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> |
yang-g | c07d9bf | 2015-07-28 09:19:22 -0700 | [diff] [blame] | 37 | #include <grpc/support/alloc.h> |
David Garcia Quintas | d7d9ce2 | 2015-06-30 23:29:03 -0700 | [diff] [blame] | 38 | #include <grpc/support/string_util.h> |
Yang Gao | a893892 | 2015-05-14 11:51:07 -0700 | [diff] [blame] | 39 | #include <grpc++/credentials.h> |
Craig Tiller | bb53614 | 2015-08-05 15:18:19 -0700 | [diff] [blame] | 40 | #include <grpc++/server_context.h> |
Nicolas Noble | 8921916 | 2015-04-07 18:01:18 -0700 | [diff] [blame] | 41 | #include <grpc++/time.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 42 | |
David Garcia Quintas | d7d9ce2 | 2015-06-30 23:29:03 -0700 | [diff] [blame] | 43 | #include "src/core/channel/compress_filter.h" |
yang-g | 3abe60b | 2015-07-06 14:00:36 -0700 | [diff] [blame] | 44 | #include "src/cpp/common/create_auth_context.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 45 | |
| 46 | namespace grpc { |
| 47 | |
| 48 | ClientContext::ClientContext() |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 49 | : initial_metadata_received_(false), |
| 50 | call_(nullptr), |
| 51 | cq_(nullptr), |
Craig Tiller | bb53614 | 2015-08-05 15:18:19 -0700 | [diff] [blame] | 52 | deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)), |
| 53 | propagate_from_call_(nullptr) {} |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 54 | |
| 55 | ClientContext::~ClientContext() { |
| 56 | if (call_) { |
| 57 | grpc_call_destroy(call_); |
| 58 | } |
| 59 | if (cq_) { |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 60 | // Drain cq_. |
Craig Tiller | 64be9f7 | 2015-05-04 14:53:51 -0700 | [diff] [blame] | 61 | grpc_completion_queue_shutdown(cq_); |
Craig Tiller | 143e7bf | 2015-07-13 08:41:49 -0700 | [diff] [blame] | 62 | while (grpc_completion_queue_next(cq_, gpr_inf_future(GPR_CLOCK_REALTIME)) |
| 63 | .type != GRPC_QUEUE_SHUTDOWN) |
Craig Tiller | 64be9f7 | 2015-05-04 14:53:51 -0700 | [diff] [blame] | 64 | ; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 65 | grpc_completion_queue_destroy(cq_); |
| 66 | } |
| 67 | } |
| 68 | |
Craig Tiller | 2c3be1d | 2015-08-05 15:59:27 -0700 | [diff] [blame^] | 69 | std::unique_ptr<ClientContext> ClientContext::FromServerContext( |
| 70 | const ServerContext& context, PropagationOptions options) { |
| 71 | std::unique_ptr<ClientContext> ctx(new ClientContext); |
| 72 | ctx->propagate_from_call_ = context.call_; |
| 73 | ctx->propagation_options_ = options; |
Craig Tiller | bb53614 | 2015-08-05 15:18:19 -0700 | [diff] [blame] | 74 | return ctx; |
| 75 | } |
| 76 | |
Yang Gao | 6baa9b6 | 2015-03-17 10:49:39 -0700 | [diff] [blame] | 77 | void ClientContext::AddMetadata(const grpc::string& meta_key, |
| 78 | const grpc::string& meta_value) { |
Yang Gao | 968ca53 | 2015-02-11 16:23:47 -0800 | [diff] [blame] | 79 | send_initial_metadata_.insert(std::make_pair(meta_key, meta_value)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 80 | } |
| 81 | |
Yang Gao | a893892 | 2015-05-14 11:51:07 -0700 | [diff] [blame] | 82 | void ClientContext::set_call(grpc_call* call, |
| 83 | const std::shared_ptr<ChannelInterface>& channel) { |
| 84 | GPR_ASSERT(call_ == nullptr); |
| 85 | call_ = call; |
| 86 | channel_ = channel; |
| 87 | if (creds_ && !creds_->ApplyToCall(call_)) { |
| 88 | grpc_call_cancel_with_status(call, GRPC_STATUS_CANCELLED, |
| 89 | "Failed to set credentials to rpc."); |
| 90 | } |
| 91 | } |
| 92 | |
Craig Tiller | bf6abee | 2015-07-19 22:31:04 -0700 | [diff] [blame] | 93 | void ClientContext::set_compression_algorithm( |
David Garcia Quintas | d7d9ce2 | 2015-06-30 23:29:03 -0700 | [diff] [blame] | 94 | grpc_compression_algorithm algorithm) { |
| 95 | char* algorithm_name = NULL; |
| 96 | if (!grpc_compression_algorithm_name(algorithm, &algorithm_name)) { |
| 97 | gpr_log(GPR_ERROR, "Name for compression algorithm '%d' unknown.", |
| 98 | algorithm); |
| 99 | abort(); |
| 100 | } |
| 101 | GPR_ASSERT(algorithm_name != NULL); |
| 102 | AddMetadata(GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, algorithm_name); |
| 103 | } |
| 104 | |
yang-g | 85c04f9 | 2015-07-07 17:47:31 -0700 | [diff] [blame] | 105 | std::shared_ptr<const AuthContext> ClientContext::auth_context() const { |
| 106 | if (auth_context_.get() == nullptr) { |
| 107 | auth_context_ = CreateAuthContext(call_); |
| 108 | } |
| 109 | return auth_context_; |
yang-g | 3abe60b | 2015-07-06 14:00:36 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Yang Gao | 406b32f | 2015-02-13 16:25:33 -0800 | [diff] [blame] | 112 | void ClientContext::TryCancel() { |
| 113 | if (call_) { |
| 114 | grpc_call_cancel(call_); |
| 115 | } |
| 116 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 117 | |
yang-g | c07d9bf | 2015-07-28 09:19:22 -0700 | [diff] [blame] | 118 | grpc::string ClientContext::peer() const { |
| 119 | grpc::string peer; |
| 120 | if (call_) { |
| 121 | char* c_peer = grpc_call_get_peer(call_); |
| 122 | peer = c_peer; |
| 123 | gpr_free(c_peer); |
| 124 | } |
| 125 | return peer; |
| 126 | } |
| 127 | |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 128 | } // namespace grpc |