?? tapifax.cpp
字號:
#include "stdafx.h"
#include "FAXRECV.h"
#include "FAXRECVDlg.h"
#include "..\\include\\SmarFaxh.h"
#include "tapifax.h"
time_t g_tInitTime;
DWORD g_dwNumDevs;
DWORD g_dwTAPIVer= 0x00020000;
LINEINITIALIZEEXPARAMS lineInitializeExParams;
#define TAPI_MAX_VERSION 0x0FFF0FFF
// Public available define
HANDLE hIOCP; /* handle for IO Completion port */
HLINEAPP g_hLineApp = NULL;
BOOL g_bShuttingDown = FALSE;
BOOL g_bStoppingCall = FALSE;
BOOL g_bInitializing = FALSE;
// This sample only supports one call in progress at a time.
BOOL g_bTapiInUse = FALSE;
// Data needed per call. This sample only supports one call.
HCALL g_hCall = NULL;
HLINE g_hLine = NULL;
BOOL g_bConnected = FALSE;
DWORD dwAPIVersion;
#pragma comment(lib, "Tapi32.lib")
BOOL InitializeTAPI(DWORD dwDeviceID)
{
long lReturn;
BOOL bTryReInit = TRUE;
HINSTANCE hInstance;
// If we're already initialized, then initialization succeeds.
if (g_hLineApp)
return TRUE;
if(g_bTapiInUse)
return TRUE;
// If we're in the middle of initializing, then fail, we're not done.
if (g_bInitializing)
return FALSE;
g_bInitializing = TRUE;
hInstance = GetModuleHandle(NULL);
LPLINEDEVCAPS lpDevCaps = NULL;
// Initialize TAPI
do
{
#if TAPI_CURRENT_VERSION >= 0x00020000
memset(&lineInitializeExParams, 0, sizeof(LINEINITIALIZEEXPARAMS));
// Populate the options...
lineInitializeExParams.dwTotalSize = sizeof(LINEINITIALIZEEXPARAMS);
lineInitializeExParams.dwOptions = LINEINITIALIZEEXOPTION_USEHIDDENWINDOW;
dwAPIVersion = TAPI_CURRENT_VERSION;
lReturn = lineInitializeEx(&g_hLineApp, hInstance, lineCallbackFunc,
"SmartFaxSample", &g_dwNumDevs,
&dwAPIVersion, &lineInitializeExParams);
#else
// Note that you can't use this function and be UNICODE
lReturn = lineInitialize(&g_hLineApp, hInstance,
lineCallbackFunc, "SmartFaxSample", &g_dwNumDevs);
#endif
// If we get this error, its because some other app has yet
// to respond to the REINIT message. Wait 5 seconds and try
// again. If it still doesn't respond, tell the user.
if (lReturn == LINEERR_REINIT)
{
if (bTryReInit)
{
MSG msg;
DWORD dwTimeStarted;
dwTimeStarted = GetTickCount();
while(GetTickCount() - dwTimeStarted < 5000)
{
if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
bTryReInit = FALSE;
continue;
}
else
{
AfxMessageBox("A change to the system configuration requires that "
"all Telephony applications relinquish their use of "
"Telephony before any can progress. "
"Some have not yet done so.");
g_bInitializing = FALSE;
return FALSE;
}
}
if (lReturn == LINEERR_NODEVICE)
{
AfxMessageBox("No devices installed.\n");
g_bInitializing = FALSE;
return FALSE;
}
else if(lReturn != SUCCESS)
{
AfxMessageBox("lineInitialize error: ");
g_bInitializing = FALSE;
return FALSE;
}
} while(lReturn != SUCCESS);
LINEEXTENSIONID LineExtensionID;
if (lReturn = lineNegotiateAPIVersion(g_hLineApp, dwDeviceID,
0x00010004, TAPI_MAX_VERSION, &dwAPIVersion, &LineExtensionID))
{
TRACE(TEXT("lineNegotiateAPIVersion failed: %s.\r\n"), FormatTapiError(lReturn));
g_bInitializing = FALSE;
return FALSE;
}
lpDevCaps = (LINEDEVCAPS *)malloc(sizeof(LINEDEVCAPS)+1000); // Allocate a little extra memory...
