git.m6w6.name Git - m6w6/ext-http/blob - http_request_pool_api.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2007, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #define HTTP_WANT_CURL
  16 #define HTTP_WANT_EVENT
  17 #include "php_http.h"
  18
  19 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
  20
  21 #include "php_http_api.h"
  22 #include "php_http_exception_object.h"
  23 #include "php_http_persistent_handle_api.h"
  24 #include "php_http_request_api.h"
  25 #include "php_http_request_object.h"
  26 #include "php_http_request_pool_api.h"
  27 #include "php_http_requestpool_object.h"
  28
  29 #ifndef HTTP_DEBUG_REQPOOLS
  30 #       define HTTP_DEBUG_REQPOOLS 0
  31 #endif
  32
  33 #ifdef HTTP_HAVE_EVENT
  34 typedef struct _http_request_pool_event_t {
  35         struct event evnt;
  36         http_request_pool *pool;
  37 } http_request_pool_event;
  38
  39 static void http_request_pool_timeout_callback(int socket, short action, void *event_data);
  40 static void http_request_pool_event_callback(int socket, short action, void *event_data);
  41 static int http_request_pool_socket_callback(CURL *easy, curl_socket_t s, int action, void *, void *);
  42 static void http_request_pool_timer_callback(CURLM *multi, long timeout_ms, void *timer_data);
  43 #endif
  44
  45 static int http_request_pool_compare_handles(void *h1, void *h2);
  46
  47 PHP_MINIT_FUNCTION(http_request_pool)
  48 {
  49         if (SUCCESS != http_persistent_handle_provide("http_request_pool", curl_multi_init, (http_persistent_handle_dtor) curl_multi_cleanup, NULL)) {
  50                 return FAILURE;
  51         }
  52         return SUCCESS;
  53 }
  54
  55 #ifdef HTTP_HAVE_EVENT
  56 PHP_RINIT_FUNCTION(http_request_pool)
  57 {
  58         if (!HTTP_G->request.pool.event.base && !(HTTP_G->request.pool.event.base = event_init())) {
  59                 return FAILURE;
  60         }
  61
  62         return SUCCESS;
  63 }
  64 #endif
  65
  66 /* {{{ http_request_pool *http_request_pool_init(http_request_pool *) */
  67 PHP_HTTP_API http_request_pool *_http_request_pool_init(http_request_pool *pool TSRMLS_DC)
  68 {
  69         zend_bool free_pool;
  70
  71 #if HTTP_DEBUG_REQPOOLS
  72         fprintf(stderr, "Initializing request pool %p\n", pool);
  73 #endif
  74
  75         if ((free_pool = (!pool))) {
  76                 pool = emalloc(sizeof(http_request_pool));
  77                 pool->ch = NULL;
  78         }
  79
  80         if (SUCCESS != http_persistent_handle_acquire("http_request_pool", &pool->ch)) {
  81                 if (free_pool) {
  82                         efree(pool);
  83                 }
  84                 return NULL;
  85         }
  86
  87         TSRMLS_SET_CTX(pool->tsrm_ls);
  88
  89 #ifdef HTTP_HAVE_EVENT
  90         pool->timeout = ecalloc(1, sizeof(struct event));
  91         curl_multi_setopt(pool->ch, CURLMOPT_SOCKETDATA, pool);
  92         curl_multi_setopt(pool->ch, CURLMOPT_SOCKETFUNCTION, http_request_pool_socket_callback);
  93         curl_multi_setopt(pool->ch, CURLMOPT_TIMERDATA, pool);
  94         curl_multi_setopt(pool->ch, CURLMOPT_TIMERFUNCTION, http_request_pool_timer_callback);
  95 #endif
  96
  97         pool->unfinished = 0;
  98         zend_llist_init(&pool->finished, sizeof(zval *), (llist_dtor_func_t) ZVAL_PTR_DTOR, 0);
  99         zend_llist_init(&pool->handles, sizeof(zval *), (llist_dtor_func_t) ZVAL_PTR_DTOR, 0);
 100
 101 #if HTTP_DEBUG_REQPOOLS
 102         fprintf(stderr, "Initialized request pool %p\n", pool);
 103 #endif
 104
 105         return pool;
 106 }
 107 /* }}} */
 108
 109 /* {{{ STATUS http_request_pool_attach(http_request_pool *, zval *) */
 110 PHP_HTTP_API STATUS _http_request_pool_attach(http_request_pool *pool, zval *request)
 111 {
