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 #if 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                 while (CURLM_CALL_MULTI_PERFORM == code) {
 127 #ifdef HTTP_HAVE_EVENT
 128                         if (pool->useevents) {
 129                                 code = curl_multi_socket_all(pool->ch, &pool->unfinished);
 130                         } else {
 131 #endif
 132                                 code = curl_multi_perform(pool->ch, &pool->unfinished);
 133 #ifdef HTTP_HAVE_EVENT
 134                         }
 135 #endif
 136                 }
 137                 if (CURLM_OK != code) {
 138                         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));
 139                 } else {
 140                         req->pool = pool;
 141
 142                         ZVAL_ADDREF(request);
 143                         zend_llist_add_element(&pool->handles, &request);
 144
 145 #if HTTP_DEBUG_REQPOOLS
 146                         fprintf(stderr, "> %d HttpRequests attached to pool %p\n", zend_llist_count(&pool->handles), pool);
 147 #endif
 148                         return SUCCESS;
 149                 }
 150         }
 151         return FAILURE;
 152 }
 153 /* }}} */
 154
 155 /* {{{ STATUS http_request_pool_detach(http_request_pool *, zval *) */
 156 PHP_HTTP_API STATUS _http_request_pool_detach(http_request_pool *pool, zval *request)
 157 {
 158         CURLMcode code;
 159         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 160         getObjectEx(http_request_object, req, request);
 161
 162 #if HTTP_DEBUG_REQPOOLS
 163         fprintf(stderr, "Detaching HttpRequest(#%d) %p from pool %p\n", Z_OBJ_HANDLE_P(request), req, pool);
 164 #endif
 165
 166         if (!req->pool) {
 167                 /* not attached to any pool */
 168 #if HTTP_DEBUG_REQPOOLS
 169                 fprintf(stderr, "HttpRequest object(#%d) %p is not attached to any HttpRequestPool\n", Z_OBJ_HANDLE_P(request), req);
 170 #endif
 171         } else if (req->pool != pool) {
 172                 http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "HttpRequest object(#%d) is not attached to this HttpRequestPool", Z_OBJ_HANDLE_P(request));
 173         } else if (req->request->_in_progress_cb) {
 174                 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));
 175         } else if (CURLM_OK != (code = curl_multi_remove_handle(pool->ch, req->request->ch))) {
 176                 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));
 177         } else {
 178                 req->pool = NULL;
 179                 zend_llist_del_element(&pool->finished, request, http_request_pool_compare_handles);
 180                 zend_llist_del_element(&pool->handles, request, http_request_pool_compare_handles);
 181
 182 #if HTTP_DEBUG_REQPOOLS
 183                 fprintf(stderr, "> %d HttpRequests remaining in pool %p\n", zend_llist_count(&pool->handles), pool);
 184 #endif
 185
 186                 return SUCCESS;
 187         }
 188         return FAILURE;
 189 }
 190 /* }}} */
 191
 192 /* {{{ void http_request_pool_apply(http_request_pool *, http_request_pool_apply_func) */
 193 PHP_HTTP_API void _http_request_pool_apply(http_request_pool *pool, http_request_pool_apply_func cb)
 194 {
 195         int count = zend_llist_count(&pool->handles);
 196
 197         if (count) {
 198                 int i = 0;
 199                 zend_llist_position pos;
 200                 zval **handle, **handles = emalloc(count * sizeof(zval *));
 201
 202                 for (handle = zend_llist_get_first_ex(&pool->handles, &pos); handle; handle = zend_llist_get_next_ex(&pool->handles, &pos)) {
 203                         handles[i++] = *handle;
 204                 }
 205
 206                 /* should never happen */
 207                 if (i != count) {
 208                         zend_error(E_ERROR, "number of fetched request handles do not match overall count");
 209                         count = i;
 210                 }
 211
 212                 for (i = 0; i < count; ++i) {
 213                         if (cb(pool, handles[i])) {
