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annotate src/c/request.c @ 1416:a8606c1cfe87

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Fix monoization of sql_relop (grandfathered into release!)
author Adam Chlipala <adam@chlipala.net>
date Sun, 23 Jan 2011 15:49:35 -0500
parents e65082d76d26
children d0786ff9bb22
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 "urweb.h"
adamc@853 15
adamc@853 16 #define MAX_RETRIES 5
adamc@853 17
adamc@1152 18 void *memmem(const void *b1, size_t len1, const void *b2, size_t len2);
adamc@1152 19
adam@1327 20 static int try_rollback(uw_context ctx, int will_retry, void *logger_data, uw_logger log_error) {
adam@1327 21 int r = uw_rollback(ctx, will_retry);
adamc@853 22
adamc@853 23 if (r) {
adamc@856 24 log_error(logger_data, "Error running SQL ROLLBACK\n");
adamc@853 25 uw_reset(ctx);
adamc@1115 26 uw_write(ctx, "HTTP/1.1 500 Internal Server Error\r\n");
adamc@853 27 uw_write(ctx, "Content-type: text/plain\r\n\r\n");
adamc@853 28 uw_write(ctx, "Error running SQL ROLLBACK\n");
adamc@1115 29 uw_set_error_message(ctx, "Database error; you are probably out of storage space.");
adamc@853 30 }
adamc@853 31
adamc@853 32 return r;
adamc@853 33 }
adamc@853 34
adamc@1094 35 uw_context uw_request_new_context(uw_app *app, void *logger_data, uw_logger log_error, uw_logger log_debug) {
adam@1334 36 uw_context ctx = uw_init(logger_data, log_debug);
adamc@853 37 int retries_left = MAX_RETRIES;
adamc@1094 38 uw_set_app(ctx, app);
adamc@853 39
adamc@853 40 while (1) {
adamc@853 41 failure_kind fk = uw_begin_init(ctx);
adamc@853 42
adamc@853 43 if (fk == SUCCESS) {
adamc@856 44 log_debug(logger_data, "Database connection initialized.\n");
adamc@853 45 break;
adamc@853 46 } else if (fk == BOUNDED_RETRY) {
adamc@853 47 if (retries_left) {
adamc@856 48 log_debug(logger_data, "Initialization error triggers bounded retry: %s\n", uw_error_message(ctx));
adamc@853 49 --retries_left;
adamc@853 50 } else {
adamc@856 51 log_error(logger_data, "Fatal initialization error (out of retries): %s\n", uw_error_message(ctx));
adamc@853 52 uw_free(ctx);
adamc@853 53 return NULL;
adamc@853 54 }
adamc@853 55 } else if (fk == UNLIMITED_RETRY)
adamc@856 56 log_debug(logger_data, "Initialization error triggers unlimited retry: %s\n", uw_error_message(ctx));
adamc@853 57 else if (fk == FATAL) {
adamc@856 58 log_error(logger_data, "Fatal initialization error: %s\n", uw_error_message(ctx));
adamc@853 59 uw_free(ctx);
adamc@853 60 return NULL;
adamc@853 61 } else {
adamc@856 62 log_error(logger_data, "Unknown uw_begin_init return code!\n");
adamc@853 63 uw_free(ctx);
adamc@853 64 return NULL;
adamc@853 65 }
adamc@853 66 }
adamc@853 67
adamc@853 68 return ctx;
adamc@853 69 }
adamc@853 70
adam@1308 71 static void *ticker(void *data) {
adam@1308 72 while (1) {
adam@1308 73 usleep(100000);
adam@1308 74 ++uw_time;
adam@1308 75 }
adam@1308 76
adam@1308 77 return NULL;
adam@1308 78 }
adam@1308 79
adam@1349 80 typedef struct {
adam@1349 81 uw_app *app;
adam@1349 82 void *logger_data;
adam@1349 83 uw_logger log_error, log_debug;
adam@1349 84 } loggers;
adam@1349 85
adam@1349 86 typedef struct {
adam@1349 87 loggers *ls;
adam@1349 88 uw_periodic pdic;
adam@1349 89 } periodic;
adam@1349 90
adam@1349 91 static void *periodic_loop(void *data) {
adam@1349 92 periodic *p = (periodic *)data;
