/// <summary>
/// This Closes child agents on neighbouring regions
/// Calls an asynchronous method to do so.. so it doesn't lag the sim.
/// </summary>
protected ScenePresence CrossAgentToNewRegionAsync(
ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, GridRegion neighbourRegion,
bool isFlying, string version)
{
try
{
ulong neighbourHandle = Utils.UIntsToLong((uint)(neighbourx * Constants.RegionSize), (uint)(neighboury * Constants.RegionSize));
m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Crossing agent {0} {1} to {2}-{3} running version {4}", agent.Firstname, agent.Lastname, neighbourx, neighboury, version);
Scene m_scene = agent.Scene;
if (neighbourRegion != null)
{
if (!agent.ValidateAttachments())
m_log.DebugFormat(
"[ENTITY TRANSFER MODULE]: Failed validation of all attachments for region crossing of {0} from {1} to {2}. Continuing.",
agent.Name, agent.Scene.RegionInfo.RegionName, neighbourRegion.RegionName);
pos = pos + agent.Velocity;
Vector3 vel2 = new Vector3(agent.Velocity.X, agent.Velocity.Y, 0);
agent.RemoveFromPhysicalScene();
SetInTransit(agent.UUID);
AgentData cAgent = new AgentData();
agent.CopyTo(cAgent);
cAgent.Position = pos;
if (isFlying)
cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;
// We don't need the callback anymnore
cAgent.CallbackURI = String.Empty;
if (!m_scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
{
// region doesn't take it
ReInstantiateScripts(agent);
agent.AddToPhysicalScene(isFlying);
ResetFromTransit(agent.UUID);
return agent;
}
//AgentCircuitData circuitdata = m_controllingClient.RequestClientInfo();
agent.ControllingClient.RequestClientInfo();
//m_log.Debug("BEFORE CROSS");
//Scene.DumpChildrenSeeds(UUID);
//DumpKnownRegions();
string agentcaps;
if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
{
m_log.ErrorFormat("[ENTITY TRANSFER MODULE]: No ENTITY TRANSFER MODULE information for region handle {0}, exiting CrossToNewRegion.",
neighbourRegion.RegionHandle);
return agent;
}
string capsPath = neighbourRegion.ServerURI + CapsUtil.GetCapsSeedPath(agentcaps);
m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);
IEventQueue eq = agent.Scene.RequestModuleInterface<IEventQueue>();
if (eq != null)
{
eq.CrossRegion(neighbourHandle, pos, vel2 /* agent.Velocity */, neighbourRegion.ExternalEndPoint,
capsPath, agent.UUID, agent.ControllingClient.SessionId);
}
else
{
agent.ControllingClient.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
capsPath);
}
// SUCCESS!
agent.MakeChildAgent();
ResetFromTransit(agent.UUID);
// now we have a child agent in this region. Request all interesting data about other (root) agents
agent.SendOtherAgentsAvatarDataToMe();
agent.SendOtherAgentsAppearanceToMe();
// Backwards compatibility. Best effort
if (version == "Unknown" || version == string.Empty)
{
m_log.DebugFormat("[ENTITY TRANSFER MODULE]: neighbor with old version, passing attachments one by one...");
Thread.Sleep(3000); // wait a little now that we're not waiting for the callback
CrossAttachmentsIntoNewRegion(neighbourRegion, agent, true);
}
// Next, let's close the child agent connections that are too far away.
agent.CloseChildAgents(neighbourx, neighboury);
AgentHasMovedAway(agent, false);
// the user may change their profile information in other region,
// so the userinfo in UserProfileCache is not reliable any more, delete it
// REFACTORING PROBLEM. Well, not a problem, but this method is HORRIBLE!
if (agent.Scene.NeedSceneCacheClear(agent.UUID))
{
m_log.DebugFormat(
"[ENTITY TRANSFER MODULE]: User {0} is going to another region", agent.UUID);
}
}
//m_log.Debug("AFTER CROSS");
//Scene.DumpChildrenSeeds(UUID);
//DumpKnownRegions();
}
catch (Exception e)
{
m_log.ErrorFormat(
"[ENTITY TRANSFER MODULE]: Problem crossing user {0} to new region {1} from {2}. Exception {3}{4}",
agent.Name, neighbourRegion.RegionName, agent.Scene.RegionInfo.RegionName, e.Message, e.StackTrace);
}
return agent;
}
public bool CrossAgentToNewRegionPrep(ScenePresence agent, GridRegion neighbourRegion)
{
if (neighbourRegion == null)
return false;
m_entityTransferStateMachine.SetInTransit(agent.UUID);
agent.RemoveFromPhysicalScene();
return true;
}
/// <summary>
/// This Closes child agents on neighbouring regions
/// Calls an asynchronous method to do so.. so it doesn't lag the sim.