 214                                 break;
 215                         }
 216                 }
 217                 efree(handles);
 218         }
 219 }
 220 /* }}} */
 221
 222 /* {{{ void http_request_pool_apply_with_arg(http_request_pool *, http_request_pool_apply_with_arg_func, void *) */
 223 PHP_HTTP_API void _http_request_pool_apply_with_arg(http_request_pool *pool, http_request_pool_apply_with_arg_func cb, void *arg)
 224 {
 225         int count = zend_llist_count(&pool->handles);
 226
 227         if (count) {
 228                 int i = 0;
 229                 zend_llist_position pos;
 230                 zval **handle, **handles = emalloc(count * sizeof(zval *));
 231
 232                 for (handle = zend_llist_get_first_ex(&pool->handles, &pos); handle; handle = zend_llist_get_next_ex(&pool->handles, &pos)) {
 233                         handles[i++] = *handle;
 234                 }
 235
 236                 /* should never happen */
 237                 if (i != count) {
 238                         zend_error(E_ERROR, "number of fetched request handles do not match overall count");
 239                         count = i;
 240                 }
 241
 242                 for (i = 0; i < count; ++i) {
 243                         if (cb(pool, handles[i], arg)) {
 244                                 break;
 245                         }
 246                 }
 247                 efree(handles);
 248         }
 249 }
 250 /* }}} */
 251
 252 /* {{{ void http_request_pool_detach_all(http_request_pool *) */
 253 PHP_HTTP_API void _http_request_pool_detach_all(http_request_pool *pool)
 254 {
 255 #if HTTP_DEBUG_REQPOOLS
 256         fprintf(stderr, "Detaching %d requests from pool %p\n", zend_llist_count(&pool->handles), pool);
 257 #endif
 258         http_request_pool_apply(pool, _http_request_pool_detach);
 259 }
 260 /* }}} */
 261
 262 /* {{{ STATUS http_request_pool_send(http_request_pool *) */
 263 PHP_HTTP_API STATUS _http_request_pool_send(http_request_pool *pool)
 264 {
 265         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 266
 267 #if HTTP_DEBUG_REQPOOLS
 268         fprintf(stderr, "Attempt to send %d requests of pool %p\n", zend_llist_count(&pool->handles), pool);
 269 #endif
 270
 271 #ifdef HTTP_HAVE_EVENT
 272         if (pool->useevents) {
 273                 while (CURLM_CALL_MULTI_PERFORM == curl_multi_socket_all(pool->ch, &pool->unfinished));
 274                 event_base_dispatch(HTTP_G->request.pool.event.base);
 275         } else
 276 #endif
 277         {
 278                 while (http_request_pool_perform(pool)) {
 279                         if (SUCCESS != http_request_pool_select(pool)) {
 280 #ifdef PHP_WIN32
 281                                 /* see http://msdn.microsoft.com/library/en-us/winsock/winsock/windows_sockets_error_codes_2.asp */
 282                                 http_error_ex(HE_WARNING, HTTP_E_SOCKET, "WinSock error: %d", WSAGetLastError());
 283 #else
 284                                 http_error(HE_WARNING, HTTP_E_SOCKET, strerror(errno));
 285 #endif
 286                                 return FAILURE;
 287                         }
 288                 }
 289         }
 290
 291 #if HTTP_DEBUG_REQPOOLS
 292         fprintf(stderr, "Finished sending %d HttpRequests of pool %p (still unfinished: %d)\n", zend_llist_count(&pool->handles), pool, pool->unfinished);
 293 #endif
 294
 295         return SUCCESS;
 296 }
 297 /* }}} */
 298
 299 /* {{{ void http_request_pool_dtor(http_request_pool *) */
 300 PHP_HTTP_API void _http_request_pool_dtor(http_request_pool *pool)
 301 {
 302         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 303
 304 #if HTTP_DEBUG_REQPOOLS
 305         fprintf(stderr, "Destructing request pool %p\n", pool);
 306 #endif
 307
 308 #if HTTP_HAVE_EVENT
 309         efree(pool->timeout);
 310 #endif
 311
 312         pool->unfinished = 0;
 313         zend_llist_clean(&pool->finished);
 314         zend_llist_clean(&pool->handles);
 315         http_persistent_handle_release("http_request_pool", &pool->ch);
