| /* |
| * |
| * 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_LIB_SURFACE_CHANNEL_H |
| #define GRPC_CORE_LIB_SURFACE_CHANNEL_H |
| |
| #include "src/core/lib/channel/channel_stack.h" |
| #include "src/core/lib/channel/channel_stack_builder.h" |
| #include "src/core/lib/surface/channel_stack_type.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| 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); |
| |
| grpc_channel* grpc_channel_create_with_builder( |
| grpc_exec_ctx* exec_ctx, grpc_channel_stack_builder* builder, |
| grpc_channel_stack_type channel_stack_type); |
| |
| /** 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, grpc_millis 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); |
| |
| size_t grpc_channel_get_call_size_estimate(grpc_channel* channel); |
| void grpc_channel_update_call_size_estimate(grpc_channel* channel, size_t size); |
| |
| #ifndef NDEBUG |
| 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); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_H */ |