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[UMPNPMGR] Split the notification code by event category

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- Move the TargetDeviceChangeEvent code into a separate function.
- Add a new function for the DeviceClassChangeEvent category.
This commit is contained in:
Eric Kohl 2023-12-03 11:08:57 +01:00
parent 75cf6920bc
commit 30b9be047f
1 changed files with 139 additions and 90 deletions
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135
base/services/umpnpmgr/event.c
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@ -35,52 +35,13 @@
/* FUNCTIONS *****************************************************************/
DWORD WINAPI
PnpEventThread(LPVOID lpParameter)
static
VOID
ProcessTargetDeviceEvent(
_In_ PPLUGPLAY_EVENT_BLOCK PnpEvent)
{
PLUGPLAY_CONTROL_USER_RESPONSE_DATA ResponseData = {0, 0, 0, 0};
DWORD dwRet = ERROR_SUCCESS;
NTSTATUS Status;
RPC_STATUS RpcStatus;
PPLUGPLAY_EVENT_BLOCK PnpEvent, NewPnpEvent;
ULONG PnpEventSize;
UNREFERENCED_PARAMETER(lpParameter);
PnpEventSize = 0x1000;
PnpEvent = HeapAlloc(GetProcessHeap(), 0, PnpEventSize);
if (PnpEvent == NULL)
return ERROR_OUTOFMEMORY;
for (;;)
{
DPRINT("Calling NtGetPlugPlayEvent()\n");
/* Wait for the next PnP event */
Status = NtGetPlugPlayEvent(0, 0, PnpEvent, PnpEventSize);
/* Resize the buffer for the PnP event if it's too small */
if (Status == STATUS_BUFFER_TOO_SMALL)
{
PnpEventSize += 0x400;
NewPnpEvent = HeapReAlloc(GetProcessHeap(), 0, PnpEvent, PnpEventSize);
if (NewPnpEvent == NULL)
{
dwRet = ERROR_OUTOFMEMORY;
break;
}
PnpEvent = NewPnpEvent;
continue;
}
if (!NT_SUCCESS(Status))
{
DPRINT1("NtGetPlugPlayEvent() failed (Status 0x%08lx)\n", Status);
break;
}
/* Process the PnP event */
DPRINT("Received PnP Event\n");
if (UuidEqual(&PnpEvent->EventGuid, (UUID*)&GUID_DEVICE_ENUMERATED, &RpcStatus))
{
DeviceInstallParams* Params;
@ -174,6 +135,94 @@ PnpEventThread(LPVOID lpParameter)
PnpEvent->EventGuid.Data4[3], PnpEvent->EventGuid.Data4[4], PnpEvent->EventGuid.Data4[5],
PnpEvent->EventGuid.Data4[6], PnpEvent->EventGuid.Data4[7]);
}
}
static
VOID
ProcessDeviceClassChangeEvent(
_In_ PPLUGPLAY_EVENT_BLOCK PnpEvent)
{
DPRINT("DeviceClassChangeEvent: %S\n", PnpEvent->DeviceClass.SymbolicLinkName);
DPRINT("ClassGuid: {%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}\n",
PnpEvent->DeviceClass.ClassGuid.Data1, PnpEvent->DeviceClass.ClassGuid.Data2, PnpEvent->DeviceClass.ClassGuid.Data3,
PnpEvent->DeviceClass.ClassGuid.Data4[0], PnpEvent->DeviceClass.ClassGuid.Data4[1], PnpEvent->DeviceClass.ClassGuid.Data4[2],
PnpEvent->DeviceClass.ClassGuid.Data4[3], PnpEvent->DeviceClass.ClassGuid.Data4[4], PnpEvent->DeviceClass.ClassGuid.Data4[5],
PnpEvent->DeviceClass.ClassGuid.Data4[6], PnpEvent->DeviceClass.ClassGuid.Data4[7]);
}
DWORD
WINAPI
PnpEventThread(
_In_ LPVOID lpParameter)
{
PLUGPLAY_CONTROL_USER_RESPONSE_DATA ResponseData = {0, 0, 0, 0};
DWORD dwRet = ERROR_SUCCESS;
NTSTATUS Status;
PPLUGPLAY_EVENT_BLOCK PnpEvent, NewPnpEvent;
ULONG PnpEventSize;
UNREFERENCED_PARAMETER(lpParameter);
PnpEventSize = 0x1000;
PnpEvent = HeapAlloc(GetProcessHeap(), 0, PnpEventSize);
if (PnpEvent == NULL)
return ERROR_OUTOFMEMORY;
for (;;)
{
DPRINT("Calling NtGetPlugPlayEvent()\n");
/* Wait for the next PnP event */
Status = NtGetPlugPlayEvent(0, 0, PnpEvent, PnpEventSize);
/* Resize the buffer for the PnP event if it's too small */
if (Status == STATUS_BUFFER_TOO_SMALL)
{
PnpEventSize += 0x400;
NewPnpEvent = HeapReAlloc(GetProcessHeap(), 0, PnpEvent, PnpEventSize);
if (NewPnpEvent == NULL)
{
dwRet = ERROR_OUTOFMEMORY;
break;
}
PnpEvent = NewPnpEvent;
continue;
}
if (!NT_SUCCESS(Status))
{
DPRINT1("NtGetPlugPlayEvent() failed (Status 0x%08lx)\n", Status);
break;
}
/* Process the PnP event */
DPRINT("Received PnP Event\n");
switch (PnpEvent->EventCategory)
{
// case HardwareProfileChangeEvent:
case TargetDeviceChangeEvent:
ProcessTargetDeviceEvent(PnpEvent);
break;
case DeviceClassChangeEvent:
ProcessDeviceClassChangeEvent(PnpEvent);
break;
// case CustomDeviceEvent:
// case DeviceInstallEvent:
// case DeviceArrivalEvent:
// case PowerEvent:
// case VetoEvent:
// case BlockedDriverEvent:
default:
DPRINT1("Unsupported Event Category: %lu\n", PnpEvent->EventCategory);
break;
}
/* Dequeue the current PnP event and signal the next one */
Status = NtPlugPlayControl(PlugPlayControlUserResponse,