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2738 lines
73 KiB
2738 lines
73 KiB
/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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tapi.c
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Abstract:
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This module wraps all of the TAPI calls.
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Author:
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Wesley Witt (wesw) 22-Jan-1996
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Revision History:
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--*/
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#include "faxsvc.h"
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#pragma hdrstop
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//
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// globals
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//
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HLINEAPP hLineApp; // application line handle
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DWORD TapiApiVersion; //
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HANDLE TapiCompletionPort; //
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DWORD DeviceInstalled; //
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CRITICAL_SECTION CsLine; // critical section for accessing tapi lines
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DWORD TapiDevices; // number of tapi devices
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DWORD DeviceCount; // number of devices in the TapiLinesListHead
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LIST_ENTRY TapiLinesListHead; // linked list of tapi lines
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LPBYTE AdaptiveFileBuffer; // list of approved adaptive answer modems
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extern LONG ConnectionCount;
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#include "modem.c"
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BOOL
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AddNewDevice(
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DWORD DeviceId,
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LPLINEDEVCAPS LineDevCaps,
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BOOL InitDevice
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);
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DWORD
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InitializeTapiLine(
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DWORD DeviceId,
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LPLINEDEVCAPS LineDevCaps,
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DWORD Priority,
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DWORD Rings,
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DWORD Flags,
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LPTSTR Csid,
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LPTSTR Tsid
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);
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LPTSTR
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FixupDeviceName(
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LPTSTR OrigDeviceName
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)
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{
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LPTSTR NewDeviceName;
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LPTSTR p;
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NewDeviceName = StringDup( OrigDeviceName );
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if (!NewDeviceName) {
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return NULL;
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}
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p = _tcschr( NewDeviceName, TEXT(',') );
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if (!p) {
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return NewDeviceName;
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}
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p = NewDeviceName;
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while( p ) {
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p = _tcschr( p, TEXT(',') );
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if (p) {
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*p = TEXT('_');
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}
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}
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return NewDeviceName;
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}
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VOID
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FreeTapiLine(
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PLINE_INFO LineInfo
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)
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{
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HLINE hLine = 0;
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if (!LineInfo) {
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return;
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}
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if (LineInfo->hLine) {
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hLine = LineInfo->hLine;
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LineInfo->hLine = 0;
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}
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MemFree( LineInfo->DeviceName );
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MemFree( LineInfo->Tsid );
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MemFree( LineInfo );
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if (hLine) {
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lineClose( hLine );
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}
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}
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int
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__cdecl
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DevicePriorityCompare(
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const void *arg1,
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const void *arg2
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)
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{
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if (((PDEVICE_SORT)arg1)->Priority < ((PDEVICE_SORT)arg2)->Priority) {
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return -1;
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}
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if (((PDEVICE_SORT)arg1)->Priority > ((PDEVICE_SORT)arg2)->Priority) {
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return 1;
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}
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return 0;
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}
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BOOL
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SortDevicePriorities(
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VOID
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)
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{
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PLIST_ENTRY Next;
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PLINE_INFO LineInfo;
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PDEVICE_SORT DeviceSort;
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DWORD i = 0;
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EnterCriticalSection( &CsLine );
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Next = TapiLinesListHead.Flink;
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if (Next == NULL) {
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LeaveCriticalSection( &CsLine );
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return FALSE;
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}
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DeviceSort = (PDEVICE_SORT) MemAlloc( DeviceCount * sizeof(DEVICE_SORT) );
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if (DeviceSort == NULL) {
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LeaveCriticalSection( &CsLine );
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return FALSE;
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}
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while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
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LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
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Next = LineInfo->ListEntry.Flink;
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DeviceSort[i].Priority = LineInfo->Priority;
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DeviceSort[i].LineInfo = LineInfo;
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i += 1;
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}
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qsort(
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(PVOID)DeviceSort,
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(int)DeviceCount,
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sizeof(DEVICE_SORT),
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DevicePriorityCompare
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);
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InitializeListHead( &TapiLinesListHead );
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for (i=0; i<DeviceCount; i++) {
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DeviceSort[i].LineInfo->Priority = i + 1;
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DeviceSort[i].LineInfo->ListEntry.Flink = NULL;
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DeviceSort[i].LineInfo->ListEntry.Blink = NULL;
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InsertTailList( &TapiLinesListHead, &DeviceSort[i].LineInfo->ListEntry );
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}
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LeaveCriticalSection( &CsLine );
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MemFree( DeviceSort );
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return TRUE;
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}
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DWORD GetFaxDeviceCount(
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VOID
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)
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/*++
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Routine Description:
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counts the number of installed fax devices
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Arguments:
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NONE.
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Return Value:
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number of devices
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--*/
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{
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DWORD FaxDevices = 0;
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PLIST_ENTRY Next;
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PLINE_INFO LineInfo;
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__try {
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EnterCriticalSection(&CsLine);
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Next = TapiLinesListHead.Flink;
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while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
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LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
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Next = LineInfo->ListEntry.Flink;
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if (LineInfo->PermanentLineID && LineInfo->DeviceName) {
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FaxDevices += 1;
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}
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}
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LeaveCriticalSection(&CsLine);
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} __except (EXCEPTION_EXECUTE_HANDLER) {
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LeaveCriticalSection(&CsLine);
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}
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return FaxDevices;
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}
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BOOL GetDeviceTypeCount(
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LPDWORD SendDevices,
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LPDWORD ReceiveDevices
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)
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/*++
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Routine Description:
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counts the number of devices with receive enabled, number with send enabled
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Arguments:
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SendDevices - receives number of send devices
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ReceiveDevices - receives number of receive devices
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Return Value:
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number of devices
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--*/
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{
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DWORD Rx = 0, Tx = 0;
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PLIST_ENTRY Next;
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PLINE_INFO LineInfo;
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__try {
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EnterCriticalSection(&CsLine);
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Next = TapiLinesListHead.Flink;
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while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
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LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
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Next = LineInfo->ListEntry.Flink;
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if (LineInfo->PermanentLineID && LineInfo->DeviceName) {
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if ((LineInfo->Flags & FPF_SEND) == FPF_SEND) {
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Tx++;
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}
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if ((LineInfo->Flags & FPF_RECEIVE) == FPF_RECEIVE) {
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Rx++;
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}
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}
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}
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LeaveCriticalSection(&CsLine);
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} __except (EXCEPTION_EXECUTE_HANDLER) {
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LeaveCriticalSection(&CsLine);
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}
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if (SendDevices) {
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*SendDevices = Tx;
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}
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if (ReceiveDevices) {
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*ReceiveDevices = Rx;
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}
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return TRUE;
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}
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BOOL
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CommitDeviceChanges(
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VOID
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)
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/*++
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Routine Description:
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commit device changes to registry.
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note that we commit all devices to registry since priority may have changed
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Arguments:
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NONE.
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Return Value:
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TRUE for success.
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--*/
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{
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PLIST_ENTRY Next;
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PLINE_INFO LineInfo;
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__try {
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EnterCriticalSection(&CsLine);
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Next = TapiLinesListHead.Flink;
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while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
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LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
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Next = LineInfo->ListEntry.Flink;
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if (LineInfo->PermanentLineID && LineInfo->DeviceName) {
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RegAddNewFaxDevice(
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LineInfo->DeviceName,
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LineInfo->Provider->ProviderName,
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LineInfo->Csid,
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LineInfo->Tsid,
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LineInfo->Priority,
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LineInfo->PermanentLineID,
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LineInfo->Flags & 0x0fffffff,
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LineInfo->RingsForAnswer,
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-1,
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NULL,
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NULL,
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NULL
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);
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}
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}
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LeaveCriticalSection(&CsLine);
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} __except (EXCEPTION_EXECUTE_HANDLER) {
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LeaveCriticalSection(&CsLine);
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}
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return TRUE;
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}
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ULONG
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TapiWorkerThread(
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LPVOID UnUsed
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)
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/*++
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Routine Description:
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This is worker thread for the FAX service. All queued
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requests are processed here.
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Arguments:
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None.
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Return Value:
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Thread return value.
