internal NodeCluster(RelayNodeClusterDefinition clusterDefinition, RelayNodeConfig nodeConfig, NodeGroup nodeGroup, ForwardingConfig forwardingConfig)
{
_nodeGroup = nodeGroup;
_clusterDefinition = clusterDefinition;
_minimumId = clusterDefinition.MinId;
_maximumId = clusterDefinition.MaxId;
RelayNodeDefinition meDefinition = nodeConfig.GetMyNode();
_meInThisCluster = false;
_localZone = nodeConfig.GetLocalZone();
_zoneDefinitions = nodeConfig.RelayNodeMapping.ZoneDefinitions;
foreach (RelayNodeDefinition nodeDefinition in clusterDefinition.RelayNodes)
{
if (meDefinition == nodeDefinition)
{
_meInThisCluster = true;
}
}
DispatcherQueue nodeInQueue, nodeOutQueue;
if (_meInThisCluster)
{
GetMessageQueuesFor(GetMessageQueueNameFor(meDefinition), clusterDefinition,
NodeManager.Instance.InMessageDispatcher, NodeManager.Instance.OutMessageDispatcher,
out nodeInQueue, out nodeOutQueue);
Me = new Node(meDefinition, nodeGroup, this, forwardingConfig,
nodeInQueue, nodeOutQueue);
}
ushort maxDetectedZone = _localZone;
foreach (RelayNodeDefinition nodeDefinition in clusterDefinition.RelayNodes)
{
if (nodeDefinition != meDefinition)
{
GetMessageQueuesFor(GetMessageQueueNameFor(nodeDefinition), clusterDefinition,
NodeManager.Instance.InMessageDispatcher, NodeManager.Instance.OutMessageDispatcher,
out nodeInQueue, out nodeOutQueue);
Node node = new Node(nodeDefinition, nodeGroup, this, forwardingConfig,
nodeInQueue, nodeOutQueue);
Nodes.Add(node);
if (node.Zone > maxDetectedZone)
{
maxDetectedZone = node.Zone;
}
}
}
_nodesByZone = CalculateNodesByZone(Nodes, maxDetectedZone);
}
internal Node(RelayNodeDefinition nodeDefinition, NodeGroup ownerGroup, NodeCluster ownerCluster, ForwardingConfig forwardingConfig, DispatcherQueue inMessageQueue, DispatcherQueue outMessageQueue)
{
DetectedZone = 0;
NodeDefinition = nodeDefinition;
NodeGroup = ownerGroup;
NodeCluster = ownerCluster;
_messageCounts = new int[RelayMessage.NumberOfTypes];
_lastMessageTimes = new double[RelayMessage.NumberOfTypes];
_averageMessageTimes = new double[RelayMessage.NumberOfTypes];
if (EndPoint != null)
{
_transport = TransportFactory.CreateTransportForNode(nodeDefinition, ownerGroup.GroupDefinition, forwardingConfig.MessageChunkLength);
DetectedZone = NodeManager.Instance.GetZoneForAddress(EndPoint.Address);
if (forwardingConfig.MapNetwork)
{
HopsFromHere = HowManyHopsFromHere();
}
else
{
HopsFromHere = 0;
}
}
else
{
_transport = new NullTransport();
}
_inMessageQueue = inMessageQueue;
_outMessageQueue = outMessageQueue;
if (forwardingConfig != null)
{
_messageBurstLength = forwardingConfig.MessageBurstLength;
_messageBurstTimeout = forwardingConfig.MessageBurstTimeout;
_messageBurstTimeoutSpan = TimeSpan.FromMilliseconds(_messageBurstTimeout);
MessageErrorQueue = new MessageQueue(ownerGroup.GetQueueConfig());
_repostMessageLists = forwardingConfig.RepostMessageLists;
}
ActivateBurstReceive(1); //the burst length will be used after the first message is received
// async, no skipping of the error queue (duh)
Arbiter.Activate(_inMessageQueue,
Arbiter.Receive<List<SerializedRelayMessage>>(true, _inMessagesPort,
messages => DoHandleInMessages(messages, false)));
Arbiter.Activate(_outMessageQueue,
Arbiter.Receive<MessagesWithLock>(true, _outMessagesPort,
delegate(MessagesWithLock messages) { HandleOutMessages(messages.Messages); messages.Locker.Decrement(); }));
}
internal NodeGroup GetNodeGroup(short typeId)
{
string groupName = Config.TypeSettings.TypeSettingCollection.GetGroupNameForId(typeId);
if (MyNodeGroup != null && string.Compare(groupName, MyNodeGroup.GroupName, true) == 0)
{
//If MyNodeGroup isn't null, then this node is "in system". In system requests
//are assumed to be prerouted and already in the correct cluster, so they must be inside
//the group the cluster is in.
