Leaked source code of windows server 2003
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/* file: mbftRecv.cpp */
#include "mbftpch.h"
#include "mbftrecv.hpp"
#include "fileio.hpp"
#include "messages.hpp"
#include "mbftper.h"
extern TCHAR s_szMSFT[64];
extern HRESULT GetRecvFolder(LPTSTR pszInFldr, LPTSTR pszOutFldr);
extern void OnChangeFolder(void);
extern int MyLoadString(UINT idStr, LPTSTR pszDstStr, LPTSTR pszElement);
LPTSTR GetRootDirPath(LPTSTR pszDirPath, LPTSTR pszRootDirPath, int nSize);
MBFTPrivateReceive::MBFTPrivateReceive
(
LPMBFTENGINE lpParentEngine,
MBFTEVENTHANDLE EventHandle,
T120ChannelID wControlChannel,
T120ChannelID wDataChannel
)
:
MBFTSession(lpParentEngine, EventHandle, MBFT_PRIVATE_RECV_TYPE),
m_PrivateMBFTControlChannel(wControlChannel),
m_PrivateMBFTDataChannel(wDataChannel),
m_MBFTControlSenderID(0),
m_MBFTDataSenderID(0),
m_ProshareSenderID(0),
m_LocalMBFTUserID(0),
m_bProshareTransfer(FALSE),
m_JoinedToDataChannel(FALSE),
m_bOKToLeaveDataChannel(FALSE),
m_CurrentReceiveEvent(NULL),
m_bEventEndPosted(FALSE),
m_CurrentAcceptHandle(0),
m_CurrentRejectHandle(0),
m_CurrentFileEndHandle(0),
m_PreviousRejectState(EnumIdleNotInitialized),
m_State(EnumWaitAdmitControlChannel)
{
m_PrivateMBFTDataChannelList.Append(m_PrivateMBFTDataChannel);
}
MBFTPrivateReceive::~MBFTPrivateReceive(void)
{
m_ReceiveList.DeleteAll();
}
void MBFTPrivateReceive::JoinControlChannel(void)
{
if(m_lpParentEngine->MCSChannelJoinRequest(m_PrivateMBFTControlChannel))
{
m_State = EnumWaitJoinControlChannel;
}
else
{
m_State = EnumInitializationFailed;
}
}
void MBFTPrivateReceive::JoinDataChannel(void)
{
if(m_lpParentEngine->MCSChannelJoinRequest(m_PrivateMBFTDataChannel))
{
if(m_State == EnumWaitAdmitDataChannelIndication)
{
m_State = EnumWaitJoinDataChannel;
}
}
else
{
m_State = EnumInitializationFailed;
}
}
BOOL MBFTPrivateReceive::OnMCSChannelJoinConfirm
(
T120ChannelID wChannelID,
BOOL bSuccess
)
{
BOOL bReturn = FALSE;
if(m_State == EnumWaitJoinControlChannel)
{
if(wChannelID == m_PrivateMBFTControlChannel)
{
bReturn = TRUE;
m_State = bSuccess ? EnumWaitAdmitDataChannelIndication :
EnumInitializationFailed;
// data channel admit indication may come earlier than this state change.
// look for unserviced channel admit indication
if (EnumWaitAdmitDataChannelIndication == m_State)
{
UINT_PTR chid_uid;
m_AdmittedChannelQueue.Reset();
while (0 != (chid_uid = m_AdmittedChannelQueue.Iterate()))
{
if (m_PrivateMBFTDataChannelList.Find(LOWORD(chid_uid)))
{
OnMCSChannelAdmitIndication(LOWORD(chid_uid), HIWORD(chid_uid));
m_AdmittedChannelQueue.Remove(chid_uid);
break;
}
}
}
}
}
else if(m_State == EnumWaitJoinDataChannel || m_State == EnumWaitRejoinDataChannel)
{
if(m_PrivateMBFTDataChannelList.Find(wChannelID))
{
bReturn = TRUE;
if(bSuccess)
{
m_JoinedToDataChannel = TRUE;
if(m_State == EnumWaitJoinDataChannel)
{
m_State = EnumWaitSendChannelResponsePDU;
}
else if(m_State == EnumWaitRejoinDataChannel)
{
TRACERECEIVE(" Rejoined Data Channel [%u]\n",wChannelID);
if(m_CurrentReceiveEvent)
{
SendFileAcceptPDU((unsigned)m_CurrentReceiveEvent->m_hFile);
m_CurrentReceiveEvent->m_State = EnumWaitFileStartPDU;
}
else
{
TRACE(" *** WARNING: Receive Event deleted before Data Channel was rejoined! ***\n");
}
//m_State = EnumWaitFileOfferPDU;
}
}
else
{
m_State = EnumInitializationFailed;
}
}
}
return(bReturn);
}
void MBFTPrivateReceive::UnInitialize
(
BOOL bIsShutDown
)
{
if(m_State != EnumWaitForTermination)
{
m_State = EnumWaitForTermination;
MBFTReceiveSubEvent * lpReceive;
m_ReceiveList.Reset();
while (NULL != (lpReceive = m_ReceiveList.Iterate()))
{
if(!lpReceive->m_UserAccepted)
{
lpReceive->m_lpFile->DeleteFile();
}
}
m_PrivateMBFTDataChannelList.Clear();
if(!bIsShutDown)
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostMessage(new DeleteSessionMsg(this));
if(!m_bEventEndPosted)
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostNotifyMessage(
new FileEventEndNotifyMsg(m_EventHandle));
m_bEventEndPosted = TRUE;
}
}
}
}
MBFTReceiveSubEvent::MBFTReceiveSubEvent
(
MBFTFILEHANDLE hFile,
LONG FileSize,
LPCSTR lpszFileName,
time_t FileDateTime,
T120UserID SenderID,
BOOL bIsBroadcast,
BOOL bIsCompressed,
BOOL bEOFAcknowledge
)
:
m_bIsBroadcast(bIsBroadcast),
m_hFile(MAKELONG(hFile,SenderID)),
m_FileSize(FileSize),
m_FileDateTime(FileDateTime),
m_TotalBytesReceived(0),
m_cbRecvLastNotify(0),
m_bFileCompressed(bIsCompressed),
m_bEOFAcknowledge(bEOFAcknowledge),
m_SenderID(SenderID),
m_lpFile(NULL),
m_UserAccepted(FALSE)
{
if(lpszFileName)
{
::lstrcpynA(m_szFileName,lpszFileName,sizeof(m_szFileName));
}
else
{
m_szFileName[0] = '\0';
}
m_szFileDirectory[0] = '\0';
