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annotate src/c/request.c @ 1378:461250eb24a2

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Add a note about Explify to the manual
author Adam Chlipala <adam@chlipala.net>
date Sun, 02 Jan 2011 11:40:08 -0500
parents 4e5ca2a77a4d
children 76514ddf3a97
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@853 3 #include <stdio.h>
adamc@853 4 #include <string.h>
adamc@853 5 #include <stdlib.h>
adamc@853 6 #include <sys/types.h>
adamc@853 7 #include <sys/socket.h>
adamc@853 8 #include <netinet/in.h>
adamc@853 9 #include <unistd.h>
adamc@853 10 #include <signal.h>
adamc@853 11
adamc@853 12 #include <pthread.h>
adamc@853 13
adamc@853 14 #include <mhash.h>
adamc@853 15
adamc@853 16 #include "urweb.h"
adamc@853 17
adamc@853 18 #define MAX_RETRIES 5
adamc@853 19
adamc@1152 20 void *memmem(const void *b1, size_t len1, const void *b2, size_t len2);
adamc@1152 21
adam@1327 22 static int try_rollback(uw_context ctx, int will_retry, void *logger_data, uw_logger log_error) {
adam@1327 23 int r = uw_rollback(ctx, will_retry);
adamc@853 24
adamc@853 25 if (r) {
adamc@856 26 log_error(logger_data, "Error running SQL ROLLBACK\n");
adamc@853 27 uw_reset(ctx);
adamc@1115 28 uw_write(ctx, "HTTP/1.1 500 Internal Server Error\r\n");
adamc@853 29 uw_write(ctx, "Content-type: text/plain\r\n\r\n");
adamc@853 30 uw_write(ctx, "Error running SQL ROLLBACK\n");
adamc@1115 31 uw_set_error_message(ctx, "Database error; you are probably out of storage space.");
adamc@853 32 }
adamc@853 33
adamc@853 34 return r;
adamc@853 35 }
adamc@853 36
adamc@1094 37 uw_context uw_request_new_context(uw_app *app, void *logger_data, uw_logger log_error, uw_logger log_debug) {
adam@1334 38 uw_context ctx = uw_init(logger_data, log_debug);
adamc@853 39 int retries_left = MAX_RETRIES;
adamc@1094 40 uw_set_app(ctx, app);
adamc@853 41
adamc@853 42 while (1) {
adamc@853 43 failure_kind fk = uw_begin_init(ctx);
adamc@853 44
adamc@853 45 if (fk == SUCCESS) {
adamc@856 46 log_debug(logger_data, "Database connection initialized.\n");
adamc@853 47 break;
adamc@853 48 } else if (fk == BOUNDED_RETRY) {
adamc@853 49 if (retries_left) {
adamc@856 50 log_debug(logger_data, "Initialization error triggers bounded retry: %s\n", uw_error_message(ctx));
adamc@853 51 --retries_left;
adamc@853 52 } else {
adamc@856 53 log_error(logger_data, "Fatal initialization error (out of retries): %s\n", uw_error_message(ctx));
adamc@853 54 uw_free(ctx);
adamc@853 55 return NULL;
adamc@853 56 }
adamc@853 57 } else if (fk == UNLIMITED_RETRY)
adamc@856 58 log_debug(logger_data, "Initialization error triggers unlimited retry: %s\n", uw_error_message(ctx));
adamc@853 59 else if (fk == FATAL) {
adamc@856 60 log_error(logger_data, "Fatal initialization error: %s\n", uw_error_message(ctx));
adamc@853 61 uw_free(ctx);
adamc@853 62 return NULL;
adamc@853 63 } else {
adamc@856 64 log_error(logger_data, "Unknown uw_begin_init return code!\n");
adamc@853 65 uw_free(ctx);
adamc@853 66 return NULL;
adamc@853 67 }
adamc@853 68 }
adamc@853 69
adamc@853 70 return ctx;
adamc@853 71 }
adamc@853 72
adam@1308 73 static void *ticker(void *data) {
adam@1308 74 while (1) {
adam@1308 75 usleep(100000);
adam@1308 76 ++uw_time;
adam@1308 77 }
adam@1308 78
adam@1308 79 return NULL;
adam@1308 80 }
adam@1308 81
adam@1349 82 typedef struct {
adam@1349 83 uw_app *app;
adam@1349 84 void *logger_data;
adam@1349 85 uw_logger log_error, log_debug;