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--*/
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{
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PLINE_INFO LineInfo;
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BOOL Rval;
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DWORD Bytes;
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ULONG_PTR CompletionKey;
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LPLINEMESSAGE LineMsg = NULL;
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while( TRUE ) {
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if (LineMsg) {
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LocalFree( LineMsg );
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}
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Rval = GetQueuedCompletionStatus(
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TapiCompletionPort,
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&Bytes,
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&CompletionKey,
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(LPOVERLAPPED*) &LineMsg,
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INFINITE
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);
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if (!Rval) {
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Rval = GetLastError();
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LineMsg = NULL;
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DebugPrint(( TEXT("GetQueuedCompletionStatus() failed, ec=0x%08x"), Rval ));
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continue;
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}
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SetThreadExecutionState(ES_SYSTEM_REQUIRED | ES_CONTINUOUS);
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if (CompletionKey == FAXDEV_EVENT_KEY) {
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//
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// this is an event from a fax service provider
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// that has enumerated virtual device(s)
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//
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// the LINEMESSAGE structure must be filled out
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// as follows:
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//
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// LineMsg->hDevice == DeviceId from FaxDevStartJob()
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// LineMsg->dwMessageID == 0
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// LineMsg->dwCallbackInstance == 0
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// LineMsg->dwParam1 == LINEDEVSTATE_RINGING
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// LineMsg->dwParam2 == 0
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// LineMsg->dwParam3 == 0
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//
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EnterCriticalSection( &CsJob );
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EnterCriticalSection( &CsLine );
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LineInfo = GetTapiLineFromDeviceId( (DWORD) LineMsg->hDevice );
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if (!LineInfo) {
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goto next_event;
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}
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if (LineMsg->dwParam1 == LINEDEVSTATE_RINGING) {
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LineInfo->RingCount += 1;
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CreateFaxEvent( LineInfo->PermanentLineID, FEI_RINGING, 0xffffffff );
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if ((LineInfo->Flags & FPF_RECEIVE) && (LineInfo->State == FPS_AVAILABLE)) {
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PJOB_ENTRY JobEntry;
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TCHAR FileName[MAX_PATH];
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//
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// start a fax job
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//
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JobEntry = StartJob( LineInfo->PermanentLineID, JT_RECEIVE, NULL );
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if (JobEntry) {
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//
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// receive the fax
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//
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StartFaxReceive(
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JobEntry,
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0,
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LineInfo,
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FileName,
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sizeof(FileName)
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);
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} else {
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DebugPrint(( TEXT("StartJob() failed, cannot receive incoming fax") ));
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}
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}
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}
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goto next_event;
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}
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LineInfo = (PLINE_INFO) LineMsg->dwCallbackInstance;
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|
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ShowLineEvent(
|
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(HLINE) LineMsg->hDevice,
|
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(HCALL) LineMsg->hDevice,
|
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LineInfo == NULL ? TEXT("*NULL LineInfo*") : (LineInfo->JobEntry == NULL) ? TEXT("*NULL Job*") : NULL,
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LineMsg->dwCallbackInstance,
|
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LineMsg->dwMessageID,
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LineMsg->dwParam1,
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LineMsg->dwParam2,
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LineMsg->dwParam3
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);
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EnterCriticalSection( &CsJob );
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EnterCriticalSection( &CsLine );
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__try {
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|
|
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switch( LineMsg->dwMessageID ) {
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case LINE_ADDRESSSTATE:
|
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|
|
if (LineMsg->dwParam2 == LINEADDRESSSTATE_INUSEONE ||
|
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LineMsg->dwParam2 == LINEADDRESSSTATE_INUSEMANY) {
|
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|
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//
|
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// the port is now unavailable
|
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//
|
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LineInfo->State = FPS_AVAILABLE;
|
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|
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}
|
|
|
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if (LineMsg->dwParam2 == LINEADDRESSSTATE_INUSEZERO) {
|
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|
|
//
|
|
// the port is now available
|
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//
|
|
LineInfo->State = FPS_UNAVAILABLE;
|
|
|
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}
|
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|
|
break;
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|
|
case LINE_CALLINFO:
|
|
break;
|
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|
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case LINE_CALLSTATE:
|
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if (LineMsg->dwParam3 == LINECALLPRIVILEGE_OWNER && LineInfo->JobEntry && LineInfo->JobEntry->HandoffJob) {
|
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//
|
|
// call was just handed off to us
|
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//
|
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if (LineInfo->JobEntry && LineInfo->JobEntry->HandoffJob) {
|
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LineInfo->HandoffCallHandle = (HCALL) LineMsg->hDevice;
|
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SetEvent( LineInfo->JobEntry->hCallHandleEvent );
|
|
}
|
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else {
|
|
lineDeallocateCall( (HCALL) LineMsg->hDevice );
|
|
}
|
|
|
|
}
|
|
if (LineMsg->dwParam1 == LINECALLSTATE_IDLE) {
|
|
ReleaseTapiLine( LineInfo, (HCALL) LineMsg->hDevice );
|
|
LineInfo->NewCall = FALSE;
|
|
CreateFaxEvent( LineInfo->PermanentLineID, FEI_IDLE, 0xffffffff );
|
|
}
|
|
|
|
if (LineInfo->NewCall && LineMsg->dwParam1 != LINECALLSTATE_OFFERING && LineInfo->State == FPS_AVAILABLE) {
|
|
LineInfo->State = FPS_NOT_FAX_CALL;
|
|
LineInfo->NewCall = FALSE;
|
|
}
|
|
break;
|
|
|
|
case LINE_CLOSE:
|
|
//
|
|
// this usually happens when something bad happens to the modem device. before we go off and scare the
|
|
// user with a popup, let's try to revive the device once. Then we can let them know that the device is
|
|
// messed up or powered off.
|
|
//
|
|
DebugPrint(( TEXT("Received a LINE_CLOSE message for device %x [%s]."),
|
|
LineInfo->DeviceId,
|
|
LineInfo->DeviceName ));
|
|
|
|
if (OpenTapiLine( LineInfo )) {
|
|
|
|
DebugPrint(( TEXT("Device [%s] was revived"), LineInfo->DeviceName ));
|
|
LineInfo->Flags &= ~FPF_POWERED_OFF;
|
|
|
|
LineInfo->State = 0;
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE_OK) {
|
|
LineInfo->Flags |= FPF_RECEIVE;
|
|
LineInfo->Flags &= ~FPF_RECEIVE_OK;
|
|
}
|
|
} else {
|
|
//
|
|
// the modem is really messed up or powered off, so it's ok to scare the user. :)
|
|
//
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE) {
|
|
LineInfo->Flags &= ~FPF_RECEIVE;
|
|
LineInfo->Flags |= FPF_RECEIVE_OK;
|
|
}
|
|
LineInfo->Flags |= FPF_POWERED_OFF;
|
|
|
|
LineInfo->State = FPS_OFFLINE;
|
|
|
|
LineInfo->hLine = 0;
|
|
|
|
CreateFaxEvent( LineInfo->PermanentLineID, FEI_MODEM_POWERED_OFF, 0xffffffff );
|
|
|
|
|
|
//
|
|
// put a popup on the currently active desktop
|
|
// we only allow 1 popup per device at a time
|
|
// and we only present the popup twice
|
|
//
|
|
|
|
if (!LineInfo->ModemInUse &&
|
|
LineInfo->ModemPopupActive &&
|
|
LineInfo->ModemPopUps < MAX_MODEM_POPUPS)
|
|
{
|
|
|
|
LineInfo->ModemPopupActive = 0;
|
|
LineInfo->ModemPopUps += 1;
|
|
|
|
ServiceMessageBox(
|
|
GetString( IDS_POWERED_OFF_MODEM ),
|
|
MB_OK | MB_ICONEXCLAMATION | MB_SETFOREGROUND,
|
|
TRUE,
|
|
&LineInfo->ModemPopupActive
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//
|
|
// if we were waiting for a handoff, give up on it!
|
|
//
|
|
if (LineInfo->JobEntry && LineInfo->JobEntry->HandoffJob) {
|
|
LineInfo->HandoffCallHandle = 0;
|
|
SetEvent(LineInfo->JobEntry->hCallHandleEvent);
|
|
}
|
|
|
|
break;
|
|
|
|
case LINE_DEVSPECIFIC:
|
|
break;
|
|
|
|
case LINE_DEVSPECIFICFEATURE:
|
|
break;
|
|
|
|
case LINE_GATHERDIGITS:
|
|
break;
|
|
|
|
case LINE_GENERATE:
|
|
break;
|
|
|
|
case LINE_LINEDEVSTATE:
|
|
if (LineMsg->dwParam1 == LINEDEVSTATE_RINGING) {
|
|
|
|
LineInfo->RingCount = (DWORD)LineMsg->dwParam3 + 1;
|
|
|
|
CreateFaxEvent( LineInfo->PermanentLineID, FEI_RINGING, 0xffffffff );
|
|
|
|
//
|
|
// Pick up the line only if the last inbound job has completed
|
|
//
|
|
|
|
if (LineInfo->State != FPS_AVAILABLE) {
|
|
break;
|
|
}
|
|
|
|
if ((LineInfo->Flags & FPF_RECEIVE) && (LineInfo->State == FPS_AVAILABLE)) {
|
|
|
|
if (LineInfo->LineMsgOffering.hDevice == 0) {
|
|
//
|
|
// wait for the offering message
|
|
//
|
|
break;
|
|
}
|
|
|
|
if ((LineInfo->RingCount > LineInfo->RingsForAnswer) && !LineInfo->JobEntry) {
|
|
|
|
PJOB_ENTRY JobEntry;
|
|
TCHAR FileName[MAX_PATH];
|
|
|
|
//
|
|
// start a fax job
|
|
//
|
|
|
|
JobEntry = StartJob( LineInfo->PermanentLineID, JT_RECEIVE, NULL );
|
|
if (JobEntry) {
|
|
|
|
//
|
|
// receive the fax
|
|
//
|
|
|
|
StartFaxReceive(
|
|
JobEntry,
|
|
(HCALL) LineInfo->LineMsgOffering.hDevice,
|
|
LineInfo,
|
|
FileName,
|
|
sizeof(FileName)
|
|
);
|
|
|
|
} else {
|
|
|
|
DebugPrint(( TEXT("StartJob() failed, cannot receive incoming fax") ));
|
|
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
//
|
|
// we are not supposed to answer the call, so give it to ras
|
|
//
|
|
|
|
HandoffCallToRas( LineInfo, (HCALL) LineInfo->LineMsgOffering.hDevice );
|
|
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LINE_MONITORDIGITS:
|
|
break;
|
|
|
|
case LINE_MONITORMEDIA:
|
|
break;
|
|
|
|
case LINE_MONITORTONE:
|
|
break;
|
|
|
|
case LINE_REPLY:
|
|
if (LineInfo->InitEvent && LineInfo->RequestId == LineMsg->dwParam1) {
|
|
LineInfo->Result = (DWORD)LineMsg->dwParam2;
|
|
SetEvent( LineInfo->InitEvent );
|
|
}
|
|
break;
|
|
|
|
case LINE_REQUEST:
|
|
break;
|
|
|
|
case PHONE_BUTTON:
|
|
break;
|
|
|
|
case PHONE_CLOSE:
|
|
break;
|
|
|
|
case PHONE_DEVSPECIFIC:
|
|
break;
|
|
|
|
case PHONE_REPLY:
|
|
break;
|
|
|
|
case PHONE_STATE:
|
|
break;
|
|
|
|
case LINE_CREATE:
|
|
{
|
|
LPLINEDEVCAPS LineDevCaps;
|
|
LINEEXTENSIONID lineExtensionID;
|
|
DWORD LocalTapiApiVersion;
|
|
DWORD Rslt;
|
|
DWORD DeviceId;
|
|
|
|
DeviceId = (DWORD)LineMsg->dwParam1;
|
|
|
|
|
|
Rslt = lineNegotiateAPIVersion(
|
|
hLineApp,
|
|
DeviceId,
|
|
0x00010003,
|
|
TapiApiVersion,
|
|
&LocalTapiApiVersion,
|
|
&lineExtensionID
|
|
);
|
|
if (Rslt == 0) {
|
|
LineDevCaps = MyLineGetDevCaps( DeviceId );
|
|
if (LineDevCaps) {
|
|
AddNewDevice( DeviceId, LineDevCaps, TRUE );
|
|
MemFree( LineDevCaps );
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PHONE_CREATE:
|
|
break;
|
|
|
|
case LINE_AGENTSPECIFIC:
|
|
break;
|
|
|
|
case LINE_AGENTSTATUS:
|
|
break;
|
|
|
|
case LINE_APPNEWCALL:
|
|
LineInfo->NewCall = TRUE;
|
|
break;
|
|
|
|
case LINE_PROXYREQUEST:
|
|
break;
|
|
|
|
case LINE_REMOVE:
|
|
break;
|
|
|
|
case PHONE_REMOVE:
|
|
break;
|
|
}
|
|
|
|
if (LineInfo && ((!LineInfo->Provider) || (!LineInfo->Provider->FaxDevCallback))) {
|
|
|
|
DebugPrint(( TEXT("Unhandled tapi callback event") ));
|
|
goto next_event;
|
|
|
|
}
|
|
|
|
//
|
|
// call the device provider's line callback function
|
|
//
|
|
|
|
__try {
|
|
|
|
if (LineInfo && LineInfo->JobEntry) {
|
|
|
|
LineInfo->Provider->FaxDevCallback(
|
|
LineInfo->JobEntry ? (HANDLE) LineInfo->JobEntry->InstanceData : NULL,
|
|
LineMsg->hDevice,
|
|
LineMsg->dwMessageID,
|
|
LineMsg->dwCallbackInstance,
|
|
LineMsg->dwParam1,
|
|
LineMsg->dwParam2,
|
|
LineMsg->dwParam3
|
|
);
|
|
|
|
}
|
|
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
|
|
|
DebugPrint(( TEXT("Device provider tapi callback crashed: 0x%08x"), GetExceptionCode() ));
|
|
|
|
}
|
|
|
|
if (LineMsg->dwMessageID == LINE_CALLSTATE && LineMsg->dwParam1 == LINECALLSTATE_OFFERING) {
|
|
// we'll get a LINE_LINEDEVSTATE (RINGING) event, so we'll post the ring event there or we'll get a duplicate event
|
|
//CreateFaxEvent( LineInfo->PermanentLineID, FEI_RINGING, 0xffffffff );
|
|
LineInfo->NewCall = FALSE;
|
|
|
|
if ((LineInfo->Flags & FPF_RECEIVE) && (LineInfo->State == FPS_AVAILABLE)) {
|
|
|
|
if ((LineInfo->RingCount > LineInfo->RingsForAnswer) && !LineInfo->JobEntry) {
|
|
|
|
PJOB_ENTRY JobEntry;
|
|
TCHAR FileName[MAX_PATH];
|
|
|
|
//
|
|
// start a fax job
|
|
//
|
|
|
|
JobEntry = StartJob( LineInfo->PermanentLineID, JT_RECEIVE, NULL );
|
|
if (JobEntry) {
|
|
|
|
//
|
|
// receive the fax
|
|
//
|
|
|
|
StartFaxReceive(
|
|
JobEntry,
|
|
(HCALL) LineMsg->hDevice,
|
|
LineInfo,
|
|
FileName,
|
|
sizeof(FileName)
|
|
);
|
|
|
|
} else {
|
|
|
|
DebugPrint(( TEXT("StartJob() failed, cannot receive incoming fax") ));
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
//
|
|
// save the line msg
|
|
//
|
|
|
|
CopyMemory( &LineInfo->LineMsgOffering, LineMsg, sizeof(LINEMESSAGE) );
|
|
|
|
}
|
|
|
|
|
|
} else {
|
|
|
|
//
|
|
// we are not supposed to answer the call, so give it to ras
|
|
//
|
|
|
|
HandoffCallToRas( LineInfo, (HCALL) LineMsg->hDevice );
|
|
|
|
}
|
|
}
|
|
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
|
|
|
DebugPrint(( TEXT("TapiWorkerThread() crashed: 0x%08x"), GetExceptionCode() ));
|
|
|
|
}
|
|
|
|
next_event:
|
|
LeaveCriticalSection( &CsLine );
|
|
LeaveCriticalSection( &CsJob );
|
|
|
|
SetThreadExecutionState(ES_CONTINUOUS);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
BOOL
|
|
HandoffCallToRas(
|
|
PLINE_INFO LineInfo,
|
|
HCALL hCall
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function will try to hand a call of to RAS.
|
|
We do this under 2 circumstances:
|
|
1) we've answered an incoming call and
|
|
determined that the call is NOT a fax call
|
|
2) the configuration for the line that is
|
|
ringing is not configured for receiving faxes
|
|
If the handoff fails and we have an open job for the
|
|
line, then we have to call the device provider so that
|
|
the line can be put on hook.
|
|
|
|
Arguments:
|
|
|
|
LineInfo - LineInfo structure for the line this call is on
|
|
hCall - TAPI call handle
|
|
|
|
Return Value:
|
|
|
|
TRUE for success
|
|
FALSE for failure
|
|
|
|
--*/
|
|
|
|
{
|
|
LONG Rval;
|
|
|
|
|
|
//
|
|
// need to hand the call off to RAS
|
|
//
|
|
|
|
Rval = lineHandoff(
|
|
hCall,
|
|
RAS_MODULE_NAME,
|
|
LINEMEDIAMODE_DATAMODEM
|
|
);
|
|
if (Rval != 0 && LineInfo && LineInfo->JobEntry) {
|
|
|
|
DebugPrint(( TEXT("lineHandoff() failed, ec=0x%08x"), Rval ));
|
|
|
|
//
|
|
// since the handoff failed we must notify
|
|
// the fsp so that the call can be put onhook
|
|
//
|
|
|
|
__try {
|
|
|
|
LineInfo->Provider->FaxDevAbortOperation(
|
|
(HANDLE) LineInfo->JobEntry->InstanceData
|
|
);
|
|
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
|
|
|
DebugPrint(( TEXT("FaxDevAbortOperation() failed: 0x%08x"), GetExceptionCode() ));
|
|
|
|
}
|
|
|
|
} else {
|
|
DebugPrint(( TEXT("call handed off to RAS") ));
|
|
}
|
|
|
|
return Rval == 0;
|
|
}
|
|
|
|
|
|
PLINE_INFO
|
|
GetTapiLineFromDeviceId(
|
|
DWORD DeviceId
|
|
)
|
|
{
|
|
PLIST_ENTRY Next;
|
|
PLINE_INFO LineInfo;
|
|
|
|
|
|
Next = TapiLinesListHead.Flink;
|
|
if (!Next) {
|
|
return NULL;
|
|
}
|
|
|
|
while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
|
|
|
|
LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
|
|
Next = LineInfo->ListEntry.Flink;
|
|
|
|
if (LineInfo->PermanentLineID == DeviceId) {
|
|
return LineInfo;
|
|
}
|
|
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
PLINE_INFO
|
|
GetTapiLineForFaxOperation(
|
|
DWORD DeviceId,
|
|
DWORD JobType,
|
|
LPWSTR FaxNumber,
|
|
BOOL Handoff
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Locates an avaliable TAPI device for use in a
|
|
FAX operation. The selection is based on the
|
|
available devices and their assigned priority.
|
|
|
|
Arguments:
|
|
|
|
DeviceId - device for operation
|
|
JobType - send or receive job
|
|
FaxNumber - the number for a send
|
|
Handoff - will this be a handoff job?
|
|
|
|
Return Value:
|
|
|
|
Pointer to a LINE_INFO structure or NULL is the
|
|
function fails.
|
|
|
|
--*/
|
|
|
|
{
|
|
static NoDevicePopupCount = 0;
|
|
PLIST_ENTRY Next;
|
|
PLINE_INFO LineInfo;
|
|
PLINE_INFO SelectedLine = NULL;
|
|
|
|
|
|
EnterCriticalSection( &CsLine );
|
|
|
|
Next = TapiLinesListHead.Flink;
|
|
//
|
|
// only makes sense for a send job
|
|
//
|
|
if (Next && (JobType == JT_SEND) && FaxNumber) {
|
|
while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
|
|
LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
|
|
Next = LineInfo->ListEntry.Flink;
|
|
|
|
//
|
|
// prevent a race condition?
|
|
//
|
|
if (LineInfo->JobEntry && LineInfo->JobEntry->PhoneNumber[0]) {
|
|
if (_wcsicmp( LineInfo->JobEntry->PhoneNumber, FaxNumber ) == 0) {
|
|
LeaveCriticalSection( &CsLine );
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Next = TapiLinesListHead.Flink;
|
|
if (Next) {
|
|
while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
|
|
|
|
LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
|
|
Next = LineInfo->ListEntry.Flink;
|
|
|
|
if (DeviceId != USE_SERVER_DEVICE) {
|
|
|
|
// find the specified device
|
|
if (LineInfo->PermanentLineID == DeviceId) {
|
|
|
|
if (Handoff) {
|
|
if (JobType!= JT_SEND) {
|
|
break;
|
|
}
|
|
SelectedLine = LineInfo;
|
|
// LineInfo->State = FPS_???;
|
|
break;
|
|
}
|
|
|
|
if ((LineInfo->State == FPS_AVAILABLE) &&
|
|
((JobType == JT_SEND && (LineInfo->Flags & FPF_SEND)) ||
|
|
(JobType == JT_RECEIVE && (LineInfo->Flags & FPF_RECEIVE))))
|
|
{
|
|
LineInfo->State = 0;
|
|
SelectedLine = LineInfo;
|
|
break;
|
|
|
|
} else if (LineInfo->UnimodemDevice && (LineInfo->Flags & FPF_POWERED_OFF)) {
|
|
//
|
|
// see if we can revive the device
|
|
//
|
|
if (OpenTapiLine( LineInfo )) {
|
|
|
|
DebugPrint(( TEXT("Device [%s] is now powered on"), LineInfo->DeviceName ));
|
|
LineInfo->Flags &= ~FPF_POWERED_OFF;
|
|
|
|
LineInfo->State = 0;
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE_OK) {
|
|
LineInfo->Flags |= FPF_RECEIVE;
|
|
LineInfo->Flags &= ~FPF_RECEIVE_OK;
|
|
}
|
|
|
|
CreateFaxEvent( LineInfo->PermanentLineID, FEI_MODEM_POWERED_ON, 0xffffffff );
|
|
|
|
SelectedLine = LineInfo;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Assert( JobType != JT_RECEIVE );
|
|
|
|
if ((LineInfo->State == FPS_AVAILABLE) &&
|
|
((JobType == JT_SEND && (LineInfo->Flags & FPF_SEND)) ||
|
|
(JobType == JT_RECEIVE && (LineInfo->Flags & FPF_RECEIVE))))
|
|
{
|
|
LineInfo->State = 0;
|
|
SelectedLine = LineInfo;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection( &CsLine );
|
|
|
|
if (SelectedLine) {
|
|
DebugPrint((
|
|
TEXT("Line selected for FAX operation: %d, %d"),
|
|
SelectedLine->DeviceId,
|
|
SelectedLine->PermanentLineID
|
|
));
|
|
} else if (JobType == JT_SEND) {
|
|
DWORD SendDevices;
|
|
|
|
GetDeviceTypeCount(&SendDevices,NULL);
|
|
|
|
if (SendDevices == 0 && NoDevicePopupCount < 2 ) {
|
|
//
|
|
// no devices configured to send faxes
|
|
//
|
|
ServiceMessageBox(GetString(IDS_NO_SEND_DEVICES),MB_OK|MB_ICONEXCLAMATION, TRUE,NULL);
|
|
NoDevicePopupCount++;
|
|
}
|
|
}
|
|
|
|
return SelectedLine;
|
|
}
|
|
|
|
|
|
BOOL
|
|
ReleaseTapiLine(
|
|
PLINE_INFO LineInfo,
|
|
HCALL hCall
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Releases the specified TAPI line back into
|
|
the list as an available device.
|
|
|
|
Arguments:
|
|
|
|
LineInfo - Pointer to the TAPI line to be released
|
|
|
|
Return Value:
|
|
|
|
TRUE - The line is release.
|
|
FALSE - The line is not released.
