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// Copyright © 2006-2010 Travis Robinson. All rights reserved.
//
// website: http://sourceforge.net/projects/libusbdotnet
// e-mail: libusbdotnet@gmail.com
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. or
// visit www.gnu.org.
//
//
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using LibUsbDotNet.Internal;
using LibUsbDotNet.LudnMonoLibUsb;
using Microsoft.Win32;
using MonoLibUsb;
using System.Runtime.InteropServices;
namespace LibUsbDotNet.Main
{
internal static class SetupApiRegistry
{
private static readonly Object mLockSetupApiRegistry = new object();
private static readonly MasterList mMasterSetupApiDeviceList = new MasterList();
private static DateTime mLastRefreshTime = DateTime.MinValue;
public const string DEVICE_ID_KEY = "DeviceInstanceID";
public static bool NeedsRefresh
{
get
{
lock (mLockSetupApiRegistry)
{
if ((DateTime.Now - mLastRefreshTime).TotalMilliseconds >= 1000)
return true;
return false;
}
}
}
private class MasterItem : Dictionary<string, object>
{
public Dictionary<Guid, List<string>> DevicePaths = new Dictionary<Guid, List<string>>();
}
private class MasterList : List<MasterItem>
{
}
public static bool FillDeviceProperties(UsbRegistry usbRegistry, UsbDevice usbDevice)
{
lock (mLockSetupApiRegistry)
{
if (NeedsRefresh) BuildMasterList();
if (usbDevice is MonoUsbDevice && !Helper.IsLinux)
return FillWindowsMonoUsbDeviceRegistry(usbRegistry, (MonoUsbDevice) usbDevice);
string fakeHwId = LegacyUsbRegistry.GetRegistryHardwareID((ushort) usbDevice.Info.Descriptor.VendorID,
(ushort) usbDevice.Info.Descriptor.ProductID,
(ushort) usbDevice.Info.Descriptor.BcdDevice);
bool bFound = false;
string hwIdToFind = fakeHwId.ToLower();
foreach (MasterItem masterItem in mMasterSetupApiDeviceList)
{
string[] hwIds = masterItem[SPDRP.HardwareId.ToString()] as string[];
if (ReferenceEquals(hwIds, null)) continue;
foreach (string hwID in hwIds)
{
if (hwID.ToLower().Contains(hwIdToFind))
{
usbRegistry.mDeviceProperties = masterItem;
bFound = true;
break;
}
}
if (bFound) break;
}
return bFound;
}
}
private static bool FillWindowsMonoUsbDeviceRegistry(UsbRegistry usbRegistry, MonoUsbDevice usbDevice)
{
MonoLibUsb.MonoUsbApi.internal_windows_device_priv priv = MonoLibUsb.MonoUsbApi.GetWindowsPriv(usbDevice.Profile.ProfileHandle);
string path;
for (int i = 0; i < 32; i++)
{
if (priv.usb_interfaces[i].path == IntPtr.Zero) break;
path = Marshal.PtrToStringAnsi(priv.usb_interfaces[i].path);
//Debug.Print("Intf:{0} Path:{1}",i,path);
}
path = Marshal.PtrToStringAnsi(priv.path);
bool bFound = false;
//System.Diagnostics.Debug.WriteLine(sb.ToString());
path = path.ToString().ToLower().Replace("#", "\\");
foreach (MasterItem masterItem in mMasterSetupApiDeviceList)
{
if (path.Contains(masterItem[DEVICE_ID_KEY].ToString().ToLower()))
{
usbRegistry.mDeviceProperties = masterItem;
bFound = true;
break;
}
}
return bFound;
}
public static void BuildMasterList()
{
lock (mLockSetupApiRegistry)
{
mMasterSetupApiDeviceList.Clear();
SetupApi.EnumClassDevs(null, SetupApi.DICFG.PRESENT | SetupApi.DICFG.ALLCLASSES, BuildMasterCallback, mMasterSetupApiDeviceList);
mLastRefreshTime = DateTime.Now;
}
}
private static bool BuildMasterCallback(IntPtr deviceInfoSet, int deviceindex, ref SetupApi.SP_DEVINFO_DATA deviceInfoData, object userData)
{
MasterList deviceList = userData as MasterList;
MasterItem deviceItem = new MasterItem();
StringBuilder sb=new StringBuilder(256);
if (SetupApi.CM_Get_Device_ID(deviceInfoData.DevInst, sb, sb.Capacity, 0)!=SetupApi.CR.SUCCESS)
return false;
deviceItem.Add(DEVICE_ID_KEY,sb.ToString());
deviceList.Add(deviceItem);
RegistryValueKind propertyType;
byte[] propBuffer = new byte[256];
int requiredSize;
bool bSuccess = SetupApi.SetupDiGetCustomDeviceProperty(deviceInfoSet,
ref deviceInfoData,
UsbRegistry.DEVICE_INTERFACE_GUIDS,
SetupApi.DICUSTOMDEVPROP.NONE,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize);
if (bSuccess)
{
string[] devInterfaceGuids = UsbRegistry.GetAsStringArray(propBuffer, requiredSize);
deviceItem.Add(UsbRegistry.DEVICE_INTERFACE_GUIDS, devInterfaceGuids);
foreach (string s in devInterfaceGuids)
{
Guid g = new Guid(s);
List<string> devicePathList;
if (WinUsb.WinUsbRegistry.GetDevicePathList(g, out devicePathList))
{
deviceItem.DevicePaths.Add(g, devicePathList);
}
}
}
else
{
bSuccess = SetupApi.SetupDiGetCustomDeviceProperty(deviceInfoSet,
ref deviceInfoData,
UsbRegistry.LIBUSB_INTERFACE_GUIDS,
SetupApi.DICUSTOMDEVPROP.NONE,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize);
if (bSuccess)
{
string[] devInterfaceGuids = UsbRegistry.GetAsStringArray(propBuffer, requiredSize);
deviceItem.Add(UsbRegistry.LIBUSB_INTERFACE_GUIDS, devInterfaceGuids);
}
}
bSuccess =
SetupApi.SetupDiGetCustomDeviceProperty(deviceInfoSet,
ref deviceInfoData,
UsbRegistry.SYMBOLIC_NAME_KEY,
SetupApi.DICUSTOMDEVPROP.NONE,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize);
if (bSuccess)
{
string symbolicName = UsbRegistry.GetAsString(propBuffer, requiredSize);
deviceItem.Add(UsbRegistry.SYMBOLIC_NAME_KEY, symbolicName);
}
SetupApi.getSPDRPProperties(deviceInfoSet, ref deviceInfoData, deviceItem);
return false;
}
}
}
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