adam@1349 86 } loggers;
adam@1349 87
adam@1349 88 typedef struct {
adam@1349 89 loggers *ls;
adam@1349 90 uw_periodic pdic;
adam@1349 91 } periodic;
adam@1349 92
adam@1349 93 static void *periodic_loop(void *data) {
adam@1349 94 periodic *p = (periodic *)data;
adam@1349 95 uw_context ctx = uw_request_new_context(p->ls->app, p->ls->logger_data, p->ls->log_error, p->ls->log_debug);
adam@1349 96
adam@1349 97 if (!ctx)
adam@1349 98 exit(1);
adam@1349 99
adam@1349 100 while (1) {
adam@1349 101 failure_kind r;
adam@1349 102 do {
adam@1349 103 r = uw_runCallback(ctx, p->pdic.callback);
adam@1349 104 } while (r == UNLIMITED_RETRY);
adam@1349 105
adam@1349 106 sleep(p->pdic.period);
adam@1349 107 };
adam@1349 108 }
adam@1349 109
adamc@1094 110 void uw_request_init(uw_app *app, void *logger_data, uw_logger log_error, uw_logger log_debug) {
adamc@853 111 uw_context ctx;
adamc@853 112 failure_kind fk;
adam@1349 113 uw_periodic *ps;
adam@1349 114 loggers *ls = malloc(sizeof(loggers));
adam@1349 115
adam@1349 116 ls->app = app;
adam@1349 117 ls->logger_data = logger_data;
adam@1349 118 ls->log_error = log_error;
adam@1349 119 ls->log_debug = log_debug;
adamc@853 120
adamc@853 121 uw_global_init();
adamc@1094 122 uw_app_init(app);
adamc@853 123
adam@1308 124 {
adam@1308 125 pthread_t thread;
adam@1308 126
adam@1308 127 if (uw_time_max && pthread_create(&thread, NULL, ticker, NULL)) {
adam@1308 128 fprintf(stderr, "Error creating ticker thread\n");
adam@1308 129 exit(1);
adam@1308 130 }
adam@1308 131 }
adam@1308 132
adamc@1094 133 ctx = uw_request_new_context(app, logger_data, log_error, log_debug);
adamc@853 134
adamc@853 135 if (!ctx)
adamc@853 136 exit(1);
adamc@853 137
adamc@853 138 for (fk = uw_initialize(ctx); fk == UNLIMITED_RETRY; fk = uw_initialize(ctx)) {
adamc@856 139 log_debug(logger_data, "Unlimited retry during init: %s\n", uw_error_message(ctx));
adam@1327 140 uw_rollback(ctx, 1);
adamc@853 141 uw_reset(ctx);
adamc@853 142 }
adamc@853 143
adamc@853 144 if (fk != SUCCESS) {
adamc@856 145 log_error(logger_data, "Failed to initialize database! %s\n", uw_error_message(ctx));
adam@1327 146 uw_rollback(ctx, 0);
adamc@853 147 exit(1);
adamc@853 148 }
adamc@853 149
adamc@853 150 uw_free(ctx);
adam@1349 151
adam@1349 152 for (ps = app->periodics; ps->callback; ++ps) {
adam@1349 153 pthread_t thread;
adam@1349 154 periodic *arg = malloc(sizeof(periodic));
adam@1349 155 arg->ls = ls;
adam@1349 156 arg->pdic = *ps;
adam@1349 157
adam@1349 158 if (pthread_create(&thread, NULL, periodic_loop, arg)) {
adam@1349 159 fprintf(stderr, "Error creating periodic thread\n");
adam@1349 160 exit(1);
adam@1349 161 }
adam@1349 162 }
adamc@853 163 }
adamc@853 164
adamc@853 165
adamc@853 166 typedef struct uw_rc {
adam@1370 167 size_t path_copy_size, queryString_size;
adam@1370 168 char *path_copy, *queryString;
adamc@853 169 } *uw_request_context;
adamc@853 170
adamc@853 171 uw_request_context uw_new_request_context(void) {
adamc@853 172 uw_request_context r = malloc(sizeof(struct uw_rc));
adam@1371 173 r->path_copy_size = 0;
adam@1371 174 r->queryString_size = 1;
adamc@853 175 r->path_copy = malloc(0);
adam@1371 176 r->queryString = malloc(1);
adamc@853 177 return r;
adamc@853 178 }
adamc@853 179
adamc@853 180 void uw_free_request_context(uw_request_context r) {
adamc@853 181 free(r->path_copy);
adam@1370 182 free(r->queryString);
adamc@853 183 free(r);
adamc@853 184 }
adamc@853 185
adamc@854 186 request_result uw_request(uw_request_context rc, uw_context ctx,
