hxsymbianudpsock.cpp
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2003 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "platform/symbian/hxsymbianudpsock.h"
- #include "hxsymbiansockhlp.h"
- #include "debug.h"
- #include "hxassert.h"
- #include "ihxpckts.h"
- #include "smartptr.h"
- #include <in_sock.h>
- #define D_UDPSOCKET 0x10000000
- class HXSymbianUDPWriter : public CActive
- {
- public:
- HXSymbianUDPWriter(HXSymbianUDPSocket* pParent);
- ~HXSymbianUDPWriter();
- void Write(RSocket& socket, ULONG32 ulAddr, UINT16 nPort,
- IHXBuffer* pBuffer);
-
- private:
- void RunL();
- void DoCancel();
- HXSymbianUDPSocket* m_pParent;
- IHXBuffer* m_pBuffer;
- TInetAddr m_sendAddr;
- TPtrC8 m_bufDes;
- };
- HXSymbianUDPWriter::HXSymbianUDPWriter(HXSymbianUDPSocket* pParent) :
- CActive(EPriorityStandard),
- m_pParent(pParent),
- m_pBuffer(0)
- {
- CActiveScheduler::Add(this);
- }
- HXSymbianUDPWriter::~HXSymbianUDPWriter()
- {
- if (IsActive())
- Cancel();
- HX_RELEASE(m_pBuffer);
- m_pParent = 0;
- }
-
- void HXSymbianUDPWriter::Write(RSocket& socket,
- ULONG32 ulAddr,
- UINT16 nPort,
- IHXBuffer* pBuffer)
- {
- HX_RELEASE(m_pBuffer);
- m_pBuffer = pBuffer;
- if (m_pBuffer)
- {
- m_pBuffer->AddRef();
-
- m_bufDes.Set(m_pBuffer->GetBuffer(), m_pBuffer->GetSize());
- m_sendAddr.SetAddress(ulAddr);
- m_sendAddr.SetPort(nPort);
- socket.SendTo(m_bufDes, m_sendAddr, 0, iStatus);
- SetActive();
- }
- }
- void HXSymbianUDPWriter::RunL()
- {
- HX_RESULT res = HXR_FAILED;
- if (iStatus == KErrNone)
- {
- res = HXR_OK;
- }
- else if(iStatus == KErrEof)
- {
- res = HXR_STREAM_DONE;
- }
- else if(iStatus == KErrNoMemory)
- {
- res = HXR_OUTOFMEMORY;
- }
- HX_RELEASE(m_pBuffer);
- m_pParent->OnWriteDone(res);
- }
- void HXSymbianUDPWriter::DoCancel()
- {}
- class HXSymbianUDPWriteInfo
- {
- public:
- HXSymbianUDPWriteInfo(ULONG32 ulAddr, UINT16 nPort,
- IHXBuffer* pBuffer);
- ~HXSymbianUDPWriteInfo();
- ULONG32 Address() const;
- UINT16 Port() const;
- IHXBuffer* GetBuffer();
- private:
- ULONG32 m_ulAddr;
- UINT16 m_nPort;
- IHXBuffer* m_pBuffer;
- };
- HXSymbianUDPWriteInfo::HXSymbianUDPWriteInfo(ULONG32 ulAddr,
- UINT16 nPort,
- IHXBuffer* pBuffer) :
- m_ulAddr(ulAddr),
- m_nPort(nPort),
- m_pBuffer(pBuffer)
- {
- if (m_pBuffer)
- {
- m_pBuffer->AddRef();
- }
- }
- HXSymbianUDPWriteInfo::~HXSymbianUDPWriteInfo()
- {
- HX_RELEASE(m_pBuffer);
- }
- ULONG32 HXSymbianUDPWriteInfo::Address() const
- {
- return m_ulAddr;
- }
- UINT16 HXSymbianUDPWriteInfo::Port() const
- {
- return m_nPort;
- }
- IHXBuffer* HXSymbianUDPWriteInfo::GetBuffer()
- {
- IHXBuffer* pRet = m_pBuffer;
- if (pRet)
- pRet->AddRef();
- return pRet;
