auto import from //depot/cupcake/@135843
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The Android Open Source Project
344
host/windows/usb/api/adb_interface.cpp
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344
host/windows/usb/api/adb_interface.cpp
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/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/** \file
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This file consists of implementation of class AdbInterfaceObject that
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encapsulates an interface on our USB device.
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*/
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#include "stdafx.h"
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#include "adb_interface.h"
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#include "adb_endpoint_object.h"
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AdbInterfaceObject::AdbInterfaceObject(const wchar_t* interf_name)
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: AdbObjectHandle(AdbObjectTypeInterface),
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interface_name_(interf_name) {
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ATLASSERT(NULL != interf_name);
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}
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AdbInterfaceObject::~AdbInterfaceObject() {
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}
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ADBAPIHANDLE AdbInterfaceObject::CreateHandle() {
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// Open USB device for this intefface
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HANDLE usb_device_handle = CreateFile(interface_name().c_str(),
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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0,
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NULL);
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if (INVALID_HANDLE_VALUE == usb_device_handle)
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return NULL;
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// Now, we ensured that our usb device / interface is up and running.
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// Lets collect device, interface and pipe information
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bool ok = true;
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if (!CacheUsbDeviceDescriptor(usb_device_handle) ||
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!CacheUsbConfigurationDescriptor(usb_device_handle) ||
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!CacheUsbInterfaceDescriptor(usb_device_handle)) {
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ok = false;
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}
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// Preserve error accross handle close
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ULONG error = ok ? NO_ERROR : GetLastError();
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::CloseHandle(usb_device_handle);
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if (NO_ERROR != error)
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SetLastError(error);
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if (!ok)
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return false;
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return AdbObjectHandle::CreateHandle();
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}
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bool AdbInterfaceObject::GetInterfaceName(void* buffer,
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unsigned long* buffer_char_size,
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bool ansi) {
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// Lets see if buffer is big enough
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ULONG name_len = static_cast<ULONG>(interface_name_.length() + 1);
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if ((NULL == buffer) || (*buffer_char_size < name_len)) {
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*buffer_char_size = name_len;
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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return false;
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}
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if (!ansi) {
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// If user asked for wide char name just return it
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wcscpy(reinterpret_cast<wchar_t*>(buffer), interface_name().c_str());
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return true;
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}
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// We need to convert name from wide char to ansi string
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int res = WideCharToMultiByte(CP_ACP,
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0,
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interface_name().c_str(),
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static_cast<int>(name_len),
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reinterpret_cast<PSTR>(buffer),
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static_cast<int>(*buffer_char_size),
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NULL,
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NULL);
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return (res != 0);
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}
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bool AdbInterfaceObject::GetSerialNumber(void* buffer,
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unsigned long* buffer_char_size,
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bool ansi) {
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if (!IsOpened()) {
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SetLastError(ERROR_INVALID_HANDLE);
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return false;
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}
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// Open USB device for this intefface
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HANDLE usb_device_handle = CreateFile(interface_name().c_str(),
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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0,
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NULL);
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if (INVALID_HANDLE_VALUE == usb_device_handle)
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return NULL;
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WCHAR serial_number[512];
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// Send IOCTL
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DWORD ret_bytes = 0;
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BOOL ret = DeviceIoControl(usb_device_handle,
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ADB_IOCTL_GET_SERIAL_NUMBER,
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NULL, 0,
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serial_number, sizeof(serial_number),
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&ret_bytes,
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NULL);
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// Preserve error accross CloseHandle
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ULONG error = ret ? NO_ERROR : GetLastError();
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::CloseHandle(usb_device_handle);
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if (NO_ERROR != error) {
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SetLastError(error);
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return false;
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}
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unsigned long str_len =
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static_cast<unsigned long>(wcslen(serial_number) + 1);
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if ((NULL == buffer) || (*buffer_char_size < str_len)) {
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*buffer_char_size = str_len;
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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return false;
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}
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if (!ansi) {
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// If user asked for wide char name just return it
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wcscpy(reinterpret_cast<wchar_t*>(buffer), serial_number);
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return true;
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}
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// We need to convert name from wide char to ansi string
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int res = WideCharToMultiByte(CP_ACP,
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0,
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serial_number,
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static_cast<int>(str_len),
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reinterpret_cast<PSTR>(buffer),
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static_cast<int>(*buffer_char_size),
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NULL,
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NULL);
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return (res != 0);
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}
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bool AdbInterfaceObject::GetUsbDeviceDescriptor(USB_DEVICE_DESCRIPTOR* desc) {
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if (!IsOpened()) {
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SetLastError(ERROR_INVALID_HANDLE);
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return false;
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}
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CopyMemory(desc, usb_device_descriptor(), sizeof(USB_DEVICE_DESCRIPTOR));
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return true;
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}
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bool AdbInterfaceObject::GetUsbConfigurationDescriptor(
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USB_CONFIGURATION_DESCRIPTOR* desc) {
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if (!IsOpened()) {
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SetLastError(ERROR_INVALID_HANDLE);
