Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 0605995 | 2015-02-18 08:34:56 -0800 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <grpc++/client_context.h> |
| 35 | |
| 36 | #include <grpc/grpc.h> |
yangg | 87da1b9 | 2014-12-11 15:57:37 -0800 | [diff] [blame] | 37 | #include "src/cpp/util/time.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 38 | |
| 39 | using std::chrono::system_clock; |
| 40 | |
| 41 | namespace grpc { |
| 42 | |
| 43 | ClientContext::ClientContext() |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 44 | : initial_metadata_received_(false), |
| 45 | call_(nullptr), |
| 46 | cq_(nullptr), |
| 47 | absolute_deadline_(gpr_inf_future) {} |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 48 | |
| 49 | ClientContext::~ClientContext() { |
| 50 | if (call_) { |
| 51 | grpc_call_destroy(call_); |
| 52 | } |
| 53 | if (cq_) { |
| 54 | grpc_completion_queue_shutdown(cq_); |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 55 | // Drain cq_. |
Yang Gao | 6baa9b6 | 2015-03-17 10:49:39 -0700 | [diff] [blame] | 56 | grpc_event* ev; |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 57 | grpc_completion_type t; |
| 58 | do { |
| 59 | ev = grpc_completion_queue_next(cq_, gpr_inf_future); |
| 60 | t = ev->type; |
| 61 | grpc_event_finish(ev); |
| 62 | } while (t != GRPC_QUEUE_SHUTDOWN); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 63 | grpc_completion_queue_destroy(cq_); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | void ClientContext::set_absolute_deadline( |
Yang Gao | 6baa9b6 | 2015-03-17 10:49:39 -0700 | [diff] [blame] | 68 | const system_clock::time_point& deadline) { |
yangg | 87da1b9 | 2014-12-11 15:57:37 -0800 | [diff] [blame] | 69 | Timepoint2Timespec(deadline, &absolute_deadline_); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | system_clock::time_point ClientContext::absolute_deadline() { |
yangg | 87da1b9 | 2014-12-11 15:57:37 -0800 | [diff] [blame] | 73 | return Timespec2Timepoint(absolute_deadline_); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 74 | } |
| 75 | |
Yang Gao | 6baa9b6 | 2015-03-17 10:49:39 -0700 | [diff] [blame] | 76 | void ClientContext::AddMetadata(const grpc::string& meta_key, |
| 77 | const grpc::string& meta_value) { |
Yang Gao | 968ca53 | 2015-02-11 16:23:47 -0800 | [diff] [blame] | 78 | send_initial_metadata_.insert(std::make_pair(meta_key, meta_value)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 79 | } |
| 80 | |
Yang Gao | 406b32f | 2015-02-13 16:25:33 -0800 | [diff] [blame] | 81 | void ClientContext::TryCancel() { |
| 82 | if (call_) { |
| 83 | grpc_call_cancel(call_); |
| 84 | } |
| 85 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 86 | |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 87 | } // namespace grpc |