adamc@854 187 char *method, char *path, char *query_string,
adamc@854 188 char *body, size_t body_len,
adamc@856 189 void (*on_success)(uw_context), void (*on_failure)(uw_context),
adamc@856 190 void *logger_data, uw_logger log_error, uw_logger log_debug,
adamc@863 191 int sock,
adamc@863 192 int (*send)(int sockfd, const void *buf, size_t len),
adamc@863 193 int (*close)(int fd)) {
adamc@853 194 int retries_left = MAX_RETRIES;
adamc@853 195 failure_kind fk;
adamc@1134 196 int is_post = 0;
adamc@853 197 char *boundary = NULL;
adamc@1134 198 size_t boundary_len = 0;
adamc@854 199 char *inputs;
adamc@1094 200 const char *prefix = uw_get_url_prefix(ctx);
adamc@1169 201 char *s;
adam@1294 202 int had_error = 0;
adam@1294 203 char errmsg[ERROR_BUF_LEN];
adamc@1169 204
adam@1371 205 rc->queryString[0] = 0;
adam@1371 206
adamc@1169 207 for (s = path; *s; ++s) {
adamc@1169 208 if (s[0] == '%' && s[1] == '2' && s[2] == '7') {
adamc@1169 209 s[0] = '\'';
adamc@1169 210 memmove(s+1, s+3, strlen(s+3)+1);
adamc@1169 211 }
adamc@1169 212 }
adamc@853 213
adamc@1066 214 uw_set_currentUrl(ctx, path);
adamc@1066 215
adamc@854 216 if (!strcmp(method, "POST")) {
adamc@853 217 char *clen_s = uw_Basis_requestHeader(ctx, "Content-length");
adamc@853 218 if (!clen_s) {
adamc@1037 219 clen_s = "0";
adamc@1037 220 /*log_error(logger_data, "No Content-length with POST\n");
adamc@1037 221 return FAILED;*/
adamc@853 222 }
adamc@853 223 int clen = atoi(clen_s);
adamc@853 224 if (clen < 0) {
adamc@856 225 log_error(logger_data, "Negative Content-length with POST\n");
adamc@853 226 return FAILED;
adamc@853 227 }
adamc@853 228
adamc@854 229 if (body_len < clen) {
adamc@856 230 log_error(logger_data, "Request doesn't contain all POST data (according to Content-Length)\n");
adamc@853 231 return FAILED;
adamc@853 232 }
adamc@853 233
adamc@853 234 is_post = 1;
adamc@853 235
adamc@853 236 clen_s = uw_Basis_requestHeader(ctx, "Content-type");
adamc@853 237 if (clen_s && !strncasecmp(clen_s, "multipart/form-data", 19)) {
adamc@853 238 if (strncasecmp(clen_s + 19, "; boundary=", 11)) {
adamc@856 239 log_error(logger_data, "Bad multipart boundary spec");
adamc@853 240 return FAILED;
adamc@853 241 }
adamc@853 242
adamc@853 243 boundary = clen_s + 28;
adamc@853 244 boundary[0] = '-';
adamc@853 245 boundary[1] = '-';
adamc@853 246 boundary_len = strlen(boundary);
adam@1347 247 } else if (clen_s && strcasecmp(clen_s, "application/x-www-form-urlencoded")) {
adam@1347 248 uw_Basis_postBody pb = {clen_s, body};
adam@1347 249 uw_postBody(ctx, pb);
adamc@853 250 }
adamc@854 251 } else if (strcmp(method, "GET")) {
adamc@856 252 log_error(logger_data, "Not ready for non-GET/POST command: %s\n", method);
adamc@853 253 return FAILED;
adamc@853 254 }
adamc@853 255
adamc@1094 256 if (!strncmp(path, prefix, strlen(prefix))
adamc@1094 257 && !strcmp(path + strlen(prefix), ".msgs")) {
adamc@853 258 char *id = uw_Basis_requestHeader(ctx, "UrWeb-Client");
adamc@853 259 char *pass = uw_Basis_requestHeader(ctx, "UrWeb-Pass");
adamc@853 260
adamc@853 261 if (sock < 0) {
adamc@856 262 log_error(logger_data, ".msgs requested, but not socket supplied\n");
adamc@853 263 return FAILED;
adamc@853 264 }
adamc@853 265
adamc@853 266 if (id && pass) {
adamc@853 267 unsigned idn = atoi(id);
adamc@864 268 uw_client_connect(idn, atoi(pass), sock, send, close, logger_data, log_error);
adam@1320 269 log_debug(logger_data, "Processed request for messages by client %u\n\n", idn);
