2 +--------------------------------------------------------------------+
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) 2004-2006, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
15 #define HTTP_WANT_CURL
18 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
20 #include "php_http_api.h"
21 #include "php_http_exception_object.h"
22 #include "php_http_request_api.h"
23 #include "php_http_request_object.h"
24 #include "php_http_request_pool_api.h"
25 #include "php_http_requestpool_object.h"
26 #include "php_http_persistent_handle_api.h"
28 #ifndef HTTP_DEBUG_REQPOOLS
29 # define HTTP_DEBUG_REQPOOLS 0
32 #ifdef HTTP_HAVE_PERSISTENT_HANDLES
33 # define HTTP_CURL_MULTI_CTOR(ch) (SUCCESS == http_persistent_handle_acquire("http_request_pool", &(ch)))
34 # define HTTP_CURL_MULTI_DTOR(chp) http_persistent_handle_release("http_request_pool", (chp))
36 # define HTTP_CURL_MULTI_CTOR(ch) ((ch) = curl_multi_init())
37 # define HTTP_CURL_MULTI_DTOR(chp) curl_multi_cleanup(*(chp)); *(chp) = NULL
40 static int http_request_pool_compare_handles(void *h1
, void *h2
);
42 #ifdef HTTP_HAVE_PERSISTENT_HANDLES
43 PHP_MINIT_FUNCTION(http_request_pool
)
45 if (SUCCESS
!= http_persistent_handle_provide("http_request_pool", curl_multi_init
, (http_persistent_handle_dtor
) curl_multi_cleanup
)) {
52 /* {{{ http_request_pool *http_request_pool_init(http_request_pool *) */
53 PHP_HTTP_API http_request_pool
*_http_request_pool_init(http_request_pool
*pool TSRMLS_DC
)
57 #if HTTP_DEBUG_REQPOOLS
58 fprintf(stderr
, "Initializing request pool %p\n", pool
);
61 if ((free_pool
= (!pool
))) {
62 pool
= emalloc(sizeof(http_request_pool
));
66 if (!HTTP_CURL_MULTI_CTOR(pool
->ch
)) {
74 zend_llist_init(&pool
->finished
, sizeof(zval
*), (llist_dtor_func_t
) ZVAL_PTR_DTOR
, 0);
75 zend_llist_init(&pool
->handles
, sizeof(zval
*), (llist_dtor_func_t
) ZVAL_PTR_DTOR
, 0);
77 #if HTTP_DEBUG_REQPOOLS
78 fprintf(stderr
, "Initialized request pool %p\n", pool
);
85 /* {{{ STATUS http_request_pool_attach(http_request_pool *, zval *) */
86 PHP_HTTP_API STATUS
_http_request_pool_attach(http_request_pool
*pool
, zval
*request TSRMLS_DC
)
88 getObjectEx(http_request_object
, req
, request
);
90 #if HTTP_DEBUG_REQPOOLS
91 fprintf(stderr
, "Attaching HttpRequest(#%d) %p to pool %p\n", Z_OBJ_HANDLE_P(request
), req
, pool
);
95 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");
96 } else if (SUCCESS
!= http_request_object_requesthandler(req
, request
)) {
97 http_error_ex(HE_WARNING
, HTTP_E_REQUEST
, "Could not initialize HttpRequest object(#%d) for attaching to the HttpRequestPool", Z_OBJ_HANDLE_P(request
));
99 CURLMcode code
= curl_multi_add_handle(pool
->ch
, req
->request
->ch
);
101 if ((CURLM_OK
!= code
) && (CURLM_CALL_MULTI_PERFORM
!= code
)) {
102 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
));
106 ZVAL_ADDREF(request
);
107 zend_llist_add_element(&pool
->handles
, &request
);
109 #if HTTP_DEBUG_REQPOOLS
110 fprintf(stderr
, "> %d HttpRequests attached to pool %p\n", zend_llist_count(&pool
->handles
), pool
);
119 /* {{{ STATUS http_request_pool_detach(http_request_pool *, zval *) */
120 PHP_HTTP_API STATUS
_http_request_pool_detach(http_request_pool
*pool
, zval
*request TSRMLS_DC
)
123 getObjectEx(http_request_object
, req
, request
);
