| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "channel.h" |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <php.h> |
| #include <php_ini.h> |
| #include <ext/standard/info.h> |
| #include <ext/standard/php_var.h> |
| #include <ext/standard/sha1.h> |
| #if PHP_MAJOR_VERSION < 7 |
| #include <ext/standard/php_smart_str.h> |
| #else |
| #include <zend_smart_str.h> |
| #endif |
| #include <ext/spl/spl_exceptions.h> |
| #include "php_grpc.h" |
| |
| #include <zend_exceptions.h> |
| |
| #include <stdbool.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.h> |
| #include <grpc/support/alloc.h> |
| |
| #include "completion_queue.h" |
| #include "channel_credentials.h" |
| #include "server.h" |
| #include "timeval.h" |
| |
| zend_class_entry *grpc_ce_channel; |
| #if PHP_MAJOR_VERSION >= 7 |
| static zend_object_handlers channel_ce_handlers; |
| #endif |
| static gpr_mu global_persistent_list_mu; |
| int le_plink; |
| extern HashTable grpc_persistent_list; |
| |
| /* Frees and destroys an instance of wrapped_grpc_channel */ |
| PHP_GRPC_FREE_WRAPPED_FUNC_START(wrapped_grpc_channel) |
| // In_persistent_list is used when the user don't close the channel, |
| // In this case, channels not in the list should be freed. |
| bool in_persistent_list = true; |
| if (p->wrapper != NULL) { |
| gpr_mu_lock(&p->wrapper->mu); |
| if (p->wrapper->wrapped != NULL) { |
| if (p->wrapper->is_valid) { |
| php_grpc_zend_resource *rsrc; |
| php_grpc_int key_len = strlen(p->wrapper->key); |
| // only destroy the channel here if not found in the persistent list |
| gpr_mu_lock(&global_persistent_list_mu); |
| if (!(PHP_GRPC_PERSISTENT_LIST_FIND(&grpc_persistent_list, p->wrapper->key, |
| key_len, rsrc))) { |
| in_persistent_list = false; |
| grpc_channel_destroy(p->wrapper->wrapped); |
| free(p->wrapper->target); |
| free(p->wrapper->args_hashstr); |
| if (p->wrapper->creds_hashstr != NULL) { |
| free(p->wrapper->creds_hashstr); |
| p->wrapper->creds_hashstr = NULL; |
| } |
| free(p->wrapper->key); |
| p->wrapper->wrapped = NULL; |
| p->wrapper->target = NULL; |
| p->wrapper->args_hashstr = NULL; |
| p->wrapper->key = NULL; |
| } |
| gpr_mu_unlock(&global_persistent_list_mu); |
| } |
| } |
| p->wrapper->ref_count -= 1; |
| gpr_mu_unlock(&p->wrapper->mu); |
| if (!in_persistent_list) { |
| gpr_mu_destroy(&p->wrapper->mu); |
| free(p->wrapper); |
| p->wrapper = NULL; |
| } |
| } |
| PHP_GRPC_FREE_WRAPPED_FUNC_END() |
| |
| /* Initializes an instance of wrapped_grpc_channel to be associated with an |
| * object of a class specified by class_type */ |
| php_grpc_zend_object create_wrapped_grpc_channel(zend_class_entry *class_type |
| TSRMLS_DC) { |
| PHP_GRPC_ALLOC_CLASS_OBJECT(wrapped_grpc_channel); |
| zend_object_std_init(&intern->std, class_type TSRMLS_CC); |
| object_properties_init(&intern->std, class_type); |
| PHP_GRPC_FREE_CLASS_OBJECT(wrapped_grpc_channel, channel_ce_handlers); |
| } |
| |
| int php_grpc_read_args_array(zval *args_array, |
| grpc_channel_args *args TSRMLS_DC) { |
| HashTable *array_hash; |
| int args_index; |
| array_hash = Z_ARRVAL_P(args_array); |
| if (!array_hash) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "array_hash is NULL", 1 TSRMLS_CC); |
| return FAILURE; |
| } |
