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/*__________________________________________________________________________
FreeAmp - The Free MP3 Player
Portions Copyright (C) 2000 Relatable
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: wincomsocket.cpp,v 1.5 2001/09/12 21:43:19 robert Exp $
____________________________________________________________________________*/
#include "wincomsocket.h"
#if !defined(WIN32) && !defined(__BEOS__)
#define closesocket(s) close(s)
#endif
MBCOMSocket::MBCOMSocket(int nSocket, int nSockType)
{
m_nSocket = nSocket;
m_bConnected = true;
if (m_nSocket != INVALID_SOCKET)
m_bConnected = true;
m_nSockType = nSockType;
}
MBCOMSocket::~MBCOMSocket()
{
if (IsConnected()) Disconnect();
}
/** Connects a socket to pIP, on nPort, of type nType. */
int MBCOMSocket::Connect(const char* pIP, int nPort, int nType, bool bBroadcast)
{
if (IsConnected())
Disconnect();
sockaddr_in addr;
//hostent* pServer;
unsigned long uAddr = inet_addr(pIP);
int nErr = 0;
m_nSockType = nType;
m_nSocket = socket(AF_INET, nType, 0);
if (m_nSocket == INVALID_SOCKET)
return INVALID_SOCKET;
/*
pServer = gethostbyname(pIP);
if (pServer == NULL)
{
closesocket(m_nSocket);
m_nSocket = INVALID_SOCKET;
return INVALID_SOCKET;
}
*/
memset((char*)&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = uAddr;
//memcpy((char *)&addr.sin_addr.s_addr, (char*)(pServer->h_addr), pServer->h_length); /* set address */
//bcopy((char*)(pServer->h_addr), (char*)&(addr.sin_addr.s_addr), pServer->h_length);
addr.sin_port = htons(nPort);
nErr = connect(m_nSocket, (sockaddr*)&addr, sizeof(sockaddr_in));
if (nErr == SOCKET_ERROR)
{
closesocket(m_nSocket);
m_nSocket = INVALID_SOCKET;
return INVALID_SOCKET;
}
m_bConnected = true;
return 0;
}
/** Disconnects the current socket */
int MBCOMSocket::Disconnect()
{
int nErr = 0;
if (!IsConnected())
return SOCKET_ERROR;
if (m_nSockType == SOCK_STREAM)
{
nErr = shutdown(m_nSocket, 2);
}
nErr = closesocket(m_nSocket);
m_nSocket = INVALID_SOCKET;
m_bConnected = false;
return (nErr != SOCKET_ERROR) - 1;
}
/** Checks if there is a current open connection */
bool MBCOMSocket::IsConnected()
{
return m_bConnected;
}
/** Reads from a socket, into pbuffer, up to a max of nLen byte, and writes
* how many were actually written to nBytesWritten. */
int MBCOMSocket::Read(char* pBuffer, int nLen, int* nBytesWritten)
{
if (!IsConnected())
return SOCKET_ERROR; // no connection
int nErr = 0;
nErr = recv(m_nSocket, pBuffer, nLen, 0);
//nErr = recv(m_nSocket, (void*)pBuffer, nLen, 0);
if ((nErr != SOCKET_ERROR) && (nBytesWritten != NULL))
{
*nBytesWritten = nErr;
}
return (nErr != SOCKET_ERROR) - 1;
}
/** Reads in a non blocking fashion (ie, selects and polls) for nTimeout seconds */
int MBCOMSocket::NBRead(char* pBuffer, int nLen, int* nBytesWritten, int nTimeout)
{
timeval tval;
tval.tv_sec = nTimeout;
tval.tv_usec = 0;
fd_set rset;
int nErr = 0;
FD_ZERO(&rset);
FD_SET(m_nSocket, &rset);
int nResSelect = select(m_nSocket + 1, &rset, NULL, NULL, &tval);
if ((nResSelect != 0) && (nResSelect != SOCKET_ERROR) &&
(FD_ISSET(m_nSocket, &rset)))
{
if ((nErr = Read(pBuffer, nLen, nBytesWritten)) == 0)
{
return 0;
}
}
else
{
return -1; // FD_ISSET failed.
}
return 0;
}
/** Writes to a socket, from buffer pBuffer, up to nLen bytes, and returns the number of written bytes in pnBytesWritten. */
int MBCOMSocket::Write(const char* pBuffer, int nLen, int* pnBytesWritten)
{
if (!IsConnected())
return SOCKET_ERROR; // no connection
int nErr = 0;
nErr = send(m_nSocket, pBuffer, nLen, 0);
//nErr = send(m_nSocket, (void*)pBuffer, nLen, 0);
if ((nErr != SOCKET_ERROR) && (pnBytesWritten != NULL))
{
*pnBytesWritten = nErr;
}
return (nErr != SOCKET_ERROR) - 1;
}
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