 112         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 113         getObjectEx(http_request_object, req, request);
 114
 115 #if HTTP_DEBUG_REQPOOLS
 116         fprintf(stderr, "Attaching HttpRequest(#%d) %p to pool %p\n", Z_OBJ_HANDLE_P(request), req, pool);
 117 #endif
 118
 119         if (req->pool) {
 120                 http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "HttpRequest object(#%d) is already member of %s HttpRequestPool", Z_OBJ_HANDLE_P(request), req->pool == pool ? "this" : "another");
 121         } else if (SUCCESS != http_request_object_requesthandler(req, request)) {
 122                 http_error_ex(HE_WARNING, HTTP_E_REQUEST, "Could not initialize HttpRequest object(#%d) for attaching to the HttpRequestPool", Z_OBJ_HANDLE_P(request));
 123         } else {
 124                 CURLMcode code = curl_multi_add_handle(pool->ch, req->request->ch);
 125
 126                 if (CURLM_OK != code) {
 127                         http_error_ex(HE_WARNING, HTTP_E_REQUEST_POOL, "Could not attach HttpRequest object(#%d) to the HttpRequestPool: %s", Z_OBJ_HANDLE_P(request), curl_multi_strerror(code));
 128                 } else {
 129                         req->pool = pool;
 130
 131                         ZVAL_ADDREF(request);
 132                         zend_llist_add_element(&pool->handles, &request);
 133                         ++pool->unfinished;
 134
 135 #if HTTP_DEBUG_REQPOOLS
 136                         fprintf(stderr, "> %d HttpRequests attached to pool %p\n", zend_llist_count(&pool->handles), pool);
 137 #endif
 138                         return SUCCESS;
 139                 }
 140         }
 141         return FAILURE;
 142 }
 143 /* }}} */
 144
 145 /* {{{ STATUS http_request_pool_detach(http_request_pool *, zval *) */
 146 PHP_HTTP_API STATUS _http_request_pool_detach(http_request_pool *pool, zval *request)
 147 {
 148         CURLMcode code;
 149         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 150         getObjectEx(http_request_object, req, request);
 151
 152 #if HTTP_DEBUG_REQPOOLS
 153         fprintf(stderr, "Detaching HttpRequest(#%d) %p from pool %p\n", Z_OBJ_HANDLE_P(request), req, pool);
 154 #endif
 155
 156         if (!req->pool) {
 157                 /* not attached to any pool */
 158 #if HTTP_DEBUG_REQPOOLS
 159                 fprintf(stderr, "HttpRequest object(#%d) %p is not attached to any HttpRequestPool\n", Z_OBJ_HANDLE_P(request), req);
 160 #endif
 161         } else if (req->pool != pool) {
 162                 http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "HttpRequest object(#%d) is not attached to this HttpRequestPool", Z_OBJ_HANDLE_P(request));
 163         } else if (req->request->_in_progress_cb) {
 164                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_POOL, "HttpRequest object(#%d) cannot be detached from the HttpRequestPool while executing the progress callback", Z_OBJ_HANDLE_P(request));
 165         } else if (CURLM_OK != (code = curl_multi_remove_handle(pool->ch, req->request->ch))) {
 166                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_POOL, "Could not detach HttpRequest object(#%d) from the HttpRequestPool: %s", Z_OBJ_HANDLE_P(request), curl_multi_strerror(code));
 167         } else {
 168                 req->pool = NULL;
 169                 zend_llist_del_element(&pool->finished, request, http_request_pool_compare_handles);
 170                 zend_llist_del_element(&pool->handles, request, http_request_pool_compare_handles);
 171
 172 #if HTTP_DEBUG_REQPOOLS
 173                 fprintf(stderr, "> %d HttpRequests remaining in pool %p\n", zend_llist_count(&pool->handles), pool);
 174 #endif
 175
 176                 return SUCCESS;
 177         }
 178         return FAILURE;
 179 }
 180 /* }}} */
 181
