Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       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>
      37             : #include <grpc/support/alloc.h>
      38             : #include <grpc/support/string_util.h>
      39             : #include <grpc++/security/credentials.h>
      40             : #include <grpc++/server_context.h>
      41             : #include <grpc++/support/time.h>
      42             : 
      43             : #include "src/core/channel/compress_filter.h"
      44             : #include "src/cpp/common/create_auth_context.h"
      45             : 
      46             : namespace grpc {
      47             : 
      48     1298835 : ClientContext::ClientContext()
      49             :     : initial_metadata_received_(false),
      50             :       call_(nullptr),
      51             :       deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
      52     1298835 :       propagate_from_call_(nullptr) {}
      53             : 
      54     2596349 : ClientContext::~ClientContext() {
      55     1298178 :   if (call_) {
      56     1299152 :     grpc_call_destroy(call_);
      57             :   }
      58     1299197 : }
      59             : 
      60         216 : std::unique_ptr<ClientContext> ClientContext::FromServerContext(
      61             :     const ServerContext& context, PropagationOptions options) {
      62         216 :   std::unique_ptr<ClientContext> ctx(new ClientContext);
      63         216 :   ctx->propagate_from_call_ = context.call_;
      64         216 :   ctx->propagation_options_ = options;
      65         216 :   return ctx;
      66             : }
      67             : 
      68         417 : void ClientContext::AddMetadata(const grpc::string& meta_key,
      69             :                                 const grpc::string& meta_value) {
      70         417 :   send_initial_metadata_.insert(std::make_pair(meta_key, meta_value));
      71         417 : }
      72             : 
      73     1299162 : void ClientContext::set_call(grpc_call* call,
      74             :                              const std::shared_ptr<Channel>& channel) {
      75     1299162 :   GPR_ASSERT(call_ == nullptr);
      76     1299162 :   call_ = call;
      77     1299162 :   channel_ = channel;
      78     1299191 :   if (creds_ && !creds_->ApplyToCall(call_)) {
      79             :     grpc_call_cancel_with_status(call, GRPC_STATUS_CANCELLED,
      80           1 :                                  "Failed to set credentials to rpc.", nullptr);
      81             :   }
      82     1299189 : }
      83             : 
      84         405 : void ClientContext::set_compression_algorithm(
      85             :     grpc_compression_algorithm algorithm) {
      86         405 :   char* algorithm_name = nullptr;
      87         405 :   if (!grpc_compression_algorithm_name(algorithm, &algorithm_name)) {
      88             :     gpr_log(GPR_ERROR, "Name for compression algorithm '%d' unknown.",
      89           0 :             algorithm);
      90           0 :     abort();
      91             :   }
      92         405 :   GPR_ASSERT(algorithm_name != nullptr);
      93         405 :   AddMetadata(GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, algorithm_name);
      94         405 : }
      95             : 
      96           1 : std::shared_ptr<const AuthContext> ClientContext::auth_context() const {
      97           1 :   if (auth_context_.get() == nullptr) {
      98           1 :     auth_context_ = CreateAuthContext(call_);
      99             :   }
     100           1 :   return auth_context_;
     101             : }
     102             : 
     103          12 : void ClientContext::TryCancel() {
     104          12 :   if (call_) {
     105          12 :     grpc_call_cancel(call_, nullptr);
     106             :   }
     107          12 : }
     108             : 
     109           4 : grpc::string ClientContext::peer() const {
     110           4 :   grpc::string peer;
     111           4 :   if (call_) {
     112           4 :     char* c_peer = grpc_call_get_peer(call_);
     113           4 :     peer = c_peer;
     114           4 :     gpr_free(c_peer);
     115             :   }
     116           4 :   return peer;
     117             : }
     118             : 
     119             : }  // namespace grpc