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STUN Client

, 20 Apr 2007 CPOL
STUN client C# implementation with sample application
Stun.zip
Stun
Net
docs
dns
dns_records.jpg
dns_records.vsd
Net
_junk
_Obsolete
_Stuff
AUTH
bin
Release
LumiSoft.Net.dll
Data
Dns
Client
FTP
Client
Server
HTTP
Server
ICMP
IMAP
Client
Server
IO
Log
LumiSoft.Net
Mime
vCard
Net.csproj.user
Net.suo
NNTP
Client
POP3
Client
Server
SDP
ServersCore
SIP
Client
Message
Proxy
Stack
SMTP
Client
Server
STUN
Client
Message
STUN_Client_app
STUN_Client_app.suo
STUN_Client_app
bin
Debug
LumiSoft.Net.dll
STUN_Client_app.exe
STUN_Client_app.vshost.exe
dep
LumiSoft.Net.dll
Properties
Settings.settings
using System;
using System.IO;
using System.Collections.Generic;
using System.Text;

namespace LumiSoft.Net.IO
{
    /// <summary>
    /// This class provides data to asynchronous read to stream methods callback.
    /// </summary>
    public class ReadToStream_EventArgs
    {
        private Exception m_pException = null;
        private Stream    m_pStream    = null;
        private int       m_Count      = 0;
        private object    m_pTag       = null;

        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="exception">Exception what happened while reading data or null if data reading was successfull.</param>
        /// <param name="stream">Stream where data was stored.</param>
        /// <param name="count">Number of bytes readed.</param>
        /// <param name="tag">User data.</param>
        public ReadToStream_EventArgs(Exception exception,Stream stream,int count,object tag)
        {
            m_pException = exception;
            m_pStream    = stream;
            m_Count      = count;
            m_pTag       = tag;
        }


        #region method DataToString

        /// <summary>
        /// Converts byte[] line data to the specified encoding string.
        /// </summary>
        /// <param name="encoding">Encoding to use for convert.</param>
        /// <returns>Returns line data as string.</returns>
        public string DataToString(Encoding encoding)
        {
            if(encoding == null){
                throw new ArgumentNullException("encoding");
            }

            if(this.Data == null){
                return null;
            }
            else{
                return encoding.GetString(this.Data);
            }
        }

        #endregion


        #region Properties Implementation

        /// <summary>
        /// Gets exception what happened while reading data. Returns null if data reading completed sucessfully.
        /// </summary>
        public Exception Exception
        {
            get{ return m_pException; }
        }

        /// <summary>
        /// Gets stream where data is stored.
        /// </summary>
        public Stream Stream
        {
            get{ return m_pStream; }
        }

        /// <summary>
        /// Gets number of bytes readed and written to <b>Stream</b>.
        /// </summary>
        public int Count
        {
            get{ return m_Count; }
        }

        /// <summary>
        /// Gets readed data. NOTE: This property is available only is Stream supports seeking !
        /// </summary>
        public byte[] Data
        {
            get{
                if(!m_pStream.CanSeek){
                    throw new InvalidOperationException("Underlaying stream won't support seeking !");
                }

                long currentPos = m_pStream.Position;
                m_pStream.Position = 0;
                byte[] data = new byte[m_pStream.Length];
                m_pStream.Read(data,0,data.Length);

                return data;
            }
        }

        /// <summary>
        /// Gets readed line data as string with system <b>default</b> encoding. 
        /// NOTE: This property is available only is Stream supports seeking !
        /// </summary>
        public string DataStringDefault
        {
            get{ return DataToString(Encoding.Default); }
        }

        /// <summary>
        /// Gets readed line data as string with <b>ASCII</b> encoding. 
        /// NOTE: This property is available only is Stream supports seeking !
        /// </summary>
        public string DataStringAscii
        {
            get{ return DataToString(Encoding.ASCII); }
        }

        /// <summary>
        /// Gets readed line data as string with <b>UTF8</b> encoding. 
        /// NOTE: This property is available only is Stream supports seeking !
        /// </summary>
        public string DataStringUtf8
        {
            get{ return DataToString(Encoding.UTF8); }
        }

        /// <summary>
        /// Gets or stes user data.
        /// </summary>
        public object Tag
        {
            get{ return m_pTag; }

            set{ m_pTag = value; }
        }

        #endregion

    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Ivar Lumi

Estonia Estonia
No Biography provided

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