL";
adamc@467 1944 else
adamc@467 1945 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 1946 }
adamc@467 1947
adamc@879 1948 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 1949
adamc@311 1950 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 1951 int len;
adamc@281 1952 char *r;
adamc@281 1953
adamc@311 1954 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 1955 r = ctx->heap.front;
adamc@879 1956 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 1957 ctx->heap.front += len+1;
adamc@281 1958 return r;
adamc@281 1959 }
adamc@281 1960
adamc@467 1961 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 1962 if (n == NULL)
adamc@467 1963 return "NULL";
adamc@467 1964 else
adamc@467 1965 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 1966 }
adamc@467 1967
adamc@879 1968 int uw_Estrings = 1;
adamc@879 1969 char *uw_sqlsuffixString = "::text";
adamc@281 1970
adamc@311 1971 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 1972 char *r, *s2;
adamc@280 1973
adamc@879 1974 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 1975
adamc@666 1976 r = s2 = ctx->heap.front;
adamc@879 1977 if (uw_Estrings)
adamc@879 1978 *s2++ = 'E';
adamc@280 1979 *s2++ = '\'';
adamc@280 1980
adamc@280 1981 for (; *s; s++) {
adamc@280 1982 char c = *s;
adamc@280 1983
adamc@280 1984 switch (c) {
adamc@280 1985 case '\'':
adamc@885 1986 if (uw_Estrings)
adamc@885 1987 strcpy(s2, "\\'");
adamc@885 1988 else
adamc@885 1989 strcpy(s2, "''");
adamc@280 1990 s2 += 2;
adamc@280 1991 break;
adamc@280 1992 case '\\':
adamc@885 1993 if (uw_Estrings) {
adamc@885 1994 strcpy(s2, "\\\\");
adamc@885 1995 s2 += 2;
adamc@885 1996 } else
adamc@885 1997 *s2++ = '\\';
adamc@280 1998 break;
adamc@280 1999 default:
adamc@280 2000 if (isprint(c))
adamc@280 2001 *s2++ = c;
adamc@879 2002 else if (uw_Estrings) {
adamc@737 2003 sprintf(s2, "\\%03o", c);
adamc@280 2004 s2 += 4;
adamc@280 2005 }
adamc@879 2006 else
adamc@879 2007 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2008 }
adamc@280 2009 }
adamc@280 2010
adamc@879 2011 *s2++ = '\'';
adamc@879 2012 strcpy(s2, uw_sqlsuffixString);
adamc@879 2013 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2014 return r;
adamc@280 2015 }
adamc@281 2016
adamc@879 2017 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2018
adamc@737 2019 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2020 char *r, *s2;
adamc@737 2021 size_t i;
adamc@737 2022
adamc@879 2023 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2024
adamc@737 2025 r = s2 = ctx->heap.front;
adamc@879 2026 if (uw_Estrings)
adamc@879 2027 *s2++ = 'E';
adamc@737 2028 *s2++ = '\'';
adamc@737 2029
adamc@737 2030 for (i = 0; i < b.size; ++i) {
adamc@737 2031 char c = b.data[i];
adamc@737 2032
adamc@737 2033 switch (c) {
adamc@737 2034 case '\'':
adamc@885 2035 if (uw_Estrings)
adamc@885 2036 strcpy(s2, "\\'");
adamc@885 2037 else
adamc@885 2038 strcpy(s2, "''");
adamc@737 2039 s2 += 2;
adamc@737 2040 break;
adamc@737 2041 case '\\':
adamc@885 2042 if (uw_Estrings) {
adamc@885 2043 strcpy(s2, "\\\\\\\\");
adamc@885 2044 s2 += 4;
adamc@885 2045 } else
adamc@885 2046 *s2++ = '\\';
adamc@737 2047 break;
adamc@737 2048 default:
adamc@737 2049 if (isprint(c))
adamc@737 2050 *s2++ = c;
adamc@879 2051 else if (uw_Estrings) {
adamc@737 2052 sprintf(s2, "\\\\%03o", c);
adamc@737 2053 s2 += 5;
adamc@737 2054 }
adamc@879 2055 else
adamc@879 2056 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2057 }
adamc@737 2058 }
adamc@737 2059
adamc@879 2060 *s2++ = '\'';
adamc@879 2061 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2062 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2063 return r;
adamc@737 2064 }
adamc@737 2065
adamc@682 2066 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2067 int len;
adamc@682 2068 char *r;
adamc@682 2069 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2070
adamc@682 2071 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2072 r = ctx->heap.front;
adamc@879 2073 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2074 ctx->heap.front += len+1;
adamc@682 2075 return r;
adamc@682 2076 }
adamc@682 2077
adamc@682 2078 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2079 int len;
adamc@682 2080 char *r;
adamc@682 2081 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2082
