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/*
*
* Copyright 2016 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 <grpc/support/port_platform.h>
#include "src/core/lib/channel/handshaker_registry.h"
#include <string.h>
#include <grpc/support/alloc.h>
//
// grpc_handshaker_factory_list
//
typedef struct {
grpc_handshaker_factory** list;
size_t num_factories;
} grpc_handshaker_factory_list;
static void grpc_handshaker_factory_list_register(
grpc_handshaker_factory_list* list, bool at_start,
grpc_handshaker_factory* factory) {
list->list = static_cast<grpc_handshaker_factory**>(gpr_realloc(
list->list,
(list->num_factories + 1) * sizeof(grpc_handshaker_factory*)));
if (at_start) {
memmove(list->list + 1, list->list,
sizeof(grpc_handshaker_factory*) * list->num_factories);
list->list[0] = factory;
} else {
list->list[list->num_factories] = factory;
}
++list->num_factories;
}
static void grpc_handshaker_factory_list_add_handshakers(
grpc_handshaker_factory_list* list, const grpc_channel_args* args,
grpc_handshake_manager* handshake_mgr) {
for (size_t i = 0; i < list->num_factories; ++i) {
grpc_handshaker_factory_add_handshakers(list->list[i], args, handshake_mgr);
}
}
static void grpc_handshaker_factory_list_destroy(
grpc_handshaker_factory_list* list) {
for (size_t i = 0; i < list->num_factories; ++i) {
grpc_handshaker_factory_destroy(list->list[i]);
}
gpr_free(list->list);
}
//
// plugin
//
static grpc_handshaker_factory_list
g_handshaker_factory_lists[NUM_HANDSHAKER_TYPES];
void grpc_handshaker_factory_registry_init() {
memset(g_handshaker_factory_lists, 0, sizeof(g_handshaker_factory_lists));
}
void grpc_handshaker_factory_registry_shutdown() {
for (size_t i = 0; i < NUM_HANDSHAKER_TYPES; ++i) {
grpc_handshaker_factory_list_destroy(&g_handshaker_factory_lists[i]);
}
}
void grpc_handshaker_factory_register(bool at_start,
grpc_handshaker_type handshaker_type,
grpc_handshaker_factory* factory) {
grpc_handshaker_factory_list_register(
&g_handshaker_factory_lists[handshaker_type], at_start, factory);
}
void grpc_handshakers_add(grpc_handshaker_type handshaker_type,
const grpc_channel_args* args,
grpc_handshake_manager* handshake_mgr) {
grpc_handshaker_factory_list_add_handshakers(
&g_handshaker_factory_lists[handshaker_type], args, handshake_mgr);
}
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