libreoffice-online/loolwsd/Connect.cpp

167 lines
4.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <Poco/Net/HTTPClientSession.h>
#include <Poco/Net/HTTPRequest.h>
#include <Poco/Net/HTTPResponse.h>
#include <Poco/Net/NetException.h>
#include <Poco/Net/SocketStream.h>
#include <Poco/Net/StreamSocket.h>
#include <Poco/Net/TCPServer.h>
#include <Poco/Net/TCPServerConnection.h>
#include <Poco/Net/TCPServerConnectionFactory.h>
#include <Poco/Net/WebSocket.h>
#include <Poco/Process.h>
#include <Poco/StringTokenizer.h>
#include <Poco/TemporaryFile.h>
#include <Poco/Thread.h>
#include <Poco/URI.h>
#include <Poco/Util/Application.h>
#include <Poco/Util/HelpFormatter.h>
#include <Poco/Util/Option.h>
#include <Poco/Util/OptionSet.h>
#include "Common.hpp"
#include "LOOLProtocol.hpp"
#include "Util.hpp"
using namespace LOOLProtocol;
using Poco::Net::HTTPClientSession;
using Poco::Net::HTTPRequest;
using Poco::Net::HTTPResponse;
using Poco::Net::Socket;
using Poco::Net::SocketOutputStream;
using Poco::Net::StreamSocket;
using Poco::Net::TCPServer;
using Poco::Net::TCPServerConnection;
using Poco::Net::WebSocket;
using Poco::Net::WebSocketException;
using Poco::Runnable;
using Poco::StringTokenizer;
using Poco::TemporaryFile;
using Poco::Thread;
using Poco::URI;
using Poco::Util::Application;
using Poco::Util::HelpFormatter;
using Poco::Util::Option;
using Poco::Util::OptionSet;
class Output: public Runnable
{
public:
Output(WebSocket& ws) :
_ws(ws)
{
}
void run() override
{
int flags;
int n;
try
{
do
{
char buffer[100000];
n = _ws.receiveFrame(buffer, sizeof(buffer), flags);
if (n > 0 && (flags & WebSocket::FRAME_OP_BITMASK) != WebSocket::FRAME_OP_CLOSE)
{
std::cout << "Got " << n << " bytes: " << getAbbreviatedMessage(buffer, n) << std::endl;
std::string firstLine = getFirstLine(buffer, n);
StringTokenizer tokens(firstLine, " ", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
if (std::getenv("DISPLAY") != nullptr && tokens[0] == "tile:")
{
TemporaryFile pngFile;
std::ofstream pngStream(pngFile.path(), std::ios::binary);
pngStream.write(buffer + firstLine.size() + 1, n - firstLine.size() - 1);
pngStream.close();
if (std::system((std::string("display ") + pngFile.path()).c_str()) == -1)
{
// Not worth it to display a warning, this is just a throwaway test program, and
// the developer running it surely notices if nothing shows up...
}
}
}
}
while (n > 0 && (flags & WebSocket::FRAME_OP_BITMASK) != WebSocket::FRAME_OP_CLOSE);
}
catch (WebSocketException& exc)
{
_ws.close();
}
}
WebSocket& _ws;
};
class Connect: public Poco::Util::Application
{
public:
Connect() :
_uri("http://127.0.0.1:" + std::to_string(DEFAULT_CLIENT_PORT_NUMBER) + "/ws")
{
}
~Connect()
{
}
protected:
int main(const std::vector<std::string>& args) override
{
if (args.size() > 0)
_uri = URI(args[0]);
HTTPClientSession cs(_uri.getHost(), _uri.getPort());
HTTPRequest request(HTTPRequest::HTTP_GET, "/ws");
HTTPResponse response;
WebSocket ws(cs, request, response);
ws.setReceiveTimeout(0);
Thread thread;
Output output(ws);
thread.start(output);
while (!std::cin.eof())
{
std::string line;
std::getline(std::cin, line);
// Accept an input line "sleep <n>" that makes us sleep a number of seconds. Useful for
// debugging. Interrupt with Control-C.
if (line.find("sleep ") == 0)
{
long sleepTime = std::stol(line.substr(std::string("sleep").length()));
Thread::sleep(sleepTime * 1000);
}
else
ws.sendFrame(line.c_str(), line.size());
}
thread.join();
return Application::EXIT_OK;
}
private:
URI _uri;
};
POCO_APP_MAIN(Connect)
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */