diff options
Diffstat (limited to 'third_party/BaseClasses/perflog.cpp')
| -rw-r--r-- | third_party/BaseClasses/perflog.cpp | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/third_party/BaseClasses/perflog.cpp b/third_party/BaseClasses/perflog.cpp deleted file mode 100644 index e6425387..00000000 --- a/third_party/BaseClasses/perflog.cpp +++ /dev/null @@ -1,347 +0,0 @@ -//------------------------------------------------------------------------------
-// File: perflog.cpp
-//
-// Desc: Macros for DirectShow performance logging.
-//
-// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved.
-//------------------------------------------------------------------------------
-
-#pragma warning (disable:4201)
-
-#include <streams.h>
-#include <windows.h>
-#include <tchar.h>
-#include <winperf.h>
-#include <wmistr.h>
-#include <evntrace.h>
-#include <strsafe.h>
-#include "perflog.h"
-
-//
-// Local function prototypes.
-//
-
-ULONG
-WINAPI
-PerflogCallback (
- WMIDPREQUESTCODE RequestCode,
- __in PVOID Context,
- __out ULONG* BufferSize,
- __in PVOID Buffer
- );
-
-//
-// Event tracing function pointers.
-// We have to do this to run on down-level platforms.
-//
-
-#ifdef UNICODE
-
-ULONG
-(__stdcall * _RegisterTraceGuids) (
- __in IN WMIDPREQUEST RequestAddress,
- __in IN PVOID RequestContext,
- IN LPCGUID ControlGuid,
- IN ULONG GuidCount,
- __in IN PTRACE_GUID_REGISTRATION TraceGuidReg,
- IN LPCWSTR MofImagePath,
- IN LPCWSTR MofResourceName,
- OUT PTRACEHANDLE RegistrationHandle
- );
-
-#define REGISTERTRACEGUIDS_NAME "RegisterTraceGuidsW"
-
-#else
-
-ULONG
-(__stdcall * _RegisterTraceGuids) (
- __in IN WMIDPREQUEST RequestAddress,
- __in IN PVOID RequestContext,
- IN LPCGUID ControlGuid,
- IN ULONG GuidCount,
- __in IN PTRACE_GUID_REGISTRATION TraceGuidReg,
- IN LPCSTR MofImagePath,
- IN LPCSTR MofResourceName,
- __out OUT PTRACEHANDLE RegistrationHandle
- );
-
-#define REGISTERTRACEGUIDS_NAME "RegisterTraceGuidsA"
-
-#endif
-
-ULONG
-(__stdcall * _UnregisterTraceGuids) (
- TRACEHANDLE RegistrationHandle
- );
-
-TRACEHANDLE
-(__stdcall * _GetTraceLoggerHandle) (
- __in PVOID Buffer
- );
-
-UCHAR
-(__stdcall * _GetTraceEnableLevel) (
- TRACEHANDLE TraceHandle
- );
-
-ULONG
-(__stdcall * _GetTraceEnableFlags) (
- TRACEHANDLE TraceHandle
- );
-
-ULONG
-(__stdcall * _TraceEvent) (
- TRACEHANDLE TraceHandle,
- __in PEVENT_TRACE_HEADER EventTrace
- );
-
-HINSTANCE _Advapi32;
-
-//
-// Global variables.
-//
-
-BOOL EventTracingAvailable=FALSE;
-ULONG PerflogEnableFlags;
-UCHAR PerflogEnableLevel;
-ULONG PerflogModuleLevel = 0;
-void (*OnStateChanged)(void);
-TRACEHANDLE PerflogTraceHandle=NULL;
-TRACEHANDLE PerflogRegHandle;
-
-// The Win32 wsprintf() function writes a maximum of 1024 characters to it's output buffer.
-// See the documentation for wsprintf()'s lpOut parameter for more information.
-const INT iDEBUGINFO = 1024; // Used to format strings
-
-//
-// This routine initializes performance logging.
-// It should be called from DllMain().
-//
-
-
-VOID
-PerflogReadModuleLevel(
- HINSTANCE hInstance
- )
-{
- LONG lReturn; // Create key return value
- TCHAR szInfo[iDEBUGINFO]; // Constructs key names
- TCHAR szFullName[iDEBUGINFO]; // Load the full path and module name
- HKEY hModuleKey; // Module key handle
- LPTSTR pName; // Searches from the end for a backslash
- DWORD dwKeySize, dwKeyType, dwKeyValue;
-
- DWORD dwSize = GetModuleFileName(
- (hInstance ? hInstance : GetModuleHandle( NULL )),
- szFullName,
- iDEBUGINFO );
-
- if (0 == dwSize || iDEBUGINFO == dwSize) {
- return;
- }
-
- pName = _tcsrchr(szFullName,'\\');
- if (pName == NULL) {
- pName = szFullName;
- } else {
- pName++;
- }
-
- /* Construct the base key name */
- (void)StringCchPrintf(szInfo,NUMELMS(szInfo),TEXT("SOFTWARE\\Debug\\%s"),pName);
-
- /* Open the key for this module */
- lReturn =
- RegOpenKeyEx(
- HKEY_LOCAL_MACHINE, // Handle of an open key
- szInfo, // Address of subkey name
- (DWORD) 0, // Reserved value
- KEY_QUERY_VALUE, // Desired security access
- &hModuleKey ); // Opened handle buffer
-
- if (lReturn != ERROR_SUCCESS) {
- return;
- }
-
- dwKeySize = sizeof(DWORD);
- lReturn = RegQueryValueEx(
- hModuleKey, // Handle to an open key
- TEXT("PERFLOG"),
- NULL, // Reserved field
- &dwKeyType, // Returns the field type
- (LPBYTE) &dwKeyValue, // Returns the field's value
- &dwKeySize ); // Number of bytes transferred
-
- if ((lReturn == ERROR_SUCCESS) && (dwKeyType == REG_DWORD))
- {
- PerflogModuleLevel = dwKeyValue;
- }
-
- RegCloseKey(hModuleKey);
-}
-
-BOOL PerflogInitIfEnabled(
- IN HINSTANCE hInstance,
- __in IN PPERFLOG_LOGGING_PARAMS LogParams
- )
-{
- PerflogReadModuleLevel( hInstance );
- if (PerflogModuleLevel)
- {
- return PerflogInitialize( LogParams );
- }
- else
- {
- return FALSE;
- }
-}
-
-BOOL
-PerflogInitialize (
- __in IN PPERFLOG_LOGGING_PARAMS LogParams
- )
-{
- ULONG status;
-
- //
- // If we're running on a recent-enough platform, this will get
- // pointers to the event tracing routines.
