annotate src/c/urweb.c @ 972:733f67bb64e7

Functions working with interpretation
author Adam Chlipala <adamc@hcoop.net>
date Tue, 22 Sep 2009 13:27:47 -0400
parents 8371d12ae63f
children 7932d577cf78
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@970 1289 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1290 sprintf(ctx->script.front, "var s%d=sc(exec(%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@970 1294 strcpy(ctx->script.front, "));");
adamc@972 1295 ctx->script.front += 3;
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@970 1304 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1305 sprintf(ctx->script.front, "sv(s%d,exec(%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@970 1309 strcpy(ctx->script.front, "));");
adamc@972 1310 ctx->script.front += 3;
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@925 1482 if (s[0] == '\0')
adamc@925 1483 return "_";
adamc@925 1484
adamc@925 1485 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1486
adamc@925 1487 r = p = ctx->heap.front;
adamc@925 1488 if (s[0] == '_')
adamc@925 1489 *p++ = '_';
adamc@925 1490
adamc@925 1491 for (; *s; s++) {
adamc@137 1492 char c = *s;
adamc@137 1493
adamc@137 1494 if (c == ' ')
adamc@137 1495 *p++ = '+';
adamc@137 1496 else if (isalnum(c))
adamc@137 1497 *p++ = c;
adamc@137 1498 else {
adamc@137 1499 sprintf(p, "%%%02X", c);
adamc@137 1500 p += 3;
adamc@137 1501 }
adamc@137 1502 }
adamc@137 1503
adamc@137 1504 *p++ = 0;
adamc@666 1505 ctx->heap.front = p;
adamc@137 1506 return r;
adamc@120 1507 }
adamc@120 1508
adamc@311 1509 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1510 if (b == uw_Basis_False)
adamc@186 1511 return "0";
adamc@186 1512 else
adamc@186 1513 return "1";
adamc@186 1514 }
adamc@186 1515
adamc@311 1516 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1517 int len;
adamc@120 1518
adamc@666 1519 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1520 ctx->page.front += len;
adamc@120 1521 }
adamc@120 1522
adamc@428 1523 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1524 uw_check(ctx, INTS_MAX);
adamc@311 1525 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1526
adamc@428 1527 return uw_unit_v;
adamc@120 1528 }
adamc@120 1529
adamc@682 1530 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1531 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1532 int len;
adamc@682 1533
adamc@682 1534 uw_check(ctx, INTS_MAX + 1);
adamc@682 1535 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1536 ctx->page.front += len;
adamc@682 1537 }
adamc@682 1538
adamc@679 1539 return uw_unit_v;
adamc@679 1540 }
adamc@679 1541
adamc@428 1542 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1543 int len;
adamc@120 1544
adamc@311 1545 uw_check(ctx, FLOATS_MAX);
adamc@666 1546 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1547 ctx->page.front += len;
adamc@428 1548
adamc@428 1549 return uw_unit_v;
adamc@120 1550 }
adamc@120 1551
adamc@488 1552 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1553 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1554 }
adamc@488 1555
adamc@428 1556 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1557 if (s[0] == '\0') {
adamc@925 1558 uw_check(ctx, 1);
adamc@925 1559 uw_writec_unsafe(ctx, '_');
adamc@925 1560 return uw_unit_v;
adamc@925 1561 }
adamc@925 1562
adamc@925 1563 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1564
adamc@925 1565 if (s[0] == '_')
adamc@925 1566 uw_writec_unsafe(ctx, '_');
adamc@120 1567
adamc@120 1568 for (; *s; s++) {
adamc@120 1569 char c = *s;
adamc@120 1570
adamc@120 1571 if (c == ' ')
adamc@311 1572 uw_writec_unsafe(ctx, '+');
adamc@120 1573 else if (isalnum(c))
adamc@311 1574 uw_writec_unsafe(ctx, c);
adamc@120 1575 else {
adamc@666 1576 sprintf(ctx->page.front, "%%%02X", c);
adamc@666 1577 ctx->page.front += 3;
adamc@120 1578 }
adamc@120 1579 }
adamc@428 1580
adamc@428 1581 return uw_unit_v;
adamc@120 1582 }
adamc@120 1583
adamc@428 1584 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1585 if (b == uw_Basis_False)
adamc@311 1586 uw_writec(ctx, '0');
adamc@186 1587 else
adamc@311 1588 uw_writec(ctx, '1');
adamc@428 1589
adamc@428 1590 return uw_unit_v;
adamc@186 1591 }
adamc@186 1592
adamc@120 1593
adamc@311 1594 static char *uw_unurlify_advance(char *s) {
adamc@144 1595 char *new_s = strchr(s, '/');
adamc@120 1596
adamc@120 1597 if (new_s)
adamc@120 1598 *new_s++ = 0;
adamc@120 1599 else
adamc@144 1600 new_s = strchr(s, 0);
adamc@144 1601
adamc@144 1602 return new_s;
adamc@144 1603 }
adamc@144 1604
adamc@311 1605 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1606 char *new_s = uw_unurlify_advance(*s);
adamc@311 1607 uw_Basis_int r;
adamc@120 1608
adamc@276 1609 r = atoll(*s);
adamc@120 1610 *s = new_s;
adamc@120 1611 return r;
adamc@120 1612 }
adamc@120 1613
adamc@311 1614 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1615 char *new_s = uw_unurlify_advance(*s);
adamc@311 1616 uw_Basis_float r;
adamc@120 1617
adamc@120 1618 r = atof(*s);
adamc@120 1619 *s = new_s;
adamc@120 1620 return r;
adamc@120 1621 }
adamc@120 1622
adamc@488 1623 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1624 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1625 }
adamc@488 1626
adamc@311 1627 static uw_Basis_string uw_unurlifyString_to(uw_context ctx, char *r, char *s) {
adamc@927 1628 char *s1, *s2 = s;
adamc@144 1629 int n;
adamc@136 1630
adamc@925 1631 if (*s2 == '_')
adamc@925 1632 ++s2;
adamc@925 1633 else if (s2[0] == '%' && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@925 1634 s2 += 3;
adamc@925 1635
adamc@927 1636 for (s1 = r; *s2; ++s1, ++s2) {
adamc@136 1637 char c = *s2;
adamc@136 1638
adamc@136 1639 switch (c) {
adamc@136 1640 case '+':
adamc@136 1641 *s1 = ' ';
adamc@136 1642 break;
adamc@136 1643 case '%':
adamc@169 1644 if (s2[1] == 0)
adamc@311 1645 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1646 if (s2[2] == 0)