|
|
|
|
--*/
|
|
|
|
{
|
|
LONG rVal;
|
|
HLINE hLine;
|
|
|
|
|
|
if (!LineInfo) {
|
|
return FALSE;
|
|
}
|
|
|
|
EnterCriticalSection( &CsLine );
|
|
|
|
LineInfo->State = FPS_AVAILABLE;
|
|
LineInfo->RingCount = 0;
|
|
|
|
ZeroMemory( &LineInfo->LineMsgOffering, sizeof(LINEMESSAGE) );
|
|
|
|
if ((!(LineInfo->Flags & FPF_RECEIVE)) && LineInfo->hLine) {
|
|
hLine = LineInfo->hLine;
|
|
LineInfo->hLine = 0;
|
|
lineClose( hLine );
|
|
DebugPrint(( TEXT("ReleaseTapiLine(): lineClose on hLine=%08x "), hLine ));
|
|
}
|
|
|
|
if (hCall) {
|
|
rVal = lineDeallocateCall( hCall );
|
|
if (rVal != 0) {
|
|
DebugPrint(( TEXT("ReleaseTapiLine(): lineDeallocateCall() failed, ec=0x%08x, hCall=%08x"),
|
|
rVal, hCall ));
|
|
} else {
|
|
if (LineInfo->JobEntry && LineInfo->JobEntry->CallHandle == hCall) {
|
|
LineInfo->JobEntry->CallHandle = 0;
|
|
}
|
|
}
|
|
} else {
|
|
DebugPrint(( TEXT("ReleaseTapiLine(): cannot deallocate call, NULL call handle") ));
|
|
}
|
|
|
|
LeaveCriticalSection( &CsLine );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
LPLINEDEVCAPS
|
|
MyLineGetDevCaps(
|
|
DWORD DeviceId
|
|
)
|
|
{
|
|
DWORD LineDevCapsSize;
|
|
LPLINEDEVCAPS LineDevCaps = NULL;
|
|
LONG Rslt = ERROR_SUCCESS;
|
|
|
|
//
|
|
// allocate the initial linedevcaps structure
|
|
//
|
|
|
|
LineDevCapsSize = sizeof(LINEDEVCAPS) + 4096;
|
|
LineDevCaps = (LPLINEDEVCAPS) MemAlloc( LineDevCapsSize );
|
|
if (!LineDevCaps) {
|
|
return NULL;
|
|
}
|
|
|
|
LineDevCaps->dwTotalSize = LineDevCapsSize;
|
|
|
|
Rslt = lineGetDevCaps(
|
|
hLineApp,
|
|
DeviceId,
|
|
TapiApiVersion,
|
|
0,
|
|
LineDevCaps
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
//
|
|
// lineGetDevCaps() can fail with error code 0x8000004b
|
|
// if a device has been deleted and tapi has not been
|
|
// cycled. this is caused by the fact that tapi leaves
|
|
// a phantom device in it's device list. the error is
|
|
// benign and the device can safely be ignored.
|
|
//
|
|
if (Rslt != LINEERR_INCOMPATIBLEAPIVERSION) {
|
|
DebugPrint(( TEXT("lineGetDevCaps() failed, ec=0x%08x"), Rslt ));
|
|
}
|
|
goto exit;
|
|
}
|
|
|
|
if (LineDevCaps->dwNeededSize > LineDevCaps->dwTotalSize) {
|
|
|
|
//
|
|
// re-allocate the linedevcaps structure
|
|
//
|
|
|
|
LineDevCapsSize = LineDevCaps->dwNeededSize;
|
|
|
|
MemFree( LineDevCaps );
|
|
|
|
LineDevCaps = (LPLINEDEVCAPS) MemAlloc( LineDevCapsSize );
|
|
if (!LineDevCaps) {
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
Rslt = lineGetDevCaps(
|
|
hLineApp,
|
|
DeviceId,
|
|
TapiApiVersion,
|
|
0,
|
|
LineDevCaps
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetDevCaps() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
}
|
|
|
|
exit:
|
|
if (Rslt != ERROR_SUCCESS) {
|
|
MemFree( LineDevCaps );
|
|
LineDevCaps = NULL;
|
|
}
|
|
|
|
return LineDevCaps;
|
|
}
|
|
|
|
|
|
LPLINEDEVSTATUS
|
|
MyLineGetLineDevStatus(
|
|
HLINE hLine
|
|
)
|
|
{
|
|
DWORD LineDevStatusSize;
|
|
LPLINEDEVSTATUS LineDevStatus = NULL;
|
|
LONG Rslt = ERROR_SUCCESS;
|
|
|
|
|
|
//
|
|
// allocate the initial linedevstatus structure
|
|
//
|
|
|
|
LineDevStatusSize = sizeof(LINEDEVSTATUS) + 4096;
|
|
LineDevStatus = (LPLINEDEVSTATUS) MemAlloc( LineDevStatusSize );
|
|
if (!LineDevStatus) {
|
|
return NULL;
|
|
}
|
|
|
|
LineDevStatus->dwTotalSize = LineDevStatusSize;
|
|
|
|
Rslt = lineGetLineDevStatus(
|
|
hLine,
|
|
LineDevStatus
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetLineDevStatus() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
if (LineDevStatus->dwNeededSize > LineDevStatus->dwTotalSize) {
|
|
|
|
//
|
|
// re-allocate the LineDevStatus structure
|
|
//
|
|
|
|
LineDevStatusSize = LineDevStatus->dwNeededSize;
|
|
|
|
MemFree( LineDevStatus );
|
|
|
|
LineDevStatus = (LPLINEDEVSTATUS) MemAlloc( LineDevStatusSize );
|
|
if (!LineDevStatus) {
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
Rslt = lineGetLineDevStatus(
|
|
hLine,
|
|
LineDevStatus
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetLineDevStatus() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
}
|
|
|
|
exit:
|
|
if (Rslt != ERROR_SUCCESS) {
|
|
MemFree( LineDevStatus );
|
|
LineDevStatus = NULL;
|
|
}
|
|
|
|
return LineDevStatus;
|
|
}
|
|
|
|
|
|
LONG
|
|
MyLineGetTransCaps(
|
|
LPLINETRANSLATECAPS *LineTransCaps
|
|
)
|
|
{
|
|
DWORD LineTransCapsSize;
|
|
LONG Rslt = ERROR_SUCCESS;
|
|
|
|
|
|
//
|
|
// allocate the initial linetranscaps structure
|
|
//
|
|
|
|
LineTransCapsSize = sizeof(LINETRANSLATECAPS) + 4096;
|
|
*LineTransCaps = (LPLINETRANSLATECAPS) MemAlloc( LineTransCapsSize );
|
|
if (!*LineTransCaps) {
|
|
DebugPrint(( TEXT("MemAlloc() failed, sz=0x%08x"), LineTransCapsSize ));
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
(*LineTransCaps)->dwTotalSize = LineTransCapsSize;
|
|
|
|
Rslt = lineGetTranslateCaps(
|
|
hLineApp,
|
|
TapiApiVersion,
|
|
*LineTransCaps
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetTranslateCaps() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
if ((*LineTransCaps)->dwNeededSize > (*LineTransCaps)->dwTotalSize) {
|
|
|
|
//
|
|
// re-allocate the LineTransCaps structure
|
|
//
|
|
|
|
LineTransCapsSize = (*LineTransCaps)->dwNeededSize;
|
|
|
|
MemFree( *LineTransCaps );
|
|
|
|
*LineTransCaps = (LPLINETRANSLATECAPS) MemAlloc( LineTransCapsSize );
|
|
if (!*LineTransCaps) {
|
|
DebugPrint(( TEXT("MemAlloc() failed, sz=0x%08x"), LineTransCapsSize ));
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
(*LineTransCaps)->dwTotalSize = LineTransCapsSize;
|
|
|
|
Rslt = lineGetTranslateCaps(
|
|
hLineApp,
|
|
TapiApiVersion,
|
|
*LineTransCaps
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetTranslateCaps() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
}
|
|
|
|
exit:
|
|
if (Rslt != ERROR_SUCCESS) {
|
|
MemFree( *LineTransCaps );
|
|
*LineTransCaps = NULL;
|
|
}
|
|
|
|
return Rslt;
|
|
}
|
|
|
|
|
|
LONG
|
|
MyLineTranslateAddress(
|
|
LPTSTR Address,
|
|
DWORD DeviceId,
|
|
LPLINETRANSLATEOUTPUT *TranslateOutput
|
|
)
|
|
{
|
|
DWORD LineTransOutSize;
|
|
LONG Rslt = ERROR_SUCCESS;
|
|
|
|
|
|
//
|
|
// allocate the initial linetranscaps structure
|
|
//
|
|
|
|
LineTransOutSize = sizeof(LINETRANSLATEOUTPUT) + 4096;
|
|
*TranslateOutput = (LPLINETRANSLATEOUTPUT) MemAlloc( LineTransOutSize );
|
|
if (!*TranslateOutput) {
|
|
DebugPrint(( TEXT("MemAlloc() failed, sz=0x%08x"), LineTransOutSize ));
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
(*TranslateOutput)->dwTotalSize = LineTransOutSize;
|
|
|
|
Rslt = lineTranslateAddress(
|
|
hLineApp,
|
|
DeviceId,
|
|
TapiApiVersion,
|
|
Address,
|
|
0,
|
|
0,
|
|
*TranslateOutput
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetTranslateAddress() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
if ((*TranslateOutput)->dwNeededSize > (*TranslateOutput)->dwTotalSize) {
|
|
|
|
//
|
|
// re-allocate the LineTransCaps structure
|
|
//
|
|
|
|
LineTransOutSize = (*TranslateOutput)->dwNeededSize;
|
|
|
|
MemFree( *TranslateOutput );
|
|
|
|
*TranslateOutput = (LPLINETRANSLATEOUTPUT) MemAlloc( LineTransOutSize );
|
|
if (!*TranslateOutput) {
|
|
DebugPrint(( TEXT("MemAlloc() failed, sz=0x%08x"), LineTransOutSize ));
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
(*TranslateOutput)->dwTotalSize = LineTransOutSize;
|
|
|
|
Rslt = lineTranslateAddress(
|
|
hLineApp,
|
|
DeviceId,
|
|
TapiApiVersion,
|
|
Address,
|
|
0,
|
|
0,
|
|
*TranslateOutput
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineGetTranslateAddress() failed, ec=0x%08x"), Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
}
|
|
|
|
exit:
|
|
if (Rslt != ERROR_SUCCESS) {