125 #if HTTP_DEBUG_REQPOOLS
126 fprintf(stderr
, "Detaching HttpRequest(#%d) %p from pool %p\n", Z_OBJ_HANDLE_P(request
), req
, pool
);
130 /* not attached to any pool */
131 #if HTTP_DEBUG_REQPOOLS
132 fprintf(stderr
, "HttpRequest object(#%d) %p is not attached to any HttpRequestPool\n", Z_OBJ_HANDLE_P(request
), req
);
134 } else if (req
->pool
!= pool
) {
135 http_error_ex(HE_WARNING
, HTTP_E_INVALID_PARAM
, "HttpRequest object(#%d) is not attached to this HttpRequestPool", Z_OBJ_HANDLE_P(request
));
136 } else if (req
->request
->_in_progress_cb
) {
137 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
));
138 } else if (CURLM_OK
!= (code
= curl_multi_remove_handle(pool
->ch
, req
->request
->ch
))) {
139 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
));
142 zend_llist_del_element(&pool
->finished
, request
, http_request_pool_compare_handles
);
143 zend_llist_del_element(&pool
->handles
, request
, http_request_pool_compare_handles
);
145 #if HTTP_DEBUG_REQPOOLS
146 fprintf(stderr
, "> %d HttpRequests remaining in pool %p\n", zend_llist_count(&pool
->handles
), pool
);
155 /* {{{ void http_request_pool_apply(http_request_pool *, http_request_pool_apply_func) */
156 PHP_HTTP_API
void _http_request_pool_apply(http_request_pool
*pool
, http_request_pool_apply_func cb TSRMLS_DC
)
158 int count
= zend_llist_count(&pool
->handles
);
162 zend_llist_position pos
;
163 zval
**handle
, **handles
= emalloc(count
* sizeof(zval
*));
165 for (handle
= zend_llist_get_first_ex(&pool
->handles
, &pos
); handle
; handle
= zend_llist_get_next_ex(&pool
->handles
, &pos
)) {
166 handles
[i
++] = *handle
;
169 /* should never happen */
171 zend_error(E_ERROR
, "number of fetched request handles do not match overall count");
175 for (i
= 0; i
< count
; ++i
) {
176 if (cb(pool
, handles
[i
] TSRMLS_CC
)) {
185 /* {{{ void http_request_pool_apply_with_arg(http_request_pool *, http_request_pool_apply_with_arg_func, void *) */
186 PHP_HTTP_API
void _http_request_pool_apply_with_arg(http_request_pool
*pool
, http_request_pool_apply_with_arg_func cb
, void *arg TSRMLS_DC
)
188 int count
= zend_llist_count(&pool
->handles
);
192 zend_llist_position pos
;
193 zval
**handle
, **handles
= emalloc(count
* sizeof(zval
*));
195 for (handle
= zend_llist_get_first_ex(&pool
->handles
, &pos
); handle
; handle
= zend_llist_get_next_ex(&pool
->handles
, &pos
)) {
196 handles
[i
++] = *handle
;
199 /* should never happen */
201 zend_error(E_ERROR
, "number of fetched request handles do not match overall count");
205 for (i
= 0; i
< count
; ++i
) {
206 if (cb(pool
, handles
[i
], arg TSRMLS_CC
)) {
215 /* {{{ void http_request_pool_detach_all(http_request_pool *) */
216 PHP_HTTP_API
void _http_request_pool_detach_all(http_request_pool
*pool TSRMLS_DC
)
218 #if HTTP_DEBUG_REQPOOLS
219 fprintf(stderr
, "Detaching %d requests from pool %p\n", zend_llist_count(&pool
->handles
), pool
);
221 http_request_pool_apply(pool
, _http_request_pool_detach
);
225 /* {{{ STATUS http_request_pool_send(http_request_pool *) */
226 PHP_HTTP_API STATUS
_http_request_pool_send(http_request_pool
*pool TSRMLS_DC
)
228 #if HTTP_DEBUG_REQPOOLS
229 fprintf(stderr
, "Attempt to send %d requests of pool %p\n", zend_llist_count(&pool
->handles
), pool
);
232 while (http_request_pool_perform(pool
