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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.SDP
{
    /// <summary>
    /// Implements SDP attribute.
    /// </summary>
    public class SDP_Attribute
    {
        private string m_Name  = "";
        private string m_Value = "";

        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="name">Attribute name.</param>
        /// <param name="value">Attribute value.</param>
        public SDP_Attribute(string name,string value)
        {
            m_Name     = name;
            this.Value = value;
        }


        #region method static Parse

        /// <summary>
        /// Parses media from "a" SDP message field.
        /// </summary>
        /// <param name="aValue">"a" SDP message field.</param>
        /// <returns></returns>
        public static SDP_Attribute Parse(string aValue)
        {
            // a=<attribute>
            // a=<attribute>:<value>

            // Remove a=
            StringReader r = new StringReader(aValue);
            r.QuotedReadToDelimiter('=');

            //--- <attribute> ------------------------------------------------------------
            string name = "";
            string word = r.QuotedReadToDelimiter(':');
            if(word == null){
                throw new Exception("SDP message \"a\" field <attribute> name is missing !");
            }
            name = word;

            //--- <value> ----------------------------------------------------------------
            string value ="";
            word = r.ReadToEnd();
            if(word != null){
                value = word;
            }

            return new SDP_Attribute(name,value);
        }

        #endregion

        #region method ToValue

        /// <summary>
        /// Converts this to valid "a" string.
        /// </summary>
        /// <returns></returns>
        public string ToValue()
        {
            // a=<attribute>
            // a=<attribute>:<value>

            // a=<attribute>
            if(string.IsNullOrEmpty(m_Value)){
                return "a=" + m_Name + "\r\n";
            }
            // a=<attribute>:<value>
            else{
                return "a=" + m_Name + ":" + m_Value + "\r\n";
            }
        }

        #endregion


        #region Properties Implementation

        /// <summary>
        /// Gets attribute name.
        /// </summary>
        public string Name
        {
            get{ return m_Name; }
        }

        /// <summary>
        /// Gets or sets attribute value.
        /// </summary>
        public string Value
        {
            get{ return m_Value; }

            set{ m_Value = 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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Web01 | 2.8.140827.1 | Last Updated 20 Apr 2007
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