 316 }
 317 /* }}} */
 318
 319 #ifdef PHP_WIN32
 320 #       define SELECT_ERROR SOCKET_ERROR
 321 #else
 322 #       define SELECT_ERROR -1
 323 #endif
 324
 325 /* {{{ STATUS http_request_pool_select(http_request_pool *) */
 326 PHP_HTTP_API STATUS _http_request_pool_select(http_request_pool *pool)
 327 {
 328         int MAX;
 329         fd_set R, W, E;
 330         struct timeval timeout;
 331
 332 #ifdef HTTP_HAVE_EVENT
 333         if (pool->useevents) {
 334                 TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 335                 http_error(HE_WARNING, HTTP_E_RUNTIME, "not implemented; use HttpRequest callbacks");
 336                 return FAILURE;
 337         }
 338 #endif
 339
 340         http_request_pool_timeout(pool, &timeout);
 341
 342         FD_ZERO(&R);
 343         FD_ZERO(&W);
 344         FD_ZERO(&E);
 345
 346         if (CURLM_OK == curl_multi_fdset(pool->ch, &R, &W, &E, &MAX)) {
 347                 if (MAX == -1) {
 348                         http_sleep((double) timeout.tv_sec + (double) (timeout.tv_usec / HTTP_MCROSEC));
 349                         return SUCCESS;
 350                 } else if (SELECT_ERROR != select(MAX + 1, &R, &W, &E, &timeout)) {
 351                         return SUCCESS;
 352                 }
 353         }
 354         return FAILURE;
 355 }
 356 /* }}} */
 357
 358 /* {{{ int http_request_pool_perform(http_request_pool *) */
 359 PHP_HTTP_API int _http_request_pool_perform(http_request_pool *pool)
 360 {
 361         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 362
 363 #ifdef HTTP_HAVE_EVENT
 364         if (pool->useevents) {
 365                 http_error(HE_WARNING, HTTP_E_RUNTIME, "not implemented; use HttpRequest callbacks");
 366                 return FAILURE;
 367         }
 368 #endif
 369
 370         while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform(pool->ch, &pool->unfinished));
 371
 372 #if HTTP_DEBUG_REQPOOLS
 373         fprintf(stderr, "%u unfinished requests of pool %p remaining\n", pool->unfinished, pool);
 374 #endif
 375
 376         http_request_pool_responsehandler(pool);
 377
 378         return pool->unfinished;
 379 }
 380 /* }}} */
 381
 382 /* {{{ void http_request_pool_responsehandler(http_request_pool *) */
 383 void _http_request_pool_responsehandler(http_request_pool *pool)
 384 {
 385         CURLMsg *msg;
 386         int remaining = 0;
 387         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 388
 389         do {
 390                 msg = curl_multi_info_read(pool->ch, &remaining);
 391                 if (msg && CURLMSG_DONE == msg->msg) {
 392                         if (CURLE_OK != msg->data.result) {
 393                                 http_request *r = NULL;
 394                                 curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, &r);
 395                                 http_error_ex(HE_WARNING, HTTP_E_REQUEST, "%s; %s (%s)", curl_easy_strerror(msg->data.result), r?r->_error:"", r?r->url:"");
 396                         }
 397                         http_request_pool_apply_with_arg(pool, _http_request_pool_apply_responsehandler, msg->easy_handle);
 398                 }
 399         } while (remaining);
 400 }
 401 /* }}} */
 402
 403 /* {{{ int http_request_pool_apply_responsehandler(http_request_pool *, zval *, void *) */
 404 int _http_request_pool_apply_responsehandler(http_request_pool *pool, zval *req, void *ch)
 405 {
 406         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 407         getObjectEx(http_request_object, obj, req);
 408
 409         if ((!ch) || obj->request->ch == (CURL *) ch) {
 410
 411 #if HTTP_DEBUG_REQPOOLS
 412                 fprintf(stderr, "Fetching data from HttpRequest(#%d) %p of pool %p\n", Z_OBJ_HANDLE_P(req), obj, obj->pool);
 413 #endif
 414
 415                 ZVAL_ADDREF(req);
 416                 zend_llist_add_element(&obj->pool->finished, &req);
 417                 http_request_object_responsehandler(obj, req);
 418                 return 1;
 419         }
 420         return 0;
 421 }
 422 /* }}} */
 423