- }
- class HXSymbianUDPReader : public CActive
- {
- public:
- HXSymbianUDPReader(HXSymbianUDPSocket* pParent,
- IHXCommonClassFactory* pCCF);
- ~HXSymbianUDPReader();
-
- HX_RESULT Read(RSocket& socket, UINT16);
- private:
- void RunL();
- void DoCancel();
- HXSymbianUDPSocket* m_pParent;
- IHXBuffer* m_pBuffer;
- TPtr8 m_bufDes;
- TInetAddr m_recvAddr;
- IHXCommonClassFactory* m_pCCF;
- };
- HXSymbianUDPReader::HXSymbianUDPReader(HXSymbianUDPSocket* pParent,
- IHXCommonClassFactory* pCCF) :
- CActive(EPriorityStandard),
- m_pParent(pParent),
- m_pBuffer(0),
- m_bufDes(0, 0),
- m_pCCF(pCCF)
- {
- CActiveScheduler::Add(this);
- if (m_pCCF)
- {
- m_pCCF->AddRef();
- }
- }
- HXSymbianUDPReader::~HXSymbianUDPReader()
- {
- if (IsActive())
- Cancel();
-
- HX_RELEASE(m_pBuffer);
- HX_RELEASE(m_pCCF);
- m_pParent = 0;
- }
- HX_RESULT HXSymbianUDPReader::Read(RSocket& socket, UINT16 uSize)
- {
- HX_RESULT res = HXR_FAILED;
- if (m_pParent)
- {
- res = HXSymbianSocketHelper::ResizeOrCreate(m_pCCF, uSize, m_pBuffer);
- if (HXR_OK == res)
- {
- m_bufDes.Set(m_pBuffer->GetBuffer(), 0, m_pBuffer->GetSize());
-
- socket.RecvFrom(m_bufDes, m_recvAddr, 0, iStatus);
- SetActive();
- }
- }
- return res;
- }
- void HXSymbianUDPReader::RunL()
- {
- HX_RESULT res = HXR_FAILED;
- if (iStatus == KErrNone)
- {
- res = HXR_OK;
- }
- else if(iStatus == KErrEof)
- {
- res = HXR_STREAM_DONE;
- }
- else if(iStatus == KErrNoMemory)
- {
- res = HXR_OUTOFMEMORY;
- }
-
- IHXBuffer* pBuffer = 0;
- if( res != HXR_OUTOFMEMORY )
- {
- HXSymbianSocketHelper::CopyOrTransfer(m_pCCF, m_bufDes.Length(),
- m_pBuffer, pBuffer);
- }
- // All error handling is done through the response object.
- m_pParent->OnReadDone(res,
- (ULONG32)m_recvAddr.Address(),
- m_recvAddr.Port(),
- pBuffer);
- HX_RELEASE(pBuffer);
- }
- void HXSymbianUDPReader::DoCancel()
- {}
- HXSymbianUDPSocket::HXSymbianUDPSocket(IHXCommonClassFactory* pCCF) :
- m_lRefCount(0),
- m_pResponse(0),
- m_state(udpNotOpen),
- m_ulRemoteAddr(0),
- m_nRemotePort(0),
- m_pWriter(0),
- m_pReader(0)
- {
- m_pWriter = new HXSymbianUDPWriter(this);
- m_pReader = new HXSymbianUDPReader(this, pCCF);
- if (pCCF && m_pWriter && m_pReader &&
- (m_socketServ.Connect() == KErrNone) &&
- (m_socket.Open(m_socketServ, KAfInet,
- KSockDatagram, KProtocolInetUdp) == KErrNone))
- {
- m_state = udpOpen;
- }
- }
- HXSymbianUDPSocket::~HXSymbianUDPSocket()
- {
- if (m_state != udpNotOpen)
- {
- CloseSocket(HXR_OK);
- m_socket.Close();
- m_socketServ.Close();
- }
- HX_DELETE(m_pWriter);
- HX_DELETE(m_pReader);
- HX_RELEASE(m_pResponse);
- }
- /*
- * IUnknown methods
- */
- STDMETHODIMP HXSymbianUDPSocket::QueryInterface(THIS_
