connection.cpp File Reference

#include "private.hpp"
#include <debug.h>

Include dependency graph for connection.cpp:

Go to the source code of this file.

Classes
class	CUnregisterPhysicalConnection

Macros
#define	NDEBUG

Functions
NTSYSAPI BOOLEAN NTAPI	RtlCreateUnicodeString (PUNICODE_STRING DestinationString, PCWSTR SourceString)
static NTSTATUS	UnRegisterConnection (IN OUT PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN PUNICODE_STRING ToString, IN ULONG ToPin)
NTSTATUS NTAPI	NewIUnregisterPhysicalConnection (OUT PUNREGISTERPHYSICALCONNECTION *OutConnection)
NTSTATUS	RegisterConnection (IN OUT PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN PUNICODE_STRING ToString, IN ULONG ToPin)
NTSTATUS NTAPI	PcRegisterPhysicalConnection (IN PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN ULONG ToPin)
NTSTATUS NTAPI	PcRegisterPhysicalConnectionFromExternal (IN PDEVICE_OBJECT DeviceObject, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN ULONG ToPin)
NTSTATUS NTAPI	PcRegisterPhysicalConnectionToExternal (IN PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN ULONG FromPin, IN PUNICODE_STRING ToString, IN ULONG ToPin)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 11 of file connection.cpp.

Function Documentation

NewIUnregisterPhysicalConnection()

NTSTATUS NTAPI NewIUnregisterPhysicalConnection

(

OUT PUNREGISTERPHYSICALCONNECTION *

OutConnection

)

Definition at line 124 of file connection.cpp.

{
 
    CUnregisterPhysicalConnection *new_ptr = new(NonPagedPool, TAG_PORTCLASS) CUnregisterPhysicalConnection(NULL);
 
    if (!new_ptr)
        return STATUS_INSUFFICIENT_RESOURCES;
 
    new_ptr->AddRef();
    *OutConnection = (PUNREGISTERPHYSICALCONNECTION)new_ptr;
    return STATUS_SUCCESS;
}

Referenced by CPortDMus::QueryInterface(), CPortTopology::QueryInterface(), CPortWaveCyclic::QueryInterface(), CPortWavePci::QueryInterface(), and CPortWaveRT::QueryInterface().

PcRegisterPhysicalConnection()

NTSTATUS NTAPI PcRegisterPhysicalConnection	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PUNKNOWN	FromUnknown,
		IN ULONG	FromPin,
		IN PUNKNOWN	ToUnknown,
		IN ULONG	ToPin
	)

Definition at line 259 of file connection.cpp.

{
    DPRINT("PcRegisterPhysicalConnection\n");
    PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 
    if (!DeviceObject || !FromUnknown || !ToUnknown)
        return STATUS_INVALID_PARAMETER;
 
    return RegisterConnection(DeviceObject, FromUnknown, NULL, FromPin, ToUnknown, NULL, ToPin);
}

Referenced by StartDevice().

PcRegisterPhysicalConnectionFromExternal()

NTSTATUS NTAPI PcRegisterPhysicalConnectionFromExternal	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PUNICODE_STRING	FromString,
		IN ULONG	FromPin,
		IN PUNKNOWN	ToUnknown,
		IN ULONG	ToPin
	)

Definition at line 277 of file connection.cpp.

{
    PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 
    if (!DeviceObject || !FromString || !ToUnknown)
        return STATUS_INVALID_PARAMETER;
 
    return RegisterConnection(DeviceObject, NULL, FromString, FromPin, ToUnknown, NULL, ToPin);
}

PcRegisterPhysicalConnectionToExternal()

NTSTATUS NTAPI PcRegisterPhysicalConnectionToExternal	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PUNKNOWN	FromUnknown,
		IN ULONG	FromPin,
		IN PUNICODE_STRING	ToString,
		IN ULONG	ToPin
	)

Definition at line 294 of file connection.cpp.

