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Address map lag issue seen with non-avination viewers

avinationmerge
Melanie 2012-07-08 06:06:33 +02:00
parent 470019b52a
commit d3b778ebbe
3 changed files with 271 additions and 262 deletions
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159
OpenSim/Region/CoreModules/World/WorldMap/MapSearchModule.cs
View File

@ -86,90 +86,93 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
private void OnMapNameRequest(IClientAPI remoteClient, string mapName, uint flags)
{
if (mapName.Length < 2)
Util.FireAndForget(x =>
{
remoteClient.SendAlertMessage("Use a search string with at least 2 characters");
return;
}
//m_log.DebugFormat("MAP NAME=({0})", mapName);
// Hack to get around the fact that ll V3 now drops the port from the
// map name. See https://jira.secondlife.com/browse/VWR-28570
//
// Caller, use this magic form instead:
// secondlife://http|!!mygrid.com|8002|Region+Name/128/128
// or url encode if possible.
// the hacks we do with this viewer...
//
string mapNameOrig = mapName;
if (mapName.Contains("|"))
mapName = mapName.Replace('|', ':');
if (mapName.Contains("+"))
mapName = mapName.Replace('+', ' ');
if (mapName.Contains("!"))
mapName = mapName.Replace('!', '/');
// try to fetch from GridServer
List<GridRegion> regionInfos = m_scene.GridService.GetRegionsByName(m_scene.RegionInfo.ScopeID, mapName, 20);
// if (regionInfos.Count == 0)
// remoteClient.SendAlertMessage("Hyperlink could not be established.");
//m_log.DebugFormat("[MAPSEARCHMODULE]: search {0} returned {1} regions", mapName, regionInfos.Count);
List<MapBlockData> blocks = new List<MapBlockData>();
MapBlockData data;
if (regionInfos.Count > 0)
{
foreach (GridRegion info in regionInfos)
if (mapName.Length < 2)
{
data = new MapBlockData();
data.Agents = 0;
data.Access = info.Access;
if (flags == 2) // V2 sends this
data.MapImageId = UUID.Zero;
else
data.MapImageId = info.TerrainImage;
// ugh! V2-3 is very sensitive about the result being
// exactly the same as the requested name
if (regionInfos.Count == 1 && mapNameOrig.Contains("|") || mapNameOrig.Contains("+"))
data.Name = mapNameOrig;
else
data.Name = info.RegionName;
data.RegionFlags = 0; // TODO not used?
data.WaterHeight = 0; // not used
data.X = (ushort)(info.RegionLocX / Constants.RegionSize);
data.Y = (ushort)(info.RegionLocY / Constants.RegionSize);
blocks.Add(data);
remoteClient.SendAlertMessage("Use a search string with at least 2 characters");
return;
}
}
// final block, closing the search result
data = new MapBlockData();
data.Agents = 0;
data.Access = 255;
data.MapImageId = UUID.Zero;
data.Name = mapName;
data.RegionFlags = 0;
data.WaterHeight = 0; // not used
data.X = 0;
data.Y = 0;
blocks.Add(data);
//m_log.DebugFormat("MAP NAME=({0})", mapName);
// flags are agent flags sent from the viewer.
// they have different values depending on different viewers, apparently
remoteClient.SendMapBlock(blocks, flags);
// Hack to get around the fact that ll V3 now drops the port from the
// map name. See https://jira.secondlife.com/browse/VWR-28570
//
// Caller, use this magic form instead:
// secondlife://http|!!mygrid.com|8002|Region+Name/128/128
// or url encode if possible.
// the hacks we do with this viewer...
//
string mapNameOrig = mapName;
if (mapName.Contains("|"))
mapName = mapName.Replace('|', ':');
if (mapName.Contains("+"))
mapName = mapName.Replace('+', ' ');
if (mapName.Contains("!"))
