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Posted 20 Apr 2007

STUN Client

, 20 Apr 2007
STUN client C# implementation with sample application
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
using System;
using System.Collections.Generic;
using System.Text;

namespace LumiSoft.Net.SIP.Message
{
    /// <summary>
    /// Implements SIP "Min-SE" value. Defined in RFC 4028.
    /// </summary>
    /// <remarks>
    /// <code>
    /// RFC 4028 Syntax:
    ///     Min-SE = delta-seconds *(SEMI generic-param)
    /// </code>
    /// </remarks>
    public class SIP_t_MinSE : SIP_t_ValueWithParams
    {
        private int m_Time = 90;

        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="value">Min-SE value.</param>
        public SIP_t_MinSE(string value)
        {
            Parse(value);
        }


        #region method Parse
        
        /// <summary>
        /// Parses "Min-SE" from specified value.
        /// </summary>
        /// <param name="value">SIP "Min-SE" value.</param>
        /// <exception cref="ArgumentNullException">Raised when <b>value</b> is null.</exception>
        /// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
        public void Parse(string value)
        {
            if(value == null){
                throw new ArgumentNullException("value");
            }

            Parse(new StringReader(value));
        }

        /// <summary>
        /// Parses "Min-SE" from specified reader.
        /// </summary>
        /// <param name="reader">Reader from where to parse.</param>
        /// <exception cref="ArgumentNullException">Raised when <b>reader</b> is null.</exception>
        /// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
        public override void Parse(StringReader reader)
        {
            /*
                Min-SE = delta-seconds *(SEMI generic-param)
            */

            if(reader == null){
                throw new ArgumentNullException("reader");
            }

            // Parse address
            string word = reader.ReadWord();
            if(word == null){
                throw new SIP_ParseException("Min-SE delta-seconds value is missing !");
            }
            try{
                m_Time = Convert.ToInt32(word);
            }
            catch{
                throw new SIP_ParseException("Invalid Min-SE delta-seconds value !");
            }

            // Parse parameters
            ParseParameters(reader);
        }

        #endregion

        #region method ToStringValue

        /// <summary>
        /// Converts this to valid "Min-SE" value.
        /// </summary>
        /// <returns>Returns "Min-SE" value.</returns>
        public override string ToStringValue()
        {
            /*
                Min-SE = delta-seconds *(SEMI generic-param)
            */

            StringBuilder retVal = new StringBuilder();
            
            // Add address
            retVal.Append(m_Time.ToString());

            // Add parameters
            retVal.Append(ParametersToString());

            return retVal.ToString();
        }

        #endregion


        #region Properties Implementation

        /// <summary>
        /// Gets or sets time in seconds when session expires.
        /// </summary>
        /// <exception cref="ArgumentException">Is raised when value is less than 1.</exception>
        public int Time
        {
            get{ return m_Time; }

            set{
                if(m_Time < 1){
                    throw new ArgumentException("Time value must be > 0 !");
                }

                m_Time = 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
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