/// </summary>
protected ScenePresence CrossAgentToNewRegionAsync(
ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, GridRegion neighbourRegion,
bool isFlying, string version)
{
if (neighbourRegion == null)
return agent;
if (!m_entityTransferStateMachine.SetInTransit(agent.UUID))
{
m_log.ErrorFormat(
"[ENTITY TRANSFER MODULE]: Problem crossing user {0} to new region {1} from {2} - agent is already in transit",
agent.Name, neighbourRegion.RegionName, agent.Scene.RegionInfo.RegionName);
return agent;
}
bool transitWasReset = false;
try
{
ulong neighbourHandle = Utils.UIntsToLong((uint)(neighbourx * Constants.RegionSize), (uint)(neighboury * Constants.RegionSize));
m_log.DebugFormat(
"[ENTITY TRANSFER MODULE]: Crossing agent {0} {1} to {2}-{3} running version {4}",
agent.Firstname, agent.Lastname, neighbourx, neighboury, version);
Scene m_scene = agent.Scene;
if (!agent.ValidateAttachments())
m_log.DebugFormat(
"[ENTITY TRANSFER MODULE]: Failed validation of all attachments for region crossing of {0} from {1} to {2}. Continuing.",
agent.Name, agent.Scene.RegionInfo.RegionName, neighbourRegion.RegionName);
pos = pos + agent.Velocity;
Vector3 vel2 = new Vector3(agent.Velocity.X, agent.Velocity.Y, 0);
agent.RemoveFromPhysicalScene();
AgentData cAgent = new AgentData();
agent.CopyTo(cAgent);
cAgent.Position = pos;
if (isFlying)
cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;
// We don't need the callback anymnore
cAgent.CallbackURI = String.Empty;
// Beyond this point, extra cleanup is needed beyond removing transit state
m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.Transferring);
if (!m_scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
{
// region doesn't take it
m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.CleaningUp);
m_log.WarnFormat(
"[ENTITY TRANSFER MODULE]: Region {0} would not accept update for agent {1} on cross attempt. Returning to original region.",
neighbourRegion.RegionName, agent.Name);
ReInstantiateScripts(agent);
agent.AddToPhysicalScene(isFlying);
return agent;
}
//m_log.Debug("BEFORE CROSS");
//Scene.DumpChildrenSeeds(UUID);
//DumpKnownRegions();
string agentcaps;
if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
{
m_log.ErrorFormat("[ENTITY TRANSFER MODULE]: No ENTITY TRANSFER MODULE information for region handle {0}, exiting CrossToNewRegion.",
neighbourRegion.RegionHandle);
return agent;
}
// No turning back
agent.IsChildAgent = true;
string capsPath = neighbourRegion.ServerURI + CapsUtil.GetCapsSeedPath(agentcaps);
m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);
if (m_eqModule != null)
{
m_eqModule.CrossRegion(
neighbourHandle, pos, vel2 /* agent.Velocity */, neighbourRegion.ExternalEndPoint,
capsPath, agent.UUID, agent.ControllingClient.SessionId);
}
else
{
agent.ControllingClient.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
capsPath);
}
// SUCCESS!
m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.ReceivedAtDestination);
// Unlike a teleport, here we do not wait for the destination region to confirm the receipt.
m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.CleaningUp);
agent.MakeChildAgent();
// FIXME: Possibly this should occur lower down after other commands to close other agents,
// but not sure yet what the side effects would be.
m_entityTransferStateMachine.ResetFromTransit(agent.UUID);
transitWasReset = true;
// now we have a child agent in this region. Request all interesting data about other (root) agents
agent.SendOtherAgentsAvatarDataToMe();
agent.SendOtherAgentsAppearanceToMe();
// Backwards compatibility. Best effort
if (version == "Unknown" || version == string.Empty)
{
m_log.DebugFormat("[ENTITY TRANSFER MODULE]: neighbor with old version, passing attachments one by one...");
Thread.Sleep(3000); // wait a little now that we're not waiting for the callback
CrossAttachmentsIntoNewRegion(neighbourRegion, agent, true);
}
// Next, let's close the child agent connections that are too far away.
agent.CloseChildAgents(neighbourx, neighboury);
AgentHasMovedAway(agent, false);
//m_log.Debug("AFTER CROSS");
//Scene.DumpChildrenSeeds(UUID);
//DumpKnownRegions();
}
catch (Exception e)
{
m_log.ErrorFormat(
"[ENTITY TRANSFER MODULE]: Problem crossing user {0} to new region {1} from {2}. Exception {3}{4}",
agent.Name, neighbourRegion.RegionName, agent.Scene.RegionInfo.RegionName, e.Message, e.StackTrace);
// TODO: Might be worth attempting other restoration here such as reinstantiation of scripts, etc.
}
finally
{
if (!transitWasReset)
m_entityTransferStateMachine.ResetFromTransit(agent.UUID);
}
return agent;
}