if(!lpDevCaps)
{
TRACE("Out of memory \n");
g_bInitializing = FALSE;
return FALSE;
}
memset(lpDevCaps, 0, sizeof(LINEDEVCAPS)+1000);
lpDevCaps->dwTotalSize = sizeof(LINEDEVCAPS)+1000;
if( (lReturn = lineGetDevCaps(g_hLineApp, dwDeviceID, dwAPIVersion,0,lpDevCaps)) != SUCCESS)
{
TRACE(TEXT("lineGetDevCaps failed: %s.\r\n"), FormatTapiError(lReturn));
free(lpDevCaps);
g_bInitializing = FALSE;
return FALSE;
}
if (!(lpDevCaps->dwMediaModes & LINEMEDIAMODE_DATAMODEM))
{
TRACE("The selected line doesn't support DATAMODEM capabilities\n");
free(lpDevCaps);
g_bInitializing = FALSE;
return FALSE;
}
free(lpDevCaps);
g_tInitTime = time(NULL);
if (lReturn = lineOpen(g_hLineApp, dwDeviceID, &g_hLine, dwAPIVersion, 0, g_tInitTime,
LINECALLPRIVILEGE_OWNER,LINEMEDIAMODE_DATAMODEM, NULL))
{
TRACE(TEXT("lineOpen failed: %s.\r\n"), FormatTapiError(lReturn));
if(0x80000048)
{
AfxMessageBox("TAPI modem is not accessiable,Modem may be in user.");
}
g_bInitializing = FALSE;
return FALSE;
}
if( (lReturn = lineSetStatusMessages(g_hLine, 0x1ffffff, 0) ) )
{
TRACE(TEXT("lineOpen failed: %s.\r\n"), FormatTapiError(lReturn));
g_bInitializing = FALSE;
return FALSE;
}
g_bInitializing = FALSE;
g_bTapiInUse = TRUE;
return TRUE;
}
//
// FUNCTION: BOOL ShutdownTAPI()
//
// PURPOSE: Shuts down all use of TAPI
//
// PARAMETERS:
// None
//
// RETURN VALUE:
// True if TAPI successfully shut down.
//
// COMMENTS:
//
// If ShutdownTAPI fails, then its likely either a problem
// with the service provider (and might require a system
// reboot to correct) or the application ran out of memory.
//
//
BOOL ShutdownTAPI()
{
long lReturn;
// If we aren't initialized, then Shutdown is unnecessary.
if (g_hLineApp == NULL)
return TRUE;
// Prevent ShutdownTAPI re-entrancy problems.
if (g_bShuttingDown)
return TRUE;
g_bShuttingDown = TRUE;
lineDrop(g_hCall, NULL, 0);
lineDeallocateCall(g_hCall);
lineClose(g_hLine);
do
{
lReturn = lineShutdown(g_hLineApp);
if(lReturn != SUCCESS )
TRACE("lineShutdown unhandled error: ");
} while(lReturn != SUCCESS);
g_bTapiInUse = FALSE;
g_bConnected = FALSE;
g_hLineApp = NULL;
g_hCall = NULL;
g_hLine = NULL;
g_bShuttingDown = FALSE;
TRACE("TAPI uninitialized.\n");
return TRUE;
}
#define CHAN_DEBUG_PRINT TRACE
VOID FAR PASCAL lineCallbackFunc(DWORD dwDevice, DWORD dwMsg, DWORD dwCallbackInstance, DWORD dwParam1, DWORD dwParam2, DWORD dwParam3)
{
TRACE(" get the dwDevice %d \n",dwDevice);
TRACE(" get the dwMessageID %d \n",dwMsg);
TRACE(" get the dwCallbackInstance %d \n",dwCallbackInstance);
TRACE(" get the dwParam1 %d \n",dwParam1);
TRACE(" get the dwParam2 %d \n",dwParam2);
TRACE(" get the dwParam3 %d \n",dwParam3);
