rename test file
This commit is contained in:
Benjamin Sergeant
335
test/IXWebSocketChatTest.cpp
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335
test/IXWebSocketChatTest.cpp
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/*
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* cmd_websocket_chat.cpp
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* Author: Benjamin Sergeant
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* Copyright (c) 2017 Machine Zone. All rights reserved.
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*/
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//
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// Simple chat program that talks to the node.js server at
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// websocket_chat_server/broacast-server.js
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//
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#include <iostream>
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#include <sstream>
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#include <vector>
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#include <mutex>
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#include <ixwebsocket/IXWebSocket.h>
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#include <ixwebsocket/IXWebSocketServer.h>
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#include "msgpack11.hpp"
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#include "IXTest.h"
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#include "catch.hpp"
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using msgpack11::MsgPack;
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using namespace ix;
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namespace
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{
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class WebSocketChat
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{
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public:
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WebSocketChat(const std::string& user,
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const std::string& session,
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int port);
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void subscribe(const std::string& channel);
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void start();
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void stop();
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bool isReady() const;
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void sendMessage(const std::string& text);
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size_t getReceivedMessagesCount() const;
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const std::vector<std::string>& getReceivedMessages() const;
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std::string encodeMessage(const std::string& text);
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std::pair<std::string, std::string> decodeMessage(const std::string& str);
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void appendMessage(const std::string& message);
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private:
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std::string _user;
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std::string _session;
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int _port;
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ix::WebSocket _webSocket;
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std::vector<std::string> _receivedMessages;
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mutable std::mutex _mutex;
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};
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WebSocketChat::WebSocketChat(const std::string& user,
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const std::string& session,
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int port) :
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_user(user),
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_session(session),
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_port(port)
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{
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;
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}
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size_t WebSocketChat::getReceivedMessagesCount() const
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{
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std::lock_guard<std::mutex> lock(_mutex);
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return _receivedMessages.size();
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}
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const std::vector<std::string>& WebSocketChat::getReceivedMessages() const
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{
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std::lock_guard<std::mutex> lock(_mutex);
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return _receivedMessages;
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}
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void WebSocketChat::appendMessage(const std::string& message)
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{
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std::lock_guard<std::mutex> lock(_mutex);
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_receivedMessages.push_back(message);
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}
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bool WebSocketChat::isReady() const
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{
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return _webSocket.getReadyState() == ix::ReadyState::Open;
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}
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void WebSocketChat::stop()
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{
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_webSocket.stop();
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}
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void WebSocketChat::start()
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{
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std::string url;
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{
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std::stringstream ss;
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ss << "ws://127.0.0.1:"
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<< _port
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<< "/"
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<< _user;
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url = ss.str();
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}
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_webSocket.setUrl(url);
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std::stringstream ss;
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log(std::string("Connecting to url: ") + url);
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_webSocket.setOnMessageCallback(
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[this](const ix::WebSocketMessagePtr& msg)
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{
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std::stringstream ss;
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if (msg->type == ix::WebSocketMessageType::Open)
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{
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ss << "cmd_websocket_chat: user "
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<< _user
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<< " Connected !";
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log(ss.str());
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}
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else if (msg->type == ix::WebSocketMessageType::Close)
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{
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ss << "cmd_websocket_chat: user "
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<< _user
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<< " disconnected !";
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log(ss.str());
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}
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else if (msg->type == ix::WebSocketMessageType::Message)
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{
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auto result = decodeMessage(msg->str);
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// Our "chat" / "broacast" node.js server does not send us
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// the messages we send, so we don't need to have a msg_user != user
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// as we do for the satori chat example.
