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/*
*
* Copyright 2017 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.
*
*/
#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H
#include <grpc/support/port_platform.h>
#include <stdbool.h>
#include <grpc/impl/codegen/grpc_types.h>
#include "src/core/lib/iomgr/resolve_address.h"
typedef struct grpc_proxy_mapper grpc_proxy_mapper;
typedef struct {
/// Determines the proxy name to resolve for \a server_uri.
/// If no proxy is needed, returns false.
/// Otherwise, sets \a name_to_resolve, optionally sets \a new_args,
/// and returns true.
bool (*map_name)(grpc_proxy_mapper* mapper, const char* server_uri,
const grpc_channel_args* args, char** name_to_resolve,
grpc_channel_args** new_args);
/// Determines the proxy address to use to contact \a address.
/// If no proxy is needed, returns false.
/// Otherwise, sets \a new_address, optionally sets \a new_args, and
/// returns true.
bool (*map_address)(grpc_proxy_mapper* mapper,
const grpc_resolved_address* address,
const grpc_channel_args* args,
grpc_resolved_address** new_address,
grpc_channel_args** new_args);
/// Destroys \a mapper.
void (*destroy)(grpc_proxy_mapper* mapper);
} grpc_proxy_mapper_vtable;
struct grpc_proxy_mapper {
const grpc_proxy_mapper_vtable* vtable;
};
void grpc_proxy_mapper_init(const grpc_proxy_mapper_vtable* vtable,
grpc_proxy_mapper* mapper);
bool grpc_proxy_mapper_map_name(grpc_proxy_mapper* mapper,
const char* server_uri,
const grpc_channel_args* args,
char** name_to_resolve,
grpc_channel_args** new_args);
bool grpc_proxy_mapper_map_address(grpc_proxy_mapper* mapper,
const grpc_resolved_address* address,
const grpc_channel_args* args,
grpc_resolved_address** new_address,
grpc_channel_args** new_args);
void grpc_proxy_mapper_destroy(grpc_proxy_mapper* mapper);
#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H */
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