internal MessagesWithLock(List<RelayMessage> messages, HandleWithCount locker)
{
Messages = messages;
Locker = locker;
}
/// <summary>
/// Performs processing on a block of messages
/// </summary>
/// <param name="messages">A list of RealyMessage objects to be processed</param>
/// <exception cref="SyncRelayOperationException">
/// When the type of an object is defined with settings
/// <see cref="MySpace.DataRelay.Common.Schemas.TypeSettings"></see> with
/// SyncInMessages=true and
/// ThrowOnSyncFailure=true
/// failed executions will throw this exception
/// </exception>
/// <remarks>
/// Procssing steps:
/// 1. Splits the list of messages into several lists, each containing
/// the node, messages of a single type and settings for that type
/// 2. Processes each list individually
/// 3. Tracks the success/failure of each list
/// 4. If a list (or a message from a list) fails, and the type of message
/// requires a "Throw" when sync fails: throws a SyncRelayOperationException,
/// otherwise, places failed messages into the exception queue
/// </remarks>
public void HandleMessages(IList <RelayMessage> messages)
{
SetHydrationPolicy(messages);
NodeManager.Instance.Counters.CountMessageList(messages);
NodeWithMessagesCollection distributedMessages = NodeManager.Instance.DistributeMessages(messages);
NodeWithMessages nodeMessages;
AutoResetEvent resetEvent = null;
HandleWithCount finishedLock = null;
List <NodeWithMessages> unhandledNodes = new List <NodeWithMessages>();
if (_enableAsyncBulkGets && distributedMessages.Count > 1) //only do the async if there's more than 1 node to send to. No point in hitting a wait handle if we don't need to coordinate a response
{
int numberOfGets = 0, getsLefts = 0;
for (int i = 0; i < distributedMessages.Count; i++)
{
if (distributedMessages[i].Messages.OutMessageCount > 0)
{
numberOfGets++;
}
}
if (numberOfGets > 0)
{
resetEvent = OutMessageWaitHandle;
finishedLock = new HandleWithCount(resetEvent, numberOfGets);
getsLefts = numberOfGets; //use this to determine when we're at the last get so we use this thread to process it
}
for (int i = 0; i < distributedMessages.Count; i++)
{
nodeMessages = distributedMessages[i];
if (nodeMessages.Messages.InMessageCount > 0)
{
bool inMessagesHandled = nodeMessages.NodeWithInfo.Node.HandleInMessages(nodeMessages.Messages.InMessages,
nodeMessages.NodeWithInfo.SyncInMessages, nodeMessages.NodeWithInfo.SkipErrorQueueForSync);
if (!inMessagesHandled)
{
unhandledNodes.Add(nodeMessages);
}
}
if (nodeMessages.Messages.OutMessageCount > 0)
{
if (--getsLefts > 0)
{
nodeMessages.NodeWithInfo.Node.PostOutMessages(
new MessagesWithLock(nodeMessages.Messages.OutMessages, finishedLock));
}
else
{
nodeMessages.NodeWithInfo.Node.HandleOutMessages(nodeMessages.Messages.OutMessages);
finishedLock.Decrement();
}
}
}
if (numberOfGets > 0)
{
resetEvent.WaitOne();
}
return;
}
else
{
for (int i = 0; i < distributedMessages.Count; i++)
{
nodeMessages = distributedMessages[i];
if (nodeMessages.Messages.InMessageCount > 0)
{
bool inMessagesHandled = nodeMessages.NodeWithInfo.Node.HandleInMessages(nodeMessages.Messages.InMessages, nodeMessages.NodeWithInfo.SyncInMessages, nodeMessages.NodeWithInfo.SkipErrorQueueForSync);
if (!inMessagesHandled)
{
unhandledNodes.Add(nodeMessages);
}
}
if (nodeMessages.Messages.OutMessageCount > 0)
{
nodeMessages.NodeWithInfo.Node.HandleOutMessages(nodeMessages.Messages.OutMessages);
}
}
}
if (unhandledNodes.Count > 0)
{
bool bThrow = false;
StringBuilder detailBuilder = new StringBuilder();
detailBuilder.Append("Error handling sync in messages\r\n");
foreach (NodeWithMessages nwm in unhandledNodes)
{
if (nwm.NodeWithInfo.SkipErrorQueueForSync && nwm.NodeWithInfo.SyncInMessages)
{
detailBuilder.AppendFormat("Node:{0}\r\n", nwm.NodeWithInfo.Node.GetType().Name);
detailBuilder.AppendFormat("\tMessages: {0}\r\n", nwm.Messages.InMessageCount);
bThrow = true;
}
}
if (bThrow)
{
throw new SyncRelayOperationException(detailBuilder.ToString());
}
if (_log.IsInfoEnabled)
{
_log.Info(detailBuilder.ToString());
}
}
}
internal MessagesWithLock(List <RelayMessage> messages, HandleWithCount locker)
{
Messages = messages;
Locker = locker;
}
/// <summary>
/// Performs processing on a block of messages
/// </summary>
/// <param name="messages">A list of RealyMessage objects to be processed</param>
/// <exception cref="SyncRelayOperationException">
/// When the type of an object is defined with settings
/// <see cref="MySpace.DataRelay.Common.Schemas.TypeSettings"></see> with
/// SyncInMessages=true and
/// ThrowOnSyncFailure=true
/// failed executions will throw this exception
/// </exception>
/// <remarks>
/// Procssing steps:
/// 1. Splits the list of messages into several lists, each containing
/// the node, messages of a single type and settings for that type
/// 2. Processes each list individually
/// 3. Tracks the success/failure of each list
/// 4. If a list (or a message from a list) fails, and the type of message
/// requires a "Throw" when sync fails: throws a SyncRelayOperationException,
/// otherwise, places failed messages into the exception queue
/// </remarks>
public void HandleMessages(IList<RelayMessage> messages)
{
SetHydrationPolicy(messages);
NodeManager.Instance.Counters.CountMessageList(messages);
NodeWithMessagesCollection distributedMessages = NodeManager.Instance.DistributeMessages(messages);
NodeWithMessages nodeMessages;
AutoResetEvent resetEvent = null;
HandleWithCount finishedLock = null;
List<NodeWithMessages> unhandledNodes = new List<NodeWithMessages>();
if (_enableAsyncBulkGets && distributedMessages.Count > 1) //only do the async if there's more than 1 node to send to. No point in hitting a wait handle if we don't need to coordinate a response
{
int numberOfGets = 0, getsLefts = 0;
for (int i = 0; i < distributedMessages.Count; i++)
{
if (distributedMessages[i].Messages.OutMessageCount > 0)
{
numberOfGets++;
}
}
if (numberOfGets > 0)
{
resetEvent = OutMessageWaitHandle;
finishedLock = new HandleWithCount(resetEvent, numberOfGets);
getsLefts = numberOfGets; //use this to determine when we're at the last get so we use this thread to process it
}
for (int i = 0; i < distributedMessages.Count; i++)
{
nodeMessages = distributedMessages[i];
if (nodeMessages.Messages.InMessageCount > 0)
{
bool inMessagesHandled = nodeMessages.NodeWithInfo.Node.HandleInMessages(nodeMessages.Messages.InMessages,
nodeMessages.NodeWithInfo.SyncInMessages, nodeMessages.NodeWithInfo.SkipErrorQueueForSync);
if (!inMessagesHandled)
{
unhandledNodes.Add(nodeMessages);