mapName = mapName.Replace('!', '/');
// send extra user messages for V3
// because the UI is very confusing
// while we don't fix the hard-coded urls
if (flags == 2)
{
if (regionInfos.Count == 0)
remoteClient.SendAgentAlertMessage("No regions found with that name.", true);
else if (regionInfos.Count == 1)
remoteClient.SendAgentAlertMessage("Region found!", false);
}
// try to fetch from GridServer
List<GridRegion> regionInfos = m_scene.GridService.GetRegionsByName(m_scene.RegionInfo.ScopeID, mapName, 20);
// if (regionInfos.Count == 0)
// remoteClient.SendAlertMessage("Hyperlink could not be established.");
//m_log.DebugFormat("[MAPSEARCHMODULE]: search {0} returned {1} regions", mapName, regionInfos.Count);
List<MapBlockData> blocks = new List<MapBlockData>();
MapBlockData data;
if (regionInfos.Count > 0)
{
foreach (GridRegion info in regionInfos)
{
data = new MapBlockData();
data.Agents = 0;
data.Access = info.Access;
if (flags == 2) // V2 sends this
data.MapImageId = UUID.Zero;
else
data.MapImageId = info.TerrainImage;
// ugh! V2-3 is very sensitive about the result being
// exactly the same as the requested name
if (regionInfos.Count == 1 && mapNameOrig.Contains("|") || mapNameOrig.Contains("+"))
data.Name = mapNameOrig;
else
data.Name = info.RegionName;
data.RegionFlags = 0; // TODO not used?
data.WaterHeight = 0; // not used
data.X = (ushort)(info.RegionLocX / Constants.RegionSize);
data.Y = (ushort)(info.RegionLocY / Constants.RegionSize);
blocks.Add(data);
}
}
// final block, closing the search result
data = new MapBlockData();
data.Agents = 0;
data.Access = 255;
data.MapImageId = UUID.Zero;
data.Name = mapName;
data.RegionFlags = 0;
data.WaterHeight = 0; // not used
data.X = 0;
data.Y = 0;
blocks.Add(data);
// flags are agent flags sent from the viewer.
// they have different values depending on different viewers, apparently
remoteClient.SendMapBlock(blocks, flags);
// send extra user messages for V3
// because the UI is very confusing
// while we don't fix the hard-coded urls
if (flags == 2)
{
if (regionInfos.Count == 0)
remoteClient.SendAgentAlertMessage("No regions found with that name.", true);
else if (regionInfos.Count == 1)
remoteClient.SendAgentAlertMessage("Region found!", false);
}
});
}
// private Scene GetClientScene(IClientAPI client)

359
OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
View File

@ -63,7 +63,8 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
private static readonly UUID STOP_UUID = UUID.Random();
private static readonly string m_mapLayerPath = "0001/";
private OpenSim.Framework.BlockingQueue<MapRequestState> requests = new OpenSim.Framework.BlockingQueue<MapRequestState>();
private ManualResetEvent queueEvent = new ManualResetEvent(false);
private Queue<MapRequestState> requests = new Queue<MapRequestState>();
protected Scene m_scene;
private List<MapBlockData> cachedMapBlocks = new List<MapBlockData>();
@ -71,7 +72,6 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
private int blacklistTimeout = 10*60*1000; // 10 minutes
private byte[] myMapImageJPEG;
protected volatile bool m_Enabled = false;
private Dictionary<UUID, MapRequestState> m_openRequests = new Dictionary<UUID, MapRequestState>();
private Dictionary<string, int> m_blacklistedurls = new Dictionary<string, int>();
private Dictionary<ulong, int> m_blacklistedregions = new Dictionary<ulong, int>();
private Dictionary<ulong, string> m_cachedRegionMapItemsAddress = new Dictionary<ulong, string>();
@ -368,7 +368,11 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
st.itemtype=0;
st.regionhandle=0;
requests.Enqueue(st);
lock (requests)
{
queueEvent.Set();
requests.Enqueue(st);
}
}
public virtual void HandleMapItemRequest(IClientAPI remoteClient, uint flags,
@ -519,12 +523,26 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
/// </summary>
public void process()
{