{
    PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 
    if (!DeviceObject || !FromUnknown || !ToString)
        return STATUS_INVALID_PARAMETER;
 
    return RegisterConnection(DeviceObject, FromUnknown, NULL, FromPin, NULL, ToString, ToPin);
}

RegisterConnection()

NTSTATUS RegisterConnection	(	IN OUT PDEVICE_OBJECT	DeviceObject,
		IN PUNKNOWN	FromUnknown,
		IN PUNICODE_STRING	FromString,
		IN ULONG	FromPin,
		IN PUNKNOWN	ToUnknown,
		IN PUNICODE_STRING	ToString,
		IN ULONG	ToPin
	)

Definition at line 139 of file connection.cpp.

{
    PSUBDEVICE_DESCRIPTOR FromSubDeviceDescriptor = NULL, ToSubDeviceDescriptor = NULL;
    PSYMBOLICLINK_ENTRY SymEntry;
    ISubdevice * FromSubDevice = NULL, *ToSubDevice = NULL;
    NTSTATUS Status;
    PPHYSICAL_CONNECTION_ENTRY FromEntry = NULL, ToEntry = NULL;
 
    if (FromUnknown)
    {
        Status = FromUnknown->QueryInterface(IID_ISubdevice, (PVOID*)&FromSubDevice);
        if (!NT_SUCCESS(Status))
            goto cleanup;
 
        Status = FromSubDevice->GetDescriptor(&FromSubDeviceDescriptor);
        if (!NT_SUCCESS(Status))
            goto cleanup;
 
        if (IsListEmpty(&FromSubDeviceDescriptor->SymbolicLinkList))
        {
            Status = STATUS_UNSUCCESSFUL;
            goto cleanup;
        }
 
        SymEntry = (PSYMBOLICLINK_ENTRY)CONTAINING_RECORD(FromSubDeviceDescriptor->SymbolicLinkList.Flink, SYMBOLICLINK_ENTRY, Entry);
        FromString = &SymEntry->SymbolicLink;
    }
 
    if (ToUnknown)
    {
        Status = ToUnknown->QueryInterface(IID_ISubdevice, (PVOID*)&ToSubDevice);
        if (!NT_SUCCESS(Status))
            goto cleanup;
 
        Status = ToSubDevice->GetDescriptor(&ToSubDeviceDescriptor);
        if (!NT_SUCCESS(Status))
            goto cleanup;
 
        if (IsListEmpty(&ToSubDeviceDescriptor->SymbolicLinkList))
        {
            Status = STATUS_UNSUCCESSFUL;
            goto cleanup;
        }
 
        SymEntry = (PSYMBOLICLINK_ENTRY)CONTAINING_RECORD(ToSubDeviceDescriptor->SymbolicLinkList.Flink, SYMBOLICLINK_ENTRY, Entry);
        ToString = &SymEntry->SymbolicLink;
 
    }
 
    if (FromSubDeviceDescriptor)
    {
        FromEntry = (PPHYSICAL_CONNECTION_ENTRY)AllocateItem(NonPagedPool, sizeof(PHYSICAL_CONNECTION_ENTRY) + ToString->MaximumLength + sizeof(WCHAR), TAG_PORTCLASS);
        if (!FromEntry)
        {
            Status = STATUS_INSUFFICIENT_RESOURCES;
            goto cleanup;
        }
    }
 
    if (ToSubDeviceDescriptor)
    {
        ToEntry = (PPHYSICAL_CONNECTION_ENTRY)AllocateItem(NonPagedPool, sizeof(PHYSICAL_CONNECTION_ENTRY) + FromString->MaximumLength + sizeof(WCHAR), TAG_PORTCLASS);
        if (!ToEntry)
        {
            Status = STATUS_INSUFFICIENT_RESOURCES;
            goto cleanup;
        }
    }
 
    if (FromSubDeviceDescriptor)
    {
        FromEntry->FromPin = FromPin;
        FromEntry->Connection.Pin = ToPin;
        FromEntry->Connection.Size = sizeof(KSPIN_PHYSICALCONNECTION) + ToString->MaximumLength + sizeof(WCHAR);
        RtlMoveMemory(&FromEntry->Connection.SymbolicLinkName, ToString->Buffer, ToString->MaximumLength);
        FromEntry->Connection.SymbolicLinkName[ToString->Length / sizeof(WCHAR)] = UNICODE_NULL;
 
        InsertTailList(&FromSubDeviceDescriptor->PhysicalConnectionList, &FromEntry->Entry);
    }
 
    if (ToSubDeviceDescriptor)
    {
        ToEntry->FromPin = ToPin;
        ToEntry->Connection.Pin = FromPin;
        ToEntry->Connection.Size = sizeof(KSPIN_PHYSICALCONNECTION) + FromString->MaximumLength + sizeof(WCHAR);
        RtlMoveMemory(&ToEntry->Connection.SymbolicLinkName, FromString->Buffer, FromString->MaximumLength);
        ToEntry->Connection.SymbolicLinkName[FromString->Length /  sizeof(WCHAR)] = UNICODE_NULL;
 
        InsertTailList(&ToSubDeviceDescriptor->PhysicalConnectionList, &ToEntry->Entry);
 
    }
 
    return STATUS_SUCCESS;
 
cleanup:
 
    if (FromSubDevice)
        FromSubDevice->Release();
 
    if (ToSubDevice)
        ToSubDevice->Release();
 
    if (FromEntry)
        FreeItem(FromEntry, TAG_PORTCLASS);
 
    if (ToEntry)
        FreeItem(ToEntry, TAG_PORTCLASS);
 
    return Status;
}

Referenced by PcRegisterPhysicalConnection(), PcRegisterPhysicalConnectionFromExternal(), and PcRegisterPhysicalConnectionToExternal().

RtlCreateUnicodeString()

NTSYSAPI BOOLEAN NTAPI RtlCreateUnicodeString	(	PUNICODE_STRING	DestinationString,
		PCWSTR	SourceString
	)

Referenced by AppendUnicodeString(), BaseGetVdmConfigInfo(), BaseInitializeStaticServerData(), BootLoaderInstallPage(), CmpInitializeMachineDependentConfiguration(), CmpInitializeSystemHive(), CreateDeviceFromRegistry(), CreateNestedKey(), FdcFdoQueryBusRelations(), get_manifest_in_module(), get_res_nameW(), GetSourcePaths(), InitDestinationPaths(), InitFunctionPtrs(), IntLoadFontsInRegistry(), IntLoadFontSubstList(), IopInitializeBuiltinDriver(), IopInitializePlugPlayServices(), LoadLibraryExW(), LoadSetupInf(), MmGetFileNameForAddress(), MountFloppy(), NtVdmConfigureFloppy(), NtVdmConfigureHDD(), PartitionCreateDevice(), PartitionHandleQueryId(), PartitionHandleStartDevice(), PciCreateDeviceDescriptionString(), PciCreateDeviceIDString(), PciCreateDeviceLocationString(), PciCreateInstanceIDString(), PnpRootCreateDevice(), PnpRootRegisterDevice(), PrepareAndDoCopyThread(), ReadRegistryEntries(), RtlConvertSidToUnicodeString(), RtlLargeStringToUnicodeString(), ScsiPortInitialize(), SeiAddHooks(), SeiCreateShimModuleInfo(), SetDllDirectoryW(), SmpHandleConnectionRequest(), SmpParseCommandLine(), StartServiceCtrlDispatcherW(), UserCreateWinstaDirectory(), WaitNamedPipeW(), and WinLdrAddDriverToList().

UnRegisterConnection()

static NTSTATUS UnRegisterConnection ( IN OUT PDEVICE_OBJECT  DeviceObject, IN PUNKNOWN  FromUnknown, IN PUNICODE_STRING  FromString, IN ULONG  FromPin, IN PUNKNOWN  ToUnknown, IN PUNICODE_STRING  ToString, IN ULONG  ToPin  )

static

Definition at line 64 of file connection.cpp.

{
    UNIMPLEMENTED;
    return STATUS_NOT_IMPLEMENTED;
}