/// <summary>
/// Prepare a login to the given region. This involves both telling the region to expect a connection
/// and appropriately customising the response to the user.
/// </summary>
/// <param name="regionInfo"></param>
/// <param name="user"></param>
/// <param name="response"></param>
/// <returns>true if the region was successfully contacted, false otherwise</returns>
private bool PrepareLoginToRegion(RegionProfileData regionInfo, UserProfileData user, LoginResponse response, string clientVersion)
{
string regionName = regionInfo.regionName;
bool success = false;
try
{
lock (_LastRegionFailure)
{
if (_LastRegionFailure.ContainsKey(regionName))
{
// region failed previously
RegionLoginFailure failure = _LastRegionFailure[regionName];
if (failure.IsExpired())
{
// failure has expired, retry this region again
_LastRegionFailure.Remove(regionName);
// m_log.WarnFormat("[LOGIN]: Region '{0}' was previously down, retrying.", regionName);
}
else
{
if (failure.IsFailed())
{
// m_log.WarnFormat("[LOGIN]: Region '{0}' was recently down, skipping.", regionName);
return(false); // within 5 minutes, don't repeat attempt
}
// m_log.WarnFormat("[LOGIN]: Region '{0}' was recently down but under threshold, retrying.", regionName);
}
}
}
response.SimAddress = regionInfo.OutsideIpOrResolvedHostname;
response.SimPort = regionInfo.serverPort;
response.RegionX = regionInfo.regionLocX;
response.RegionY = regionInfo.regionLocY;
string capsPath = CapsUtil.GetRandomCapsObjectPath();
response.SeedCapability = CapsUtil.GetFullCapsSeedURL(regionInfo.httpServerURI, capsPath);
// Notify the target of an incoming user
m_log.InfoFormat(
"[LOGIN]: Telling {0} @ {1},{2} ({3}) to prepare for client connection",
regionInfo.regionName, response.RegionX, response.RegionY, response.SeedCapability);
// Update agent with target sim
user.CurrentAgent.Region = regionInfo.UUID;
user.CurrentAgent.Handle = regionInfo.regionHandle;
// Prepare notification
Hashtable loginParams = new Hashtable();
loginParams["session_id"] = user.CurrentAgent.SessionID.ToString();
loginParams["secure_session_id"] = user.CurrentAgent.SecureSessionID.ToString();
loginParams["firstname"] = user.FirstName;
loginParams["lastname"] = user.SurName;
loginParams["agent_id"] = user.ID.ToString();
loginParams["circuit_code"] = (Int32)Convert.ToUInt32(response.CircuitCode);
loginParams["startpos_x"] = user.CurrentAgent.Position.X.ToString();
loginParams["startpos_y"] = user.CurrentAgent.Position.Y.ToString();
loginParams["startpos_z"] = user.CurrentAgent.Position.Z.ToString();
loginParams["regionhandle"] = user.CurrentAgent.Handle.ToString();
loginParams["caps_path"] = capsPath;
loginParams["client_version"] = clientVersion;
// Get appearance
AvatarAppearance appearance = m_userManager.GetUserAppearance(user.ID);
if (appearance != null)
{
loginParams["appearance"] = appearance.ToHashTable();
m_log.DebugFormat("[LOGIN]: Found appearance version {0} for {1} {2}", appearance.Serial, user.FirstName, user.SurName);
}
else
{
m_log.DebugFormat("[LOGIN]: Appearance not for {0} {1}. Creating default.", user.FirstName, user.SurName);
appearance = new AvatarAppearance(user.ID);
}
// Tell the client the COF version so it can use cached appearance if it matches.
response.CofVersion = appearance.Serial.ToString();
loginParams["cof_version"] = response.CofVersion;
ArrayList SendParams = new ArrayList();
SendParams.Add(loginParams);
SendParams.Add(m_config.GridSendKey);
// Send
const string METHOD_NAME = "expect_user";
XmlRpcRequest GridReq = new XmlRpcRequest(METHOD_NAME, SendParams);
XmlRpcResponse GridResp = GridReq.Send(Util.XmlRpcRequestURI(regionInfo.httpServerURI, METHOD_NAME), 6000);
if (!GridResp.IsFault)
{
bool responseSuccess = true;
if (GridResp.Value != null)
{
Hashtable resp = (Hashtable)GridResp.Value;
if (resp.ContainsKey("success"))
{
if ((string)resp["success"] == "FALSE")
{
responseSuccess = false;
}
}
if (!responseSuccess)
{
if (resp.ContainsKey("reason"))
{
response.ErrorMessage = resp["reason"].ToString();
}
}
}
if (responseSuccess)
{
handlerUserLoggedInAtLocation = OnUserLoggedInAtLocation;
if (handlerUserLoggedInAtLocation != null)
{
handlerUserLoggedInAtLocation(user.ID, user.CurrentAgent.SessionID,
user.CurrentAgent.Region,
user.CurrentAgent.Handle,
user.CurrentAgent.Position.X,
user.CurrentAgent.Position.Y,
user.CurrentAgent.Position.Z,
user.FirstName, user.SurName);
}
success = true;
}
else
{
m_log.ErrorFormat("[LOGIN]: Region responded that it is not available to receive clients");
}
}
else
{
m_log.ErrorFormat("[LOGIN]: XmlRpc request to region failed with message {0}, code {1} ", GridResp.FaultString, GridResp.FaultCode);
}
}
catch (Exception e)
{
m_log.ErrorFormat("[LOGIN]: Region not available for login, {0}", e);
}
lock (_LastRegionFailure)
{
if (_LastRegionFailure.ContainsKey(regionName))
{
RegionLoginFailure failure = _LastRegionFailure[regionName];
if (success)
{ // Success, so if we've been storing this as a failed region, remove that from the failed list.
m_log.WarnFormat("[LOGIN]: Region '{0}' recently down, is available again.", regionName);
_LastRegionFailure.Remove(regionName);
}
else
{
// Region not available, update cache with incremented count.
failure.AddFailure();
// m_log.WarnFormat("[LOGIN]: Region '{0}' is still down ({1}).", regionName, failure.Count);
}
}
else
{
if (!success)
{
// Region not available, cache that temporarily.
m_log.WarnFormat("[LOGIN]: Region '{0}' is down, marking.", regionName);
_LastRegionFailure[regionName] = new RegionLoginFailure();
}
}
}
return(success);
}