adamc@682 2083 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2084 r = ctx->heap.front;
adamc@682 2085 sprintf(r, "%lld%n", combo, &len);
adamc@682 2086 ctx->heap.front += len+1;
adamc@682 2087 return r;
adamc@682 2088 }
adamc@682 2089
adamc@879 2090 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2091
adamc@682 2092 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2093 int len;
adamc@682 2094 char *r;
adamc@682 2095
adamc@682 2096 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2097 r = ctx->heap.front;
adamc@879 2098 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2099 ctx->heap.front += len+1;
adamc@682 2100 return r;
adamc@682 2101 }
adamc@682 2102
adamc@682 2103 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2104 int len;
adamc@682 2105 char *r;
adamc@682 2106
adamc@682 2107 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2108 r = ctx->heap.front;
adamc@682 2109 sprintf(r, "%u%n", cli, &len);
adamc@682 2110 ctx->heap.front += len+1;
adamc@682 2111 return r;
adamc@682 2112 }
adamc@682 2113
adamc@467 2114 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2115 if (s == NULL)
adamc@467 2116 return "NULL";
adamc@467 2117 else
adamc@467 2118 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2119 }
adamc@467 2120
adamc@311 2121 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2122 if (b == uw_Basis_False)
adamc@281 2123 return "FALSE";
adamc@281 2124 else
adamc@281 2125 return "TRUE";
adamc@281 2126 }
adamc@282 2127
adamc@467 2128 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2129 if (b == NULL)
adamc@467 2130 return "NULL";
adamc@467 2131 else
adamc@467 2132 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2133 }
adamc@467 2134
adamc@439 2135 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2136 size_t len;
adamc@682 2137 char *r, *s;
adamc@682 2138 struct tm stm;
adamc@682 2139
adamc@682 2140 if (localtime_r(&t, &stm)) {
adamc@682 2141 s = uw_malloc(ctx, TIMES_MAX);
adamc@682 2142 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682 2143 r = uw_malloc(ctx, len + 14);
adamc@682 2144 sprintf(r, "'%s'::timestamp", s);
adamc@682 2145 return r;
adamc@682 2146 } else
adamc@682 2147 return "<Invalid time>";
adamc@682 2148 }
adamc@682 2149
adamc@682 2150 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2151 size_t len;
adamc@439 2152 char *r;
adamc@439 2153 struct tm stm;
adamc@439 2154
adamc@439 2155 if (localtime_r(&t, &stm)) {
adamc@439 2156 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2157 r = ctx->heap.front;
adamc@439 2158 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2159 ctx->heap.front += len+1;
adamc@439 2160 return r;
adamc@439 2161 } else
adamc@439 2162 return "<Invalid time>";
adamc@439 2163 }
adamc@439 2164
adamc@467 2165 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2166 if (t == NULL)
adamc@467 2167 return "NULL";
adamc@467 2168 else
adamc@467 2169 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2170 }
adamc@467 2171
adamc@311 2172 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2173 static uw_Basis_int true = 1;
adamc@311 2174 static uw_Basis_int false = 0;
adamc@282 2175
adamc@311 2176 if (b == uw_Basis_False)
adamc@282 2177 return (char *)&false;
adamc@282 2178 else
adamc@282 2179 return (char *)&true;
adamc@282 2180 }
adamc@284 2181
adamc@311 2182 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2183 int len;
adamc@284 2184 char *r;
adamc@284 2185
adamc@311 2186 uw_check_heap(ctx, INTS_MAX);
adamc@666 2187 r = ctx->heap.front;
adamc@284 2188 sprintf(r, "%lld%n", n, &len);
adamc@666 2189 ctx->heap.front += len+1;
adamc@284 2190 return r;
adamc@284 2191 }
adamc@285 2192
adamc@311 2193 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2194 int len;
adamc@285 2195 char *r;
adamc@285 2196
adamc@311 2197 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2198 r = ctx->heap.front;
adamc@285 2199 sprintf(r, "%g%n", n, &len);
adamc@666 2200 ctx->heap.front += len+1;
adamc@285 2201 return r;
adamc@285 2202 }
adamc@285 2203
adamc@821 2204 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2205 char *r = uw_malloc(ctx, 2);
adamc@821 2206 r[0] = ch;
adamc@821 2207 r[1] = 0;
adamc@821 2208 return r;
adamc@821 2209 }
adamc@821 2210
adamc@311 2211 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2212 if (b == uw_Basis_False)