 182 /* {{{ void http_request_pool_apply(http_request_pool *, http_request_pool_apply_func) */
 183 PHP_HTTP_API void _http_request_pool_apply(http_request_pool *pool, http_request_pool_apply_func cb)
 184 {
 185         int count = zend_llist_count(&pool->handles);
 186
 187         if (count) {
 188                 int i = 0;
 189                 zend_llist_position pos;
 190                 zval **handle, **handles = emalloc(count * sizeof(zval *));
 191
 192                 for (handle = zend_llist_get_first_ex(&pool->handles, &pos); handle; handle = zend_llist_get_next_ex(&pool->handles, &pos)) {
 193                         handles[i++] = *handle;
 194                 }
 195
 196                 /* should never happen */
 197                 if (i != count) {
 198                         zend_error(E_ERROR, "number of fetched request handles do not match overall count");
 199                         count = i;
 200                 }
 201
 202                 for (i = 0; i < count; ++i) {
 203                         if (cb(pool, handles[i])) {
 204                                 break;
 205                         }
 206                 }
 207                 efree(handles);
 208         }
 209 }
 210 /* }}} */
 211
 212 /* {{{ void http_request_pool_apply_with_arg(http_request_pool *, http_request_pool_apply_with_arg_func, void *) */
 213 PHP_HTTP_API void _http_request_pool_apply_with_arg(http_request_pool *pool, http_request_pool_apply_with_arg_func cb, void *arg)
 214 {
 215         int count = zend_llist_count(&pool->handles);
 216
 217         if (count) {
 218                 int i = 0;
 219                 zend_llist_position pos;
 220                 zval **handle, **handles = emalloc(count * sizeof(zval *));
 221
 222                 for (handle = zend_llist_get_first_ex(&pool->handles, &pos); handle; handle = zend_llist_get_next_ex(&pool->handles, &pos)) {
 223                         handles[i++] = *handle;
 224                 }
 225
 226                 /* should never happen */
 227                 if (i != count) {
 228                         zend_error(E_ERROR, "number of fetched request handles do not match overall count");
 229                         count = i;
 230                 }
 231
 232                 for (i = 0; i < count; ++i) {
 233                         if (cb(pool, handles[i], arg)) {
 234                                 break;
 235                         }
 236                 }
 237                 efree(handles);
 238         }
 239 }
 240 /* }}} */
 241
 242 /* {{{ void http_request_pool_detach_all(http_request_pool *) */
 243 PHP_HTTP_API void _http_request_pool_detach_all(http_request_pool *pool)
 244 {
 245 #if HTTP_DEBUG_REQPOOLS
 246         fprintf(stderr, "Detaching %d requests from pool %p\n", zend_llist_count(&pool->handles), pool);
 247 #endif
 248         http_request_pool_apply(pool, _http_request_pool_detach);
 249 }
 250 /* }}} */
 251
 252 /* {{{ STATUS http_request_pool_send(http_request_pool *) */
 253 PHP_HTTP_API STATUS _http_request_pool_send(http_request_pool *pool)
 254 {
 255         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 256
 257 #if HTTP_DEBUG_REQPOOLS
 258         fprintf(stderr, "Attempt to send %d requests of pool %p\n", zend_llist_count(&pool->handles), pool);
 259 #endif
 260
 261 #ifdef HTTP_HAVE_EVENT
 262         if (pool->useevents) {
 263                 do {
 264                         while (CURLM_CALL_MULTI_PERFORM == curl_multi_socket_all(pool->ch, &pool->unfinished));
 265                         event_base_dispatch(HTTP_G->request.pool.event.base);
 266                 } while (pool->unfinished);
 267         } else
 268 #endif
 269         {
 270                 while (http_request_pool_perform(pool)) {
 271                         if (SUCCESS != http_request_pool_select(pool)) {