return(MyNodeGroup);
}
NodeGroup group = null;
if (groupName != null)
{
if (NodeGroups.Contains(groupName))
{
group = NodeGroups[groupName];
}
}
return(group);
}
internal NodeCluster(RelayNodeClusterDefinition clusterDefinition, RelayNodeConfig nodeConfig, NodeGroup nodeGroup, ForwardingConfig forwardingConfig)
{
_nodeGroup = nodeGroup;
_clusterDefinition = clusterDefinition;
_minimumId = clusterDefinition.MinId;
_maximumId = clusterDefinition.MaxId;
NodeSelectionHopWindowSize = nodeGroup.NodeSelectionHopWindowSize;
RelayNodeDefinition meDefinition = nodeConfig.GetMyNode();
_meInThisCluster = false;
_mapNetwork = forwardingConfig.MapNetwork;
_localZone = nodeConfig.GetLocalZone();
_zoneDefinitions = nodeConfig.RelayNodeMapping.ZoneDefinitions;
foreach (RelayNodeDefinition nodeDefinition in clusterDefinition.RelayNodes)
{
if (meDefinition == nodeDefinition)
{
_meInThisCluster = true;
}
}
DispatcherQueue nodeInQueue, nodeOutQueue;
if (_meInThisCluster)
{
GetMessageQueuesFor(meDefinition, clusterDefinition,
NodeManager.Instance.InMessageDispatcher, NodeManager.Instance.OutMessageDispatcher,
out nodeInQueue, out nodeOutQueue);
Me = new Node(meDefinition, nodeGroup, this, forwardingConfig,
nodeInQueue, nodeOutQueue);
}
ushort maxDetectedZone = _localZone;
foreach (RelayNodeDefinition nodeDefinition in clusterDefinition.RelayNodes)
{
if (nodeDefinition != meDefinition)
{
GetMessageQueuesFor(nodeDefinition, clusterDefinition,
NodeManager.Instance.InMessageDispatcher, NodeManager.Instance.OutMessageDispatcher,
out nodeInQueue, out nodeOutQueue);
Node node = new Node(nodeDefinition, nodeGroup, this, forwardingConfig,
nodeInQueue, nodeOutQueue);
Nodes.Add(node);
if (node.DetectedZone > maxDetectedZone)
{
maxDetectedZone = node.DetectedZone;
}
if (node.Zone > maxDetectedZone)
{
maxDetectedZone = node.Zone;
}
if (!ZoneNodes.ContainsKey(nodeDefinition.Zone))
{
ZoneNodes[nodeDefinition.Zone] = new List <Node>();
}
ZoneNodes[nodeDefinition.Zone].Add(node);
}
}
_nodesByNumberOfHops = CalculateTopography(Nodes, MaximumHops);
_nodeLayers = CalculateNodeLayers(_nodesByNumberOfHops, NodeSelectionHopWindowSize);
_nodesByDetectedZone = CalculateNodesByDetectedZone(Nodes, maxDetectedZone);
}
internal SimpleLinkedList <Node> GetNodesForMessage(RelayMessage message)
{
SimpleLinkedList <Node> nodes = null;
if (message == null || message.RelayTTL < 1 || NodeGroups == null)
{
return(new SimpleLinkedList <Node>());
}
const bool useLegacySerialization = true;
//commands that, from out of system, route to all groups
if (message.IsGroupBroadcastMessage)
{
message.PrepareMessageToBeSent(useLegacySerialization);
if (MyNodeGroup == null) //out of system: all groups
{
nodes = new SimpleLinkedList <Node>();
for (int groupIndex = 0; groupIndex < this.NodeGroups.Count; groupIndex++)
{
nodes.Push(NodeGroups[groupIndex].GetNodesForMessage(message));
}
}
else //In system: my group
{
nodes = MyNodeGroup.MyCluster.GetNodesForMessage(message);
}
}
else
{
//Commands that always route to a single group
NodeGroup group = GetNodeGroup(message.TypeId);
if (group != null)
{
message.PrepareMessageToBeSent(group.GroupDefinition.LegacySerialization);
nodes = group.GetNodesForMessage(message);
}
else
{
message.PrepareMessageToBeSent(useLegacySerialization);
if (_log.IsErrorEnabled)
{
_log.ErrorFormat("No group found for {0}", message);
}
nodes = new SimpleLinkedList <Node>();
}
}
if (nodes == null)
{
nodes = new SimpleLinkedList <Node>();
}
// If no nodes are returned, we predict that the caller
// will drop the message. Therefore we call the notification delegate.