adamc@311 1647 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1648 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1649 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1650 *s1 = n;
adamc@136 1651 s2 += 2;
adamc@136 1652 break;
adamc@136 1653 default:
adamc@136 1654 *s1 = c;
adamc@136 1655 }
adamc@136 1656 }
adamc@136 1657 *s1++ = 0;
adamc@144 1658 return s1;
adamc@144 1659 }
adamc@144 1660
adamc@311 1661 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1662 char *new_s = uw_unurlify_advance(*s);
adamc@311 1663 uw_Basis_bool r;
adamc@186 1664
adamc@186 1665 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1666 r = uw_Basis_False;
adamc@186 1667 else
adamc@311 1668 r = uw_Basis_True;
adamc@186 1669
adamc@186 1670 *s = new_s;
adamc@186 1671 return r;
adamc@186 1672 }
adamc@186 1673
adamc@311 1674 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1675 char *new_s = uw_unurlify_advance(*s);
adamc@144 1676 char *r, *s1, *s2;
adamc@144 1677 int len, n;
adamc@144 1678
adamc@200 1679 len = strlen(*s);
adamc@311 1680 uw_check_heap(ctx, len + 1);
adamc@144 1681
adamc@666 1682 r = ctx->heap.front;
adamc@666 1683 ctx->heap.front = uw_unurlifyString_to(ctx, ctx->heap.front, *s);
adamc@136 1684 *s = new_s;
adamc@136 1685 return r;
adamc@120 1686 }
adamc@135 1687
adamc@135 1688
adamc@311 1689 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1690 int len;
adamc@286 1691 char *r;
adamc@286 1692
adamc@311 1693 uw_check_heap(ctx, INTS_MAX);
adamc@666 1694 r = ctx->heap.front;
adamc@286 1695 sprintf(r, "%lld%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_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1701 int len;
adamc@286 1702
adamc@311 1703 uw_check(ctx, INTS_MAX);
adamc@666 1704 sprintf(ctx->page.front, "%lld%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_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1711 int len;
adamc@286 1712 char *r;
adamc@286 1713
adamc@311 1714 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1715 r = ctx->heap.front;
adamc@286 1716 sprintf(r, "%g%n", n, &len);
adamc@666 1717 ctx->heap.front += len+1;
adamc@286 1718 return r;
adamc@286 1719 }
adamc@286 1720
adamc@428 1721 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1722 int len;
adamc@286 1723
adamc@311 1724 uw_check(ctx, FLOATS_MAX);
adamc@666 1725 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1726 ctx->page.front += len;
adamc@428 1727
adamc@428 1728 return uw_unit_v;
adamc@286 1729 }
adamc@286 1730
adamc@311 1731 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1732 char *r, *s2;
adamc@137 1733
adamc@311 1734 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 1735
adamc@666 1736 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@137 1737 char c = *s;
adamc@137 1738
adamc@137 1739 switch (c) {
adamc@137 1740 case '<':
adamc@137 1741 strcpy(s2, "&lt;");
adamc@137 1742 s2 += 4;
adamc@137 1743 break;
adamc@137 1744 case '&':
adamc@137 1745 strcpy(s2, "&amp;");
adamc@137 1746 s2 += 5;
adamc@137 1747 break;
adamc@137 1748 default:
adamc@137 1749 if (isprint(c))
adamc@137 1750 *s2++ = c;
adamc@137 1751 else {
adamc@137 1752 int len2;
adamc@137 1753 sprintf(s2, "&#%d;%n", c, &len2);
adamc@137 1754 s2 += len2;
adamc@137 1755 }
adamc@137 1756 }
adamc@137 1757 }
adamc@137 1758
adamc@137 1759 *s2++ = 0;
adamc@666 1760 ctx->heap.front = s2;
adamc@137 1761 return r;
adamc@135 1762 }
adamc@135 1763
adamc@428 1764 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 1765 uw_check(ctx, strlen(s) * 6);
adamc@135 1766
adamc@135 1767 for (; *s; s++) {
adamc@135 1768 char c = *s;
adamc@135 1769
adamc@135 1770 switch (c) {
adamc@135 1771 case '<':
adamc@311 1772 uw_write_unsafe(ctx, "&lt;");
adamc@135 1773 break;
adamc@135 1774 case '&':
adamc@311 1775 uw_write_unsafe(ctx, "&amp;");
adamc@135 1776 break;
adamc@135 1777 default:
adamc@135 1778 if (isprint(c))
adamc@311 1779 uw_writec_unsafe(ctx, c);
adamc@135 1780 else {
adamc@311 1781 uw_write_unsafe(ctx, "&#");
adamc@311 1782 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 1783 uw_writec_unsafe(ctx, ';');
adamc@135 1784 }
adamc@135 1785 }
adamc@135 1786 }
adamc@428 1787
adamc@428 1788 return uw_unit_v;
adamc@135 1789 }
adamc@180 1790
adamc@311 1791 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1792 if (b == uw_Basis_False)
adamc@286 1793 return "False";
adamc@286 1794 else
adamc@286 1795 return "True";
adamc@286 1796 }
adamc@286 1797
adamc@428 1798 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1799 if (b == uw_Basis_False) {
adamc@311 1800 uw_check(ctx, 6);
adamc@666 1801 strcpy(ctx->page.front, "False");
adamc@666 1802 ctx->page.front += 5;
adamc@286 1803 } else {
adamc@311 1804 uw_check(ctx, 5);
adamc@666 1805 strcpy(ctx->page.front, "True");
adamc@666 1806 ctx->page.front += 4;
adamc@286 1807 }
adamc@428 1808
adamc@428 1809 return uw_unit_v;
adamc@286 1810 }
adamc@286 1811
adamc@436 1812 #define TIME_FMT "%x %X"
adamc@438 1813 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 1814
adamc@436 1815 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 1816 size_t len;
adamc@436 1817 char *r;
adamc@436 1818 struct tm stm;
adamc@436 1819
adamc@436 1820 if (localtime_r(&t, &stm)) {
adamc@436 1821 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1822 r = ctx->heap.front;
adamc@436 1823 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1824 ctx->heap.front += len+1;
adamc@436 1825 return r;
adamc@436 1826 } else
adamc@436 1827 return "<i>Invalid time</i>";
adamc@436 1828 }
adamc@436 1829
adamc@436 1830 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 1831 size_t len;
adamc@436 1832 char *r;
adamc@436 1833 struct tm stm;
adamc@436 1834
adamc@436 1835 if (localtime_r(&t, &stm)) {
adamc@436 1836 uw_check(ctx, TIMES_MAX);
adamc@666 1837 r = ctx->page.front;
adamc@436 1838 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1839 ctx->page.front += len;
adamc@436 1840 } else {
adamc@436 1841 uw_check(ctx, 20);
adamc@666 1842 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 1843 ctx->page.front += 19;