adamc@853 270 return KEEP_OPEN;
adamc@853 271 }
adamc@853 272 else {
adamc@856 273 log_error(logger_data, "Missing fields in .msgs request: %s, %s\n\n", id, pass);
adamc@853 274 return FAILED;
adamc@853 275 }
adamc@853 276 }
adamc@853 277
adamc@853 278 if (boundary) {
adamc@854 279 char *part = body, *after_sub_headers, *header, *after_header;
adamc@853 280 size_t part_len;
adamc@853 281
adamc@853 282 part = strstr(part, boundary);
adamc@853 283 if (!part) {
adamc@856 284 log_error(logger_data, "Missing first multipart boundary\n");
adamc@853 285 return FAILED;
adamc@853 286 }
adamc@853 287 part += boundary_len;
adamc@853 288
adamc@853 289 while (1) {
adamc@853 290 char *name = NULL, *filename = NULL, *type = NULL;
adamc@853 291
adamc@853 292 if (part[0] == '-' && part[1] == '-')
adamc@853 293 break;
adamc@853 294
adamc@853 295 if (*part != '\r') {
adamc@856 296 log_error(logger_data, "No \\r after multipart boundary\n");
adamc@853 297 return FAILED;
adamc@853 298 }
adamc@853 299 ++part;
adamc@853 300 if (*part != '\n') {
adamc@856 301 log_error(logger_data, "No \\n after multipart boundary\n");
adamc@853 302 return FAILED;
adamc@853 303 }
adamc@853 304 ++part;
adamc@853 305
adamc@853 306 if (!(after_sub_headers = strstr(part, "\r\n\r\n"))) {
adamc@856 307 log_error(logger_data, "Missing end of headers after multipart boundary\n");
adamc@853 308 return FAILED;
adamc@853 309 }
adamc@853 310 after_sub_headers[2] = 0;
adamc@853 311 after_sub_headers += 4;
adamc@853 312
adamc@1134 313 for (header = part; (after_header = strstr(header, "\r\n")); header = after_header + 2) {
adamc@853 314 char *colon, *after_colon;
adamc@853 315
adamc@853 316 *after_header = 0;
adamc@853 317 if (!(colon = strchr(header, ':'))) {
adamc@856 318 log_error(logger_data, "Missing colon in multipart sub-header\n");
adamc@853 319 return FAILED;
adamc@853 320 }
adamc@853 321 *colon++ = 0;
adamc@853 322 if (*colon++ != ' ') {
adamc@856 323 log_error(logger_data, "No space after colon in multipart sub-header\n");
adamc@853 324 return FAILED;
adamc@853 325 }
adamc@853 326
adamc@853 327 if (!strcasecmp(header, "Content-Disposition")) {
adamc@853 328 if (strncmp(colon, "form-data; ", 11)) {
adamc@856 329 log_error(logger_data, "Multipart data is not \"form-data\"\n");
adamc@853 330 return FAILED;
adamc@853 331 }
adamc@853 332
adamc@1134 333 for (colon += 11; (after_colon = strchr(colon, '=')); colon = after_colon) {
adamc@853 334 char *data;
adamc@853 335 after_colon[0] = 0;
adamc@853 336 if (after_colon[1] != '"') {
adamc@856 337 log_error(logger_data, "Disposition setting is missing initial quote\n");
adamc@853 338 return FAILED;
adamc@853 339 }
adamc@853 340 data = after_colon+2;
adamc@853 341 if (!(after_colon = strchr(data, '"'))) {
adamc@856 342 log_error(logger_data, "Disposition setting is missing final quote\n");
adamc@853 343 return FAILED;
adamc@853 344 }
adamc@853 345 after_colon[0] = 0;
adamc@853 346 ++after_colon;
adamc@853 347 if (after_colon[0] == ';' && after_colon[1] == ' ')
adamc@853 348 after_colon += 2;
adamc@853 349
adamc@853 350 if (!strcasecmp(colon, "name"))
adamc@853 351 name = data;
adamc@853 352 else if (!strcasecmp(colon, "filename"))
adamc@853 353 filename = data;
adamc@853 354 }
adamc@853 355 } else if (!strcasecmp(header, "Content-Type")) {
adamc@853 356 type = colon;
adamc@853 357 }
adamc@853 358 }
adamc@853 359
adamc@854 360 part = memmem(after_sub_headers, body + body_len - after_sub_headers, boundary, boundary_len);
