/// <summary>
/// Disconnects the previously connected connection
/// </summary>
/// <returns></returns>
public bool Disconnect()
{
try
{
// the connection may have already been disconnected
if (!_connection.IsAlive)
{
return(false);
}
/*
* raise the before disconnect event
* */
AddressBookItemConnectionManagerCancelEventArgs e = new AddressBookItemConnectionManagerCancelEventArgs(this, false);
this.OnBeforeConnectionClosed(this, e);
// bail on the connection if we have been told to cancel
if (e.Cancel)
{
return(false);
}
// disconnect the connection from the remote host
_connection.Close();
return(true);
}
catch (Exception ex)
{
this.OnConnectionException(this, new AddressBookItemConnectionManagerExceptionEventArgs(this, ex));
}
return(false);
}
/// <summary>
/// Connects a connection to the address and port specified by the address book item
/// </summary>
/// <param name="autoRecv">A flag that indicates whether the connection should begin receiving data as soon as it is connected. Some sessions may not need to receive immediately</param>
/// <returns></returns>
public bool Connect(bool autoRecv, object stateObject)
{
try
{
this.InternalEstablishContext();
/*
* raise the before connect event
* */
AddressBookItemConnectionManagerCancelEventArgs e = new AddressBookItemConnectionManagerCancelEventArgs(this, false);
this.OnBeforeConnectionOpened(this, e);
// bail on the connection if we have been told to cancel
if (e.Cancel)
{
return(false);
}
// resolve the address book item to a remote host
IPEndPoint ep = HttpUtils.Resolve(_item.Address, _item.Port, this, new AddressResolutionEventHandler(this.OnInternalConnectionResolvingAddress), stateObject);
// connect the connection to the remote host
_connection.Open(ep, autoRecv);
return(true);
}
catch (Exception ex)
{
this.OnConnectionException(this, new AddressBookItemConnectionManagerExceptionEventArgs(this, ex));
}
return(false);
}
/// <summary>
/// Raises the BeforeDisconnected event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void OnBeforeConnectionClosed(object sender, AddressBookItemConnectionManagerCancelEventArgs e)
{
try
{
if (this.BeforeConnectionClosed != null)
{
this.BeforeConnectionClosed(sender, e);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
/// <summary>
/// Raises the BeforeDisconnected event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void OnBeforeConnectionClosed(object sender, AddressBookItemConnectionManagerCancelEventArgs e)
{
try
{
if (this.BeforeConnectionClosed != null)
this.BeforeConnectionClosed(sender, e);
}
catch(Exception ex)
{
Debug.WriteLine(ex);
}
}
/// <summary>
/// Disconnects the previously connected connection
/// </summary>
/// <returns></returns>
public bool Disconnect()
{
try
{
// the connection may have already been disconnected
if (!_connection.IsAlive)
return false;
/*
* raise the before disconnect event
* */
AddressBookItemConnectionManagerCancelEventArgs e = new AddressBookItemConnectionManagerCancelEventArgs(this, false);
this.OnBeforeConnectionClosed(this, e);
// bail on the connection if we have been told to cancel
if (e.Cancel)
return false;
// disconnect the connection from the remote host
_connection.Close();
return true;
}
catch(Exception ex)
{
this.OnConnectionException(this, new AddressBookItemConnectionManagerExceptionEventArgs(this, ex));
}
return false;
}
/// <summary>
/// Connects a connection to the address and port specified by the address book item
/// </summary>
/// <param name="autoRecv">A flag that indicates whether the connection should begin receiving data as soon as it is connected. Some sessions may not need to receive immediately</param>
/// <returns></returns>
public bool Connect(bool autoRecv, object stateObject)
{
try
{
this.InternalEstablishContext();
/*
* raise the before connect event
* */
AddressBookItemConnectionManagerCancelEventArgs e = new AddressBookItemConnectionManagerCancelEventArgs(this, false);
this.OnBeforeConnectionOpened(this, e);
// bail on the connection if we have been told to cancel
if (e.Cancel)
return false;
// resolve the address book item to a remote host
IPEndPoint ep = HttpUtils.Resolve(_item.Address, _item.Port, this, new AddressResolutionEventHandler(this.OnInternalConnectionResolvingAddress), stateObject);
// connect the connection to the remote host
_connection.Open(ep, autoRecv);
return true;
}
catch(Exception ex)
{
this.OnConnectionException(this, new AddressBookItemConnectionManagerExceptionEventArgs(this, ex));
}
return false;
}