Darwin-Streaming-Server/CommonUtilitiesLib/TCPSocket.cpp

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/*
*
* @APPLE_LICENSE_HEADER_START@
*
* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*
*/
/*
File: TCPSocket.cpp
Contains: implements TCPSocket class
*/
#ifndef __Win32__
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#endif
#include <errno.h>
#include "TCPSocket.h"
#include "SocketUtils.h"
#include "OS.h"
#ifdef USE_NETLOG
#include <netlog.h>
#endif
void TCPSocket::SnarfSocket( TCPSocket & fromSocket )
{
// take the connection away from the other socket
// and use it as our own.
Assert(fFileDesc == EventContext::kInvalidFileDesc);
this->Set( fromSocket.fFileDesc, &fromSocket.fRemoteAddr );
// clear the old socket so he doesn't close and the like
struct sockaddr_in remoteaddr;
::memset( &remoteaddr, 0, sizeof( remoteaddr ) );
fromSocket.Set( EventContext::kInvalidFileDesc, &remoteaddr );
// get the event context too
this->SnarfEventContext( fromSocket );
}
void TCPSocket::Set(int inSocket, struct sockaddr_in* remoteaddr)
{
fRemoteAddr = *remoteaddr;
fFileDesc = inSocket;
if ( inSocket != EventContext::kInvalidFileDesc )
{
//make sure to find out what IP address this connection is actually occuring on. That
//way, we can report correct information to clients asking what the connection's IP is
#if __Win32__ || __osf__ || __sgi__ || __hpux__
int len = sizeof(fLocalAddr);
#else
socklen_t len = sizeof(fLocalAddr);
#endif
int err = ::getsockname(fFileDesc, (struct sockaddr*)&fLocalAddr, &len);
AssertV(err == 0, OSThread::GetErrno());
fState |= kBound;
fState |= kConnected;
}
else
fState = 0;
}
StrPtrLen* TCPSocket::GetRemoteAddrStr()
{
if (fRemoteStr.Len == kIPAddrBufSize)
SocketUtils::ConvertAddrToString(fRemoteAddr.sin_addr, &fRemoteStr);
return &fRemoteStr;
}
OS_Error TCPSocket::Connect(UInt32 inRemoteAddr, UInt16 inRemotePort)
{
::memset(&fRemoteAddr, 0, sizeof(fRemoteAddr));
fRemoteAddr.sin_family = AF_INET; /* host byte order */
fRemoteAddr.sin_port = htons(inRemotePort); /* short, network byte order */
fRemoteAddr.sin_addr.s_addr = htonl(inRemoteAddr);
/* don't forget to error check the connect()! */
int err = ::connect(fFileDesc, (sockaddr *)&fRemoteAddr, sizeof(fRemoteAddr));
fState |= kConnected;
if (err == -1)
{
fRemoteAddr.sin_port = 0;
fRemoteAddr.sin_addr.s_addr = 0;
return (OS_Error)OSThread::GetErrno();
}
return OS_NoErr;
}