- //
-
- _Advapi32 = GetModuleHandle (_T("ADVAPI32.DLL"));
- if (_Advapi32 == NULL) {
- return FALSE;
- }
-
- *((FARPROC*) &_RegisterTraceGuids) = GetProcAddress (_Advapi32, REGISTERTRACEGUIDS_NAME);
- *((FARPROC*) &_UnregisterTraceGuids) = GetProcAddress (_Advapi32, "UnregisterTraceGuids");
- *((FARPROC*) &_GetTraceLoggerHandle) = GetProcAddress (_Advapi32, "GetTraceLoggerHandle");
- *((FARPROC*) &_GetTraceEnableLevel) = GetProcAddress (_Advapi32, "GetTraceEnableLevel");
- *((FARPROC*) &_GetTraceEnableFlags) = GetProcAddress (_Advapi32, "GetTraceEnableFlags");
- *((FARPROC*) &_TraceEvent) = GetProcAddress (_Advapi32, "TraceEvent");
-
- if (_RegisterTraceGuids == NULL ||
- _UnregisterTraceGuids == NULL ||
- _GetTraceEnableLevel == NULL ||
- _GetTraceEnableFlags == NULL ||
- _TraceEvent == NULL) {
-
- return FALSE;
- }
-
- EventTracingAvailable = TRUE;
-
- OnStateChanged = LogParams->OnStateChanged;
-
- //
- // Register our GUIDs.
- //
-
- status = _RegisterTraceGuids (PerflogCallback,
- LogParams,
- &LogParams->ControlGuid,
- LogParams->NumberOfTraceGuids,
- LogParams->TraceGuids,
- NULL,
- NULL,
- &PerflogRegHandle);
-
- return (status == ERROR_SUCCESS);
-}
-
-//
-// This routine shuts down performance logging.
-//
-
-VOID
-PerflogShutdown (
- VOID
- )
-{
- if (!EventTracingAvailable) {
- return;
- }
-
- _UnregisterTraceGuids (PerflogRegHandle);
- PerflogRegHandle = NULL;
- PerflogTraceHandle = NULL;
-}
-
-//
-// Event tracing callback routine.
-// It's called when controllers call event tracing control functions.
-//
-
-ULONG
-WINAPI
-PerflogCallback (
- WMIDPREQUESTCODE RequestCode,
- __in PVOID Context,
- __out ULONG* BufferSize,
- __in PVOID Buffer
- )
-{
- ULONG status;
-
- UNREFERENCED_PARAMETER (Context);
-
- ASSERT (EventTracingAvailable);
-
- status = ERROR_SUCCESS;
-
- switch (RequestCode) {
-
- case WMI_ENABLE_EVENTS:
- PerflogTraceHandle = _GetTraceLoggerHandle (Buffer);
- PerflogEnableFlags = _GetTraceEnableFlags (PerflogTraceHandle);
- PerflogEnableLevel = _GetTraceEnableLevel (PerflogTraceHandle);
- break;
-
- case WMI_DISABLE_EVENTS:
- PerflogTraceHandle = NULL;
- PerflogEnableFlags = 0;
- PerflogEnableLevel = 0;
- break;
-
- default:
- status = ERROR_INVALID_PARAMETER;
- }
-
- if (OnStateChanged != NULL) {
- OnStateChanged();
- }
-
- *BufferSize = 0;
- return status;
-}
-
-//
-// Logging routine.
-//
-
-VOID
-PerflogTraceEvent (
- __in PEVENT_TRACE_HEADER Event
- )
-{
- if (!EventTracingAvailable) {
- return;
- }
-
- _TraceEvent (PerflogTraceHandle, Event);
-}
-
-VOID
-PerflogTraceEventLevel(
- ULONG Level,
- __in PEVENT_TRACE_HEADER Event
- )
-{
- if ((!EventTracingAvailable) || (Level <= PerflogModuleLevel)) {
- return;
- }
-
- _TraceEvent (PerflogTraceHandle, Event);
-}
-
-
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