public void HandleRequest(Message request, Message response)
{
//System.Diagnostics.Debug.WriteLine(string.Format(
// "{0}\t{1} received {2}",
// DateTime.Now,
// this.node.Entry.Address,
// sourceEndPoint.Port));
// TODO: Here we handle the messages that get received by the node.
// TODO: Call methods on the Node class to merge hash rings and do failure detection.
// TODO: Liskov substitution principle violation that I'm not happy about.
if (response != null)
{
response.Source = this.node.Entry.Address;
var heartbeat = new HeartBeat();
heartbeat.Nodes = node.Nodes;
response.Parts.Add(heartbeat.GetType().Name.ToLowerInvariant(), JsonSerializer.SerializeToString(heartbeat));
string[] sourceAddress = request.Source.Split(':');
var sourceEndPoint = new IPEndPoint(IPAddress.Parse(sourceAddress[0]), int.Parse(sourceAddress[1]));
}
}
public void Send(Message message, IPEndPoint endPoint)
{
System.Diagnostics.Debug.WriteLine(string.Format(
"{0} SENT {1}",
this.node.Entry.Address,
message.Id));
string msg = this.serializer.SerializeToString(message);
transport.Prepare(message);
this.transport.Send(msg, endPoint);
}
public void HandleResponse(Message response)
{
// TODO: Here we handle the messages that get received by the node.
// TODO: Call methods on the Node class to merge hash rings and do failure detection.
// TODO: Liskov substitution principle violation that I'm not happy about.
//System.Diagnostics.Debug.WriteLine(string.Format(
// "{0}\t{1} received {2}",
// DateTime.Now,
// this.node.Entry.Address,
// sourceEndPoint.Port));
}
private void HandleMessage(string message, Socket requestSocket)
{
if (message != string.Empty)
{
var request = this.serializer.DeserializeFromString(message);
//System.Diagnostics.Debug.WriteLine(string.Format(
// "{0} RECV {1}",
// this.EndPoint.Port,
// request.Id));
Message response = null;
if (request.CorrelationId == null)
{
response = new Message();
response.CorrelationId = request.Id;
response.DestinationAddress = request.SourceAddress;
foreach (var handler in this.RequestHandlers)
{
handler.HandleRequest(request, response);
}
}
else
{
foreach (var handler in this.ResponseHandlers)
{
handler.HandleResponse(request);
}
}
if (request.CorrelationId == null)
{
//System.Diagnostics.Debug.WriteLine(string.Format(
// "{0} SENT {1}",
// this.EndPoint.Port,
// response.Id));
var msg = this.serializer.SerializeToString(response);
this.Send(requestSocket, msg);
}
}
}
private void HeartBeatTimer(object state)
{
var heartbeat = new HeartBeat();
heartbeat.Nodes = this.Nodes;
var msg = new Message();
messageBus.AddMessage<HeartBeat>(msg, heartbeat);
// Choose a random node from the ring to gossip with.
var nodeNumber = random.Next(0, this.Nodes.Count);
if (this.Nodes.Count > 0)
{
var destinationEndpoint = IPEndPointParser.Parse(this.Nodes.ElementAt(nodeNumber).Value.Address);
this.messageBus.Send(msg, destinationEndpoint);
}
}
public void Prepare(Message message)
{
message.Source = EndPoint.ToString();
}
private void HandleMessage(string message, Socket requestSocket)
{
if (message != string.Empty)
{
var request = this.serializer.DeserializeFromString(message);
System.Diagnostics.Debug.WriteLine("{0} RECV {1}", this.EndPoint.Port, request.Id);
Message response = null;
if (request.CorrelationId == null)
{
response = new Message
{
CorrelationId = request.Id,
Destination = request.Source
};
foreach (var handler in this.requestHandlers)
{
handler.HandleRequest(request, response);
}
}
else
{
foreach (var handler in this.responseHandlers)
{
handler.HandleResponse(request);
}
}
if (request.CorrelationId == null)
{
System.Diagnostics.Debug.WriteLine(string.Format(
"{0} SENT {1}",
this.EndPoint.Port,
response.Id));
var msg = this.serializer.SerializeToString(response);
requestSocket.Send(msg, Encoding.UTF8);
}
}
}
public Message CreateMessage(object part)
{
var message = new Message();
message.Parts.Add(part.GetType().Name.ToLowerInvariant(), JsonSerializer.SerializeToString(part));
return message;
}
