| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #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/spl/spl_exceptions.h" |
| #include "php_grpc.h" |
| |
| #include "zend_exceptions.h" |
| |
| #include <stdbool.h> |
| |
| #include "grpc/grpc.h" |
| #include "grpc/support/log.h" |
| #include "grpc/grpc_security.h" |
| |
| #include "completion_queue.h" |
| #include "server.h" |
| #include "credentials.h" |
| |
| zend_class_entry *grpc_ce_channel; |
| |
| /* Frees and destroys an instance of wrapped_grpc_channel */ |
| void free_wrapped_grpc_channel(void *object TSRMLS_DC) { |
| wrapped_grpc_channel *channel = (wrapped_grpc_channel *)object; |
| if (channel->wrapped != NULL) { |
| grpc_channel_destroy(channel->wrapped); |
| } |
| efree(channel); |
| } |
| |
| /* Initializes an instance of wrapped_grpc_channel to be associated with an |
| * object of a class specified by class_type */ |
| zend_object_value create_wrapped_grpc_channel(zend_class_entry *class_type |
| TSRMLS_DC) { |
| zend_object_value retval; |
| wrapped_grpc_channel *intern; |
| intern = (wrapped_grpc_channel *)emalloc(sizeof(wrapped_grpc_channel)); |
| memset(intern, 0, sizeof(wrapped_grpc_channel)); |
| zend_object_std_init(&intern->std, class_type TSRMLS_CC); |
| object_properties_init(&intern->std, class_type); |
| retval.handle = zend_objects_store_put( |
| intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, |
| free_wrapped_grpc_channel, NULL TSRMLS_CC); |
| retval.handlers = zend_get_std_object_handlers(); |
| return retval; |
| } |
| |
| void php_grpc_read_args_array(zval *args_array, grpc_channel_args *args) { |
| HashTable *array_hash; |
| HashPosition array_pointer; |
| int args_index; |
| zval **data; |
| char *key; |
| uint key_len; |
| ulong index; |
| array_hash = Z_ARRVAL_P(args_array); |
| args->num_args = zend_hash_num_elements(array_hash); |
| args->args = ecalloc(args->num_args, sizeof(grpc_arg)); |
| args_index = 0; |
| for (zend_hash_internal_pointer_reset_ex(array_hash, &array_pointer); |
| zend_hash_get_current_data_ex(array_hash, (void **)&data, |
| &array_pointer) == SUCCESS; |
| zend_hash_move_forward_ex(array_hash, &array_pointer)) { |
| if (zend_hash_get_current_key_ex(array_hash, &key, &key_len, &index, 0, |
| &array_pointer) != HASH_KEY_IS_STRING) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "args keys must be strings", 1 TSRMLS_CC); |
| return; |
| } |
| 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); |
| break; |
| case IS_STRING: |
| args->args[args_index].value.string = Z_STRVAL_P(*data); |
| break; |
| default: |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "args values must be int or string", 1 TSRMLS_CC); |
| return; |
| } |
| args_index++; |
| } |
| } |
| |
| /** |
| * Construct an instance of the Channel class. If the $args array contains a |
| * "credentials" key mapping to a Credentials object, a secure channel will be |
| * created with those credentials. |
| * @param string $target The hostname to associate with this channel |
| * @param array $args The arguments to pass to the Channel (optional) |
| */ |
| PHP_METHOD(Channel, __construct) { |
| wrapped_grpc_channel *channel = |
| (wrapped_grpc_channel *)zend_object_store_get_object(getThis() TSRMLS_CC); |
| char *target; |
| int target_length; |
| zval *args_array = NULL; |
| grpc_channel_args args; |
| HashTable *array_hash; |
| zval **creds_obj = NULL; |
| wrapped_grpc_credentials *creds = NULL; |
| /* "s|a" == 1 string, 1 optional array */ |
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a", &target, |
| &target_length, &args_array) == FAILURE) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "Channel expects a string and an array", 1 TSRMLS_CC); |
| return; |
| } |
| if (args_array == NULL) { |
| channel->wrapped = grpc_channel_create(target, NULL); |
| } else { |
| array_hash = Z_ARRVAL_P(args_array); |
| if (zend_hash_find(array_hash, "credentials", sizeof("credentials"), |
| (void **)&creds_obj) == SUCCESS) { |
| if (zend_get_class_entry(*creds_obj TSRMLS_CC) != grpc_ce_credentials) { |
| zend_throw_exception(spl_ce_InvalidArgumentException, |
| "credentials must be a Credentials object", |
| 1 TSRMLS_CC); |
| return; |
| } |
| creds = (wrapped_grpc_credentials *)zend_object_store_get_object( |
| *creds_obj TSRMLS_CC); |
| zend_hash_del(array_hash, "credentials", 12); |
| } |
| php_grpc_read_args_array(args_array, &args); |
| if (creds == NULL) { |
| channel->wrapped = grpc_channel_create(target, &args); |
| } else { |
| gpr_log(GPR_DEBUG, "Initialized secure channel"); |
| channel->wrapped = |
| grpc_secure_channel_create(creds->wrapped, target, &args); |
| } |
| efree(args.args); |
| } |
| channel->target = ecalloc(target_length + 1, sizeof(char)); |
| memcpy(channel->target, target, target_length); |
| } |
| |
| /** |
| * Close the channel |
| */ |
| PHP_METHOD(Channel, close) { |
| wrapped_grpc_channel *channel = |
| (wrapped_grpc_channel *)zend_object_store_get_object(getThis() TSRMLS_CC); |
| if (channel->wrapped != NULL) { |
| grpc_channel_destroy(channel->wrapped); |
| channel->wrapped = NULL; |
| } |
| } |
| |
| static zend_function_entry channel_methods[] = { |
| PHP_ME(Channel, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR) |
| PHP_ME(Channel, close, NULL, ZEND_ACC_PUBLIC) PHP_FE_END}; |
| |
| void grpc_init_channel(TSRMLS_D) { |
| 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); |
| } |