const int MAX_ASYNC_REQUESTS = 20;
const int MAX_ASYNC_REQUESTS = 5;
try
{
while (true)
{
MapRequestState st = requests.Dequeue(1000);
MapRequestState st = new MapRequestState();
bool valid = false;
queueEvent.WaitOne();
lock (requests)
{
if (requests.Count > 0)
{
st = requests.Dequeue();
valid = true;
}
if (requests.Count == 0)
queueEvent.Reset();
}
if (!valid)
continue;
// end gracefully
if (st.agentID == STOP_UUID)
@ -541,14 +559,11 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
if (dorequest && !m_blacklistedregions.ContainsKey(st.regionhandle))
{
while (nAsyncRequests >= MAX_ASYNC_REQUESTS) // hit the break
Thread.Sleep(80);
// while (nAsyncRequests >= MAX_ASYNC_REQUESTS) // hit the break
// Thread.Sleep(500);
RequestMapItemsDelegate d = RequestMapItemsAsync;
d.BeginInvoke(st.agentID, st.flags, st.EstateID, st.godlike, st.itemtype, st.regionhandle, RequestMapItemsCompleted, null);
//OSDMap response = RequestMapItemsAsync(st.agentID, st.flags, st.EstateID, st.godlike, st.itemtype, st.regionhandle);
//RequestMapItemsCompleted(response);
Interlocked.Increment(ref nAsyncRequests);
RequestMapItemsAsync(st.agentID, st.flags, st.EstateID, st.godlike, st.itemtype, st.regionhandle);
}
}
@ -570,110 +585,10 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
/// <param name="state"></param>
public void EnqueueMapItemRequest(MapRequestState state)
{
requests.Enqueue(state);
}
/// <summary>
/// Sends the mapitem response to the IClientAPI
/// </summary>
/// <param name="response">The OSDMap Response for the mapitem</param>
private void RequestMapItemsCompleted(IAsyncResult iar)
{
AsyncResult result = (AsyncResult)iar;
RequestMapItemsDelegate icon = (RequestMapItemsDelegate)result.AsyncDelegate;
OSDMap response = (OSDMap)icon.EndInvoke(iar);
Interlocked.Decrement(ref nAsyncRequests);
if (!response.ContainsKey("requestID"))
return;
UUID requestID = response["requestID"].AsUUID();
if (requestID != UUID.Zero)
lock (requests)
{
MapRequestState mrs = new MapRequestState();
mrs.agentID = UUID.Zero;
lock (m_openRequests)
{
if (m_openRequests.ContainsKey(requestID))
{
mrs = m_openRequests[requestID];
m_openRequests.Remove(requestID);
}
}
if (mrs.agentID != UUID.Zero)
{
ScenePresence av = null;
m_scene.TryGetScenePresence(mrs.agentID, out av);
if (av != null)
{
if (response.ContainsKey(mrs.itemtype.ToString()))
{
List<mapItemReply> returnitems = new List<mapItemReply>();
OSDArray itemarray = (OSDArray)response[mrs.itemtype.ToString()];
for (int i = 0; i < itemarray.Count; i++)
{
OSDMap mapitem = (OSDMap)itemarray[i];
mapItemReply mi = new mapItemReply();
mi.x = (uint)mapitem["X"].AsInteger();
mi.y = (uint)mapitem["Y"].AsInteger();
mi.id = mapitem["ID"].AsUUID();
mi.Extra = mapitem["Extra"].AsInteger();
mi.Extra2 = mapitem["Extra2"].AsInteger();
mi.name = mapitem["Name"].AsString();
returnitems.Add(mi);
}
av.ControllingClient.SendMapItemReply(returnitems.ToArray(), mrs.itemtype, mrs.flags);
}
// Service 7 (MAP_ITEM_LAND_FOR_SALE)
uint itemtype = 7;
if (response.ContainsKey(itemtype.ToString()))
{
List<mapItemReply> returnitems = new List<mapItemReply>();
OSDArray itemarray = (OSDArray)response[itemtype.ToString()];
for (int i = 0; i < itemarray.Count; i++)
{
OSDMap mapitem = (OSDMap)itemarray[i];
mapItemReply mi = new mapItemReply();
mi.x = (uint)mapitem["X"].AsInteger();
mi.y = (uint)mapitem["Y"].AsInteger();
mi.id = mapitem["ID"].AsUUID();
mi.Extra = mapitem["Extra"].AsInteger();
mi.Extra2 = mapitem["Extra2"].AsInteger();
mi.name = mapitem["Name"].AsString();
returnitems.Add(mi);
}
av.ControllingClient.SendMapItemReply(returnitems.ToArray(), itemtype, mrs.flags);
}
// Service 1 (MAP_ITEM_TELEHUB)
itemtype = 1;
if (response.ContainsKey(itemtype.ToString()))
{
List<mapItemReply> returnitems = new List<mapItemReply>();
OSDArray itemarray = (OSDArray)response[itemtype.ToString()];
