Files
nzbget/Connection.h
2013-04-17 20:21:46 +00:00

118 lines
3.2 KiB
C++

/*
* This file is part of nzbget
*
* Copyright (C) 2004 Sven Henkel <sidddy@users.sourceforge.net>
* Copyright (C) 2007-2013 Andrey Prygunkov <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.
*
* $Revision$
* $Date$
*
*/
#ifndef CONNECTION_H
#define CONNECTION_H
#ifndef HAVE_GETADDRINFO
#ifndef HAVE_GETHOSTBYNAME_R
#include "Thread.h"
#endif
#endif
#ifndef DISABLE_TLS
#include "TLS.h"
#endif
class Connection
{
public:
enum EStatus
{
csConnected,
csDisconnected,
csListening,
csCancelled
};
protected:
char* m_szHost;
int m_iPort;
SOCKET m_iSocket;
bool m_bTLS;
char* m_szCipher;
char* m_szReadBuf;
int m_iBufAvail;
char* m_szBufPtr;
EStatus m_eStatus;
int m_iTimeout;
bool m_bSuppressErrors;
char m_szRemoteAddr[20];
#ifndef DISABLE_TLS
TLSSocket* m_pTLSSocket;
bool m_bTLSError;
#endif
#ifndef HAVE_GETADDRINFO
#ifndef HAVE_GETHOSTBYNAME_R
static Mutex* m_pMutexGetHostByName;
#endif
#endif
Connection(SOCKET iSocket, bool bTLS);
void ReportError(const char* szMsgPrefix, const char* szMsgArg, bool PrintErrCode, int herrno);
bool DoConnect();
bool DoDisconnect();
#ifndef HAVE_GETADDRINFO
unsigned int ResolveHostAddr(const char* szHost);
#endif
#ifndef DISABLE_TLS
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(const char* szHost, int iPort, bool bTLS);
virtual ~Connection();
static void Init();
static void Final();
virtual bool Connect();
virtual bool Disconnect();
bool Bind();
bool Send(const char* pBuffer, int iSize);
bool Recv(char* pBuffer, int iSize);
int TryRecv(char* pBuffer, int iSize);
char* ReadLine(char* pBuffer, int iSize, int* pBytesRead);
void ReadBuffer(char** pBuffer, int *iBufLen);
int WriteLine(const char* pBuffer);
Connection* Accept();
void Cancel();
const char* GetHost() { return m_szHost; }
int GetPort() { return m_iPort; }
bool GetTLS() { return m_bTLS; }
const char* GetCipher() { return m_szCipher; }
void SetCipher(const char* szCipher);
void SetTimeout(int iTimeout) { m_iTimeout = iTimeout; }
EStatus GetStatus() { return m_eStatus; }
void SetSuppressErrors(bool bSuppressErrors);
bool GetSuppressErrors() { return m_bSuppressErrors; }
const char* GetRemoteAddr();
#ifndef DISABLE_TLS
bool StartTLS(bool bIsClient, const char* szCertFile, const char* szKeyFile);
#endif
};
#endif