|
|
MemFree( *TranslateOutput );
|
|
*TranslateOutput = NULL;
|
|
}
|
|
|
|
return Rslt;
|
|
}
|
|
|
|
|
|
BOOL
|
|
OpenTapiLine(
|
|
PLINE_INFO LineInfo
|
|
)
|
|
{
|
|
LONG Rslt = ERROR_SUCCESS;
|
|
HLINE hLine;
|
|
DWORD LineStates = 0;
|
|
DWORD AddressStates = 0;
|
|
|
|
|
|
EnterCriticalSection( &CsLine );
|
|
|
|
if (LineInfo->UnimodemDevice) {
|
|
Rslt = lineOpen(
|
|
hLineApp,
|
|
LineInfo->DeviceId,
|
|
&hLine,
|
|
TapiApiVersion,
|
|
0,
|
|
(DWORD_PTR) LineInfo,
|
|
LINECALLPRIVILEGE_OWNER + LINECALLPRIVILEGE_MONITOR,
|
|
LINEMEDIAMODE_DATAMODEM | LINEMEDIAMODE_UNKNOWN,
|
|
NULL
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
Rslt = lineOpen(
|
|
hLineApp,
|
|
LineInfo->DeviceId,
|
|
&hLine,
|
|
TapiApiVersion,
|
|
0,
|
|
(DWORD_PTR) LineInfo,
|
|
LINECALLPRIVILEGE_OWNER + LINECALLPRIVILEGE_MONITOR,
|
|
LINEMEDIAMODE_DATAMODEM,
|
|
NULL
|
|
);
|
|
}
|
|
} else {
|
|
Rslt = lineOpen(
|
|
hLineApp,
|
|
LineInfo->DeviceId,
|
|
&hLine,
|
|
TapiApiVersion,
|
|
0,
|
|
(DWORD_PTR) LineInfo,
|
|
LINECALLPRIVILEGE_OWNER + LINECALLPRIVILEGE_MONITOR,
|
|
LINEMEDIAMODE_G3FAX,
|
|
NULL
|
|
);
|
|
}
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("Device %s FAILED to initialize, ec=%08x"), LineInfo->DeviceName, Rslt ));
|
|
} else {
|
|
LineInfo->hLine = hLine;
|
|
|
|
//
|
|
// set the line status that we need
|
|
//
|
|
|
|
LineStates |= LineInfo->LineStates & LINEDEVSTATE_OPEN ? LINEDEVSTATE_OPEN : 0;
|
|
LineStates |= LineInfo->LineStates & LINEDEVSTATE_CLOSE ? LINEDEVSTATE_CLOSE : 0;
|
|
LineStates |= LineInfo->LineStates & LINEDEVSTATE_RINGING ? LINEDEVSTATE_RINGING : 0;
|
|
LineStates |= LineInfo->LineStates & LINEDEVSTATE_NUMCALLS ? LINEDEVSTATE_NUMCALLS : 0;
|
|
LineStates |= LineInfo->LineStates & LINEDEVSTATE_REMOVED ? LINEDEVSTATE_REMOVED : 0;
|
|
|
|
AddressStates = LINEADDRESSSTATE_INUSEZERO | LINEADDRESSSTATE_INUSEONE |
|
|
LINEADDRESSSTATE_INUSEMANY | LINEADDRESSSTATE_NUMCALLS;
|
|
|
|
Rslt = lineSetStatusMessages( hLine, LineStates, AddressStates );
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineSetStatusMessages() failed, [0x%08x:0x%08x], ec=0x%08x"), LineStates, AddressStates, Rslt ));
|
|
Rslt = ERROR_SUCCESS;
|
|
}
|
|
|
|
}
|
|
|
|
LeaveCriticalSection( &CsLine );
|
|
|
|
return Rslt == ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
BOOL
|
|
IsDeviceModem(
|
|
LPLINEDEVCAPS LineDevCaps
|
|
)
|
|
{
|
|
LPTSTR DeviceClassList;
|
|
BOOL UnimodemDevice = FALSE;
|
|
|
|
if (LineDevCaps->dwDeviceClassesSize && LineDevCaps->dwDeviceClassesOffset) {
|
|
DeviceClassList = (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwDeviceClassesOffset);
|
|
while (*DeviceClassList) {
|
|
if (_tcscmp(DeviceClassList,TEXT("comm/datamodem")) == 0) {
|
|
UnimodemDevice = TRUE;
|
|
break;
|
|
}
|
|
DeviceClassList += (_tcslen(DeviceClassList) + 1);
|
|
}
|
|
}
|
|
|
|
if ((!(LineDevCaps->dwBearerModes & LINEBEARERMODE_VOICE)) ||
|
|
(!(LineDevCaps->dwBearerModes & LINEBEARERMODE_PASSTHROUGH))) {
|
|
//
|
|
// unacceptable modem device type
|
|
//
|
|
UnimodemDevice = FALSE;
|
|
}
|
|
|
|
//
|
|
// modem fsp only works with unimodem TSP
|
|
//
|
|
if (wcscmp((LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset),
|
|
GetString(IDS_MODEM_PROVIDER_NAME)) != 0) {
|
|
UnimodemDevice = FALSE;
|
|
}
|
|
|
|
return UnimodemDevice;
|
|
}
|
|
|
|
|
|
BOOL CALLBACK
|
|
NewDeviceRoutingMethodEnumerator(
|
|
PROUTING_METHOD RoutingMethod,
|
|
DWORD DeviceId
|
|
)
|
|
{
|
|
BOOL Rslt = FALSE;
|
|
|
|
__try {
|
|
Rslt = RoutingMethod->RoutingExtension->FaxRouteDeviceChangeNotification( DeviceId, TRUE );
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
|
DebugPrint(( TEXT("FaxRouteDeviceChangeNotification() crashed: 0x%08x"), GetExceptionCode() ));
|
|
}
|
|
|
|
return Rslt;
|
|
}
|
|
|
|
BOOL
|
|
CloseDevicesMatch(
|
|
LPWSTR DeviceName,
|
|
LPWSTR CacheName
|
|
)
|
|
{
|
|
//
|
|
// deal with the fact that the device name might have changed slightly (add #1 to end, etc.)
|
|
// assumption: devices are for same TSP
|
|
//
|
|
DWORD len;
|
|
BOOL rVal = FALSE;
|
|
LPTSTR NewCacheName;
|
|
LPTSTR NewDeviceName;
|
|
|
|
if (!DeviceName || !CacheName) {
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// check if one is a shorted version of the other name
|
|
//
|
|
len = min( wcslen(CacheName), wcslen(DeviceName) );
|
|
|
|
|
|
if (_wcsnicmp( CacheName, DeviceName, len ) == 0 ) {
|
|
return TRUE;
|
|
}
|
|
|
|
//
|
|
// check if we have different numbered devices that are similar
|
|
//
|
|
NewDeviceName = wcsrchr(DeviceName,L'#');
|
|
if (NewDeviceName) *NewDeviceName = (WCHAR)0;
|
|
|
|
NewCacheName = wcsrchr(CacheName,L'#');
|
|
if (NewCacheName) *NewCacheName = (WCHAR)0;
|
|
|
|
len = min( wcslen(CacheName), wcslen(DeviceName) );
|
|
if (_wcsnicmp( CacheName, DeviceName, len ) == 0) {
|
|
rVal = TRUE;
|
|
}
|
|
|
|
//
|
|
// put back the device name to normal
|
|
//
|
|
if (NewDeviceName) *NewDeviceName = (WCHAR) L'#';
|
|
if (NewCacheName) *NewCacheName = (WCHAR) L'#';
|
|
|
|
return rVal;
|
|
}
|
|
|
|
BOOL
|
|
AddNewDevice(
|
|
DWORD DeviceId,
|
|
LPLINEDEVCAPS LineDevCaps,
|
|
BOOL InitDevice
|
|
)
|
|
{
|
|
BOOL rVal = FALSE;
|
|
BOOL UnimodemDevice = FALSE;
|
|
PMDM_DEVSPEC MdmDevSpec = NULL;
|
|
LPSTR ModemKey = NULL;
|
|
DWORD Flags;
|
|
DWORD Priority = 1;
|
|
LPTSTR DeviceName = NULL;
|
|
REG_SETUP RegSetup;
|
|
PREG_FAX_DEVICES_CACHE RegDevicesCache;
|
|
DWORD i;
|
|
DWORD CloseMatchIndex = -1, UseIndex = -1;
|
|
|
|
|
|
if (IsSmallBiz() && DeviceCount >= 4) {
|
|
return FALSE;
|
|
} else if (!IsCommServer() && DeviceCount >= 2) {
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// only add devices that support fax
|
|
//
|
|
|
|
if (! ( ((LineDevCaps->dwMediaModes & LINEMEDIAMODE_DATAMODEM) &&
|
|
(UnimodemDevice = IsDeviceModem( LineDevCaps ) )) ||
|
|
(LineDevCaps->dwMediaModes & LINEMEDIAMODE_G3FAX) )) {
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// we have a fax capable device to be added, so let's retreive configuration
|
|
// data about fax devices on the system to decide how to configure this
|
|
// device
|
|
//
|
|
if (!GetOrigSetupData( &RegSetup ) || !(RegDevicesCache = GetFaxDevicesCacheRegistry()) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (UnimodemDevice) {
|
|
Flags = FPF_SEND;
|
|
if (ForceReceive) {
|
|
Flags |= FPF_RECEIVE;
|
|
}
|
|
} else {
|
|
Flags = FPF_RECEIVE | FPF_SEND;
|
|
}
|
|
|
|
if (Flags & FPF_RECEIVE) {
|
|
InterlockedIncrement( &ConnectionCount );
|
|
}
|
|
|
|
DeviceName = FixupDeviceName( (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset) );
|
|
|
|
//
|
|
// check in the device cache for an old instantiation of this device
|
|
//
|
|
for (i=0; i<RegDevicesCache->DeviceCount ; i++ ) {
|
|
if (RegDevicesCache->Devices[i].Provider &&
|
|
RegDevicesCache->Devices[i].Name &&
|
|
(wcscmp((LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset),
|
|
RegDevicesCache->Devices[i].Provider) == 0)) {
|
|
|
|
if (wcscmp(DeviceName,RegDevicesCache->Devices[i].Name) == 0) {
|
|
//
|
|
// exact match, use it
|
|
//
|
|
UseIndex = i;
|
|
break;
|
|
} else if (CloseDevicesMatch(DeviceName,RegDevicesCache->Devices[i].Name)) {
|
|
CloseMatchIndex = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (UseIndex == (DWORD) -1) {
|
|
UseIndex = CloseMatchIndex;
|
|
} else {
|
|
CloseMatchIndex = -1;
|
|
}
|
|
|
|
if (UseIndex != (DWORD) -1) {
|
|
Priority = RegAddNewFaxDevice(
|
|
DeviceName,
|
|
RegDevicesCache->Devices[UseIndex].Provider,
|
|
RegDevicesCache->Devices[UseIndex].Csid,
|
|
RegDevicesCache->Devices[UseIndex].Tsid,
|
|
-1, // BugBug what priority ???
