mirror of
https://github.com/XRPLF/rippled.git
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239 lines
8.7 KiB
C++
239 lines
8.7 KiB
C++
/*
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* Copyright (c) 2011, Peter Thorson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the WebSocket++ Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "../../src/endpoint.hpp"
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#include "../../src/roles/client.hpp"
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#include "../../src/md5/md5.hpp"
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#include <boost/thread.hpp>
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#include <iostream>
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// PLATFORM SPECIFIC STUFF
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#include <unistd.h>
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#include <sys/resource.h>
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#include <time.h>
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int msleep(unsigned long milisec);
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int msleep(unsigned long milisec)
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{
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struct timespec req={0};
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time_t sec=(int)(milisec/1000);
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milisec=milisec-(sec*1000);
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req.tv_sec=sec;
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req.tv_nsec=milisec*1000000L;
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while(nanosleep(&req,&req)==-1)
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continue;
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return 1;
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}
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// END PLATFORM SPECIFIC STUFF
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typedef websocketpp::endpoint<websocketpp::role::client,websocketpp::socket::plain> plain_endpoint_type;
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typedef plain_endpoint_type::handler_ptr plain_handler_ptr;
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typedef plain_endpoint_type::connection_ptr connection_ptr;
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class stress_client_handler : public plain_endpoint_type::handler {
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public:
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typedef stress_client_handler type;
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typedef plain_endpoint_type::connection_ptr connection_ptr;
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stress_client_handler(int num_connections)
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: m_connections_max(num_connections),
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m_connections_cur(0) {
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}
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void on_open(connection_ptr connection) {
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if (!m_timer) {
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m_timer.reset(new boost::asio::deadline_timer(connection->get_io_service(),boost::posix_time::seconds(0)));
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m_timer->expires_from_now(boost::posix_time::milliseconds(250));
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m_timer->async_wait(boost::bind(&type::on_timer,this,connection,boost::asio::placeholders::error));
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}
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m_connections_cur++;
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if (m_connections_cur == m_connections_max) {
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boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time();
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boost::posix_time::time_period period(m_start_time,now);
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int ms = period.length().total_milliseconds();
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std::cout << "Started " << m_connections_cur << " in " << ms << "ms" << " (" << m_connections_cur/(ms/1000.0) << "/s)" << std::endl;
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}
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}
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void on_message(connection_ptr connection, websocketpp::message::data::ptr msg) {
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//std::cout << "got message of size: " << msg->get_payload().size() << std::endl;
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m_msg_stats[websocketpp::md5_hash_hex(msg->get_payload())]++;
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if (m_msg_stats[websocketpp::md5_hash_hex(msg->get_payload())] == m_connections_max) {
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send_stats_update(connection);
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}
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}
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void on_fail(connection_ptr connection) {
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std::cout << "connection failed" << std::endl;
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}
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void on_timer(connection_ptr connection,const boost::system::error_code& error) {
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if (error) {
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std::cout << "on_timer error" << std::endl;
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return;
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}
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send_stats_update(connection);
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m_timer->expires_from_now(boost::posix_time::milliseconds(250));
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m_timer->async_wait(boost::bind(&type::on_timer,this,connection,boost::asio::placeholders::error));
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}
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void on_close(connection_ptr connection) {
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m_timer->cancel();
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}
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boost::posix_time::ptime m_start_time;
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private:
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void send_stats_update(connection_ptr connection) {
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if (m_msg_stats.empty()) {
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return;
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}
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// example: `ack:e3458d0aceff8b70a3e5c0afec632881=38;e3458d0aceff8b70a3e5c0afec632881=42;`
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std::stringstream msg;
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msg << "ack:";
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std::map<std::string,size_t>::iterator it;
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for (it = m_msg_stats.begin(); it != m_msg_stats.end(); it++) {
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msg << (*it).first << "=" << (*it).second << ";";
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}
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std::cout << "sending " << msg.str() << std::endl;
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connection->send(msg.str());
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m_msg_stats.clear();
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}
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unsigned int m_connections_max;
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unsigned int m_connections_cur;
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std::map<std::string,size_t> m_msg_stats;
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boost::shared_ptr<boost::asio::deadline_timer> m_timer;
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};
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int main(int argc, char* argv[]) {
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std::string uri = "ws://localhost:9002/";
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int num_connections = 100;
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int batch_size = 25;
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int delay_ms = 16;
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if (argc > 1) {
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if (argc != 5) {
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std::cout << "Usage: `echo_client test_url num_connections batch_size delay_ms`" << std::endl;
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} else {
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uri = argv[1];
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num_connections = atoi(argv[2]);
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batch_size = atoi(argv[3]);
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delay_ms = atoi(argv[4]);
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}
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}
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// 12288 is max OS X limit without changing kernal settings
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const rlim_t ideal_size = 200+num_connections;
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rlim_t old_size;
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rlim_t old_max;
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struct rlimit rl;
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int result;
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result = getrlimit(RLIMIT_NOFILE, &rl);
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if (result == 0) {
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//std::cout << "System FD limits: " << rl.rlim_cur << " max: " << rl.rlim_max << std::endl;
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old_size = rl.rlim_cur;
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old_max = rl.rlim_max;
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if (rl.rlim_cur < ideal_size) {
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std::cout << "Attempting to raise system file descriptor limit from " << rl.rlim_cur << " to " << ideal_size << std::endl;
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rl.rlim_cur = ideal_size;
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if (rl.rlim_max < ideal_size) {
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rl.rlim_max = ideal_size;
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}
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result = setrlimit(RLIMIT_NOFILE, &rl);
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if (result == 0) {
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std::cout << "Success" << std::endl;
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} else if (result == EPERM) {
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std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: Insufficient permissions. Try running process as root. system max: " << old_max << std::endl;
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} else {
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std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: " << errno << " system max: " << old_max << std::endl;
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}
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}
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}
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try {
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plain_handler_ptr handler(new stress_client_handler(num_connections));
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plain_endpoint_type endpoint(handler);
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endpoint.alog().unset_level(websocketpp::log::alevel::ALL);
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endpoint.elog().set_level(websocketpp::log::elevel::ALL);
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//endpoint.alog().set_level(websocketpp::log::alevel::DEVEL);
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//endpoint.alog().set_level(websocketpp::log::alevel::DEBUG_CLOSE);
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std::set<connection_ptr> connections;
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connections.insert(endpoint.connect(uri));
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boost::thread t(boost::bind(&plain_endpoint_type::run, &endpoint, false));
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std::cout << "launching " << num_connections << " connections to " << uri << " in batches of " << batch_size << std::endl;
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boost::dynamic_pointer_cast<stress_client_handler>(handler)->m_start_time = boost::posix_time::microsec_clock::local_time();
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for (int i = 0; i < num_connections-1; i++) {
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if (i % batch_size == 0) {
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//sleep(1);
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msleep(delay_ms);
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}
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connections.insert(endpoint.connect(uri));
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}
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std::cout << "complete" << std::endl;
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t.join();
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std::cout << "done" << std::endl;
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} catch (std::exception& e) {
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std::cerr << "Exception: " << e.what() << std::endl;
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}
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return 0;
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}
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