 424 /* {{{ struct timeval *_http_request_pool_timeout(http_request_pool *, struct timeval *) */
 425 struct timeval *_http_request_pool_timeout(http_request_pool *pool, struct timeval *timeout)
 426 {
 427 #ifdef HAVE_CURL_MULTI_TIMEOUT
 428         long max_tout = 1000;
 429
 430         if ((CURLM_OK == curl_multi_timeout(pool->ch, &max_tout)) && (max_tout != -1)) {
 431                 timeout->tv_sec = max_tout / 1000;
 432                 timeout->tv_usec = (max_tout % 1000) * 1000;
 433         } else {
 434 #endif
 435                 timeout->tv_sec = 1;
 436                 timeout->tv_usec = 0;
 437 #ifdef HAVE_CURL_MULTI_TIMEOUT
 438         }
 439 #endif
 440
 441 #if HTTP_DEBUG_REQPOOLS
 442         fprintf(stderr, "Calculating timeout (%lu, %lu) of pool %p\n", (ulong) timeout->tv_sec, (ulong) timeout->tv_usec, pool);
 443 #endif
 444
 445         return timeout;
 446 }
 447 /* }}} */
 448
 449 /*#*/
 450
 451 /* {{{ static int http_request_pool_compare_handles(void *, void *) */
 452 static int http_request_pool_compare_handles(void *h1, void *h2)
 453 {
 454         return (Z_OBJ_HANDLE_PP((zval **) h1) == Z_OBJ_HANDLE_P((zval *) h2));
 455 }
 456 /* }}} */
 457
 458 #ifdef HTTP_HAVE_EVENT
 459 /* {{{ static void http_request_pool_timeout_callback(int, short, void *) */
 460 static void http_request_pool_timeout_callback(int socket, short action, void *event_data)
 461 {
 462         CURLMcode rc;
 463         http_request_pool *pool = event_data;
 464         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 465
 466 #if HTTP_DEBUG_REQPOOLS
 467         fprintf(stderr, "Timeout occurred of pool %p\n", pool);
 468 #endif
 469
 470         while (CURLM_CALL_MULTI_PERFORM == (rc = curl_multi_socket(pool->ch, CURL_SOCKET_TIMEOUT, &pool->unfinished)));
 471
 472         if (CURLM_OK != rc) {
 473                 http_error(HE_WARNING, HTTP_E_SOCKET, curl_multi_strerror(rc));
 474         }
 475 }
 476 /* }}} */
 477
 478 /* {{{ static void http_request_pool_event_callback(int, short, void *) */
 479 static void http_request_pool_event_callback(int socket, short action, void *event_data)
 480 {
 481         CURLMcode rc = CURLE_OK;
 482         http_request_pool_event *ev = event_data;
 483         http_request_pool *pool = ev->pool;
 484         TSRMLS_FETCH_FROM_CTX(ev->pool->tsrm_ls);
 485
 486 #if HTTP_DEBUG_REQPOOLS
 487         {
 488                 static const char event_strings[][20] = {"NONE","TIMEOUT","READ","TIMEOUT|READ","WRITE","TIMEOUT|WRITE","READ|WRITE","TIMEOUT|READ|WRITE","SIGNAL"};
 489                 fprintf(stderr, "Event on socket %d (%s) event %p of pool %p\n", socket, event_strings[action], ev, pool);
 490         }
 491 #endif
 492
 493         /* don't use 'ev' below this loop as it might 've been freed in the socket callback */
 494         do {
 495 #ifdef HAVE_CURL_MULTI_SOCKET_ACTION
 496                 switch (action & (EV_READ|EV_WRITE)) {
 497                         case EV_READ:
 498                                 rc = curl_multi_socket_action(pool->ch, socket, CURL_CSELECT_IN, &pool->unfinished);
 499                                 break;
 500                         case EV_WRITE:
 501                                 rc = curl_multi_socket_action(pool->ch, socket, CURL_CSELECT_OUT, &pool->unfinished);
 502                                 break;
 503                         case EV_READ|EV_WRITE:
 504                                 rc = curl_multi_socket_action(pool->chm socket, CURL_CSELECT_IN|CURL_CSELECT_OUT, &pool->unfinished);
 505                                 break;
 506                         default:
 507                                 http_error(HE_WARNING, HTTP_E_SOCKET, "Unknown event %d", (int) action);
 508                                 return;
 509                 }
 510 #else
 511                 rc = curl_multi_socket(pool->ch, socket, &pool->unfinished);
 512 #endif
 513         } while (CURLM_CALL_MULTI_PERFORM == rc);
 514
 515         if (CURLM_OK != rc) {
 516                 http_error(HE_WARNING, HTTP_E_SOCKET, curl_multi_strerror(rc));
 517         }
 518
