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) 2004-2005, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
19 #define HTTP_WANT_CURL
22 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
24 #include "php_http_api.h"
25 #include "php_http_exception_object.h"
26 #include "php_http_request_api.h"
27 #include "php_http_request_object.h"
28 #include "php_http_request_pool_api.h"
29 #include "php_http_requestpool_object.h"
31 #ifndef HTTP_DEBUG_REQPOOLS
32 # define HTTP_DEBUG_REQPOOLS 0
35 ZEND_EXTERN_MODULE_GLOBALS(http
);
37 #ifndef HAVE_CURL_MULTI_STRERROR
38 # define curl_multi_strerror(dummy) "unknown error"
41 static void http_request_pool_freebody(http_request_callback_ctx
**body
);
42 static int http_request_pool_compare_handles(void *h1
, void *h2
);
44 /* {{{ http_request_pool *http_request_pool_init(http_request_pool *) */
45 PHP_HTTP_API http_request_pool
*_http_request_pool_init(http_request_pool
*pool TSRMLS_DC
)
49 #if HTTP_DEBUG_REQPOOLS
50 fprintf(stderr
, "Initializing request pool %p\n", pool
);
53 if ((free_pool
= (!pool
))) {
54 pool
= emalloc(sizeof(http_request_pool
));
58 HTTP_CHECK_CURL_INIT(pool
->ch
, curl_multi_init(), ;);
67 zend_llist_init(&pool
->finished
, sizeof(zval
*), (llist_dtor_func_t
) ZVAL_PTR_DTOR
, 0);
68 zend_llist_init(&pool
->handles
, sizeof(zval
*), (llist_dtor_func_t
) ZVAL_PTR_DTOR
, 0);
69 zend_llist_init(&pool
->bodies
, sizeof(http_request_callback_ctx
*), (llist_dtor_func_t
) http_request_pool_freebody
, 0);
71 #if HTTP_DEBUG_REQPOOLS
72 fprintf(stderr
, "Initialized request pool %p\n", pool
);
79 /* {{{ STATUS http_request_pool_attach(http_request_pool *, zval *) */
80 PHP_HTTP_API STATUS
_http_request_pool_attach(http_request_pool
*pool
, zval
*request TSRMLS_DC
)
82 getObjectEx(http_request_object
, req
, request
);
84 #if HTTP_DEBUG_REQPOOLS
85 fprintf(stderr
, "Attaching HttpRequest(#%d) %p to pool %p\n", Z_OBJ_HANDLE_P(request
), req
, pool
);
89 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");
91 http_request_callback_ctx
*body
= http_request_callback_data_ex(http_request_body_new(), 0);
93 if (SUCCESS
!= http_request_pool_requesthandler(request
, body
->data
)) {
94 http_error_ex(HE_WARNING
, HTTP_E_REQUEST
, "Could not initialize HttpRequest object for attaching to the HttpRequestPool");
96 CURLMcode code
= curl_multi_add_handle(pool
->ch
, req
->ch
);
98 if ((CURLM_OK
!= code
) && (CURLM_CALL_MULTI_PERFORM
!= code
)) {
99 http_error_ex(HE_WARNING
, HTTP_E_REQUEST_POOL
, "Could not attach HttpRequest object to the HttpRequestPool: %s", curl_multi_strerror(code
));
103 zend_llist_add_element(&pool
->handles
, &request
);
104 zend_llist_add_element(&pool
->bodies
, &body
);
106 ZVAL_ADDREF(request
);
108 #if HTTP_DEBUG_REQPOOLS
109 fprintf(stderr
, "> %d HttpRequests attached to pool %p\n", zend_llist_count(&pool
->handles
), pool
);
121 /* {{{ STATUS http_request_pool_detach(http_request_pool *, zval *) */
122 PHP_HTTP_API STATUS
_http_request_pool_detach(http_request_pool
*pool
, zval
*request TSRMLS_DC
)
125 getObjectEx(http_request_object
, req
, request
);
127 #if HTTP_DEBUG_REQPOOLS
128 fprintf(stderr
, "Detaching HttpRequest(#%d) %p from pool %p\n", Z_OBJ_HANDLE_P(request
), req
, pool
);
132 /* not attached to any pool */
133 #if HTTP_DEBUG_REQPOOLS
134 fprintf(stderr
, "HttpRequest object(#%d) %p is not attached to any HttpRequestPool\n", Z_OBJ_HANDLE_P(request
), req
);
136 } else if (req
->pool
!= pool
) {
137 http_error_ex(HE_WARNING
, HTTP_E_INVALID_PARAM
, "HttpRequest object(#%d) is not attached to this HttpRequestPool", Z_OBJ_HANDLE_P(request
));
138 } else if (CURLM_OK
!= (code
= curl_multi_remove_handle(pool
->ch
, req
->ch
