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      1 /**
      2  * This file has no copyright assigned and is placed in the Public Domain.
      3  * This file is part of the mingw-w64 runtime package.
      4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
      5  */
      6 #ifndef TIMEPROV_H
      7 #define TIMEPROV_H
      8 
      9 #ifdef __cplusplus
     10 extern "C" {
     11 #endif
     12 
     13 #define wszW32TimeRegKeyTimeProviders L"System\\CurrentControlSet\\Services\\W32Time\\TimeProviders"
     14 #define wszW32TimeRegKeyPolicyTimeProviders L"Software\\Policies\\Microsoft\\W32Time\\TimeProviders"
     15 #define wszW32TimeRegValueEnabled L"Enabled"
     16 #define wszW32TimeRegValueDllName L"DllName"
     17 #define wszW32TimeRegValueInputProvider L"InputProvider"
     18 
     19 #define TSF_Hardware 0x00000001
     20 #define TSF_Authenticated 0x00000002
     21 
     22   typedef enum TimeProvCmd {
     23     TPC_TimeJumped,TPC_UpdateConfig,TPC_PollIntervalChanged,TPC_GetSamples,TPC_NetTopoChange,TPC_Query,TPC_Shutdown
     24   } TimeProvCmd;
     25 
     26   typedef enum TimeSysInfo {
     27     TSI_LastSyncTime,TSI_ClockTickSize,TSI_ClockPrecision,TSI_CurrentTime,TSI_PhaseOffset,TSI_TickCount,TSI_LeapFlags,TSI_Stratum,
     28     TSI_ReferenceIdentifier,TSI_PollInterval,TSI_RootDelay,TSI_RootDispersion,TSI_TSFlags
     29   } TimeSysInfo;
     30 
     31   typedef enum TimeJumpedFlags {
     32     TJF_Default=0,TJF_UserRequested=1
     33   } TimeJumpedFlags;
     34 
     35   typedef enum NetTopoChangeFlags {
     36     NTC_Default=0,NTC_UserRequested=1
     37   } NetTopoChangeFlags;
     38 
     39   typedef enum TimeProvState {
     40     TPS_Running,TPS_Error
     41   } TimeProvState;
     42 
     43   struct SetProviderStatusInfo;
     44 
     45   typedef void (WINAPI SetProviderStatusInfoFreeFunc)(struct SetProviderStatusInfo *pspsi);
     46 
     47   typedef struct SetProviderStatusInfo {
     48     TimeProvState tpsCurrentState;
     49     DWORD dwStratum;
     50     LPWSTR wszProvName;
     51     HANDLE hWaitEvent;
     52     SetProviderStatusInfoFreeFunc *pfnFree;
     53     HRESULT *pHr;
     54     DWORD *pdwSysStratum;
     55   } SetProviderStatusInfo;
     56 
     57   typedef HRESULT (WINAPI GetTimeSysInfoFunc)(TimeSysInfo eInfo,void *pvInfo);
     58   typedef HRESULT (WINAPI LogTimeProvEventFunc)(WORD wType,WCHAR *wszProvName,WCHAR *wszMessage);
     59   typedef HRESULT (WINAPI AlertSamplesAvailFunc)(void);
     60   typedef HRESULT (WINAPI SetProviderStatusFunc)(SetProviderStatusInfo *pspsi);
     61 
     62   typedef struct TimeProvSysCallbacks {
     63     DWORD dwSize;
     64     GetTimeSysInfoFunc *pfnGetTimeSysInfo;
     65     LogTimeProvEventFunc *pfnLogTimeProvEvent;
     66     AlertSamplesAvailFunc *pfnAlertSamplesAvail;
     67     SetProviderStatusFunc *pfnSetProviderStatus;
     68   } TimeProvSysCallbacks;
     69 
     70   typedef void *TimeProvArgs;
     71 
     72   typedef struct TimeSample {
     73     DWORD dwSize;
     74     DWORD dwRefid;
     75     __MINGW_EXTENSION signed __int64 toOffset;
     76     __MINGW_EXTENSION signed __int64 toDelay;
     77     __MINGW_EXTENSION unsigned __int64 tpDispersion;
     78     __MINGW_EXTENSION unsigned __int64 nSysTickCount;
     79     __MINGW_EXTENSION signed __int64 nSysPhaseOffset;
     80     BYTE nLeapFlags;
     81     BYTE nStratum;
     82     DWORD dwTSFlags;
     83     WCHAR wszUniqueName[256];
     84   } TimeSample;
     85 
     86   typedef struct TpcGetSamplesArgs {
     87     BYTE *pbSampleBuf;
     88     DWORD cbSampleBuf;
     89     DWORD dwSamplesReturned;
     90     DWORD dwSamplesAvailable;
     91   } TpcGetSamplesArgs;
     92 
     93   typedef struct TpcTimeJumpedArgs {
     94     TimeJumpedFlags tjfFlags;
     95   } TpcTimeJumpedArgs;
     96 
     97   typedef struct TpcNetTopoChangeArgs {
     98     NetTopoChangeFlags ntcfFlags;
     99   } TpcNetTopoChangeArgs;
    100 
    101   typedef void *TimeProvHandle;
    102 
    103   HRESULT WINAPI TimeProvOpen(WCHAR *wszName,TimeProvSysCallbacks *pSysCallbacks,TimeProvHandle *phTimeProv);
    104   HRESULT WINAPI TimeProvCommand(TimeProvHandle hTimeProv,TimeProvCmd eCmd,TimeProvArgs pvArgs);
    105   HRESULT WINAPI TimeProvClose(TimeProvHandle hTimeProv);
    106 
    107 #ifdef __cplusplus
    108 }
    109 #endif
    110 #endif
    111