adamc@285 2213 return "False";
adamc@285 2214 else
adamc@285 2215 return "True";
adamc@285 2216 }
adamc@288 2217
adamc@436 2218 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2219 size_t len;
adamc@436 2220 char *r;
adamc@436 2221 struct tm stm;
adamc@436 2222
adamc@436 2223 if (localtime_r(&t, &stm)) {
adamc@436 2224 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2225 r = ctx->heap.front;
adamc@436 2226 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2227 ctx->heap.front += len+1;
adamc@436 2228 return r;
adamc@436 2229 } else
adamc@436 2230 return "<Invalid time>";
adamc@436 2231 }
adamc@288 2232
adamc@311 2233 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2234 char *endptr;
adamc@311 2235 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2236
adamc@288 2237 if (*s != '\0' && *endptr == '\0') {
adamc@311 2238 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2239 *r = n;
adamc@288 2240 return r;
adamc@288 2241 } else
adamc@288 2242 return NULL;
adamc@288 2243 }
adamc@289 2244
adamc@311 2245 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2246 char *endptr;
adamc@311 2247 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2248
adamc@289 2249 if (*s != '\0' && *endptr == '\0') {
adamc@311 2250 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2251 *r = n;
adamc@289 2252 return r;
adamc@289 2253 } else
adamc@289 2254 return NULL;
adamc@289 2255 }
adamc@289 2256
adamc@821 2257 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2258 if (s[0] == 0) {
adamc@821 2259 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2260 r[0] = 0;
adamc@821 2261 return r;
adamc@821 2262 } else if (s[1] != 0)
adamc@821 2263 return NULL;
adamc@821 2264 else {
adamc@821 2265 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2266 r[0] = s[0];
adamc@821 2267 return r;
adamc@821 2268 }
adamc@821 2269 }
adamc@821 2270
adamc@311 2271 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2272 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2273 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2274
adamc@289 2275 if (!strcasecmp (s, "True"))
adamc@289 2276 return &true;
adamc@289 2277 else if (!strcasecmp (s, "False"))
adamc@289 2278 return &false;
adamc@289 2279 else
adamc@289 2280 return NULL;
adamc@289 2281 }
adamc@292 2282
adamc@436 2283 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2284 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2285 struct tm stm;
adamc@436 2286
adamc@439 2287 if (dot) {
adamc@439 2288 *dot = 0;
adamc@439 2289 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2290 *dot = '.';
adamc@439 2291 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2292 *r = mktime(&stm);
adamc@439 2293 return r;
adamc@439 2294 }
adamc@439 2295 else {
adamc@439 2296 *dot = '.';
adamc@439 2297 return NULL;
adamc@439 2298 }
adamc@436 2299 }
adamc@439 2300 else {
adamc@439 2301 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2302 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2303 *r = mktime(&stm);
adamc@439 2304 return r;
adamc@439 2305 }
adamc@439 2306 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2307 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2308 *r = mktime(&stm);
adamc@439 2309 return r;
adamc@439 2310 }
adamc@439 2311 else
adamc@439 2312 return NULL;
adamc@439 2313 }
adamc@436 2314 }
adamc@436 2315
adamc@311 2316 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2317 char *endptr;
adamc@311 2318 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2319
adamc@292 2320 if (*s != '\0' && *endptr == '\0')
adamc@292 2321 return n;
adamc@292 2322 else
adamc@311 2323 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2324 }
adamc@293 2325
adamc@682 2326 #include <errno.h>
adamc@682 2327
adamc@678 2328 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2329 unsigned long long n;
adamc@682 2330
adamc@682 2331 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2332 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2333 else {
adamc@682 2334 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2335 return ch;
adamc@682 2336 }
adamc@682 2337 }
adamc@682 2338
adamc@682 2339 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2340 char *endptr;
adamc@682 2341 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2342