m_State = (! bIsBroadcast) ? MBFTPrivateReceive::EnumWaitUserConfirmation :
MBFTPrivateReceive::EnumWaitFileStartPDU;
}
BOOL MBFTReceiveSubEvent::Init(void)
{
DBG_SAVE_FILE_LINE
m_lpFile = new CMBFTFile;
return(m_lpFile != NULL);
}
MBFTReceiveSubEvent::~MBFTReceiveSubEvent(void)
{
if(m_lpFile)
{
// if the file wasn't completely received, delete it
if (m_TotalBytesReceived < m_FileSize)
m_lpFile->Close(FALSE);
delete m_lpFile;
}
}
BOOL MBFTReceiveSubEvent::IsEqual
(
MBFTReceiveSubEvent *lpObject
)
{
BOOL bReturn = FALSE;
if(!lpObject->m_SenderID || !m_SenderID)
{
bReturn = (lpObject->m_hFile == (MBFTFILEHANDLE)MAKELONG(m_hFile, lpObject->m_SenderID));
}
else
{
bReturn = (lpObject->m_hFile == m_hFile) && (lpObject->m_SenderID == m_SenderID);
}
return(bReturn);
}
BOOL MBFTPrivateReceive::OnReceivedFileOfferPDU
(
T120ChannelID wChannelID,
T120Priority iPriority,
T120UserID SenderID,
T120NodeID NodeID,
LPFILEOFFERPDU lpFileOfferPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
MBFT_ERROR_CODE iErrorCode = iMBFT_OK;
MBFT_ERROR_TYPES iErrorType = MBFT_INFORMATIVE_ERROR;
if(wChannelID == m_PrivateMBFTControlChannel)
{
bReturn = TRUE;
if(m_State == EnumWaitFileOfferPDU)
{
// Sanity checking
DWORD res;
// Windows 95 can't take NULL pointers for these
DWORD SecPerCluster, BytePerSector, FreeCluster, TotalFreeCluster;
TCHAR szDirPath[MAX_PATH];
TCHAR szRootDirPath[MAX_PATH], *pszRootDir;
::GetRecvFolder(NULL, szDirPath);
res = GetFileAttributes(szDirPath);
if ((0xffffffff == res)||!(res | FILE_ATTRIBUTE_DIRECTORY))
{ // invalid directory name
iErrorCode = iMBFT_INVALID_PATH;
goto ERRORPROCESS;
}
pszRootDir = GetRootDirPath(szDirPath, szRootDirPath, MAX_PATH);
if (GetDiskFreeSpace(pszRootDir, &SecPerCluster,
&BytePerSector, &FreeCluster, &TotalFreeCluster))
{
if (!(BytePerSector && SecPerCluster))
{
WARNING_OUT(("BytePerSector %d, SecPerCluster %d\n", BytePerSector,
SecPerCluster));
}
else if ((ULONG)lpFileOfferPDU->GetFileSize()/BytePerSector/SecPerCluster + 1 > FreeCluster)
{ // not enough space to save the file
iErrorCode = iMBFT_DIRECTORY_FULL_ERROR;
goto ERRORPROCESS;
}
}
else
{
ERROR_OUT(("GetDiskSpace Failed, error %d\n", GetLastError()));
}
BOOL bAckRequired = lpFileOfferPDU->GetAcknowledge();
m_bOKToLeaveDataChannel = bAckRequired;
//Change compression handling later -- for now, we assume that a Proshare send is
//always compressed....
BOOL bEOFAcknowledge = FALSE;
CPeerList *pPeerList = m_lpParentEngine->GetPeerList();
CPeerData *lpPeer;
pPeerList->Reset();
while (NULL != (lpPeer = pPeerList->Iterate()))
{
if(lpPeer->GetUserID() == SenderID)
{
bEOFAcknowledge = lpPeer->GetEOFAcknowledge();
break;
}
}
DBG_SAVE_FILE_LINE
MBFTReceiveSubEvent * lpNewReceive = new MBFTReceiveSubEvent(lpFileOfferPDU->GetFileHandle(),
lpFileOfferPDU->GetFileSize(),
lpFileOfferPDU->GetFileName(),
lpFileOfferPDU->GetFileDateTime(),
SenderID,
!bAckRequired,
lpFileOfferPDU->GetCompressionFlags() & _MBFT_FILE_COMPRESSED,
bEOFAcknowledge);
if(lpNewReceive)
{
if(lpNewReceive->Init())
{
m_ReceiveList.Append(lpNewReceive);
// lonchanc: how can you use static char szTemp[] here???
char szRecvDir[MAX_PATH];
::GetRecvFolder(NULL, szRecvDir);
if(lpNewReceive->m_lpFile->Create(szRecvDir, lpNewReceive->m_szFileName))
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostNotifyMessage(
new FileOfferNotifyMsg(m_EventHandle,
SenderID,
NodeID,
lpNewReceive->m_hFile,
lpNewReceive->m_lpFile->GetFileName(),
lpNewReceive->m_FileSize,
lpNewReceive->m_FileDateTime,
bAckRequired));
}
else
{
iErrorCode = iMBFT_FILE_ACCESS_DENIED;
goto ERRORPROCESS;
}
}
else
{
delete lpNewReceive;
}
}
}
else if(m_State == EnumWaitChannelDisband)
{
SendFileRejectPDU(lpFileOfferPDU->GetFileHandle());
}
}
return(bReturn);
ERRORPROCESS:
ReportError(NULL,iErrorType,iErrorCode, TRUE, 0,
lpFileOfferPDU->GetFileName(),
lpFileOfferPDU->GetFileSize());
SendFileRejectPDU(lpFileOfferPDU->GetFileHandle());
return (bReturn);
}
BOOL MBFTPrivateReceive::OnReceivedFileStartPDU
(
T120ChannelID wChannelId,
T120Priority iPriority,
T120UserID SenderID,
LPFILESTARTPDU lpFileStartPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
MBFTReceiveSubEvent * lpReceiveEvent;
MBFT_ERROR_CODE iErrorCode = iMBFT_OK;
MBFT_ERROR_TYPES iErrorType = MBFT_INFORMATIVE_ERROR;
if (m_PrivateMBFTDataChannelList.Find(wChannelId))
{
if(m_State != EnumWaitForTermination && m_State != EnumWaitChannelDisband)
{
bReturn = TRUE;
MBFTReceiveSubEvent TempReceive(lpFileStartPDU->GetFileHandle(),0,NULL,0,SenderID,FALSE,m_bProshareTransfer,FALSE);
lpReceiveEvent = m_ReceiveList.FindEquiv(&TempReceive);
if(lpReceiveEvent)
{
if(lpReceiveEvent->m_State == EnumWaitFileStartPDU)
{
//Double check to make sure....