TRACE("----------------------------------------------\n");
static int n_RingTimes = 0 ;
if(g_tInitTime !=(time_t)dwCallbackInstance)
return ;
switch(dwMsg)
{
case LINE_CALLSTATE:
{
switch(dwParam1)
{
case LINECALLSTATE_IDLE:
{
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_IDLE\n");
lineDeallocateCall((HCALL) dwDevice);
n_RingTimes = 0;
if(g_FaxDialog&&IsWindow(g_FaxDialog->GetSafeHwnd()))
{
g_FaxDialog->PostMessage(WM_SMARTFAX,WM_FAXMONITORSTART,0);
}
}
break;
case LINECALLSTATE_CONNECTED:
{
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_CONNECTED\n");
if(g_FaxDialog&&IsWindow(g_FaxDialog->GetSafeHwnd()))
{
g_FaxDialog->RecvFaxInTapi();
}
}
break;
case LINECALLSTATE_DISCONNECTED:
{
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_DISCONNECTED\n");
lineDrop((HCALL) dwDevice, NULL, 0);
n_RingTimes = 0;
}
break;
case LINECALLSTATE_CONFERENCED:
{
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_CONFERENCED\n");
n_RingTimes = 0;
}
break;
case LINECALLSTATE_OFFERING:
{
g_hCall = (HCALL) dwDevice;
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_OFFERING -------------------\n");
n_RingTimes = 0;
}
break;
case LINECALLSTATE_ACCEPTED:
{
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_ACCEPTED\n");
g_hCall = (HCALL) dwDevice;
}
break;
}
break;
}
case LINE_CLOSE:
CHAN_DEBUG_PRINT("get Tapi msg LINE_CLOSE\n");
n_RingTimes = 0;
break;
case LINE_LINEDEVSTATE:
{
switch(dwParam1)
{
case LINECALLSTATE_IDLE:
{
CHAN_DEBUG_PRINT("get Tapi msg LINECALLSTATE_IDLE ..........\n ");
n_RingTimes = 0;
}
break;
case LINEDEVSTATE_RINGING:
{
CHAN_DEBUG_PRINT("get Tapi msg LINEDEVSTATE_RINGING\n");
if(g_FaxDialog&&IsWindow(g_FaxDialog->GetSafeHwnd()))
{
g_FaxDialog->PostMessage(WM_SMARTFAX,WM_FAXRING,n_RingTimes++);
}
}
break;
}
break;
}
} // End switch(dwMsg)
}
// Turn a TAPI Line error into a printable string.
LPTSTR FormatTapiError (long lError)
{
static LPTSTR pszLineError[] =
{
TEXT("LINEERR No Error"),
TEXT("LINEERR_ALLOCATED"),
TEXT("LINEERR_BADDEVICEID"),
TEXT("LINEERR_BEARERMODEUNAVAIL"),
TEXT("LINEERR Unused constant, ERROR!!"),
TEXT("LINEERR_CALLUNAVAIL"),
TEXT("LINEERR_COMPLETIONOVERRUN"),
TEXT("LINEERR_CONFERENCEFULL"),
TEXT("LINEERR_DIALBILLING"),
TEXT("LINEERR_DIALDIALTONE"),
TEXT("LINEERR_DIALPROMPT"),
TEXT("LINEERR_DIALQUIET"),
TEXT("LINEERR_INCOMPATIBLEAPIVERSION"),
TEXT("LINEERR_INCOMPATIBLEEXTVERSION"),
TEXT("LINEERR_INIFILECORRUPT"),
TEXT("LINEERR_INUSE"),
TEXT("LINEERR_INVALADDRESS"),
TEXT("LINEERR_INVALADDRESSID"),
TEXT("LINEERR_INVALADDRESSMODE"),
TEXT("LINEERR_INVALADDRESSSTATE"),
TEXT("LINEERR_INVALAPPHANDLE"),
TEXT("LINEERR_INVALAPPNAME"),
TEXT("LINEERR_INVALBEARERMODE"),
TEXT("LINEERR_INVALCALLCOMPLMODE"),
