/// Last Modified: 10/24/10
/// <summary>
/// Attempts to unregister the child with the parent.
/// </summary>
/// -----------------------------------------------------
/// PRECONDITIONS: The child must be registered with the parent.
/// -----------------------------------------------------
/// Parameters:
/// -----------------------------------------------------
/// POSTCONDITIONS: NA -- No postconditions exist.
/// -----------------------------------------------------
/// Exceptions:
/// 1) NodeSocketInvalid
/// 2) NodeUnknownException
/// -----------------------------------------------------
/// Return Value:
private void UnregisterWithParent()
{
//Only attempt to unregister the child if the parent is valid.
if (m_iepParentNode != null)
{
Register r = new Register(NodeSocket.GetLocalIP(), HostPort, "", GetNodeType());
//Create a new packet to send to the parent.
Packet p = new Packet(
Packet.EventTag.Unregister, //Protocol
NodeName, //SrcName -- Unique name to un-register the node with.
ParentNode.GetNodeType(), //DestName -- Not used in registration.
r.ToString(), //Msg
LogicalTime); //Logical Time.
//Send the packet synchronously.
SendToParent(p);
} //END OF if (m_iepParentNode != null)...
}
/// Last Modified: 10/24/10
/// <summary>
/// Attempts to register the child node with the parent.
/// </summary>
/// -----------------------------------------------------
/// PRECONDITIONS: Refer to the following arguments.
/// -----------------------------------------------------
/// Parameters:
/// <param name="ipAddr">
/// Contains the IPAddress of the parent.
/// </param>
/// <param name="nPort">
/// Contains the port of the parent.
/// </param>
/// -----------------------------------------------------
/// POSTCONDITIONS: NA -- No postconditions exist.
/// -----------------------------------------------------
/// Exceptions:
/// 1) NodeSocketInvalid
/// 2) NodeUnknownException
/// -----------------------------------------------------
/// Return Value:
private void RegisterWithParent(IPAddress ipAddr, int nPort)
{
//Create the parent endpoint.
m_iepParentNode = new IPEndPoint(ipAddr, nPort);
Register r = new Register(NodeSocket.GetLocalIP(), HostPort, "", GetNodeType());
//Create a new packet to send to the parent.
Packet p = new Packet(
Packet.EventTag.Register, //Protocol
NodeName, //SrcName -- Unique name to register the node with.
ParentNode.GetNodeType(), //DestName -- Not used in registration.
r.ToString(), //Msg
LogicalTime); //Logical Time.
//Send the packet synchronously.
SendToParent(p);
}
