| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
- | Copyright (c) 2004-2006, Michael Wallner <mike@php.net> |
+ | Copyright (c) 2004-2010, Michael Wallner <mike@php.net> |
+--------------------------------------------------------------------+
*/
/* $Id$ */
#include "php_http.h"
-
-#ifdef HTTP_HAVE_PERSISTENT_HANDLES
+#include "php_http_api.h"
#include "php_http_persistent_handle_api.h"
+#ifndef HTTP_DEBUG_PHANDLES
+# define HTTP_DEBUG_PHANDLES 0
+#endif
+#if HTTP_DEBUG_PHANDLES
+# undef inline
+# define inline
+#endif
+
static HashTable http_persistent_handles_hash;
#ifdef ZTS
# define LOCK() tsrm_mutex_lock(http_persistent_handles_lock)
# define UNLOCK()
#endif
-typedef struct _http_persistent_handles_hash_entry_t {
- HashTable list;
+typedef struct _http_persistent_handle_list_t {
+ HashTable free;
+ ulong used;
+} http_persistent_handle_list;
+
+typedef struct _http_persistent_handle_provider_t {
+ http_persistent_handle_list list; /* "ident" => array(handles) entries */
http_persistent_handle_ctor ctor;
http_persistent_handle_dtor dtor;
-} http_persistent_handles_hash_entry;
+ http_persistent_handle_copy copy;
+} http_persistent_handle_provider;
+
+static inline http_persistent_handle_list *http_persistent_handle_list_init(http_persistent_handle_list *list)
+{
+ int free_list;
+
+ if ((free_list = !list)) {
+ list = pemalloc(sizeof(http_persistent_handle_list), 1);
+ }
+
+ list->used = 0;
+
+ if (SUCCESS != zend_hash_init(&list->free, 0, NULL, NULL, 1)) {
+ if (free_list) {
+ pefree(list, 1);
+ }
+ list = NULL;
+ }
+
+ return list;
+}
+
+static inline void http_persistent_handle_list_dtor(http_persistent_handle_list *list, http_persistent_handle_dtor dtor)
+{
+ HashPosition pos;
+ void **handle;
+
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "LSTDTOR: %p\n", list);
+#endif
+ FOREACH_HASH_VAL(pos, &list->free, handle) {
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "DESTROY: %p\n", *handle);
+#endif
+
+ dtor(*handle);
+ }
+ zend_hash_destroy(&list->free);
+}
+
+static inline void http_persistent_handle_list_free(http_persistent_handle_list **list, http_persistent_handle_dtor dtor)
+{
+ http_persistent_handle_list_dtor(*list, dtor);
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "LSTFREE: %p\n", *list);
+#endif
+ pefree(*list, 1);
+ *list = NULL;
+}
-typedef struct _http_persistent_handles_list_entry_t {
- void *handle;
-} http_persistent_handles_list_entry;
+static inline http_persistent_handle_list *http_persistent_handle_list_find(http_persistent_handle_provider *provider TSRMLS_DC)
+{
+ http_persistent_handle_list **list, *new_list;
+
+ 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)) {
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "LSTFIND: %p\n", *list);
+#endif
+ return *list;
+ }
+
+ if ((new_list = http_persistent_handle_list_init(NULL))) {
+ 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)) {
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "LSTFIND: %p (new)\n", *list);
+#endif
+ return *list;
+ }
+ http_persistent_handle_list_free(&new_list, provider->dtor);
+ }
+
+ return NULL;
+}
-static inline void http_persistent_handles_hash_dtor_ex(http_persistent_handles_hash_entry *hentry, void (*list_dtor)(HashTable*))
+static inline STATUS http_persistent_handle_do_acquire(http_persistent_handle_provider *provider, void **handle TSRMLS_DC)
{
- http_persistent_handles_list_entry *lentry;
+ ulong index;
+ void **handle_ptr;
