cmtime.zip_player_wince player

/* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. This is "Sample Code" and is distributable subject to the terms of the end user license agreement. */ /////////////////////////////////////////////////////////////////////////////// // // CMTime.CPP // // Connects to a time server using connection manager // #define WIN32_LEAN_AND_MEAN #include <windows.h> #include <winsock.h> #include <connmgr.h> #include <winuserm.h> #include <commctrl.h> #include <aygshell.h> #include "resource.h" #define ARRAY_LENGTH(x) (sizeof(x)/sizeof((x)[0])) // some constants #define HIGHTIME 21968699 // 21968708 // Jan 1, 1900 FILETIME.highTime #define LOWTIME 4259332096 // 1604626432 // Jan 1, 1900 FILETIME.lowtime #define EINITFAILED (-1) // global variables HINSTANCE g_hInst; LPCTSTR g_lpctszTitle; /* *************************************************************************** */ // IP address of "time-a.timefreq.bldrdoc.gov", replace with IP of server running time server. (RFC-868) // If using the timeserver.exe application supplied in the SDK, set this to the IP address // of the computer running timeserver.exe // Note: Accessing time servers on the Internet requires that Port 37 be opened on you router // or you may need to run special client software depending on your network configuration. // Talk to your network administrator or help desk for more information in_addr g_in_addr = { (unsigned char)132, (unsigned char)163, (unsigned char)4, (unsigned char)102 }; /* *************************************************************************** */ typedef struct { HWND hwndNetwork; //Network spinner HANDLE hConnection; //Connection handle UINT WM_CMEVENT; //Registered Window Message } SConnection; static void DestroyConnection( SConnection *lpConnection ) { // If a connection exists, destroy it if(NULL != lpConnection->hConnection) { ConnMgrReleaseConnection(lpConnection->hConnection, FALSE); lpConnection->hConnection = NULL; } } static HRESULT EstablishConnection( HWND hDlg, SConnection *lpConnection ) { int iNetwork; HRESULT hResult = E_FAIL; // cleanup the old connection DestroyConnection(lpConnection); // get the right network to connect to iNetwork = SendMessage(lpConnection->hwndNetwork, LB_GETCURSEL, 0, 0); if(LB_ERR != iNetwork) { CONNMGR_DESTINATION_INFO DestInfo; hResult = ConnMgrEnumDestinations(iNetwork, &DestInfo); if(SUCCEEDED(hResult)) { // actually try to establish the connection CONNMGR_CONNECTIONINFO ConnInfo; ZeroMemory(&ConnInfo, sizeof(ConnInfo)); ConnInfo.cbSize = sizeof(ConnInfo); ConnInfo.dwParams = CONNMGR_PARAM_GUIDDESTNET; ConnInfo.dwPriority = CONNMGR_PRIORITY_USERBACKGROUND; ConnInfo.guidDestNet = DestInfo.guid; ConnInfo.hWnd = hDlg; ConnInfo.uMsg = lpConnection->WM_CMEVENT; hResult = ConnMgrEstablishConnection(&ConnInfo, &lpConnection->hConnection); // check to see if the attempt failed if(FAILED(hResult)) { TCHAR tszBuffer[256]; FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY, (LPCTSTR)LoadString(g_hInst, IDS_CONNMGR_ESTABLISH_FAILED, 0, 0), 0, 0, tszBuffer, ARRAY_LENGTH(tszBuffer), (va_list*)&hResult); MessageBox(NULL, tszBuffer, g_lpctszTitle, MB_OK); } } } return hResult; } static BOOL GetTimeFromServer( DWORD *lpdwTime ) { *lpdwTime = 0; BOOL bReturn= FALSE; // set up a TCP socket SOCKET sSock = socket(AF_INET, SOCK_STREAM, 0); if(INVALID_SOCKET != sSock) { struct sockaddr_in sin; // set up a sockaddr for the