adam@1349 93 uw_context ctx = uw_request_new_context(p->ls->app, p->ls->logger_data, p->ls->log_error, p->ls->log_debug);
adam@1349 94
adam@1349 95 if (!ctx)
adam@1349 96 exit(1);
adam@1349 97
adam@1349 98 while (1) {
adam@1349 99 failure_kind r;
adam@1349 100 do {
adam@1349 101 r = uw_runCallback(ctx, p->pdic.callback);
adam@1349 102 } while (r == UNLIMITED_RETRY);
adam@1349 103
adam@1349 104 sleep(p->pdic.period);
adam@1349 105 };
adam@1349 106 }
adam@1349 107
adamc@1094 108 void uw_request_init(uw_app *app, void *logger_data, uw_logger log_error, uw_logger log_debug) {
adamc@853 109 uw_context ctx;
adamc@853 110 failure_kind fk;
adam@1349 111 uw_periodic *ps;
adam@1349 112 loggers *ls = malloc(sizeof(loggers));
adam@1349 113
adam@1349 114 ls->app = app;
adam@1349 115 ls->logger_data = logger_data;
adam@1349 116 ls->log_error = log_error;
adam@1349 117 ls->log_debug = log_debug;
adamc@853 118
adamc@853 119 uw_global_init();
adamc@1094 120 uw_app_init(app);
adamc@853 121
adam@1308 122 {
adam@1308 123 pthread_t thread;
adam@1308 124
adam@1308 125 if (uw_time_max && pthread_create(&thread, NULL, ticker, NULL)) {
adam@1308 126 fprintf(stderr, "Error creating ticker thread\n");
adam@1308 127 exit(1);
adam@1308 128 }
adam@1308 129 }
adam@1308 130
adamc@1094 131 ctx = uw_request_new_context(app, logger_data, log_error, log_debug);
adamc@853 132
adamc@853 133 if (!ctx)
adamc@853 134 exit(1);
adamc@853 135
adamc@853 136 for (fk = uw_initialize(ctx); fk == UNLIMITED_RETRY; fk = uw_initialize(ctx)) {
adamc@856 137 log_debug(logger_data, "Unlimited retry during init: %s\n", uw_error_message(ctx));
adam@1327 138 uw_rollback(ctx, 1);
adamc@853 139 uw_reset(ctx);
adamc@853 140 }
adamc@853 141
adamc@853 142 if (fk != SUCCESS) {
adamc@856 143 log_error(logger_data, "Failed to initialize database! %s\n", uw_error_message(ctx));
adam@1327 144 uw_rollback(ctx, 0);
adamc@853 145 exit(1);
adamc@853 146 }
adamc@853 147
adamc@853 148 uw_free(ctx);
adam@1349 149
adam@1349 150 for (ps = app->periodics; ps->callback; ++ps) {
adam@1349 151 pthread_t thread;
adam@1349 152 periodic *arg = malloc(sizeof(periodic));
adam@1349 153 arg->ls = ls;
adam@1349 154 arg->pdic = *ps;
adam@1349 155
adam@1349 156 if (pthread_create(&thread, NULL, periodic_loop, arg)) {
adam@1349 157 fprintf(stderr, "Error creating periodic thread\n");
adam@1349 158 exit(1);
adam@1349 159 }
adam@1349 160 }
adamc@853 161 }
adamc@853 162
adamc@853 163
adamc@853 164 typedef struct uw_rc {
adam@1370 165 size_t path_copy_size, queryString_size;
adam@1370 166 char *path_copy, *queryString;
adamc@853 167 } *uw_request_context;
adamc@853 168
adamc@853 169 uw_request_context uw_new_request_context(void) {
adamc@853 170 uw_request_context r = malloc(sizeof(struct uw_rc));
adam@1371 171 r->path_copy_size = 0;
adam@1371 172 r->queryString_size = 1;
adamc@853 173 r->path_copy = malloc(0);
adam@1371 174 r->queryString = malloc(1);
adamc@853 175 return r;
adamc@853 176 }
adamc@853 177
adamc@853 178 void uw_free_request_context(uw_request_context r) {
adamc@853 179 free(r->path_copy);
adam@1370 180 free(r->queryString);
adamc@853 181 free(r);
adamc@853 182 }
adamc@853 183
adamc@854 184 request_result uw_request(uw_request_context rc, uw_context ctx,
adamc@854 185 char *method, char *path, char *query_string,
adamc@854 186 char *body, size_t body_len,
adamc@856 187 void (*on_success)(uw_context), void (*on_failure)(uw_context),
