/// <summary>
/// Opens a host to accept incoming connections. Connects to a registration server.
/// </summary>
/// <param name="registrationServerNameOrAddress">Name or address of the registration server.</param>
/// <param name="registrationServerPort">The port number to the registration server.</param>
/// <param name="listenerPort">The port that this node accepts connections on.</param>
private void OpenAndConnectToRegistrationServer(string registrationServerNameOrAddress, int registrationServerPort, int listenerPort)
{
if (_host == null)
{
try
{
//Open a connection to the registration server
IPEndPoint registrationServerEndPoint = new IPEndPoint(Dns.GetHostEntry(registrationServerNameOrAddress).AddressList[0], registrationServerPort);
_registrationServerProxy = ProxyFactory.CreateProxy <IRegistrationServer>(registrationServerEndPoint);
//get the nodes that are already registered
List <IPEndPoint> remoteNodeEndPoints = _registrationServerProxy.GetAllNodeEndPoints();
_remoteNodes.Clear();
foreach (IPEndPoint endpoint in remoteNodeEndPoints)
{
INode remoteNode = new RemoteNodeProxy(endpoint);
_remoteNodes.Add(remoteNode.GetId(), remoteNode);
}
//open the host that contains this node
_host = new ServiceHost(this, listenerPort);
_host.Open();
//Register the host with the registration server. This causes all other registered nodes to connect to this one
_registrationServerProxy.RegisterNode(_host.EndPoint);
}
catch (Exception ex)
{
string msg = ex.InnerException != null ? ex.InnerException.Message : ex.Message;
Log.Error("Could not connect to registration server. Message reads : {0}", msg);
}
}
}
public bool Open(string registrationServerNameOrAddress, int registrationServerPort, int listenerPort)
{
if (_host == null)
{
try
{
//Open a connection to the registration server
var addressList = Dns.GetHostEntry(registrationServerNameOrAddress).AddressList;
IPAddress address = null;
foreach (var a in addressList)
{
if (a.AddressFamily == AddressFamily.InterNetwork)
{
address = a;
break;
}
}
var registrationServerEndPoint = new IPEndPoint(address, registrationServerPort);
_registrationServerProxy =
ProxyFactory.CreateProxy <IRegistrationServer>(registrationServerEndPoint);
//get node hosts that are already registered
_remoteHosts.Clear();
var remoteHostEndPoints = _registrationServerProxy.GetAllHostEndPoints();
foreach (var remoteHostEndPoint in remoteHostEndPoints)
{
INodeHost remoteHost = ProxyFactory.CreateProxy <INodeHost>(remoteHostEndPoint);
_remoteHosts.Add(remoteHost.GetId(), remoteHost);
}
//open the host that contains this node
_host = new ServiceHost(this, listenerPort);
_host.Open();
//Register the host with the registration server. This causes all other registered nodes to connect to this one
_registrationServerProxy.RegisterHost(_host.EndPoint);
return(true);
}
catch (Exception ex)
{
string msg = ex.InnerException != null ? ex.InnerException.Message : ex.Message;
Log.Error("Could not connect to registration server. Message reads : {0}", msg);
}
}
return(false);
}