+ http_persistent_handle_list *list;
- for ( zend_hash_internal_pointer_reset(&hentry->list);
- SUCCESS == zend_hash_get_current_data(&hentry->list, (void *) &lentry);
- zend_hash_move_forward(&hentry->list)) {
- hentry->dtor(lentry->handle);
+ if ((list = http_persistent_handle_list_find(provider TSRMLS_CC))) {
+ zend_hash_internal_pointer_end(&list->free);
+ 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_ptr)) {
+ *handle = *handle_ptr;
+ zend_hash_index_del(&list->free, index);
+ } else {
+ *handle = provider->ctor();
+ }
+
+ if (*handle) {
+ ++provider->list.used;
+ ++list->used;
+ return SUCCESS;
+ }
+ } else {
+ *handle = NULL;
}
- if (list_dtor) {
- list_dtor(&hentry->list);
+ return FAILURE;
+}
+
+static inline STATUS http_persistent_handle_do_release(http_persistent_handle_provider *provider, void **handle TSRMLS_DC)
+{
+ http_persistent_handle_list *list;
+
+ if ((list = http_persistent_handle_list_find(provider TSRMLS_CC))) {
+ if (provider->list.used >= HTTP_G->persistent.handles.limit) {
+ provider->dtor(*handle);
+ } else {
+ if (SUCCESS != zend_hash_next_index_insert(&list->free, (void *) handle, sizeof(void *), NULL)) {
+ return FAILURE;
+ }
+ }
+
+ *handle = NULL;
+ --provider->list.used;
+ --list->used;
+ return SUCCESS;
}
+
+ return FAILURE;
}
-static void http_persistent_handles_hash_dtor(void *h)
+static inline STATUS http_persistent_handle_do_accrete(http_persistent_handle_provider *provider, void *old_handle, void **new_handle TSRMLS_DC)
{
- http_persistent_handles_hash_dtor_ex(h, zend_hash_destroy);
+ http_persistent_handle_list *list;
+
+ if (provider->copy && (*new_handle = provider->copy(old_handle))) {
+ if ((list = http_persistent_handle_list_find(provider TSRMLS_CC))) {
+ ++list->used;
+ }
+ ++provider->list.used;
+ return SUCCESS;
+ }
+ return FAILURE;
+}
+
+static void http_persistent_handles_hash_dtor(void *p)
+{
+ http_persistent_handle_provider *provider = (http_persistent_handle_provider *) p;
+ http_persistent_handle_list **list, *list_tmp;
+ HashPosition pos;
+
+ FOREACH_HASH_VAL(pos, &provider->list.free, list) {
+ /* fix shutdown crash in PHP4 */
+ list_tmp = *list;
+ http_persistent_handle_list_free(&list_tmp, provider->dtor);
+ }
+
+ zend_hash_destroy(&provider->list.free);
}
PHP_MINIT_FUNCTION(http_persistent_handle)
return SUCCESS;
}
-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)
+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)
{
- STATUS status = SUCCESS;
- http_persistent_handles_hash_entry e;
-
- zend_hash_init(&e.list, 0, NULL, NULL, 1);
- e.ctor = ctor;
- e.dtor = dtor;
+ STATUS status = FAILURE;
+ http_persistent_handle_provider provider;
LOCK();
- if (SUCCESS != zend_hash_add(&http_persistent_handles_hash, (char *) name_str, name_len+1, (void *) &e, sizeof(http_persistent_handles_hash_entry), NULL)) {
- zend_hash_destroy(&e.list);
- status = FAILURE;
+ if (http_persistent_handle_list_init(&provider.list)) {
+ provider.ctor = ctor;
+ provider.dtor = dtor;
+ provider.copy = copy;
+
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "PROVIDE: %s\n", name_str);
+#endif
+
+ if (SUCCESS == zend_hash_add(&http_persistent_handles_hash, HTTP_ZAPI_CONST_CAST(char *) name_str, name_len+1, (void *) &provider, sizeof(http_persistent_handle_provider), NULL)) {
+ status = SUCCESS;
+ }
}
UNLOCK();
return status;
}
-PHP_HTTP_API void _http_persistent_handle_cleanup_ex(const char *name_str, size_t name_len)