|
|
LineDevCaps->dwPermanentLineID,
|
|
Flags,
|
|
RegDevicesCache->Devices[UseIndex].Rings,
|
|
RegDevicesCache->Devices[UseIndex].RoutingMask,
|
|
RegDevicesCache->Devices[UseIndex].Printer,
|
|
RegDevicesCache->Devices[UseIndex].StoreDir,
|
|
RegDevicesCache->Devices[UseIndex].Profile
|
|
);
|
|
|
|
//
|
|
// get rid of the cached entry
|
|
//
|
|
if (CloseMatchIndex == -1) {
|
|
DeleteCachedFaxDevice( RegDevicesCache->Devices[UseIndex].Name );
|
|
}
|
|
|
|
} else {
|
|
Priority = RegAddNewFaxDevice(
|
|
DeviceName,
|
|
(LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset),
|
|
RegSetup.Csid,
|
|
RegSetup.Tsid,
|
|
-1,
|
|
LineDevCaps->dwPermanentLineID,
|
|
Flags,
|
|
RegSetup.Rings,
|
|
RegSetup.Mask,
|
|
RegSetup.Printer,
|
|
RegSetup.StoreDir,
|
|
RegSetup.Profile
|
|
);
|
|
}
|
|
|
|
|
|
if (InitDevice) {
|
|
DeviceCount += 1;
|
|
InitializeTapiLine(
|
|
DeviceId,
|
|
LineDevCaps,
|
|
Priority,
|
|
RegSetup.Rings,
|
|
Flags,
|
|
RegSetup.Csid,
|
|
RegSetup.Tsid
|
|
);
|
|
}
|
|
|
|
rVal = TRUE;
|
|
|
|
if (DeviceName) {
|
|
MemFree( DeviceName );
|
|
}
|
|
|
|
FreeFaxDevicesCacheRegistry( RegDevicesCache );
|
|
|
|
FreeOrigSetupData( &RegSetup );
|
|
|
|
EnumerateRoutingMethods( (PFAXROUTEMETHODENUM)NewDeviceRoutingMethodEnumerator, (LPVOID)LineDevCaps->dwPermanentLineID );
|
|
|
|
return rVal;
|
|
}
|
|
|
|
|
|
DWORD
|
|
InitializeTapiLine(
|
|
DWORD DeviceId,
|
|
LPLINEDEVCAPS LineDevCaps,
|
|
DWORD Priority,
|
|
DWORD Rings,
|
|
DWORD Flags,
|
|
LPTSTR Csid,
|
|
LPTSTR Tsid
|
|
)
|
|
{
|
|
PLINE_INFO LineInfo = NULL;
|
|
LONG Rslt = ERROR_SUCCESS;
|
|
DWORD len;
|
|
PDEVICE_PROVIDER Provider;
|
|
BOOL UnimodemDevice;
|
|
HLINE hLine = 0;
|
|
LPTSTR ProviderName = NULL;
|
|
LPTSTR DeviceName = NULL;
|
|
BOOL NewDevice = TRUE;
|
|
DWORD LineStates = 0;
|
|
DWORD AddressStates = 0;
|
|
LPLINEDEVSTATUS LineDevStatus;
|
|
|
|
|
|
//
|
|
// allocate the LINE_INFO structure
|
|
//
|
|
|
|
LineInfo = (PLINE_INFO) MemAlloc( sizeof(LINE_INFO) );
|
|
if (!LineInfo) {
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
//
|
|
// get the provider name
|
|
//
|
|
|
|
len = _tcslen( (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset) );
|
|
ProviderName = MemAlloc( (len + 1) * sizeof(TCHAR) );
|
|
if (!ProviderName) {
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
_tcscpy( ProviderName, (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset) );
|
|
|
|
//
|
|
// get the device name
|
|
//
|
|
|
|
DeviceName = FixupDeviceName( (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset) );
|
|
if (!DeviceName) {
|
|
Rslt = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
//
|
|
// verify that the line id is good
|
|
//
|
|
|
|
if (LineDevCaps->dwPermanentLineID == 0) {
|
|
DebugPrint((
|
|
TEXT("TAPI lines must have a non-zero line id [%s]"),
|
|
DeviceName
|
|
));
|
|
Rslt = ERROR_BAD_DEVICE;
|
|
goto exit;
|
|
}
|
|
|
|
//
|
|
// check for a modem device
|
|
//
|
|
|
|
UnimodemDevice = IsDeviceModem( LineDevCaps );
|
|
|
|
//
|
|
// assign the device provider
|
|
//
|
|
|
|
Provider = FindDeviceProvider( ProviderName );
|
|
if (!Provider) {
|
|
DebugPrint(( TEXT("Could not find a valid device provider for device: %s"), DeviceName ));
|
|
Rslt = ERROR_BAD_PROVIDER;
|
|
goto exit;
|
|
}
|
|
|
|
//
|
|
// open the line
|
|
//
|
|
|
|
if (UnimodemDevice) {
|
|
Rslt = lineOpen(
|
|
hLineApp,
|
|
DeviceId,
|
|
&hLine,
|
|
TapiApiVersion,
|
|
0,
|
|
(DWORD_PTR) LineInfo,
|
|
LINECALLPRIVILEGE_OWNER + LINECALLPRIVILEGE_MONITOR,
|
|
LINEMEDIAMODE_DATAMODEM | LINEMEDIAMODE_UNKNOWN,
|
|
NULL
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
Rslt = lineOpen(
|
|
hLineApp,
|
|
DeviceId,
|
|
&hLine,
|
|
TapiApiVersion,
|
|
0,
|
|
(DWORD_PTR) LineInfo,
|
|
LINECALLPRIVILEGE_OWNER + LINECALLPRIVILEGE_MONITOR,
|
|
LINEMEDIAMODE_DATAMODEM,
|
|
NULL
|
|
);
|
|
}
|
|
} else {
|
|
Rslt = lineOpen(
|
|
hLineApp,
|
|
DeviceId,
|
|
&hLine,
|
|
TapiApiVersion,
|
|
0,
|
|
(DWORD_PTR) LineInfo,
|
|
LINECALLPRIVILEGE_OWNER + LINECALLPRIVILEGE_MONITOR,
|
|
LINEMEDIAMODE_G3FAX,
|
|
NULL
|
|
);
|
|
}
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("Device %s FAILED to initialize, ec=%08x"), DeviceName, Rslt ));
|
|
goto exit;
|
|
}
|
|
|
|
//
|
|
// set the line status that we need
|
|
//
|
|
|
|
LineStates |= LineDevCaps->dwLineStates & LINEDEVSTATE_OPEN ? LINEDEVSTATE_OPEN : 0;
|
|
LineStates |= LineDevCaps->dwLineStates & LINEDEVSTATE_CLOSE ? LINEDEVSTATE_CLOSE : 0;
|
|
LineStates |= LineDevCaps->dwLineStates & LINEDEVSTATE_RINGING ? LINEDEVSTATE_RINGING : 0;
|
|
LineStates |= LineDevCaps->dwLineStates & LINEDEVSTATE_NUMCALLS ? LINEDEVSTATE_NUMCALLS : 0;
|
|
LineStates |= LineDevCaps->dwLineStates & LINEDEVSTATE_REMOVED ? LINEDEVSTATE_REMOVED : 0;
|
|
|
|
AddressStates = LINEADDRESSSTATE_INUSEZERO | LINEADDRESSSTATE_INUSEONE |
|
|
LINEADDRESSSTATE_INUSEMANY | LINEADDRESSSTATE_NUMCALLS;
|
|
|
|
Rslt = lineSetStatusMessages( hLine, LineStates, AddressStates );
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineSetStatusMessages() failed, [0x%08x:0x%08x], ec=0x%08x"), LineStates, AddressStates, Rslt ));
|
|
if (Rslt == LINEERR_INVALLINEHANDLE) {
|
|
hLine = 0;
|
|
}
|
|
Rslt = 0;
|
|
}
|
|
|
|
//
|
|
// now assign the necessary values to the line info struct
|
|
//
|
|
|
|
LineInfo->Signature = LINE_SIGNATURE;
|
|
LineInfo->DeviceId = DeviceId;
|
|
LineInfo->PermanentLineID = LineDevCaps->dwPermanentLineID;
|
|
LineInfo->hLine = hLine;
|
|
LineInfo->Provider = Provider;
|
|
LineInfo->DeviceName = StringDup( DeviceName );
|
|
LineInfo->UnimodemDevice = UnimodemDevice;
|
|
LineInfo->State = FPS_AVAILABLE;
|
|
LineInfo->Csid = StringDup( Csid );
|
|
LineInfo->Tsid = StringDup( Tsid );
|
|
LineInfo->Priority = Priority;
|
|
LineInfo->RingsForAnswer = (LineDevCaps->dwLineStates & LINEDEVSTATE_RINGING) ? Rings : 0;
|
|
LineInfo->Flags = Flags;
|
|
LineInfo->RingCount = 0;
|
|
LineInfo->ModemPopUps = 0;
|
|
LineInfo->ModemPopupActive = 1;
|
|
LineInfo->LineStates = LineDevCaps->dwLineStates;
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE) {
|
|
InterlockedIncrement( &ConnectionCount );
|
|
}
|
|
|
|
if (hLine) {
|
|
//
|
|
// check to see if the line is in use
|
|
//
|
|
|
|
LineDevStatus = MyLineGetLineDevStatus( hLine );
|
|
if (LineDevStatus) {
|
|
if (LineDevStatus->dwNumOpens > 0 && LineDevStatus->dwNumActiveCalls > 0) {
|
|
LineInfo->ModemInUse = TRUE;
|
|
}
|
|
MemFree( LineDevStatus );
|
|
}
|
|
} else {
|
|
//
|
|
// if we don't have a line handle at this time then the
|
|
// device must be powered off
|
|
//
|
|
DebugPrint(( TEXT("Device %s is powered off or disconnected"), DeviceName ));
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE) {
|
|
LineInfo->Flags &= ~FPF_RECEIVE;
|
|
LineInfo->Flags |= FPF_RECEIVE_OK;
