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throttle group notices to max of 4 threads at a time 

...otherwise it can create hundreds of threads and hang
avinationmerge
Mike Rieker 2011-02-20 15:57:57 +00:00
parent 5a78161e74
commit 86decb2aa8
1 changed files with 50 additions and 14 deletions
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64
OpenSim/Region/CoreModules/Avatar/InstantMessage/MessageTransferModule.cs
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@ -449,24 +449,37 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
return resp;
}
/// <summary>
/// delegate for sending a grid instant message asynchronously
/// </summary>
public delegate void GridInstantMessageDelegate(GridInstantMessage im, MessageResultNotification result, UUID prevRegionID);
private delegate void GridInstantMessageDelegate(GridInstantMessage im, MessageResultNotification result);
protected virtual void GridInstantMessageCompleted(IAsyncResult iar)
private class GIM {
public GridInstantMessage im;
public MessageResultNotification result;
};
private Queue<GIM> pendingInstantMessages = new Queue<GIM>();
private int numInstantMessageThreads = 0;
private void SendGridInstantMessageViaXMLRPC(GridInstantMessage im, MessageResultNotification result)
{
GridInstantMessageDelegate icon =
(GridInstantMessageDelegate)iar.AsyncState;
icon.EndInvoke(iar);
lock (pendingInstantMessages) {
if (numInstantMessageThreads >= 4) {
GIM gim = new GIM();
gim.im = im;
gim.result = result;
pendingInstantMessages.Enqueue(gim);
} else {
++ numInstantMessageThreads;
m_log.DebugFormat("[SendGridInstantMessageViaXMLRPC]: ++numInstantMessageThreads={0}", numInstantMessageThreads);
GridInstantMessageDelegate d = SendGridInstantMessageViaXMLRPCAsyncMain;
d.BeginInvoke(im, result, GridInstantMessageCompleted, d);
}
}
}
protected virtual void SendGridInstantMessageViaXMLRPC(GridInstantMessage im, MessageResultNotification result)
private void GridInstantMessageCompleted(IAsyncResult iar)
{
GridInstantMessageDelegate d = SendGridInstantMessageViaXMLRPCAsync;
d.BeginInvoke(im, result, UUID.Zero, GridInstantMessageCompleted, d);
GridInstantMessageDelegate d = (GridInstantMessageDelegate)iar.AsyncState;
d.EndInvoke(iar);
}
/// <summary>
@ -481,8 +494,31 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
/// Pass in 0 the first time this method is called. It will be called recursively with the last
/// regionhandle tried
/// </param>
protected virtual void SendGridInstantMessageViaXMLRPCAsync(GridInstantMessage im, MessageResultNotification result, UUID prevRegionID)
private void SendGridInstantMessageViaXMLRPCAsyncMain(GridInstantMessage im, MessageResultNotification result)
{
GIM gim;
do {
try {
SendGridInstantMessageViaXMLRPCAsync(im, result, UUID.Zero);
} catch (Exception e) {
m_log.Error("[SendGridInstantMessageViaXMLRPC]: exception " + e.Message);
}
lock (pendingInstantMessages) {
if (pendingInstantMessages.Count > 0) {
gim = pendingInstantMessages.Dequeue();
im = gim.im;
result = gim.result;
} else {
gim = null;
-- numInstantMessageThreads;
m_log.DebugFormat("[SendGridInstantMessageViaXMLRPC]: --numInstantMessageThreads={0}", numInstantMessageThreads);
}
}
} while (gim != null);
}
private void SendGridInstantMessageViaXMLRPCAsync(GridInstantMessage im, MessageResultNotification result, UUID prevRegionID)
{
UUID toAgentID = new UUID(im.toAgentID);
PresenceInfo upd = null;