CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp)
: m_pApp(pApp),
m_pDocument(nullptr),
m_bBlocking(FALSE),
m_isolate(nullptr),
m_isolateManaged(false) {
#ifndef PDF_ENABLE_XFA
IPDF_JSPLATFORM* pPlatform = m_pApp->GetFormFillInfo()->m_pJsPlatform;
if (pPlatform->version <= 2) {
unsigned int embedderDataSlot = 0;
v8::Isolate* pExternalIsolate = nullptr;
if (pPlatform->version == 2) {
pExternalIsolate = reinterpret_cast<v8::Isolate*>(pPlatform->m_isolate);
embedderDataSlot = pPlatform->m_v8EmbedderSlot;
}
FXJS_Initialize(embedderDataSlot, pExternalIsolate);
}
m_isolateManaged = FXJS_GetIsolate(&m_isolate);
#else
if (CPDFXFA_App::GetInstance()->GetJSERuntime()) {
// TODO(tsepez): CPDFXFA_App should also use the embedder provided isolate.
m_isolate = (v8::Isolate*)CPDFXFA_App::GetInstance()->GetJSERuntime();
} else {
IPDF_JSPLATFORM* pPlatform = m_pApp->GetFormFillInfo()->m_pJsPlatform;
if (pPlatform->version <= 2) {
unsigned int embedderDataSlot = 0;
v8::Isolate* pExternalIsolate = nullptr;
if (pPlatform->version == 2) {
pExternalIsolate = reinterpret_cast<v8::Isolate*>(pPlatform->m_isolate);
embedderDataSlot = pPlatform->m_v8EmbedderSlot;
}
FXJS_Initialize(embedderDataSlot, pExternalIsolate);
}
m_isolateManaged = FXJS_GetIsolate(&m_isolate);
}
v8::Isolate* isolate = m_isolate;
v8::Isolate::Scope isolate_scope(isolate);
v8::HandleScope handle_scope(isolate);
if (CPDFXFA_App::GetInstance()->IsJavaScriptInitialized()) {
CJS_Context* pContext = (CJS_Context*)NewContext();
FXJS_InitializeRuntime(GetIsolate(), this, &m_context, &m_StaticObjects);
ReleaseContext(pContext);
return;
}
#endif
if (m_isolateManaged || FXJS_GlobalIsolateRefCount() == 0)
DefineJSObjects();
#ifdef PDF_ENABLE_XFA
CPDFXFA_App::GetInstance()->SetJavaScriptInitialized(TRUE);
#endif
CJS_Context* pContext = (CJS_Context*)NewContext();
FXJS_InitializeRuntime(GetIsolate(), this, &m_context, &m_StaticObjects);
ReleaseContext(pContext);
}
AvFormatDecoderDVD::~AvFormatDecoderDVD()
{
ReleaseContext(m_curContext);
ReleaseContext(m_returnContext);
while (m_contextList.size() > 0)
m_contextList.takeFirst()->DecrRef();
ReleaseLastVideoPkt();
}
bool ClientSession::PostSend()
{
if (!IsConnected())
return false;
if ( 0 == mCircularBuffer->GetContiguiousBytes() )
return true;
RioIoContext* sendContext = new RioIoContext(this, IO_SEND);
sendContext->BufferId = mRioBufferId;
sendContext->Length = static_cast<ULONG>(mCircularBuffer->GetContiguiousBytes());
sendContext->Offset = mCircularBuffer->GetReadableOffset();
DWORD sendbytes = 0;
DWORD flags = 0;
/// start async send
if (!RIO.RIOSend(mRequestQueue, (PRIO_BUF)sendContext, 1, flags, sendContext))
{
printf_s("[DEBUG] RIOSend error: %d\n", GetLastError());
ReleaseContext(sendContext);
return false;
}
return true;
}
CJS_Runtime::CJS_Runtime(CPDFSDK_FormFillEnvironment* pFormFillEnv)
: m_pFormFillEnv(pFormFillEnv),
m_bBlocking(false),
m_isolateManaged(false) {
v8::Isolate* pIsolate = nullptr;
IPDF_JSPLATFORM* pPlatform = m_pFormFillEnv->GetFormFillInfo()->m_pJsPlatform;
if (pPlatform->version <= 2) {
unsigned int embedderDataSlot = 0;
v8::Isolate* pExternalIsolate = nullptr;
if (pPlatform->version == 2) {
pExternalIsolate = reinterpret_cast<v8::Isolate*>(pPlatform->m_isolate);
embedderDataSlot = pPlatform->m_v8EmbedderSlot;
}
FXJS_Initialize(embedderDataSlot, pExternalIsolate);
}
m_isolateManaged = FXJS_GetIsolate(&pIsolate);
SetIsolate(pIsolate);
#ifdef PDF_ENABLE_XFA
v8::Isolate::Scope isolate_scope(pIsolate);
v8::HandleScope handle_scope(pIsolate);
#endif
if (m_isolateManaged || FXJS_GlobalIsolateRefCount() == 0)
DefineJSObjects();
CJS_Context* pContext = (CJS_Context*)NewContext();
InitializeEngine();
ReleaseContext(pContext);
SetFormFillEnvToDocument();
}
CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp)
: m_pApp(pApp),
m_pDocument(NULL),
m_bBlocking(FALSE),
m_isolate(NULL),
m_isolateManaged(false) {
unsigned int embedderDataSlot = 0;
if (m_pApp->GetFormFillInfo()->m_pJsPlatform->version >= 2) {
m_isolate = reinterpret_cast<v8::Isolate*>(
m_pApp->GetFormFillInfo()->m_pJsPlatform->m_isolate);
embedderDataSlot = pApp->GetFormFillInfo()->m_pJsPlatform->m_v8EmbedderSlot;
}