lpReceiveEvent->m_bFileCompressed = lpFileStartPDU->GetCompressionFlags() & _MBFT_FILE_COMPRESSED;
if(lpReceiveEvent->m_bFileCompressed)
{
// We don't handle compressed files
iErrorCode = iMBFT_MEMORY_ALLOCATION_ERROR;
}
BOOL bSuccess = FALSE;
int BytesWritten = 0;
if(lpReceiveEvent->m_bFileCompressed)
{
// We don't handle compressed files
iErrorCode = iMBFT_MEMORY_ALLOCATION_ERROR;
}
else
{
BytesWritten = lpFileStartPDU->GetDataSize();
if(BytesWritten)
{
if(!lpReceiveEvent->m_lpFile->Write(lpFileStartPDU->GetDataBuffer(),
lpFileStartPDU->GetDataSize()))
{
iErrorCode = (MBFT_ERROR_CODE)lpReceiveEvent->m_lpFile->GetLastErrorCode();
//iMBFT_FILE_IO_ERROR;
}
}
}
//lpReceiveEvent->m_TotalBytesReceived += BytesWritten;
lpReceiveEvent->m_TotalBytesReceived = lpReceiveEvent->m_lpFile->Seek(0L,CMBFTFile::SeekMode::SeekFromCurrent);
lpReceiveEvent->m_FileSize = lpFileStartPDU->GetFileSize();
if(iErrorCode == iMBFT_OK)
{
if(m_State != EnumWaitForTermination)
{
FileTransmitMsg *pFileTransmitMsg;
DBG_SAVE_FILE_LINE
pFileTransmitMsg = new FileTransmitMsg(
m_EventHandle,
lpReceiveEvent->m_hFile,
lpReceiveEvent->m_FileSize,
lpReceiveEvent->m_TotalBytesReceived,
iMBFT_FILE_RECEIVE_BEGIN,
lpReceiveEvent->m_SenderID,
lpReceiveEvent->m_bIsBroadcast);
if(NULL != pFileTransmitMsg)
{
m_lpParentEngine->SafePostNotifyMessage(pFileTransmitMsg);
}
else
{
ERROR_OUT(("Failed to allocate file transmit message"));
}
}
if(lpFileStartPDU->GetIsEOF())
{
lpReceiveEvent->m_lpFile->SetFileDateTime(lpReceiveEvent->m_FileDateTime);
lpReceiveEvent->m_lpFile->Close();
lpReceiveEvent->m_State = EnumWaitForTermination;
if(lpReceiveEvent->m_bEOFAcknowledge && m_JoinedToDataChannel)
{
SendFileEndAcknowledgePDU(lpReceiveEvent->m_hFile);
}
DeleteReceiveEvent(lpReceiveEvent,TRUE);
}
else
{
lpReceiveEvent->m_State = EnumWaitFileDataPDU;
}
}
}
} //lpReceiveEvent
} //m_State != EnumWaitForTermination
if(iErrorCode != iMBFT_OK)
{
BOOL bSendChannelLeave = lpReceiveEvent->m_bEOFAcknowledge;
ReportError(lpReceiveEvent,iErrorType,iErrorCode);
ReportReceiverError(lpReceiveEvent,iErrorType,iErrorCode);
lpReceiveEvent->m_lpFile->Close(FALSE);
DeleteReceiveEvent(lpReceiveEvent,TRUE);
if(m_bOKToLeaveDataChannel)
{
if(bSendChannelLeave && m_JoinedToDataChannel)
{
SendChannelLeavePDU();
}
LeaveDataChannel();
}
}
} //wChannelId == m_PrivateMBFTDataChannel
return(bReturn);
}
void MBFTPrivateReceive::ReportError
(
MBFTReceiveSubEvent *lpReceiveEvent,
int iErrorType,
int iErrorCode,
BOOL bIsLocalError,
T120UserID SenderID,
const char* pFileName,
ULONG lFileSize
)
{
if(m_State != EnumWaitForTermination)
{
MBFTMsg * lpNewMessage;
T120UserID id = SenderID ? SenderID : m_LocalMBFTUserID;
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostNotifyMessage(
new FileErrorMsg(m_EventHandle,
(lpReceiveEvent) ? lpReceiveEvent->m_hFile : 0, iErrorType,
iErrorCode,
bIsLocalError,
id,
(lpReceiveEvent) ? lpReceiveEvent->m_bIsBroadcast : 0,
pFileName, lFileSize));
}
else
{
TRACERECEIVE(" Waiting for termination, not reporting error");
}
}
void MBFTPrivateReceive::ReportReceiverError
(
MBFTReceiveSubEvent *lpReceive,
int iErrorType,
int iErrorCode,
MBFTFILEHANDLE iFileHandle
)
{
if(m_State != EnumWaitForTermination)
{
if(lpReceive)
{
DBG_SAVE_FILE_LINE
FileErrorPDU * lpNewPDU = new FileErrorPDU(iFileHandle ? iFileHandle : lpReceive->m_hFile,
iErrorType,iErrorCode);
if(lpNewPDU)
{
if(lpNewPDU->Encode())
{
m_lpParentEngine->SendDataRequest(m_MBFTControlSenderID,
APPLET_HIGH_PRIORITY,
(LPBYTE)lpNewPDU->GetBuffer(),
lpNewPDU->GetBufferLength());
}
delete lpNewPDU;
}
}
}
else
{
TRACERECEIVE(" Waiting for termination, not reporting receiver error");
}
}
void MBFTPrivateReceive::DeleteReceiveEvent
(
MBFTReceiveSubEvent *lpReceive,
BOOL bNotifyUser
)
{
if(lpReceive)
{
if(bNotifyUser)
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostNotifyMessage(
new FileTransmitMsg(m_EventHandle,
lpReceive->m_hFile,
lpReceive->m_FileSize,
lpReceive->m_TotalBytesReceived,
iMBFT_FILE_RECEIVE_END,
lpReceive->m_SenderID,
lpReceive->m_bIsBroadcast));
}
m_ReceiveList.Delete(lpReceive);
if(m_CurrentReceiveEvent == lpReceive)
{
m_CurrentReceiveEvent = NULL;
}
}
}
BOOL MBFTPrivateReceive::OnReceivedFileDataPDU
(
T120ChannelID wChannelId,
T120Priority iPriority,
T120UserID SenderID,
LPFILEDATAPDU lpNewPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
MBFTReceiveSubEvent * lpReceiveEvent;
MBFT_ERROR_CODE iErrorCode = iMBFT_OK;
MBFT_ERROR_TYPES iErrorType = MBFT_INFORMATIVE_ERROR;
BOOL bLocalError = TRUE;
if(m_PrivateMBFTDataChannelList.Find(wChannelId))
{
if(m_State != EnumWaitForTermination && m_State != EnumWaitChannelDisband)
{
bReturn = TRUE;
MBFTReceiveSubEvent TempReceive(lpNewPDU->GetFileHandle(),0,NULL,0,SenderID,FALSE,FALSE,FALSE);
lpReceiveEvent = m_ReceiveList.FindEquiv(&TempReceive);
if(lpReceiveEvent)
{
if(lpReceiveEvent->m_State == EnumWaitFileDataPDU)
{
MBFTMsg * lpNewMessage;
if(!lpNewPDU->GetIsAbort())
{
BOOL bSuccess = FALSE;
int BytesWritten = 0;
if(lpReceiveEvent->m_bFileCompressed)
{
// We don't handle compressed files
iErrorCode = iMBFT_MEMORY_ALLOCATION_ERROR;
}
else
{
BytesWritten = lpNewPDU->GetDataSize();
if(BytesWritten)
{
if(!lpReceiveEvent->m_lpFile->Write(lpNewPDU->GetDataBuffer(),
lpNewPDU->GetDataSize()))
{
iErrorCode = (MBFT_ERROR_CODE) lpReceiveEvent->m_lpFile->GetLastErrorCode();
//iMBFT_FILE_IO_ERROR;
}
}
}
//lpReceiveEvent->m_TotalBytesReceived += BytesWritten;
