libreoffice-online/common/IoUtil.hpp
2017-03-16 18:03:23 +00:00

64 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 <memory>
#include <string>
#include <LOOLWebSocket.hpp>
namespace IoUtil
{
/// Synchronously process LOOLWebSocket requests and dispatch to handler.
/// Handler returns false to end.
void SocketProcessor(const std::shared_ptr<LOOLWebSocket>& ws,
const std::string& name,
const std::function<bool(const std::vector<char>&)>& handler,
const std::function<void()>& closeFrame,
const std::function<bool()>& stopPredicate);
ssize_t writeToPipe(int pipe, const char* buffer, ssize_t size);
inline ssize_t writeToPipe(int pipe, const std::string& message)
{
return writeToPipe(pipe, message.c_str(), message.size());
}
ssize_t readFromPipe(int pipe, char* buffer, ssize_t size);
/// Helper class to handle reading from a pipe.
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,
const std::function<bool()>& stopPredicate);
private:
const std::string _name;
const int _pipe;
std::string _data;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */