1 /*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 /** \file
18 This file consists of implementation of class AdbIOCompletion that
19 encapsulates a generic wrapper around OVERLAPPED Win32 structure
20 returned from asynchronous I/O requests.
21 */
22
23 #include "stdafx.h"
24 #include "adb_io_completion.h"
25
AdbIOCompletion(AdbEndpointObject * parent_io_obj,ULONG expected_trans_size,HANDLE event_hndl)26 AdbIOCompletion::AdbIOCompletion(AdbEndpointObject* parent_io_obj,
27 ULONG expected_trans_size,
28 HANDLE event_hndl)
29 : AdbObjectHandle(AdbObjectTypeIoCompletion),
30 expected_transfer_size_(expected_trans_size),
31 parent_io_object_(parent_io_obj) {
32 ATLASSERT(NULL != parent_io_obj);
33 parent_io_obj->AddRef();
34 ZeroMemory(&overlapped_, sizeof(overlapped_));
35 overlapped_.hEvent = event_hndl;
36 }
37
~AdbIOCompletion()38 AdbIOCompletion::~AdbIOCompletion() {
39 parent_io_object_->Release();
40 }
41
IsCompleted()42 bool AdbIOCompletion::IsCompleted() {
43 SetLastError(NO_ERROR);
44 if (!IsOpened()) {
45 SetLastError(ERROR_INVALID_HANDLE);
46 return true;
47 }
48
49 return HasOverlappedIoCompleted(overlapped()) ? true : false;
50 }
51