lpReceiveEvent->m_TotalBytesReceived = lpReceiveEvent->m_lpFile->Seek(0L,CMBFTFile::SeekMode::SeekFromCurrent);
if(m_State != EnumWaitForTermination)
{
ASSERT(lpReceiveEvent->m_TotalBytesReceived >= lpReceiveEvent->m_cbRecvLastNotify);
ULONG nNotifyDelta = lpReceiveEvent->m_TotalBytesReceived - lpReceiveEvent->m_cbRecvLastNotify;
ULONG nNotifyThreshold = lpReceiveEvent->m_FileSize / 100; // 1%
if (nNotifyDelta >= nNotifyThreshold ||
lpReceiveEvent->m_TotalBytesReceived >= lpReceiveEvent->m_FileSize)
{
DBG_SAVE_FILE_LINE
if (S_OK == m_lpParentEngine->SafePostNotifyMessage(
new FileTransmitMsg(m_EventHandle,
lpReceiveEvent->m_hFile,
lpReceiveEvent->m_FileSize,
lpReceiveEvent->m_TotalBytesReceived,
iMBFT_FILE_RECEIVE_PROGRESS,
lpReceiveEvent->m_SenderID,
lpReceiveEvent->m_bIsBroadcast)))
{
lpReceiveEvent->m_cbRecvLastNotify = lpReceiveEvent->m_TotalBytesReceived;
}
}
}
if(iErrorCode == iMBFT_OK)
{
if(lpNewPDU->GetIsEOF())
{
lpReceiveEvent->m_lpFile->SetFileDateTime(lpReceiveEvent->m_FileDateTime);
lpReceiveEvent->m_lpFile->Close();
lpReceiveEvent->m_State = EnumWaitForTermination;
if(lpReceiveEvent->m_bEOFAcknowledge && m_JoinedToDataChannel)
{
SendFileEndAcknowledgePDU(lpReceiveEvent->m_hFile);
}
DeleteReceiveEvent(lpReceiveEvent,TRUE);
}
}
}
else
{
ReportError(lpReceiveEvent,MBFT_INFORMATIVE_ERROR,iMBFT_SENDER_ABORTED,
FALSE,SenderID);
if(!lpReceiveEvent->m_bFileCompressed)
{
lpReceiveEvent->m_lpFile->Write(lpNewPDU->GetDataBuffer(),
lpNewPDU->GetDataSize());
}
else
{
// We don't handle compressed files
iErrorCode = iMBFT_MEMORY_ALLOCATION_ERROR;
}
lpReceiveEvent->m_lpFile->Close(FALSE);
lpReceiveEvent->m_State = EnumWaitForTermination;
DeleteReceiveEvent(lpReceiveEvent,TRUE);
}
}
} //lpReceiveEvent
} //m_State != EnumWaitForTermination
if(iErrorCode != iMBFT_OK)
{
T120UserID id = bLocalError ? m_LocalMBFTUserID : SenderID;
ReportError(lpReceiveEvent, iErrorType, iErrorCode, bLocalError, id);
if(bLocalError)
{
ReportReceiverError(lpReceiveEvent,iErrorType,iErrorCode);
}
if(m_bOKToLeaveDataChannel)
{
if(lpReceiveEvent->m_bEOFAcknowledge && m_JoinedToDataChannel)
{
SendChannelLeavePDU();
}
LeaveDataChannel();
}
DeleteReceiveEvent(lpReceiveEvent,TRUE);
}
} //wChannelId == m_PrivateMBFTDataChannel
return(bReturn);
}
int MBFTPrivateReceive::DecompressAndWrite
(
MBFTReceiveSubEvent *lpReceiveEvent,
LPCSTR lpBuffer,
LONG BufferLength,
LPINT lpDecompressedSize
)
{
return(iMBFT_MEMORY_ALLOCATION_ERROR);
}
BOOL MBFTPrivateReceive::OnReceivedFileErrorPDU
(
T120ChannelID wChannelId,
T120Priority iPriority,
T120UserID SenderID,
LPFILEERRORPDU lpNewPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
MBFTReceiveSubEvent TempReceive(lpNewPDU->GetFileHandle(),0,NULL,0,SenderID,FALSE,FALSE,FALSE);
MBFTReceiveSubEvent *lpReceiveEvent = m_ReceiveList.FindEquiv(&TempReceive);
if(lpReceiveEvent)
{
bReturn = TRUE;
ReportError(lpReceiveEvent,lpNewPDU->GetErrorType(),
lpNewPDU->GetErrorCode(),
FALSE,SenderID);
}
else if(m_bProshareTransfer && m_ProshareSenderID == SenderID &&
lpNewPDU->GetFileHandle() == LOWORD(_iMBFT_PROSHARE_ALL_FILES))
{
ReportError(&TempReceive,lpNewPDU->GetErrorType(),
lpNewPDU->GetErrorCode(),
FALSE,SenderID);
bReturn = TRUE;
}
return(bReturn);
}
void MBFTPrivateReceive::DoStateMachine(void)
{
switch(m_State)
{
case EnumWaitSendChannelResponsePDU:
SendChannelResponsePDU();
break;
case EnumWaitSendFileAcceptPDU:
SendFileAcceptPDU();
break;
case EnumWaitSendFileRejectPDU:
SendFileRejectPDU();
break;
case EnumWaitSendFileEndAcknowledgePDU:
SendFileEndAcknowledgePDU();
break;
case EnumWaitSendChannelLeavePDU:
SendChannelLeavePDU();
break;
// caseEnumInitializationFailed:
default:
break;
}
}
BOOL MBFTPrivateReceive::OnMCSChannelAdmitIndication
(
T120ChannelID wChannelId,
T120UserID ManagerID
)
{
BOOL fHandled = FALSE;
//
// More data channels
//
if(m_State == EnumWaitFileOfferPDU)
{
if(m_MBFTDataSenderID == ManagerID)
{
//
// Add the data channel to the list
//
m_PrivateMBFTDataChannelList.Append(wChannelId);
T120ChannelID oldChannel = m_PrivateMBFTDataChannel;
m_PrivateMBFTDataChannel = wChannelId;
JoinDataChannel();
m_PrivateMBFTDataChannel = oldChannel;
fHandled = TRUE;
}
}
else
if(m_State == EnumWaitAdmitControlChannel)
{
if(m_PrivateMBFTControlChannel == wChannelId)
{
m_MBFTControlSenderID = ManagerID;
JoinControlChannel();
fHandled = TRUE;
}
}
else if(m_State == EnumWaitAdmitDataChannelIndication)
{
if (m_PrivateMBFTDataChannelList.Find(wChannelId))
{
m_MBFTDataSenderID = ManagerID;
T120ChannelID oldChannel = m_PrivateMBFTDataChannel;
m_PrivateMBFTDataChannel = wChannelId;
JoinDataChannel();
m_PrivateMBFTDataChannel = oldChannel;
fHandled = TRUE;
}
}
if (! fHandled)
{
UINT chid_uid = MAKELONG(wChannelId, ManagerID);
m_AdmittedChannelQueue.Append(chid_uid);
}
return fHandled;
}
BOOL MBFTPrivateReceive::OnMCSChannelExpelIndication
(
T120ChannelID wChannelId,
Reason iReason
)
{
BOOL bReturn = FALSE;
if(/*(wChannelId == m_PrivateMBFTControlChannel) ||*/
m_PrivateMBFTDataChannelList.Find(wChannelId))
{
TRACERECEIVE(" Channel [%u] disbanded, terminating receive session\n",wChannelId);
//Added by Atul to fix this problem:
//If the sender aborts all files, or the send is aborted when the
//last file is being sent, the sender sends a FileDataPDU with the
///AbortFlag set to TRUE and proceeds to disband the channel. However,
//on account of a MCS bug, the receiver never sees the PDU (sic).