))) {
139 http_error_ex(HE_WARNING
, HTTP_E_REQUEST_POOL
, "Could not detach HttpRequest object from the HttpRequestPool: %s", 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_detach_all(http_request_pool *) */
156 PHP_HTTP_API
void _http_request_pool_detach_all(http_request_pool
*pool TSRMLS_DC
)
158 int count
= zend_llist_count(&pool
->handles
);
160 #if HTTP_DEBUG_REQPOOLS
161 fprintf(stderr
, "Detaching %d requests from pool %p\n", count
, pool
);
165 * we cannot apply a function to the llist which actually detaches
166 * the curl handle *and* removes the llist element --
167 * so let's get our hands dirty
171 zend_llist_position pos
;
172 zval
**handle
, **handles
= emalloc(count
* sizeof(zval
*));
174 for (handle
= zend_llist_get_first_ex(&pool
->handles
, &pos
); handle
; handle
= zend_llist_get_next_ex(&pool
->handles
, &pos
)) {
175 handles
[i
++] = *handle
;
178 /* should never happen */
180 zend_error(E_ERROR
, "number of fetched request handles do not match overall count");
184 for (i
= 0; i
< count
; ++i
) {
185 http_request_pool_detach(pool
, handles
[i
]);
190 #if HTTP_DEBUG_REQPOOLS
191 fprintf(stderr
, "Destroying %d request bodies of pool %p\n", zend_llist_count(&pool
->bodies
), pool
);
194 /* free created bodies too */
195 zend_llist_clean(&pool
->bodies
);
198 /* {{{ STATUS http_request_pool_send(http_request_pool *) */
199 PHP_HTTP_API STATUS
_http_request_pool_send(http_request_pool
*pool TSRMLS_DC
)
201 #if HTTP_DEBUG_REQPOOLS
202 fprintf(stderr
, "Attempt to send %d requests of pool %p\n", zend_llist_count(&pool
->handles
), pool
);
205 while (http_request_pool_perform(pool
)) {
206 if (SUCCESS
!= http_request_pool_select(pool
)) {
208 http_error(HE_WARNING
, HTTP_E_SOCKET
, WSAGetLastError());
210 http_error(HE_WARNING
, HTTP_E_SOCKET
, strerror(errno
));
216 #if HTTP_DEBUG_REQPOOLS
217 fprintf(stderr
, "Finished sending %d HttpRequests of pool %p (still unfinished: %d)\n", zend_llist_count(&pool
->handles
), pool
, pool
->unfinished
);
224 /* {{{ void http_request_pool_dtor(http_request_pool *) */
225 PHP_HTTP_API
void _http_request_pool_dtor(http_request_pool
*pool TSRMLS_DC
)
227 #if HTTP_DEBUG_REQPOOLS
228 fprintf(stderr
, "Destructing request pool %p\n", pool
);
231 pool
->unfinished
= 0;
232 zend_llist_clean(&pool
->finished
);
233 zend_llist_clean(&pool
->handles
);
234 zend_llist_clean(&pool
->bodies
);
235 curl_multi_cleanup(pool
->ch
);
240 # define SELECT_ERROR SOCKET_ERROR
242 # define SELECT_ERROR -1
245 /* {{{ STATUS http_request_pool_select(http_request_pool *) */
246 PHP_HTTP_API STATUS
_http_request_pool_select(http_request_pool
*pool
)
250 struct timeval timeout
= {1, 0};
256 if (CURLM_OK
== curl_multi_fdset(pool
->ch
, &R
, &W
, &E
, &MAX
)) {
257 if (MAX
== -1 || SELECT_ERROR
!= select(MAX
+ 1, &R
, &W
, &E
, &timeout
)) {
265 /* {{{ int http_request_pool_perform(http_request_pool *) */
266 PHP_HTTP_API
int _http_request_pool_perform(http_request_pool
*pool TSRMLS_DC
)
271 while (CURLM_CALL_MULTI_PERFORM
== curl_multi_perform(pool
->ch
, &pool
->unfinished
));
273 while ((msg
= curl_multi_info_read(pool
->ch
, &remaining
))) {
274 if (CURLMSG_DONE
== msg
->msg
) {
275 if (CURLE_OK
!= msg
->data
.result
) {
276 http_request_pool_try
{
277 http_error(HE_WARNING
, HTTP_E_REQUEST
, curl_easy_strerror(msg
->data
.result
));
278 } http_request_pool_catch();
280 http_request_pool_try
{
281 zend_llist_apply_with_argument(&pool
->handles
, (llist_apply_with_arg_func_t
) http_request_pool_responsehandler
, msg
->easy_handle TSRMLS_CC
);
282 } http_request_pool_catch();
285 http_request_pool_final();
287 return pool
->unfinished
;
291 /* {{{ STATUS http_request_pool_requesthandler(zval *, http_request_body *) */
