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/*
* This file is part of nzbget
*
* Copyright (C) 2004 Sven Henkel <sidddy@users.sourceforge.net>
* Copyright (C) 2007-2009 Andrei Prygounkov <hugbug@users.sourceforge.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.
*
* $Revision: 332 $
* $Date: 2009-06-07 18:53:32 +0200 (Sun, 07 Jun 2009) $
*
*/
#ifndef CONNECTION_H
#define CONNECTION_H
#include "NetAddress.h"
#ifndef HAVE_GETADDRINFO
#ifndef HAVE_GETHOSTBYNAME_R
#include "Thread.h"
#endif
#endif
class Connection
{
public:
enum EStatus
{
csConnected,
csDisconnected,
csListening,
csCancelled
};
protected:
NetAddress* m_pNetAddress;
SOCKET m_iSocket;
char* m_szReadBuf;
int m_iBufAvail;
char* m_szBufPtr;
EStatus m_eStatus;
int m_iTimeout;
bool m_bSuppressErrors;
bool m_bAutoClose;
#ifndef DISABLE_TLS
void* m_pTLS;
static bool bTLSLibInitialized;
bool m_bTLSError;
#endif
#ifndef HAVE_GETADDRINFO
#ifndef HAVE_GETHOSTBYNAME_R
static Mutex* m_pMutexGetHostByName;
#endif
#endif
void ReportError(const char* szMsgPrefix, const char* szMsgArg, bool PrintErrCode, int herrno);
virtual bool DoConnect();
virtual bool DoDisconnect();
int DoBind();
int DoWriteLine(const char* pBuffer);
char* DoReadLine(char* pBuffer, int iSize, int* pBytesRead);
SOCKET DoAccept();
#ifndef HAVE_GETADDRINFO
unsigned int ResolveHostAddr(const char* szHost);
#endif
#ifndef DISABLE_TLS
bool CheckTLSResult(int iResultCode, char* szErrStr, const char* szErrMsgPrefix);
int recv(SOCKET s, char* buf, int len, int flags);
int send(SOCKET s, const char* buf, int len, int flags);
void CloseTLS();
#endif
public:
Connection(NetAddress* pNetAddress);
Connection(SOCKET iSocket, bool bAutoClose);
virtual ~Connection();
static void Init(bool bTLS);
static void Final();
bool Connect();
bool Disconnect();
int Bind();
int Send(const char* pBuffer, int iSize);
int Recv(char* pBuffer, int iSize);
bool RecvAll(char* pBuffer, int iSize);
char* ReadLine(char* pBuffer, int iSize, int* pBytesRead);
int WriteLine(const char* pBuffer);
SOCKET Accept();
void Cancel();
NetAddress* GetServer() { return m_pNetAddress; }
SOCKET GetSocket() { return m_iSocket; }
void SetTimeout(int iTimeout) { m_iTimeout = iTimeout; }
EStatus GetStatus() { return m_eStatus; }
void SetSuppressErrors(bool bSuppressErrors) { m_bSuppressErrors = bSuppressErrors; }
bool GetSuppressErrors() { return m_bSuppressErrors; }
#ifndef DISABLE_TLS
bool StartTLS();
#endif
};
#endif
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