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/*
*
* 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 "call.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 "server.h"
#include "completion_queue.h"
#include "channel.h"
#include "server_credentials.h"
/* Frees and destroys an instance of wrapped_grpc_server */
void free_wrapped_grpc_server(void *object TSRMLS_DC) {
wrapped_grpc_server *server = (wrapped_grpc_server *)object;
if (server->wrapped != NULL) {
grpc_server_shutdown(server->wrapped);
grpc_server_destroy(server->wrapped);
}
efree(server);
}
/* Initializes an instance of wrapped_grpc_call to be associated with an object
* of a class specified by class_type */
zend_object_value create_wrapped_grpc_server(zend_class_entry *class_type
TSRMLS_DC) {
zend_object_value retval;
wrapped_grpc_server *intern;
intern = (wrapped_grpc_server *)emalloc(sizeof(wrapped_grpc_server));
memset(intern, 0, sizeof(wrapped_grpc_server));
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_server, NULL TSRMLS_CC);
retval.handlers = zend_get_std_object_handlers();
return retval;
}
/**
* Constructs a new instance of the Server class
* @param CompletionQueue $queue The completion queue to use with the server
* @param array $args The arguments to pass to the server (optional)
*/
PHP_METHOD(Server, __construct) {
wrapped_grpc_server *server =
(wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
zval *queue_obj;
zval *args_array = NULL;
grpc_channel_args args;
HashTable *array_hash;
zval **creds_obj = NULL;
wrapped_grpc_server_credentials *creds = NULL;
/* "O|a" == 1 Object, 1 optional array */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|a", &queue_obj,
grpc_ce_completion_queue, &args_array) == FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"Server expects a CompletionQueue and an array",
1 TSRMLS_CC);
return;
}
add_property_zval(getThis(), "completion_queue", queue_obj);
wrapped_grpc_completion_queue *queue =
(wrapped_grpc_completion_queue *)zend_object_store_get_object(
queue_obj TSRMLS_CC);
if (args_array == NULL) {
server->wrapped = grpc_server_create(queue->wrapped, 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_server_credentials) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"credentials must be a ServerCredentials object",
1 TSRMLS_CC);
return;
}
creds = (wrapped_grpc_server_credentials *)zend_object_store_get_object(
*creds_obj TSRMLS_CC);
zend_hash_del(array_hash, "credentials", sizeof("credentials"));
}
php_grpc_read_args_array(args_array, &args);
if (creds == NULL) {
server->wrapped = grpc_server_create(queue->wrapped, &args);
} else {
gpr_log(GPR_DEBUG, "Initialized secure server");
server->wrapped =
grpc_secure_server_create(creds->wrapped, queue->wrapped, &args);
}
efree(args.args);
}
}
/**
* Request a call on a server. Creates a single GRPC_SERVER_RPC_NEW event.
* @param long $tag_new The tag to associate with the new request
* @param long $tag_cancel The tag to use if the call is cancelled
* @return Void
*/
PHP_METHOD(Server, request_call) {
grpc_call_error error_code;
wrapped_grpc_server *server =
(wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
long tag_new;
/* "l" == 1 long */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &tag_new) ==
FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"request_call expects a long", 1 TSRMLS_CC);
return;
}
error_code = grpc_server_request_call_old(server->wrapped, (void *)tag_new);
MAYBE_THROW_CALL_ERROR(request_call, error_code);
}
/**
* Add a http2 over tcp listener.
* @param string $addr The address to add
* @return true on success, false on failure
*/
PHP_METHOD(Server, add_http2_port) {
wrapped_grpc_server *server =
(wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
const char *addr;
int addr_len;
/* "s" == 1 string */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &addr, &addr_len) ==
FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"add_http2_port expects a string", 1 TSRMLS_CC);
return;
}
RETURN_LONG(grpc_server_add_http2_port(server->wrapped, addr));
}
PHP_METHOD(Server, add_secure_http2_port) {
wrapped_grpc_server *server =
(wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
const char *addr;
int addr_len;
/* "s" == 1 string */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &addr, &addr_len) ==
FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"add_http2_port expects a string", 1 TSRMLS_CC);
return;
}
RETURN_LONG(grpc_server_add_secure_http2_port(server->wrapped, addr));
}
/**
* Start a server - tells all listeners to start listening
* @return Void
*/
PHP_METHOD(Server, start) {
wrapped_grpc_server *server =
(wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
grpc_server_start(server->wrapped);
}
static zend_function_entry server_methods[] = {
PHP_ME(Server, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
PHP_ME(Server, request_call, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Server, add_http2_port, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Server, add_secure_http2_port, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Server, start, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
void grpc_init_server(TSRMLS_D) {
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "Grpc\\Server", server_methods);
ce.create_object = create_wrapped_grpc_server;
grpc_ce_server = zend_register_internal_class(&ce TSRMLS_CC);
}
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