 272 #ifdef PHP_WIN32
 273                                 /* see http://msdn.microsoft.com/library/en-us/winsock/winsock/windows_sockets_error_codes_2.asp */
 274                                 http_error_ex(HE_WARNING, HTTP_E_SOCKET, "WinSock error: %d", WSAGetLastError());
 275 #else
 276                                 http_error(HE_WARNING, HTTP_E_SOCKET, strerror(errno));
 277 #endif
 278                                 return FAILURE;
 279                         }
 280                 }
 281         }
 282
 283 #if HTTP_DEBUG_REQPOOLS
 284         fprintf(stderr, "Finished sending %d HttpRequests of pool %p (still unfinished: %d)\n", zend_llist_count(&pool->handles), pool, pool->unfinished);
 285 #endif
 286
 287         return SUCCESS;
 288 }
 289 /* }}} */
 290
 291 /* {{{ void http_request_pool_dtor(http_request_pool *) */
 292 PHP_HTTP_API void _http_request_pool_dtor(http_request_pool *pool)
 293 {
 294         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 295
 296 #if HTTP_DEBUG_REQPOOLS
 297         fprintf(stderr, "Destructing request pool %p\n", pool);
 298 #endif
 299
 300 #ifdef HTTP_HAVE_EVENT
 301         efree(pool->timeout);
 302 #endif
 303
 304         pool->unfinished = 0;
 305         zend_llist_clean(&pool->finished);
 306         zend_llist_clean(&pool->handles);
 307         http_persistent_handle_release("http_request_pool", &pool->ch);
 308 }
 309 /* }}} */
 310
 311 #ifdef PHP_WIN32
 312 #       define SELECT_ERROR SOCKET_ERROR
 313 #else
 314 #       define SELECT_ERROR -1
 315 #endif
 316
 317 /* {{{ STATUS http_request_pool_select(http_request_pool *) */
 318 PHP_HTTP_API STATUS _http_request_pool_select(http_request_pool *pool)
 319 {
 320         return http_request_pool_select_ex(pool, NULL);
 321 }
 322 /* }}} */
 323
 324 /* {{{ STATUS http_request_pool_select_ex(http_request_pool *, struct timeval *) */
 325 PHP_HTTP_API STATUS _http_request_pool_select_ex(http_request_pool *pool, struct timeval *custom_timeout)
 326 {
 327         int MAX;
 328         fd_set R, W, E;
 329         struct timeval timeout;
 330
 331 #ifdef HTTP_HAVE_EVENT
 332         if (pool->useevents) {
 333                 TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 334                 http_error(HE_WARNING, HTTP_E_RUNTIME, "not implemented; use HttpRequest callbacks");
 335                 return FAILURE;
 336         }
 337 #endif
 338
 339         if (custom_timeout && timerisset(custom_timeout)) {
 340                 timeout = *custom_timeout;
 341         } else {
 342                 http_request_pool_timeout(pool, &timeout);
 343         }
 344
 345         FD_ZERO(&R);
 346         FD_ZERO(&W);
 347         FD_ZERO(&E);
 348
 349         if (CURLM_OK == curl_multi_fdset(pool->ch, &R, &W, &E, &MAX)) {
 350                 if (MAX == -1) {
 351                         http_sleep((double) timeout.tv_sec + (double) (timeout.tv_usec / HTTP_MCROSEC));
 352                         return SUCCESS;
 353                 } else if (SELECT_ERROR != select(MAX + 1, &R, &W, &E, &timeout)) {
 354                         return SUCCESS;
 355                 }
 356         }
 357         return FAILURE;
 358 }
 359 /* }}} */
 360
 361 /* {{{ int http_request_pool_perform(http_request_pool *) */
 362 PHP_HTTP_API int _http_request_pool_perform(http_request_pool *pool)
 363 {
 364         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 365
 366 #ifdef HTTP_HAVE_EVENT
 367         if (pool->useevents) {
 368                 http_error(HE_WARNING, HTTP_E_RUNTIME, "not implemented; use HttpRequest callbacks");
 369                 return FAILURE;
 370         }
 371 #endif
 372
 373         while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform(pool->ch, &pool->unfinished));
 374
 375 #if HTTP_DEBUG_REQPOOLS
