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) 2004-2007, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
16 #include "php_http_api.h"
18 #include "php_http_persistent_handle_api.h"
20 #ifndef HTTP_DEBUG_PHANDLES
21 # define HTTP_DEBUG_PHANDLES 0
23 #if HTTP_DEBUG_PHANDLES
28 static HashTable http_persistent_handles_hash
;
30 # define LOCK() tsrm_mutex_lock(http_persistent_handles_lock)
31 # define UNLOCK() tsrm_mutex_unlock(http_persistent_handles_lock)
32 static MUTEX_T http_persistent_handles_lock
;
38 typedef struct _http_persistent_handle_t
{
40 } http_persistent_handle
;
42 typedef struct _http_persistent_handle_list_t
{
45 } http_persistent_handle_list
;
47 typedef struct _http_persistent_handle_provider_t
{
48 http_persistent_handle_list list
; /* "ident" => array(handles) entries */
49 http_persistent_handle_ctor ctor
;
50 http_persistent_handle_dtor dtor
;
51 http_persistent_handle_copy copy
;
52 } http_persistent_handle_provider
;
54 static inline http_persistent_handle_list
*http_persistent_handle_list_init(http_persistent_handle_list
*list
)
58 if ((free_list
= !list
)) {
59 list
= pemalloc(sizeof(http_persistent_handle_list
), 1);
64 if (SUCCESS
!= zend_hash_init(&list
->free
, 0, NULL
, NULL
, 1)) {
74 static inline void http_persistent_handle_list_dtor(http_persistent_handle_list
*list
, http_persistent_handle_dtor dtor
)
77 http_persistent_handle
*handle
;
79 FOREACH_HASH_VAL(pos
, &list
->free
, handle
) {
80 #if HTTP_DEBUG_PHANDLES
81 fprintf(stderr
, "DESTROY: %p\n", handle
->ptr
);
86 zend_hash_destroy(&list
->free
);
89 static inline void http_persistent_handle_list_free(http_persistent_handle_list
**list
, http_persistent_handle_dtor dtor
)
91 http_persistent_handle_list_dtor(*list
, dtor
);
96 static inline http_persistent_handle_list
*http_persistent_handle_list_find(http_persistent_handle_provider
*provider TSRMLS_DC
)
98 http_persistent_handle_list
**list
, *new_list
;
100 if (SUCCESS
== zend_hash_quick_find(&provider
->list
.free
, HTTP_G
->persistent
.handles
.ident
.s
, HTTP_G
->persistent
.handles
.ident
.l
, HTTP_G
->persistent
.handles
.ident
.h
, (void *) &list
)) {
104 if ((new_list
= http_persistent_handle_list_init(NULL
))) {
105 if (SUCCESS
== zend_hash_quick_add(&provider
->list
.free
, HTTP_G
->persistent
.handles
.ident
.s
, HTTP_G
->persistent
.handles
.ident
.l
, HTTP_G
->persistent
.handles
.ident
.h
, (void *) &new_list
, sizeof(http_persistent_handle_list
), (void *) &list
)) {
108 http_persistent_handle_list_free(&new_list
, provider
->dtor
);
114 static inline STATUS
http_persistent_handle_do_acquire(http_persistent_handle_provider
*provider
, void **handle_ptr TSRMLS_DC
)
117 http_persistent_handle
*handle
;
118 http_persistent_handle_list
*list
;
120 if ((list
= http_persistent_handle_list_find(provider TSRMLS_CC
))) {
121 zend_hash_internal_pointer_end(&list
->free
);
122 if (HASH_KEY_NON_EXISTANT
!= zend_hash_get_current_key(&list
->free
, NULL
, &index
, 0) && SUCCESS
== zend_hash_get_current_data(&list
->free
, (void *) &handle
)) {
123 *handle_ptr
= handle
->ptr
;
124 zend_hash_index_del(&list
->free
, index
);
126 *handle_ptr
= provider
->ctor();
130 ++provider
->list
.used
;
139 static inline STATUS
