//=============================================================================
//
//   File : DccThread.cpp
//   Creation date : Tue Sep 20 09 2000 18:29:51 CEST Szymon Stefanek
//
//   This file is part of the KVIrc IRC client distribution
//   Copyright (C) 2000-2010 Szymon Stefanek (pragma at kvirc dot net)
//
//   This program is FREE software. You can redistribute it and/or
//   modify it under the terms of the GNU General Public License
//   as published by the Free Software Foundation; either version 2
//   of the License, or (at your option) any later version.
//
//   This program is distributed in the HOPE that it will be USEFUL,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//   See the GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with this program. If not, write to the Free Software Foundation,
//   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#include "DccThread.h"

#include "kvi_debug.h"
#include "KviWindow.h"
#include "KviError.h"
#include "KviMemory.h"
#include "KviNetUtils.h"
#include "kvi_socket.h"

#ifdef COMPILE_SSL_SUPPORT
#include "KviSSLMaster.h"
#endif

DccThread::DccThread(QObject * par, kvi_socket_t fd)
    : KviSensitiveThread()
{
	m_pParent = par;
	m_fd = fd;
	m_pMutex = new KviMutex();
#ifdef COMPILE_SSL_SUPPORT
	//	qDebug("CLEARING SSL IN DccThread constructor");
	m_pSSL = nullptr;
#endif
}

DccThread::~DccThread()
{
#ifdef COMPILE_SSL_SUPPORT
	if(m_pSSL)
		KviSSLMaster::freeSSL(m_pSSL);
	m_pSSL = nullptr;
#endif
	if(m_fd != KVI_INVALID_SOCKET)
		kvi_socket_close(m_fd);
	KVI_ASSERT(!m_pMutex->locked());
	delete m_pMutex;
}

#ifdef COMPILE_SSL_SUPPORT
void DccThread::setSSL(KviSSL * s)
{
	if(m_pSSL)
		KviSSLMaster::freeSSL(m_pSSL);
	m_pSSL = s;
}
#endif

bool DccThread::handleInvalidSocketRead(int readLen)
{
	KVI_ASSERT(readLen < 1);
	if(readLen == 0)
	{
		// connection closed
		postErrorEvent(KviError::RemoteEndClosedConnection);
		return false;
	}
	else
	{
		// error ?
		int err = kvi_socket_error();
		if((err != EINTR) && (err != EAGAIN))
		{
			postErrorEvent(KviError::translateSystemError(err));
			return false;
		}
	}
	return true; // continue
}

#ifdef COMPILE_SSL_SUPPORT
void DccThread::raiseSSLError()
{
	KviCString buffer;
	while(m_pSSL->getLastErrorString(buffer))
	{
		KviCString msg(KviCString::Format, "[SSL ERROR]: %s", buffer.ptr());
		postMessageEvent(msg.ptr());
	}
}
#endif

void DccThread::postErrorEvent(int err)
{
	KviThreadDataEvent<int> * e = new KviThreadDataEvent<int>(KVI_DCC_THREAD_EVENT_ERROR);
	e->setData(new int(err));
	postEvent(m_pParent, e);
}

void DccThread::postMessageEvent(const char * message)
{
	KviThreadDataEvent<KviCString> * e = new KviThreadDataEvent<KviCString>(KVI_DCC_THREAD_EVENT_MESSAGE);
	e->setData(new KviCString(message));
	postEvent(m_pParent, e);
}