if (!m_isolate) {
m_pArrayBufferAllocator.reset(new FXJS_ArrayBufferAllocator());
v8::Isolate::CreateParams params;
params.array_buffer_allocator = m_pArrayBufferAllocator.get();
m_isolate = v8::Isolate::New(params);
m_isolateManaged = true;
}
FXJS_Initialize(embedderDataSlot);
DefineJSObjects();
CJS_Context* pContext = (CJS_Context*)NewContext();
FXJS_InitializeRuntime(GetIsolate(), this, pContext, m_context);
ReleaseContext(pContext);
}
bool ClientSession::PostRecv()
{
if (!IsConnected())
return false;
if (0 == mCircularBuffer->GetFreeSpaceSize())
return false;
RioIoContext* recvContext = new RioIoContext(this, IO_RECV);
recvContext->BufferId = mRioBufferId;
recvContext->Length = static_cast<ULONG>(mCircularBuffer->GetFreeSpaceSize());
recvContext->Offset = mCircularBuffer->GetWritableOffset();
DWORD recvbytes = 0;
DWORD flags = 0;
/// start async recv
if (!RIO.RIOReceive(mRequestQueue, (PRIO_BUF)recvContext, 1, flags, recvContext))
{
printf_s("[DEBUG] RIOReceive error: %d\n", GetLastError());
ReleaseContext(recvContext);
return false;
}
return true;
}
void
FLTAPI
ContextCleanup (
__in PVOID Pool,
__in FLT_CONTEXT_TYPE ContextType
)
{
switch ( ContextType )
{
case FLT_INSTANCE_CONTEXT:
{
}
break;
case FLT_STREAM_CONTEXT:
{
PStreamContext pStreamContext = (PStreamContext) Pool;
ReleaseContext( (PFLT_CONTEXT*) &pStreamContext->m_InstanceCtx );
ASSERT( pStreamContext );
}
break;
case FLT_STREAMHANDLE_CONTEXT:
{
PStreamHandleContext pStreamHandleContext = (PStreamHandleContext) Pool;
ReleaseContext( (PFLT_CONTEXT*) &pStreamHandleContext->m_StreamCtx );
}
break;
case FLT_VOLUME_CONTEXT:
{
PVolumeContext pVolumeContext = (PVolumeContext) Pool;
FREE_POOL( pVolumeContext->m_DeviceId.Buffer );
}
break;
default:
{
ASSERT( "cleanup for unknown context!" );
}
break;
}
}
void OpenAL::ReleaseDevice()
{
ReleaseContext();
if(m_Device)
{
LogInfo("Releasing OAL device");
alcCloseDevice(m_Device);
m_Device = NULL;
}
}
EndPoint::~EndPoint()
{
// No network thread if networking isn't enabled.
if (mContext->Enabled())
{
// Kill the network thread and wait for it to terminate.
mRunning = false;
mNetworkThread.Join();
}
// Release the per-process context.
ReleaseContext();
}
__checkReturn
FLT_POSTOP_CALLBACK_STATUS
FLTAPI
PostWrite (
__inout PFLT_CALLBACK_DATA Data,
__in PCFLT_RELATED_OBJECTS FltObjects,
__in PVOID CompletionContext,
__in FLT_POST_OPERATION_FLAGS Flags
)
{
FLT_POSTOP_CALLBACK_STATUS fltStatus = FLT_POSTOP_FINISHED_PROCESSING;
PStreamContext pStreamContext = (PStreamContext) CompletionContext;
ASSERT( pStreamContext );
__try
{
if ( FlagOn( Flags, FLTFL_POST_OPERATION_DRAINING ) )
{
__leave;
}
if ( !NT_SUCCESS( Data->IoStatus.Status ) )
{
__leave;
}
if ( !Data->IoStatus.Information )
{
__leave;
}
if ( FlagOn( Data->Iopb->IrpFlags, IRP_PAGING_IO ) )
{
//! \todo обработка MM файлов
__leave;
}
InterlockedIncrement( &pStreamContext->m_WriteCount );
InterlockedAnd( &pStreamContext->m_Flags, ~_STREAM_FLAGS_CASHE1 );
InterlockedOr( &pStreamContext->m_Flags, _STREAM_FLAGS_MODIFIED );
}
__finally
{
ReleaseContext( (PFLT_CONTEXT*) &pStreamContext );
}
return fltStatus;
}
CJS_Runtime::CJS_Runtime(CPDFDoc_Environment * pApp) :
m_pApp(pApp),
m_pDocument(NULL),
m_pFieldEventPath(NULL),
m_bBlocking(FALSE),
m_bRegistered(FALSE)
{
m_isolate = v8::Isolate::New();
//m_isolate->Enter();
InitJSObjects();
CJS_Context * pContext = (CJS_Context*)NewContext();
JS_InitialRuntime(*this, this, pContext, m_context);
ReleaseContext(pContext);
}
CJS_Runtime::CJS_Runtime(CPDFDoc_Environment * pApp) :
m_pApp(pApp),
m_pDocument(NULL),
m_bBlocking(FALSE),
m_bRegistered(FALSE),
m_pFieldEventPath(NULL)
{
m_pArrayBufferAllocator.reset(new CJS_ArrayBufferAllocator());
v8::Isolate::CreateParams params;
params.array_buffer_allocator = m_pArrayBufferAllocator.get();
m_isolate = v8::Isolate::New(params);
InitJSObjects();
CJS_Context * pContext = (CJS_Context*)NewContext();
JS_InitialRuntime(*this, this, pContext, m_context);
ReleaseContext(pContext);
}
bool OpenAL::CreateContext()
{
ReleaseContext();
if(!m_Device)
{
LogError("Couldn't create OAL context, device not opened");
return false;
}
m_Context = alcCreateContext(m_Device, NULL);