adamc@436 1844 }
adamc@436 1845
adamc@436 1846 return uw_unit_v;
adamc@436 1847 }
adamc@436 1848
adamc@821 1849 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1850 if (n >= 0 && n < strlen(s))
adamc@821 1851 return s[n];
adamc@821 1852 else
adamc@821 1853 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 1854 }
adamc@821 1855
adamc@821 1856 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1857 if (n >= 0 && n < strlen(s))
adamc@821 1858 return &s[n];
adamc@821 1859 else
adamc@821 1860 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 1861 }
adamc@821 1862
adamc@828 1863 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 1864 return strlen(s);
adamc@828 1865 }
adamc@828 1866
adamc@829 1867 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1868 return strchr(s, ch);
adamc@829 1869 }
adamc@829 1870
adamc@831 1871 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 1872 return strcspn(s, chs);
adamc@831 1873 }
adamc@831 1874
adamc@829 1875 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1876 uw_Basis_string r = strchr(s, ch);
adamc@829 1877 if (r == NULL)
adamc@829 1878 return NULL;
adamc@829 1879 else {
adamc@829 1880 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 1881 *nr = r - s;
adamc@829 1882 return nr;
adamc@829 1883 }
adamc@829 1884 }
adamc@829 1885
adamc@311 1886 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 1887 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 1888 char *s;
adamc@180 1889
adamc@311 1890 uw_check_heap(ctx, len);
adamc@180 1891
adamc@666 1892 s = ctx->heap.front;
adamc@180 1893
adamc@180 1894 strcpy(s, s1);
adamc@180 1895 strcat(s, s2);
adamc@666 1896 ctx->heap.front += len;
adamc@180 1897
adamc@180 1898 return s;
adamc@180 1899 }
adamc@278 1900
adamc@829 1901 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 1902 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 1903
adamc@829 1904 if (start < 0)
adamc@829 1905 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 1906 if (len < 0)
adamc@829 1907 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 1908 if (start + len > full_len)
adamc@829 1909 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 1910
adamc@829 1911 if (start + len == full_len)
adamc@829 1912 return &s[start];
adamc@829 1913 else {
adamc@829 1914 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 1915 memcpy(r, s+start, len);
adamc@829 1916 r[len] = 0;
adamc@829 1917 return r;
adamc@829 1918 }
adamc@829 1919
adamc@829 1920 }
adamc@829 1921
adamc@737 1922 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 1923 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 1924 char *s;
adamc@278 1925
adamc@311 1926 uw_check_heap(ctx, len);
adamc@278 1927
adamc@666 1928 s = ctx->heap.front;
adamc@278 1929
adamc@278 1930 strcpy(s, s1);
adamc@666 1931 ctx->heap.front += len;
adamc@278 1932
adamc@278 1933 return s;
adamc@278 1934 }
adamc@280 1935
adamc@737 1936 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 1937 if (s1)
adamc@737 1938 return uw_strdup(ctx, s1);
adamc@493 1939 else
adamc@493 1940 return NULL;
adamc@493 1941 }
adamc@493 1942
adamc@742 1943 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 1944 char *r = uw_malloc(ctx, len);
adamc@742 1945 memcpy(r, p, len);
adamc@742 1946 return r;
adamc@742 1947 }
adamc@280 1948
adamc@879 1949 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 1950
adamc@311 1951 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 1952 int len;
adamc@281 1953 char *r;
adamc@281 1954
adamc@311 1955 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 1956 r = ctx->heap.front;
adamc@879 1957 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 1958 ctx->heap.front += len+1;
adamc@281 1959 return r;
adamc@281 1960 }
adamc@281 1961
adamc@467 1962 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 1963 if (n == NULL)
adamc@467 1964 return "NULL";
adamc@467 1965 else
adamc@467 1966 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 1967 }
adamc@467 1968
adamc@879 1969 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 1970
adamc@311 1971 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 1972 int len;
adamc@281 1973 char *r;
adamc@281 1974
adamc@311 1975 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 1976 r = ctx->heap.front;
adamc@879 1977 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 1978 ctx->heap.front += len+1;
adamc@281 1979 return r;
adamc@281 1980 }
adamc@281 1981
adamc@467 1982 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 1983 if (n == NULL)
adamc@467 1984 return "NULL";
adamc@467 1985 else
adamc@467 1986 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 1987 }
adamc@467 1988
adamc@879 1989 int uw_Estrings = 1;
adamc@879 1990 char *uw_sqlsuffixString = "::text";
adamc@281 1991
adamc@311 1992 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 1993 char *r, *s2;
adamc@280 1994
adamc@879 1995 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 1996
adamc@666 1997 r = s2 = ctx->heap.front;
adamc@879 1998 if (uw_Estrings)
adamc@879 1999 *s2++ = 'E';
adamc@280 2000 *s2++ = '\'';
adamc@280 2001
adamc@280 2002 for (; *s; s++) {
adamc@280 2003 char c = *s;
adamc@280 2004
adamc@280 2005 switch (c) {
adamc@280 2006 case '\'':
adamc@885 2007 if (uw_Estrings)
adamc@885 2008 strcpy(s2, "\\'");
adamc@885 2009 else
adamc@885 2010 strcpy(s2, "''");
adamc@280 2011 s2 += 2;
adamc@280 2012 break;
adamc@280 2013 case '\\':
adamc@885 2014 if (uw_Estrings) {
adamc@885 2015 strcpy(s2, "\\\\");
adamc@885 2016 s2 += 2;
adamc@885 2017 } else
adamc@885 2018 *s2++ = '\\';
adamc@280 2019 break;
adamc@280 2020 default:
adamc@280 2021 if (isprint(c))
adamc@280 2022 *s2++ = c;
adamc@879 2023 else if (uw_Estrings) {
adamc@737 2024 sprintf(s2, "\\%03o", c);
adamc@280 2025 s2 += 4;
adamc@280 2026 }
adamc@879 2027 else
adamc@879 2028 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2029 }
adamc@280 2030 }
adamc@280 2031
adamc@879 2032 *s2++ = '\'';
adamc@879 2033 strcpy(s2, uw_sqlsuffixString);
adamc@879 2034 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2035 return r;
adamc@280 2036 }
adamc@281 2037
adamc@879 2038 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2039
adamc@737 2040 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2041 char *r, *s2;
adamc@737 2042 size_t i;
adamc@737 2043
adamc@879 2044 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2045
adamc@737 2046 r = s2 = ctx->heap.front;
adamc@879 2047 if (uw_Estrings)
adamc@879 2048 *s2++ = 'E';
adamc@737 2049 *s2++ = '\'';
adamc@737 2050
adamc@737 2051 for (i = 0; i < b.size; ++i) {
adamc@737 2052 char c = b.data[i];
adamc@737 2053
adamc@737 2054 switch (c) {
adamc@737 2055 case '\'':
adamc@885 2056 if (uw_Estrings)
adamc@885 2057 strcpy(s2, "\\'");
adamc@885 2058 else
adamc@885 2059 strcpy(s2, "''");
adamc@737 2060 s2 += 2;
adamc@737 2061 break;
adamc@737 2062 case '\\':
adamc@885 2063 if (uw_Estrings) {
adamc@885 2064 strcpy(s2, "\\\\\\\\");
adamc@885 2065 s2 += 4;
adamc@885 2066 } else
adamc@885 2067 *s2++ = '\\';
adamc@737 2068 break;
adamc@737 2069 default:
adamc@737 2070 if (isprint(c))
adamc@737 2071 *s2++ = c;
adamc@879 2072 else if (uw_Estrings) {
adamc@737 2073 sprintf(s2, "\\\\%03o", c);
adamc@737 2074 s2 += 5;
adamc@737 2075 }
adamc@879 2076 else
adamc@879 2077 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2078 }
adamc@737 2079 }
adamc@737 2080
adamc@879 2081 *s2++ = '\'';
adamc@879 2082 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2083 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2084 return r;
adamc@737 2085 }
adamc@737 2086
adamc@682 2087 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2088 int len;
adamc@682 2089 char *r;
adamc@682 2090 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2091
adamc@682 2092 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2093 r = ctx->heap.front;
adamc@879 2094 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2095 ctx->heap.front += len+1;
adamc@682 2096 return r;
adamc@682 2097 }
adamc@682 2098
adamc@682 2099 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2100 int len;
adamc@682 2101 char *r;
adamc@682 2102 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2103
adamc@682 2104 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2105 r = ctx->heap.front;
adamc@682 2106 sprintf(r, "%lld%n", combo, &len);
adamc@682 2107 ctx->heap.front += len+1;
adamc@682 2108 return r;
adamc@682 2109 }
adamc@682 2110
adamc@879 2111 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2112
adamc@682 2113 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2114 int len;
adamc@682 2115 char *r;
adamc@682 2116
adamc@682 2117 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2118 r = ctx->heap.front;
adamc@879 2119 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2120 ctx->heap.front += len+1;
adamc@682 2121 return r;
adamc@682 2122 }
adamc@682 2123
adamc@682 2124 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2125 int len;
adamc@682 2126 char *r;
adamc@682 2127
adamc@682 2128 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2129 r = ctx->heap.front;
adamc@682 2130 sprintf(r, "%u%n", cli, &len);
adamc@682 2131 ctx->heap.front += len+1;
adamc@682 2132 return r;
adamc@682 2133 }
adamc@682 2134
adamc@467 2135 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2136 if (s == NULL)
adamc@467 2137 return "NULL";
adamc@467 2138 else
adamc@467 2139 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2140 }
adamc@467 2141
adamc@311 2142 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2143 if (b == uw_Basis_False)
adamc@281 2144 return "FALSE";
adamc@281 2145 else
adamc@281 2146 return "TRUE";
adamc@281 2147 }
adamc@282 2148
adamc@467 2149 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2150 if (b == NULL)
adamc@467 2151 return "NULL";
adamc@467 2152 else
adamc@467 2153 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2154 }
adamc@467 2155
adamc@439 2156 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2157 size_t len;
adamc@682 2158 char *r, *s;
adamc@682 2159 struct tm stm;
adamc@682 2160
adamc@682 2161 if (localtime_r(&t, &stm)) {
adamc@682 2162 s = uw_malloc(ctx, TIMES_MAX);
adamc@939 2163 --stm.tm_hour;
adamc@682 2164 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682 2165 r = uw_malloc(ctx, len + 14);
adamc@682 2166 sprintf(r, "'%s'::timestamp", s);
adamc@682 2167 return r;
adamc@682 2168 } else
adamc@682 2169 return "<Invalid time>";
adamc@682 2170 }
adamc@682 2171
adamc@682 2172 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2173 size_t len;
adamc@439 2174 char *r;
adamc@439 2175 struct tm stm;
adamc@439 2176
adamc@439 2177 if (localtime_r(&t, &stm)) {
adamc@439 2178 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2179 r = ctx->heap.front;
adamc@939 2180 --stm.tm_hour;
adamc@439 2181 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2182 ctx->heap.front += len+1;
adamc@439 2183 return r;
adamc@439 2184 } else
adamc@439 2185 return "<Invalid time>";
adamc@439 2186 }
adamc@439 2187
adamc@467 2188 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2189 if (t == NULL)
adamc@467 2190 return "NULL";
adamc@467 2191 else
adamc@467 2192 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2193 }
adamc@467 2194
adamc@311 2195 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2196 static uw_Basis_int true = 1;
adamc@311 2197 static uw_Basis_int false = 0;
adamc@282 2198
adamc@311 2199 if (b == uw_Basis_False)
adamc@282 2200 return (char *)&false;
adamc@282 2201 else
adamc@282 2202 return (char *)&true;
adamc@282 2203 }
adamc@284 2204
adamc@311 2205 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2206 int len;
adamc@284 2207 char *r;
adamc@284 2208
adamc@311 2209 uw_check_heap(ctx, INTS_MAX);
adamc@666 2210 r = ctx->heap.front;
adamc@284 2211 sprintf(r, "%lld%n", n, &len);
adamc@666 2212 ctx->heap.front += len+1;
adamc@284 2213 return r;
adamc@284 2214 }
adamc@285 2215
adamc@311 2216 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2217 int len;
adamc@285 2218 char *r;
adamc@285 2219
adamc@311 2220 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2221 r = ctx->heap.front;
adamc@285 2222 sprintf(r, "%g%n", n, &len);
adamc@666 2223 ctx->heap.front += len+1;
adamc@285 2224 return r;
adamc@285 2225 }
adamc@285 2226
adamc@821 2227 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2228 char *r = uw_malloc(ctx, 2);
adamc@821 2229 r[0] = ch;
adamc@821 2230 r[1] = 0;
adamc@821 2231 return r;
adamc@821 2232 }
adamc@821 2233
adamc@311 2234 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2235 if (b == uw_Basis_False)
adamc@285 2236 return "False";
adamc@285 2237 else
adamc@285 2238 return "True";
adamc@285 2239 }
adamc@288 2240
adamc@436 2241 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2242 size_t len;
adamc@436 2243 char *r;
adamc@436 2244 struct tm stm;
adamc@436 2245
adamc@436 2246 if (localtime_r(&t, &stm)) {
adamc@436 2247 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2248 r = ctx->heap.front;
adamc@436 2249 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2250 ctx->heap.front += len+1;
adamc@436 2251 return r;
adamc@436 2252 } else
adamc@436 2253 return "<Invalid time>";
adamc@436 2254 }
adamc@288 2255
adamc@311 2256 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2257 char *endptr;
adamc@311 2258 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2259
adamc@288 2260 if (*s != '\0' && *endptr == '\0') {
adamc@311 2261 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2262 *r = n;
adamc@288 2263 return r;
adamc@288 2264 } else
adamc@288 2265 return NULL;
adamc@288 2266 }
adamc@289 2267
adamc@311 2268 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2269 char *endptr;
adamc@311 2270 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2271
adamc@289 2272 if (*s != '\0' && *endptr == '\0') {
adamc@311 2273 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2274 *r = n;
adamc@289 2275 return r;
adamc@289 2276 } else
adamc@289 2277 return NULL;
adamc@289 2278 }
adamc@289 2279
adamc@821 2280 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2281 if (s[0] == 0) {
adamc@821 2282 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2283 r[0] = 0;
adamc@821 2284 return r;
adamc@821 2285 } else if (s[1] != 0)
adamc@821 2286 return NULL;
adamc@821 2287 else {
adamc@821 2288 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2289 r[0] = s[0];
adamc@821 2290 return r;
adamc@821 2291 }
adamc@821 2292 }
adamc@821 2293
adamc@311 2294 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2295 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2296 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2297
adamc@289 2298 if (!strcasecmp (s, "True"))
adamc@289 2299 return &true;
adamc@289 2300 else if (!strcasecmp (s, "False"))
adamc@289 2301 return &false;
adamc@289 2302 else
adamc@289 2303 return NULL;
adamc@289 2304 }
adamc@292 2305
adamc@436 2306 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2307 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2308 struct tm stm;
adamc@436 2309
adamc@439 2310 if (dot) {
adamc@439 2311 *dot = 0;
adamc@439 2312 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2313 *dot = '.';
adamc@439 2314 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2315 *r = mktime(&stm);
adamc@439 2316 return r;
adamc@439 2317 }
adamc@439 2318 else {
adamc@439 2319 *dot = '.';
adamc@439 2320 return NULL;
adamc@439 2321 }
adamc@436 2322 }
adamc@439 2323 else {
adamc@439 2324 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2325 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2326 *r = mktime(&stm);
adamc@439 2327 return r;
adamc@439 2328 }
adamc@439 2329 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2330 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2331 *r = mktime(&stm);
adamc@439 2332 return r;
adamc@439 2333 }
adamc@439 2334 else
adamc@439 2335 return NULL;
adamc@439 2336 }
adamc@436 2337 }
adamc@436 2338
adamc@311 2339 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2340 char *endptr;
adamc@311 2341 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2342
adamc@292 2343 if (*s != '\0' && *endptr == '\0')
adamc@292 2344 return n;
adamc@292 2345 else
adamc@311 2346 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2347 }
adamc@293 2348
adamc@682 2349 #include <errno.h>
adamc@682 2350
adamc@678 2351 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2352 unsigned long long n;
adamc@682 2353
adamc@682 2354 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2355 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2356 else {
adamc@682 2357 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2358 return ch;
adamc@682 2359 }
adamc@682 2360 }
adamc@682 2361
adamc@682 2362 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2363 char *endptr;
adamc@682 2364 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2365
adamc@678 2366 if (*s != '\0' && *endptr == '\0')
adamc@678 2367 return n;
adamc@678 2368 else
adamc@682 2369 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2370 }
adamc@678 2371
adamc@311 2372 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2373 char *endptr;
adamc@311 2374 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2375
adamc@293 2376 if (*s != '\0' && *endptr == '\0')
adamc@293 2377 return n;
adamc@293 2378 else
adamc@311 2379 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2380 }
adamc@293 2381
adamc@821 2382 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2383 if (s[0] == 0)
adamc@821 2384 return 0;
adamc@821 2385 else if (s[1] != 0)
adamc@821 2386 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2387 else
adamc@821 2388 return s[0];
adamc@821 2389 }
adamc@821 2390
adamc@311 2391 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2392 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2393 return uw_Basis_True;
