/// <summary>
/// this (or <see cref="ReloadConfig"/>) gets called (depending) when the TypeSettings.Config file
/// are changed.
/// </summary>
/// <remarks>
/// Added: craigbro
/// cachedTypeSettings now held with the forwarder for reference of
/// exceptions on Synchronous "in" messages.
/// To reload, we just null out the cached TypeSettingsCollection object and the
/// accessor will reload it on next call
/// While ConfigurationManager.GetSection is quite performant after the 1st hit,
/// keeping them cached is about twice as fast.
/// </remarks>
/// <param name="config"></param>
/// <param name="runState"></param>
private void LoadConfig(RelayNodeConfig config, ComponentRunState runState)
{
if (config != null)
{
if (config.RelayComponents != null)
{
object configObject = config.RelayComponents.GetConfigFor(GetComponentName());
ForwardingConfig forwardingConfig = configObject as ForwardingConfig;
if (forwardingConfig == null)
{
if (log.IsInfoEnabled)
{
log.Info("No forwarding configuration supplied. Using defaults.");
}
forwardingConfig = new ForwardingConfig();
}
NodeManager.Initialize(config, forwardingConfig, GetErrorQueues(runState));
TypeSettingCollection typeSettingCollection = null;
if (NodeManager.Instance.Config != null)
{
if (NodeManager.Instance.Config.TypeSettings != null)
{
typeSettingCollection = NodeManager.Instance.Config.TypeSettings.TypeSettingCollection;
}
}
TypeSpecificStatisticsManager.Initialize(typeSettingCollection);
_enableAsyncBulkGets = forwardingConfig.EnableAsyncBulkGets;
_myNodeDefinition = NodeManager.Instance.GetMyNodeDefinition();
_myZone = Node.DetermineZone(_myNodeDefinition);
short maxTypeId = 0;
if (config.TypeSettings != null)
{
maxTypeId = config.TypeSettings.MaxTypeId;
}
DebugWriter.SetTraceSettings(maxTypeId, forwardingConfig.TraceSettings);
DebugWriter.WriteCallingMethod = forwardingConfig.WriteCallingMethod;
DebugWriter.WriteMessageTrace = forwardingConfig.WriteMessageTrace;
}
else
{
NodeManager.Initialize(null, null, null);
TypeSpecificStatisticsManager.Initialize(null);
}
}
else
{
NodeManager.Initialize(null, null, null);
TypeSpecificStatisticsManager.Initialize(null);
}
}
/// <summary>
/// this (or <see cref="LoadConfig"/>) gets called (depending) when the TypeSettings.Config file
/// are changed.
/// </summary>
/// <remarks>
/// Added: craigbro
/// cachedTypeSettings now held with the forwarder for reference of
/// exceptions on Synchronous "in" messages.
/// To reload, we just null out the cached TypeSettingsCollection object and the
/// accessor will reload it on next call
/// While ConfigurationManager.GetSection is quite performant after the 1st hit,
/// keeping them cached is about twice as fast.
