84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// A client sending requests to server in batch every 1 second.
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#include <gflags/gflags.h>
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#include <butil/logging.h>
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#include <brpc/channel.h>
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#include <brpc/stream.h>
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#include "echo.pb.h"
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DEFINE_bool(send_attachment, true, "Carry attachment along with requests");
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DEFINE_string(connection_type, "", "Connection type. Available values: single, pooled, short");
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DEFINE_string(server, "0.0.0.0:8001", "IP Address of server");
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DEFINE_int32(timeout_ms, 100, "RPC timeout in milliseconds");
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DEFINE_int32(max_retry, 3, "Max retries(not including the first RPC)");
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int main(int argc, char* argv[]) {
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// Parse gflags. We recommend you to use gflags as well.
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GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
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// A Channel represents a communication line to a Server. Notice that
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// Channel is thread-safe and can be shared by all threads in your program.
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brpc::Channel channel;
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// Initialize the channel, NULL means using default options.
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brpc::ChannelOptions options;
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options.protocol = brpc::PROTOCOL_BAIDU_STD;
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options.connection_type = FLAGS_connection_type;
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options.timeout_ms = FLAGS_timeout_ms/*milliseconds*/;
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options.max_retry = FLAGS_max_retry;
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if (channel.Init(FLAGS_server.c_str(), NULL) != 0) {
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LOG(ERROR) << "Fail to initialize channel";
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return -1;
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}
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// Normally, you should not call a Channel directly, but instead construct
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// a stub Service wrapping it. stub can be shared by all threads as well.
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example::EchoService_Stub stub(&channel);
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brpc::Controller cntl;
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brpc::StreamId stream;
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if (brpc::StreamCreate(&stream, cntl, NULL) != 0) {
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LOG(ERROR) << "Fail to create stream";
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return -1;
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}
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LOG(INFO) << "Created Stream=" << stream;
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example::EchoRequest request;
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example::EchoResponse response;
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request.set_message("I'm a RPC to connect stream");
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stub.Echo(&cntl, &request, &response, NULL);
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if (cntl.Failed()) {
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LOG(ERROR) << "Fail to connect stream, " << cntl.ErrorText();
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return -1;
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}
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while (!brpc::IsAskedToQuit()) {
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butil::IOBuf msg1;
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msg1.append("abcdefghijklmnopqrstuvwxyz");
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CHECK_EQ(0, brpc::StreamWrite(stream, msg1));
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butil::IOBuf msg2;
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msg2.append("0123456789");
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CHECK_EQ(0, brpc::StreamWrite(stream, msg2));
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sleep(1);
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}
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CHECK_EQ(0, brpc::StreamClose(stream));
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LOG(INFO) << "EchoClient is going to quit";
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return 0;
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}
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