TEXT("LINEERR_INVALCALLHANDLE"),
TEXT("LINEERR_INVALCALLPARAMS"),
TEXT("LINEERR_INVALCALLPRIVILEGE"),
TEXT("LINEERR_INVALCALLSELECT"),
TEXT("LINEERR_INVALCALLSTATE"),
TEXT("LINEERR_INVALCALLSTATELIST"),
TEXT("LINEERR_INVALCARD"),
TEXT("LINEERR_INVALCOMPLETIONID"),
TEXT("LINEERR_INVALCONFCALLHANDLE"),
TEXT("LINEERR_INVALCONSULTCALLHANDLE"),
TEXT("LINEERR_INVALCOUNTRYCODE"),
TEXT("LINEERR_INVALDEVICECLASS"),
TEXT("LINEERR_INVALDEVICEHANDLE"),
TEXT("LINEERR_INVALDIALPARAMS"),
TEXT("LINEERR_INVALDIGITLIST"),
TEXT("LINEERR_INVALDIGITMODE"),
TEXT("LINEERR_INVALDIGITS"),
TEXT("LINEERR_INVALEXTVERSION"),
TEXT("LINEERR_INVALGROUPID"),
TEXT("LINEERR_INVALLINEHANDLE"),
TEXT("LINEERR_INVALLINESTATE"),
TEXT("LINEERR_INVALLOCATION"),
TEXT("LINEERR_INVALMEDIALIST"),
TEXT("LINEERR_INVALMEDIAMODE"),
TEXT("LINEERR_INVALMESSAGEID"),
TEXT("LINEERR Unused constant, ERROR!!"),
TEXT("LINEERR_INVALPARAM"),
TEXT("LINEERR_INVALPARKID"),
TEXT("LINEERR_INVALPARKMODE"),
TEXT("LINEERR_INVALPOINTER"),
TEXT("LINEERR_INVALPRIVSELECT"),
TEXT("LINEERR_INVALRATE"),
TEXT("LINEERR_INVALREQUESTMODE"),
TEXT("LINEERR_INVALTERMINALID"),
TEXT("LINEERR_INVALTERMINALMODE"),
TEXT("LINEERR_INVALTIMEOUT"),
TEXT("LINEERR_INVALTONE"),
TEXT("LINEERR_INVALTONELIST"),
TEXT("LINEERR_INVALTONEMODE"),
TEXT("LINEERR_INVALTRANSFERMODE"),
TEXT("LINEERR_LINEMAPPERFAILED"),
TEXT("LINEERR_NOCONFERENCE"),
TEXT("LINEERR_NODEVICE"),
TEXT("LINEERR_NODRIVER"),
TEXT("LINEERR_NOMEM"),
TEXT("LINEERR_NOREQUEST"),
TEXT("LINEERR_NOTOWNER"),
TEXT("LINEERR_NOTREGISTERED"),
TEXT("LINEERR_OPERATIONFAILED"),
TEXT("LINEERR_OPERATIONUNAVAIL"),
TEXT("LINEERR_RATEUNAVAIL"),
TEXT("LINEERR_RESOURCEUNAVAIL"),
TEXT("LINEERR_REQUESTOVERRUN"),
TEXT("LINEERR_STRUCTURETOOSMALL"),
TEXT("LINEERR_TARGETNOTFOUND"),
TEXT("LINEERR_TARGETSELF"),
TEXT("LINEERR_UNINITIALIZED"),
TEXT("LINEERR_USERUSERINFOTOOBIG"),
TEXT("LINEERR_REINIT"),
TEXT("LINEERR_ADDRESSBLOCKED"),
TEXT("LINEERR_BILLINGREJECTED"),
TEXT("LINEERR_INVALFEATURE"),
TEXT("LINEERR_NOMULTIPLEINSTANCE")
};
_declspec(thread) static TCHAR szError[512];
DWORD dwError;
HMODULE hTapiUIMod = GetModuleHandle(TEXT("TAPIUI.DLL"));
if (hTapiUIMod)
{
dwError = FormatMessage(FORMAT_MESSAGE_FROM_HMODULE,
(LPCVOID)hTapiUIMod, TAPIERROR_FORMATMESSAGE(lError),
0, szError, sizeof(szError)/sizeof(TCHAR), NULL);
if (dwError)
return szError;
}
// Strip off the high bit to make the error code positive.
dwError = (DWORD)lError & 0x7FFFFFFF;
if ((lError > 0) || (dwError > sizeof(pszLineError)/sizeof(pszLineError[0])))
{
wsprintf(szError, TEXT("Unknown TAPI error code: 0x%lx"), lError);
return szError;
}
return pszLineError[dwError];
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