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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 LibUsbDotNet.Internal;
using LibUsbDotNet.Main;
using MonoLibUsb;
namespace LibUsbDotNet
{
partial class UsbDevice
{
internal static void FireUsbError(object sender, UsbError usbError)
{
EventHandler<UsbError> temp = UsbErrorEvent;
if (!ReferenceEquals(null, temp))
temp(sender, usbError);
}
}
/// <summary> Describes a Usb error or setup API error.
/// </summary>
public class UsbError : EventArgs
{
internal static int mLastErrorNumber;
internal static string mLastErrorString = String.Empty;
///// <summary>
///// The the error is <see cref="Handled"/> field is set to true for errors resulting from endpoint read/write errors. The operation will retry instead of exiting with an error code.
///// </summary>
//public bool Handled;
internal string mDescription;
internal ErrorCode mErrorCode;
private object mSender;
internal int mWin32ErrorNumber;
internal string mWin32ErrorString = "None";
internal UsbError(ErrorCode errorCode, int win32ErrorNumber, string win32ErrorString, string description, object sender)
{
mSender = sender;
string senderText = String.Empty;
if ((mSender is UsbEndpointBase)|| (mSender is UsbTransfer))
{
UsbEndpointBase ep;
if (mSender is UsbTransfer)
ep = ((UsbTransfer)mSender).EndpointBase;
else
ep = mSender as UsbEndpointBase;
if (ep.mEpNum != 0)
{
senderText = senderText+=string.Format(" Ep 0x{0:X2} ", ep.mEpNum);
}
}
else if (mSender is Type)
{
Type t = mSender as Type;
senderText = senderText += string.Format(" {0} ", t.Name);
}
mErrorCode = errorCode;
mWin32ErrorNumber = win32ErrorNumber;
mWin32ErrorString = win32ErrorString;
mDescription = description + senderText;
}
/// <summary>
/// The sender of the exception.
/// </summary>
public object Sender
{
get { return mSender; }
}
/// <summary>
/// Gets the general errorcode.
/// </summary>
public ErrorCode ErrorCode
{
get { return mErrorCode; }
}
/// <summary>
/// Gets the Windows specific error number. Only valid when <see cref="ErrorCode"/> is set to <see cref="Main.ErrorCode"/>.<see cref="Main.ErrorCode.Win32Error"/>.
/// </summary>
public int Win32ErrorNumber
{
get { return mWin32ErrorNumber; }
}
/// <summary>
/// Gets the general description for the error.
/// </summary>
public string Description
{
get { return mDescription; }
}
/// <summary>
/// Gets the Windows specific error string. Only valid when <see cref="ErrorCode"/> is set to <see cref="Main.ErrorCode"/>.<see cref="Main.ErrorCode.Win32Error"/>.
/// </summary>
public string Win32ErrorString
{
get { return mWin32ErrorString; }
}
///<summary>
///Returns a <see cref="T:System.String"/> that represents the current <see cref="UsbError"/>.
///</summary>
///
///<returns>
///A <see cref="System.String"/> that represents the current <see cref="UsbError"/>.
///</returns>
public override string ToString()
{
if (Win32ErrorNumber != 0)
{
return String.Format("{0}:{1}\r\n{2}:{3}", ErrorCode, Description, Win32ErrorNumber, mWin32ErrorString);
}
return String.Format("{0}:{1}", ErrorCode, Description);
}
internal static UsbError Error(ErrorCode errorCode, int ret, string description, object sender)
{
string win32Error = String.Empty;
if (errorCode == ErrorCode.Win32Error && !UsbDevice.IsLinux && ret != 0)
{
win32Error = Kernel32.FormatSystemMessage(ret);
}
else if (errorCode == ErrorCode.MonoApiError && ret != 0)
{
win32Error = ((MonoUsbError) ret) + ":" + MonoUsbApi.StrError((MonoUsbError) ret);
}
UsbError err = new UsbError(errorCode, ret, win32Error, description, sender);
lock (mLastErrorString)
{
mLastErrorNumber = (int) err.ErrorCode;
mLastErrorString = err.ToString();
}
UsbDevice.FireUsbError(sender, err);
return err;
}
}
}
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