}
}
if (nodeMessages.Messages.OutMessageCount > 0)
{
if (--getsLefts > 0)
{
nodeMessages.NodeWithInfo.Node.PostOutMessages(
new MessagesWithLock(nodeMessages.Messages.OutMessages, finishedLock));
}
else
{
nodeMessages.NodeWithInfo.Node.HandleOutMessages(nodeMessages.Messages.OutMessages);
finishedLock.Decrement();
}
}
}
if (numberOfGets > 0)
{
resetEvent.WaitOne();
}
return;
}
else
{
for (int i = 0; i < distributedMessages.Count; i++)
{
nodeMessages = distributedMessages[i];
if (nodeMessages.Messages.InMessageCount > 0)
{
bool inMessagesHandled = nodeMessages.NodeWithInfo.Node.HandleInMessages(nodeMessages.Messages.InMessages, nodeMessages.NodeWithInfo.SyncInMessages, nodeMessages.NodeWithInfo.SkipErrorQueueForSync);
if (!inMessagesHandled)
{
unhandledNodes.Add(nodeMessages);
}
}
if (nodeMessages.Messages.OutMessageCount > 0)
{
nodeMessages.NodeWithInfo.Node.HandleOutMessages(nodeMessages.Messages.OutMessages);
}
}
}
if (unhandledNodes.Count > 0)
{
bool bThrow = false;
StringBuilder detailBuilder = new StringBuilder();
detailBuilder.Append("Error handling sync in messages\r\n");
foreach (NodeWithMessages nwm in unhandledNodes)
{
if (nwm.NodeWithInfo.SkipErrorQueueForSync && nwm.NodeWithInfo.SyncInMessages)
{
detailBuilder.AppendFormat("Node:{0}\r\n", nwm.NodeWithInfo.Node.GetType().Name);
detailBuilder.AppendFormat("\tMessages: {0}\r\n", nwm.Messages.InMessageCount);
bThrow = true;
}
}
if (bThrow)
{
throw new SyncRelayOperationException(detailBuilder.ToString());
}
if (_log.IsInfoEnabled)
_log.Info(detailBuilder.ToString());
}
}
private static void AsyncBulkHandleMessages(NodeWithMessagesCollection distributedMessages, List <NodeWithMessages> unhandledNodes)
{
if (log.IsDebugEnabled)
{
log.Debug("Starting asyncbulk handle messages");
}
AutoResetEvent resetEvent = null;
HandleWithCount finishedLock = null;
int numberOfGets = 0;
int getsLefts = 0;
for (int i = 0; i < distributedMessages.Count; i++)
{
if (distributedMessages[i].Messages.OutMessageCount > 0)
{
numberOfGets++;
}
}
if (numberOfGets > 0)
{
resetEvent = OutMessageWaitHandle;
finishedLock = new HandleWithCount(resetEvent, numberOfGets);
getsLefts = numberOfGets; //use this to determine when we're at the last get so we use this thread to process it
}
for (int i = 0; i < distributedMessages.Count; i++)
{
NodeWithMessages nodeWithMessages = distributedMessages[i];
NodeWithInfo nodeWithInfo = nodeWithMessages.NodeWithInfo;
if (nodeWithMessages.Messages.InMessageCount > 0)
{
bool inMessagesHandled = nodeWithInfo.Node.HandleInMessages(nodeWithMessages.Messages.InMessages,
nodeWithInfo.SyncInMessages, nodeWithInfo.SkipErrorQueueForSync);
if (!inMessagesHandled)
{
unhandledNodes.Add(nodeWithMessages);
}
}
if (nodeWithMessages.Messages.OutMessageCount > 0)
{
if (--getsLefts > 0) //post all the last group to be handled async
{
nodeWithInfo.Node.PostOutMessages(
new MessagesWithLock(nodeWithMessages.Messages.OutMessages, finishedLock));
}
else
{
nodeWithInfo.Node.SendOutMessages(nodeWithMessages.Messages.OutMessages); //do the last set on this thread rather than punting the duty
finishedLock.Decrement();
}
}
}
if (numberOfGets > 0)
{
resetEvent.WaitOne(); //wait for all operations to complete. the event will be signaled with lock.decrement hits 0
}
}