adamc@296 2394 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2395 return uw_Basis_False;
adamc@293 2396 else
adamc@311 2397 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2398 }
adamc@436 2399
adamc@436 2400 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2401 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2402 struct tm stm = {};
adamc@436 2403
adamc@438 2404 if (dot) {
adamc@438 2405 *dot = 0;
adamc@438 2406 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2407 *dot = '.';
adamc@438 2408 return mktime(&stm);
adamc@438 2409 }
adamc@438 2410 else {
adamc@438 2411 *dot = '.';
adamc@438 2412 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2413 }
adamc@438 2414 }
adamc@438 2415 else {
adamc@439 2416 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2417 return mktime(&stm);
adamc@439 2418 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2419 return mktime(&stm);
adamc@438 2420 else
adamc@438 2421 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2422 }
adamc@436 2423 }
adamc@457 2424
adamc@939 2425 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adamc@939 2426 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@939 2427 struct tm stm = {};
adamc@939 2428
adamc@939 2429 if (dot) {
adamc@939 2430 *dot = 0;
adamc@939 2431 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@939 2432 *dot = '.';
adamc@939 2433 --stm.tm_hour;
adamc@939 2434 return mktime(&stm);
adamc@939 2435 }
adamc@939 2436 else {
adamc@939 2437 *dot = '.';
adamc@939 2438 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2439 }
adamc@939 2440 }
adamc@939 2441 else {
adamc@939 2442 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@939 2443 --stm.tm_hour;
adamc@939 2444 return mktime(&stm);
adamc@939 2445 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@939 2446 --stm.tm_hour;
adamc@939 2447 return mktime(&stm);
adamc@939 2448 } else
adamc@939 2449 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2450 }
adamc@939 2451 }
adamc@939 2452
adamc@742 2453 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2454 char *r = ctx->heap.front;
adamc@742 2455 uw_Basis_blob b = {len, r};
adamc@742 2456
adamc@742 2457 uw_check_heap(ctx, len);
adamc@742 2458
adamc@742 2459 while (*s) {
adamc@742 2460 if (s[0] == '\\') {
adamc@742 2461 if (s[1] == '\\') {
adamc@742 2462 *r++ = '\\';
adamc@742 2463 s += 2;
adamc@742 2464 } else if (isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) {
adamc@742 2465 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2466 s += 4;
adamc@742 2467 }
adamc@742 2468 else {
adamc@742 2469 *r++ = '\\';
adamc@742 2470 ++s;
adamc@742 2471 }
adamc@742 2472 } else {
adamc@742 2473 *r++ = s[0];
adamc@742 2474 ++s;
adamc@742 2475 }
adamc@742 2476 }
adamc@742 2477
adamc@742 2478 b.size = r - ctx->heap.front;
adamc@742 2479 ctx->heap.front = r;
adamc@742 2480 return b;
adamc@742 2481 }
adamc@742 2482
adamc@463 2483 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2484 int len = strlen(c);
adamc@854 2485 char *p = ctx->outHeaders.start;
adamc@474 2486
adamc@474 2487 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474 2488 char *p2;
adamc@474 2489 p += 13;
adamc@474 2490 p2 = strchr(p, '=');
adamc@474 2491
adamc@474 2492 if (p2) {
adamc@474 2493 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2494
adamc@474 2495 if (!strncasecmp(p, c, p2 - p)) {
adamc@474 2496 char *ret = uw_malloc(ctx, sz + 1);
adamc@474 2497 memcpy(ret, p2+1, sz);
adamc@474 2498 ret[sz] = 0;
adamc@474 2499 return ret;
adamc@474 2500 }
adamc@474 2501 }
adamc@474 2502 }
adamc@463 2503
adamc@854 2504 if (p = uw_Basis_requestHeader(ctx, "Cookie")) {
adamc@854 2505 while (1) {
adamc@854 2506 if (!strncmp(p, c, len) && p[len] == '=')
adamc@854 2507 return p + 1 + len;
adamc@854 2508 else if (p = strchr(p, ';'))
adamc@854 2509 p += 2;
adamc@463 2510 else
adamc@463 2511 return NULL;
adamc@463 2512 }
adamc@463 2513 }
adamc@792 2514
adamc@792 2515 return NULL;
adamc@457 2516 }
adamc@462 2517
adamc@466 2518 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
adamc@462 2519 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2520 uw_write_header(ctx, c);
adamc@462 2521 uw_write_header(ctx, "=");
adamc@462 2522 uw_write_header(ctx, v);
adamc@466 2523 uw_write_header(ctx, "; path=");
adamc@466 2524 uw_write_header(ctx, prefix);
adamc@462 2525 uw_write_header(ctx, "\r\n");
adamc@462 2526
adamc@462 2527 return uw_unit_v;
adamc@462 2528 }
adamc@667 2529
adamc@682 2530 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2531 unsigned i;
adamc@682 2532 delta *d;
adamc@671 2533
adamc@682 2534 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2535 if (ctx->deltas[i].client == client)
adamc@682 2536 return &ctx->deltas[i];
adamc@671 2537
adamc@682 2538 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@682 2539 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@682 2540 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2541 }
adamc@671 2542
adamc@682 2543 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2544 d->client = client;
adamc@682 2545 buf_reset(&d->msgs);
adamc@682 2546 return d;
adamc@671 2547 }
adamc@671 2548
adamc@668 2549 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2550 if (ctx->client == NULL)
adamc@682 2551 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2552
adamc@682 2553 return new_channel(ctx->client);
adamc@668 2554 }
adamc@668 2555
adamc@668 2556 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 2557 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 2558 size_t len;
adamc@682 2559 int preLen;
adamc@682 2560 char pre[INTS_MAX + 2];
adamc@668 2561
adamc@682 2562 len = strlen(msg);
adamc@682 2563
adamc@682 2564 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 2565
adamc@682 2566 buf_append(&d->msgs, pre, preLen);
adamc@682 2567 buf_append(&d->msgs, msg, len);
adamc@682 2568 buf_append(&d->msgs, "\n", 1);
adamc@671 2569
adamc@671 2570 return uw_unit_v;
adamc@668 2571 }
adamc@671 2572