adamc@678 2343 if (*s != '\0' && *endptr == '\0')
adamc@678 2344 return n;
adamc@678 2345 else
adamc@682 2346 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2347 }
adamc@678 2348
adamc@311 2349 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2350 char *endptr;
adamc@311 2351 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2352
adamc@293 2353 if (*s != '\0' && *endptr == '\0')
adamc@293 2354 return n;
adamc@293 2355 else
adamc@311 2356 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2357 }
adamc@293 2358
adamc@821 2359 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2360 if (s[0] == 0)
adamc@821 2361 return 0;
adamc@821 2362 else if (s[1] != 0)
adamc@821 2363 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2364 else
adamc@821 2365 return s[0];
adamc@821 2366 }
adamc@821 2367
adamc@311 2368 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2369 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2370 return uw_Basis_True;
adamc@296 2371 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2372 return uw_Basis_False;
adamc@293 2373 else
adamc@311 2374 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2375 }
adamc@436 2376
adamc@436 2377 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2378 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2379 struct tm stm = {};
adamc@436 2380
adamc@438 2381 if (dot) {
adamc@438 2382 *dot = 0;
adamc@438 2383 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2384 *dot = '.';
adamc@438 2385 return mktime(&stm);
adamc@438 2386 }
adamc@438 2387 else {
adamc@438 2388 *dot = '.';
adamc@438 2389 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2390 }
adamc@438 2391 }
adamc@438 2392 else {
adamc@439 2393 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2394 return mktime(&stm);
adamc@439 2395 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2396 return mktime(&stm);
adamc@438 2397 else
adamc@438 2398 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2399 }
adamc@436 2400 }
adamc@457 2401
adamc@742 2402 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2403 char *r = ctx->heap.front;
adamc@742 2404 uw_Basis_blob b = {len, r};
adamc@742 2405
adamc@742 2406 uw_check_heap(ctx, len);
adamc@742 2407
adamc@742 2408 while (*s) {
adamc@742 2409 if (s[0] == '\\') {
adamc@742 2410 if (s[1] == '\\') {
adamc@742 2411 *r++ = '\\';
adamc@742 2412 s += 2;
adamc@742 2413 } else if (isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) {
adamc@742 2414 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2415 s += 4;
adamc@742 2416 }
adamc@742 2417 else {
adamc@742 2418 *r++ = '\\';
adamc@742 2419 ++s;
adamc@742 2420 }
adamc@742 2421 } else {
adamc@742 2422 *r++ = s[0];
adamc@742 2423 ++s;
adamc@742 2424 }
adamc@742 2425 }
adamc@742 2426
adamc@742 2427 b.size = r - ctx->heap.front;
adamc@742 2428 ctx->heap.front = r;
adamc@742 2429 return b;
adamc@742 2430 }
adamc@742 2431
adamc@463 2432 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2433 int len = strlen(c);
adamc@854 2434 char *p = ctx->outHeaders.start;
adamc@474 2435
adamc@474 2436 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474 2437 char *p2;
adamc@474 2438 p += 13;
adamc@474 2439 p2 = strchr(p, '=');
adamc@474 2440
adamc@474 2441 if (p2) {
adamc@474 2442 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2443
adamc@474 2444 if (!strncasecmp(p, c, p2 - p)) {
adamc@474 2445 char *ret = uw_malloc(ctx, sz + 1);
adamc@474 2446 memcpy(ret, p2+1, sz);
adamc@474 2447 ret[sz] = 0;
adamc@474 2448 return ret;
adamc@474 2449 }
adamc@474 2450 }
adamc@474 2451 }
adamc@463 2452
adamc@854 2453 if (p = uw_Basis_requestHeader(ctx, "Cookie")) {
adamc@854 2454 while (1) {
adamc@854 2455 if (!strncmp(p, c, len) && p[len] == '=')
adamc@854 2456 return p + 1 + len;
adamc@854 2457 else if (p = strchr(p, ';'))
adamc@854 2458 p += 2;
adamc@463 2459 else
adamc@463 2460 return NULL;
adamc@463 2461 }
adamc@463 2462 }
adamc@792 2463
adamc@792 2464 return NULL;
adamc@457 2465 }
adamc@462 2466
adamc@466 2467 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
adamc@462 2468 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2469 uw_write_header(ctx, c);
adamc@462 2470 uw_write_header(ctx, "=");
adamc@462 2471 uw_write_header(ctx, v);
adamc@466 2472 uw_write_header(ctx, "; path=");
adamc@466 2473 uw_write_header(ctx, prefix);