adamc@853 361 if (!part) {
adamc@856 362 log_error(logger_data, "Missing boundary after multipart payload\n");
adamc@853 363 return FAILED;
adamc@853 364 }
adamc@853 365 part[-2] = 0;
adamc@853 366 part_len = part - after_sub_headers - 2;
adamc@853 367 part[0] = 0;
adamc@853 368 part += boundary_len;
adamc@853 369
adamc@853 370 if (filename) {
adamc@853 371 uw_Basis_file f = {filename, type, {part_len, after_sub_headers}};
adamc@853 372
adamc@853 373 if (uw_set_file_input(ctx, name, f)) {
adamc@856 374 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 375 return FAILED;
adamc@853 376 }
adamc@853 377 } else if (uw_set_input(ctx, name, after_sub_headers)) {
adamc@856 378 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 379 return FAILED;
adamc@853 380 }
adamc@853 381 }
adamc@853 382 }
adam@1347 383 else if (!uw_hasPostBody(ctx)) {
adamc@854 384 inputs = is_post ? body : query_string;
adamc@853 385
adamc@853 386 if (inputs) {
adamc@853 387 char *name, *value;
adam@1370 388 int len = strlen(inputs);
adam@1370 389
adam@1370 390 if (len+1 > rc->queryString_size) {
adam@1370 391 rc->queryString_size = len+1;
adam@1370 392 rc->queryString = realloc(rc->queryString, len+1);
adam@1370 393 }
adam@1370 394 strcpy(rc->queryString, inputs);
adamc@853 395
adamc@853 396 while (*inputs) {
adamc@853 397 name = inputs;
adamc@1134 398 if ((inputs = strchr(inputs, '&')))
adamc@853 399 *inputs++ = 0;
adamc@853 400 else
adamc@853 401 inputs = strchr(name, 0);
adamc@853 402
adamc@1134 403 if ((value = strchr(name, '='))) {
adamc@853 404 *value++ = 0;
adamc@853 405 if (uw_set_input(ctx, name, value)) {
adamc@856 406 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 407 return FAILED;
adamc@853 408 }
adamc@853 409 }
adamc@853 410 else if (uw_set_input(ctx, name, "")) {
adamc@856 411 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 412 return FAILED;
adamc@853 413 }
adamc@853 414 }
adamc@853 415 }
adamc@853 416 }
adamc@853 417
adamc@856 418 log_debug(logger_data, "Serving URI %s....\n", path);
adamc@853 419
adamc@853 420 while (1) {
adam@1371 421 uw_setQueryString(ctx, rc->queryString);
adam@1371 422
adam@1294 423 if (!had_error) {
adam@1294 424 size_t path_len = strlen(path);
adamc@853 425
adam@1294 426 on_success(ctx);
adamc@853 427
adam@1294 428 if (path_len + 1 > rc->path_copy_size) {
adam@1294 429 rc->path_copy_size = path_len + 1;
adam@1294 430 rc->path_copy = realloc(rc->path_copy, rc->path_copy_size);
adam@1294 431 }
adam@1294 432 strcpy(rc->path_copy, path);
adam@1308 433
adam@1308 434 uw_set_deadline(ctx, uw_time + uw_time_max);
adam@1294 435 fk = uw_begin(ctx, rc->path_copy);
adam@1308 436 } else {
adam@1308 437 uw_set_deadline(ctx, uw_time + uw_time_max);
adam@1294 438 fk = uw_begin_onError(ctx, errmsg);
adam@1308 439 }
adam@1294 440
adamc@1065 441 if (fk == SUCCESS || fk == RETURN_INDIRECTLY) {
adamc@853 442 uw_commit(ctx);
adam@1294 443 if (uw_has_error(ctx) && !had_error) {
adamc@1131 444 log_error(logger_data, "Fatal error: %s\n", uw_error_message(ctx));
adamc@1131 445 uw_reset_keep_error_message(ctx);
adamc@1131 446 on_failure(ctx);
adam@1294 447
adam@1294 448 if (uw_get_app(ctx)->on_error) {
adam@1294 449 had_error = 1;
adam@1294 450 strcpy(errmsg, uw_error_message(ctx));
adam@1294 451 } else {
adam@1294 452 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1294 453 uw_write(ctx, "<html><head><title>Fatal Error</title></head><body>");