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return false;
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}
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CopyMemory(desc, usb_config_descriptor(),
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sizeof(USB_CONFIGURATION_DESCRIPTOR));
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return true;
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}
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bool AdbInterfaceObject::GetUsbInterfaceDescriptor(
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USB_INTERFACE_DESCRIPTOR* desc) {
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if (!IsOpened()) {
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SetLastError(ERROR_INVALID_HANDLE);
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return false;
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}
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CopyMemory(desc, usb_interface_descriptor(), sizeof(USB_INTERFACE_DESCRIPTOR));
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return true;
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}
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bool AdbInterfaceObject::GetEndpointInformation(UCHAR endpoint_index,
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AdbEndpointInformation* info) {
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if (!IsOpened()) {
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SetLastError(ERROR_INVALID_HANDLE);
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return false;
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}
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// Open USB device for this intefface
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HANDLE usb_device_handle = CreateFile(interface_name().c_str(),
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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0,
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NULL);
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if (INVALID_HANDLE_VALUE == usb_device_handle)
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return NULL;
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// Init ICTL param
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AdbQueryEndpointInformation param;
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param.endpoint_index = endpoint_index;
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// Send IOCTL
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DWORD ret_bytes = 0;
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BOOL ret = DeviceIoControl(usb_device_handle,
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ADB_IOCTL_GET_ENDPOINT_INFORMATION,
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¶m, sizeof(param),
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info, sizeof(AdbEndpointInformation),
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&ret_bytes,
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NULL);
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ATLASSERT(!ret || (sizeof(AdbEndpointInformation) == ret_bytes));
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// Preserve error accross CloseHandle
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ULONG error = ret ? NO_ERROR : GetLastError();
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::CloseHandle(usb_device_handle);
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if (NO_ERROR != error)
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SetLastError(error);
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return ret ? true : false;
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}
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ADBAPIHANDLE AdbInterfaceObject::OpenEndpoint(
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UCHAR endpoint_index,
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AdbOpenAccessType access_type,
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AdbOpenSharingMode sharing_mode) {
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// Convert index into name
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std::wstring endpoint_name;
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try {
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if (ADB_QUERY_BULK_READ_ENDPOINT_INDEX == endpoint_index) {
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endpoint_name = DEVICE_BULK_READ_PIPE_NAME;
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} else if (ADB_QUERY_BULK_WRITE_ENDPOINT_INDEX == endpoint_index) {
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endpoint_name = DEVICE_BULK_WRITE_PIPE_NAME;
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} else {
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wchar_t fmt[265];
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swprintf(fmt, L"%ws%u", DEVICE_PIPE_NAME_PREFIX, endpoint_index);
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endpoint_name = fmt;
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}
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} catch (...) {
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SetLastError(ERROR_OUTOFMEMORY);
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return NULL;
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}
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return OpenEndpoint(endpoint_name.c_str(), access_type, sharing_mode);
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}
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ADBAPIHANDLE AdbInterfaceObject::OpenEndpoint(
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const wchar_t* endpoint_name,
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AdbOpenAccessType access_type,
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AdbOpenSharingMode sharing_mode) {
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if (!IsOpened()) {
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SetLastError(ERROR_INVALID_HANDLE);
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return false;
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}
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AdbEndpointObject* adb_endpoint = NULL;
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try {
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adb_endpoint = new AdbEndpointObject(this);
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} catch (...) {
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SetLastError(ERROR_OUTOFMEMORY);
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return NULL;
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}
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// Build full path to the object
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std::wstring endpoint_path = interface_name();
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endpoint_path += L"\\";
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endpoint_path += endpoint_name;
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ADBAPIHANDLE ret = adb_endpoint->CreateHandle(endpoint_path.c_str(),
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access_type,
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sharing_mode);
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adb_endpoint->Release();
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return ret;
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}
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bool AdbInterfaceObject::CacheUsbDeviceDescriptor(HANDLE usb_device_handle) {
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DWORD ret_bytes = 0;
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BOOL ret = DeviceIoControl(usb_device_handle,
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ADB_IOCTL_GET_USB_DEVICE_DESCRIPTOR,
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NULL, 0,
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&usb_device_descriptor_,
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sizeof(usb_device_descriptor_),
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&ret_bytes,
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NULL);
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ATLASSERT(!ret || (sizeof(USB_DEVICE_DESCRIPTOR) == ret_bytes));
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return ret ? true : false;
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}
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bool AdbInterfaceObject::CacheUsbConfigurationDescriptor(
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HANDLE usb_device_handle) {
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DWORD ret_bytes = 0;
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BOOL ret = DeviceIoControl(usb_device_handle,
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ADB_IOCTL_GET_USB_CONFIGURATION_DESCRIPTOR,
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NULL, 0,
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&usb_config_descriptor_,
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sizeof(usb_config_descriptor_),
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&ret_bytes,
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NULL);
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ATLASSERT(!ret || (sizeof(USB_CONFIGURATION_DESCRIPTOR) == ret_bytes));
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return ret ? true : false;
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}
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bool AdbInterfaceObject::CacheUsbInterfaceDescriptor(
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HANDLE usb_device_handle) {
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DWORD ret_bytes = 0;
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BOOL ret = DeviceIoControl(usb_device_handle,
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ADB_IOCTL_GET_USB_INTERFACE_DESCRIPTOR,
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NULL, 0,
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&usb_interface_descriptor_,
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sizeof(usb_interface_descriptor_),
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&ret_bytes,
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NULL);
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ATLASSERT(!ret || (sizeof(USB_INTERFACE_DESCRIPTOR) == ret_bytes));
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return ret ? true : false;
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}
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