adamc@462 2474 uw_write_header(ctx, "\r\n");
adamc@462 2475
adamc@462 2476 return uw_unit_v;
adamc@462 2477 }
adamc@667 2478
adamc@682 2479 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2480 unsigned i;
adamc@682 2481 delta *d;
adamc@671 2482
adamc@682 2483 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2484 if (ctx->deltas[i].client == client)
adamc@682 2485 return &ctx->deltas[i];
adamc@671 2486
adamc@682 2487 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@682 2488 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@682 2489 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2490 }
adamc@671 2491
adamc@682 2492 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2493 d->client = client;
adamc@682 2494 buf_reset(&d->msgs);
adamc@682 2495 return d;
adamc@671 2496 }
adamc@671 2497
adamc@668 2498 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2499 if (ctx->client == NULL)
adamc@682 2500 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2501
adamc@682 2502 return new_channel(ctx->client);
adamc@668 2503 }
adamc@668 2504
adamc@668 2505 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 2506 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 2507 size_t len;
adamc@682 2508 int preLen;
adamc@682 2509 char pre[INTS_MAX + 2];
adamc@668 2510
adamc@682 2511 len = strlen(msg);
adamc@682 2512
adamc@682 2513 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 2514
adamc@682 2515 buf_append(&d->msgs, pre, preLen);
adamc@682 2516 buf_append(&d->msgs, msg, len);
adamc@682 2517 buf_append(&d->msgs, "\n", 1);
adamc@671 2518
adamc@671 2519 return uw_unit_v;
adamc@668 2520 }
adamc@671 2521
adamc@671 2522 int uw_db_commit(uw_context);
adamc@671 2523 int uw_db_rollback(uw_context);
adamc@671 2524
adamc@671 2525 void uw_commit(uw_context ctx) {
adamc@682 2526 unsigned i;
adamc@671 2527
adamc@771 2528 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2529 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2530 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2531
adamc@771 2532 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2533 if (ctx->transactionals[i].rollback == NULL)
adamc@771 2534 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2535
adamc@771 2536 if (uw_db_commit(ctx))
adamc@671 2537 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@682 2538
adamc@682 2539 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 2540 delta *d = &ctx->deltas[i];
adamc@682 2541 client *c = find_client(d->client);
adamc@682 2542
adamc@682 2543 assert (c != NULL && c->mode == USED);
adamc@682 2544
adamc@685 2545 client_send(c, &d->msgs);
adamc@682 2546 }
adamc@682 2547
adamc@682 2548 if (ctx->client)
adamc@685 2549 release_client(ctx->client);
adamc@771 2550
adamc@771 2551 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2552 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@916 2553
adamc@916 2554 // Splice script data into appropriate part of page
adamc@921 2555 if (ctx->returning_blob || ctx->script_header[0] == 0)
adamc@916 2556 ;
adamc@916 2557 else if (buf_used(&ctx->script) == 0) {
adamc@916 2558 size_t len = strlen(ctx->script_header);
adamc@916 2559 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2560 if (start) {
adamc@916 2561 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 2562 start = strstr(ctx->page.start, "<sc>");
adamc@916 2563 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2564 ctx->page.front += len - 4;
adamc@916 2565 memcpy(start, ctx->script_header, len);
adamc@916 2566 }
adamc@916 2567 } else {
adamc@916 2568 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 2569 size_t lenP = lenH + 40 + len;
adamc@916 2570 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2571 if (start) {
adamc@916 2572 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 2573 start = strstr(ctx->page.start, "<sc>");
adamc@916 2574 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2575 ctx->page.front += lenP - 4;
adamc@916 2576 memcpy(start, ctx->script_header, lenH);
adamc@916 2577 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 2578 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 2579 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 2580 }
adamc@916 2581 }
adamc@671 2582 }
adamc@671 2583
adamc@671 2584 int uw_rollback(uw_context ctx) {
