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Fix and refactor region registration. Reorder checks to short-curcuit expensive and destructive ones. Properly fix region reservation and authentication. 

Make region moves and flags preservation work again as intended. Prevent
failes reservation take-over from damging reservation data.
integration
Melanie 2012-08-25 17:32:00 +01:00
parent 67477290ad
commit 6ea95a3294
1 changed files with 33 additions and 30 deletions
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63
OpenSim/Services/GridService/GridService.cs
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@ -137,9 +137,14 @@ namespace OpenSim.Services.GridService
if (regionInfos.RegionID == UUID.Zero)
return "Invalid RegionID - cannot be zero UUID";
// This needs better sanity testing. What if regionInfo is registering in
// overlapping coords?
RegionData region = m_Database.Get(regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
if ((region != null) && (region.RegionID != regionInfos.RegionID))
{
m_log.WarnFormat("[GRID SERVICE]: Region {0} tried to register in coordinates {1}, {2} which are already in use in scope {3}.",
regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
return "Region overlaps another region";
}
if (region != null)
{
// There is a preexisting record
@ -176,32 +181,7 @@ namespace OpenSim.Services.GridService
}
}
if ((region != null) && (region.RegionID != regionInfos.RegionID))
{
m_log.WarnFormat("[GRID SERVICE]: Region {0} tried to register in coordinates {1}, {2} which are already in use in scope {3}.",
regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
return "Region overlaps another region";
}
if ((region != null) && (region.RegionID == regionInfos.RegionID) &&
((region.posX != regionInfos.RegionLocX) || (region.posY != regionInfos.RegionLocY)))
{
if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Data.RegionFlags.NoMove) != 0)
return "Can't move this region";
// Region reregistering in other coordinates. Delete the old entry
m_log.DebugFormat("[GRID SERVICE]: Region {0} ({1}) was previously registered at {2}-{3}. Deleting old entry.",
regionInfos.RegionName, regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY);
try
{
m_Database.Delete(regionInfos.RegionID);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID SERVICE]: Database exception: {0}", e);
}
}
// If we get here, the destination is clear. Now for the real check.
if (!m_AllowDuplicateNames)
{
@ -220,6 +200,31 @@ namespace OpenSim.Services.GridService
}
}
// If there is an old record for us, delete it if it is elsewhere.
region = m_Database.Get(regionInfos.RegionID, scopeID);
if ((region != null) && (region.RegionID == regionInfos.RegionID) &&
((region.posX != regionInfos.RegionLocX) || (region.posY != regionInfos.RegionLocY)))
{
if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Data.RegionFlags.NoMove) != 0)
return "Can't move this region";
if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Data.RegionFlags.LockedOut) != 0)
return "Region locked out";
// Region reregistering in other coordinates. Delete the old entry
m_log.DebugFormat("[GRID SERVICE]: Region {0} ({1}) was previously registered at {2}-{3}. Deleting old entry.",
regionInfos.RegionName, regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY);
try
{
m_Database.Delete(regionInfos.RegionID);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID SERVICE]: Database exception: {0}", e);
}
}
// Everything is ok, let's register
RegionData rdata = RegionInfo2RegionData(regionInfos);
rdata.ScopeID = scopeID;
@ -227,8 +232,6 @@ namespace OpenSim.Services.GridService
if (region != null)
{
int oldFlags = Convert.ToInt32(region.Data["flags"]);
if ((oldFlags & (int)OpenSim.Data.RegionFlags.LockedOut) != 0)
return "Region locked out";
oldFlags &= ~(int)OpenSim.Data.RegionFlags.Reservation;