adamc@856 188 void *logger_data, uw_logger log_error, uw_logger log_debug,
adamc@863 189 int sock,
adamc@863 190 int (*send)(int sockfd, const void *buf, size_t len),
adamc@863 191 int (*close)(int fd)) {
adamc@853 192 int retries_left = MAX_RETRIES;
adamc@853 193 failure_kind fk;
adamc@1134 194 int is_post = 0;
adamc@853 195 char *boundary = NULL;
adamc@1134 196 size_t boundary_len = 0;
adamc@854 197 char *inputs;
adamc@1094 198 const char *prefix = uw_get_url_prefix(ctx);
adamc@1169 199 char *s;
adam@1294 200 int had_error = 0;
adam@1294 201 char errmsg[ERROR_BUF_LEN];
adamc@1169 202
adam@1371 203 rc->queryString[0] = 0;
adam@1371 204
adamc@1169 205 for (s = path; *s; ++s) {
adamc@1169 206 if (s[0] == '%' && s[1] == '2' && s[2] == '7') {
adamc@1169 207 s[0] = '\'';
adamc@1169 208 memmove(s+1, s+3, strlen(s+3)+1);
adamc@1169 209 }
adamc@1169 210 }
adamc@853 211
adamc@1066 212 uw_set_currentUrl(ctx, path);
adamc@1066 213
adamc@854 214 if (!strcmp(method, "POST")) {
adamc@853 215 char *clen_s = uw_Basis_requestHeader(ctx, "Content-length");
adamc@853 216 if (!clen_s) {
adamc@1037 217 clen_s = "0";
adamc@1037 218 /*log_error(logger_data, "No Content-length with POST\n");
adamc@1037 219 return FAILED;*/
adamc@853 220 }
adamc@853 221 int clen = atoi(clen_s);
adamc@853 222 if (clen < 0) {
adamc@856 223 log_error(logger_data, "Negative Content-length with POST\n");
adamc@853 224 return FAILED;
adamc@853 225 }
adamc@853 226
adamc@854 227 if (body_len < clen) {
adamc@856 228 log_error(logger_data, "Request doesn't contain all POST data (according to Content-Length)\n");
adamc@853 229 return FAILED;
adamc@853 230 }
adamc@853 231
adamc@853 232 is_post = 1;
adam@1386 233 uw_isPost(ctx);
adamc@853 234
adamc@853 235 clen_s = uw_Basis_requestHeader(ctx, "Content-type");
adamc@853 236 if (clen_s && !strncasecmp(clen_s, "multipart/form-data", 19)) {
adamc@853 237 if (strncasecmp(clen_s + 19, "; boundary=", 11)) {
adamc@856 238 log_error(logger_data, "Bad multipart boundary spec");
adamc@853 239 return FAILED;
adamc@853 240 }
adamc@853 241
adamc@853 242 boundary = clen_s + 28;
adamc@853 243 boundary[0] = '-';
adamc@853 244 boundary[1] = '-';
adamc@853 245 boundary_len = strlen(boundary);
adam@1347 246 } else if (clen_s && strcasecmp(clen_s, "application/x-www-form-urlencoded")) {
adam@1347 247 uw_Basis_postBody pb = {clen_s, body};
adam@1347 248 uw_postBody(ctx, pb);
adamc@853 249 }
adamc@854 250 } else if (strcmp(method, "GET")) {
adamc@856 251 log_error(logger_data, "Not ready for non-GET/POST command: %s\n", method);
adamc@853 252 return FAILED;
adamc@853 253 }
adamc@853 254
adamc@1094 255 if (!strncmp(path, prefix, strlen(prefix))
adamc@1094 256 && !strcmp(path + strlen(prefix), ".msgs")) {
adamc@853 257 char *id = uw_Basis_requestHeader(ctx, "UrWeb-Client");
adamc@853 258 char *pass = uw_Basis_requestHeader(ctx, "UrWeb-Pass");
adamc@853 259
adamc@853 260 if (sock < 0) {
adamc@856 261 log_error(logger_data, ".msgs requested, but not socket supplied\n");
adamc@853 262 return FAILED;
adamc@853 263 }
adamc@853 264
adamc@853 265 if (id && pass) {
adamc@853 266 unsigned idn = atoi(id);
adamc@864 267 uw_client_connect(idn, atoi(pass), sock, send, close, logger_data, log_error);
adam@1320 268 log_debug(logger_data, "Processed request for messages by client %u\n\n", idn);
adamc@853 269 return KEEP_OPEN;
adamc@853 270 }
adamc@853 271 else {