adamc@671 2573 int uw_db_commit(uw_context);
adamc@671 2574 int uw_db_rollback(uw_context);
adamc@671 2575
adamc@671 2576 void uw_commit(uw_context ctx) {
adamc@682 2577 unsigned i;
adamc@671 2578
adamc@771 2579 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2580 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2581 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2582
adamc@771 2583 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2584 if (ctx->transactionals[i].rollback == NULL)
adamc@771 2585 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2586
adamc@771 2587 if (uw_db_commit(ctx))
adamc@671 2588 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@682 2589
adamc@682 2590 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 2591 delta *d = &ctx->deltas[i];
adamc@682 2592 client *c = find_client(d->client);
adamc@682 2593
adamc@682 2594 assert (c != NULL && c->mode == USED);
adamc@682 2595
adamc@685 2596 client_send(c, &d->msgs);
adamc@682 2597 }
adamc@682 2598
adamc@682 2599 if (ctx->client)
adamc@685 2600 release_client(ctx->client);
adamc@771 2601
adamc@771 2602 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2603 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@916 2604
adamc@916 2605 // Splice script data into appropriate part of page
adamc@921 2606 if (ctx->returning_blob || ctx->script_header[0] == 0)
adamc@916 2607 ;
adamc@916 2608 else if (buf_used(&ctx->script) == 0) {
adamc@916 2609 size_t len = strlen(ctx->script_header);
adamc@916 2610 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2611 if (start) {
adamc@916 2612 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 2613 start = strstr(ctx->page.start, "<sc>");
adamc@916 2614 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2615 ctx->page.front += len - 4;
adamc@916 2616 memcpy(start, ctx->script_header, len);
adamc@916 2617 }
adamc@916 2618 } else {
adamc@916 2619 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 2620 size_t lenP = lenH + 40 + len;
adamc@916 2621 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2622 if (start) {
adamc@916 2623 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 2624 start = strstr(ctx->page.start, "<sc>");
adamc@916 2625 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2626 ctx->page.front += lenP - 4;
adamc@916 2627 memcpy(start, ctx->script_header, lenH);
adamc@916 2628 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 2629 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 2630 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 2631 }
adamc@916 2632 }
adamc@671 2633 }
adamc@671 2634
adamc@671 2635 int uw_rollback(uw_context ctx) {
adamc@771 2636 size_t i;
adamc@885 2637 cleanup *cl;
adamc@771 2638
adamc@682 2639 if (ctx->client)
adamc@685 2640 release_client(ctx->client);
adamc@671 2641
adamc@885 2642 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@885 2643 cl->func(cl->arg);
adamc@885 2644
adamc@885 2645 ctx->cleanup_front = ctx->cleanup;
adamc@885 2646
adamc@771 2647 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2648 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2649 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@771 2650
adamc@771 2651 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2652 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@771 2653
adamc@671 2654 return uw_db_rollback(ctx);
adamc@671 2655 }
adamc@683 2656
adamc@771 2657 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adamc@771 2658 uw_callback free) {
adamc@771 2659 if (commit == NULL)
adamc@771 2660 uw_error(ctx, FATAL, "uw_register_transactional: NULL commit callback");
adamc@771 2661
adamc@771 2662 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@771 2663 ctx->transactionals = realloc(ctx->transactionals, ctx->used_transactionals+1);
adamc@771 2664 ++ctx->n_transactionals;
adamc@771 2665 }
adamc@771 2666
adamc@771 2667 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 2668 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 2669 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 2670 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 2671 }
adamc@771 2672
adamc@683 2673
adamc@683 2674 // "Garbage collection"
adamc@683 2675
adamc@683 2676 void uw_expunger(uw_context ctx, uw_Basis_client cli);
adamc@683 2677
adamc@683 2678 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
adamc@683 2679 int r = setjmp(ctx->jmp_buf);
adamc@683 2680
adamc@684 2681 if (r == 0) {
adamc@684 2682 if (uw_db_begin(ctx))
adamc@684 2683 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@683 2684 uw_expunger(ctx, cli);
adamc@684 2685 if (uw_db_commit(ctx))
adamc@684 2686 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@684 2687 }
adamc@683 2688
adamc@683 2689 return r;
adamc@683 2690 }
adamc@683 2691
adamc@683 2692 void uw_prune_clients(uw_context ctx) {
adamc@683 2693 client *c, *next, *prev = NULL;
adamc@683 2694 time_t cutoff;
adamc@683 2695
adamc@683 2696 cutoff = time(NULL) - uw_timeout;
adamc@683 2697
adamc@683 2698 pthread_mutex_lock(&clients_mutex);
adamc@683 2699
adamc@683 2700 for (c = clients_used; c; c = next) {
adamc@683 2701 next = c->next;
adamc@683 2702 pthread_mutex_lock(&c->lock);
adamc@685 2703 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 2704 failure_kind fk = UNLIMITED_RETRY;
adamc@683 2705 if (prev)
adamc@683 2706 prev->next = next;
adamc@683 2707 else
adamc@683 2708 clients_used = next;
adamc@684 2709 uw_reset(ctx);
adamc@683 2710 while (fk == UNLIMITED_RETRY) {
adamc@683 2711 fk = uw_expunge(ctx, c->id);
adamc@684 2712 if (fk == UNLIMITED_RETRY) {
adamc@684 2713 uw_db_rollback(ctx);
adamc@684 2714 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 2715 }
adamc@683 2716 }
adamc@684 2717 if (fk == SUCCESS)
adamc@684 2718 free_client(c);
adamc@684 2719 else {
adamc@684 2720 uw_db_rollback(ctx);
adamc@856 2721 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@684 2722 }
adamc@683 2723 }
adamc@683 2724 else
adamc@683 2725 prev = c;
