Function main

example/selective_echo_c++/server.cpp:94–172

};

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

    if (FLAGS_server_num <= 0) {
        LOG(ERROR) << "server_num must be positive";
        return -1;
    }

    // We need multiple servers in this example.
    brpc::Server* servers = new brpc::Server[FLAGS_server_num];
    // For more options see `brpc/server.h'.
    brpc::ServerOptions options;
    options.idle_timeout_sec = FLAGS_idle_timeout_s;
    options.max_concurrency = FLAGS_max_concurrency;

    butil::StringSplitter sp(FLAGS_sleep_us.c_str(), ',');
    std::vector<int64_t> sleep_list;
    for (; sp; ++sp) {
        sleep_list.push_back(strtoll(sp.field(), NULL, 10));
    }
    if (sleep_list.empty()) {
        sleep_list.push_back(0);
    }

    // Instance of your services.
    EchoServiceImpl* echo_service_impls = new EchoServiceImpl[FLAGS_server_num];
    // Add the service into servers. Notice the second parameter, because the
    // service is put on stack, we don't want server to delete it, otherwise
    // use brpc::SERVER_OWNS_SERVICE.
    for (int i = 0; i < FLAGS_server_num; ++i) {
        int64_t sleep_us = sleep_list[(size_t)i < sleep_list.size() ? i : (sleep_list.size() - 1)];
        echo_service_impls[i].set_index(i, sleep_us);
        // will be shown on /version page
        servers[i].set_version(butil::string_printf(
                    "example/selective_echo_c++[%d]", i));
        if (servers[i].AddService(&echo_service_impls[i], 
                                  brpc::SERVER_DOESNT_OWN_SERVICE) != 0) {
            LOG(ERROR) << "Fail to add service";
            return -1;
        }
        // Start the server.
        int port = FLAGS_port + i;
        if (servers[i].Start(port, &options) != 0) {
            LOG(ERROR) << "Fail to start EchoServer";
            return -1;
        }
    }

    // Service logic are running in separate worker threads, for main thread,
    // we don't have much to do, just spinning.
    std::vector<size_t> last_num_requests(FLAGS_server_num);
    while (!brpc::IsAskedToQuit()) {
        sleep(1);

        size_t cur_total = 0;
        for (int i = 0; i < FLAGS_server_num; ++i) {
            const size_t current_num_requests =