1 files changed, 100 insertions, 0 deletions
diff --git a/host/windows/usb/driver/android_usb_file_object.cpp b/host/windows/usb/driver/android_usb_file_object.cpp
new file mode 100644
index 000000000..e5ce0a26b
--- /dev/null
+++ b/host/windows/usb/driver/android_usb_file_object.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/** \file
+  This file consists of implementation of class AndroidUsbFileObject that
+  encapsulates a common extension for all KMDF file object types.
+*/
+#pragma data_seg()
+#pragma code_seg()
+
+#include "precomp.h"
+#include "android_usb_file_object.h"
+
+#pragma data_seg()
+#pragma code_seg("PAGE")
+
+AndroidUsbFileObject::AndroidUsbFileObject(AndroidUsbFileObjectType fo_type,
+                                           AndroidUsbDeviceObject* dev_obj,
+                                           WDFFILEOBJECT wdf_fo)
+    : AndroidUsbWdfObject(AndroidUsbWdfObjectTypeFile),
+      file_type_(fo_type),
+      device_object_(dev_obj) {
+  ASSERT_IRQL_PASSIVE();
+  ASSERT(NULL != dev_obj);
+  ASSERT(fo_type < AndroidUsbFileObjectTypeMax);
+  ASSERT(NULL != wdf_fo);
+  set_wdf_object(wdf_fo);
+}
+
+#pragma code_seg()
+
+AndroidUsbFileObject::~AndroidUsbFileObject() {
+  ASSERT_IRQL_LOW_OR_DISPATCH();
+}
+
+#pragma code_seg("PAGE")
+
+NTSTATUS AndroidUsbFileObject::Initialize() {
+  ASSERT_IRQL_LOW();
+  ASSERT(NULL != wdf_file());
+  if (NULL == wdf_file())
+    return STATUS_INTERNAL_ERROR;
+  
+  // Register context for this file object
+  return InitializeContext();
+}
+
+#pragma code_seg()
+
+void AndroidUsbFileObject::OnEvtIoRead(WDFREQUEST request,
+                                       size_t length) {
+  ASSERT_IRQL_LOW_OR_DISPATCH();
+  ASSERT(WdfRequestGetFileObject(request) == wdf_file());
+  // Complete zero reads with success
+  if (0 == length) {
+    WdfRequestCompleteWithInformation(request, STATUS_SUCCESS, 0);
+    return;
+  }
+
+  WdfRequestComplete(request, STATUS_INVALID_DEVICE_REQUEST);
+}
+
+void AndroidUsbFileObject::OnEvtIoWrite(WDFREQUEST request,
+                                        size_t length) {
+  ASSERT_IRQL_LOW_OR_DISPATCH();
+  ASSERT(WdfRequestGetFileObject(request) == wdf_file());
+  // Complete zero writes with success
+  if (0 == length) {
+    WdfRequestCompleteWithInformation(request, STATUS_SUCCESS, 0);
+    return;
+  }
+
+  WdfRequestComplete(request, STATUS_INVALID_DEVICE_REQUEST);
+}
+
+void AndroidUsbFileObject::OnEvtIoDeviceControl(WDFREQUEST request,
+                                                size_t output_buf_len,
+                                                size_t input_buf_len,
+                                                ULONG ioctl_code) {
+  ASSERT_IRQL_LOW_OR_DISPATCH();
+  ASSERT(WdfRequestGetFileObject(request) == wdf_file());
+
+  WdfRequestComplete(request, STATUS_INVALID_DEVICE_REQUEST);
+}
+
+#pragma data_seg()
+#pragma code_seg()