// This is admittedly a kludgy solution, but the only one
// available without changing this method's signature.
// A better solution should be adopted. [tchow 01/29/2008]
if (nodes.Count == 0)
{
Forwarder.RaiseMessageDropped(message);
}
return(nodes);
}
internal NodeCluster(RelayNodeClusterDefinition clusterDefinition, RelayNodeConfig nodeConfig, NodeGroup nodeGroup, ForwardingConfig forwardingConfig)
{
_nodeGroup = nodeGroup;
_clusterDefinition = clusterDefinition;
_minimumId = clusterDefinition.MinId;
_maximumId = clusterDefinition.MaxId;
NodeSelectionHopWindowSize = nodeGroup.NodeSelectionHopWindowSize;
RelayNodeDefinition meDefinition = nodeConfig.GetMyNode();
_meInThisCluster = false;
_mapNetwork = forwardingConfig.MapNetwork;
_localZone = nodeConfig.GetLocalZone();
_zoneDefinitions = nodeConfig.RelayNodeMapping.ZoneDefinitions;
foreach (RelayNodeDefinition nodeDefinition in clusterDefinition.RelayNodes)
{
if (meDefinition == nodeDefinition)
{
_meInThisCluster = true;
}
}
DispatcherQueue nodeInQueue, nodeOutQueue;
if (_meInThisCluster)
{
GetMessageQueuesFor(meDefinition, clusterDefinition,
NodeManager.Instance.InMessageDispatcher, NodeManager.Instance.OutMessageDispatcher,
out nodeInQueue, out nodeOutQueue);
Me = new Node(meDefinition, nodeGroup, this, forwardingConfig,
nodeInQueue, nodeOutQueue);
}
ushort maxDetectedZone = _localZone;
foreach (RelayNodeDefinition nodeDefinition in clusterDefinition.RelayNodes)
{
if (nodeDefinition != meDefinition)
{
GetMessageQueuesFor(nodeDefinition, clusterDefinition,
NodeManager.Instance.InMessageDispatcher, NodeManager.Instance.OutMessageDispatcher,
out nodeInQueue, out nodeOutQueue);
Node node = new Node(nodeDefinition, nodeGroup, this, forwardingConfig,
nodeInQueue, nodeOutQueue);
Nodes.Add(node);
if (node.DetectedZone > maxDetectedZone)
{
maxDetectedZone = node.DetectedZone;
}
if (node.Zone > maxDetectedZone)
{
maxDetectedZone = node.Zone;
}
if (!ZoneNodes.ContainsKey(nodeDefinition.Zone))
{
ZoneNodes[nodeDefinition.Zone] = new List<Node>();
}
ZoneNodes[nodeDefinition.Zone].Add(node);
}
}
_nodesByNumberOfHops = CalculateTopography(Nodes, MaximumHops);
_nodeLayers = CalculateNodeLayers(_nodesByNumberOfHops, NodeSelectionHopWindowSize);
_nodesByDetectedZone = CalculateNodesByDetectedZone(Nodes, maxDetectedZone);
}