adamc@771 2585 size_t i;
adamc@885 2586 cleanup *cl;
adamc@771 2587
adamc@682 2588 if (ctx->client)
adamc@685 2589 release_client(ctx->client);
adamc@671 2590
adamc@885 2591 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@885 2592 cl->func(cl->arg);
adamc@885 2593
adamc@885 2594 ctx->cleanup_front = ctx->cleanup;
adamc@885 2595
adamc@771 2596 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2597 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2598 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@771 2599
adamc@771 2600 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2601 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@771 2602
adamc@671 2603 return uw_db_rollback(ctx);
adamc@671 2604 }
adamc@683 2605
adamc@771 2606 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adamc@771 2607 uw_callback free) {
adamc@771 2608 if (commit == NULL)
adamc@771 2609 uw_error(ctx, FATAL, "uw_register_transactional: NULL commit callback");
adamc@771 2610
adamc@771 2611 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@771 2612 ctx->transactionals = realloc(ctx->transactionals, ctx->used_transactionals+1);
adamc@771 2613 ++ctx->n_transactionals;
adamc@771 2614 }
adamc@771 2615
adamc@771 2616 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 2617 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 2618 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 2619 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 2620 }
adamc@771 2621
adamc@683 2622
adamc@683 2623 // "Garbage collection"
adamc@683 2624
adamc@683 2625 void uw_expunger(uw_context ctx, uw_Basis_client cli);
adamc@683 2626
adamc@683 2627 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
adamc@683 2628 int r = setjmp(ctx->jmp_buf);
adamc@683 2629
adamc@684 2630 if (r == 0) {
adamc@684 2631 if (uw_db_begin(ctx))
adamc@684 2632 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@683 2633 uw_expunger(ctx, cli);
adamc@684 2634 if (uw_db_commit(ctx))
adamc@684 2635 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@684 2636 }
adamc@683 2637
adamc@683 2638 return r;
adamc@683 2639 }
adamc@683 2640
adamc@683 2641 void uw_prune_clients(uw_context ctx) {
adamc@683 2642 client *c, *next, *prev = NULL;
adamc@683 2643 time_t cutoff;
adamc@683 2644
adamc@683 2645 cutoff = time(NULL) - uw_timeout;
adamc@683 2646
adamc@683 2647 pthread_mutex_lock(&clients_mutex);
adamc@683 2648
adamc@683 2649 for (c = clients_used; c; c = next) {
adamc@683 2650 next = c->next;
adamc@683 2651 pthread_mutex_lock(&c->lock);
adamc@685 2652 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 2653 failure_kind fk = UNLIMITED_RETRY;
adamc@683 2654 if (prev)
adamc@683 2655 prev->next = next;
adamc@683 2656 else
adamc@683 2657 clients_used = next;
adamc@684 2658 uw_reset(ctx);
adamc@683 2659 while (fk == UNLIMITED_RETRY) {
adamc@683 2660 fk = uw_expunge(ctx, c->id);
adamc@684 2661 if (fk == UNLIMITED_RETRY) {
adamc@684 2662 uw_db_rollback(ctx);
adamc@684 2663 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 2664 }
adamc@683 2665 }
adamc@684 2666 if (fk == SUCCESS)
adamc@684 2667 free_client(c);
adamc@684 2668 else {
adamc@684 2669 uw_db_rollback(ctx);
adamc@856 2670 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@684 2671 }
adamc@683 2672 }
adamc@683 2673 else
adamc@683 2674 prev = c;
adamc@683 2675 pthread_mutex_unlock(&c->lock);
adamc@683 2676 }
adamc@683 2677
adamc@683 2678 pthread_mutex_unlock(&clients_mutex);
adamc@683 2679 }
adamc@687 2680
adamc@687 2681 void uw_initializer(uw_context ctx);
adamc@687 2682
adamc@687 2683 failure_kind uw_initialize(uw_context ctx) {
adamc@687 2684 int r = setjmp(ctx->jmp_buf);
adamc@687 2685
adamc@687 2686 if (r == 0) {
adamc@687 2687 if (uw_db_begin(ctx))
adamc@687 2688 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@687 2689 uw_initializer(ctx);
adamc@687 2690 if (uw_db_commit(ctx))
adamc@687 2691 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 2692 }
adamc@687 2693
adamc@687 2694 return r;
adamc@687 2695 }
adamc@717 2696
adamc@770 2697 extern int uw_check_url(const char *);
adamc@770 2698 extern int uw_check_mime(const char *);
adamc@770 2699
adamc@717 2700 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@770 2701 if (uw_check_url(s))
adamc@770 2702 return s;
adamc@770 2703 else