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// store text
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appendMessage(result.second);
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std::string payload = result.second;
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if (payload.size() > 2000)
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{
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payload = "<message too large>";
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}
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ss << std::endl
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<< result.first << " > " << payload
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<< std::endl
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<< _user << " > ";
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log(ss.str());
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}
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else if (msg->type == ix::WebSocketMessageType::Error)
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{
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ss << "cmd_websocket_chat: Error ! " << msg->errorInfo.reason;
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log(ss.str());
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}
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else if (msg->type == ix::WebSocketMessageType::Ping)
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{
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log("cmd_websocket_chat: received ping message");
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}
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else if (msg->type == ix::WebSocketMessageType::Pong)
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{
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log("cmd_websocket_chat: received pong message");
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}
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else if (msg->type == ix::WebSocketMessageType::Fragment)
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{
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log("cmd_websocket_chat: received message fragment");
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}
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else
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{
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ss << "Unexpected ix::WebSocketMessageType";
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log(ss.str());
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}
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});
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_webSocket.start();
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}
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std::pair<std::string, std::string> WebSocketChat::decodeMessage(const std::string& str)
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{
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std::string errMsg;
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MsgPack msg = MsgPack::parse(str, errMsg);
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std::string msg_user = msg["user"].string_value();
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std::string msg_text = msg["text"].string_value();
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return std::pair<std::string, std::string>(msg_user, msg_text);
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}
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std::string WebSocketChat::encodeMessage(const std::string& text)
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{
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std::map<MsgPack, MsgPack> obj;
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obj["user"] = _user;
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obj["text"] = text;
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MsgPack msg(obj);
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std::string output = msg.dump();
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return output;
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}
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void WebSocketChat::sendMessage(const std::string& text)
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{
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_webSocket.sendBinary(encodeMessage(text));
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}
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bool startServer(ix::WebSocketServer& server)
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{
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server.setOnConnectionCallback(
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[&server](std::shared_ptr<ix::WebSocket> webSocket,
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std::shared_ptr<ConnectionState> connectionState)
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{
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webSocket->setOnMessageCallback(
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[webSocket, connectionState, &server](const ix::WebSocketMessagePtr& msg)
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{
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if (msg->type == ix::WebSocketMessageType::Open)
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{
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Logger() << "New connection";
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Logger() << "id: " << connectionState->getId();
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Logger() << "Uri: " << msg->openInfo.uri;
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Logger() << "Headers:";
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for (auto it : msg->openInfo.headers)
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{
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Logger() << it.first << ": " << it.second;
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}
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}
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else if (msg->type == ix::WebSocketMessageType::Close)
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{
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log("Closed connection");
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}
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else if (msg->type == ix::WebSocketMessageType::Message)
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{
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for (auto&& client : server.getClients())
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{
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if (client != webSocket)
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{
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client->sendBinary(msg->str);
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}
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}
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}
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}
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);
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}
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);
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auto res = server.listen();
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if (!res.first)
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{
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log(res.second);
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return false;
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}
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server.start();
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return true;
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}
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}
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TEST_CASE("Websocket_chat", "[websocket_chat]")
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{
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SECTION("Exchange and count sent/received messages.")
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{
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ix::setupWebSocketTrafficTrackerCallback();
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int port = 8090;
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ix::WebSocketServer server(port);
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REQUIRE(startServer(server));
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std::string session = ix::generateSessionId();
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WebSocketChat chatA("jean", session, port);
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WebSocketChat chatB("paul", session, port);
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chatA.start();
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chatB.start();
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// Wait for all chat instance to be ready
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while (true)
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{
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if (chatA.isReady() && chatB.isReady()) break;
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ix::msleep(10);
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}
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REQUIRE(server.getClients().size() == 2);
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// Add a bit of extra time, for the subscription to be active
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ix::msleep(200);
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chatA.sendMessage("from A1");
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chatA.sendMessage("from A2");
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chatA.sendMessage("from A3");
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chatB.sendMessage("from B1");
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chatB.sendMessage("from B2");
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// Test large messages that needs to be broken into small fragments
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size_t size = 1 * 1024 * 1024; // ~1Mb
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std::string bigMessage(size, 'a');
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chatB.sendMessage(bigMessage);
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log("Sent all messages");
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// Wait until all messages are received. 10s timeout
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int attempts = 0;
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while (chatA.getReceivedMessagesCount() != 3 ||
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chatB.getReceivedMessagesCount() != 3)
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{
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REQUIRE(attempts++ < 10);
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ix::msleep(1000);
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}
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chatA.stop();
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chatB.stop();
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REQUIRE(chatA.getReceivedMessagesCount() == 3);
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REQUIRE(chatB.getReceivedMessagesCount() == 3);
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REQUIRE(chatB.getReceivedMessages()[0] == "from A1");
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REQUIRE(chatB.getReceivedMessages()[1] == "from A2");
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REQUIRE(chatB.getReceivedMessages()[2] == "from A3");
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REQUIRE(chatA.getReceivedMessages()[0] == "from B1");
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REQUIRE(chatA.getReceivedMessages()[1] == "from B2");
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REQUIRE(chatA.getReceivedMessages()[2].size() == bigMessage.size());
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// Give us 1000ms for the server to notice that clients went away
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ix::msleep(1000);
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REQUIRE(server.getClients().size() == 0);
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ix::reportWebSocketTraffic();
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}
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}
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