Function main

example/streaming_batch_echo_c++/client.cpp:56–118

};

int main(int argc, char* argv[]) {
    // Parse gflags. We recommend you to use gflags as well.
    GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true);

    // A Channel represents a communication line to a Server. Notice that 
    // Channel is thread-safe and can be shared by all threads in your program.
    brpc::Channel channel;
        
    // Initialize the channel, NULL means using default options. 
    brpc::ChannelOptions options;
    options.protocol = brpc::PROTOCOL_BAIDU_STD;
    options.connection_type = FLAGS_connection_type;
    options.timeout_ms = FLAGS_timeout_ms/*milliseconds*/;
    options.max_retry = FLAGS_max_retry;
    if (channel.Init(FLAGS_server.c_str(), NULL) != 0) {
        LOG(ERROR) << "Fail to initialize channel";
        return -1;
    }

    // Normally, you should not call a Channel directly, but instead construct
    // a stub Service wrapping it. stub can be shared by all threads as well.
    example::EchoService_Stub stub(&channel);
    StreamClientReceiver receiver;
    brpc::Controller cntl;
    brpc::StreamIds streams;
    brpc::StreamOptions stream_options;
    stream_options.handler = &receiver;
    if (brpc::StreamCreate(streams, 3, cntl, &stream_options) != 0) {
        LOG(ERROR) << "Fail to create stream";
        return -1;
    }
    for(size_t i = 0; i < streams.size(); ++i) {
        LOG(INFO) << "Created Stream=" << streams[i];
    }
    example::EchoRequest request;
    example::EchoResponse response;
    request.set_message("I'm a RPC to connect stream");
    stub.Echo(&cntl, &request, &response, NULL);
    if (cntl.Failed()) {
        LOG(ERROR) << "Fail to connect stream, " << cntl.ErrorText();
        return -1;
    }
    
    while (!brpc::IsAskedToQuit()) {
        butil::IOBuf msg1;
        msg1.append("abcdefghijklmnopqrstuvwxyz");
        CHECK_EQ(0, brpc::StreamWrite(streams[0], msg1));
        butil::IOBuf msg2;
        msg2.append("0123456789");
        CHECK_EQ(0, brpc::StreamWrite(streams[1], msg2));
        sleep(1);
        butil::IOBuf msg3;
        msg3.append("hello world");
        CHECK_EQ(0, brpc::StreamWrite(streams[2], msg3));
        sleep(1);
    }

    CHECK_EQ(0, brpc::StreamClose(streams[0]));