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