libreoffice-online/loolwsd/IoUtil.hpp
Henry Castro c29944a386 loolwsd: fix close after close
The closing handshake.
Either peer can send a control frame with data containing
a specified control sequence to begin the closing handshake.

Upon receiving such a frame, the other peer sends a
Close frame in response, if it hasn't already sent one.
2016-04-18 20:27:27 -04:00

69 lines
2 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/.
*/
#ifndef INCLUDED_IOUTIL_HPP
#define INCLUDED_IOUTIL_HPP
#include <functional>
#include <string>
#include <memory>
#include <sys/poll.h>
#include <Poco/Net/WebSocket.h>
#include <Poco/Logger.h>
namespace IoUtil
{
/// Synchronously process WebSocket requests and dispatch to handler.
//. Handler returns false to end.
void SocketProcessor(std::shared_ptr<Poco::Net::WebSocket> ws,
std::function<bool(const std::vector<char>&)> handler,
std::function<void()> closeFrame,
std::function<bool()> stopPredicate);
/// Call WebSocket::shutdown() ignoring Poco::IOException.
void shutdownWebSocket(std::shared_ptr<Poco::Net::WebSocket> ws);
ssize_t writeFIFO(int pipe, const char* buffer, ssize_t size);
inline
ssize_t writeFIFO(int pipe, const std::string& message)
{
return writeFIFO(pipe, message.c_str(), message.size());
}
ssize_t readFIFO(int pipe, char* buffer, ssize_t size);
class PipeReader
{
public:
PipeReader(const std::string& name, const int pipe) :
_name(name),
_pipe(pipe)
{
}
const std::string& getName() const { return _name; }
/// Reads a single line from the pipe.
/// Returns 0 for timeout, <0 for error, and >0 on success.
/// On success, line will contain the read message.
int readLine(std::string& line,
std::function<bool()> stopPredicate);
private:
const std::string _name;
const int _pipe;
std::string _data;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */