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"
27 #ifndef HTTP_DEBUG_REQPOOLS
28 # define HTTP_DEBUG_REQPOOLS 0
31 #ifndef HAVE_CURL_MULTI_STRERROR
32 # define curl_multi_strerror(dummy) "unknown error"
35 static int http_request_pool_compare_handles(void *h1
, void *h2
);
37 /* {{{ http_request_pool *http_request_pool_init(http_request_pool *) */
38 PHP_HTTP_API http_request_pool
*_http_request_pool_init(http_request_pool
*pool TSRMLS_DC
)
42 #if HTTP_DEBUG_REQPOOLS
43 fprintf(stderr
, "Initializing request pool %p\n", pool
);
46 if ((free_pool
= (!pool
))) {
47 pool
= emalloc(sizeof(http_request_pool
));
51 HTTP_CHECK_CURL_INIT(pool
->ch
, curl_multi_init(), ;);
60 zend_llist_init(&pool
->finished
, sizeof(zval
*), (llist_dtor_func_t
) ZVAL_PTR_DTOR
, 0);
61 zend_llist_init(&pool
->handles
, sizeof(zval
*), (llist_dtor_func_t
) ZVAL_PTR_DTOR
, 0);
63 #if HTTP_DEBUG_REQPOOLS
64 fprintf(stderr
, "Initialized request pool %p\n", pool
);
71 /* {{{ STATUS http_request_pool_attach(http_request_pool *, zval *) */
72 PHP_HTTP_API STATUS
_http_request_pool_attach(http_request_pool
*pool
, zval
*request TSRMLS_DC
)
74 getObjectEx(http_request_object
, req
, request
);
76 #if HTTP_DEBUG_REQPOOLS
77 fprintf(stderr
, "Attaching HttpRequest(#%d) %p to pool %p\n", Z_OBJ_HANDLE_P(request
), req
, pool
);
81 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");
82 } else if (SUCCESS
!= http_request_object_requesthandler(req
, request
)) {
83 http_error_ex(HE_WARNING
, HTTP_E_REQUEST
, "Could not initialize HttpRequest object(#%d) for attaching to the HttpRequestPool", Z_OBJ_HANDLE_P(request
));
85 CURLMcode code
= curl_multi_add_handle(pool
->ch
, req
->request
->ch
);
87 if ((CURLM_OK
!= code
) && (CURLM_CALL_MULTI_PERFORM
!= code
)) {
88 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
));
93 zend_llist_add_element(&pool
->handles
, &request
);
95 #if HTTP_DEBUG_REQPOOLS
96 fprintf(stderr
, "> %d HttpRequests attached to pool %p\n", zend_llist_count(&pool
->handles
), pool
);
105 /* {{{ STATUS http_request_pool_detach(http_request_pool *, zval *) */
106 PHP_HTTP_API STATUS
_http_request_pool_detach(http_request_pool
*pool
, zval
*request TSRMLS_DC
)
109 getObjectEx(http_request_object
, req
, request
);
111 #if HTTP_DEBUG_REQPOOLS
112 fprintf(stderr
, "Detaching HttpRequest(#%d) %p from pool %p\n", Z_OBJ_HANDLE_P(request
), req
, pool
);
116 /* not attached to any pool */
117 #if HTTP_DEBUG_REQPOOLS
118 fprintf(stderr
, "HttpRequest object(#%d) %p is not attached to any HttpRequestPool\n", Z_OBJ_HANDLE_P(request
), req
);
120 } else if (req
->pool
!= pool
) {
121 http_error_ex(HE_WARNING
, HTTP_E_INVALID_PARAM
, "HttpRequest object(#%d) is not attached to this HttpRequestPool", Z_OBJ_HANDLE_P(request
));
122 } else if (req
->request
->_in_progress_cb
) {
123 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
));
124 } else if (CURLM_OK
!= (code
= curl_multi_remove_handle(pool
->ch
, req
->request
->ch
))) {
125 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
));
128 zend_llist_del_element(&pool
->finished
, request
, http_request_pool_compare_handles
);
129 zend_llist_del_element(&pool
->handles
, request
, http_request_pool_compare_handles
);
131 #if HTTP_DEBUG_REQPOOLS
132 fprintf(stderr
, "> %d HttpRequests remaining in pool %p\n", zend_llist_count(&pool
->handles
), pool
);
141 /* {{{ void http_request_pool_apply(http_request_pool *, http_request_pool_apply_func) */
142 PHP_HTTP_API
void _http_request_pool_apply(http_request_pool
*pool
, http_request_pool_apply_func cb TSRMLS_DC
)
144 int count
= zend_llist_count(&pool
->handles
);
148 zend_llist_position pos
;
149 zval
**handle
, **handles
= emalloc(count
* sizeof(zval
*));
151 for (handle
= zend_llist_get_first_ex(&pool
->handles
, &pos
); handle
; handle
= zend_llist_get_next_ex(&pool
->handles
, &pos
)) {
152 handles
[i
++] = *handle
;
155 /* should never happen */
157 zend_error(E_ERROR
, "number of fetched request handles do not match overall count");
161 for (i
= 0; i
< count
; ++i
) {
162 if (cb(pool
, handles
[i
] TSRMLS_CC
)) {
171 /* {{{ void http_request_pool_apply_with_arg(http_request_pool *, http_request_pool_apply_with_arg_func, void *) */
172 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
)
174 int count
= zend_llist_count(&pool
->handles
);
178 zend_llist_position pos
;
179 zval
**handle
, **handles
= emalloc(count
* sizeof(zval
*));
181 for (handle
= zend_llist_get_first_ex(&pool
->handles
, &pos
); handle
; handle
= zend_llist_get_next_ex(&pool
->handles
, &pos
)) {
182 handles
[i
++] = *handle
;
185 /* should never happen */
187 zend_error(E_ERROR
, "number of fetched request handles do not match overall count");
191 for (i
= 0; i
< count
; ++i
) {
192 if (cb(pool
, handles
[i
], arg TSRMLS_CC
)) {
201 /* {{{ void http_request_pool_detach_all(http_request_pool *) */
202 PHP_HTTP_API
void _http_request_pool_detach_all(http_request_pool
*pool TSRMLS_DC
)
204 #if HTTP_DEBUG_REQPOOLS
205 fprintf(stderr
, "Detaching %d requests from pool %p\n", zend_llist_count(&pool
->handles
), pool
);
207 http_request_pool_apply(pool
, _http_request_pool_detach
);
211 /* {{{ STATUS http_request_pool_send(http_request_pool *) */
212 PHP_HTTP_API STATUS
_http_request_pool_send(http_request_pool
*pool TSRMLS_DC
)
214 #if HTTP_DEBUG_REQPOOLS
215 fprintf(stderr
, "Attempt to send %d requests of pool %p\n", zend_llist_count(&pool
->handles
), pool
);
218 while (http_request_pool_perform(pool
)) {
219 if (SUCCESS
!= http_request_pool_select(pool
)) {
221 /* see http://msdn.microsoft.com/library/en-us/winsock/winsock/windows_sockets_error_codes_2.asp */
222 http_error_ex(HE_WARNING
, HTTP_E_SOCKET
, "WinSock error: %d", WSAGetLastError());
224 http_error(HE_WARNING
, HTTP_E_SOCKET
, strerror(errno
));
230 #if HTTP_DEBUG_REQPOOLS
231 fprintf(stderr
, "Finished sending %d HttpRequests of pool %p (still unfinished: %d)\n", zend_llist_count(&pool
->handles
), pool
, pool
->unfinished
);
238 /* {{{ void http_request_pool_dtor(http_request_pool *) */
239 PHP_HTTP_API
void _http_request_pool_dtor(http_request_pool
*pool TSRMLS_DC
)
241 #if HTTP_DEBUG_REQPOOLS
242 fprintf(stderr
, "Destructing request pool %p\n", pool
);
245 pool
->unfinished
= 0;
246 zend_llist_clean(&pool
->finished
);
247 zend_llist_clean(&pool
->handles
);
248 curl_multi_cleanup(pool
->ch
);
253 # define SELECT_ERROR SOCKET_ERROR
255 # define SELECT_ERROR -1
258 /* {{{ STATUS http_request_pool_select(http_request_pool *) */
259 PHP_HTTP_API STATUS
_http_request_pool_select(http_request_pool
*pool
)
263 struct timeval timeout
= {1, 0};
264 #ifdef HAVE_CURL_MULTI_TIMEOUT
265 long max_tout
= 1000;
267 if ((CURLM_OK
== curl_multi_timeout(pool
->ch
, &max_tout
)) && (max_tout
!= -1)) {
268 timeout
.tv_sec
= max_tout
/ 1000;
269 timeout
.tv_usec
= (max_tout
% 1000) * 1000;
277 if (CURLM_OK
== curl_multi_fdset(pool
->ch
, &R
, &W
, &E
, &MAX
)) {
279 http_sleep((double) timeout
.tv_sec
+ (double) (timeout
.tv_usec
/ HTTP_MCROSEC
));
281 } else if (SELECT_ERROR
!= select(MAX
+ 1, &R
, &W
, &E
, &timeout
)) {
289 /* {{{ int http_request_pool_perform(http_request_pool *) */
290 PHP_HTTP_API
int _http_request_pool_perform(http_request_pool
*pool TSRMLS_DC
)
295 while (CURLM_CALL_MULTI_PERFORM
== curl_multi_perform(pool
->ch
, &pool
->unfinished
));
297 while ((msg
= curl_multi_info_read(pool
->ch
, &remaining
))) {
298 if (CURLMSG_DONE
== msg
->msg
) {
299 if (CURLE_OK
!= msg
->data
.result
) {
300 http_request
*r
= NULL
;
301 curl_easy_getinfo(msg
->easy_handle
, CURLINFO_PRIVATE
, &r
);
302 http_error_ex(HE_WARNING
, HTTP_E_REQUEST
, "%s; %s (%s)", curl_easy_strerror(msg
->data
.result
), r
?r
->_error
:"", r
?r
->url
:"");
304 http_request_pool_apply_with_arg(pool
, _http_request_pool_responsehandler
, msg
->easy_handle
);
308 return pool
->unfinished
;
312 /* {{{ void http_request_pool_responsehandler(http_request_pool *, zval *, void *) */
313 int _http_request_pool_responsehandler(http_request_pool
*pool
, zval
*req
, void *ch TSRMLS_DC
)
315 getObjectEx(http_request_object
, obj
, req
);
317 if ((!ch
) || obj
->request
->ch
== (CURL
*) ch
) {
319 #if HTTP_DEBUG_REQPOOLS
320 fprintf(stderr
, "Fetching data from HttpRequest(#%d) %p of pool %p\n", Z_OBJ_HANDLE_P(req
), obj
, obj
->pool
);
324 zend_llist_add_element(&obj
->pool
->finished
, &req
);
325 http_request_object_responsehandler(obj
, req
);
334 /* {{{ static int http_request_pool_compare_handles(void *, void *) */
335 static int http_request_pool_compare_handles(void *h1
, void *h2
)
337 return (Z_OBJ_HANDLE_PP((zval
**) h1
) == Z_OBJ_HANDLE_P((zval
*) h2
));
341 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_CURL */
349 * vim600: noet sw=4 ts=4 fdm=marker
350 * vim<600: noet sw=4 ts=4