| /* |
| * |
| * 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 */ |