292 STATUS
_http_request_pool_requesthandler(zval
*request
, http_request_body
*body TSRMLS_DC
)
294 getObjectEx(http_request_object
, req
, request
);
295 if (SUCCESS
== http_request_object_requesthandler(req
, request
, body
)) {
296 http_request_conv(req
->ch
, &req
->response
, &req
->request
);
303 /* {{{ void http_request_pool_responsehandler(zval **) */
304 void _http_request_pool_responsehandler(zval
**req
, CURL
*ch TSRMLS_DC
)
306 getObjectEx(http_request_object
, obj
, *req
);
310 #if HTTP_DEBUG_REQPOOLS
311 fprintf(stderr
, "Fetching data from HttpRequest(#%d) %p of pool %p\n", Z_OBJ_HANDLE_PP(req
), obj
, obj
->pool
);
315 zend_llist_add_element(&obj
->pool
->finished
, req
);
316 http_request_object_responsehandler(obj
, *req
);
321 static void move_backtrace_args(zval
*from
, zval
*to TSRMLS_DC
)
323 zval
**args
, **trace_0
, *old_trace_0
, *trace
= NULL
;
325 if ((trace
= zend_read_property(zend_exception_get_default(), from
, "trace", lenof("trace"), 0 TSRMLS_CC
))) {
326 if (SUCCESS
== zend_hash_index_find(Z_ARRVAL_P(trace
), 0, (void **) &trace_0
)) {
327 old_trace_0
= *trace_0
;
328 if (SUCCESS
== zend_hash_find(Z_ARRVAL_PP(trace_0
), "args", sizeof("args"), (void **) &args
)) {
329 if ((trace
= zend_read_property(zend_exception_get_default(), to
, "trace", lenof("trace"), 0 TSRMLS_CC
))) {
330 if (SUCCESS
== zend_hash_index_find(Z_ARRVAL_P(trace
), 0, (void **) &trace_0
)) {
332 add_assoc_zval(*trace_0
, "args", *args
);
333 zend_hash_del(Z_ARRVAL_P(old_trace_0
), "args", sizeof("args"));
340 /* {{{ void http_request_pool_wrap_exception(zval *, zval *) */
341 void _http_request_pool_wrap_exception(zval
*old_exception
, zval
*new_exception TSRMLS_DC
)
343 zend_class_entry
*ce
= HTTP_EX_CE(request_pool
);
345 /* if old_exception is already an HttpRequestPoolException append the new one,
346 else create a new HttpRequestPoolException and append the old and new exceptions */
347 if (old_exception
&& Z_OBJCE_P(old_exception
) == ce
) {
350 exprop
= zend_read_property(ce
, old_exception
, "exceptionStack", lenof("exceptionStack"), 0 TSRMLS_CC
);
352 convert_to_array(exprop
);
354 add_next_index_zval(exprop
, new_exception
);
355 zend_update_property(ce
, old_exception
, "exceptionStack", lenof("exceptionStack"), exprop TSRMLS_CC
);
357 EG(exception
) = old_exception
;
358 } else if (new_exception
&& Z_OBJCE_P(new_exception
) != ce
){
359 zval
*exval
, *exprop
;
361 MAKE_STD_ZVAL(exval
);
362 object_init_ex(exval
, ce
);
363 MAKE_STD_ZVAL(exprop
);
367 add_next_index_zval(exprop
, old_exception
);
369 move_backtrace_args(new_exception
, exval TSRMLS_CC
);
370 zend_update_property_long(ce
, exval
, "code", lenof("code"), HTTP_E_REQUEST_POOL TSRMLS_CC
);
371 zend_update_property_string(ce
, exval
, "message", lenof("message"), "See exceptionStack property" TSRMLS_CC
);
372 add_next_index_zval(exprop
, new_exception
);
373 zend_update_property(ce
, exval
, "exceptionStack", lenof("exceptionStack"), exprop TSRMLS_CC
);
374 zval_ptr_dtor(&exprop
);
376 EG(exception
) = exval
;
383 /* {{{ static void http_request_pool_freebody(http_request_ctx **) */
384 static void http_request_pool_freebody(http_request_callback_ctx
**body
)
386 HTTP_REQUEST_CALLBACK_DATA(*body
, http_request_body
*, b
);
387 http_request_body_free(&b
);
393 /* {{{ static int http_request_pool_compare_handles(void *, void *) */
394 static int http_request_pool_compare_handles(void *h1
, void *h2
)
396 return (Z_OBJ_HANDLE_PP((zval
**) h1
) == Z_OBJ_HANDLE_P((zval
*) h2
));
400 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_CURL */
408 * vim600: noet sw=4 ts=4 fdm=marker
409 * vim<600: noet sw=4 ts=4