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STUN Client

, 20 Apr 2007
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.Collections.Generic;
using System.Text;

namespace LumiSoft.Net.SIP.Message
{
    /// <summary>
    /// Implements SIP "refer-sub" value. Defined in RFC 4488.
    /// </summary>
    /// <remarks>
    /// <code>
    /// RFC 4488 Syntax:
    ///     Refer-Sub       = refer-sub-value *(SEMI exten)
    ///     refer-sub-value = "true" / "false"
    ///     exten           = generic-param
    /// </code>
    /// </remarks>
    public class SIP_t_ReferSub : SIP_t_ValueWithParams
    {
        private bool m_Value = false;

        /// <summary>
        /// Default constructor.
        /// </summary>
        public SIP_t_ReferSub()
        {
        }

        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="value">Refer-Sub value.</param>
        public SIP_t_ReferSub(string value)
        {
            Parse(value);
        }


        #region method Parse
        
        /// <summary>
        /// Parses "Refer-Sub" from specified value.
        /// </summary>
        /// <param name="value">SIP "Refer-Sub" 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 "Refer-Sub" 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)
        {
            /*
                Refer-Sub       = refer-sub-value *(SEMI exten)
                refer-sub-value = "true" / "false"
                exten           = generic-param        
            */

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

            // refer-sub-value
            string word = reader.ReadWord();
            if(word == null){
                throw new SIP_ParseException("Refer-Sub refer-sub-value value is missing !");
            }
            try{
                m_Value = Convert.ToBoolean(word);
            }
            catch{
                throw new SIP_ParseException("Invalid Refer-Sub refer-sub-value value !");
            }

            // Parse parameters
            ParseParameters(reader);
        }

        #endregion

        #region method ToStringValue

        /// <summary>
        /// Converts this to valid "contact-param" value.
        /// </summary>
        /// <returns>Returns "contact-param" value.</returns>
        public override string ToStringValue()
        {
            /*
                Refer-Sub       = refer-sub-value *(SEMI exten)
                refer-sub-value = "true" / "false"
                exten           = generic-param        
            */

            StringBuilder retVal = new StringBuilder();
            
            // refer-sub-value
            retVal.Append(m_Value.ToString());

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

            return retVal.ToString();
        }

        #endregion


        #region Properties Implementation

        /// <summary>
        /// Gets or sets refer-sub-value value.
        /// </summary>
        public bool Value
        {
            get{ return m_Value; }

            set{ m_Value = value; }
        }

        #endregion

    }
}

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License

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

About the Author

Ivar Lumi

Estonia Estonia
No Biography provided

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