if(m_Context)
{
LogInfo("Created OAL context");
alcMakeContextCurrent(m_Context);
}
return m_Context != NULL;
}
//
// 更新接收消息
//
void CGateServer::OnUpdateRecv(DWORD dwDeltaTime)
{
CIOContext *pContext = m_pActiveContext;
while (pContext) {
CIOContext *pNextContext = pContext->pNextActive;
if (pContext->IsAlive()) {
pContext->SwitchRecvBuffer();
pContext->dwHeartTime += dwDeltaTime;
while (TRUE) {
WORD msg;
WORD fullSize;
WORD bodySize;
if (pContext->GetRecvBuffer().GetData((BYTE *)&fullSize, sizeof(fullSize)) != sizeof(fullSize)) break;
if (pContext->GetRecvBuffer().GetActiveBufferSize() < sizeof(fullSize) + fullSize) break;
if (pContext->GetRecvBuffer().PopData((BYTE *)&fullSize, sizeof(fullSize)) != sizeof(fullSize)) break;
if (pContext->GetRecvBuffer().PopData((BYTE *)&msg, sizeof(msg)) != sizeof(msg)) break;
bodySize = fullSize - sizeof(msg);
m_dwRecvDataSize += sizeof(fullSize) + fullSize;
ResponseFuncs::const_iterator itFunc = m_responses.find(msg);
if (itFunc == m_responses.end()) continue;
(this->*itFunc->second)(pContext, bodySize);
OnHeartReset(pContext);
}
}
if (pContext->Check((DWORD)(1000 * m_timeOut)) == FALSE) {
ReleaseContext(pContext, FALSE);
}
pContext = pNextContext;
}
}
CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp)
: m_pApp(pApp),
m_pDocument(NULL),
m_bBlocking(FALSE),
m_isolate(NULL),
m_isolateManaged(false) {
IPDF_JSPLATFORM* pPlatform = m_pApp->GetFormFillInfo()->m_pJsPlatform;
if (pPlatform->version <= 2) {
unsigned int embedderDataSlot = 0;
v8::Isolate* pExternalIsolate = nullptr;
if (pPlatform->version == 2) {
pExternalIsolate = reinterpret_cast<v8::Isolate*>(pPlatform->m_isolate);
embedderDataSlot = pPlatform->m_v8EmbedderSlot;
}
FXJS_Initialize(embedderDataSlot, pExternalIsolate);
}
m_isolateManaged = FXJS_GetIsolate(&m_isolate);
if (m_isolateManaged || FXJS_GlobalIsolateRefCount() == 0)
DefineJSObjects();
CJS_Context* pContext = (CJS_Context*)NewContext();
FXJS_InitializeRuntime(GetIsolate(), this, &m_context, &m_StaticObjects);
ReleaseContext(pContext);
}
void CIOCPServer::HandleIO(DWORD dwKey, CIOCPBuffer *pBuffer, DWORD dwTrans, int nError)
{
CIOCPContext *pContext = (CIOCPContext *)dwKey;
#ifdef _DEBUG
// ::OutputDebugString(" HandleIO... \n");
#endif // _DEBUG
// 1）首先减少套节字上的未决I/O计数
if(pContext != NULL)
{
::EnterCriticalSection(&pContext->Lock);
if(pBuffer->nOperation == OP_READ)
pContext->nOutstandingRecv --;
else if(pBuffer->nOperation == OP_WRITE)
pContext->nOutstandingSend --;
::LeaveCriticalSection(&pContext->Lock);
// 2）检查套节字是否已经被我们关闭
if(pContext->bClosing)
{
#ifdef _DEBUG
::OutputDebugString(" pContext->bClosing 检查到套节字已经被我们关闭 \n");
#endif // _DEBUG
if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0)
{
ReleaseContext(pContext);
}
// 释放已关闭套节字的未决I/O
ReleaseBuffer(pBuffer);
return;
}
}
else
{
RemovePendingAccept(pBuffer);
#ifdef _DEBUG
::OutputDebugString("RemovePendingAccept 检查到套节字连接超时未完成被我们关闭 \n");
#endif // _DEBUG
}
// 3）检查套节字上发生的错误，如果有的话，通知用户，然后关闭套节字
if(nError != NO_ERROR)
{
if(pBuffer->nOperation != OP_ACCEPT)
{
OnConnectionError(pContext, pBuffer, nError);
CloseAConnection(pContext);
if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0)
{
ReleaseContext(pContext);
}
#ifdef _DEBUG
::OutputDebugString("nError 非OP_ACCEPT检查到客户套节字上发生错误 \n");
#endif // _DEBUG
}
else // 在监听套节字上发生错误，也就是监听套节字处理的客户出错了
{
// 客户端出错，释放I/O缓冲区
if(pBuffer->sClient != INVALID_SOCKET)
{
::closesocket(pBuffer->sClient);
pBuffer->sClient = INVALID_SOCKET;
}
#ifdef _DEBUG
::OutputDebugString("nError Listen SOCKET检查到监听套节字上发生错误 \n");
#endif // _DEBUG
}
ReleaseBuffer(pBuffer);
return;
}
// 开始处理
if(pBuffer->nOperation == OP_ACCEPT)
{
if(dwTrans == 0)
{
#ifdef _DEBUG
::OutputDebugString("OP_ACCEPT 监听套节字上客户端关闭 \n");
#endif // _DEBUG
if(pBuffer->sClient != INVALID_SOCKET)
{
::closesocket(pBuffer->sClient);
pBuffer->sClient = INVALID_SOCKET;
}
}
else
{
// 为新接受的连接申请客户上下文对象
CIOCPContext *pClient = AllocateContext(pBuffer->sClient);
if(pClient != NULL)
{
if(AddAConnection(pClient))
{
// 取得客户地址
int nLocalLen, nRmoteLen;
LPSOCKADDR pLocalAddr, pRemoteAddr;
m_lpfnGetAcceptExSockaddrs(
pBuffer->buff,
pBuffer->nLen - ((sizeof(sockaddr_in) + 16) * 2),
sizeof(sockaddr_in) + 16,
