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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_CORE_LIB_SURFACE_CHANNEL_H
#define GRPC_CORE_LIB_SURFACE_CHANNEL_H
#include "src/core/lib/channel/channel_stack.h"
#include "src/core/lib/surface/channel_stack_type.h"
grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
const grpc_channel_args *args,
grpc_channel_stack_type channel_stack_type,
grpc_transport *optional_transport);
/** Create a call given a grpc_channel, in order to call \a method.
Progress is tied to activity on \a pollset_set. The returned call object is
meant to be used with \a grpc_call_start_batch_and_execute, which relies on
callbacks to signal completions. \a method and \a host need
only live through the invocation of this function. If \a parent_call is
non-NULL, it must be a server-side call. It will be used to propagate
properties from the server call to this new client call, depending on the
value of \a propagation_mask (see propagation_bits.h for possible values) */
grpc_call *grpc_channel_create_pollset_set_call(
grpc_exec_ctx *exec_ctx, grpc_channel *channel, grpc_call *parent_call,
uint32_t propagation_mask, grpc_pollset_set *pollset_set, grpc_slice method,
const grpc_slice *host, gpr_timespec deadline, void *reserved);
/** Get a (borrowed) pointer to this channels underlying channel stack */
grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel);
/** Get a grpc_mdelem of grpc-status: X where X is the numeric value of
status_code.
The returned elem is owned by the caller. */
grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_exec_ctx *exec_ctx,
grpc_channel *channel,
int status_code);
#ifdef GRPC_STREAM_REFCOUNT_DEBUG
void grpc_channel_internal_ref(grpc_channel *channel, const char *reason);
void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx, grpc_channel *channel,
const char *reason);
#define GRPC_CHANNEL_INTERNAL_REF(channel, reason) \
grpc_channel_internal_ref(channel, reason)
#define GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, reason) \
grpc_channel_internal_unref(exec_ctx, channel, reason)
#else
void grpc_channel_internal_ref(grpc_channel *channel);
void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx,
grpc_channel *channel);
#define GRPC_CHANNEL_INTERNAL_REF(channel, reason) \
grpc_channel_internal_ref(channel)
#define GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, reason) \
grpc_channel_internal_unref(exec_ctx, channel)
#endif
/** Return the channel's compression options. */
grpc_compression_options grpc_channel_compression_options(
const grpc_channel *channel);
#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_H */
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