|
|
}
|
|
LineInfo->Flags |= FPF_POWERED_OFF;
|
|
|
|
LineInfo->State = FPS_OFFLINE;
|
|
}
|
|
|
|
exit:
|
|
|
|
MemFree( DeviceName );
|
|
MemFree( ProviderName );
|
|
|
|
if (Rslt == ERROR_SUCCESS) {
|
|
InsertTailList( &TapiLinesListHead, &LineInfo->ListEntry );
|
|
} else {
|
|
FreeTapiLine( LineInfo );
|
|
}
|
|
|
|
return Rslt;
|
|
}
|
|
|
|
BOOL MoveToDeviceCache(
|
|
PREG_DEVICE FaxDevice
|
|
)
|
|
{
|
|
PREG_ROUTING_INFO pRouting = RegGetRoutingInfo( FaxDevice->PermanentLineID );
|
|
|
|
if (!pRouting) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (!RegAddNewFaxDeviceCache(
|
|
FaxDevice->Name,
|
|
FaxDevice->Provider,
|
|
FaxDevice->Csid,
|
|
FaxDevice->Tsid,
|
|
FaxDevice->PermanentLineID,
|
|
FaxDevice->Flags,
|
|
FaxDevice->Rings,
|
|
pRouting->RoutingMask,
|
|
pRouting->Printer,
|
|
pRouting->StoreDir,
|
|
pRouting->Profile
|
|
) ) {
|
|
DebugPrint(( TEXT("Couldn't RegAddNewFaxDeviceCache(%s), ec = %d\n"),
|
|
FaxDevice->Name,
|
|
GetLastError() ));
|
|
return FALSE;
|
|
}
|
|
|
|
FreeRegRoutingInfo( pRouting );
|
|
|
|
return DeleteFaxDevice( FaxDevice->PermanentLineID );
|
|
|
|
}
|
|
|
|
BOOL
|
|
IsVirtualDevice(
|
|
PLINE_INFO LineInfo
|
|
)
|
|
{
|
|
if (!LineInfo) {
|
|
return FALSE;
|
|
}
|
|
|
|
return (LineInfo->Provider->FaxDevVirtualDeviceCreation) ? TRUE : FALSE;
|
|
|
|
}
|
|
|
|
|
|
VOID
|
|
UpdateVirtualDevices(
|
|
VOID
|
|
)
|
|
{
|
|
PLIST_ENTRY Next;
|
|
PLINE_INFO LineInfo = NULL;
|
|
|
|
EnterCriticalSection( &CsLine );
|
|
|
|
Next = TapiLinesListHead.Flink;
|
|
if (Next == NULL) {
|
|
LeaveCriticalSection( &CsLine );
|
|
return;
|
|
}
|
|
|
|
while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
|
|
LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
|
|
Next = LineInfo->ListEntry.Flink;
|
|
if (IsVirtualDevice(LineInfo) && LineInfo->Provider->FaxDevCallback) {
|
|
__try {
|
|
LineInfo->Provider->FaxDevCallback( NULL,
|
|
LineInfo->PermanentLineID,
|
|
LINE_DEVSPECIFIC,
|
|
0,
|
|
(LineInfo->Flags & FPF_RECEIVE),
|
|
(LineInfo->Flags & FPF_SEND),
|
|
0
|
|
);
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
|
DebugPrint(( TEXT("Exception in FaxDevCallback, ec = %d\n"),GetExceptionCode() ));
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
LeaveCriticalSection( &CsLine );
|
|
|
|
}
|
|
|
|
|
|
DWORD
|
|
CreateVirtualDevices(
|
|
PREG_FAX_SERVICE FaxReg
|
|
)
|
|
{
|
|
extern LIST_ENTRY DeviceProviders;
|
|
PLIST_ENTRY Next;
|
|
PDEVICE_PROVIDER Provider;
|
|
DWORD VirtualDeviceCount;
|
|
WCHAR DevicePrefix[128];
|
|
DWORD DeviceIdPrefix;
|
|
LPWSTR DeviceName;
|
|
DWORD i,j;
|
|
PLINE_INFO LineInfo = NULL;
|
|
PREG_DEVICE FaxDevice = NULL;
|
|
PREG_FAX_DEVICES FaxDevices = NULL;
|
|
BOOL NewDevice;
|
|
DWORD DeviceCount = 0;
|
|
REG_SETUP RegSetup;
|
|
|
|
|
|
Next = DeviceProviders.Flink;
|
|
if (!Next) {
|
|
return DeviceCount;
|
|
}
|
|
|
|
if (!GetOrigSetupData( &RegSetup )) {
|
|
return DeviceCount;
|
|
}
|
|
|
|
while ((ULONG_PTR)Next != (ULONG_PTR)&DeviceProviders) {
|
|
Provider = CONTAINING_RECORD( Next, DEVICE_PROVIDER, ListEntry );
|
|
Next = Provider->ListEntry.Flink;
|
|
if (Provider->FaxDevVirtualDeviceCreation) {
|
|
__try {
|
|
|
|
VirtualDeviceCount = 0;
|
|
ZeroMemory(DevicePrefix, sizeof(DevicePrefix));
|
|
DeviceIdPrefix = 0;
|
|
|
|
if (Provider->FaxDevVirtualDeviceCreation(
|
|
&VirtualDeviceCount,
|
|
DevicePrefix,
|
|
&DeviceIdPrefix,
|
|
TapiCompletionPort,
|
|
FAXDEV_EVENT_KEY
|
|
))
|
|
{
|
|
for (i=0; i<VirtualDeviceCount; i++) {
|
|
|
|
//
|
|
// create the device name
|
|
//
|
|
|
|
DeviceName = (LPWSTR) MemAlloc( StringSize(DevicePrefix) + 16 );
|
|
if (!DeviceName) {
|
|
goto InitializationFailure;
|
|
}
|
|
|
|
swprintf( DeviceName, L"%s%d", DevicePrefix, i );
|
|
|
|
//
|
|
// find the registry information for this device
|
|
//
|
|
|
|
for (j=0,FaxDevice=NULL; j<FaxReg->DeviceCount; j++) {
|
|
if (FaxReg->Devices[j].PermanentLineID == DeviceIdPrefix+i) {
|
|
FaxDevice = &FaxReg->Devices[j];
|
|
break;
|
|
}
|
|
}
|
|
|
|
//
|
|
// if the device is new then add it to the registry
|
|
//
|
|
|
|
if (!FaxDevice) {
|
|
RegAddNewFaxDevice(
|
|
DeviceName,
|
|
Provider->ProviderName,
|
|
RegSetup.Csid,
|
|
RegSetup.Tsid,
|
|
1, // priority
|
|
DeviceIdPrefix + i,
|
|
FPF_SEND | FPF_VIRTUAL,
|
|
RegSetup.Rings,
|
|
RegSetup.Mask,
|
|
RegSetup.Printer,
|
|
RegSetup.StoreDir,
|
|
RegSetup.Profile
|
|
);
|
|
NewDevice = TRUE;
|
|
} else {
|
|
NewDevice = FALSE;
|
|
}
|
|
|
|
//
|
|
// allocate the LINE_INFO structure
|
|
//
|
|
|
|
LineInfo = (PLINE_INFO) MemAlloc( sizeof(LINE_INFO) );
|
|
if (!LineInfo) {
|
|
goto InitializationFailure;
|
|
}
|
|
|
|
//
|
|
// now assign the necessary values to the line info struct
|
|
//
|
|
|
|
LineInfo->Signature = LINE_SIGNATURE;
|
|
LineInfo->DeviceId = i;
|
|
LineInfo->PermanentLineID = DeviceIdPrefix + i;
|
|
LineInfo->hLine = 0;
|
|
LineInfo->Provider = Provider;
|
|
LineInfo->DeviceName = DeviceName;
|
|
LineInfo->UnimodemDevice = FALSE;
|
|
LineInfo->State = FPS_AVAILABLE;
|
|
LineInfo->Csid = StringDup( FaxDevice ? FaxDevice->Csid : RegSetup.Csid );
|
|
LineInfo->Tsid = StringDup( FaxDevice ? FaxDevice->Tsid : RegSetup.Tsid );
|
|
LineInfo->Priority = FaxDevice ? FaxDevice->Priority : 1;
|
|
LineInfo->RingsForAnswer = 0;
|
|
LineInfo->Flags = FaxDevice ? FaxDevice->Flags : FPF_SEND | FPF_VIRTUAL;
|
|
LineInfo->RingCount = 0;
|
|
LineInfo->ModemPopUps = 0;
|
|
LineInfo->ModemPopupActive = 1;
|
|
LineInfo->LineStates = 0;
|
|
|
|
InsertTailList( &TapiLinesListHead, &LineInfo->ListEntry );
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE) {
|
|
InterlockedIncrement( &ConnectionCount );
|
|
}
|
|
|
|
DeviceCount += 1;
|
|
|
|
if (NewDevice) {
|
|
FreeFaxDevicesRegistry( FaxDevices );
|
|
}
|
|
}
|
|
}
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
|
DebugPrint(( TEXT("FaxDevVirtualDeviceCreation() crashed: 0x%08x"), GetExceptionCode() ));
|
|
goto InitializationFailure;
|
|
}
|
|
}
|
|
|
|
goto next;
|
|
InitializationFailure:
|
|
FaxLog(
|
|
FAXLOG_CATEGORY_INIT,
|
|
FAXLOG_LEVEL_NONE,
|
|
1,
|
|
MSG_VIRTUAL_DEVICE_INIT_FAILED,
|
|
Provider->FriendlyName
|
|
);
|
|
|
|
next:
|
|
;
|
|
}
|
|
|
|
DebugPrint(( TEXT("Virtual devices initialized, devices=%d"), DeviceCount ));
|
|
|
|
FreeOrigSetupData( &RegSetup );
|
|
|
|
return DeviceCount;
|
|
}
|
|
|
|
|
|
DWORD
|
|
TapiInitialize(
|
|
PREG_FAX_SERVICE FaxReg
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function performs all necessary TAPI initialization.
|
|
This includes device enumeration, message pump creation,
|
|
device capabilities caputure, etc. It is required that
|
|
the device provider initialization is completed before
|
|
calling this function.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
Error code.