sizeof(sockaddr_in) + 16,
(SOCKADDR **)&pLocalAddr,
&nLocalLen,
(SOCKADDR **)&pRemoteAddr,
&nRmoteLen);
memcpy(&pClient->addrLocal, pLocalAddr, nLocalLen);
memcpy(&pClient->addrRemote, pRemoteAddr, nRmoteLen);
// 关联新连接到完成端口对象
::CreateIoCompletionPort((HANDLE)pClient->s, m_hCompletion, (DWORD)pClient, 0);
// 通知用户
pBuffer->nLen = dwTrans;
OnConnectionEstablished(pClient, pBuffer);
// 向新连接投递几个Read请求，这些空间在套节字关闭或出错时释放
for(int i=0; i<m_nInitialReads ; i++)
{
CIOCPBuffer *p = AllocateBuffer(BUFFER_SIZE);
if(p != NULL)
{
if(!PostRecv(pClient, p))
{
CloseAConnection(pClient);
break;
}
}
}
}
else // 连接数量已满，关闭连接
{
CloseAConnection(pClient);
ReleaseContext(pClient);
}
}
else
{
// 资源不足，关闭与客户的连接即可
::closesocket(pBuffer->sClient);
pBuffer->sClient = INVALID_SOCKET;
}
}
// Accept请求完成，释放I/O缓冲区
ReleaseBuffer(pBuffer);
// 通知监听线程继续再投递一个Accept请求
::InterlockedIncrement(&m_nRepostCount);
::SetEvent(m_hRepostEvent);
}
else if(pBuffer->nOperation == OP_READ)
{
if(dwTrans == 0) // 对方关闭套节字
{
// 先通知用户
pBuffer->nLen = 0;
OnConnectionClosing(pContext, pBuffer);
// 再关闭连接
CloseAConnection(pContext);
// 释放客户上下文和缓冲区对象
if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0)
{
ReleaseContext(pContext);
}
ReleaseBuffer(pBuffer);
}
else
{
pBuffer->nLen = dwTrans;
// 按照I/O投递的顺序读取接收到的数据
CIOCPBuffer *p = GetNextReadBuffer(pContext, pBuffer);
while(p != NULL)
{
// 通知用户
OnReadCompleted(pContext, p);
// 增加要读的序列号的值
::InterlockedIncrement((LONG*)&pContext->nCurrentReadSequence);
// 释放这个已完成的I/O
ReleaseBuffer(p);
p = GetNextReadBuffer(pContext, NULL);
}
// printf("空闲buffer数:%d \n",m_nFreeBufferCount);
if (pContext->nOutstandingRecv <= 0)
{
for(int i=0; i<m_nInitialReads ; i++)
{
// 继续投递几个新的重叠接收请求,这样能达到最快速度
// 因为此时pBuffer已经释放或被保存到缓冲区,所以分配一个新的
pBuffer = AllocateBuffer(BUFFER_SIZE);
if(pBuffer != NULL)
{
if(!PostRecv(pContext, pBuffer))
{
CloseAConnection(pContext);
break;
}
}
}
}
}
}
else if(pBuffer->nOperation == OP_WRITE)
{
if(dwTrans == 0) // 对方关闭套节字
{
// 先通知用户
pBuffer->nLen = 0;
OnConnectionClosing(pContext, pBuffer);
// 再关闭连接
CloseAConnection(pContext);
// 释放客户上下文和缓冲区对象
if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0)
{
ReleaseContext(pContext);
}
ReleaseBuffer(pBuffer);
}
else
{
// 写操作完成，通知用户
pBuffer->nLen = dwTrans;
OnWriteCompleted(pContext, pBuffer);
// 释放SendText函数申请的缓冲区
ReleaseBuffer(pBuffer);
}
}
}
void AvFormatDecoderDVD::CheckContext(int64_t pts)
{
if (pts != AV_NOPTS_VALUE)
{
// Remove any contexts we should have
// already processed.(but have somehow jumped past)
while (m_contextList.size() > 0 &&
pts >= m_contextList.first()->GetEndPTS())
{
ReleaseContext(m_curContext);
m_curContext = m_contextList.takeFirst();
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("DVD context missed! lba: %1, curpts: %2, nav end pts: %3")
.arg(m_curContext->GetLBA())
.arg(pts)
.arg(m_curContext->GetEndPTS()));
}
// See whether we can take the next context from the list
if (m_contextList.size() > 0 &&
pts >= m_contextList.first()->GetStartPTS())
{
ReleaseContext(m_curContext);
m_curContext = m_contextList.takeFirst();
if (m_curContext->GetLBAPrevVideoFrame() != m_lbaLastVideoPkt)
ReleaseLastVideoPkt();
if (m_curContext->GetNumFramesPresent() == 0)
{
if (m_lastVideoPkt)
{
// No video frames present, so we need to generate
// them based on the last 'sequence end' video packet.
m_framesReq = m_curContext->GetNumFrames();
}
else
{
// There are no video frames in this VOBU and
// we don't have one stored. We've probably
// jumped into the middle of a cell.
// Jump back to the first VOBU that contains
// video so we can get the video frame we need
// before jumping back again.
m_framesReq = 0;
uint32_t lastVideoSector = m_curContext->GetLBAPrevVideoFrame();
if (lastVideoSector != INVALID_LBA)
{
LOG(VB_PLAYBACK, LOG_DEBUG, LOC + QString( "Missing video. Jumping to sector %1")
.arg(lastVideoSector));
ringBuffer->DVD()->SectorSeek(lastVideoSector);
m_returnContext = m_curContext;
m_curContext = NULL;
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Missing video frame and no previous frame available! lba: %1")
.arg(m_curContext->GetLBA()));
}
}
}
else
{
// Normal VOBU with at least one video frame so we don't need to generate frames.
