// Open the adapter
SU_ADAPTER *SuOpenAdapter(SU *u, char *adapter_id)
{
char filename[MAX_PATH];
void *h;
SU_ADAPTER *a;
SL_IOCTL_EVENT_NAME t;
UINT read_size;
// Validate arguments
if (u == NULL || adapter_id == NULL)
{
return NULL;
}
Format(filename, sizeof(filename), SL_ADAPTER_DEVICE_FILENAME_WIN32, adapter_id);
h = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
if (h == INVALID_HANDLE_VALUE)
{
Debug("Create File %s failed. %u\n", filename, GetLastError());
return NULL;
}
else
{
Debug("Create File %s ok.\n", filename);
}
a = ZeroMalloc(sizeof(SU_ADAPTER));
StrCpy(a->AdapterId, sizeof(a->AdapterId), adapter_id);
StrCpy(a->DeviceName, sizeof(a->DeviceName), filename);
a->hFile = h;
Zero(&t, sizeof(t));
// Get the event name
if (DeviceIoControl(h, SL_IOCTL_GET_EVENT_NAME, &t, sizeof(t), &t, sizeof(t), &read_size, NULL) == false)
{
// Acquisition failure
SuCloseAdapter(a);
return NULL;
}
Debug("Event Name: %s\n", t.EventNameWin32);
// Get the event
a->hEvent = OpenEvent(EVENT_ALL_ACCESS, FALSE, t.EventNameWin32);
if (a->hEvent == NULL)
{
// Acquisition failure
SuCloseAdapter(a);
return NULL;
}
return a;
}
// Close adapter
void CloseEth(ETH *e)
{
BLOCK *b;
// Validate arguments
if (e == NULL)
{
return;
}
ReleaseCancel(e->Cancel);
if (e->SuAdapter != NULL)
{
// Close SeLow adapter
SuCloseAdapter(e->SuAdapter);
SuFree(e->Su);
}
else
{
// Close SEE adapter
wp->PacketCloseAdapter(e->Adapter);
wp->PacketFreePacket(e->Packet);
wp->PacketFreePacket(e->PutPacket);
}
while (b = GetNext(e->PacketQueue))
{
FreeBlock(b);
}
ReleaseQueue(e->PacketQueue);
Free(e->Name);
Free(e->Title);
Free(e->Buffer);
Free(e);
}