/// </remarks>
/// <param name="config">The config to reload</param>
public void ReloadConfig(RelayNodeConfig config)
{
lock (reloadLock)
{
if (config != null)
{
try
{
object configObject = config.RelayComponents.GetConfigFor(GetComponentName());
ForwardingConfig forwardingConfig = configObject as ForwardingConfig;
if (forwardingConfig == null)
{
if (log.IsInfoEnabled)
{
log.InfoFormat("No forwarding configuration supplied. Reloading using defaults.");
}
forwardingConfig = new ForwardingConfig();
}
NodeManager.Instance.ReloadConfig(config, forwardingConfig);
if (NodeManager.Instance.Config != null)
{
if (NodeManager.Instance.Config.TypeSettings != null)
{
TypeSpecificStatisticsManager.Instance.ReloadMapping(
NodeManager.Instance.Config.TypeSettings.TypeSettingCollection);
}
}
_enableAsyncBulkGets = forwardingConfig.EnableAsyncBulkGets;
_myNodeDefinition = NodeManager.Instance.GetMyNodeDefinition();
_myZone = Node.DetermineZone(_myNodeDefinition);
short maxTypeId = 0;
if (config.TypeSettings != null)
{
maxTypeId = config.TypeSettings.MaxTypeId;
}
DebugWriter.SetTraceSettings(maxTypeId, forwardingConfig.TraceSettings);
DebugWriter.WriteCallingMethod = forwardingConfig.WriteCallingMethod;
DebugWriter.WriteMessageTrace = forwardingConfig.WriteMessageTrace;
}
catch (Exception ex)
{
if (log.IsErrorEnabled)
{
log.ErrorFormat("Exception reloading config: {0}", ex);
}
}
}
}
}
private static LinkedListStack <Node> PrepareMessage(RelayMessage message)
{
LinkedListStack <Node> nodes = NodeManager.Instance.GetNodesForMessage(message);
message.RelayTTL--;
SetHydrationPolicy(message);
if (nodes.Count > 0)
{
System.Net.IPAddress myAddress = NodeManager.Instance.MyIpAddress;
if (myAddress != null)
{
message.AddAddressToHistory(myAddress);
}
}
DebugWriter.WriteDebugInfo(message, nodes);
return(nodes);
}
private SimpleLinkedList <Node> PrepareMessage(RelayMessage message, bool isRetry)
{
if (isRetry)
{
message.RelayTTL++;
}
SimpleLinkedList <Node> nodes = NodeManager.Instance.GetNodesForMessage(message);
message.RelayTTL--;
SetHydrationPolicy(message);
if (nodes.Count > 0 && !isRetry)
{
System.Net.IPAddress myAddress = NodeManager.Instance.MyIpAddress;
if (myAddress != null)
{
message.AddressHistory.Add(myAddress);
}
}
DebugWriter.WriteDebugInfo(message, nodes);
return(nodes);
}
/// <summary>
/// Splits messages into various lists of in and out message destined for different nodes.
/// </summary>
/// <param name="messages"></param>
/// <returns></returns>
internal NodeWithMessagesCollection DistributeMessages(IList <RelayMessage> messages)
{
NodeWithMessagesCollection distribution = new NodeWithMessagesCollection();
RelayMessage message;
Node node;
for (int i = 0; i < messages.Count; i++)
{
if (messages[i] != null)
{
message = messages[i];
RelayMessage interZoneMessage = null;
SimpleLinkedList <Node> nodesForMessage = GetNodesForMessage(message);
SimpleLinkedList <Node> nodesForInterZoneMessage = null;
if (nodesForMessage.Count > 0)
{
message.AddressHistory.Add(MyIpAddress);
}
message.RelayTTL--;
#region Identify InterZone Messages
if (message.IsTwoWayMessage == false)
{
message.ResultOutcome = RelayOutcome.Queued; //will be queued, if sync will not get overwritten
// Identify nodes in foreign zones
int nodeCount = nodesForMessage.Count;
for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++)
{
nodesForMessage.Pop(out node);
if (_myNodeDefinition != null && _myNodeDefinition.Zone != node.NodeDefinition.Zone)
{
// Message needs to cross Zone bounderies
if (interZoneMessage == null)
{
interZoneMessage = RelayMessage.CreateInterZoneMessageFrom(message);
nodesForInterZoneMessage = new SimpleLinkedList <Node>();
}
nodesForInterZoneMessage.Push(node);
}
else
{
nodesForMessage.Push(node);
}
}
}
#endregion
if (nodesForMessage.Count > 0)
{
DebugWriter.WriteDebugInfo(message, nodesForMessage);
distribution.Add(message, nodesForMessage);
}
if (nodesForInterZoneMessage != null && nodesForInterZoneMessage.Count > 0)
{
DebugWriter.WriteDebugInfo(interZoneMessage, nodesForInterZoneMessage);
distribution.Add(interZoneMessage, nodesForInterZoneMessage);
}
}
}
return(distribution);
}