+PHP_HTTP_API STATUS _http_persistent_handle_acquire_ex(const char *name_str, size_t name_len, void **handle TSRMLS_DC)
{
- http_persistent_handles_hash_entry *hentry;
+ STATUS status = FAILURE;
+ http_persistent_handle_provider *provider;
+ *handle = NULL;
LOCK();
- if (name_str && name_len) {
- if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, (char *) name_str, name_len+1, (void *) &hentry)) {
- http_persistent_handles_hash_dtor_ex(hentry, zend_hash_clean);
- }
- } else {
- for ( zend_hash_internal_pointer_reset(&http_persistent_handles_hash);
- SUCCESS == zend_hash_get_current_data(&http_persistent_handles_hash, (void *) &hentry);
- zend_hash_move_forward(&http_persistent_handles_hash)) {
- http_persistent_handles_hash_dtor_ex(hentry, zend_hash_clean);
- }
+ if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, HTTP_ZAPI_CONST_CAST(char *) name_str, name_len+1, (void *) &provider)) {
+ status = http_persistent_handle_do_acquire(provider, handle TSRMLS_CC);
}
UNLOCK();
+
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "ACQUIRE: %p (%s)\n", *handle, name_str);
+#endif
+
+ return status;
}
-PHP_HTTP_API int _http_persistent_handle_statall_ex(char ***names, int **counts, int persistent)
+PHP_HTTP_API STATUS _http_persistent_handle_release_ex(const char *name_str, size_t name_len, void **handle TSRMLS_DC)
{
- int i, n;
- char *key;
- http_persistent_handles_hash_entry *hentry;
+ STATUS status = FAILURE;
+ http_persistent_handle_provider *provider;
+#if HTTP_DEBUG_PHANDLES
+ void *handle_tmp = *handle;
+#endif
LOCK();
- if ((n = zend_hash_num_elements(&http_persistent_handles_hash))) {
- *names = safe_pemalloc(n, sizeof(char **), 0, persistent);
- *counts = safe_pemalloc(n, sizeof(int), 0, persistent);
-
- for ( i = 0, zend_hash_internal_pointer_reset(&http_persistent_handles_hash);
- HASH_KEY_NON_EXISTANT != zend_hash_get_current_key(&http_persistent_handles_hash, &key, NULL, 0) &&
- SUCCESS == zend_hash_get_current_data(&http_persistent_handles_hash, (void *) &hentry);
- ++i, zend_hash_move_forward(&http_persistent_handles_hash)) {
- (*names)[i] = pestrdup(key, persistent);
- (*counts)[i] = zend_hash_num_elements(&hentry->list);
- }
+ if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, HTTP_ZAPI_CONST_CAST(char *) name_str, name_len+1, (void *) &provider)) {
+ status = http_persistent_handle_do_release(provider, handle TSRMLS_CC);
}
UNLOCK();
- return n;
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "RELEASE: %p (%s)\n", handle_tmp, name_str);
+#endif
+
+ return status;
}
-PHP_HTTP_API STATUS _http_persistent_handle_acquire_ex(const char *name_str, size_t name_len, void **handle)
+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)
{
STATUS status = FAILURE;
- ulong index;
- http_persistent_handles_hash_entry *hentry;
- http_persistent_handles_list_entry *lentry;
+ http_persistent_handle_provider *provider;
+ *new_handle = NULL;
LOCK();
- if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, (char *) name_str, name_len+1, (void *) &hentry)) {
- zend_hash_internal_pointer_reset(&hentry->list);
- if ( HASH_KEY_NON_EXISTANT != zend_hash_get_current_key(&hentry->list, NULL, &index, 0) &&
- SUCCESS == zend_hash_get_current_data(&hentry->list, (void *) &lentry)) {
- *handle = lentry->handle;
- zend_hash_index_del(&hentry->list, index);
- status = SUCCESS;
- } else if ((*handle = hentry->ctor())) {
- status = SUCCESS;
- }