//Therefore, when we receive a channel expel indication, we check to
//see if we were receiving a file and post a iMBFT_SENDER_ABORTED if necessary...
if(m_CurrentReceiveEvent /* && m_bProshareTransfer */ )
{
if(m_CurrentReceiveEvent->m_State == EnumWaitFileDataPDU ||
m_CurrentReceiveEvent->m_State == EnumWaitFileStartPDU)
{
TRACE(" Unexpected channel disband encountered, posting SENDER_ABORTED message\n");
ReportError(m_CurrentReceiveEvent,MBFT_INFORMATIVE_ERROR,iMBFT_SENDER_ABORTED,
FALSE,m_ProshareSenderID);
m_CurrentReceiveEvent->m_lpFile->Close(FALSE);
m_CurrentReceiveEvent->m_State = EnumWaitForTermination;
DeleteReceiveEvent(m_CurrentReceiveEvent,TRUE);
}
}
UnInitialize();
bReturn = TRUE;
}
m_AdmittedChannelQueue.RemoveByChannelID(wChannelId);
return(bReturn);
}
void MBFTPrivateReceive::SendChannelResponsePDU(void)
{
if(m_PrivateMBFTControlChannel >= MIN_ASNDynamicChannelID &&
m_PrivateMBFTControlChannel <= MAX_ASNDynamicChannelID)
{
T127_PRIVATE_CHANNEL_RESPONSE ChannelJoinResponsePDU;
ChannelJoinResponsePDU.pduType = T127_PRIVATE_CHANNEL_JOIN_RESPONSE;
ChannelJoinResponsePDU.ControlChannel = SWAPWORD(m_PrivateMBFTControlChannel - MIN_ASNDynamicChannelID);
ChannelJoinResponsePDU.Response = (ASNPrivate_Channel_Join_ResponsePDU_result_successful << 5);
// if the Mode is FALSE we should use ASNinvitation_rejected
if(m_lpParentEngine->SendDataRequest(m_MBFTControlSenderID,
APPLET_HIGH_PRIORITY,
(LPBYTE)&ChannelJoinResponsePDU,
4))
{
TRACERECEIVE(" Sent Channel response PDU on [%u]\n",m_MBFTControlSenderID);
m_State = EnumWaitFileOfferPDU;
}
}
else
{
TRACE(" Receive: Fatal Encoding Failure\n");
m_State = EnumInitializationFailed;
//Encoding failed....
}
}
BOOL MBFTPrivateReceive::SendFileAcceptPDU
(
MBFTFILEHANDLE iFileHandle
)
{
m_State = EnumWaitSendFileAcceptPDU;
if(iFileHandle)
{
m_CurrentAcceptHandle = iFileHandle;
}
BOOL bReturn = FALSE;
DBG_SAVE_FILE_LINE
LPFILEACCEPTPDU lpNewPDU = new FileAcceptPDU(m_CurrentAcceptHandle);
if(lpNewPDU)
{
if(lpNewPDU->Encode())
{
if(m_lpParentEngine->SendDataRequest(m_MBFTControlSenderID,
APPLET_HIGH_PRIORITY,
(LPBYTE)lpNewPDU->GetBuffer(),
lpNewPDU->GetBufferLength()))
{
bReturn = TRUE;
TRACERECEIVE(" Sent file accept PDU on [%u]\n",m_MBFTControlSenderID);
m_State = EnumWaitFileOfferPDU;
}
}
else
{
ReportError(m_CurrentReceiveEvent,MBFT_PERMANENT_ERROR,iMBFT_ASN1_ENCODING_ERROR);
}
delete lpNewPDU;
}
return(bReturn);
}
void MBFTPrivateReceive::OnControlNotification
(
MBFTFILEHANDLE hFile,
FileTransferControlMsg::FileTransferControl iControlCommand,
LPCSTR lpszDirectory,
LPCSTR lpszFileName
)
{
MBFTReceiveSubEvent * lpReceiveEvent = NULL;
MBFTFILEHANDLE iFileHandle;
BOOL bAbortHack = FALSE;
if(m_State != EnumWaitChannelDisband && m_State != EnumWaitForTermination)
{
MBFTReceiveSubEvent TempReceive(hFile,0,NULL,0,0,FALSE,FALSE,FALSE);
lpReceiveEvent = m_ReceiveList.FindEquiv(&TempReceive);
if(lpReceiveEvent)
{
iFileHandle = (MBFTFILEHANDLE)lpReceiveEvent->m_hFile;
if(iControlCommand == FileTransferControlMsg::EnumAcceptFile)
{
if(lpReceiveEvent->m_State == EnumWaitUserConfirmation)
{
::lstrcpynA(lpReceiveEvent->m_szFileDirectory,lpszDirectory,
sizeof(lpReceiveEvent->m_szFileDirectory));
int Length = ::lstrlenA(lpReceiveEvent->m_szFileDirectory);
if(Length >= 3)
{
PCHAR pch = SzFindLastCh(lpReceiveEvent->m_szFileDirectory, '\\');
if ('\0' == *(pch+1))
{
lpReceiveEvent->m_szFileDirectory[Length - 1] = '\0';
}
}
if (::lstrlenA(lpszFileName))
{
::lstrcpynA(lpReceiveEvent->m_szFileName, lpszFileName, sizeof(lpReceiveEvent->m_szFileName));
}
TRACERECEIVE(" File accept notification for [%u]\n",iFileHandle);
lpReceiveEvent->m_UserAccepted = TRUE;
m_CurrentReceiveEvent = lpReceiveEvent;
if(m_JoinedToDataChannel)
{
SendFileAcceptPDU(iFileHandle);
lpReceiveEvent->m_State = EnumWaitFileStartPDU;
}
else
{
m_State = EnumWaitRejoinDataChannel;
//m_CurrentReceiveEvent = lpReceiveEvent;
JoinDataChannel();
}
}
}
else if(iControlCommand == FileTransferControlMsg::EnumRejectFile)
{
if((lpReceiveEvent->m_State == EnumWaitUserConfirmation) ||
(lpReceiveEvent->m_bIsBroadcast && lpReceiveEvent->m_State == EnumWaitFileStartPDU))
{
if(hFile == _iMBFT_PROSHARE_ALL_FILES)
{
iFileHandle = LOWORD(_iMBFT_PROSHARE_ALL_FILES);
}
TRACERECEIVE(" Rejecting file [%u]\n",lpReceiveEvent->m_hFile);
if(m_bOKToLeaveDataChannel)
{
LeaveDataChannel();
}
SendFileRejectPDU(iFileHandle);
if(hFile == _iMBFT_PROSHARE_ALL_FILES)
{
TerminateReceiveSession();
}
else
{
DeleteReceiveEvent(lpReceiveEvent,FALSE);
}
}
}
else if(iControlCommand == FileTransferControlMsg::EnumAbortFile)
{
if(hFile == _iMBFT_PROSHARE_ALL_FILES)
{
iFileHandle = LOWORD(_iMBFT_PROSHARE_ALL_FILES);
}
if((lpReceiveEvent->m_State == EnumWaitFileDataPDU) ||
(lpReceiveEvent->m_State == EnumWaitFileStartPDU) ||
(hFile == _iMBFT_PROSHARE_ALL_FILES))
{
TRACERECEIVE(" Aborting file [%u]\n",iFileHandle);
if(lpReceiveEvent->m_State == MBFTPrivateReceive::EnumWaitUserConfirmation)
{
TRACERECEIVE(" Rejecting file [%u]\n",lpReceiveEvent->m_hFile);
SendFileRejectPDU(iFileHandle);
}
else
{
if(hFile == _iMBFT_PROSHARE_ALL_FILES)
{
//If the AbortHack flag is set, we are on a sticky wicket.