adamc@856 272 log_error(logger_data, "Missing fields in .msgs request: %s, %s\n\n", id, pass);
adamc@853 273 return FAILED;
adamc@853 274 }
adamc@853 275 }
adamc@853 276
adamc@853 277 if (boundary) {
adamc@854 278 char *part = body, *after_sub_headers, *header, *after_header;
adamc@853 279 size_t part_len;
adamc@853 280
adamc@853 281 part = strstr(part, boundary);
adamc@853 282 if (!part) {
adamc@856 283 log_error(logger_data, "Missing first multipart boundary\n");
adamc@853 284 return FAILED;
adamc@853 285 }
adamc@853 286 part += boundary_len;
adamc@853 287
adamc@853 288 while (1) {
adamc@853 289 char *name = NULL, *filename = NULL, *type = NULL;
adamc@853 290
adamc@853 291 if (part[0] == '-' && part[1] == '-')
adamc@853 292 break;
adamc@853 293
adamc@853 294 if (*part != '\r') {
adamc@856 295 log_error(logger_data, "No \\r after multipart boundary\n");
adamc@853 296 return FAILED;
adamc@853 297 }
adamc@853 298 ++part;
adamc@853 299 if (*part != '\n') {
adamc@856 300 log_error(logger_data, "No \\n after multipart boundary\n");
adamc@853 301 return FAILED;
adamc@853 302 }
adamc@853 303 ++part;
adamc@853 304
adamc@853 305 if (!(after_sub_headers = strstr(part, "\r\n\r\n"))) {
adamc@856 306 log_error(logger_data, "Missing end of headers after multipart boundary\n");
adamc@853 307 return FAILED;
adamc@853 308 }
adamc@853 309 after_sub_headers[2] = 0;
adamc@853 310 after_sub_headers += 4;
adamc@853 311
adamc@1134 312 for (header = part; (after_header = strstr(header, "\r\n")); header = after_header + 2) {
adamc@853 313 char *colon, *after_colon;
adamc@853 314
adamc@853 315 *after_header = 0;
adamc@853 316 if (!(colon = strchr(header, ':'))) {
adamc@856 317 log_error(logger_data, "Missing colon in multipart sub-header\n");
adamc@853 318 return FAILED;
adamc@853 319 }
adamc@853 320 *colon++ = 0;
adamc@853 321 if (*colon++ != ' ') {
adamc@856 322 log_error(logger_data, "No space after colon in multipart sub-header\n");
adamc@853 323 return FAILED;
adamc@853 324 }
adamc@853 325
adamc@853 326 if (!strcasecmp(header, "Content-Disposition")) {
adamc@853 327 if (strncmp(colon, "form-data; ", 11)) {
adamc@856 328 log_error(logger_data, "Multipart data is not \"form-data\"\n");
adamc@853 329 return FAILED;
adamc@853 330 }
adamc@853 331
adamc@1134 332 for (colon += 11; (after_colon = strchr(colon, '=')); colon = after_colon) {
adamc@853 333 char *data;
adamc@853 334 after_colon[0] = 0;
adamc@853 335 if (after_colon[1] != '"') {
adamc@856 336 log_error(logger_data, "Disposition setting is missing initial quote\n");
adamc@853 337 return FAILED;
adamc@853 338 }
adamc@853 339 data = after_colon+2;
adamc@853 340 if (!(after_colon = strchr(data, '"'))) {
adamc@856 341 log_error(logger_data, "Disposition setting is missing final quote\n");
adamc@853 342 return FAILED;
adamc@853 343 }
adamc@853 344 after_colon[0] = 0;
adamc@853 345 ++after_colon;
adamc@853 346 if (after_colon[0] == ';' && after_colon[1] == ' ')
adamc@853 347 after_colon += 2;
adamc@853 348
adamc@853 349 if (!strcasecmp(colon, "name"))
adamc@853 350 name = data;
adamc@853 351 else if (!strcasecmp(colon, "filename"))
adamc@853 352 filename = data;
adamc@853 353 }
adamc@853 354 } else if (!strcasecmp(header, "Content-Type")) {
adamc@853 355 type = colon;
adamc@853 356 }
adamc@853 357 }
adamc@853 358
adamc@854 359 part = memmem(after_sub_headers, body + body_len - after_sub_headers, boundary, boundary_len);
adamc@853 360 if (!part) {
adamc@856 361 log_error(logger_data, "Missing boundary after multipart payload\n");
adamc@853 362 return FAILED;
adamc@853 363 }
adamc@853 364 part[-2] = 0;
adamc@853 365 part_len = part - after_sub_headers - 2;
adamc@853 366 part[0] = 0;
adamc@853 367 part += boundary_len;
adamc@853 368
adamc@853 369 if (filename) {
adamc@853 370 uw_Basis_file f = {filename, type, {part_len, after_sub_headers}};
adamc@853 371
adamc@853 372 if (uw_set_file_input(ctx, name, f)) {
adamc@856 373 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 374 return FAILED;
adamc@853 375 }
adamc@853 376 } else if (uw_set_input(ctx, name, after_sub_headers)) {
adamc@856 377 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 378 return FAILED;
adamc@853 379 }
adamc@853 380 }
adamc@853 381 }
adam@1347 382 else if (!uw_hasPostBody(ctx)) {
adamc@854 383 inputs = is_post ? body : query_string;
adamc@853 384
adamc@853 385 if (inputs) {
adamc@853 386 char *name, *value;
adam@1370 387 int len = strlen(inputs);
adam@1370 388
adam@1370 389 if (len+1 > rc->queryString_size) {
adam@1370 390 rc->queryString_size = len+1;
adam@1370 391 rc->queryString = realloc(rc->queryString, len+1);
adam@1370 392 }
adam@1370 393 strcpy(rc->queryString, inputs);
adamc@853 394
adamc@853 395 while (*inputs) {
adamc@853 396 name = inputs;
adamc@1134 397 if ((inputs = strchr(inputs, '&')))
adamc@853 398 *inputs++ = 0;
adamc@853 399 else
adamc@853 400 inputs = strchr(name, 0);
adamc@853 401
adamc@1134 402 if ((value = strchr(name, '='))) {
adamc@853 403 *value++ = 0;
adamc@853 404 if (uw_set_input(ctx, name, value)) {
adamc@856 405 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 406 return FAILED;
adamc@853 407 }
adamc@853 408 }
adamc@853 409 else if (uw_set_input(ctx, name, "")) {
adamc@856 410 log_error(logger_data, "%s\n", uw_error_message(ctx));
adamc@853 411 return FAILED;
adamc@853 412 }
adamc@853 413 }
adamc@853 414 }
adamc@853 415 }
adamc@853 416
adamc@853 417 while (1) {
adam@1371 418 uw_setQueryString(ctx, rc->queryString);
adam@1371 419
adam@1294 420 if (!had_error) {
adam@1294 421 size_t path_len = strlen(path);
adamc@853 422
adam@1294 423 on_success(ctx);
adamc@853 424
adam@1294 425 if (path_len + 1 > rc->path_copy_size) {
adam@1294 426 rc->path_copy_size = path_len + 1;
adam@1294 427 rc->path_copy = realloc(rc->path_copy, rc->path_copy_size);
adam@1294 428 }
adam@1294 429 strcpy(rc->path_copy, path);
adam@1308 430
adam@1308 431 uw_set_deadline(ctx, uw_time + uw_time_max);
adam@1294 432 fk = uw_begin(ctx, rc->path_copy);
adam@1308 433 } else {
adam@1308 434 uw_set_deadline(ctx, uw_time + uw_time_max);
adam@1294 435 fk = uw_begin_onError(ctx, errmsg);
adam@1308 436 }
adam@1294 437
adamc@1065 438 if (fk == SUCCESS || fk == RETURN_INDIRECTLY) {
adamc@853 439 uw_commit(ctx);
adam@1294 440 if (uw_has_error(ctx) && !had_error) {
adamc@1131 441 log_error(logger_data, "Fatal error: %s\n", uw_error_message(ctx));
adamc@1131 442 uw_reset_keep_error_message(ctx);
adamc@1131 443 on_failure(ctx);
adam@1294 444
adam@1294 445 if (uw_get_app(ctx)->on_error) {
adam@1294 446 had_error = 1;
adam@1294 447 strcpy(errmsg, uw_error_message(ctx));
adam@1294 448 } else {
adam@1294 449 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1294 450 uw_write(ctx, "<html><head><title>Fatal Error</title></head><body>");
adam@1294 451 uw_write(ctx, "Fatal error: ");
adam@1294 452 uw_write(ctx, uw_error_message(ctx));
adam@1294 453 uw_write(ctx, "\n</body></html>");
adamc@1131 454
adam@1294 455 return FAILED;
adam@1294 456 }
adamc@1131 457 } else
adam@1294 458 return had_error ? FAILED : SERVED;
adamc@853 459 } else if (fk == BOUNDED_RETRY) {
adamc@853 460 if (retries_left) {
adamc@856 461 log_debug(logger_data, "Error triggers bounded retry: %s\n", uw_error_message(ctx));
adamc@853 462 --retries_left;
adamc@853 463 }
adamc@853 464 else {
adamc@856 465 log_error(logger_data, "Fatal error (out of retries): %s\n", uw_error_message(ctx));
adamc@853 466
adam@1327 467 try_rollback(ctx, 0, logger_data, log_error);
adamc@853 468
adam@1294 469 if (!had_error && uw_get_app(ctx)->on_error) {
adam@1294 470 had_error = 1;
adam@1294 471 strcpy(errmsg, uw_error_message(ctx));
adam@1294 472 } else {
adam@1294 473 uw_reset_keep_error_message(ctx);
adam@1294 474 on_failure(ctx);
adam@1294 475 uw_write_header(ctx, "Content-type: text/plain\r\n");
adam@1294 476 uw_write(ctx, "Fatal error (out of retries): ");
adam@1294 477 uw_write(ctx, uw_error_message(ctx));
adam@1294 478 uw_write(ctx, "\n");
adam@1294 479
adam@1294 480 return FAILED;
adam@1294 481 }
adamc@853 482 }
adamc@853 483 } else if (fk == UNLIMITED_RETRY)
adamc@856 484 log_debug(logger_data, "Error triggers unlimited retry: %s\n", uw_error_message(ctx));
adamc@853 485 else if (fk == FATAL) {
adamc@856 486 log_error(logger_data, "Fatal error: %s\n", uw_error_message(ctx));
adamc@853 487
adam@1327 488 try_rollback(ctx, 0, logger_data, log_error);
adamc@853 489
adam@1294 490 if (uw_get_app(ctx)->on_error && !had_error) {
adam@1294 491 had_error = 1;
adam@1294 492 strcpy(errmsg, uw_error_message(ctx));
adam@1294 493 } else {
adam@1294 494 uw_reset_keep_error_message(ctx);
adam@1294 495 on_failure(ctx);
adam@1294 496 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1294 497 uw_write(ctx, "<html><head><title>Fatal Error</title></head><body>");
adam@1294 498 uw_write(ctx, "Fatal error: ");
adam@1294 499 uw_write(ctx, uw_error_message(ctx));
adam@1294 500 uw_write(ctx, "\n</body></html>");
adamc@853 501
adam@1294 502 return FAILED;
adam@1294 503 }
adamc@853 504 } else {
adamc@856 505 log_error(logger_data, "Unknown uw_handle return code!\n");
adamc@853 506
adam@1327 507 try_rollback(ctx, 0, logger_data, log_error);
adamc@853 508
adam@1294 509 if (uw_get_app(ctx)->on_error && !had_error) {
adam@1294 510 had_error = 1;
adam@1294 511 strcpy(errmsg, "Unknown uw_handle return code");
adam@1294 512 } else {
adam@1294 513 uw_reset_keep_request(ctx);
adam@1294 514 on_failure(ctx);
adam@1294 515 uw_write_header(ctx, "Content-type: text/plain\r\n");
adam@1294 516 uw_write(ctx, "Unknown uw_handle return code!\n");
adamc@853 517
adam@1294 518 return FAILED;
adam@1294 519 }
adamc@853 520 }
adamc@853 521
adam@1327 522 if (try_rollback(ctx, 1, logger_data, log_error))
adamc@853 523 return FAILED;
adamc@853 524
adamc@853 525 uw_reset_keep_request(ctx);
adamc@853 526 }
adamc@853 527 }
adamc@853 528
adamc@853 529 void *client_pruner(void *data) {
adamc@856 530 loggers *ls = (loggers *)data;
adamc@1094 531 uw_context ctx = uw_request_new_context(ls->app, ls->logger_data, ls->log_error, ls->log_debug);
adamc@853 532
adamc@853 533 if (!ctx)
adamc@853 534 exit(1);
adamc@853 535
adamc@853 536 while (1) {
adamc@853 537 uw_prune_clients(ctx);
adamc@853 538 sleep(5);
adamc@853 539 }
adamc@853 540 }