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/*
*
* Copyright 2016, 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 "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 = 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_exec_ctx* exec_ctx, 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(exec_ctx, list->list[i], args,
handshake_mgr);
}
}
static void grpc_handshaker_factory_list_destroy(
grpc_exec_ctx* exec_ctx, grpc_handshaker_factory_list* list) {
for (size_t i = 0; i < list->num_factories; ++i) {
grpc_handshaker_factory_destroy(exec_ctx, 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(grpc_exec_ctx* exec_ctx) {
for (size_t i = 0; i < NUM_HANDSHAKER_TYPES; ++i) {
grpc_handshaker_factory_list_destroy(exec_ctx,
&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_exec_ctx* exec_ctx,
grpc_handshaker_type handshaker_type,
const grpc_channel_args* args,
grpc_handshake_manager* handshake_mgr) {
grpc_handshaker_factory_list_add_handshakers(
exec_ctx, &g_handshaker_factory_lists[handshaker_type], args,
handshake_mgr);
}
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