| /* |
| * |
| * Copyright 2017, 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H |
| #define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_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_exec_ctx* exec_ctx, 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_exec_ctx* exec_ctx, 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_exec_ctx* exec_ctx, |
| 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_exec_ctx* exec_ctx, |
| 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 */ |