for (int i = 0; i < itemarray.Count; i++)
{
OSDMap mapitem = (OSDMap)itemarray[i];
mapItemReply mi = new mapItemReply();
mi.x = (uint)mapitem["X"].AsInteger();
mi.y = (uint)mapitem["Y"].AsInteger();
mi.id = mapitem["ID"].AsUUID();
mi.Extra = mapitem["Extra"].AsInteger();
mi.Extra2 = mapitem["Extra2"].AsInteger();
mi.name = mapitem["Name"].AsString();
returnitems.Add(mi);
}
av.ControllingClient.SendMapItemReply(returnitems.ToArray(), itemtype, mrs.flags);
}
}
}
queueEvent.Set();
requests.Enqueue(state);
}
}
@ -700,8 +615,6 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
EnqueueMapItemRequest(st);
}
private delegate OSDMap RequestMapItemsDelegate(UUID id, uint flags,
uint EstateID, bool godlike, uint itemtype, ulong regionhandle);
/// <summary>
/// Does the actual remote mapitem request
/// This should be called from an asynchronous thread
@ -716,7 +629,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
/// <param name="itemtype">passed in from packet</param>
/// <param name="regionhandle">Region we're looking up</param>
/// <returns></returns>
private OSDMap RequestMapItemsAsync(UUID id, uint flags,
private void RequestMapItemsAsync(UUID id, uint flags,
uint EstateID, bool godlike, uint itemtype, ulong regionhandle)
{
// m_log.DebugFormat("[WORLDMAP]: RequestMapItemsAsync; region handle: {0} {1}", regionhandle, itemtype);
@ -739,7 +652,10 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
}
if (blacklisted)
return new OSDMap();
{
Interlocked.Decrement(ref nAsyncRequests);
return;
}
UUID requestID = UUID.Random();
lock (m_cachedRegionMapItemsAddress)
@ -747,6 +663,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
if (m_cachedRegionMapItemsAddress.ContainsKey(regionhandle))
httpserver = m_cachedRegionMapItemsAddress[regionhandle];
}
if (httpserver.Length == 0)
{
uint x = 0, y = 0;
@ -791,18 +708,10 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
// Can't find the http server
if (httpserver.Length == 0 || blacklisted)
return new OSDMap();
MapRequestState mrs = new MapRequestState();
mrs.agentID = id;
mrs.EstateID = EstateID;
mrs.flags = flags;
mrs.godlike = godlike;
mrs.itemtype=itemtype;
mrs.regionhandle = regionhandle;
lock (m_openRequests)
m_openRequests.Add(requestID, mrs);
{
Interlocked.Decrement(ref nAsyncRequests);
return;
}
WebRequest mapitemsrequest = null;
try
@ -812,7 +721,8 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
catch (Exception e)
{
m_log.DebugFormat("[WORLD MAP]: Access to {0} failed with {1}", httpserver, e);
return new OSDMap();
Interlocked.Decrement(ref nAsyncRequests);
return;
}
mapitemsrequest.Method = "POST";
@ -826,6 +736,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
OSDMap responseMap = new OSDMap();
responseMap["requestID"] = OSD.FromUUID(requestID);
return;
Stream os = null;
try
{ // send the Post
@ -837,7 +748,6 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
catch (WebException ex)
{
m_log.WarnFormat("[WORLD MAP]: Bad send on GetMapItems {0}", ex.Message);
responseMap["connect"] = OSD.FromBoolean(false);
lock (m_blacklistedurls)
{
if (!m_blacklistedurls.ContainsKey(httpserver))
@ -846,13 +756,14 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
m_log.WarnFormat("[WORLD MAP]: Blacklisted {0}", httpserver);
return responseMap;
Interlocked.Decrement(ref nAsyncRequests);
return;
}
catch
{
m_log.DebugFormat("[WORLD MAP]: RequestMapItems failed for {0}", httpserver);
responseMap["connect"] = OSD.FromBoolean(false);
return responseMap;
Interlocked.Decrement(ref nAsyncRequests);
return;
}
finally
{
@ -873,12 +784,12 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
}
else
{
return new OSDMap();
Interlocked.Decrement(ref nAsyncRequests);
return;
}
}
catch (WebException)
{
responseMap["connect"] = OSD.FromBoolean(false);
lock (m_blacklistedurls)
{
if (!m_blacklistedurls.ContainsKey(httpserver))
@ -887,19 +798,20 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
m_log.WarnFormat("[WORLD MAP]: Blacklisted {0}", httpserver);
return responseMap;
Interlocked.Decrement(ref nAsyncRequests);
return;
}
catch
{
m_log.DebugFormat("[WORLD MAP]: RequestMapItems failed for {0}", httpserver);
responseMap["connect"] = OSD.FromBoolean(false);
lock (m_blacklistedregions)
{
if (!m_blacklistedregions.ContainsKey(regionhandle))
m_blacklistedregions.Add(regionhandle, Environment.TickCount);
}
return responseMap;
Interlocked.Decrement(ref nAsyncRequests);
return;
}
finally
{
@ -918,14 +830,14 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
catch (Exception ex)
{
m_log.InfoFormat("[WORLD MAP]: exception on parse of RequestMapItems reply from {0}: {1}", httpserver, ex.Message);
responseMap["connect"] = OSD.FromBoolean(false);
lock (m_blacklistedregions)
{
if (!m_blacklistedregions.ContainsKey(regionhandle))
m_blacklistedregions.Add(regionhandle, Environment.TickCount);
}
return responseMap;
Interlocked.Decrement(ref nAsyncRequests);
return;
}
}
@ -939,7 +851,78 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
}
}
return responseMap;
Interlocked.Decrement(ref nAsyncRequests);
if (id != UUID.Zero)
{
ScenePresence av = null;
m_scene.TryGetScenePresence(id, out av);
if (av != null)
{
if (responseMap.ContainsKey(itemtype.ToString()))
{
List<mapItemReply> returnitems = new List<mapItemReply>();
OSDArray itemarray = (OSDArray)responseMap[itemtype.ToString()];
for (int i = 0; i < itemarray.Count; i++)
{
OSDMap mapitem = (OSDMap)itemarray[i];
mapItemReply mi = new mapItemReply();
mi.x = (uint)mapitem["X"].AsInteger();
mi.y = (uint)mapitem["Y"].AsInteger();
mi.id = mapitem["ID"].AsUUID();
mi.Extra = mapitem["Extra"].AsInteger();
mi.Extra2 = mapitem["Extra2"].AsInteger();
mi.name = mapitem["Name"].AsString();
returnitems.Add(mi);
}
av.ControllingClient.SendMapItemReply(returnitems.ToArray(), itemtype, flags);
}
// Service 7 (MAP_ITEM_LAND_FOR_SALE)
itemtype = 7;
if (responseMap.ContainsKey(itemtype.ToString()))
{
List<mapItemReply> returnitems = new List<mapItemReply>();
OSDArray itemarray = (OSDArray)responseMap[itemtype.ToString()];
for (int i = 0; i < itemarray.Count; i++)
{
OSDMap mapitem = (OSDMap)itemarray[i];
mapItemReply mi = new mapItemReply();
mi.x = (uint)mapitem["X"].AsInteger();
mi.y = (uint)mapitem["Y"].AsInteger();
mi.id = mapitem["ID"].AsUUID();
mi.Extra = mapitem["Extra"].AsInteger();
mi.Extra2 = mapitem["Extra2"].AsInteger();
mi.name = mapitem["Name"].AsString();
returnitems.Add(mi);
}
av.ControllingClient.SendMapItemReply(returnitems.ToArray(), itemtype, flags);
}
// Service 1 (MAP_ITEM_TELEHUB)
itemtype = 1;
if (responseMap.ContainsKey(itemtype.ToString()))
{
List<mapItemReply> returnitems = new List<mapItemReply>();
OSDArray itemarray = (OSDArray)responseMap[itemtype.ToString()];
for (int i = 0; i < itemarray.Count; i++)
{
OSDMap mapitem = (OSDMap)itemarray[i];
mapItemReply mi = new mapItemReply();
mi.x = (uint)mapitem["X"].AsInteger();
mi.y = (uint)mapitem["Y"].AsInteger();
mi.id = mapitem["ID"].AsUUID();
mi.Extra = mapitem["Extra"].AsInteger();
mi.Extra2 = mapitem["Extra2"].AsInteger();
mi.name = mapitem["Name"].AsString();
returnitems.Add(mi);
}
av.ControllingClient.SendMapItemReply(returnitems.ToArray(), itemtype, flags);
}
}
}
}
/// <summary>
@ -951,53 +934,56 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
/// <param name="maxY"></param>
public virtual void RequestMapBlocks(IClientAPI remoteClient, int minX, int minY, int maxX, int maxY, uint flag)
{
//m_log.ErrorFormat("[YYY] RequestMapBlocks {0}={1}={2}={3} {4}", minX, minY, maxX, maxY, flag);
if ((flag & 0x10000) != 0) // user clicked on qthe map a tile that isn't visible
Util.FireAndForget(x =>
{
List<MapBlockData> response = new List<MapBlockData>();
// this should return one mapblock at most. It is triggered by a click
// on an unloaded square.