| args->num_args = zend_hash_num_elements(array_hash); |
| args->args = ecalloc(args->num_args, sizeof(grpc_arg)); |
| args_index = 0; |
| |
| char *key = NULL; |
| zval *data; |
| int key_type; |
| |
| PHP_GRPC_HASH_FOREACH_STR_KEY_VAL_START(array_hash, key, key_type, data) |
| if (key_type != HASH_KEY_IS_STRING) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "args keys must be strings", 1 TSRMLS_CC); |
| return FAILURE; |
| } |
| args->args[args_index].key = key; |
| switch (Z_TYPE_P(data)) { |
| case IS_LONG: |
| args->args[args_index].value.integer = (int)Z_LVAL_P(data); |
| args->args[args_index].type = GRPC_ARG_INTEGER; |
| break; |
| case IS_STRING: |
| args->args[args_index].value.string = Z_STRVAL_P(data); |
| args->args[args_index].type = GRPC_ARG_STRING; |
| break; |
| default: |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "args values must be int or string", 1 TSRMLS_CC); |
| return FAILURE; |
| } |
| args_index++; |
| PHP_GRPC_HASH_FOREACH_END() |
| return SUCCESS; |
| } |
| |
| void generate_sha1_str(char *sha1str, char *str, php_grpc_int len) { |
| PHP_SHA1_CTX context; |
| unsigned char digest[20]; |
| sha1str[0] = '\0'; |
| PHP_SHA1Init(&context); |
| PHP_GRPC_SHA1Update(&context, str, len); |
| PHP_SHA1Final(digest, &context); |
| make_sha1_digest(sha1str, digest); |
| } |
| |
| void create_channel( |
| wrapped_grpc_channel *channel, |
| char *target, |
| grpc_channel_args args, |
| wrapped_grpc_channel_credentials *creds) { |
| if (creds == NULL) { |
| channel->wrapper->wrapped = grpc_insecure_channel_create(target, &args, |
| NULL); |
| } else { |
| channel->wrapper->wrapped = |
| grpc_secure_channel_create(creds->wrapped, target, &args, NULL); |
| } |
| efree(args.args); |
| } |
| |
| void create_and_add_channel_to_persistent_list( |
| wrapped_grpc_channel *channel, |
| char *target, |
| grpc_channel_args args, |
| wrapped_grpc_channel_credentials *creds, |
| char *key, |
| php_grpc_int key_len TSRMLS_DC) { |
| php_grpc_zend_resource new_rsrc; |
| channel_persistent_le_t *le; |
| // this links each persistent list entry to a destructor |
| new_rsrc.type = le_plink; |
| le = malloc(sizeof(channel_persistent_le_t)); |
| |
| create_channel(channel, target, args, creds); |
| |
| le->channel = channel->wrapper; |
| new_rsrc.ptr = le; |
| gpr_mu_lock(&global_persistent_list_mu); |
| PHP_GRPC_PERSISTENT_LIST_UPDATE(&grpc_persistent_list, key, key_len, |
| (void *)&new_rsrc); |
| gpr_mu_unlock(&global_persistent_list_mu); |
| } |
| |
| /** |
| * Construct an instance of the Channel class. |
| * |
| * By default, the underlying grpc_channel is "persistent". That is, given |
| * the same set of parameters passed to the constructor, the same underlying |
| * grpc_channel will be returned. |
| * |
| * If the $args array contains a "credentials" key mapping to a |
| * ChannelCredentials object, a secure channel will be created with those |
| * credentials. |
| * |
| * If the $args array contains a "force_new" key mapping to a boolean value |
| * of "true", a new and separate underlying grpc_channel will be created |
| * and returned. This will not affect existing channels. |
| * |
| * @param string $target The hostname to associate with this channel |
| * @param array $args_array The arguments to pass to the Channel |
| */ |
| PHP_METHOD(Channel, __construct) { |
| wrapped_grpc_channel *channel = Z_WRAPPED_GRPC_CHANNEL_P(getThis()); |
| zval *creds_obj = NULL; |
| char *target; |
| php_grpc_int target_length; |
| zval *args_array = NULL; |
| grpc_channel_args args; |
| HashTable *array_hash; |
| wrapped_grpc_channel_credentials *creds = NULL; |
| php_grpc_zend_resource *rsrc; |
| bool force_new = false; |
| zval *force_new_obj = NULL; |
| |
| /* "sa" == 1 string, 1 array */ |
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa", &target, |
| &target_length, &args_array) == FAILURE) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "Channel expects a string and an array", 1 TSRMLS_CC); |
| return; |
| } |
| array_hash = Z_ARRVAL_P(args_array); |
| if (php_grpc_zend_hash_find(array_hash, "credentials", sizeof("credentials"), |
| (void **)&creds_obj) == SUCCESS) { |
| if (Z_TYPE_P(creds_obj) == IS_NULL) { |
| creds = NULL; |
| php_grpc_zend_hash_del(array_hash, "credentials", sizeof("credentials")); |
| } else if (PHP_GRPC_GET_CLASS_ENTRY(creds_obj) != |
| grpc_ce_channel_credentials) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "credentials must be a ChannelCredentials object", |
| 1 TSRMLS_CC); |
| return; |
| } else { |
| creds = Z_WRAPPED_GRPC_CHANNEL_CREDS_P(creds_obj); |
| php_grpc_zend_hash_del(array_hash, "credentials", sizeof("credentials")); |
| } |
| } |
| if (php_grpc_zend_hash_find(array_hash, "force_new", sizeof("force_new"), |
| (void **)&force_new_obj) == SUCCESS) { |
| if (PHP_GRPC_BVAL_IS_TRUE(force_new_obj)) { |
| force_new = true; |
| } |
| php_grpc_zend_hash_del(array_hash, "force_new", sizeof("force_new")); |
| } |
| |
| // parse the rest of the channel args array |
| if (php_grpc_read_args_array(args_array, &args TSRMLS_CC) == FAILURE) { |
| efree(args.args); |
| return; |
| } |
| |
| // Construct a hashkey for the persistent channel |
| // Currently, the hashkey contains 3 parts: |
| // 1. hostname |
| // 2. hash value of the channel args array (excluding "credentials" |
| // and "force_new") |
| // 3. (optional) hash value of the ChannelCredentials object |
| php_serialize_data_t var_hash; |
| smart_str buf = {0}; |
| PHP_VAR_SERIALIZE_INIT(var_hash); |
| PHP_GRPC_VAR_SERIALIZE(&buf, args_array, &var_hash); |
| PHP_VAR_SERIALIZE_DESTROY(var_hash); |
| |
| char sha1str[41]; |
| generate_sha1_str(sha1str, PHP_GRPC_SERIALIZED_BUF_STR(buf), |
| PHP_GRPC_SERIALIZED_BUF_LEN(buf)); |
| |
| php_grpc_int key_len = target_length + strlen(sha1str); |
| if (creds != NULL && creds->hashstr != NULL) { |
| key_len += strlen(creds->hashstr); |
| } |
| char *key = malloc(key_len + 1); |
| strcpy(key, target); |
| strcat(key, sha1str); |
| if (creds != NULL && creds->hashstr != NULL) { |
| strcat(key, creds->hashstr); |
| } |
| channel->wrapper = malloc(sizeof(grpc_channel_wrapper)); |
| channel->wrapper->key = key; |
| channel->wrapper->target = strdup(target); |
| channel->wrapper->args_hashstr = strdup(sha1str); |
| channel->wrapper->creds_hashstr = NULL; |
| channel->wrapper->ref_count = 1; |
| channel->wrapper->is_valid = true; |
| if (creds != NULL && creds->hashstr != NULL) { |
| php_grpc_int creds_hashstr_len = strlen(creds->hashstr); |
| char *channel_creds_hashstr = malloc(creds_hashstr_len + 1); |
| strcpy(channel_creds_hashstr, creds->hashstr); |
| channel->wrapper->creds_hashstr = channel_creds_hashstr; |
| } |
| |
| gpr_mu_init(&channel->wrapper->mu); |
| smart_str_free(&buf); |
| if (force_new || (creds != NULL && creds->has_call_creds)) { |
| // If the ChannelCredentials object was composed with a CallCredentials |
| // object, there is no way we can tell them apart. Do NOT persist |
| // them. They should be individually destroyed. |
| create_channel(channel, target, args, creds); |
| } else if (!(PHP_GRPC_PERSISTENT_LIST_FIND(&grpc_persistent_list, key, |
| key_len, rsrc))) { |
| create_and_add_channel_to_persistent_list( |
| channel, target, args, creds, key, key_len TSRMLS_CC); |
| } else { |
| // Found a previously stored channel in the persistent list |
| channel_persistent_le_t *le = (channel_persistent_le_t *)rsrc->ptr; |
| if (strcmp(target, le->channel->target) != 0 || |
| strcmp(sha1str, le->channel->args_hashstr) != 0 || |
| (creds != NULL && creds->hashstr != NULL && |
| strcmp(creds->hashstr, le->channel->creds_hashstr) != 0)) { |
| // somehow hash collision |
| create_and_add_channel_to_persistent_list( |
| channel, target, args, creds, key, key_len TSRMLS_CC); |
| } else { |
| efree(args.args); |
| if (channel->wrapper->creds_hashstr != NULL) { |
| free(channel->wrapper->creds_hashstr); |
| channel->wrapper->creds_hashstr = NULL; |
| } |
| free(channel->wrapper->creds_hashstr); |
| free(channel->wrapper->key); |
| free(channel->wrapper->target); |
| free(channel->wrapper->args_hashstr); |
| free(channel->wrapper); |
| channel->wrapper = le->channel; |
| channel->wrapper->ref_count += 1; |
| } |
| } |
| } |
| |
| /** |
| * Get the endpoint this call/stream is connected to |
| * @return string The URI of the endpoint |
| */ |
| PHP_METHOD(Channel, getTarget) { |
| wrapped_grpc_channel *channel = Z_WRAPPED_GRPC_CHANNEL_P(getThis()); |
| gpr_mu_lock(&channel->wrapper->mu); |
| if (channel->wrapper->wrapped == NULL) { |
| zend_throw_exception(spl_ce_RuntimeException, |
| "Channel already closed", 1 TSRMLS_CC); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| return; |
| } |
| char *target = grpc_channel_get_target(channel->wrapper->wrapped); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| PHP_GRPC_RETVAL_STRING(target, 1); |
| gpr_free(target); |
| } |
| |
| /** |
| * Get the connectivity state of the channel |
| * @param bool $try_to_connect Try to connect on the channel (optional) |
| * @return long The grpc connectivity state |
| */ |
| PHP_METHOD(Channel, getConnectivityState) { |
| wrapped_grpc_channel *channel = Z_WRAPPED_GRPC_CHANNEL_P(getThis()); |
| gpr_mu_lock(&channel->wrapper->mu); |
| if (channel->wrapper->wrapped == NULL) { |
| zend_throw_exception(spl_ce_RuntimeException, |
| "Channel already closed", 1 TSRMLS_CC); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| return; |
| } |
| |
| bool try_to_connect = false; |
| |
| /* "|b" == 1 optional bool */ |
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &try_to_connect) |
| == FAILURE) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "getConnectivityState expects a bool", 1 TSRMLS_CC); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| return; |
| } |
| int state = grpc_channel_check_connectivity_state(channel->wrapper->wrapped, |
| (int)try_to_connect); |
| // this can happen if another shared Channel object close the underlying |
| // channel |
| if (state == GRPC_CHANNEL_SHUTDOWN) { |
| channel->wrapper->wrapped = NULL; |
| } |
| gpr_mu_unlock(&channel->wrapper->mu); |
| RETURN_LONG(state); |
| } |
| |
| /** |
| * Watch the connectivity state of the channel until it changed |
| * @param long $last_state The previous connectivity state of the channel |
| * @param Timeval $deadline_obj The deadline this function should wait until |
| * @return bool If the connectivity state changes from last_state |
| * before deadline |
| */ |
| PHP_METHOD(Channel, watchConnectivityState) { |
| wrapped_grpc_channel *channel = Z_WRAPPED_GRPC_CHANNEL_P(getThis()); |
| gpr_mu_lock(&channel->wrapper->mu); |
| if (channel->wrapper->wrapped == NULL) { |
| zend_throw_exception(spl_ce_RuntimeException, |
| "Channel already closed", 1 TSRMLS_CC); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| return; |
| } |
| |
| php_grpc_long last_state; |
| zval *deadline_obj; |
| |
| /* "lO" == 1 long 1 object */ |
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lO", |
| &last_state, &deadline_obj, |
| grpc_ce_timeval) == FAILURE) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "watchConnectivityState expects 1 long 1 timeval", |
| 1 TSRMLS_CC); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| return; |
| } |
| |
| wrapped_grpc_timeval *deadline = Z_WRAPPED_GRPC_TIMEVAL_P(deadline_obj); |
| grpc_channel_watch_connectivity_state(channel->wrapper->wrapped, |
| (grpc_connectivity_state)last_state, |
| deadline->wrapped, completion_queue, |
| NULL); |
| grpc_event event = |
| grpc_completion_queue_pluck(completion_queue, NULL, |
| gpr_inf_future(GPR_CLOCK_REALTIME), NULL); |
| gpr_mu_unlock(&channel->wrapper->mu); |
| RETURN_BOOL(event.success); |
| } |
| |
| /** |
| * Close the channel |
| * @return void |
| */ |
| PHP_METHOD(Channel, close) { |
| wrapped_grpc_channel *channel = Z_WRAPPED_GRPC_CHANNEL_P(getThis()); |
| bool is_last_wrapper = false; |
| if (channel->wrapper != NULL) { |
| // Channel_wrapper hasn't call close before. |
| gpr_mu_lock(&channel->wrapper->mu); |
| if (channel->wrapper->wrapped != NULL) { |
| if (channel->wrapper->is_valid) { |
| // Wrapped channel hasn't been destoryed by other wrapper. |
| grpc_channel_destroy(channel->wrapper->wrapped); |
| free(channel->wrapper->target); |
| free(channel->wrapper->args_hashstr); |
| free(channel->wrapper->creds_hashstr); |
| channel->wrapper->creds_hashstr = NULL; |
| channel->wrapper->target = NULL; |
| channel->wrapper->args_hashstr = NULL; |
| channel->wrapper->wrapped = NULL; |
| channel->wrapper->is_valid = false; |
| |
| php_grpc_delete_persistent_list_entry(channel->wrapper->key, |
| strlen(channel->wrapper->key) |
| TSRMLS_CC); |
| } |
| } |
| channel->wrapper->ref_count -= 1; |
| if (channel->wrapper->ref_count == 0) { |
| // Mark that the wrapper can be freed because mu should be |
| // destroyed outside the lock. |
| is_last_wrapper = true; |
| } |
| gpr_mu_unlock(&channel->wrapper->mu); |
| } |
| gpr_mu_lock(&global_persistent_list_mu); |
| if (is_last_wrapper) { |
| gpr_mu_destroy(&channel->wrapper->mu); |
| free(channel->wrapper->key); |
| free(channel->wrapper); |
| } |
| // Set channel->wrapper to NULL to avoid call close twice for the same |
| // channel. |
| channel->wrapper = NULL; |
| gpr_mu_unlock(&global_persistent_list_mu); |
| } |
| |
| // Delete an entry from the persistent list |
| // Note: this does not destroy or close the underlying grpc_channel |
| void php_grpc_delete_persistent_list_entry(char *key, php_grpc_int key_len |
| TSRMLS_DC) { |
| php_grpc_zend_resource *rsrc; |
| gpr_mu_lock(&global_persistent_list_mu); |
| if (PHP_GRPC_PERSISTENT_LIST_FIND(&grpc_persistent_list, key, |
| key_len, rsrc)) { |
| channel_persistent_le_t *le; |
| le = (channel_persistent_le_t *)rsrc->ptr; |
| le->channel = NULL; |
| php_grpc_zend_hash_del(&grpc_persistent_list, key, key_len+1); |
| free(le); |
| } |
| gpr_mu_unlock(&global_persistent_list_mu); |
| } |
| |
| // A destructor associated with each list entry from the persistent list |
| static void php_grpc_channel_plink_dtor(php_grpc_zend_resource *rsrc |
| TSRMLS_DC) { |
| channel_persistent_le_t *le = (channel_persistent_le_t *)rsrc->ptr; |
| if (le == NULL) { |
| return; |
| } |
| if (le->channel != NULL) { |
| gpr_mu_lock(&le->channel->mu); |
| if (le->channel->wrapped != NULL) { |
| grpc_channel_destroy(le->channel->wrapped); |
| free(le->channel->args_hashstr); |
| le->channel->wrapped = NULL; |
| le->channel->target = NULL; |
| le->channel->args_hashstr = NULL; |
| free(le->channel->key); |
| le->channel->key = NULL; |
| } |
| gpr_mu_unlock(&le->channel->mu); |
| } |
| } |
| |
| ZEND_BEGIN_ARG_INFO_EX(arginfo_construct, 0, 0, 2) |
| ZEND_ARG_INFO(0, target) |
| ZEND_ARG_INFO(0, args) |
| ZEND_END_ARG_INFO() |
| |
| ZEND_BEGIN_ARG_INFO_EX(arginfo_getTarget, 0, 0, 0) |
| ZEND_END_ARG_INFO() |
| |
| ZEND_BEGIN_ARG_INFO_EX(arginfo_getConnectivityState, 0, 0, 0) |
| ZEND_ARG_INFO(0, try_to_connect) |
| ZEND_END_ARG_INFO() |
| |
| ZEND_BEGIN_ARG_INFO_EX(arginfo_watchConnectivityState, 0, 0, 2) |
| ZEND_ARG_INFO(0, last_state) |
| ZEND_ARG_INFO(0, deadline) |
| ZEND_END_ARG_INFO() |
| |
| ZEND_BEGIN_ARG_INFO_EX(arginfo_close, 0, 0, 0) |
| ZEND_END_ARG_INFO() |
| |
| static zend_function_entry channel_methods[] = { |
| PHP_ME(Channel, __construct, arginfo_construct, |
| ZEND_ACC_PUBLIC | ZEND_ACC_CTOR) |
| PHP_ME(Channel, getTarget, arginfo_getTarget, |
| ZEND_ACC_PUBLIC) |
| PHP_ME(Channel, getConnectivityState, arginfo_getConnectivityState, |
| ZEND_ACC_PUBLIC) |
| PHP_ME(Channel, watchConnectivityState, arginfo_watchConnectivityState, |
| ZEND_ACC_PUBLIC) |
| PHP_ME(Channel, close, arginfo_close, |
| ZEND_ACC_PUBLIC) |
| PHP_FE_END |
| }; |
| |
| GRPC_STARTUP_FUNCTION(channel) { |
| zend_class_entry ce; |
| INIT_CLASS_ENTRY(ce, "Grpc\\Channel", channel_methods); |
| ce.create_object = create_wrapped_grpc_channel; |
| grpc_ce_channel = zend_register_internal_class(&ce TSRMLS_CC); |
| gpr_mu_init(&global_persistent_list_mu); |
| le_plink = zend_register_list_destructors_ex( |
| NULL, php_grpc_channel_plink_dtor, "Persistent Channel", module_number); |
| zend_hash_init_ex(&grpc_persistent_list, 20, NULL, |
| EG(persistent_list).pDestructor, 1, 0); |
| PHP_GRPC_INIT_HANDLER(wrapped_grpc_channel, channel_ce_handlers); |
| return SUCCESS; |
| } |