 376         fprintf(stderr, "%u unfinished requests of pool %p remaining\n", pool->unfinished, pool);
 377 #endif
 378
 379         http_request_pool_responsehandler(pool);
 380
 381         return pool->unfinished;
 382 }
 383 /* }}} */
 384
 385 /* {{{ void http_request_pool_responsehandler(http_request_pool *) */
 386 void _http_request_pool_responsehandler(http_request_pool *pool)
 387 {
 388         CURLMsg *msg;
 389         int remaining = 0;
 390         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 391
 392         do {
 393                 msg = curl_multi_info_read(pool->ch, &remaining);
 394                 if (msg && CURLMSG_DONE == msg->msg) {
 395                         if (CURLE_OK != msg->data.result) {
 396                                 http_request_storage *st = http_request_storage_get(msg->easy_handle);
 397                                 http_error_ex(HE_WARNING, HTTP_E_REQUEST, "%s; %s (%s)", curl_easy_strerror(msg->data.result), st?st->errorbuffer:"", st?st->url:"");
 398                         }
 399                         http_request_pool_apply_with_arg(pool, _http_request_pool_apply_responsehandler, msg->easy_handle);
 400                 }
 401         } while (remaining);
 402 }
 403 /* }}} */
 404
 405 /* {{{ int http_request_pool_apply_responsehandler(http_request_pool *, zval *, void *) */
 406 int _http_request_pool_apply_responsehandler(http_request_pool *pool, zval *req, void *ch)
 407 {
 408         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 409         getObjectEx(http_request_object, obj, req);
 410
 411         if ((!ch) || obj->request->ch == (CURL *) ch) {
 412
 413 #if HTTP_DEBUG_REQPOOLS
 414                 fprintf(stderr, "Fetching data from HttpRequest(#%d) %p of pool %p\n", Z_OBJ_HANDLE_P(req), obj, obj->pool);
 415 #endif
 416
 417                 ZVAL_ADDREF(req);
 418                 zend_llist_add_element(&obj->pool->finished, &req);
 419                 http_request_object_responsehandler(obj, req);
 420                 return 1;
 421         }
 422         return 0;
 423 }
 424 /* }}} */
 425
 426 /* {{{ struct timeval *_http_request_pool_timeout(http_request_pool *, struct timeval *) */
 427 struct timeval *_http_request_pool_timeout(http_request_pool *pool, struct timeval *timeout)
 428 {
 429 #ifdef HAVE_CURL_MULTI_TIMEOUT
 430         long max_tout = 1000;
 431
 432         if ((CURLM_OK == curl_multi_timeout(pool->ch, &max_tout)) && (max_tout != -1)) {
 433                 timeout->tv_sec = max_tout / 1000;
 434                 timeout->tv_usec = (max_tout % 1000) * 1000;
 435         } else {
 436 #endif
 437                 timeout->tv_sec = 1;
 438                 timeout->tv_usec = 0;
 439 #ifdef HAVE_CURL_MULTI_TIMEOUT
 440         }
 441 #endif
 442
 443 #if HTTP_DEBUG_REQPOOLS
 444         fprintf(stderr, "Calculating timeout (%lu, %lu) of pool %p\n", (ulong) timeout->tv_sec, (ulong) timeout->tv_usec, pool);
 445 #endif
 446
 447         return timeout;
 448 }
 449 /* }}} */
 450
 451 /*#*/
 452
 453 /* {{{ static int http_request_pool_compare_handles(void *, void *) */
 454 static int http_request_pool_compare_handles(void *h1, void *h2)
 455 {
 456         return (Z_OBJ_HANDLE_PP((zval **) h1) == Z_OBJ_HANDLE_P((zval *) h2));
 457 }
 458 /* }}} */
 459
 460 #ifdef HTTP_HAVE_EVENT
 461 /* {{{ static void http_request_pool_timeout_callback(int, short, void *) */
 462 static void http_request_pool_timeout_callback(int socket, short action, void *event_data)
 463 {
 464         http_request_pool *pool = event_data;
 465
 466         if (pool->useevents) {
 467                 CURLMcode rc;
 468                 TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 469
 470 #if HTTP_DEBUG_REQPOOLS
 471                 fprintf(stderr, "Timeout occurred of pool %p\n", pool);
 472 #endif
 473
 474                 while (CURLM_CALL_MULTI_PERFORM == (rc = curl_multi_socket(pool->ch, CURL_SOCKET_TIMEOUT, &pool->unfinished)));
 475
 476                 if (CURLM_OK != rc) {
 477                         http_error(HE_WARNING, HTTP_E_SOCKET, curl_multi_strerror(rc));
 478                 }
 479 #if 0
 480                 http_request_pool_timer_callback(pool->ch, 1000, pool);
 481 #endif
 482         }
 483 }
 484 /* }}} */
 485
 486 /* {{{ static void http_request_pool_event_callback(int, short, void *) */
 487 static void http_request_pool_event_callback(int socket, short action, void *event_data)
 488 {
 489         http_request_pool_event *ev = event_data;
 490         http_request_pool *pool = ev->pool;
 491
 492         if (pool->useevents) {
 493                 CURLMcode rc = CURLE_OK;
 494                 TSRMLS_FETCH_FROM_CTX(ev->pool->tsrm_ls);
 495
 496 #if HTTP_DEBUG_REQPOOLS
 497                 {
 498                         static const char event_strings[][20] = {"NONE","TIMEOUT","READ","TIMEOUT|READ","WRITE","TIMEOUT|WRITE","READ|WRITE","TIMEOUT|READ|WRITE","SIGNAL"};
 499                         fprintf(stderr, "Event on socket %d (%s) event %p of pool %p\n", socket, event_strings[action], ev, pool);
 500                 }
 501 #endif
 502
 503                 /* don't use 'ev' below this loop as it might 've been freed in the socket callback */
 504                 do {
 505 #ifdef HAVE_CURL_MULTI_SOCKET_ACTION
 506                         switch (action & (EV_READ|EV_WRITE)) {
 507                                 case EV_READ:
 508                                         rc = curl_multi_socket_action(pool->ch, socket, CURL_CSELECT_IN, &pool->unfinished);
 509                                         break;
 510                                 case EV_WRITE:
 511                                         rc = curl_multi_socket_action(pool->ch, socket, CURL_CSELECT_OUT, &pool->unfinished);
 512                                         break;
 513                                 case EV_READ|EV_WRITE:
 514                                         rc = curl_multi_socket_action(pool->ch, socket, CURL_CSELECT_IN|CURL_CSELECT_OUT, &pool->unfinished);
 515                                         break;
 516                                 default:
 517                                         http_error_ex(HE_WARNING, HTTP_E_SOCKET, "Unknown event %d", (int) action);
 518                                         return;
 519                         }
 520 #else
 521                         rc = curl_multi_socket(pool->ch, socket, &pool->unfinished);
 522 #endif
 523                 } while (CURLM_CALL_MULTI_PERFORM == rc);
 524
 525                 switch (rc) {
 526                         case CURLM_BAD_SOCKET:
 527 #if 0
 528                                 fprintf(stderr, "!!! Bad socket: %d (%d)\n", socket, (int) action);
 529 #endif
 530                         case CURLM_OK:
 531                                 break;
 532                         default:
 533                                 http_error(HE_WARNING, HTTP_E_SOCKET, curl_multi_strerror(rc));
 534                                 break;
 535                 }
 536
 537                 http_request_pool_responsehandler(pool);
 538
 539                 /* remove timeout if there are no transfers left */
 540                 if (!pool->unfinished && event_initialized(pool->timeout) && event_pending(pool->timeout, EV_TIMEOUT, NULL)) {
 541                         event_del(pool->timeout);
 542 #if HTTP_DEBUG_REQPOOLS
 543                         fprintf(stderr, "Removed timeout of pool %p\n", pool);
 544 #endif
 545                 }
 546         }
 547 }
 548 /* }}} */
 549
 550 /* {{{ static int http_request_pool_socket_callback(CURL *, curl_socket_t, int, void *, void *) */