// But make sure: Look whether the one we requested is in there
List<GridRegion> regions = m_scene.GridService.GetRegionRange(m_scene.RegionInfo.ScopeID,
minX * (int)Constants.RegionSize,
maxX * (int)Constants.RegionSize,
minY * (int)Constants.RegionSize,
maxY * (int)Constants.RegionSize);
if (regions != null)
//m_log.ErrorFormat("[YYY] RequestMapBlocks {0}={1}={2}={3} {4}", minX, minY, maxX, maxY, flag);
if ((flag & 0x10000) != 0) // user clicked on qthe map a tile that isn't visible
{
foreach (GridRegion r in regions)
List<MapBlockData> response = new List<MapBlockData>();
// this should return one mapblock at most. It is triggered by a click
// on an unloaded square.
// But make sure: Look whether the one we requested is in there
List<GridRegion> regions = m_scene.GridService.GetRegionRange(m_scene.RegionInfo.ScopeID,
minX * (int)Constants.RegionSize,
maxX * (int)Constants.RegionSize,
minY * (int)Constants.RegionSize,
maxY * (int)Constants.RegionSize);
if (regions != null)
{
if ((r.RegionLocX == minX * (int)Constants.RegionSize) &&
(r.RegionLocY == minY * (int)Constants.RegionSize))
foreach (GridRegion r in regions)
{
// found it => add it to response
MapBlockData block = new MapBlockData();
MapBlockFromGridRegion(block, r, flag);
response.Add(block);
break;
if ((r.RegionLocX == minX * (int)Constants.RegionSize) &&
(r.RegionLocY == minY * (int)Constants.RegionSize))
{
// found it => add it to response
MapBlockData block = new MapBlockData();
MapBlockFromGridRegion(block, r, flag);
response.Add(block);
break;
}
}
}
}
if (response.Count == 0)
{
// response still empty => couldn't find the map-tile the user clicked on => tell the client
MapBlockData block = new MapBlockData();
block.X = (ushort)minX;
block.Y = (ushort)minY;
block.Access = 254; // means 'simulator is offline'
response.Add(block);
if (response.Count == 0)
{
// response still empty => couldn't find the map-tile the user clicked on => tell the client
MapBlockData block = new MapBlockData();
block.X = (ushort)minX;
block.Y = (ushort)minY;
block.Access = 254; // means 'simulator is offline'
response.Add(block);
}
// The lower 16 bits are an unsigned int16
remoteClient.SendMapBlock(response, flag & 0xffff);
}
// The lower 16 bits are an unsigned int16
remoteClient.SendMapBlock(response, flag & 0xffff);
}
else
{
// normal mapblock request. Use the provided values
GetAndSendBlocks(remoteClient, minX, minY, maxX, maxY, flag);
}
else
{
// normal mapblock request. Use the provided values
GetAndSendBlocks(remoteClient, minX, minY, maxX, maxY, flag);
}
});
}
protected virtual List<MapBlockData> GetAndSendBlocks(IClientAPI remoteClient, int minX, int minY, int maxX, int maxY, uint flag)
@ -1013,8 +999,15 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
MapBlockData block = new MapBlockData();
MapBlockFromGridRegion(block, r, flag);
mapBlocks.Add(block);
if (mapBlocks.Count >= 20)
{
remoteClient.SendMapBlock(mapBlocks, flag & 0xffff);
mapBlocks.Clear();
Thread.Sleep(1000);
}
}
remoteClient.SendMapBlock(mapBlocks, flag & 0xffff);
if (mapBlocks.Count > 0)
remoteClient.SendMapBlock(mapBlocks, flag & 0xffff);
return mapBlocks;
}

15
OpenSim/Server/Handlers/Map/MapGetServerConnector.cs
View File

@ -29,6 +29,7 @@ using System;
using System.IO;
using System.Net;
using System.Reflection;
using System.Threading;
using Nini.Config;
using log4net;
@ -70,6 +71,8 @@ namespace OpenSim.Server.Handlers.MapImage
class MapServerGetHandler : BaseStreamHandler
{
public static ManualResetEvent ev = new ManualResetEvent(true);
// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IMapImageService m_MapService;
@ -82,8 +85,13 @@ namespace OpenSim.Server.Handlers.MapImage
public override byte[] Handle(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
{
byte[] result = new byte[0];
ev.WaitOne();
lock (ev)
{
ev.Reset();
}
byte[] result = new byte[0];
string format = string.Empty;
result = m_MapService.GetMapTile(path.Trim('/'), out format);
if (result.Length > 0)
@ -100,6 +108,11 @@ namespace OpenSim.Server.Handlers.MapImage
httpResponse.ContentType = "text/plain";
}
lock (ev)
{
ev.Set();
}
return result;
}