adb_interface.cpp revision 8267511c96e3226e45a0be773ee442b66261824d 
1/*
2 * Copyright (C) 2006 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 AdbInterfaceObject that
19  encapsulates a generic interface on our USB device.
20*/
21
22#include "stdafx.h"
23#include "adb_interface.h"
24
25AdbInterfaceObject::AdbInterfaceObject(const wchar_t* interf_name)
26    : AdbObjectHandle(AdbObjectTypeInterface),
27      interface_name_(interf_name) {
28  ATLASSERT(NULL != interf_name);
29}
30
31AdbInterfaceObject::~AdbInterfaceObject() {
32}
33
34bool AdbInterfaceObject::GetInterfaceName(void* buffer,
35                                          unsigned long* buffer_char_size,
36                                          bool ansi) {
37  if (NULL == buffer_char_size) {
38    SetLastError(ERROR_INVALID_PARAMETER);
39    return false;
40  }
41
42  // Lets see if buffer is big enough
43  ULONG name_len = static_cast<ULONG>(interface_name_.length() + 1);
44  if ((NULL == buffer) || (*buffer_char_size < name_len)) {
45    *buffer_char_size = name_len;
46    SetLastError(ERROR_INSUFFICIENT_BUFFER);
47    return false;
48  }
49
50  if (!ansi) {
51    // If user asked for wide char name just return it
52    wcscpy(reinterpret_cast<wchar_t*>(buffer), interface_name().c_str());
53    return true;
54  }
55
56  // We need to convert name from wide char to ansi string
57  int res = WideCharToMultiByte(CP_ACP,
58                                0,
59                                interface_name().c_str(),
60                                static_cast<int>(name_len),
61                                reinterpret_cast<PSTR>(buffer),
62                                static_cast<int>(*buffer_char_size),
63                                NULL,
64                                NULL);
65  return (res != 0);
66}
67
68bool AdbInterfaceObject::GetUsbDeviceDescriptor(USB_DEVICE_DESCRIPTOR* desc) {
69  if (!IsOpened()) {
70    SetLastError(ERROR_INVALID_HANDLE);
71    return false;
72  }
73
74  if (NULL == desc) {
75    SetLastError(ERROR_INVALID_PARAMETER);
76    return false;
77  }
78
79  CopyMemory(desc, usb_device_descriptor(), sizeof(USB_DEVICE_DESCRIPTOR));
80
81  return true;
82}
83
84bool AdbInterfaceObject::GetUsbConfigurationDescriptor(
85    USB_CONFIGURATION_DESCRIPTOR* desc) {
86  if (!IsOpened()) {
87    SetLastError(ERROR_INVALID_HANDLE);
88    return false;
89  }
90
91  if (NULL == desc) {
92    SetLastError(ERROR_INVALID_PARAMETER);
93    return false;
94  }
95
96  CopyMemory(desc, usb_config_descriptor(),
97             sizeof(USB_CONFIGURATION_DESCRIPTOR));
98
99  return true;
100}
101
102bool AdbInterfaceObject::GetUsbInterfaceDescriptor(
103    USB_INTERFACE_DESCRIPTOR* desc) {
104  if (!IsOpened()) {
105    SetLastError(ERROR_INVALID_HANDLE);
106    return false;
107  }
108
109  if (NULL == desc) {
110    SetLastError(ERROR_INVALID_PARAMETER);
111    return false;
112  }
113
114  CopyMemory(desc, usb_interface_descriptor(), sizeof(USB_INTERFACE_DESCRIPTOR));
115
116  return true;
117}
118