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* Event queue is now polling.. 

* returns FAKEEVENT instead of the connection returning a 502.   It doesn't like our 502's for some reason..  so, in leau of this..    send it a fake event.
* Once again, this is still 'really early' code, so please don't blame us if you have no more threads left.
0.6.0-stable
Teravus Ovares 2008-09-27 22:05:36 +00:00
parent 0e10c85617
commit 98632ee594
4 changed files with 73 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
OpenSim/Framework/Servers/BaseHttpServer.cs
View File

@ -991,6 +991,7 @@ namespace OpenSim.Framework.Servers
string responseString = (string)responsedata["str_response_string"];
string contentType = (string)responsedata["content_type"];
if (responsedata.ContainsKey("keepalive"))
response.KeepAlive = true;
@ -1042,6 +1043,7 @@ namespace OpenSim.Framework.Servers
{
response.OutputStream.Close();
}
}
public void SendHTML404(OSHttpResponse response, string host)

3
OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
View File

@ -783,7 +783,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
ClientLoop();
}
}
catch (System.Exception e)
//Todo set as Generic Exception again.
catch (System.BadImageFormatException e)
{
if (e is ThreadAbortException)
throw e;

61
OpenSim/Region/Environment/Modules/Framework/EventQueueGetModule.cs
View File

@ -52,12 +52,20 @@ using BlockingLLSDQueue = OpenSim.Framework.BlockingQueue<OpenMetaverse.Structur
namespace OpenSim.Region.Environment.Modules.Framework
{
public struct QueueItem
{
public int id;
public LLSDMap body;
}
public class EventQueueGetModule : IEventQueue, IRegionModule
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private Scene m_scene = null;
private IConfigSource m_gConfig;
private Dictionary<UUID, int> m_ids = new Dictionary<UUID, int>();
private Dictionary<UUID, BlockingLLSDQueue> queues = new Dictionary<UUID, BlockingLLSDQueue>();
#region IRegionModule methods
@ -83,6 +91,7 @@ namespace OpenSim.Region.Environment.Modules.Framework
private void ReadConfigAndPopulate(Scene scene, IConfig startupConfig, string p)
{
}
public void PostInitialise()
@ -147,6 +156,7 @@ namespace OpenSim.Region.Environment.Modules.Framework
{
m_log.DebugFormat("[EVENTQUEUE]: Avatar {0} entering parcel {1} in region {2}.",
avatar.UUID, localLandID, regionID);
}
private void MakeChildAgent(ScenePresence avatar)
@ -164,29 +174,64 @@ namespace OpenSim.Region.Environment.Modules.Framework
{
return ProcessQueue(m_dhttpMethod,agentID, caps);
}));
Random rnd = new Random(System.Environment.TickCount);
lock (m_ids)
{
if (!m_ids.ContainsKey(agentID))
m_ids.Add(agentID, rnd.Next(30000000));
}
}
public Hashtable ProcessQueue(Hashtable request,UUID agentID, Caps caps)
{
// TODO: this has to be redone to not busy-wait (and block the thread),
// TODO: as soon as we have a non-blocking way to handle HTTP-requests.
BlockingLLSDQueue queue = GetQueue(agentID);
LLSD element = queue.Dequeue(15000); // 15s timeout
String debug = "[EVENTQUEUE]: Got request for agent {0}: [ ";
foreach(object key in request.Keys)
{
debug += key.ToString() + "=" + request[key].ToString() + " ";
}
m_log.DebugFormat(debug, agentID);
//m_log.DebugFormat(debug, agentID);
if (element == null) // didn't have an event in 15s
{
// Send it a fake event to keep the client polling! It doesn't like 502s like the proxys say!
element = EventQueueHelper.KeepAliveEvent();
ScenePresence avatar;
m_scene.TryGetAvatar(agentID, out avatar);
LLSDArray array = new LLSDArray();
array.Add(element);
int thisID = m_ids[agentID];
while (queue.Count() > 0)
{
array.Add(queue.Dequeue(1));
thisID++;
}
LLSDMap events = new LLSDMap();
events.Add("events", array);
events.Add("id", new LLSDInteger(thisID));
lock (m_ids)
{
m_ids[agentID] = thisID + 1;
}
Hashtable responsedata = new Hashtable();
responsedata["int_response_code"] = 502;
responsedata["str_response_string"] = "Upstream error:";
responsedata["content_type"] = "text/plain";
responsedata["int_response_code"] = 200;
responsedata["content_type"] = "application/llsd+xml";
responsedata["keepalive"] = true;
responsedata["str_response_string"] = LLSDParser.SerializeXmlString(events);
//m_log.DebugFormat("[EVENTQUEUE]: sending fake response for {0}: {1}", agentID, responsedata["str_response_string"]);
return responsedata;
}
else
@ -196,14 +241,20 @@ namespace OpenSim.Region.Environment.Modules.Framework
LLSDArray array = new LLSDArray();
array.Add(element);
int thisID = m_ids[agentID];
while (queue.Count() > 0)
{
array.Add(queue.Dequeue(1));
thisID++;
}
LLSDMap events = new LLSDMap();
events.Add("events", array);
events.Add("id", new LLSDInteger(1)); // TODO: this seems to be a event sequence-numeber to be ack'd by the client?
events.Add("id", new LLSDInteger(thisID));
lock (m_ids)
{
m_ids[agentID] = thisID + 1;
}
Hashtable responsedata = new Hashtable();
responsedata["int_response_code"] = 200;
responsedata["content_type"] = "application/llsd+xml";

9
OpenSim/Region/Environment/Modules/Framework/EventQueueHelper.cs
View File

@ -53,6 +53,15 @@ namespace OpenSim.Region.Environment
llsdMessage.Add("message", new LLSDString("EnableSimulator"));
llsdMessage.Add("body", llsdBody);
return llsdMessage;
}
public static LLSD KeepAliveEvent()
{
LLSDMap llsdSimInfo = new LLSDMap();
LLSDMap llsdMessage = new LLSDMap(2);
llsdMessage.Add("message", new LLSDString("FAKEEVENT"));
llsdMessage.Add("body", llsdSimInfo);
return llsdMessage;
}
}