//We have already aborted the current file and are waiting
//for another file offer. Therefore we don't inform the sender
//about this one...
if(!bAbortHack)
{
ReportReceiverError(lpReceiveEvent,
MBFT_PERMANENT_ERROR,
iMBFT_RECEIVER_ABORTED,
iFileHandle);
}
}
else
{
ReportReceiverError(lpReceiveEvent,
MBFT_PERMANENT_ERROR,
iMBFT_RECEIVER_ABORTED);
}
}
ReportError(lpReceiveEvent,MBFT_INFORMATIVE_ERROR,iMBFT_RECEIVER_ABORTED);
if(m_bOKToLeaveDataChannel)
{
if(lpReceiveEvent->m_bEOFAcknowledge && m_JoinedToDataChannel)
{
SendChannelLeavePDU();
}
LeaveDataChannel();
}
if(hFile != _iMBFT_PROSHARE_ALL_FILES)
{
DeleteNotificationMessages(iMBFT_FILE_RECEIVE_PROGRESS);
lpReceiveEvent->m_lpFile->Close(FALSE);
// lpReceiveEvent->m_lpFile->DeleteFile();
DeleteReceiveEvent(lpReceiveEvent,TRUE);
}
else if(m_CurrentReceiveEvent)
{
m_CurrentReceiveEvent->m_lpFile->Close(FALSE);
// m_CurrentReceiveEvent->m_lpFile->DeleteFile();
DeleteReceiveEvent(m_CurrentReceiveEvent,TRUE);
}
}
if(hFile == _iMBFT_PROSHARE_ALL_FILES)
{
DeleteNotificationMessages(iMBFT_FILE_RECEIVE_PROGRESS);
DeleteNotificationMessages(iMBFT_FILE_OFFER);
TerminateReceiveSession();
}
}
}
}
}
void MBFTPrivateReceive::DeleteNotificationMessages
(
MBFT_NOTIFICATION iNotificationType
)
{
#if 0 // lonchanc: no way we can delete notify messages which are already in the queue
MBFTMsg * lpNewMessage;
CMsgQueue *pNotifyMsgList = m_lpParentEngine->GetNotificationMsgList();
CMsgQueue DeleteList;
pNotifyMsgList->Reset();
while (NULL != (lpNewMessage = pNotifyMsgList->Iterate()))
{
switch (lpNewMessage->GetMsgType())
{
case EnumFileTransmitMsg:
{
FileTransmitMsg *lpFileMsg = (FileTransmitMsg *)lpNewMessage;
if(lpFileMsg->m_EventHandle == m_EventHandle)
{
if(iNotificationType == lpFileMsg->m_TransmitStatus)
{
TRACERECEIVE(" NUKING Notification [%x] from Event [%ld], Handle: [%ld] FileSize: [%ld], Bytes Xfered[%ld]\n",
lpFileMsg->m_TransmitStatus,lpFileMsg->m_EventHandle,
lpFileMsg->m_hFile,
lpFileMsg->m_FileSize,
lpFileMsg->m_BytesTransmitted);
DeleteList.Append(lpNewMessage);
}
}
}
break;
case EnumFileOfferNotifyMsg:
{
FileOfferNotifyMsg *lpFileOfferMsg = (FileOfferNotifyMsg *)lpNewMessage;
if(lpFileOfferMsg->m_EventHandle == m_EventHandle)
{
if(iNotificationType == iMBFT_FILE_OFFER)
{
TRACERECEIVE(" NUKING File Offer Notification for [%s], Event: [%ld], Size: [%ld], Handle [%Fp]\n",
lpFileOfferMsg->m_szFileName,lpFileOfferMsg->m_EventHandle,
lpFileOfferMsg->m_FileSize,lpFileOfferMsg->m_hFile);
DeleteList.Append(lpNewMessage);
}
}
}
break;
default:
ASSERT(0);
break;
} // switch
} //for loop
// remove handled messages
pNotifyMsgList->DeleteSubset(&DeleteList);
#endif // 0
}
void MBFTPrivateReceive::SendFileRejectPDU
(
MBFTFILEHANDLE iFileHandle
)
{
if(m_State != EnumWaitSendFileRejectPDU)
{
m_PreviousRejectState = m_State;
m_State = EnumWaitSendFileRejectPDU;
}
if(iFileHandle)
{
m_CurrentRejectHandle = iFileHandle;
}
FileRejectPDU * lpNewPDU = NULL;
DBG_SAVE_FILE_LINE
lpNewPDU = new FileRejectPDU(m_CurrentRejectHandle);
if(lpNewPDU)
{
if(lpNewPDU->Encode())
{
if(m_lpParentEngine->SendDataRequest(m_MBFTControlSenderID,
APPLET_HIGH_PRIORITY,
(LPBYTE)lpNewPDU->GetBuffer(),
lpNewPDU->GetBufferLength()))
{
m_State = (m_PreviousRejectState != EnumWaitChannelDisband) ?
EnumWaitFileOfferPDU : EnumWaitChannelDisband;
}
}
else
{
ReportError(m_CurrentReceiveEvent,MBFT_PERMANENT_ERROR,iMBFT_ASN1_ENCODING_ERROR);
}
}
delete lpNewPDU;
}
void MBFTPrivateReceive::SendFileEndAcknowledgePDU
(
MBFTFILEHANDLE iFileHandle
)
{
if(iFileHandle)
{
m_CurrentFileEndHandle = LOWORD(iFileHandle);
}
m_State = EnumWaitSendFileEndAcknowledgePDU;
DBG_SAVE_FILE_LINE
FileEndAcknowledgeStruct * lpNewStruct = new FileEndAcknowledgeStruct;
lpNewStruct->m_FileHandle = m_CurrentFileEndHandle;
DBG_SAVE_FILE_LINE
NonStandardPDU * lpNewPDU = new NonStandardPDU(NULL,
PROSHARE_FILE_END_STRING,
lpNewStruct,
sizeof(FileEndAcknowledgeStruct));
if(lpNewPDU)
{
if(lpNewPDU->Encode())
{
if(m_lpParentEngine->SendDataRequest(m_PrivateMBFTControlChannel,
APPLET_HIGH_PRIORITY,
(LPBYTE)lpNewPDU->GetBuffer(),
lpNewPDU->GetBufferLength()))
{
TRACERECEIVE( " Sent FileEndAcknowledgePDU for [%u] on [%u]\n",m_CurrentFileEndHandle,m_PrivateMBFTControlChannel);
m_State = EnumWaitFileOfferPDU;
}
}
else
{
ReportError(m_CurrentReceiveEvent,MBFT_PERMANENT_ERROR,iMBFT_ASN1_ENCODING_ERROR);
}
delete lpNewPDU;
}
delete lpNewStruct;
}
void MBFTPrivateReceive::SendChannelLeavePDU(void)
{
m_State = EnumWaitSendChannelLeavePDU;
DBG_SAVE_FILE_LINE
ChannelLeaveStruct * lpNewStruct = new ChannelLeaveStruct;
lpNewStruct->m_ChannelID = m_PrivateMBFTDataChannel;
lpNewStruct->m_ErrorCode = iMBFT_RECEIVER_ABORTED;
DBG_SAVE_FILE_LINE
NonStandardPDU * lpNewPDU = new NonStandardPDU(NULL,
PROSHARE_CHANNEL_LEAVE_STRING,
lpNewStruct,
sizeof(ChannelLeaveStruct));
if(lpNewPDU)
{
if(lpNewPDU->Encode())
{
if(m_lpParentEngine->SendDataRequest(m_PrivateMBFTControlChannel,
APPLET_HIGH_PRIORITY,
(LPBYTE)lpNewPDU->GetBuffer(),
lpNewPDU->GetBufferLength()))
{
TRACERECEIVE( " Sent ChannelLeavePDU for [%u] on [%u]\n",m_PrivateMBFTDataChannel,m_PrivateMBFTControlChannel);
m_State = EnumWaitFileOfferPDU;
}
}
else
{
ReportError(m_CurrentReceiveEvent,MBFT_PERMANENT_ERROR,iMBFT_ASN1_ENCODING_ERROR);
}
delete lpNewPDU;
}
delete lpNewStruct;
}
void MBFTPrivateReceive::LeaveDataChannel(void)
{
if(m_JoinedToDataChannel)
{
if(m_lpParentEngine->MCSChannelLeaveRequest(m_PrivateMBFTDataChannel))
{
TRACERECEIVE(" Left data channel\n");
m_JoinedToDataChannel = FALSE;
}
}
}
void MBFTPrivateReceive::TerminateReceiveSession(void)
{
//if(m_lpParentEngine->MCSChannelLeaveRequest(m_PrivateMBFTControlChannel))
//{
//TRACERECEIVE(" Left control channel\n");
//}
//Keep the clients happy....
if(!m_bEventEndPosted)
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostNotifyMessage(new FileEventEndNotifyMsg(m_EventHandle));
m_bEventEndPosted = TRUE;
}
LeaveDataChannel();
m_State = EnumWaitChannelDisband;
//UnInitialize();
}
void MBFTPrivateReceive::OnPeerDeletedNotification
(
CPeerData *lpPeerData
)
{
if(m_bProshareTransfer)
{
if(m_ProshareSenderID == lpPeerData->GetUserID())
{
if(m_CurrentReceiveEvent)
{
if((m_CurrentReceiveEvent->m_State == EnumWaitFileDataPDU) ||
(m_CurrentReceiveEvent->m_State == EnumWaitFileStartPDU))
{
ReportError(m_CurrentReceiveEvent,MBFT_INFORMATIVE_ERROR,iMBFT_SENDER_ABORTED,
FALSE,m_ProshareSenderID);
m_CurrentReceiveEvent->m_lpFile->Close(FALSE);
m_CurrentReceiveEvent->m_State = EnumWaitForTermination;
DeleteReceiveEvent(m_CurrentReceiveEvent,TRUE);
}
}
DeleteNotificationMessages(iMBFT_FILE_RECEIVE_PROGRESS);
DeleteNotificationMessages(iMBFT_FILE_OFFER);
TerminateReceiveSession();
}
}
}
#ifdef USE_BROADCAST_RECEIVE
MBFTBroadcastReceive::MBFTBroadcastReceive
(
LPMBFTENGINE lpParentEngine,
MBFTEVENTHANDLE EventHandle,
T120ChannelID wControlChannel,
T120ChannelID wDataChannel,
T120UserID SenderID,
MBFTFILEHANDLE FileHandle
)
:
MBFTPrivateReceive(lpParentEngine, EventHandle, wControlChannel, wDataChannel),
m_SenderID(SenderID),
m_FileHandle(FileHandle)
{
m_MBFTControlSenderID = m_SenderID;
m_State = MBFTPrivateReceive::EnumWaitFileOfferPDU;
}
BOOL MBFTBroadcastReceive::OnReceivedFileOfferPDU
(
T120ChannelID wChannelId,
T120Priority iPriority,
T120UserID SenderID,
T120NodeID NodeID,
LPFILEOFFERPDU lpNewPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
if(m_State == MBFTPrivateReceive::EnumWaitFileOfferPDU)
{
bReturn = (wChannelId == m_PrivateMBFTControlChannel) &&
(lpNewPDU->GetFileHandle() == m_FileHandle) &&
(SenderID == m_SenderID);
if(bReturn)
{
MBFTPrivateReceive::OnReceivedFileOfferPDU(wChannelId,
iPriority,
SenderID,
NodeID,
lpNewPDU,
IsUniformSendData);
m_CurrentReceiveEvent = m_ReceiveList.PeekHead();
if(m_CurrentReceiveEvent)
{
::lstrcpyA(m_CurrentReceiveEvent->m_szFileName,lpNewPDU->GetFileName());
if(!lpNewPDU->GetAcknowledge())
{
m_State = m_CurrentReceiveEvent->m_State = MBFTPrivateReceive::EnumWaitFileStartPDU;
}
else
{
m_State = m_CurrentReceiveEvent->m_State = MBFTPrivateReceive::EnumWaitUserConfirmation;
}
}
else
{
UnInitialize();
//m_State = MBFTPrivateReceive::EnumWaitForTermination;
}
}
}
return(bReturn);
}
BOOL MBFTBroadcastReceive::OnMCSChannelJoinConfirm
(
T120ChannelID wChannelId,
BOOL bSuccess
)
{
BOOL bReturn = FALSE;
if(m_State == MBFTPrivateReceive::EnumWaitJoinDataChannel &&
m_PrivateMBFTDataChannelList.Find(wChannelId))
{
bReturn = TRUE;
m_JoinedToDataChannel = TRUE;
if(bSuccess && m_CurrentReceiveEvent)
{
m_State = MBFTPrivateReceive::EnumWaitSendFileAcceptPDU;
}
else
{
//m_State = MBFTPrivateReceive::EnumWaitForTermination;
LeaveDataChannel();
UnInitialize();
}
}
return(bReturn);
}
BOOL MBFTBroadcastReceive::OnReceivedFileStartPDU
(
T120ChannelID wChannelId,
T120Priority iPriority,
T120UserID SenderID,
LPFILESTARTPDU lpFileStartPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
if(m_State == MBFTPrivateReceive::EnumWaitFileStartPDU && m_CurrentReceiveEvent)
{
bReturn = m_PrivateMBFTDataChannelList.Find(wChannelId) &&
(lpFileStartPDU->GetFileHandle() == m_FileHandle) &&
(SenderID == m_SenderID);
if(bReturn)
{
if(!lstrlen(m_CurrentReceiveEvent->m_szFileName))
{
lstrcpy(m_CurrentReceiveEvent->m_szFileName,lpFileStartPDU->GetFileName());
}
if(!lstrlen(m_CurrentReceiveEvent->m_szFileDirectory))
{
lstrcpy(m_CurrentReceiveEvent->m_szFileDirectory,m_CurrentReceiveEvent->m_lpFile->GetTempDirectory());
}
MBFTPrivateReceive::OnReceivedFileStartPDU(wChannelId,
iPriority,
SenderID,
lpFileStartPDU,
IsUniformSendData);
//Assumption: m_CurrentReceiveEvent == NULL indicates an error.
