UsbDk: Introduce class describing redirection entity

CUsbDkRedirection class introduced

Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>

UsbDk/ControlDevice.cpp

@@ -300,3 +300,33 @@ bool CUsbDkControlDevice::Allocate()
 
     return true;
 }
+
+NTSTATUS CUsbDkRedirection::Create(const USB_DK_DEVICE_ID &Id)
+{
+    auto status = m_DeviceID.Create(Id.DeviceID);
+    if (!NT_SUCCESS(status))
+    {
+        return status;
+    }
+
+    return m_InstanceID.Create(Id.InstanceID);
+}
+
+void CUsbDkRedirection::Dump() const
+{
+    TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_CONTROLDEVICE,
+                "%!FUNC! Redirect: DevID: %wZ, InstanceID: %wZ",
+                m_DeviceID, m_InstanceID);
+}
+
+bool CUsbDkRedirection::operator==(const USB_DK_DEVICE_ID &Id)
+{
+    return (m_DeviceID == Id.DeviceID) &&
+           (m_InstanceID == Id.InstanceID);
+}
+
+bool CUsbDkRedirection::operator==(const CUsbDkRedirection &Other)
+{
+    return (m_DeviceID == Other.m_DeviceID) &&
+           (m_InstanceID == Other.m_InstanceID);
+}

UsbDk/ControlDevice.h

@@ -36,6 +36,27 @@ private:
     CUsbDkControlDeviceQueue& operator= (const CUsbDkControlDeviceQueue&) = delete;
 };
 
+class CUsbDkRedirection : public CAllocatable<NonPagedPool, 'NRHR'>
+{
+public:
+    NTSTATUS Create(const USB_DK_DEVICE_ID &Id);
+
+    bool operator==(const USB_DK_DEVICE_ID &Id);
+    bool operator==(const CUsbDkRedirection &Other);
+
+    PLIST_ENTRY GetListEntry()
+    { return &m_ListEntry; }
+    static CUsbDkRedirection *GetByListEntry(PLIST_ENTRY entry)
+    { return static_cast<CUsbDkRedirection*>(CONTAINING_RECORD(entry, CUsbDkRedirection, m_ListEntry)); }
+
+    void Dump() const;
+private:
+    CString m_DeviceID;
+    CString m_InstanceID;
+
+    LIST_ENTRY m_ListEntry;
+};
+
 class CUsbDkControlDevice : private CWdfControlDevice, public CAllocatable<NonPagedPool, 'DCHR'>
 {
 public: