[GitHub] [incubator-brpc] pklim101 opened a new issue #1050: ParallelChannel并发HTTP请求，但是响应里没有body数据

[GitBox <gi...@apache.org>]

pklim101 opened a new issue #1050: ParallelChannel并发HTTP请求，但是响应里没有body数据
URL: https://github.com/apache/incubator-brpc/issues/1050
 
 
   ParallelChannel并发HTTP请求，但是响应里没有body数据，而且打印的”test-protocol“也是为0，但是前面已经设置了HTTP协议的，不应该为0.
   
   代码如下：
   `DEFINE_string(server, "127.0.0.1:8080", "IP Address of server");
   static void* sender(void* arg) {
           auto channel = static_cast<google::protobuf::RpcChannel*>(arg);
           brpc::Controller cntl;
           example::HttpRequest request;
           example::HttpResponse response;
           cntl.set_log_id(100);  
           cntl.http_request().uri() = "http://127.0.0.1:8080/article";
           cntl.http_request().SetHeader("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:73.0) Gecko/20100101 Firefox/73.1");
           cntl.http_request().uri().SetQuery("cid", "20");
           cntl.http_request().uri().SetQuery("tag", "xxx");
           cntl.http_request().set_content_type("text/plain");
   
           channel->CallMethod(NULL, &cntl, &request, &response, NULL);
           std::cout << "test-protocol:" << cntl.request_protocol() << std::endl;
   
           butil::IOBuf& buf = cntl.request_attachment();
           std::string str = cntl.request_attachment().to_string(); // 有拷贝
           std::cout << "test-body:" << str << std::endl;
   
           if (!cntl.Failed()) {
               std::cout << "success." << std::endl;
               std::cout << "test-body2:" << cntl.response_attachment() << std::endl;
           } else {
               std::cout << cntl.response_attachment() << std::endl;
               bthread_usleep(50000);
           }
       return NULL;
   }
   
   int main(int argc, char* argv[]) {
       GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
       brpc::ParallelChannel channel;
       brpc::ParallelChannelOptions pchan_options;
       pchan_options.timeout_ms = FLAGS_timeout_ms;
       pchan_options.fail_limit = 0;
       if (channel.Init(&pchan_options) != 0) {
           LOG(ERROR) << "Fail to init ParallelChannel";
           return -1;
       }
       brpc::ChannelOptions sub_options;
       sub_options.protocol = "http";
       sub_options.connection_type = FLAGS_connection_type;
       sub_options.max_retry = FLAGS_max_retry;
   
           for (int i = 0; i < FLAGS_channel_num; ++i) {
               brpc::Channel* sub_channel = new brpc::Channel;
               if (sub_channel->Init(FLAGS_server.c_str(), FLAGS_load_balancer.c_str(), &sub_options) != 0) {
                   LOG(ERROR) << "Fail to initialize sub_channel[" << i << "]";
                   return -1;
               }
               if (channel.AddChannel(sub_channel, brpc::OWNS_CHANNEL,
                                      NULL, NULL) != 0) {
                   LOG(ERROR) << "Fail to AddChannel, i=" << i;
                   return -1;
               }
           }
       std::vector<bthread_t> bids;
           bids.resize(FLAGS_thread_num);
           for (int i = 0; i < FLAGS_thread_num; ++i) {
               if (bthread_start_background(
                       &bids[i], NULL, sender, &channel) != 0) {
                   LOG(ERROR) << "Fail to create bthread";
                   return -1;
               }
           }
       for (int i = 0; i < FLAGS_thread_num; ++i) {
           if (!FLAGS_use_bthread) {
               pthread_join(pids[i], NULL);
           } else {
               bthread_join(bids[i], NULL);
           }
       }
   
       return 0;
   }`

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