|
|
|
|
--*/
|
|
|
|
{
|
|
extern CRITICAL_SECTION CsRouting;
|
|
LONG Rslt;
|
|
DWORD i,j;
|
|
HANDLE hThread;
|
|
DWORD ThreadId;
|
|
PLIST_ENTRY Next;
|
|
PLINE_INFO LineInfo;
|
|
LPLINEDEVCAPS LineDevCaps = NULL;
|
|
PREG_FAX_DEVICES FaxDevices = NULL;
|
|
HLINE hLine;
|
|
LINEINITIALIZEEXPARAMS LineInitializeExParams;
|
|
TCHAR FaxSvcName[MAX_PATH*2];
|
|
TCHAR Fname[_MAX_FNAME];
|
|
TCHAR Ext[_MAX_EXT];
|
|
DWORD LocalTapiApiVersion;
|
|
LINEEXTENSIONID lineExtensionID;
|
|
LPTSTR AdaptiveFileName;
|
|
HANDLE AdaptiveFileHandle;
|
|
BOOL Found = FALSE;
|
|
DWORD DeviceLimit;
|
|
|
|
|
|
InitializeListHead( &TapiLinesListHead );
|
|
InitializeCriticalSection( &CsLine );
|
|
InitializeCriticalSection( &CsRouting );
|
|
|
|
//
|
|
// we need to hold onto this cs until tapi is up and ready to serve
|
|
//
|
|
EnterCriticalSection( &CsLine );
|
|
|
|
|
|
//
|
|
// set the device limit
|
|
//
|
|
if (IsSmallBiz()) {
|
|
DeviceLimit = 4;
|
|
} else if (IsCommServer()) {
|
|
DeviceLimit = 0xFFFFFFFF;
|
|
} else {
|
|
DeviceLimit = 2;
|
|
}
|
|
|
|
//
|
|
// open faxadapt.lst file to decide on enabling rx
|
|
//
|
|
|
|
AdaptiveFileName = ExpandEnvironmentString( TEXT("%systemroot%\\system32\\faxadapt.lst") );
|
|
if (AdaptiveFileName) {
|
|
AdaptiveFileHandle = CreateFile(
|
|
AdaptiveFileName,
|
|
GENERIC_READ,
|
|
FILE_SHARE_READ,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
0,
|
|
NULL
|
|
);
|
|
if (AdaptiveFileHandle == INVALID_HANDLE_VALUE ) {
|
|
DebugPrint(( TEXT("Could not open adaptive file [%s], ec=0x%08x"), _tcslwr(AdaptiveFileName), GetLastError() ));
|
|
} else {
|
|
i = GetFileSize( AdaptiveFileHandle, NULL );
|
|
if (i != 0xffffffff) {
|
|
AdaptiveFileBuffer = MemAlloc( i + 16 );
|
|
if (AdaptiveFileBuffer) {
|
|
if (!ReadFile( AdaptiveFileHandle, AdaptiveFileBuffer, i, &j, NULL ) ) {
|
|
DebugPrint(( TEXT("Could not read adaptive file [%s], ec=0x%08x"), _tcslwr(AdaptiveFileName), GetLastError() ));
|
|
MemFree( AdaptiveFileBuffer );
|
|
AdaptiveFileBuffer = NULL;
|
|
} else {
|
|
AdaptiveFileBuffer[j] = 0; // need a string
|
|
}
|
|
}
|
|
}
|
|
CloseHandle( AdaptiveFileHandle );
|
|
}
|
|
}
|
|
|
|
//
|
|
// initialize tapi
|
|
//
|
|
|
|
TapiCompletionPort = CreateIoCompletionPort(
|
|
INVALID_HANDLE_VALUE,
|
|
NULL,
|
|
0,
|
|
1
|
|
);
|
|
if (!TapiCompletionPort) {
|
|
DebugPrint(( TEXT("CreateIoCompletionPort() failed, ec=0x%08x"), GetLastError() ));
|
|
goto no_devices_exit;
|
|
}
|
|
|
|
LineInitializeExParams.dwTotalSize = sizeof(LINEINITIALIZEEXPARAMS);
|
|
LineInitializeExParams.dwNeededSize = 0;
|
|
LineInitializeExParams.dwUsedSize = 0;
|
|
LineInitializeExParams.dwOptions = LINEINITIALIZEEXOPTION_USECOMPLETIONPORT;
|
|
LineInitializeExParams.Handles.hCompletionPort = TapiCompletionPort;
|
|
LineInitializeExParams.dwCompletionKey = TAPI_COMPLETION_KEY;
|
|
|
|
LocalTapiApiVersion = TapiApiVersion = 0x00020000;
|
|
|
|
Rslt = lineInitializeEx(
|
|
&hLineApp,
|
|
GetModuleHandle(NULL),
|
|
NULL,
|
|
FAX_DISPLAY_NAME,
|
|
&TapiDevices,
|
|
&LocalTapiApiVersion,
|
|
&LineInitializeExParams
|
|
);
|
|
|
|
if (Rslt != 0 || LocalTapiApiVersion < 0x00020000) {
|
|
DebugPrint(( TEXT("lineInitializeEx() failed, ec=0x%08x, devices=%d"), Rslt, TapiDevices ));
|
|
goto no_devices_exit;
|
|
}
|
|
|
|
//
|
|
// add any new devices to the registry
|
|
//
|
|
|
|
for (i=0; i<TapiDevices; i++) {
|
|
Rslt = lineNegotiateAPIVersion(
|
|
hLineApp,
|
|
i,
|
|
0x00010003,
|
|
TapiApiVersion,
|
|
&LocalTapiApiVersion,
|
|
&lineExtensionID
|
|
);
|
|
if (Rslt == 0) {
|
|
LineDevCaps = MyLineGetDevCaps( i );
|
|
if (LineDevCaps) {
|
|
for (j=0; j<FaxReg->DeviceCount; j++) {
|
|
if (FaxReg->Devices[j].PermanentLineID == LineDevCaps->dwPermanentLineID) {
|
|
MemFree( LineDevCaps );
|
|
FaxReg->Devices[j].DeviceInstalled = TRUE;
|
|
goto next_device;
|
|
}
|
|
}
|
|
AddNewDevice( i, LineDevCaps, FALSE );
|
|
MemFree( LineDevCaps );
|
|
}
|
|
} else {
|
|
DebugPrint(( TEXT("lineNegotiateAPIVersion() failed, ec=0x%08x"), Rslt ));
|
|
}
|
|
next_device:;
|
|
}
|
|
|
|
//
|
|
// move any devices that aren't current installed into the device cache
|
|
// don't cache virtual devices!
|
|
//
|
|
for (j=0; j<FaxReg->DeviceCount; j++) {
|
|
if (!FaxReg->Devices[j].DeviceInstalled && !(FaxReg->Devices[j].Flags & FPF_VIRTUAL)) {
|
|
MoveToDeviceCache(&FaxReg->Devices[j]);
|
|
}
|
|
}
|
|
|
|
//
|
|
// get a current list of valid devices
|
|
//
|
|
|
|
FaxDevices = GetFaxDevicesRegistry();
|
|
if (!FaxDevices) {
|
|
goto no_devices_exit;
|
|
}
|
|
|
|
//
|
|
// create the virtual devices
|
|
//
|
|
|
|
DeviceCount += CreateVirtualDevices( FaxReg );
|
|
|
|
if (GetModuleFileName( NULL, FaxSvcName, sizeof(FaxSvcName) )) {
|
|
|
|
_tsplitpath( FaxSvcName, NULL, NULL, Fname, Ext );
|
|
_stprintf( FaxSvcName, TEXT("%s%s"), Fname, Ext );
|
|
|
|
Rslt = lineSetAppPriority(
|
|
FaxSvcName,
|
|
LINEMEDIAMODE_UNKNOWN,
|
|
0,
|
|
0,
|
|
NULL,
|
|
1
|
|
);
|
|
|
|
Rslt = lineSetAppPriority(
|
|
FaxSvcName,
|
|
LINEMEDIAMODE_DATAMODEM,
|
|
0,
|
|
0,
|
|
NULL,
|
|
1
|
|
);
|
|
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineSetAppPriority() failed, ec=0x%08x"), Rslt ));
|
|
}
|
|
|
|
}
|
|
|
|
if (DeviceCount == 0 && FaxDevices->DeviceCount == 0) {
|
|
goto no_devices_exit;
|
|
}
|
|
|
|
//
|
|
// create a thread to service the tapi callback events
|
|
//
|
|
|
|
hThread = CreateThread(
|
|
NULL,
|
|
0,
|
|
(LPTHREAD_START_ROUTINE) TapiWorkerThread,
|
|
NULL,
|
|
0,
|
|
&ThreadId
|
|
);
|
|
|
|
if (!hThread) {
|
|
|
|
Rslt = GetLastError();
|
|
DebugPrint(( TEXT("Could not start a FAX worker thread, ec=0x%08x"), Rslt ));
|
|
|
|
} else {
|
|
|
|
CloseHandle( hThread );
|
|
|
|
}
|
|
|
|
//
|
|
// enumerate and initialize all of the tapi devices
|
|
//
|
|
|
|
for (i=0; (i<TapiDevices) && (DeviceCount < DeviceLimit) ; i++) {
|
|
|
|
Rslt = lineNegotiateAPIVersion(
|
|
hLineApp,
|
|
i,
|
|
0x00010003,
|
|
TapiApiVersion,
|
|
&LocalTapiApiVersion,
|
|
&lineExtensionID
|
|
);
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("lineNegotiateAPIVersion() failed, ec=0x%08x"), Rslt ));
|
|
}
|
|
|
|
LineDevCaps = MyLineGetDevCaps( i );
|
|
if (LineDevCaps) {
|
|
for (j=0; j<FaxDevices->DeviceCount; j++) {
|
|
if (FaxDevices->Devices[j].PermanentLineID == LineDevCaps->dwPermanentLineID) {
|
|
Rslt = InitializeTapiLine(
|
|
i,
|
|
LineDevCaps,
|
|
FaxDevices->Devices[j].Priority,
|
|
FaxDevices->Devices[j].Rings,
|
|
FaxDevices->Devices[j].Flags,
|
|
FaxDevices->Devices[j].Csid,
|
|
FaxDevices->Devices[j].Tsid
|
|
);
|
|
if (Rslt != 0) {
|
|
DebugPrint(( TEXT("InitializeTapiLine() failed, ec=0x%08x"), Rslt ));
|
|
} else {
|
|
DeviceCount += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
MemFree( LineDevCaps );
|
|
|
|
}
|
|
}
|
|
|
|
FreeFaxDevicesRegistry( FaxDevices );
|
|
|
|
//
|
|
// loop thru the devices and close the line handles
|
|
// for all devices that are NOT set to receive
|
|
//
|
|
|
|
Next = TapiLinesListHead.Flink;
|
|
if (Next) {
|
|
while ((ULONG_PTR)Next != (ULONG_PTR)&TapiLinesListHead) {
|
|
|
|
LineInfo = CONTAINING_RECORD( Next, LINE_INFO, ListEntry );
|
|
Next = LineInfo->ListEntry.Flink;
|
|
|
|
if (LineInfo->Flags & FPF_RECEIVE) {
|
|
TerminationDelay = (DWORD)-1;
|
|
} else {
|
|
if (LineInfo->hLine) {
|
|
hLine = LineInfo->hLine;
|
|
LineInfo->hLine = 0;
|
|
lineClose( hLine );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
SortDevicePriorities();
|
|
|
|
LeaveCriticalSection( &CsLine );
|
|
|
|
return 0;
|
|
|
|
no_devices_exit:
|
|
FaxLog(
|
|
FAXLOG_CATEGORY_INIT,
|
|
FAXLOG_LEVEL_NONE,
|
|
0,
|
|
MSG_NO_FAX_DEVICES
|
|
);
|
|
|
|
ReportServiceStatus( SERVICE_STOPPED, 0, 0 );
|
|
|
|
FaxLog(
|
|
FAXLOG_CATEGORY_INIT,
|
|
FAXLOG_LEVEL_NONE,
|
|
0,
|
|
MSG_SERVICE_STOPPED
|
|
);
|
|
|
|
ExitProcess(0);
|
|
return 0;
|
|
}
|