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/*
*
* Copyright 2015, 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_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
#include "src/core/channel/channel_stack.h"
#include "src/core/client_config/resolver.h"
#define GRPC_MICROCHANNEL_SUBCHANNEL_ARG "grpc.microchannel_subchannel_key"
/* A client microchannel (aka uchannel) is a channel wrapping a subchannel, for
* the purposes of lightweight RPC communications from within the core.*/
extern const grpc_channel_filter grpc_client_uchannel_filter;
grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);
void grpc_client_uchannel_watch_connectivity_state(
grpc_exec_ctx *exec_ctx, grpc_channel_element *elem,
grpc_connectivity_state *state, grpc_closure *on_complete);
grpc_pollset_set *grpc_client_uchannel_get_connecting_pollset_set(
grpc_channel_element *elem);
void grpc_client_uchannel_add_interested_party(grpc_exec_ctx *exec_ctx,
grpc_channel_element *channel,
grpc_pollset *pollset);
void grpc_client_uchannel_del_interested_party(grpc_exec_ctx *exec_ctx,
grpc_channel_element *channel,
grpc_pollset *pollset);
grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
grpc_channel_args *args);
void grpc_client_uchannel_set_subchannel(grpc_channel *uchannel,
grpc_subchannel *subchannel);
#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H */
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