)) {
233 if (SUCCESS
!= http_request_pool_select(pool
)) {
235 /* see http://msdn.microsoft.com/library/en-us/winsock/winsock/windows_sockets_error_codes_2.asp */
236 http_error_ex(HE_WARNING
, HTTP_E_SOCKET
, "WinSock error: %d", WSAGetLastError());
238 http_error(HE_WARNING
, HTTP_E_SOCKET
, strerror(errno
));
244 #if HTTP_DEBUG_REQPOOLS
245 fprintf(stderr
, "Finished sending %d HttpRequests of pool %p (still unfinished: %d)\n", zend_llist_count(&pool
->handles
), pool
, pool
->unfinished
);
252 /* {{{ void http_request_pool_dtor(http_request_pool *) */
253 PHP_HTTP_API
void _http_request_pool_dtor(http_request_pool
*pool TSRMLS_DC
)
255 #if HTTP_DEBUG_REQPOOLS
256 fprintf(stderr
, "Destructing request pool %p\n", pool
);
259 pool
->unfinished
= 0;
260 zend_llist_clean(&pool
->finished
);
261 zend_llist_clean(&pool
->handles
);
262 HTTP_CURL_MULTI_DTOR(&pool
->ch
);
267 # define SELECT_ERROR SOCKET_ERROR
269 # define SELECT_ERROR -1
272 /* {{{ STATUS http_request_pool_select(http_request_pool *) */
273 PHP_HTTP_API STATUS
_http_request_pool_select(http_request_pool
*pool
)
277 struct timeval timeout
= {1, 0};
278 #ifdef HAVE_CURL_MULTI_TIMEOUT
279 long max_tout
= 1000;
281 if ((CURLM_OK
== curl_multi_timeout(pool
->ch
, &max_tout
)) && (max_tout
!= -1)) {
282 timeout
.tv_sec
= max_tout
/ 1000;
283 timeout
.tv_usec
= (max_tout
% 1000) * 1000;
291 if (CURLM_OK
== curl_multi_fdset(pool
->ch
, &R
, &W
, &E
, &MAX
)) {
293 http_sleep((double) timeout
.tv_sec
+ (double) (timeout
.tv_usec
/ HTTP_MCROSEC
));
295 } else if (SELECT_ERROR
!= select(MAX
+ 1, &R
, &W
, &E
, &timeout
)) {
303 /* {{{ int http_request_pool_perform(http_request_pool *) */
304 PHP_HTTP_API
int _http_request_pool_perform(http_request_pool
*pool TSRMLS_DC
)
309 while (CURLM_CALL_MULTI_PERFORM
== curl_multi_perform(pool
->ch
, &pool
->unfinished
));
311 while ((msg
= curl_multi_info_read(pool
->ch
, &remaining
))) {
312 if (CURLMSG_DONE
== msg
->msg
) {
313 if (CURLE_OK
!= msg
->data
.result
) {
314 http_request
*r
= NULL
;
315 curl_easy_getinfo(msg
->easy_handle
, CURLINFO_PRIVATE
, &r
);
316 http_error_ex(HE_WARNING
, HTTP_E_REQUEST
, "%s; %s (%s)", curl_easy_strerror(msg
->data
.result
), r
?r
->_error
:"", r
?r
->url
:"");
318 http_request_pool_apply_with_arg(pool
, _http_request_pool_responsehandler
, msg
->easy_handle
);
322 return pool
->unfinished
;
326 /* {{{ void http_request_pool_responsehandler(http_request_pool *, zval *, void *) */
327 int _http_request_pool_responsehandler(http_request_pool
*pool
, zval
*req
, void *ch TSRMLS_DC
)
329 getObjectEx(http_request_object
, obj
, req
);
331 if ((!ch
) || obj
->request
->ch
== (CURL
*) ch
) {
333 #if HTTP_DEBUG_REQPOOLS
334 fprintf(stderr
, "Fetching data from HttpRequest(#%d) %p of pool %p\n", Z_OBJ_HANDLE_P(req
), obj
, obj
->pool
);
338 zend_llist_add_element(&obj
->pool
->finished
, &req
);
339 http_request_object_responsehandler(obj
, req
);
348 /* {{{ static int http_request_pool_compare_handles(void *, void *) */
349 static int http_request_pool_compare_handles(void *h1
, void *h2
)
351 return (Z_OBJ_HANDLE_PP((zval
**) h1
) == Z_OBJ_HANDLE_P((zval
*) h2
));
355 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_CURL */
363 * vim600: noet sw=4 ts=4 fdm=marker
364 * vim<600: noet sw=4 ts=4