adam@1294 454 uw_write(ctx, "Fatal error: ");
adam@1294 455 uw_write(ctx, uw_error_message(ctx));
adam@1294 456 uw_write(ctx, "\n</body></html>");
adamc@1131 457
adam@1294 458 return FAILED;
adam@1294 459 }
adamc@1131 460 } else
adam@1294 461 return had_error ? FAILED : SERVED;
adamc@853 462 } else if (fk == BOUNDED_RETRY) {
adamc@853 463 if (retries_left) {
adamc@856 464 log_debug(logger_data, "Error triggers bounded retry: %s\n", uw_error_message(ctx));
adamc@853 465 --retries_left;
adamc@853 466 }
adamc@853 467 else {
adamc@856 468 log_error(logger_data, "Fatal error (out of retries): %s\n", uw_error_message(ctx));
adamc@853 469
adam@1327 470 try_rollback(ctx, 0, logger_data, log_error);
adamc@853 471
adam@1294 472 if (!had_error && uw_get_app(ctx)->on_error) {
adam@1294 473 had_error = 1;
adam@1294 474 strcpy(errmsg, uw_error_message(ctx));
adam@1294 475 } else {
adam@1294 476 uw_reset_keep_error_message(ctx);
adam@1294 477 on_failure(ctx);
adam@1294 478 uw_write_header(ctx, "Content-type: text/plain\r\n");
adam@1294 479 uw_write(ctx, "Fatal error (out of retries): ");
adam@1294 480 uw_write(ctx, uw_error_message(ctx));
adam@1294 481 uw_write(ctx, "\n");
adam@1294 482
adam@1294 483 return FAILED;
adam@1294 484 }
adamc@853 485 }
adamc@853 486 } else if (fk == UNLIMITED_RETRY)
adamc@856 487 log_debug(logger_data, "Error triggers unlimited retry: %s\n", uw_error_message(ctx));
adamc@853 488 else if (fk == FATAL) {
adamc@856 489 log_error(logger_data, "Fatal error: %s\n", uw_error_message(ctx));
adamc@853 490
adam@1327 491 try_rollback(ctx, 0, logger_data, log_error);
adamc@853 492
adam@1294 493 if (uw_get_app(ctx)->on_error && !had_error) {
adam@1294 494 had_error = 1;
adam@1294 495 strcpy(errmsg, uw_error_message(ctx));
adam@1294 496 } else {
adam@1294 497 uw_reset_keep_error_message(ctx);
adam@1294 498 on_failure(ctx);
adam@1294 499 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1294 500 uw_write(ctx, "<html><head><title>Fatal Error</title></head><body>");
adam@1294 501 uw_write(ctx, "Fatal error: ");
adam@1294 502 uw_write(ctx, uw_error_message(ctx));
adam@1294 503 uw_write(ctx, "\n</body></html>");
adamc@853 504
adam@1294 505 return FAILED;
adam@1294 506 }
adamc@853 507 } else {
adamc@856 508 log_error(logger_data, "Unknown uw_handle return code!\n");
adamc@853 509
adam@1327 510 try_rollback(ctx, 0, logger_data, log_error);
adamc@853 511
adam@1294 512 if (uw_get_app(ctx)->on_error && !had_error) {
adam@1294 513 had_error = 1;
adam@1294 514 strcpy(errmsg, "Unknown uw_handle return code");
adam@1294 515 } else {
adam@1294 516 uw_reset_keep_request(ctx);
adam@1294 517 on_failure(ctx);
adam@1294 518 uw_write_header(ctx, "Content-type: text/plain\r\n");
adam@1294 519 uw_write(ctx, "Unknown uw_handle return code!\n");
adamc@853 520
adam@1294 521 return FAILED;
adam@1294 522 }
adamc@853 523 }
adamc@853 524
adam@1327 525 if (try_rollback(ctx, 1, logger_data, log_error))
adamc@853 526 return FAILED;
adamc@853 527
adamc@853 528 uw_reset_keep_request(ctx);
adamc@853 529 }
adamc@853 530 }
adamc@853 531
adamc@853 532 void *client_pruner(void *data) {
adamc@856 533 loggers *ls = (loggers *)data;
adamc@1094 534 uw_context ctx = uw_request_new_context(ls->app, ls->logger_data, ls->log_error, ls->log_debug);
adamc@853 535
adamc@853 536 if (!ctx)
adamc@853 537 exit(1);
adamc@853 538
adamc@853 539 while (1) {
adamc@853 540 uw_prune_clients(ctx);
adamc@853 541 sleep(5);
adamc@853 542 }
adamc@853 543 }