destination address memcpy(&sin.sin_addr, &g_in_addr, sizeof(sin.sin_addr)); sin.sin_family = AF_INET; sin.sin_port = htons(IPPORT_TIMESERVER); // try to connect if(0 == connect(sSock, (struct sockaddr *) &sin, sizeof(struct sockaddr_in))) { int iResult, iRead; // Read 4 bytes from the time server for(iRead = 0; iRead < 4; iRead += iResult) { iResult = recv(sSock, (char*)lpdwTime + iRead, 4 - iRead, 0); if(iResult < 1) break; } if(4 == iRead) { // swap the bytes round from Network to Host order *lpdwTime = ntohl(*lpdwTime); bReturn = TRUE; } } closesocket(sSock); } return bReturn; } static BOOL UpdateSysTime( DWORD dwTime ) { UINT64 uiCurTime, uiBaseTime, uiResult; SYSTEMTIME st; // January 1, 1900 uiBaseTime = ((UINT64) HIGHTIME << 32) + LOWTIME; // convert dwTime to 100 nanosecond intervals uiCurTime = (UINT64)dwTime * (UINT64)10000000; uiResult = uiBaseTime + uiCurTime; FileTimeToSystemTime((LPFILETIME)&uiResult, &st); return SetSystemTime(&st); } static BOOL InitDialog( const HWND hDlg, UINT nToolBarId ) { // Specify that the dialog box should stretch full screen SHINITDLGINFO shidi; ZeroMemory(&shidi, sizeof(shidi)); shidi.dwMask = SHIDIM_FLAGS; shidi.dwFlags = SHIDIF_SIZEDLGFULLSCREEN; shidi.hDlg = hDlg; // set up Soft Keys menu SHMENUBARINFO mbi; ZeroMemory(&mbi, sizeof(SHMENUBARINFO)); mbi.cbSize = sizeof(SHMENUBARINFO); mbi.hwndParent = hDlg; mbi.nToolBarId = nToolBarId; mbi.hInstRes = g_hInst; // If we could not initialize the dialog box, return an error if(FALSE == (SHInitDialog(&shidi) && SHCreateMenuBar(&mbi))) { return FALSE; } // set the title bar VERIFY(SetWindowText(hDlg, g_lpctszTitle)); // In order to make Back work properly, it's necessary to // override it and then call the appropriate SH API (void)SendMessage(mbi.hwndMB, SHCMBM_OVERRIDEKEY, VK_TBACK, MAKELPARAM(SHMBOF_NODEFAULT | SHMBOF_NOTIFY, SHMBOF_NODEFAULT | SHMBOF_NOTIFY)); return TRUE; } static BOOL CALLBACK DialogProc( const HWND hDlg, const UINT uiMessage, const WPARAM wParam, const LPARAM lParam) { BOOL bProcessedMsg = TRUE; SConnection *lpConnection = (SConnection*)GetWindowLong(hDlg, DWL_USER); switch(uiMessage) { case WM_INITDIALOG: { int iResult, i; WSADATA wsaData; CONNMGR_DESTINATION_INFO DestInfo; SetWindowLong(hDlg, DWL_USER, lParam); lpConnection = (SConnection*)lParam; // make the dialog full screen and init the menubar if(FALSE == InitDialog(hDlg, IDR_CMTIME_MENUBAR)) { EndDialog(hDlg, EINITFAILED); return TRUE; } // create a message to use for CM events if(!(lpConnection->WM_CMEVENT = RegisterWindowMessage(TEXT("CM Event")))) { EndDialog(hDlg, EINITFAILED); return TRUE; } // Init network ID control VERIFY(lpConnection->hwndNetwork = GetDlgItem(hDlg, IDC_CMTIME_NETWORK)); for(i = 0; SUCCEEDED(ConnMgrEnumDestinations(i, &DestInfo)); i++) { iResult = SendMessage(lpConnection->hwndNetwork, LB_INSERTSTRING, i, (LPARAM)DestInfo.szDescription); if(LB_ERR == iResult) { EndDialog(hDlg, EINITFAILED); return TRUE; } } // select the first element of the network control SendMessage(lpConnection->hwndNetwork, LB_SETCURSEL, 0, 0); // initialize Winsock iResult = WSAStartup(MAKEWORD(1, 1), &wsaData); if (iResult) { EndDialog(hDlg, EINITFAILED); return TRUE; } } break; case WM_COMMAND: switch (wParam) { case IDM_CMTIME_QUIT: EndDialog(hDlg, 0); break; case IDM_CMTIME_CONNECT: SetDlgItemText(hDlg, IDC_CMTIME_TSTATUS, NULL); SetDlgItemText(hDlg, IDC_CMTIME_STATUS, (LPCTSTR)LoadString(g_hInst, IDS_S