adamc@683 2726 pthread_mutex_unlock(&c->lock);
adamc@683 2727 }
adamc@683 2728
adamc@683 2729 pthread_mutex_unlock(&clients_mutex);
adamc@683 2730 }
adamc@687 2731
adamc@687 2732 void uw_initializer(uw_context ctx);
adamc@687 2733
adamc@687 2734 failure_kind uw_initialize(uw_context ctx) {
adamc@687 2735 int r = setjmp(ctx->jmp_buf);
adamc@687 2736
adamc@687 2737 if (r == 0) {
adamc@687 2738 if (uw_db_begin(ctx))
adamc@687 2739 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@687 2740 uw_initializer(ctx);
adamc@687 2741 if (uw_db_commit(ctx))
adamc@687 2742 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 2743 }
adamc@687 2744
adamc@687 2745 return r;
adamc@687 2746 }
adamc@717 2747
adamc@770 2748 extern int uw_check_url(const char *);
adamc@770 2749 extern int uw_check_mime(const char *);
adamc@770 2750
adamc@717 2751 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@770 2752 if (uw_check_url(s))
adamc@770 2753 return s;
adamc@770 2754 else
adamc@770 2755 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 2756 }
adamc@734 2757
adamc@770 2758 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@770 2759 if (uw_check_url(s))
adamc@770 2760 return s;
adamc@770 2761 else
adamc@770 2762 return NULL;
adamc@770 2763 }
adamc@770 2764
adamc@770 2765 int mime_format(const char *s) {
adamc@770 2766 for (; *s; ++s)
adamc@770 2767 if (!isalnum(*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 2768 return 0;
adamc@770 2769
adamc@770 2770 return 1;
adamc@770 2771 }
adamc@770 2772
adamc@741 2773 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2774 if (!mime_format(s))
adamc@770 2775 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 2776
adamc@770 2777 if (uw_check_mime(s))
adamc@770 2778 return s;
adamc@770 2779 else
adamc@770 2780 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 2781 }
adamc@770 2782
adamc@770 2783 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2784 if (!mime_format(s))
adamc@770 2785 return NULL;
adamc@770 2786
adamc@770 2787 if (uw_check_mime(s))
adamc@770 2788 return s;
adamc@770 2789 else
adamc@770 2790 return NULL;
adamc@741 2791 }
adamc@741 2792
adamc@734 2793 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 2794 return s ? s : "";
adamc@734 2795 }
adamc@734 2796
adamc@734 2797 extern int uw_hash_blocksize;
adamc@734 2798
adamc@734 2799 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 2800 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 2801 int i;
adamc@734 2802
adamc@734 2803 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 2804 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 2805
adamc@734 2806 return r;
adamc@734 2807 }
adamc@734 2808
adamc@734 2809 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@734 2810 return uw_cookie_sig(ctx);
adamc@734 2811 }
adamc@737 2812
adamc@737 2813 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 2814 return f.name;
adamc@737 2815 }
adamc@737 2816
adamc@740 2817 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 2818 return f.type;
adamc@740 2819 }
adamc@740 2820
adamc@745 2821 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 2822 return b.size;
adamc@745 2823 }
adamc@745 2824
adamc@737 2825 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 2826 return f.data;
adamc@737 2827 }
adamc@741 2828
adamc@741 2829 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 2830 cleanup *cl;
adamc@741 2831 int len;
adamc@741 2832
adamc@921 2833 ctx->returning_blob = 1;
adamc@741 2834 buf_reset(&ctx->outHeaders);
adamc@741 2835 buf_reset(&ctx->page);
adamc@741 2836
adamc@856 2837 uw_write_header(ctx, on_success);
adamc@856 2838 uw_write_header(ctx, "Content-Type: ");
adamc@741 2839 uw_write_header(ctx, mimeType);
adamc@741 2840 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@741 2841 buf_check(&ctx->outHeaders, INTS_MAX);
adamc@741 2842 sprintf(ctx->outHeaders.front, "%d%n", b.size, &len);
adamc@741 2843 ctx->outHeaders.front += len;
adamc@741 2844 uw_write_header(ctx, "\r\n");
adamc@741 2845
adamc@741 2846 buf_append(&ctx->page, b.data, b.size);
adamc@741 2847
adamc@741 2848 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 2849 cl->func(cl->arg);
adamc@741 2850
adamc@741 2851 ctx->cleanup_front = ctx->cleanup;
adamc@741 2852
adamc@741 2853 longjmp(ctx->jmp_buf, RETURN_BLOB);
adamc@741 2854 }
adamc@874 2855
adamc@874 2856 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 2857 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 2858
adamc@874 2859 for (; *s; ++s) {
adamc@874 2860 if (s[0] == '\'') {
adamc@874 2861 *r++ = '\'';
adamc@874 2862 for (++s; *s; ++s) {
adamc@874 2863 if (s[0] == '\'') {
adamc@874 2864 *r++ = '\'';
adamc@874 2865 break;
adamc@874 2866 } else if (s[0] == '\\') {
adamc@874 2867 if (s[1] == '\\') {
adamc@874 2868 *r++ = '\\';
adamc@874 2869 *r++ = '\\';
adamc@874 2870 ++s;
adamc@874 2871 } else if (s[1] == '\'') {
adamc@874 2872 *r++ = '\\';
adamc@874 2873 *r++ = '\'';
adamc@874 2874 ++s;
adamc@874 2875 } else
adamc@874 2876 *r++ = '\'';
adamc@874 2877 } else
adamc@874 2878 *r++ = s[0];
adamc@874 2879 }
adamc@874 2880 if (*s == 0) break;
adamc@874 2881 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 2882 ++s;
adamc@874 2883 else
adamc@874 2884 *r++ = s[0];
adamc@874 2885 }
adamc@874 2886
adamc@874 2887 return r;
adamc@874 2888 }
adamc@874 2889
adamc@922 2890 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 2891 va_list ap;
adamc@922 2892 size_t len = 1;
adamc@922 2893 char *s, *r, *s2;
adamc@922 2894
adamc@922 2895 va_start(ap, ctx);
adamc@922 2896 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 2897 len += strlen(s);
adamc@922 2898 va_end(ap);
adamc@922 2899
adamc@922 2900 r = uw_malloc(ctx, len);
adamc@922 2901 va_start(ap, ctx);
adamc@922 2902 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 2903 while (*s)
adamc@922 2904 *s2++ = *s++;
adamc@922 2905 va_end(ap);
adamc@922 2906 *s2 = 0;
adamc@922 2907
adamc@922 2908 return r;
adamc@922 2909 }