if(!m_CurrentReceiveEvent || lpFileStartPDU->GetIsEOF())
{
//m_State = MBFTPrivateReceive::EnumWaitForTermination;
UnInitialize();
}
else
{
m_State = m_CurrentReceiveEvent->m_State = MBFTPrivateReceive::EnumWaitFileDataPDU;
}
}
}
return(bReturn);
}
BOOL MBFTBroadcastReceive::OnReceivedFileDataPDU
(
T120ChannelID wChannelId,
T120Priority iPriority,
T120UserID SenderID,
LPFILEDATAPDU lpNewPDU,
BOOL IsUniformSendData
)
{
BOOL bReturn = FALSE;
if(m_State == MBFTPrivateReceive::EnumWaitFileDataPDU && m_CurrentReceiveEvent)
{
bReturn = m_PrivateMBFTDataChannelList.Find(wChannelId) &&
(lpNewPDU->GetFileHandle() == m_FileHandle) &&
(SenderID == m_SenderID);
if(bReturn)
{
MBFTPrivateReceive::OnReceivedFileDataPDU(wChannelId,
iPriority,
SenderID,
lpNewPDU,
IsUniformSendData);
if(!m_CurrentReceiveEvent || lpNewPDU->GetIsEOF())
{
//m_State = MBFTPrivateReceive::EnumWaitForTermination;
//LeaveDataChannel();
UnInitialize();
}
}
}
return(bReturn);
}
void MBFTBroadcastReceive::UnInitialize
(
BOOL bIsShutDown
)
{
if(m_State != EnumWaitForTermination)
{
m_State = EnumWaitForTermination;
if(!bIsShutDown)
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostMessage(new DeleteSessionMsg(this));
if(!m_bEventEndPosted)
{
DBG_SAVE_FILE_LINE
m_lpParentEngine->SafePostNotifyMessage(new FileEventEndNotifyMsg(m_EventHandle));
m_bEventEndPosted = TRUE;
}
}
}
}
void MBFTBroadcastReceive::DoStateMachine(void)
{
if(m_State == MBFTPrivateReceive::EnumWaitSendFileAcceptPDU)
{
if(m_CurrentReceiveEvent)
{
if(SendFileAcceptPDU(m_FileHandle))
{
m_State = m_CurrentReceiveEvent->m_State = MBFTPrivateReceive::EnumWaitFileStartPDU;
}
}
else
{
//m_State = MBFTPrivateReceive::EnumWaitForTermination;
UnInitialize();
}
}
}
void MBFTBroadcastReceive::OnControlNotification
(
MBFTFILEHANDLE hFile,
FileTransferControlMsg::FileTransferControl iControlCommand,
LPCSTR lpszDirectory,
LPCSTR lpszFileName
)
{
if(m_State != MBFTPrivateReceive::EnumWaitForTermination)
{
if(m_CurrentReceiveEvent)
{
MBFTFILEHANDLE iFileHandle = (MBFTFILEHANDLE) m_CurrentReceiveEvent->m_hFile;
if(iControlCommand == FileTransferControlMsg::EnumAcceptFile)
{
if(m_CurrentReceiveEvent->m_State == MBFTPrivateReceive::EnumWaitUserConfirmation)
{
::lstrcpynA(m_CurrentReceiveEvent->m_szFileDirectory,lpszDirectory,
sizeof(m_CurrentReceiveEvent->m_szFileDirectory));
int Length = ::lstrlenA(m_CurrentReceiveEvent->m_szFileDirectory);
if(Length >= 3)
{
PCHAR pch = SzFindLastCh(m_CurrentReceiveEvent->m_szFileDirectory, '\\');
if ('\0' == *(pch+1))
{
m_CurrentReceiveEvent->m_szFileDirectory[Length - 1] = '\0';
}
}
if (::lstrlenA(lpszFileName))
{
::lstrcpynA(m_CurrentReceiveEvent->m_szFileName, lpszFileName, sizeof(m_CurrentReceiveEvent->m_szFileName));
}
TRACERECEIVE(" File accept notification for [%u]\n",iFileHandle);
m_CurrentReceiveEvent->m_UserAccepted = TRUE;
JoinDataChannel();
m_State = MBFTPrivateReceive::EnumWaitJoinDataChannel;
}
}
#if 0
else if(iControlCommand == FileTransferControlMsg::EnumRejectFile)
{
if((m_CurrentReceiveEvent->m_State == MBFTPrivateReceive::EnumWaitUserConfirmation))
{
LeaveDataChannel();
SendFileRejectPDU(iFileHandle);
DeleteReceiveEvent(m_CurrentReceiveEvent,FALSE);
UnInitialize();
}
}
#endif
else if((iControlCommand == FileTransferControlMsg::EnumAbortFile)
|| (iControlCommand == FileTransferControlMsg::EnumRejectFile))
{
if((m_CurrentReceiveEvent->m_State == MBFTPrivateReceive::EnumWaitFileDataPDU) ||
(m_CurrentReceiveEvent->m_State == MBFTPrivateReceive::EnumWaitFileStartPDU) ||
(m_CurrentReceiveEvent->m_State == EnumWaitUserConfirmation))
{
TRACERECEIVE(" Aborting file [%u]\n",iFileHandle);
if(m_CurrentReceiveEvent->m_State == MBFTPrivateReceive::EnumWaitUserConfirmation)
{
//LeaveDataChannel();
SendFileRejectPDU(iFileHandle);
//DeleteReceiveEvent(m_CurrentReceiveEvent,FALSE);
//UnInitialize();
}
else
{
ReportReceiverError(m_CurrentReceiveEvent,
MBFT_PERMANENT_ERROR,
iMBFT_RECEIVER_ABORTED);
}
ReportError(m_CurrentReceiveEvent,MBFT_INFORMATIVE_ERROR,iMBFT_RECEIVER_ABORTED);
LeaveDataChannel();
DeleteNotificationMessages(iMBFT_FILE_RECEIVE_PROGRESS);
m_CurrentReceiveEvent->m_lpFile->Close(FALSE);
DeleteReceiveEvent(m_CurrentReceiveEvent,TRUE);
UnInitialize();
}
}
}
}
}
void MBFTBroadcastReceive::OnPeerDeletedNotification
(
CPeerData *lpPeerData
)
{
if(lpPeerData->GetUserID() == m_SenderID)
{
if(m_CurrentReceiveEvent)
{
if(m_State == MBFTPrivateReceive::EnumWaitFileStartPDU ||
m_State == MBFTPrivateReceive::EnumWaitFileDataPDU)
{
ReportError(m_CurrentReceiveEvent,MBFT_INFORMATIVE_ERROR,iMBFT_SENDER_ABORTED,
FALSE,m_ProshareSenderID);
m_CurrentReceiveEvent->m_lpFile->Close(FALSE);
DeleteReceiveEvent(m_CurrentReceiveEvent,TRUE);
}
DeleteNotificationMessages(iMBFT_FILE_RECEIVE_PROGRESS);
UnInitialize();
}
}
}
#endif // USE_BROADCAST_RECEIVE
MBFTReceiveSubEvent * CRecvSubEventList::FindEquiv
(
MBFTReceiveSubEvent *pEvent
)
{
MBFTReceiveSubEvent *p;
Reset();
while (NULL != (p = Iterate()))
{
if (p->IsEqual(pEvent))
{
return p;
}
}
return NULL;
}
void CRecvSubEventList::Delete
(
MBFTReceiveSubEvent *pEvent
)
{
if (Remove(pEvent))
{
delete pEvent;
}
}
void CRecvSubEventList::DeleteAll(void)
{
MBFTReceiveSubEvent *p;
while (NULL != (p = Get()))
{
delete p;
}
}
BOOL CChannelUidQueue::RemoveByChannelID(T120ChannelID nChannelID)
{
UINT_PTR chid_uid;
Reset();
while (0 != (chid_uid = Iterate()))
{
if (LOWORD(chid_uid) == nChannelID)
{
return Remove(chid_uid);
}
}
return FALSE;
}
UINT_PTR CChannelUidQueue::FindByChannelID(T120ChannelID nChannelID)
{
UINT_PTR chid_uid;
Reset();
while (0 != (chid_uid = Iterate()))
{
if (LOWORD(chid_uid) == nChannelID)
{
return chid_uid;
}
}
return 0;
}
LPTSTR GetRootDirPath(LPTSTR pszDirPath, LPTSTR pszRootDirPath, int nSize)
{
::lstrcpy(pszRootDirPath, pszDirPath);
if (pszRootDirPath[0] == TEXT('\\'))
{
if (pszRootDirPath[1] != TEXT('\\'))
{
return NULL;
}
// the path starts with two '\\'
BOOL fFirstSlash = FALSE;
LPTSTR psz = pszRootDirPath + 2;
while (*psz && !(fFirstSlash && *psz == TEXT('\\')))
{
if (*psz == TEXT('\\'))
{
fFirstSlash = TRUE;
}
psz = ::CharNext(psz);
}
*psz++ = '\\';
*psz = '\0';
return pszRootDirPath;
}
// the first char is not a '\\', it could be driver letter followed by ':'
if (pszRootDirPath[1] == TEXT(':'))
{
pszRootDirPath[2] = TEXT('\\');
pszRootDirPath[3] = TEXT('\0');
return pszRootDirPath;
}
// the second char is not a ':' , must be a sub directory
return NULL;
}