private void RemoveFromQueue(bool localOnly, string id)
{
if (String.IsNullOrEmpty(id))
{
throw new ArgumentException("The specified entry is not valid", "id");
}
ProcessQueue.Remove(x => x.Tag == id);
if (!localOnly)
{
Task.Run(() =>
{
InterNodeCommunicationMessage msg = new InterNodeCommunicationMessage {
Tag = id, IsLocalOnly = true, MessageType = InterNodeMessageType.RemoveFromQueue
};
// not sure this is valid as its non deterministic
lock (KnownNodes)
{
foreach (var el in KnownNodes)
{
SendToNode(el, InterNodeCommunicationMessageSerialiser.Serialise(msg));
}
}
});
}
}
private void RemoveFromCache(bool localOnly, string id)
{
if (String.IsNullOrEmpty(id))
{
throw new ArgumentException("The key cannot be null or empty", "id");
}
ResultCache.Remove(id, localOnly);
if (!localOnly)
{
Task.Run(() =>
{
InterNodeCommunicationMessage msg = new InterNodeCommunicationMessage {
Tag = id, IsLocalOnly = true, MessageType = InterNodeMessageType.RemoveFromCache
};
// not sure this is valid as its non deterministic
lock (KnownNodes)
{
foreach (var el in KnownNodes)
{
SendToNode(el, InterNodeCommunicationMessageSerialiser.Serialise(msg));
}
}
});
}
}
private void internode_OnDataReceived(object sender, SocketDataEventArgs e)
{
InterNodeCommunicationMessage msg = InterNodeCommunicationMessageSerialiser.Deserialise(e.Data);
Console.WriteLine("INCM :: " + msg.MessageType.ToString());
switch (msg.MessageType)
{
case InterNodeMessageType.AddToCache:
// typeof ClientResultMessage
AddToCache(msg.IsLocalOnly, msg.Tag, msg.Data);
break;
case InterNodeMessageType.AddToQueue:
// typeof ClientMessage
AddToQueue(msg.IsLocalOnly, msg.Data);
break;
case InterNodeMessageType.RemoveFromCache:
RemoveFromCache(msg.IsLocalOnly, msg.Tag);
break;
case InterNodeMessageType.RemoveFromQueue:
RemoveFromQueue(msg.IsLocalOnly, msg.Tag);
break;
case InterNodeMessageType.NewNodeDiscovered:
NewNodeDiscoveredOnNetwork(e.Source);
break;
case InterNodeMessageType.ChangeMessageStateInQueue:
// typeof QueuedProcessState
QueueMessageStateChanged(msg.Tag, msg.Data);
break;
case InterNodeMessageType.FullCacheUpdateSent:
SendFullCacheUpdate(e.Source);
break;
case InterNodeMessageType.FullQueueUpdateSent:
SendFullQueueUpdate(e.Source);
break;
case InterNodeMessageType.FullCacheUpdateReceived:
UpdateCacheWithFullUpdate(msg.Data);
GetDataFromNode(e.Source, InterNodeMessageType.FullQueueUpdateSent);
break;
case InterNodeMessageType.FullQueueUpdateReceived:
UpdateQueueWithFullUpdate(msg.Data);
break;
case InterNodeMessageType.StartUp:
GetDataFromNode(e.Source, InterNodeMessageType.FullCacheUpdateSent);
break;
default:
Console.WriteLine("Internode message received. Default.");
break;
}
}
private void internode_OnClientConnectCompleted(object sender, IPEndPoint e)
{
if (e != null)
{
Console.WriteLine("Client connected...");
InterNodeCommunicationMessage msg = new InterNodeCommunicationMessage {
IsLocalOnly = true, MessageType = InterNodeMessageType.StartUp, Tag = e.Address.ToString()
};
SendToNode(e.Address, InterNodeCommunicationMessageSerialiser.Serialise(msg));
}
}
private void GetDataFromNode(IPAddress ip, InterNodeMessageType msgType)
{
if (ip == null)
{
throw new ArgumentException("ip cannot be null");
}
if (msgType == InterNodeMessageType.FullQueueUpdateSent || msgType == InterNodeMessageType.FullCacheUpdateSent)
{
InterNodeCommunicationMessage msg = new InterNodeCommunicationMessage {
MessageType = msgType, IsLocalOnly = true
};
SendToNode(ip, InterNodeCommunicationMessageSerialiser.Serialise(msg));
}
}
private void SendFullQueueUpdate(IPAddress ip)
{
if (ip == null)
{
throw new ArgumentException("The specified ip is not valid", "ip");
}
IObservableQueue <ClientProcess> temp = ProcessQueue;
var msg = new InterNodeCommunicationMessage {
Data = PrioritisedQueueSerialiser.Serialise(temp), IsLocalOnly = true, MessageType = InterNodeMessageType.FullQueueUpdateReceived
};
SendToNode(ip, InterNodeCommunicationMessageSerialiser.Serialise(msg));
}
private void SendFullCacheUpdate(IPAddress ip)
{
if (ip == null)
{
throw new ArgumentException("The specified IP address is not valid", "ip");
}
if (!KnownNodes.Contains(ip))
{
throw new ArgumentException("The ip address specified is not known.", "ip");
}
// grab a copy of the cache
CacheProvider <string, ClientResultMessage> temp = ResultCache;
temp.ClearSubscribersNoNotify();
InterNodeCommunicationMessage msg = new InterNodeCommunicationMessage {
Data = CacheSerialiser.Serialise(temp), IsLocalOnly = true, MessageType = InterNodeMessageType.FullCacheUpdateReceived
};
SendToNode(ip, InterNodeCommunicationMessageSerialiser.Serialise(msg));
}
