| /* |
| * |
| * Copyright 2015 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_CONNECTOR_H |
| #define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CONNECTOR_H |
| |
| #include "src/core/lib/channel/channel_stack.h" |
| #include "src/core/lib/iomgr/resolve_address.h" |
| #include "src/core/lib/transport/transport.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct grpc_connector grpc_connector; |
| typedef struct grpc_connector_vtable grpc_connector_vtable; |
| |
| struct grpc_connector { |
| const grpc_connector_vtable* vtable; |
| }; |
| |
| typedef struct { |
| /** set of pollsets interested in this connection */ |
| grpc_pollset_set* interested_parties; |
| /** deadline for connection */ |
| grpc_millis deadline; |
| /** channel arguments (to be passed to transport) */ |
| const grpc_channel_args* channel_args; |
| } grpc_connect_in_args; |
| |
| typedef struct { |
| /** the connected transport */ |
| grpc_transport* transport; |
| |
| /** channel arguments (to be passed to the filters) */ |
| grpc_channel_args* channel_args; |
| } grpc_connect_out_args; |
| |
| struct grpc_connector_vtable { |
| void (*ref)(grpc_connector* connector); |
| void (*unref)(grpc_exec_ctx* exec_ctx, grpc_connector* connector); |
| /** Implementation of grpc_connector_shutdown */ |
| void (*shutdown)(grpc_exec_ctx* exec_ctx, grpc_connector* connector, |
| grpc_error* why); |
| /** Implementation of grpc_connector_connect */ |
| void (*connect)(grpc_exec_ctx* exec_ctx, grpc_connector* connector, |
| const grpc_connect_in_args* in_args, |
| grpc_connect_out_args* out_args, grpc_closure* notify); |
| }; |
| |
| grpc_connector* grpc_connector_ref(grpc_connector* connector); |
| void grpc_connector_unref(grpc_exec_ctx* exec_ctx, grpc_connector* connector); |
| /** Connect using the connector: max one outstanding call at a time */ |
| void grpc_connector_connect(grpc_exec_ctx* exec_ctx, grpc_connector* connector, |
| const grpc_connect_in_args* in_args, |
| grpc_connect_out_args* out_args, |
| grpc_closure* notify); |
| /** Cancel any pending connection */ |
| void grpc_connector_shutdown(grpc_exec_ctx* exec_ctx, grpc_connector* connector, |
| grpc_error* why); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CONNECTOR_H */ |