http_persistent_handle_do_release(http_persistent_handle_provider
*provider
, void **handle_ptr TSRMLS_DC
)
141 http_persistent_handle_list
*list
;
143 if ((list
= http_persistent_handle_list_find(provider TSRMLS_CC
))) {
144 if (provider
->list
.used
>= HTTP_G
->persistent
.handles
.limit
) {
145 provider
->dtor(*handle_ptr
);
147 http_persistent_handle handle
= {*handle_ptr
};
149 if (SUCCESS
!= zend_hash_next_index_insert(&list
->free
, (void *) &handle
, sizeof(http_persistent_handle
), NULL
)) {
155 --provider
->list
.used
;
163 static inline STATUS
http_persistent_handle_do_accrete(http_persistent_handle_provider
*provider
, void *old_handle
, void **new_handle TSRMLS_DC
)
165 http_persistent_handle_list
*list
;
167 if (provider
->copy
&& (*new_handle
= provider
->copy(old_handle
))) {
168 if ((list
= http_persistent_handle_list_find(provider TSRMLS_CC
))) {
171 ++provider
->list
.used
;
177 static void http_persistent_handles_hash_dtor(void *p
)
179 http_persistent_handle_provider
*provider
= (http_persistent_handle_provider
*) p
;
180 http_persistent_handle_list
**list
;
183 FOREACH_HASH_VAL(pos
, &provider
->list
.free
, list
) {
184 http_persistent_handle_list_free(list
, provider
->dtor
);
187 zend_hash_destroy(&provider
->list
.free
);
190 PHP_MINIT_FUNCTION(http_persistent_handle
)
192 zend_hash_init(&http_persistent_handles_hash
, 0, NULL
, http_persistent_handles_hash_dtor
, 1);
194 http_persistent_handles_lock
= tsrm_mutex_alloc();
199 PHP_MSHUTDOWN_FUNCTION(http_persistent_handle
)
201 zend_hash_destroy(&http_persistent_handles_hash
);
203 tsrm_mutex_free(http_persistent_handles_lock
);
208 PHP_HTTP_API STATUS
_http_persistent_handle_provide_ex(const char *name_str
, size_t name_len
, http_persistent_handle_ctor ctor
, http_persistent_handle_dtor dtor
, http_persistent_handle_copy copy
)
210 STATUS status
= FAILURE
;
211 http_persistent_handle_provider provider
;
214 if (http_persistent_handle_list_init(&provider
.list
)) {
215 provider
.ctor
= ctor
;
216 provider
.dtor
= dtor
;
217 provider
.copy
= copy
;
219 #if HTTP_DEBUG_PHANDLES
220 fprintf(stderr
, "PROVIDE: %s\n", name_str
);
223 if (SUCCESS
== zend_hash_add(&http_persistent_handles_hash
, (char *) name_str
, name_len
+1, (void *) &provider
, sizeof(http_persistent_handle_provider
), NULL
)) {
226 http_persistent_handle_list_dtor(&provider
.list
, dtor
);
234 PHP_HTTP_API STATUS
_http_persistent_handle_acquire_ex(const char *name_str
, size_t name_len
, void **handle_ptr TSRMLS_DC
)
236 STATUS status
= FAILURE
;
237 http_persistent_handle_provider
*provider
;
241 if (SUCCESS
== zend_hash_find(&http_persistent_handles_hash
, (char *) name_str
, name_len
+1, (void *) &provider
)) {
242 status
= http_persistent_handle_do_acquire(provider
, handle_ptr TSRMLS_CC
);
246 #if HTTP_DEBUG_PHANDLES
247 fprintf(stderr
, "ACQUIRE: %p (%s)\n", *handle_ptr
, name_str
);
253 PHP_HTTP_API STATUS
_http_persistent_handle_release_ex(const char *name_str
, size_t name_len
, void **handle_ptr TSRMLS_DC
)
255 STATUS status
= FAILURE
;
256 http_persistent_handle_provider
*provider
;
257 #if HTTP_DEBUG_PHANDLES
258 void *handle_tmp
= *handle_ptr
;
262 if (SUCCESS
== zend_hash_find(&http_persistent_handles_hash
, (char *) name_str
