using System; using System.Threading; namespace Renci.SshNet { ///

/// Provides functionality for local port forwarding ///

public partial class ForwardedPortLocal : ForwardedPort, IDisposable { private EventWaitHandle _listenerTaskCompleted; ///

/// Gets the bound host. ///

public string BoundHost { get; protected set; } ///

/// Gets the bound port. ///

public uint BoundPort { get; protected set; } ///

/// Gets the forwarded host. ///

public string Host { get; protected set; } ///

/// Gets the forwarded port. ///

public uint Port { get; protected set; } ///

/// Initializes a new instance of the class. ///

/// The bound port. /// The host. /// The port. /// is greater than . /// is null. /// is greater than . /// ///

///


        public ForwardedPortLocal(uint boundPort, string host, uint port)
            : this(string.Empty, boundPort, host, port)
        {
        }

        /// 
        /// Initializes a new instance of the  class.
        /// 
        /// The bound host.
        /// The host.
        /// The port.
        ///  is null.
        ///  is null.
        ///  is greater than .
        public ForwardedPortLocal(string boundHost, string host, uint port)
            : this(boundHost, 0, host, port) 
        {
        }

        /// 
        /// Initializes a new instance of the  class.
        /// 
        /// The bound host.
        /// The bound port.
        /// The host.
        /// The port.
        ///  is null.
        ///  is null.
        ///  is greater than .
        ///  is greater than .
        public ForwardedPortLocal(string boundHost, uint boundPort, string host, uint port)
        {
            if (boundHost == null)
                throw new ArgumentNullException("boundHost");

            if (host == null)
                throw new ArgumentNullException("host");

            boundPort.ValidatePort("boundPort");
            port.ValidatePort("port");

            this.BoundHost = boundHost;
            this.BoundPort = boundPort;
            this.Host = host;
            this.Port = port;
        }

        /// 
        /// Starts local port forwarding.
        /// 
        public override void Start()
        {
            this.InternalStart();
        }

        /// 
        /// Stops local port forwarding.
        /// 
        public override void Stop()
        {
            base.Stop();

            this.InternalStop();
        }

        partial void InternalStart();

        partial void InternalStop();

        partial void ExecuteThread(Action action);

        #region IDisposable Members

        private bool _isDisposed;

        /// 
        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged ResourceMessages.
        /// 
        public void Dispose()
        {
            Dispose(true);

            GC.SuppressFinalize(this);
        }

        /// 
        /// Releases unmanaged and - optionally - managed resources
        /// 
        /// true to release both managed and unmanaged resources; false to release only unmanaged ResourceMessages.
        protected virtual void Dispose(bool disposing)
        {
            // Check to see if Dispose has already been called.
            if (!this._isDisposed)
            {
                this.InternalStop();

                // If disposing equals true, dispose all managed
                // and unmanaged ResourceMessages.
                if (disposing)
                {
                    // Dispose managed ResourceMessages.
                    if (this._listenerTaskCompleted != null)
                    {
                        this._listenerTaskCompleted.Dispose();
                        this._listenerTaskCompleted = null;
                    }
                }

                // Note disposing has been done.
                _isDisposed = true;
            }
        }

        /// 
        /// Releases unmanaged resources and performs other cleanup operations before the
        ///  is reclaimed by garbage collection.
        /// 
        ~ForwardedPortLocal()
        {
            // Do not re-create Dispose clean-up code here.
            // Calling Dispose(false) is optimal in terms of
            // readability and maintainability.
            Dispose(false);
        }

        #endregion
    }
}