 519         http_request_pool_responsehandler(pool);
 520
 521         /* remove timeout if there are no transfers left */
 522         if (!pool->unfinished && event_initialized(pool->timeout) && event_pending(pool->timeout, EV_TIMEOUT, NULL)) {
 523                 event_del(pool->timeout);
 524 #if HTTP_DEBUG_REQPOOLS
 525                 fprintf(stderr, "Removed timeout of pool %p\n", pool);
 526 #endif
 527         }
 528 }
 529 /* }}} */
 530
 531 /* {{{ static int http_request_pool_socket_callback(CURL *, curl_socket_t, int, void *, void *) */
 532 static int http_request_pool_socket_callback(CURL *easy, curl_socket_t sock, int action, void *socket_data, void *assign_data)
 533 {
 534         int events = EV_PERSIST;
 535         http_request_pool *pool = socket_data;
 536         http_request_pool_event *ev = assign_data;
 537         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 538
 539         if (!ev) {
 540                 ev = ecalloc(1, sizeof(http_request_pool_event));
 541                 ev->pool = pool;
 542                 curl_multi_assign(pool->ch, sock, ev);
 543         } else {
 544                 event_del(&ev->evnt);
 545         }
 546
 547 #if HTTP_DEBUG_REQPOOLS
 548         {
 549                 static const char action_strings[][8] = {"NONE", "IN", "OUT", "INOUT", "REMOVE"};
 550                 http_request *r;
 551                 curl_easy_getinfo(easy, CURLINFO_PRIVATE, &r);
 552                 fprintf(stderr, "Callback on socket %d (%s) event %p of pool %p (%s)\n", (int) sock, action_strings[action], ev, pool, r->url);
 553         }
 554 #endif
 555
 556         switch (action) {
 557                 case CURL_POLL_IN:
 558                         events |= EV_READ;
 559                         break;
 560                 case CURL_POLL_OUT:
 561                         events |= EV_WRITE;
 562                         break;
 563                 case CURL_POLL_INOUT:
 564                         events |= EV_READ|EV_WRITE;
 565                         break;
 566
 567                 case CURL_POLL_REMOVE:
 568                         efree(ev);
 569                 case CURL_POLL_NONE:
 570                         return 0;
 571
 572                 default:
 573                         http_error_ex(HE_WARNING, HTTP_E_SOCKET, "Unknown socket action %d", action);
 574                         return -1;
 575         }
 576
 577         event_set(&ev->evnt, sock, events, http_request_pool_event_callback, ev);
 578         event_base_set(HTTP_G->request.pool.event.base, &ev->evnt);
 579         event_add(&ev->evnt, NULL);
 580
 581         return 0;
 582 }
 583 /* }}} */
 584
 585 /* {{{ static void http_request_pool_timer_callback(CURLM *, long, void*) */
 586 static void http_request_pool_timer_callback(CURLM *multi, long timeout_ms, void *timer_data)
 587 {
 588         http_request_pool *pool = timer_data;
 589         TSRMLS_FETCH_FROM_CTX(pool->tsrm_ls);
 590         struct timeval timeout = {timeout_ms / 1000, (timeout_ms % 1000) * 1000};
 591
 592         if (event_initialized(pool->timeout) && event_pending(pool->timeout, EV_TIMEOUT, NULL)) {
 593                 event_del(pool->timeout);
 594         }
 595
 596         if (pool->unfinished) {
 597                 event_set(pool->timeout, -1, 0, http_request_pool_timeout_callback, pool);
 598                 event_base_set(HTTP_G->request.pool.event.base, pool->timeout);
 599                 event_add(pool->timeout, &timeout);
 600
 601 #if HTTP_DEBUG_REQPOOLS
 602                 fprintf(stderr, "Updating timeout (%lu, %lu) of pool %p\n", (ulong) timeout.tv_sec, (ulong) timeout.tv_usec, pool);
 603 #endif
 604         }
 605 #if HTTP_DEBUG_REQPOOLS
 606                 else fprintf(stderr, "Removed timeout of pool %p\n", pool);
 607 #endif
 608 }
 609 /* }}} */
 610 #endif /* HTTP_HAVE_EVENT */
 611
 612 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_CURL */
 613
 614
 615 /*
 616  * Local variables:
 617  * tab-width: 4
 618  * c-basic-offset: 4
 619  * End:
 620  * vim600: noet sw=4 ts=4 fdm=marker
 621  * vim<600: noet sw=4 ts=4
 622  */
 623