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/*
*
* 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 */
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