| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #include <grpc++/client_context.h> |
| |
| #include <grpc/grpc.h> |
| #include "src/cpp/util/time.h" |
| |
| using std::chrono::system_clock; |
| |
| namespace grpc { |
| |
| ClientContext::ClientContext() |
| : initial_metadata_received_(false), |
| call_(nullptr), |
| cq_(nullptr), |
| absolute_deadline_(gpr_inf_future) {} |
| |
| ClientContext::~ClientContext() { |
| if (call_) { |
| grpc_call_destroy(call_); |
| } |
| if (cq_) { |
| grpc_completion_queue_shutdown(cq_); |
| // Drain cq_. |
| grpc_event *ev; |
| grpc_completion_type t; |
| do { |
| ev = grpc_completion_queue_next(cq_, gpr_inf_future); |
| t = ev->type; |
| grpc_event_finish(ev); |
| } while (t != GRPC_QUEUE_SHUTDOWN); |
| grpc_completion_queue_destroy(cq_); |
| } |
| } |
| |
| void ClientContext::set_absolute_deadline( |
| const system_clock::time_point &deadline) { |
| Timepoint2Timespec(deadline, &absolute_deadline_); |
| } |
| |
| system_clock::time_point ClientContext::absolute_deadline() { |
| return Timespec2Timepoint(absolute_deadline_); |
| } |
| |
| void ClientContext::AddMetadata(const grpc::string &meta_key, |
| const grpc::string &meta_value) { |
| send_initial_metadata_.insert(std::make_pair(meta_key, meta_value)); |
| } |
| |
| void ClientContext::TryCancel() { |
| if (call_) { |
| grpc_call_cancel(call_); |
| } |
| } |
| |
| } // namespace grpc |