 551 static int http_request_pool_socket_callback(CURL *easy, curl_socket_t sock, int action, void *socket_data, void *assign_data)
 552 {
 553         http_request_pool *pool = socket_data;
 554
 555         if (pool->useevents) {
 556                 int events = EV_PERSIST;
 557                 http_request_pool_event *ev = assign_data;
 558                 TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 559
 560                 if (!ev) {
 561                         ev = ecalloc(1, sizeof(http_request_pool_event));
 562                         ev->pool = pool;
 563                         curl_multi_assign(pool->ch, sock, ev);
 564                 } else {
 565                         event_del(&ev->evnt);
 566                 }
 567
 568 #if HTTP_DEBUG_REQPOOLS
 569                 {
 570                         static const char action_strings[][8] = {"NONE", "IN", "OUT", "INOUT", "REMOVE"};
 571                         http_request *r;
 572                         curl_easy_getinfo(easy, CURLINFO_PRIVATE, &r);
 573                         fprintf(stderr, "Callback on socket %d (%s) event %p of pool %p (%s)\n", (int) sock, action_strings[action], ev, pool, r->url);
 574                 }
 575 #endif
 576
 577                 switch (action) {
 578                         case CURL_POLL_IN:
 579                                 events |= EV_READ;
 580                                 break;
 581                         case CURL_POLL_OUT:
 582                                 events |= EV_WRITE;
 583                                 break;
 584                         case CURL_POLL_INOUT:
 585                                 events |= EV_READ|EV_WRITE;
 586                                 break;
 587
 588                         case CURL_POLL_REMOVE:
 589                                 efree(ev);
 590                         case CURL_POLL_NONE:
 591                                 return 0;
 592
 593                         default:
 594                                 http_error_ex(HE_WARNING, HTTP_E_SOCKET, "Unknown socket action %d", action);
 595                                 return -1;
 596                 }
 597
 598                 event_set(&ev->evnt, sock, events, http_request_pool_event_callback, ev);
 599                 event_base_set(HTTP_G->request.pool.event.base, &ev->evnt);
 600                 event_add(&ev->evnt, NULL);
 601         }
 602
 603         return 0;
 604 }
 605 /* }}} */
 606
 607 /* {{{ static void http_request_pool_timer_callback(CURLM *, long, void*) */
 608 static void http_request_pool_timer_callback(CURLM *multi, long timeout_ms, void *timer_data)
 609 {
 610         http_request_pool *pool = timer_data;
 611
 612         if (pool->useevents) {
 613                 TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 614                 struct timeval timeout = {timeout_ms / 1000, (timeout_ms % 1000) * 1000};
 615
 616                 if (event_initialized(pool->timeout) && event_pending(pool->timeout, EV_TIMEOUT, NULL)) {
 617                         event_del(pool->timeout);
 618                 }
 619
 620                 event_set(pool->timeout, -1, 0, http_request_pool_timeout_callback, pool);
 621                 event_base_set(HTTP_G->request.pool.event.base, pool->timeout);
 622                 event_add(pool->timeout, &timeout);
 623
 624 #if HTTP_DEBUG_REQPOOLS
 625                 fprintf(stderr, "Updating timeout (%lu, %lu) of pool %p\n", (ulong) timeout.tv_sec, (ulong) timeout.tv_usec, pool);
 626 #endif
 627         }
 628 }
 629 /* }}} */
 630 #endif /* HTTP_HAVE_EVENT */
 631
 632 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_CURL */
 633
 634
 635 /*
 636  * Local variables:
 637  * tab-width: 4
 638  * c-basic-offset: 4
 639  * End:
 640  * vim600: noet sw=4 ts=4 fdm=marker
 641  * vim<600: noet sw=4 ts=4
 642  */
 643