libremetaverse/libsecondlife/examples/TestClient/Commands/System/SetMasterCommand.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using libsecondlife;
using libsecondlife.Packets;

namespace libsecondlife.TestClient
{
    public class SetMasterCommand: Command
    {
		public DateTime Created = DateTime.Now;
        private LLUUID resolvedMasterKey = LLUUID.Zero;
        private ManualResetEvent keyResolution = new ManualResetEvent(false);
        private LLUUID query = LLUUID.Zero;

        public SetMasterCommand(TestClient testClient)
		{
			Name = "setmaster";
            Description = "Sets the user name of the master user. The master user can IM to run commands. Usage: setmaster name";
		}

        public override string Execute(string[] args, LLUUID fromAgentID)
		{
			string masterName = String.Empty;
			for (int ct = 0; ct < args.Length;ct++)
				masterName = masterName + args[ct] + " ";
            masterName = masterName.TrimEnd();

            if (masterName.Length == 0)
                return "Usage: setmaster name";

            DirectoryManager.DirPeopleReplyCallback callback = new DirectoryManager.DirPeopleReplyCallback(KeyResolvHandler);
            Client.Directory.OnDirPeopleReply += callback;

            query = Client.Directory.StartPeopleSearch(DirectoryManager.DirFindFlags.People, masterName, 0);

            if (keyResolution.WaitOne(TimeSpan.FromMinutes(1), false))
            {
                Client.MasterKey = resolvedMasterKey;
                keyResolution.Reset();
                Client.Directory.OnDirPeopleReply -= callback;
            }
            else
            {
                keyResolution.Reset();
                Client.Directory.OnDirPeopleReply -= callback;
                return "Unable to obtain UUID for \"" + masterName + "\". Master unchanged.";
            }
            
            // If we see this avatar standing around, IM them. Otherwise don't bother
            // because they may be offline
            lock (Client.Network.Simulators)
            {
                for (int i = 0; i < Client.Network.Simulators.Count; i++)
                {
                    lock (Client.Network.Simulators[i].Objects.Avatars)
                    {
                        foreach (Avatar avatar in Client.Network.Simulators[i].Objects.Avatars.Values)
                        {
                            if (avatar.ID == Client.MasterKey)
                            {
                                Client.Self.InstantMessage(avatar.ID, 
                                    "You are now my master.  IM me with \"help\" for a command list.");
                                break;
                            }
                        }
                    }
                }
            }

            return String.Format("Master set to {0} ({1})", masterName, Client.MasterKey.ToStringHyphenated());
		}

        private void KeyResolvHandler(LLUUID queryid, List<DirectoryManager.AgentSearchData> matches)
        {
            if (query != queryid)
                return;
            // We can't handle ambiguities here as nicely as we can in ClientManager.
            resolvedMasterKey = matches[0].AgentID;
            keyResolution.Set();
            query = LLUUID.Zero;
        }
    }
}