- REFIID riid,
- void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXNetworkServices*)this },
- { GET_IIDHANDLE(IID_IHXUDPSocket), (IHXUDPSocket*) this },
- { GET_IIDHANDLE(IID_IHXSetSocketOption), (IHXSetSocketOption*) this },
- };
- return QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- STDMETHODIMP_(ULONG32) HXSymbianUDPSocket::AddRef(THIS)
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) HXSymbianUDPSocket::Release(THIS)
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
-
- delete this;
- return 0;
- }
- /*
- * IHXUDPSocket methods
- *
- * Network addresses and ports are in native byte order
- */
- STDMETHODIMP HXSymbianUDPSocket::Init(THIS_
- ULONG32 ulAddr,
- UINT16 nPort,
- IHXUDPResponse* pUDPResponse)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::Init(%08lx, %u)n",
- ulAddr, nPort));
- HX_RESULT res = HXR_FAILED;
- if (m_state != udpNotOpen)
- {
- if (!m_pResponse && !pUDPResponse)
- {
- res = HXR_UNEXPECTED;
- }
- else if (pUDPResponse)
- {
- HX_RELEASE(m_pResponse);
- m_pResponse = pUDPResponse;
- m_pResponse->AddRef();
- }
- if (m_pResponse)
- {
- m_ulRemoteAddr = ulAddr;
- m_nRemotePort = nPort;
-
- if (m_state == udpOpen)
- {
- m_state = udpInitialized;
- }
-
- res = HXR_OK;
- }
- }
- return res;
- }
- STDMETHODIMP HXSymbianUDPSocket::Bind(THIS_
- UINT32 ulLocalAddr,
- UINT16 nPort)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::Bind(%08lx, %u)n",
- ulLocalAddr, nPort));
- HX_RESULT res = HXR_FAILED;
- TInetAddr addr(ulLocalAddr, nPort);
- if ((m_state != udpNotOpen) &&
- (m_socket.Bind(addr) == KErrNone))
- {
- m_state = udpBound;
- res = HXR_OK;
- }
- return res;
- }
- STDMETHODIMP HXSymbianUDPSocket::Read(THIS_ UINT16 Size)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::Read(%d)n", Size));
- HX_RESULT res = HXR_FAILED;
- if (m_state == udpBound)
- {
- // Note: We intentionally ignore the read
- // size and use the maximum possible
- // UDP packet size. This allows us to
- // properly receive any UDP packet.
- res = DoRead(0xffff);
- }
- return res;
- }
- STDMETHODIMP HXSymbianUDPSocket::Write(THIS_ IHXBuffer* pBuffer)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::Write()n"));
- return WriteTo(m_ulRemoteAddr, m_nRemotePort, pBuffer);
- }
- STDMETHODIMP HXSymbianUDPSocket::WriteTo(THIS_
- ULONG32 ulAddr,
- UINT16 nPort,
- IHXBuffer* pBuffer)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::WriteTo(%08lx, %d)n",
- ulAddr, nPort));
- HX_RESULT res = HXR_FAILED;
- if ((m_state == udpBound) && pBuffer)
- {
- if (m_pWriter->IsActive())
- {
- // A write is in process. Cache the information
- // about this write for later use.
