// Copyright (c) 2014 Baidu, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // Benchmark http-server by multiple threads. #include <gflags/gflags.h> #include <bthread/bthread.h> #include <butil/logging.h> #include <brpc/channel.h> #include <brpc/server.h> #include <bvar/bvar.h> DEFINE_string(data, "", "POST this data to the http server"); DEFINE_int32(thread_num, 50, "Number of threads to send requests"); DEFINE_bool(use_bthread, false, "Use bthread to send requests"); DEFINE_string(connection_type, "", "Connection type. Available values: single, pooled, short"); DEFINE_string(url, "0.0.0.0:8010/HttpService/Echo", "url of server"); DEFINE_string(load_balancer, "", "The algorithm for load balancing"); DEFINE_int32(timeout_ms, 100, "RPC timeout in milliseconds"); DEFINE_int32(max_retry, 3, "Max retries(not including the first RPC)"); DEFINE_bool(dont_fail, false, "Print fatal when some call failed"); DEFINE_int32(dummy_port, -1, "Launch dummy server at this port"); DEFINE_string(protocol, "http", "Client-side protocol"); bvar::LatencyRecorder g_latency_recorder("client"); static void* sender(void* arg) { brpc::Channel* channel = static_cast<brpc::Channel*>(arg); while (!brpc::IsAskedToQuit()) { // We will receive response synchronously, safe to put variables // on stack. brpc::Controller cntl; cntl.set_timeout_ms(FLAGS_timeout_ms/*milliseconds*/); cntl.set_max_retry(FLAGS_max_retry); cntl.http_request().uri() = FLAGS_url; if (!FLAGS_data.empty()) { cntl.http_request().set_method(brpc::HTTP_METHOD_POST); cntl.request_attachment().append(FLAGS_data); } // Because `done'(last parameter) is NULL, this function waits until // the response comes back or error occurs(including timedout). channel->CallMethod(NULL, &cntl, NULL, NULL, NULL); if (!cntl.Failed()) { g_latency_recorder << cntl.latency_us(); } else { CHECK(brpc::IsAskedToQuit() || !FLAGS_dont_fail) << "error=" << cntl.ErrorText() << " latency=" << cntl.latency_us(); // We can't connect to the server, sleep a while. Notice that this // is a specific sleeping to prevent this thread from spinning too // fast. You should continue the business logic in a production // server rather than sleeping. bthread_usleep(100000); } } return NULL; } int main(int argc, char* argv[]) { // Parse gflags. We recommend you to use gflags as well. GFLAGS_NS::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; brpc::ChannelOptions options; options.protocol = FLAGS_protocol; options.connection_type = FLAGS_connection_type; // Initialize the channel, NULL means using default options. // options, see `brpc/channel.h'. if (channel.Init(FLAGS_url.c_str(), FLAGS_load_balancer.c_str(), &options) != 0) { LOG(ERROR) << "Fail to initialize channel"; return -1; } std::vector<bthread_t> bids; std::vector<pthread_t> pids; if (!FLAGS_use_bthread) { pids.resize(FLAGS_thread_num); for (int i = 0; i < FLAGS_thread_num; ++i) { if (pthread_create(&pids[i], NULL, sender, &channel) != 0) { LOG(ERROR) << "Fail to create pthread"; return -1; } } } else { 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; } } } if (FLAGS_dummy_port >= 0) { brpc::StartDummyServerAt(FLAGS_dummy_port); } while (!brpc::IsAskedToQuit()) { sleep(1); LOG(INFO) << "Sending " << FLAGS_protocol << " requests at qps=" << g_latency_recorder.qps(1) << " latency=" << g_latency_recorder.latency(1); } LOG(INFO) << "benchmark_http is going to quit"; 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; }