int
SocketBase::RecvFrom(void *pBuffer, int iBufLength, unsigned int uiFlags,
IPAddress &cSourceIP, int &iSourcePortNumber)
{
SocketAddress cSource;
socklen_t slDummy = cSource.SizeOf();
int iBytesRead;
WaitMutex();
if ((iBytesRead = recvfrom(iSockDesc, pBuffer, iBufLength, uiFlags, (sockaddr *)cSource, &slDummy)) < 0)
{
ClearMutex();
switch (errno)
{
case EBADF:
case ENOTSOCK: throw SocketException(SocketException::errBadDescriptor);
case ENOTCONN: throw SocketException(SocketException::errNotConnected);
case EAGAIN: throw SocketException(SocketException::errWouldBlock);
case EINTR: throw SocketException(SocketException::errInterrupted);
case EFAULT: throw SocketException(SocketException::errIllegalPointer);
case EINVAL: throw SocketException(SocketException::errInvalidArgument);
default: throw SocketException(SocketException::errUnknown, errno);
}
}
ClearMutex();
if (iBytesRead)
{
cSource.GetIPAddress(cSourceIP);
cSource.GetPortNumber(iSourcePortNumber);
return iBytesRead;
}
throw SocketException(SocketException::errNotConnected);
}
void
SocketBase::GetPeerName(IPAddress &cRemoteAddr, int &iRemotePort)
{
SocketAddress cRemote;
socklen_t slDummy = cRemote.SizeOf();
WaitMutex();
if (getpeername(iSockDesc, (sockaddr *)cRemote, &slDummy) < 0)
{
ClearMutex();
switch (errno)
{
case EBADF:
case ENOTSOCK: throw SocketException(SocketException::errBadDescriptor);
case ENOBUFS: throw SocketException(SocketException::errKernelMemory);
case EFAULT: throw SocketException(SocketException::errIllegalPointer);
default: throw SocketException(SocketException::errUnknown, errno);
}
}
ClearMutex();
cRemote.GetIPAddress(cRemoteAddr);
cRemote.GetPortNumber(iRemotePort);
}
int
SocketBase::protAccept(IPAddress &cRemoteAddr, int &iRemotePortNo)
{
int iNewSockDesc;
SocketAddress cRemote;
socklen_t slDummy = cRemote.SizeOf();
WaitMutex();
if ((iNewSockDesc = accept(iSockDesc, (sockaddr *) cRemote, &slDummy)) < 0)
{
ClearMutex();
switch (errno)
{
case EBADF:
case ENOTSOCK: throw SocketException(SocketException::errBadDescriptor);
case EAFNOSUPPORT: throw SocketException(SocketException::errNotStreamSock);
case EFAULT: throw SocketException(SocketException::errIllegalPointer);
case EAGAIN: throw SocketException(SocketException::errNoPendingConnections);
case EPERM: throw SocketException(SocketException::errFirewall);
case ENOMEM: throw SocketException(SocketException::errMemory);
default: throw SocketException(SocketException::errUnknown, errno);
}
}
ClearMutex();
cRemote.GetIPAddress(cRemoteAddr);
cRemote.GetPortNumber(iRemotePortNo);
return iNewSockDesc;
}