diff options
Diffstat (limited to 'Emby.Server.Implementations/IO/SharpCifs/Smb/SmbException.cs')
| -rw-r--r-- | Emby.Server.Implementations/IO/SharpCifs/Smb/SmbException.cs | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbException.cs b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbException.cs new file mode 100644 index 000000000..ea8a0b846 --- /dev/null +++ b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbException.cs @@ -0,0 +1,212 @@ +// This code is derived from jcifs smb client library <jcifs at samba dot org> +// Ported by J. Arturo <webmaster at komodosoft dot net> +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// +// This library 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 +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +using System; +using System.IO; +using SharpCifs.Util; +using SharpCifs.Util.Sharpen; + +namespace SharpCifs.Smb +{ + /// <summary> + /// There are hundreds of error codes that may be returned by a CIFS + /// server. + /// </summary> + /// <remarks> + /// There are hundreds of error codes that may be returned by a CIFS + /// server. Rather than represent each with it's own <code>Exception</code> + /// class, this class represents all of them. For many of the popular + /// error codes, constants and text messages like "The device is not ready" + /// are provided. + /// <p> + /// The jCIFS client maps DOS error codes to NTSTATUS codes. This means that + /// the user may recieve a different error from a legacy server than that of + /// a newer varient such as Windows NT and above. If you should encounter + /// such a case, please report it to jcifs at samba dot org and we will + /// change the mapping. + /// </remarks> + + public class SmbException : IOException + { + + internal static string GetMessageByCode(int errcode) + { + if (errcode == 0) + { + return "NT_STATUS_SUCCESS"; + } + if ((errcode & unchecked((int)(0xC0000000))) == unchecked((int)(0xC0000000))) + { + int min = 1; + int max = NtStatus.NtStatusCodes.Length - 1; + while (max >= min) + { + int mid = (min + max) / 2; + if (errcode > NtStatus.NtStatusCodes[mid]) + { + min = mid + 1; + } + else + { + if (errcode < NtStatus.NtStatusCodes[mid]) + { + max = mid - 1; + } + else + { + return NtStatus.NtStatusMessages[mid]; + } + } + } + } + else + { + int min = 0; + int max = DosError.DosErrorCodes.Length - 1; + while (max >= min) + { + int mid = (min + max) / 2; + if (errcode > DosError.DosErrorCodes[mid][0]) + { + min = mid + 1; + } + else + { + if (errcode < DosError.DosErrorCodes[mid][0]) + { + max = mid - 1; + } + else + { + return DosError.DosErrorMessages[mid]; + } + } + } + } + return "0x" + Hexdump.ToHexString(errcode, 8); + } + + internal static int GetStatusByCode(int errcode) + { + if ((errcode & unchecked((int)(0xC0000000))) != 0) + { + return errcode; + } + int min = 0; + int max = DosError.DosErrorCodes.Length - 1; + while (max >= min) + { + int mid = (min + max) / 2; + if (errcode > DosError.DosErrorCodes[mid][0]) + { + min = mid + 1; + } + else + { + if (errcode < DosError.DosErrorCodes[mid][0]) + { + max = mid - 1; + } + else + { + return DosError.DosErrorCodes[mid][1]; + } + } + } + return NtStatus.NtStatusUnsuccessful; + } + + internal static string GetMessageByWinerrCode(int errcode) + { + int min = 0; + int max = WinError.WinerrCodes.Length - 1; + while (max >= min) + { + int mid = (min + max) / 2; + if (errcode > WinError.WinerrCodes[mid]) + { + min = mid + 1; + } + else + { + if (errcode < WinError.WinerrCodes[mid]) + { + max = mid - 1; + } + else + { + return WinError.WinerrMessages[mid]; + } + } + } + return errcode + string.Empty; + } + + private int _status; + + private Exception _rootCause; + + public SmbException() + { + } + + internal SmbException(int errcode, Exception rootCause) : base(GetMessageByCode(errcode + )) + { + _status = GetStatusByCode(errcode); + this._rootCause = rootCause; + } + + public SmbException(string msg) : base(msg) + { + _status = NtStatus.NtStatusUnsuccessful; + } + + public SmbException(string msg, Exception rootCause) : base(msg) + { + this._rootCause = rootCause; + _status = NtStatus.NtStatusUnsuccessful; + } + + public SmbException(int errcode, bool winerr) : base(winerr ? GetMessageByWinerrCode + (errcode) : GetMessageByCode(errcode)) + { + _status = winerr ? errcode : GetStatusByCode(errcode); + } + + public virtual int GetNtStatus() + { + return _status; + } + + public virtual Exception GetRootCause() + { + return _rootCause; + } + + public override string ToString() + { + if (_rootCause != null) + { + StringWriter sw = new StringWriter(); + PrintWriter pw = new PrintWriter(sw); + Runtime.PrintStackTrace(_rootCause, pw); + return base.ToString() + "\n" + sw; + } + return base.ToString(); + } + } +} |