adamc@770 2704 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 2705 }
adamc@734 2706
adamc@770 2707 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@770 2708 if (uw_check_url(s))
adamc@770 2709 return s;
adamc@770 2710 else
adamc@770 2711 return NULL;
adamc@770 2712 }
adamc@770 2713
adamc@770 2714 int mime_format(const char *s) {
adamc@770 2715 for (; *s; ++s)
adamc@770 2716 if (!isalnum(*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 2717 return 0;
adamc@770 2718
adamc@770 2719 return 1;
adamc@770 2720 }
adamc@770 2721
adamc@741 2722 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2723 if (!mime_format(s))
adamc@770 2724 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 2725
adamc@770 2726 if (uw_check_mime(s))
adamc@770 2727 return s;
adamc@770 2728 else
adamc@770 2729 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 2730 }
adamc@770 2731
adamc@770 2732 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2733 if (!mime_format(s))
adamc@770 2734 return NULL;
adamc@770 2735
adamc@770 2736 if (uw_check_mime(s))
adamc@770 2737 return s;
adamc@770 2738 else
adamc@770 2739 return NULL;
adamc@741 2740 }
adamc@741 2741
adamc@734 2742 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 2743 return s ? s : "";
adamc@734 2744 }
adamc@734 2745
adamc@734 2746 extern int uw_hash_blocksize;
adamc@734 2747
adamc@734 2748 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 2749 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 2750 int i;
adamc@734 2751
adamc@734 2752 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 2753 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 2754
adamc@734 2755 return r;
adamc@734 2756 }
adamc@734 2757
adamc@734 2758 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@734 2759 return uw_cookie_sig(ctx);
adamc@734 2760 }
adamc@737 2761
adamc@737 2762 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 2763 return f.name;
adamc@737 2764 }
adamc@737 2765
adamc@740 2766 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 2767 return f.type;
adamc@740 2768 }
adamc@740 2769
adamc@745 2770 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 2771 return b.size;
adamc@745 2772 }
adamc@745 2773
adamc@737 2774 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 2775 return f.data;
adamc@737 2776 }
adamc@741 2777
adamc@741 2778 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 2779 cleanup *cl;
adamc@741 2780 int len;
adamc@741 2781
adamc@921 2782 ctx->returning_blob = 1;
adamc@741 2783 buf_reset(&ctx->outHeaders);
adamc@741 2784 buf_reset(&ctx->page);
adamc@741 2785
adamc@856 2786 uw_write_header(ctx, on_success);
adamc@856 2787 uw_write_header(ctx, "Content-Type: ");
adamc@741 2788 uw_write_header(ctx, mimeType);
adamc@741 2789 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@741 2790 buf_check(&ctx->outHeaders, INTS_MAX);
adamc@741 2791 sprintf(ctx->outHeaders.front, "%d%n", b.size, &len);
adamc@741 2792 ctx->outHeaders.front += len;
adamc@741 2793 uw_write_header(ctx, "\r\n");
adamc@741 2794
adamc@741 2795 buf_append(&ctx->page, b.data, b.size);
adamc@741 2796
adamc@741 2797 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 2798 cl->func(cl->arg);
adamc@741 2799
adamc@741 2800 ctx->cleanup_front = ctx->cleanup;
adamc@741 2801
adamc@741 2802 longjmp(ctx->jmp_buf, RETURN_BLOB);
adamc@741 2803 }
adamc@874 2804
adamc@874 2805 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 2806 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 2807
adamc@874 2808 for (; *s; ++s) {
adamc@874 2809 if (s[0] == '\'') {
adamc@874 2810 *r++ = '\'';
adamc@874 2811 for (++s; *s; ++s) {
adamc@874 2812 if (s[0] == '\'') {
adamc@874 2813 *r++ = '\'';
adamc@874 2814 break;
adamc@874 2815 } else if (s[0] == '\\') {
adamc@874 2816 if (s[1] == '\\') {
adamc@874 2817 *r++ = '\\';
adamc@874 2818 *r++ = '\\';
adamc@874 2819 ++s;
adamc@874 2820 } else if (s[1] == '\'') {
adamc@874 2821 *r++ = '\\';
adamc@874 2822 *r++ = '\'';
adamc@874 2823 ++s;
adamc@874 2824 } else
adamc@874 2825 *r++ = '\'';
adamc@874 2826 } else
adamc@874 2827 *r++ = s[0];
adamc@874 2828 }
adamc@874 2829 if (*s == 0) break;
adamc@874 2830 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 2831 ++s;
adamc@874 2832 else
adamc@874 2833 *r++ = s[0];
adamc@874 2834 }
adamc@874 2835
adamc@874 2836 return r;
adamc@874 2837 }
adamc@874 2838