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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.Collections.Generic;
using System.Collections.Specialized;
using System.Text;

namespace LumiSoft.Net.SIP.Message
{
    /// <summary>
    /// This base class for SIP data types what has parameters support.
    /// </summary>
    public abstract class SIP_t_ValueWithParams : SIP_t_Value
    {
        private SIP_ParameterCollection m_pParameters = null;

        /// <summary>
        /// Default constructor.
        /// </summary>
        public SIP_t_ValueWithParams()
        {
            m_pParameters = new SIP_ParameterCollection();
        }


        #region mehtod ParseParameters

        /// <summary>
        /// Parses parameters from specified reader. Reader position must be where parameters begin.
        /// </summary>
        /// <param name="reader">Reader from where to read parameters.</param>
        /// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
        protected void ParseParameters(StringReader reader)
        {
            // Parse parameters
            while(reader.Available > 0){
                reader.ReadToFirstChar();

                // We have parameter
                if(reader.SourceString.StartsWith(";")){
                    reader.ReadSpecifiedLength(1);
                    string paramString = reader.QuotedReadToDelimiter(new char[]{';',','},false);
                    if(paramString != ""){
                        string[] name_value = paramString.Split(new char[]{'='},2);
                        if(name_value.Length == 2){
                           this.Parameters.Add(name_value[0],name_value[1]);
                        }
                        else{
                            this.Parameters.Add(name_value[0],null);
                        }
                    }
                }
                // Unknown data
                else{
                    throw new SIP_ParseException("Unexpected value !");
                }
            }
        }

        #endregion

        #region method ParametersToString

        /// <summary>
        /// Convert parameters to valid parameters string.
        /// </summary>
        /// <returns>Returns parameters string.</returns>
        protected string ParametersToString()
        {
            StringBuilder retVal = new StringBuilder();
            foreach(SIP_Parameter parameter in m_pParameters){
                if(parameter.Value != null){
                    retVal.Append(";" + parameter.Name + "=" + parameter.Value);
                }
                else{
                    retVal.Append(";" + parameter.Name);
                }
            }

            return retVal.ToString();
        }

        #endregion


        #region Properties Implementation

        /// <summary>
        /// Gets via parameters.
        /// </summary>
        public SIP_ParameterCollection Parameters
        {
            get{ return m_pParameters; }
        }

        #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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