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version 3.0

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Bramfeld Team 2015-08-31 14:01:44 +02:00
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/*
* Copyright (c) 2008-2011 Juli Mallett. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <fcntl.h>
#include <event/event_system.h>
#include <io/stream_handle.h>
////////////////////////////////////////////////////////////////////////////////
// //
// File: stream_handle.cc //
// Description: basic operations on stream objects //
// Project: WANProxy XTech //
// Adapted by: Andreu Vidal Bramfeld-Software //
// Last modified: 2015-04-01 //
// //
////////////////////////////////////////////////////////////////////////////////
StreamHandle::StreamHandle (int fd) : log_("/file/descriptor"), fd_(fd)
{
int flags = ::fcntl (fd_, F_GETFL, 0);
if (flags == -1)
ERROR(log_) << "Could not get flags for file descriptor.";
else
{
flags = ::fcntl (fd_, F_SETFL, flags | O_NONBLOCK);
if (flags == -1)
ERROR(log_) << "Could not set flags for file descriptor, some operations may block.";
}
}
Action* StreamHandle::read (EventCallback* cb)
{
return event_system.track (fd_, StreamModeRead, cb);
}
Action* StreamHandle::write (Buffer& buf, EventCallback* cb)
{
if (cb)
cb->param ().buffer_ = buf;
return event_system.track (fd_, StreamModeWrite, cb);
}
Action* StreamHandle::close (EventCallback* cb)
{
return event_system.track (fd_, StreamModeEnd, cb);
}