m_framesReq = 0;
ReleaseLastVideoPkt();
}
}
}
}
__checkReturn
NTSTATUS
FLTAPI
InstanceSetup (
__in PCFLT_RELATED_OBJECTS FltObjects,
__in FLT_INSTANCE_SETUP_FLAGS Flags,
__in DEVICE_TYPE VolumeDeviceType,
__in FLT_FILESYSTEM_TYPE VolumeFilesystemType
)
{
NTSTATUS status = STATUS_UNSUCCESSFUL;
PInstanceContext pInstanceCtx = NULL;
PVolumeContext pVolumeContext = NULL;
UNREFERENCED_PARAMETER( Flags );
ASSERT( FltObjects->Filter == gFileMgr.m_FileFilter );
if ( FLT_FSTYPE_RAW == VolumeFilesystemType)
{
return STATUS_FLT_DO_NOT_ATTACH;
}
if ( FILE_DEVICE_NETWORK_FILE_SYSTEM == VolumeDeviceType )
{
return STATUS_FLT_DO_NOT_ATTACH;
}
__try
{
status = FltAllocateContext(
gFileMgr.m_FileFilter,
FLT_INSTANCE_CONTEXT,
sizeof( InstanceContext ),
NonPagedPool,
(PFLT_CONTEXT*) &pInstanceCtx
);
if ( !NT_SUCCESS( status ) )
{
pInstanceCtx = NULL;
__leave;
}
RtlZeroMemory( pInstanceCtx, sizeof( InstanceContext ) );
status = FltAllocateContext(
gFileMgr.m_FileFilter,
FLT_VOLUME_CONTEXT,
sizeof( VolumeContext ),
NonPagedPool,
(PFLT_CONTEXT*) &pVolumeContext
);
if ( !NT_SUCCESS( status ) )
{
pVolumeContext = NULL;
__leave;
}
RtlZeroMemory( pVolumeContext, sizeof( VolumeContext ) );
// just for fun
pInstanceCtx->m_VolumeDeviceType = VolumeDeviceType;
pInstanceCtx->m_VolumeFilesystemType = VolumeFilesystemType;
status = FillVolumeProperties( FltObjects, pVolumeContext );
if ( !NT_SUCCESS( status ) )
{
__leave;
}
ASSERT( VolumeDeviceType != FILE_DEVICE_NETWORK_FILE_SYSTEM );
VERDICT Verdict = VERDICT_NOT_FILTERED;
if ( gFileMgr.m_FltSystem->IsFiltersExist() )
{
VolumeInterceptorContext event(
FltObjects,
pInstanceCtx,
pVolumeContext,
VOLUME_MINIFILTER,
OP_VOLUME_ATTACH,
0,
PostProcessing
);
PARAMS_MASK params2user;
status = gFileMgr.m_FltSystem->FilterEvent(
&event,
&Verdict,
¶ms2user
);
if ( NT_SUCCESS( status ) && FlagOn( Verdict, VERDICT_ASK ) )
{
status = ChannelAskUser( &event, params2user, &Verdict );
if ( NT_SUCCESS( status ) )
{
}
}
}
status = FltSetInstanceContext(
FltObjects->Instance,
FLT_SET_CONTEXT_KEEP_IF_EXISTS,
pInstanceCtx,
NULL
);
pVolumeContext->m_Instance = FltObjects->Instance;
status = FltSetVolumeContext(
FltObjects->Volume,
FLT_SET_CONTEXT_KEEP_IF_EXISTS,
pVolumeContext,
NULL
);
}
__finally
{
ReleaseContext( (PFLT_CONTEXT*) &pInstanceCtx );
ReleaseContext( (PFLT_CONTEXT*) &pVolumeContext );
}
return STATUS_SUCCESS;
}
//
// Creates key store report.
//
WINERROR KeyStoreReport(
PWCHAR* ppReport, // receives key report
PULONG pLength, // size of the report in chars
BOOL bDelete
)
{
WINERROR Status = ERROR_NOT_ENOUGH_MEMORY;
PKEY_CONTEXT Ctx, NextCtx;
ULONG bLen, TotalLen = 1, Index = 0, Length, InitialSize;
ULONG LengthClipbrd = 0;
PWCHAR Buffer, NewBuffer;
SYSTEMTIME DateTime;
FILETIME LocalTime;
PLIST_ENTRY ListEntry;
#if _DEBUG
HANDLE PrevKey = 0;
#endif
InitialSize = MAX_REPORT_BUFFER_SIZE;
if (Buffer = AppAlloc(InitialSize))
{
bLen = MAX_REPORT_BUFFER_SIZE / sizeof(WCHAR);
Buffer[0] = 0xfeff; // Unicode file magic
Buffer[1] = 0;
bLen -= 1;
NextCtx = EnumContext(NULL);
while(Ctx = NextCtx)
{
#if _DEBUG
PHANDLE_RECORD pHRec = CONTAINING_RECORD(Ctx, HANDLE_RECORD, Context);
ASSERT(pHRec->RefCount == 2);
ASSERT(PrevKey != pHRec->Key);
PrevKey = pHRec->Key;
#endif
if (Ctx->bActive)
{
FileTimeToLocalFileTime(&Ctx->Time, &LocalTime);
FileTimeToSystemTime(&LocalTime, &DateTime);
// Calculating new message length
Length = cstrlenW(wczReportFormat) + lstrlenW(Ctx->ProcessPath) + lstrlenW(Ctx->WindowText) + Ctx->Count + 1;
// Checking if there's enough free space within the buffer to fit the message
if ((bLen >= Length) ||
// Trying to reallocate the buffer
((NewBuffer = ReallocBuffer(Buffer, (InitialSize += max(Length, MAX_KEY_BUFFER_SIZE) * sizeof(WCHAR)), (bLen * sizeof(WCHAR)))) &&
(Buffer = NewBuffer) && (bLen = (InitialSize / sizeof(WCHAR)) - bLen)))
{
Length = wnsprintfW(
Buffer + TotalLen,
bLen,
wczReportFormat,
DateTime.wDay,
DateTime.wMonth,
DateTime.wYear,
DateTime.wHour,
DateTime.wMinute,
DateTime.wSecond,
(LPWSTR)&Ctx->ProcessPath,
(LPWSTR)&Ctx->WindowText,
(LPWSTR)&Ctx->KeyBuffer
);
bLen -= Length;
TotalLen += Length;
}
} // if (Ctx->bActive)
if (!IsListEmpty(&Ctx->ClipboardChain))
{
for ( ListEntry = Ctx->ClipboardChain.Flink;
ListEntry != &Ctx->ClipboardChain;
ListEntry = ListEntry->Flink)
{
PCLIPBOARD_ENTRY CEntry = CONTAINING_RECORD(ListEntry,CLIPBOARD_ENTRY,qLink);
Length = cstrlenW(wczFormatClipbrd) + lstrlenA(CEntry->Buffer);
// Checking if there's enough free space within the buffer to fit the message
if ((bLen >= Length) ||
// Trying to reallocate the buffer
((NewBuffer = ReallocBuffer(Buffer, (InitialSize += max(Length, MAX_KEY_BUFFER_SIZE) * sizeof(WCHAR)), (bLen * sizeof(WCHAR)))) &&
(Buffer = NewBuffer) && (bLen = (InitialSize / sizeof(WCHAR)) - bLen)))
{
FileTimeToLocalFileTime(&CEntry->Time, &LocalTime);
FileTimeToSystemTime(&LocalTime, &DateTime);
Length = wnsprintfW(
Buffer + TotalLen,
bLen,
wczFormatClipbrd,
DateTime.wDay,
DateTime.wMonth,
DateTime.wYear,
DateTime.wHour,
DateTime.wMinute,
DateTime.wSecond,
(LPWSTR)CEntry->Buffer
);
bLen -= Length;
TotalLen += Length;
}
}
} // if (!IsListEmpty(&Ctx->ClipboardChain))
NextCtx = EnumContext(Ctx);
if (bDelete)
ReleaseContext(Ctx);
else
Index += 1;
ReleaseContext(Ctx);
} // while(Ctx = NextCtx)
if (TotalLen > 1)
{
*ppReport = Buffer;
*pLength = TotalLen;
Status = NO_ERROR;
}
else
{
AppFree(Buffer);
Status = ERROR_NO_MORE_FILES;
}
} // if (Buffer = AppAlloc(DEFAULT_REPORT_BUFFER_SIZE))
return(Status);
}
//
// Adds a new pressed key information into the key store.
//
WINERROR KeyStoreAdd(
PKEY_INFO pKeyInfo
)
{
WINERROR Status = ERROR_NOT_ENOUGH_MEMORY;
ULONG KeyHandle;
PKEY_CONTEXT Ctx;
BOOL bDeref = FALSE;
KeyHandle = Crc32((PCHAR)&pKeyInfo->Client, sizeof(CLIENT_INFO));
if (Ctx = GetContext(KeyHandle))
{
bDeref = Ctx->bDirty;
if (Ctx->bDirty == FALSE) // just created
{
// Context has just been created, initializing
HANDLE hProcess;
// Resolving process path
if (hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pKeyInfo->Client.ProcessId))
{
GetModuleFileNameExW(hProcess, NULL, (LPWSTR)&Ctx->ProcessPath, MAX_PATH);
CloseHandle(hProcess);
}
Ctx->bActive = TRUE;
// Saving current date and time
GetSystemTimeAsFileTime(&Ctx->Time);
// Resolving parent window text
GetWindowTextW(pKeyInfo->Client.ParentWindow, (LPWSTR)&Ctx->WindowText, MAX_WINDOW_TEXT);
} // if (Ctx->bDirty == FALSE) // just created
Ctx->bDirty = TRUE;
if (Ctx->bActive)
{
if (pKeyInfo->wChar && Ctx->Count < MAX_KEY_BUFFER_SIZE)
{
if (pKeyInfo->wChar == VK_BACK)
{
if (Ctx->Count)
Ctx->Count -= 1;
}
else
{
Ctx->KeyBuffer[Ctx->Count] = pKeyInfo->wChar;
Ctx->Count += 1;
DbgPrint("KEYLOG: Adding key to a buffer: 0x%x, %C\n", pKeyInfo->wChar, pKeyInfo->wChar);
}
Status = NO_ERROR;
} // if (Ctx->Count < MAX_KEY_BUFFER_SIZE)
else
Status = ERROR_BUFFER_OVERFLOW;
if ( pKeyInfo->clipboard )
{
PCLIPBOARD_ENTRY Entry = (PCLIPBOARD_ENTRY)AppAlloc( sizeof(CLIPBOARD_ENTRY) );
if ( Entry )
{
// Saving current date and time
GetSystemTimeAsFileTime(&Entry->Time);
Entry->Buffer = pKeyInfo->clipboard;
pKeyInfo->clipboard = NULL; // we'll free it later
InsertTailList(&Ctx->ClipboardChain,&Entry->qLink);
}
} // if ( pKeyInfo->clipboard )
} // if (Ctx->bActive)
if ( bDeref )
// Context has been reused, dereferencing it
ReleaseContext(Ctx);
} // if (Ctx = GetContext(KeyHandle))
return(Status);
}
void GameContext::Release()
{
ReleaseContext();
m_objects.clear();
m_controllers.clear();
}
__checkReturn
FLT_POSTOP_CALLBACK_STATUS
FLTAPI
PostCreate (
__inout PFLT_CALLBACK_DATA Data,
__in PCFLT_RELATED_OBJECTS FltObjects,
__in PVOID CompletionContext,
__in FLT_POST_OPERATION_FLAGS Flags
)
{
UNREFERENCED_PARAMETER( CompletionContext );
FLT_POSTOP_CALLBACK_STATUS fltStatus = FLT_POSTOP_FINISHED_PROCESSING;
/// \todo access to volume - generate access event
PStreamHandleContext pStreamHandleContext = NULL;
__try
{
NTSTATUS status;
if ( IsSkipPostCreate( Data, FltObjects, Flags ) )
{
__leave;
}
status = GenerateStreamHandleContext(
gFileMgr.m_FileFilter,
FltObjects,
&pStreamHandleContext
);
if ( !NT_SUCCESS( status ) )
{
pStreamHandleContext = NULL;
__leave;
}
if ( IsPrefetchEcpPresent( gFileMgr.m_FileFilter, Data ) )
{
SetFlag( pStreamHandleContext->m_Flags, _STREAM_H_FLAGS_ECPPREF );
__leave;
}
if ( !gFileMgr.m_FltSystem->IsFiltersExist() )
{
__leave;
}
VERDICT Verdict = VERDICT_NOT_FILTERED;
FileInterceptorContext event(
Data,
FltObjects,
pStreamHandleContext->m_StreamCtx,
FILE_MINIFILTER,
OP_FILE_CREATE,
0,
PostProcessing
);
PARAMS_MASK params2user;
status = gFileMgr.m_FltSystem->FilterEvent(
&event,
&Verdict,
¶ms2user
);
if ( NT_SUCCESS( status ) )
{
if ( FlagOn( Verdict, VERDICT_ASK ) )
{
status = ChannelAskUser( &event, params2user, &Verdict );
if ( NT_SUCCESS( status ) )
{
// nothing todo
}
}
if ( FlagOn( Verdict, VERDICT_DENY ) )
{
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
Data->IoStatus.Information = 0;
if ( FlagOn( FltObjects->FileObject->Flags, FO_HANDLE_CREATED ) )
{
// file already has handle(s)!