+ if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, HTTP_ZAPI_CONST_CAST(char *) name_str, name_len+1, (void *) &provider)) {
+ status = http_persistent_handle_do_accrete(provider, old_handle, new_handle TSRMLS_CC);
}
UNLOCK();
+#if HTTP_DEBUG_PHANDLES
+ fprintf(stderr, "ACCRETE: %p > %p (%s)\n", old_handle, *new_handle, name_str);
+#endif
+
return status;
}
-PHP_HTTP_API STATUS _http_persistent_handle_release_ex(const char *name_str, size_t name_len, void **handle)
+PHP_HTTP_API void _http_persistent_handle_cleanup_ex(const char *name_str, size_t name_len, int current_ident_only TSRMLS_DC)
{
- STATUS status = FAILURE;
- http_persistent_handles_hash_entry *hentry;
- http_persistent_handles_list_entry lentry;
+ http_persistent_handle_provider *provider;
+ http_persistent_handle_list *list, **listp;
+ HashPosition pos1, pos2;
LOCK();
- if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, (char *) name_str, name_len+1, (void *) &hentry)) {
- lentry.handle = *handle;
- if (SUCCESS == zend_hash_next_index_insert(&hentry->list, (void *) &lentry, sizeof(http_persistent_handles_list_entry), NULL)) {
- status = SUCCESS;
+ if (name_str && name_len) {
+ if (SUCCESS == zend_hash_find(&http_persistent_handles_hash, HTTP_ZAPI_CONST_CAST(char *) name_str, name_len+1, (void *) &provider)) {
+ if (current_ident_only) {
+ if ((list = http_persistent_handle_list_find(provider TSRMLS_CC))) {
+ http_persistent_handle_list_dtor(list, provider->dtor);
+ http_persistent_handle_list_init(list);
+ }
+ } else {
+ FOREACH_HASH_VAL(pos1, &provider->list.free, listp) {
+ http_persistent_handle_list_dtor(*listp, provider->dtor);
+ http_persistent_handle_list_init(*listp);
+ }
+ }
+ }
+ } else {
+ FOREACH_HASH_VAL(pos1, &http_persistent_handles_hash, provider) {
+ if (current_ident_only) {
+ if ((list = http_persistent_handle_list_find(provider TSRMLS_CC))) {
+ http_persistent_handle_list_dtor(list, provider->dtor);
+ http_persistent_handle_list_init(list);
+ }
+ } else {
+ FOREACH_HASH_VAL(pos2, &provider->list.free, listp) {
+ http_persistent_handle_list_dtor(*listp, provider->dtor);
+ http_persistent_handle_list_init(*listp);
+ }
+ }
}
}
UNLOCK();
+}
+
+PHP_HTTP_API HashTable *_http_persistent_handle_statall_ex(HashTable *ht TSRMLS_DC)
+{
+ zval *zentry[2];
+ HashPosition pos1, pos2;
+ HashKey key1 = initHashKey(0), key2 = initHashKey(0);
+ http_persistent_handle_provider *provider;
+ http_persistent_handle_list **list;
- return status;
+ LOCK();
+ if (zend_hash_num_elements(&http_persistent_handles_hash)) {
+ if (!ht) {
+ ALLOC_HASHTABLE(ht);
+ zend_hash_init(ht, 0, NULL, ZVAL_PTR_DTOR, 0);
+ }
+
+ FOREACH_HASH_KEYVAL(pos1, &http_persistent_handles_hash, key1, provider) {
+ MAKE_STD_ZVAL(zentry[0]);
+ array_init(zentry[0]);
+
+ FOREACH_HASH_KEYVAL(pos2, &provider->list.free, key2, list) {
+ MAKE_STD_ZVAL(zentry[1]);
+ array_init(zentry[1]);
+ add_assoc_long_ex(zentry[1], ZEND_STRS("used"), (*list)->used);
+ add_assoc_long_ex(zentry[1], ZEND_STRS("free"), zend_hash_num_elements(&(*list)->free));
+
+ /* use zend_hash_* not add_assoc_* (which is zend_symtable_*) as we want a string even for numbers */
+ zend_hash_add(Z_ARRVAL_P(zentry[0]), key2.str, key2.len, &zentry[1], sizeof(zval *), NULL);
+ }
+
+ zend_hash_add(ht, key1.str, key1.len, &zentry[0], sizeof(zval *), NULL);
+ }
+ } else if (ht) {
+ ht = NULL;
+ }
+ UNLOCK();
+
+ return ht;
}
-#endif /* HTTP_HAVE_PERSISTENT_HANDLES */
/*
* Local variables:
projects / m6w6 / ext-http / blobdiff