88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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/*
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File: UDPSocket.h
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Contains: Adds additional Socket functionality specific to UDP.
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*/
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#ifndef __UDPSOCKET_H__
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#define __UDPSOCKET_H__
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#ifndef __Win32__
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#include <sys/socket.h>
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#include <sys/uio.h>
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#endif
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#include "Socket.h"
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#include "UDPDemuxer.h"
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class UDPSocket : public Socket
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{
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public:
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//Another socket type flag (in addition to the ones defined in Socket.h).
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//The value of this can't conflict with those!
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enum
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{
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kWantsDemuxer = 0x0100 //UInt32
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};
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UDPSocket(Task* inTask, UInt32 inSocketType);
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virtual ~UDPSocket() { if (fDemuxer != NULL) delete fDemuxer; }
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//Open
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OS_Error Open() { return Socket::Open(SOCK_DGRAM); }
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OS_Error JoinMulticast(UInt32 inRemoteAddr);
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OS_Error LeaveMulticast(UInt32 inRemoteAddr);
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OS_Error SetTtl(UInt16 timeToLive);
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OS_Error SetMulticastInterface(UInt32 inLocalAddr);
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//returns an ERRNO
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OS_Error SendTo(UInt32 inRemoteAddr, UInt16 inRemotePort,
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void* inBuffer, UInt32 inLength);
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OS_Error RecvFrom(UInt32* outRemoteAddr, UInt16* outRemotePort,
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void* ioBuffer, UInt32 inBufLen, UInt32* outRecvLen);
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//A UDP socket may or may not have a demuxer associated with it. The demuxer
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//is a data structure so the socket can associate incoming data with the proper
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//task to process that data (based on source IP addr & port)
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UDPDemuxer* GetDemuxer() { return fDemuxer; }
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private:
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UDPDemuxer* fDemuxer;
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struct sockaddr_in fMsgAddr;
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};
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#endif // __UDPSOCKET_H__
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