- HXSymbianUDPWriteInfo* pWriteInfo =
- new HXSymbianUDPWriteInfo(ulAddr, nPort, pBuffer);
- if (pWriteInfo)
- {
- LISTPOSITION listRet = m_writeList.AddTail(pWriteInfo);
- if( listRet == NULL )
- {
- res = HXR_OUTOFMEMORY;
- HX_DELETE(pWriteInfo);
- }
- else
- {
- res = HXR_OK;
- }
- }
- }
- else
- {
- // Do the write now
- m_pWriter->Write(m_socket, ulAddr, nPort, pBuffer);
- res = HXR_OK;
- }
- }
- return res;
- }
- STDMETHODIMP HXSymbianUDPSocket::GetLocalPort(THIS_
- REF(UINT16) port)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::GetLocalPort()n"));
- HX_RESULT res = HXR_FAILED;
- if (m_state == udpBound)
- {
- port = m_socket.LocalPort();
- res = HXR_OK;
- }
- return res;
- }
- STDMETHODIMP HXSymbianUDPSocket::JoinMulticastGroup(THIS_
- ULONG32 ulMulticastAddr,
- ULONG32 ulInterfaceAddr)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::JoinMulticastGroup(%08lx %08lx)n",
- ulMulticastAddr, ulInterfaceAddr));
- return HXR_NOTIMPL;
- }
-
- STDMETHODIMP HXSymbianUDPSocket::LeaveMulticastGroup(THIS_
- ULONG32 ulMulticastAddr,
- ULONG32 ulInterfaceAddr)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::LeaveMulticastGroup(%08lx %08lx)n",
- ulMulticastAddr, ulInterfaceAddr));
- return HXR_NOTIMPL;
- }
- STDMETHODIMP HXSymbianUDPSocket::SetOption(THIS_
- HX_SOCKET_OPTION option,
- UINT32 ulValue)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::SetOption(%d, %ld)n",
- option, ulValue));
- HX_RESULT res = HXR_FAILED;
- if (m_state == udpNotOpen)
- {
- switch(option)
- {
- case HX_SOCKOPT_REUSE_ADDR:
- case HX_SOCKOPT_REUSE_PORT:
- if (m_socket.SetOpt(KSoReuseAddr, KSOLSocket, ulValue) == KErrNone)
- {
- res = HXR_OK;
- }
- break;
- case HX_SOCKOPT_BROADCAST:
- case HX_SOCKOPT_SET_RECVBUF_SIZE:
- case HX_SOCKOPT_SET_SENDBUF_SIZE:
- case HX_SOCKOPT_MULTICAST_IF:
- res = HXR_UNEXPECTED;
- break;
- default:
- res = HXR_FAILED;
- break;
- };
- }
- return res;
- }
- void HXSymbianUDPSocket::OnWriteDone(HX_RESULT status)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::WriteDone(%ld)n", status));
- if (status == HXR_OK)
- {
- if (m_writeList.GetCount() > 0)
- {
- // Write the next buffer in the list
- HXSymbianUDPWriteInfo* pWriteInfo =
- (HXSymbianUDPWriteInfo*)m_writeList.RemoveHead();
- IHXBuffer* pBuffer = pWriteInfo->GetBuffer();
- m_pWriter->Write(m_socket,
- pWriteInfo->Address(), pWriteInfo->Port(),
- pBuffer);
- HX_RELEASE(pBuffer);
- delete pWriteInfo;
- }
- }
- else
- {
- CloseSocket(status);
- }
- }
- void HXSymbianUDPSocket::OnReadDone(HX_RESULT status,
- ULONG32 ulAddr, UINT16 nPort,
- IHXBuffer* pBuffer)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::OnReadDone(%ld, %08lx, %d)n",
- status, ulAddr, nPort));
- DECLARE_SMART_POINTER_UNKNOWN scopeRef((IHXUDPSocket*)this);
-
- // We assume that the reponse object is going to be responsible for error
- // handling, so the symbian network services does not try to notify
- // anyone of errors returned here.
- if (m_pResponse)
- {
- m_pResponse->ReadDone(status, pBuffer, ulAddr, nPort);
- }
- if (status != HXR_OK)
- {
- CloseSocket(status);
- }
- }
- HX_RESULT HXSymbianUDPSocket::DoRead(UINT16 size)
- {
- DPRINTF(D_UDPSOCKET, ("HXSymbianUDPSocket::DoRead(%d)n", size));
- HX_RESULT res = HXR_FAILED;
-
- if (m_pReader)
- {
- res = m_pReader->Read(m_socket, size);
- }
- return res;
- }
- void HXSymbianUDPSocket::CloseSocket(HX_RESULT status)
- {
- if (m_state != udpNotOpen)
- {
- // Cancel writer
- if (m_pWriter->IsActive())
- {
- m_socket.CancelWrite();
- m_pWriter->Cancel();
- }
- if (m_pReader->IsActive())
- {
- m_socket.CancelRecv();
- m_pReader->Cancel();
- }
-
- // Clear the writer list
- while (m_writeList.GetCount() > 0)
- {
- // Write the next buffer in the list
- HXSymbianUDPWriteInfo* pWriteInfo =
- (HXSymbianUDPWriteInfo*)m_writeList.RemoveHead();
-
- HX_DELETE(pWriteInfo);
- }
- m_state = udpOpen;
- }
- }