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++/support/channel_arguments.h>
      35             : 
      36             : #include <grpc/support/log.h>
      37             : #include "src/core/channel/channel_args.h"
      38             : 
      39             : namespace grpc {
      40             : 
      41         182 : ChannelArguments::ChannelArguments(const ChannelArguments& other)
      42         182 :     : strings_(other.strings_) {
      43         182 :   args_.reserve(other.args_.size());
      44         182 :   auto list_it_dst = strings_.begin();
      45         182 :   auto list_it_src = other.strings_.begin();
      46         309 :   for (auto a = other.args_.begin(); a != other.args_.end(); ++a) {
      47             :     grpc_arg ap;
      48         127 :     ap.type = a->type;
      49         127 :     GPR_ASSERT(list_it_src->c_str() == a->key);
      50         127 :     ap.key = const_cast<char*>(list_it_dst->c_str());
      51         127 :     ++list_it_src;
      52         127 :     ++list_it_dst;
      53         127 :     switch (a->type) {
      54             :       case GRPC_ARG_INTEGER:
      55           0 :         ap.value.integer = a->value.integer;
      56           0 :         break;
      57             :       case GRPC_ARG_STRING:
      58         127 :         GPR_ASSERT(list_it_src->c_str() == a->value.string);
      59         127 :         ap.value.string = const_cast<char*>(list_it_dst->c_str());
      60         127 :         ++list_it_src;
      61         127 :         ++list_it_dst;
      62         127 :         break;
      63             :       case GRPC_ARG_POINTER:
      64           0 :         ap.value.pointer = a->value.pointer;
      65           0 :         ap.value.pointer.p = a->value.pointer.copy(ap.value.pointer.p);
      66           0 :         break;
      67             :     }
      68         127 :     args_.push_back(ap);
      69             :   }
      70         182 : }
      71             : 
      72           0 : void ChannelArguments::Swap(ChannelArguments& other) {
      73           0 :   args_.swap(other.args_);
      74           0 :   strings_.swap(other.strings_);
      75           0 : }
      76             : 
      77           0 : void ChannelArguments::SetCompressionAlgorithm(
      78             :     grpc_compression_algorithm algorithm) {
      79           0 :   SetInt(GRPC_COMPRESSION_ALGORITHM_ARG, algorithm);
      80           0 : }
      81             : 
      82           2 : void ChannelArguments::SetInt(const grpc::string& key, int value) {
      83             :   grpc_arg arg;
      84           2 :   arg.type = GRPC_ARG_INTEGER;
      85           2 :   strings_.push_back(key);
      86           2 :   arg.key = const_cast<char*>(strings_.back().c_str());
      87           2 :   arg.value.integer = value;
      88             : 
      89           2 :   args_.push_back(arg);
      90           2 : }
      91             : 
      92         311 : void ChannelArguments::SetString(const grpc::string& key,
      93             :                                  const grpc::string& value) {
      94             :   grpc_arg arg;
      95         311 :   arg.type = GRPC_ARG_STRING;
      96         311 :   strings_.push_back(key);
      97         311 :   arg.key = const_cast<char*>(strings_.back().c_str());
      98         311 :   strings_.push_back(value);
      99         311 :   arg.value.string = const_cast<char*>(strings_.back().c_str());
     100             : 
     101         311 :   args_.push_back(arg);
     102         311 : }
     103             : 
     104         187 : void ChannelArguments::SetChannelArgs(grpc_channel_args* channel_args) const {
     105         187 :   channel_args->num_args = args_.size();
     106         187 :   if (channel_args->num_args > 0) {
     107         185 :     channel_args->args = const_cast<grpc_arg*>(&args_[0]);
     108             :   }
     109         187 : }
     110             : 
     111             : }  // namespace grpc