/// <summary>
/// Locates the user.
/// This is a sensitive operation, only authorized IP addresses can perform it.
/// </summary>
/// <param name="request"></param>
/// <param name="remoteClient"></param>
/// <returns></returns>
public XmlRpcResponse LocateUser(XmlRpcRequest request, IPEndPoint remoteClient)
{
Hashtable hash = new Hashtable();
bool authorized = true;
if (m_VerifyCallers)
{
authorized = false;
foreach (string s in m_AuthorizedCallers)
{
if (s == remoteClient.Address.ToString())
{
authorized = true;
break;
}
}
}
if (authorized)
{
Hashtable requestData = (Hashtable)request.Params[0];
//string host = (string)requestData["host"];
//string portstr = (string)requestData["port"];
if (requestData.ContainsKey("userID"))
{
string userID_str = (string)requestData["userID"];
UUID userID = UUID.Zero;
UUID.TryParse(userID_str, out userID);
string url = m_HomeUsersService.LocateUser(userID);
if (url != string.Empty)
{
hash["URL"] = url;
}
else
{
hash["result"] = "Unable to locate user";
}
}
}
XmlRpcResponse response = new XmlRpcResponse();
response.Value = hash;
return(response);
}
protected bool TrySendInstantMessage(GridInstantMessage im, object previousLocation, bool firstTime, bool foreigner)
{
UUID toAgentID = new UUID(im.toAgentID);
PresenceInfo upd = null;
string url = string.Empty;
bool lookupAgent = false;
lock (m_UserLocationMap)
{
if (m_UserLocationMap.ContainsKey(toAgentID))
{
object o = m_UserLocationMap[toAgentID];
if (o is PresenceInfo)
{
upd = (PresenceInfo)o;
}
else if (o is string)
{
url = (string)o;
}
// We need to compare the current location with the previous
// or the recursive loop will never end because it will never try to lookup the agent again
if (!firstTime)
{
lookupAgent = true;
upd = null;
}
}
else
{
lookupAgent = true;
}
}
//m_log.DebugFormat("[XXX] Neeed lookup ? {0}", (lookupAgent ? "yes" : "no"));
// Are we needing to look-up an agent?
if (lookupAgent)
{
// Non-cached user agent lookup.
PresenceInfo[] presences = m_PresenceService.GetAgents(new string[] { toAgentID.ToString() });
if (presences != null && presences.Length > 0)
{
foreach (PresenceInfo p in presences)
{
if (p.RegionID != UUID.Zero)
{
//m_log.DebugFormat("[XXX]: Found presence in {0}", p.RegionID);
upd = p;
break;
}
}
}
if (upd == null && !foreigner)
{
// Let's check with the UAS if the user is elsewhere
m_log.DebugFormat("[HG IM SERVICE]: User is not present. Checking location with User Agent service");
try
{
url = m_UserAgentService.LocateUser(toAgentID);
}
catch (Exception e)
{
m_log.Warn("[HG IM SERVICE]: LocateUser call failed ", e);
url = string.Empty;
}
}
// check if we've tried this before..
// This is one way to end the recursive loop
//
if (!firstTime && ((previousLocation is PresenceInfo && upd != null && upd.RegionID == ((PresenceInfo)previousLocation).RegionID) ||
(previousLocation is string && upd == null && previousLocation.Equals(url))))
{
// m_log.Error("[GRID INSTANT MESSAGE]: Unable to deliver an instant message");
m_log.DebugFormat("[HG IM SERVICE]: Fail 2 {0} {1}", previousLocation, url);
return(false);
}
}
if (upd != null)
{
// ok, the user is around somewhere. Let's send back the reply with "success"
// even though the IM may still fail. Just don't keep the caller waiting for
// the entire time we're trying to deliver the IM
return(SendIMToRegion(upd, im, toAgentID, foreigner));
}
else if (url != string.Empty)
{
// ok, the user is around somewhere. Let's send back the reply with "success"
// even though the IM may still fail. Just don't keep the caller waiting for
// the entire time we're trying to deliver the IM
return(ForwardIMToGrid(url, im, toAgentID, foreigner));
}
else if (firstTime && previousLocation is string && (string)previousLocation != string.Empty)
{
return(ForwardIMToGrid((string)previousLocation, im, toAgentID, foreigner));
}
else
{
m_log.DebugFormat("[HG IM SERVICE]: Unable to locate user {0}", toAgentID);
}
return(false);
}