, name_len
+1, (void *) &provider
)) {
263 status
= http_persistent_handle_do_release(provider
, handle_ptr TSRMLS_CC
);
267 #if HTTP_DEBUG_PHANDLES
268 fprintf(stderr
, "RELEASE: %p (%s)\n", handle_tmp
, name_str
);
274 PHP_HTTP_API STATUS
_http_persistent_handle_accrete_ex(const char *name_str
, size_t name_len
, void *old_handle
, void **new_handle TSRMLS_DC
)
276 STATUS status
= FAILURE
;
277 http_persistent_handle_provider
*provider
;
281 if (SUCCESS
== zend_hash_find(&http_persistent_handles_hash
, (char *) name_str
, name_len
+1, (void *) &provider
)) {
282 status
= http_persistent_handle_do_accrete(provider
, old_handle
, new_handle TSRMLS_CC
);
286 #if HTTP_DEBUG_PHANDLES
287 fprintf(stderr
, "ACCRETE: %p > %p (%s)\n", old_handle
, *new_handle
, name_str
);
293 PHP_HTTP_API
void _http_persistent_handle_cleanup_ex(const char *name_str
, size_t name_len
, int current_ident_only TSRMLS_DC
)
295 http_persistent_handle_provider
*provider
;
296 http_persistent_handle_list
*list
, **listp
;
297 HashPosition pos1
, pos2
;
300 if (name_str
&& name_len
) {
301 if (SUCCESS
== zend_hash_find(&http_persistent_handles_hash
, (char *) name_str
, name_len
+1, (void *) &provider
)) {
302 if (current_ident_only
) {
303 if ((list
= http_persistent_handle_list_find(provider TSRMLS_CC
))) {
304 http_persistent_handle_list_dtor(list
, provider
->dtor
);
305 http_persistent_handle_list_init(list
);
308 FOREACH_HASH_VAL(pos1
, &provider
->list
.free
, listp
) {
309 http_persistent_handle_list_dtor(*listp
, provider
->dtor
);
310 http_persistent_handle_list_init(*listp
);
315 FOREACH_HASH_VAL(pos1
, &http_persistent_handles_hash
, provider
) {
316 if (current_ident_only
) {
317 if ((list
= http_persistent_handle_list_find(provider TSRMLS_CC
))) {
318 http_persistent_handle_list_dtor(list
, provider
->dtor
);
319 http_persistent_handle_list_init(list
);
322 FOREACH_HASH_VAL(pos2
, &provider
->list
.free
, listp
) {
323 http_persistent_handle_list_dtor(*listp
, provider
->dtor
);
324 http_persistent_handle_list_init(*listp
);
332 PHP_HTTP_API HashTable
*_http_persistent_handle_statall_ex(HashTable
*ht TSRMLS_DC
)
335 HashPosition pos1
, pos2
;
336 HashKey key1
= initHashKey(0), key2
= initHashKey(0);
337 http_persistent_handle_provider
*provider
;
338 http_persistent_handle_list
**list
;
341 if (zend_hash_num_elements(&http_persistent_handles_hash
)) {
344 zend_hash_init(ht
, 0, NULL
, ZVAL_PTR_DTOR
, 0);
347 FOREACH_HASH_KEYVAL(pos1
, &http_persistent_handles_hash
, key1
, provider
) {
348 MAKE_STD_ZVAL(zentry
[0]);
349 array_init(zentry
[0]);
351 FOREACH_HASH_KEYVAL(pos2
, &provider
->list
.free
, key2
, list
) {
352 MAKE_STD_ZVAL(zentry
[1]);
353 array_init(zentry
[1]);
354 add_assoc_long_ex(zentry
[1], ZEND_STRS("used"), (*list
)->used
);
355 add_assoc_long_ex(zentry
[1], ZEND_STRS("free"), zend_hash_num_elements(&(*list
)->free
));
357 /* use zend_hash_* not add_assoc_* (which is zend_symtable_*) as we want a string even for numbers */
358 zend_hash_add(Z_ARRVAL_P(zentry
[0]), key2
.str
, key2
.len
, &zentry
[1], sizeof(zval
*), NULL
);
361 zend_hash_add(ht
, key1
.str
, key1
.len
, &zentry
[0], sizeof(zval
*), NULL
);
377 * vim600: noet sw=4 ts=4 fdm=marker
378 * vim<600: noet sw=4 ts=4