// skip blocking
}
else
{
FltCancelFileOpen( FltObjects->Instance, FltObjects->FileObject );
}
}
else
{
if ( FlagOn( Verdict, VERDICT_CACHE1 ) )
{
event.SetCache1();
}
}
}
}
__finally
{
ReleaseContext( (PFLT_CONTEXT*) &pStreamHandleContext );
}
return fltStatus;
}
__checkReturn
FLT_PREOP_CALLBACK_STATUS
FLTAPI
PreCleanup (
__inout PFLT_CALLBACK_DATA Data,
__in PCFLT_RELATED_OBJECTS FltObjects,
__out PVOID *CompletionContext
)
{
NTSTATUS status;
UNREFERENCED_PARAMETER( CompletionContext );
FLT_PREOP_CALLBACK_STATUS fltStatus = FLT_PREOP_SUCCESS_NO_CALLBACK;
PStreamHandleContext pStreamHandleContext = NULL;
__try
{
status = GetStreamHandleContext( FltObjects, &pStreamHandleContext );
if ( !NT_SUCCESS( status ) )
{
pStreamHandleContext = NULL;
__leave;
}
if ( FlagOn( pStreamHandleContext->m_Flags, _STREAM_H_FLAGS_ECPPREF ) )
{
__leave;
}
if ( !gFileMgr.m_FltSystem->IsFiltersExist() )
{
__leave;
}
VERDICT Verdict = VERDICT_NOT_FILTERED;
FileInterceptorContext event(
Data,
FltObjects,
pStreamHandleContext->m_StreamCtx,
FILE_MINIFILTER,
OP_FILE_CLEANUP,
0,
PreProcessing
);
PARAMS_MASK params2user;
status = gFileMgr.m_FltSystem->FilterEvent(
&event,
&Verdict,
¶ms2user
);
if ( NT_SUCCESS( status ) && FlagOn( Verdict, VERDICT_ASK ) )
{
status = ChannelAskUser( &event, params2user, &Verdict );
if ( NT_SUCCESS( status ) )
{
if (
!FlagOn( Verdict, VERDICT_DENY)
&&
FlagOn( Verdict, VERDICT_CACHE1 )
)
{
event.SetCache1();
}
}
}
}
__finally
{
ReleaseContext( (PFLT_CONTEXT*) &pStreamHandleContext );
}
return fltStatus;
}
bool AvFormatDecoderDVD::ProcessVideoPacket(AVStream *stream, AVPacket *pkt)
{
int64_t pts = pkt->pts;
if (pts == AV_NOPTS_VALUE)
pts = pkt->dts;
CheckContext(pts);
bool ret = AvFormatDecoder::ProcessVideoPacket(stream, pkt);
if( ret &&
m_curContext &&
pts != AV_NOPTS_VALUE &&
pts + pkt->duration == m_curContext->GetSeqEndPTS())
{
// If this video frame is the last in the sequence,
// make a copy of it so we can 'generate' more
// to fill in the gaps (e.g. when a single frame
// should be displayed with audio)
if (!m_lastVideoPkt)
{
m_lastVideoPkt = new AVPacket;
memset(m_lastVideoPkt, 0, sizeof(AVPacket));
}
else
{
av_free_packet(m_lastVideoPkt);
}
av_init_packet(m_lastVideoPkt);
av_copy_packet(m_lastVideoPkt, pkt);
m_lbaLastVideoPkt = m_curContext->GetLBA();
if (m_returnContext)
{
// After seeking in a slideshow, we needed to find
// the previous video frame to display.
// We've found it now, so we need to jump back to
// where we originally wanted to be.
LOG(VB_PLAYBACK, LOG_DEBUG, LOC + QString( "Found video packet, jumping back to sector %1")
.arg(m_returnContext->GetLBA()));
ringBuffer->DVD()->SectorSeek(m_returnContext->GetLBA());
ReleaseContext(m_returnContext);
}
else
{
if (m_lastVideoPkt->pts != AV_NOPTS_VALUE)
m_lastVideoPkt->pts += pkt->duration;
if (m_lastVideoPkt->dts != AV_NOPTS_VALUE)
m_lastVideoPkt->dts += pkt->duration;
m_framesReq = m_curContext->GetNumFrames() - m_curContext->GetNumFramesPresent();
LOG(VB_PLAYBACK, LOG_DEBUG, LOC + QString( "SeqEnd @ %1 - require %2 frame(s)")
.arg(pkt->pts)
.arg(m_framesReq));
}
}
return ret;
}
int AvFormatDecoderDVD::ReadPacket(AVFormatContext *ctx, AVPacket* pkt)
{
int result = 0;
if (m_framesReq > 0)
{
m_framesReq--;
if (m_lastVideoPkt)
{
av_copy_packet(pkt, m_lastVideoPkt);
if (m_lastVideoPkt->pts != AV_NOPTS_VALUE)
m_lastVideoPkt->pts += pkt->duration;
if (m_lastVideoPkt->dts != AV_NOPTS_VALUE)
m_lastVideoPkt->dts += pkt->duration;
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString( "Need to generate frame @ %1 - %2 but no frame available!")
.arg(pkt->pts)
.arg(m_framesReq));
}
}
else
{
bool gotPacket;
do
{
gotPacket = true;
result = av_read_frame(ctx, pkt);
while (result == AVERROR_EOF && errno == EAGAIN)
{
if (ringBuffer->DVD()->IsReadingBlocked())
{
if (ringBuffer->DVD()->GetLastEvent() == DVDNAV_HOP_CHANNEL)
{
// Non-seamless jump - clear all buffers
m_framesReq = 0;
ReleaseContext(m_curContext);
while (m_contextList.size() > 0)
m_contextList.takeFirst()->DecrRef();
Reset(true, false, false);
m_audio->Reset();
m_parent->DiscardVideoFrames(false);
}
ringBuffer->DVD()->UnblockReading();
result = av_read_frame(ctx, pkt);
}
else
{
break;
}
}
if (result >= 0)
{
pkt->dts = ringBuffer->DVD()->AdjustTimestamp(pkt->dts);
pkt->pts = ringBuffer->DVD()->AdjustTimestamp(pkt->pts);
if (m_returnContext)
{
// We've jumped in a slideshow and have had to jump again
// to find the right video packet to show so only allow
// the packets through that let us find it.
gotPacket = false;
AVStream *curstream = ic->streams[pkt->stream_index];
if ((curstream->codec->codec_type == AVMEDIA_TYPE_VIDEO) ||
(curstream->codec->codec_id == AV_CODEC_ID_DVD_NAV))
{
// Allow video or NAV packets through
gotPacket = true;
}
}
}
}while(!gotPacket);
}
return result;
}
int
main(int argc, char const * argv[])
{
char const * const target_platform_substring = "Intel";
char const * const target_device_substring = "Graphics";
//
// find platform and device ids
//
cl_platform_id platform_id;
cl_device_id device_id;
#define HS_DEVICE_NAME_SIZE 64
char device_name[HS_DEVICE_NAME_SIZE];
size_t device_name_size;
cl(FindIdsByName(target_platform_substring,
target_device_substring,
&platform_id,
&device_id,
HS_DEVICE_NAME_SIZE,
device_name,
&device_name_size,
true));
//
// create context
//
cl_context_properties context_properties[] =
{
CL_CONTEXT_PLATFORM, (cl_context_properties)platform_id,
0
};
cl_int cl_err;
cl_context context = clCreateContext(context_properties,
1,
&device_id,
NULL,
NULL,
&cl_err);
cl_ok(cl_err);
//
// create command queue
//
#if 0 // OPENCL 2.0
cl_queue_properties props[] = {
CL_QUEUE_PROPERTIES,
(cl_queue_properties)CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE,
#ifndef NDEBUG
(cl_queue_properties)CL_QUEUE_PROFILING_ENABLE,
#endif
0
};
cl_queue_properties props_profile[] = {
CL_QUEUE_PROPERTIES,
(cl_queue_properties)CL_QUEUE_PROFILING_ENABLE,
0
};
cl_command_queue cq = clCreateCommandQueueWithProperties(context,
device_id,
props,
&cl_err); cl_ok(cl_err);
cl_command_queue cq_profile = clCreateCommandQueueWithProperties(context,
device_id,
props_profile,
&cl_err); cl_ok(cl_err);
#else // OPENCL 1.2
cl_command_queue cq = clCreateCommandQueue(context,
device_id,
#ifndef NDEBUG
CL_QUEUE_PROFILING_ENABLE |
#endif
CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE,
&cl_err); cl_ok(cl_err);
cl_command_queue cq_profile = clCreateCommandQueue(context,
device_id,
CL_QUEUE_PROFILING_ENABLE,
&cl_err); cl_ok(cl_err);
#endif
//
// Intel GEN workaround -- create dummy kernel for semi-accurate
// profiling on an out-of-order queue.
//
hs_dummy_kernel_create(context,device_id);
//
// select the target
//
uint32_t const key_val_words = (argc == 1) ? 2 : strtoul(argv[1],NULL,0);
struct hs_cl_target const * hs_target;
if (key_val_words == 1)
hs_target = &hs_intel_gen8_u32;
else
hs_target = &hs_intel_gen8_u64;
//
// create kernels
//
fprintf(stdout,"Creating... ");
struct hs_cl * const hs = hs_cl_create(hs_target,context,device_id);
fprintf(stdout,"done.\n");
//
//
//
#ifdef NDEBUG
#define HS_BENCH_LOOPS 100
#define HS_BENCH_WARMUP 100
#else
#define HS_BENCH_LOOPS 1
#define HS_BENCH_WARMUP 0
#endif
//
// sort sizes and loops
//
uint32_t const kpb = hs_target->config.slab.height << hs_target->config.slab.width_log2;
uint32_t const count_lo = (argc <= 2) ? kpb : strtoul(argv[2],NULL,0);
uint32_t const count_hi = (argc <= 3) ? count_lo : strtoul(argv[3],NULL,0);
uint32_t const count_step = (argc <= 4) ? count_lo : strtoul(argv[4],NULL,0);
uint32_t const loops = (argc <= 5) ? HS_BENCH_LOOPS : strtoul(argv[5],NULL,0);
uint32_t const warmup = (argc <= 6) ? HS_BENCH_WARMUP : strtoul(argv[6],NULL,0);
bool const linearize = (argc <= 7) ? true : strtoul(argv[7],NULL,0);
//
// labels
//
fprintf(stdout,
"Device, "
"Driver, "
"Type, "
"Slab/Linear, "
"Verified?, "
"Keys, "
"Keys Padded In, "
"Keys Padded Out, "
"CPU Algorithm, "
"CPU Msecs, "
"CPU Mkeys/s, "
"Trials, "
"Avg. Msecs, "
"Min Msecs, "
"Max Msecs, "
"Avg. Mkeys/s, "
"Max. Mkeys/s\n");
//
// we want to track driver versions
//
size_t driver_version_size;
cl(GetDeviceInfo(device_id,
CL_DRIVER_VERSION,
0,
NULL,
&driver_version_size));
char * const driver_version = ALLOCA_MACRO(driver_version_size);
cl(GetDeviceInfo(device_id,
CL_DRIVER_VERSION,
driver_version_size,
driver_version,
NULL));
//
// benchmark
//
hs_bench(context,
cq,cq_profile,
device_name,
driver_version,
hs_target->config.words.key + hs_target->config.words.val,
1 << hs_target->config.slab.width_log2,
hs_target->config.slab.height,
hs,
count_lo,
count_hi,
count_step,
loops,
warmup,
linearize);
//
// release everything
//
hs_cl_release(hs);
hs_dummy_kernel_release();
cl(ReleaseCommandQueue(cq));
cl(ReleaseCommandQueue(cq_profile));
cl(ReleaseContext(context));
return 0;
}