680 lines
26 KiB
C#
680 lines
26 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Reflection;
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using System.Xml;
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using Nini.Config;
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using log4net;
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using OpenSim.Framework;
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using OpenSim.Framework.Console;
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using OpenSim.Data;
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using OpenSim.Server.Base;
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using OpenSim.Services.Interfaces;
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using OpenSim.Services.Connectors.Hypergrid;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenMetaverse;
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namespace OpenSim.Services.GridService
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{
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public class HypergridLinker
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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private static UUID m_HGMapImage = new UUID("00000000-0000-1111-9999-000000000013");
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private static uint m_autoMappingX = 0;
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private static uint m_autoMappingY = 0;
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private static bool m_enableAutoMapping = false;
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protected IRegionData m_Database;
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protected GridService m_GridService;
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protected IAssetService m_AssetService;
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protected GatekeeperServiceConnector m_GatekeeperConnector;
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protected UUID m_ScopeID = UUID.Zero;
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protected bool m_Check4096 = true;
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// Hyperlink regions are hyperlinks on the map
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public readonly Dictionary<UUID, GridRegion> m_HyperlinkRegions = new Dictionary<UUID, GridRegion>();
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protected Dictionary<UUID, ulong> m_HyperlinkHandles = new Dictionary<UUID, ulong>();
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protected GridRegion m_DefaultRegion;
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protected GridRegion DefaultRegion
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{
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get
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{
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if (m_DefaultRegion == null)
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{
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List<GridRegion> defs = m_GridService.GetDefaultRegions(m_ScopeID);
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if (defs != null && defs.Count > 0)
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m_DefaultRegion = defs[0];
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else
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{
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// Get any region
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defs = m_GridService.GetRegionsByName(m_ScopeID, "", 1);
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if (defs != null && defs.Count > 0)
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m_DefaultRegion = defs[0];
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else
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{
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// This shouldn't happen
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m_DefaultRegion = new GridRegion(1000, 1000);
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m_log.Error("[HYPERGRID LINKER]: Something is wrong with this grid. It has no regions?");
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}
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}
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}
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return m_DefaultRegion;
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}
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}
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public HypergridLinker(IConfigSource config, GridService gridService, IRegionData db)
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{
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m_log.DebugFormat("[HYPERGRID LINKER]: Starting with db {0}", db.GetType());
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m_Database = db;
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m_GridService = gridService;
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IConfig gridConfig = config.Configs["GridService"];
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if (gridConfig != null)
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{
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string assetService = gridConfig.GetString("AssetService", string.Empty);
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Object[] args = new Object[] { config };
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if (assetService != string.Empty)
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m_AssetService = ServerUtils.LoadPlugin<IAssetService>(assetService, args);
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string scope = gridConfig.GetString("ScopeID", string.Empty);
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if (scope != string.Empty)
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UUID.TryParse(scope, out m_ScopeID);
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m_Check4096 = gridConfig.GetBoolean("Check4096", true);
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m_GatekeeperConnector = new GatekeeperServiceConnector(m_AssetService);
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m_log.DebugFormat("[HYPERGRID LINKER]: Loaded all services...");
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}
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if (MainConsole.Instance != null)
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{
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MainConsole.Instance.Commands.AddCommand("hypergrid", false, "link-region",
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"link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>] <cr>",
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"Link a hypergrid region", RunCommand);
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MainConsole.Instance.Commands.AddCommand("hypergrid", false, "unlink-region",
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"unlink-region <local name> or <HostName>:<HttpPort> <cr>",
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"Unlink a hypergrid region", RunCommand);
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MainConsole.Instance.Commands.AddCommand("hypergrid", false, "link-mapping", "link-mapping [<x> <y>] <cr>",
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"Set local coordinate to map HG regions to", RunCommand);
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MainConsole.Instance.Commands.AddCommand("hypergrid", false, "show hyperlinks", "show hyperlinks <cr>",
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"List the HG regions", HandleShow);
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}
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}
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#region Link Region
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public GridRegion LinkRegion(UUID scopeID, string regionDescriptor)
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{
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string reason = string.Empty;
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int xloc = random.Next(0, Int16.MaxValue) * (int)Constants.RegionSize;
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return TryLinkRegionToCoords(scopeID, regionDescriptor, xloc, 0, out reason);
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}
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private static Random random = new Random();
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// From the command line link-region
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public GridRegion TryLinkRegionToCoords(UUID scopeID, string mapName, int xloc, int yloc, out string reason)
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{
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reason = string.Empty;
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string host = "127.0.0.1";
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string portstr;
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string regionName = "";
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uint port = 9000;
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string[] parts = mapName.Split(new char[] { ':' });
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if (parts.Length >= 1)
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{
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host = parts[0];
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}
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if (parts.Length >= 2)
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{
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portstr = parts[1];
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//m_log.Debug("-- port = " + portstr);
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if (!UInt32.TryParse(portstr, out port))
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regionName = parts[1];
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}
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// always take the last one
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if (parts.Length >= 3)
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{
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regionName = parts[2];
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}
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// Sanity check.
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//IPAddress ipaddr = null;
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try
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{
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//ipaddr = Util.GetHostFromDNS(host);
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Util.GetHostFromDNS(host);
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}
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catch
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{
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reason = "Malformed hostname";
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return null;
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}
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GridRegion regInfo;
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bool success = TryCreateLink(scopeID, xloc, yloc, regionName, port, host, out regInfo, out reason);
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if (success)
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{
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regInfo.RegionName = mapName;
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return regInfo;
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}
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return null;
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}
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// From the command line and the 2 above
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public bool TryCreateLink(UUID scopeID, int xloc, int yloc,
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string externalRegionName, uint externalPort, string externalHostName, out GridRegion regInfo, out string reason)
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{
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m_log.DebugFormat("[HYPERGRID LINKER]: Link to {0}:{1}:{2}, in {3}-{4}", externalHostName, externalPort, externalRegionName, xloc, yloc);
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reason = string.Empty;
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regInfo = new GridRegion();
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regInfo.RegionName = externalRegionName;
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regInfo.HttpPort = externalPort;
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regInfo.ExternalHostName = externalHostName;
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regInfo.RegionLocX = xloc;
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regInfo.RegionLocY = yloc;
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regInfo.ScopeID = scopeID;
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try
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{
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regInfo.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)0);
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}
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catch (Exception e)
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{
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m_log.Warn("[HYPERGRID LINKER]: Wrong format for link-region: " + e.Message);
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reason = "Internal error";
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return false;
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}
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// Finally, link it
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ulong handle = 0;
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UUID regionID = UUID.Zero;
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string externalName = string.Empty;
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string imageURL = string.Empty;
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if (!m_GatekeeperConnector.LinkRegion(regInfo, out regionID, out handle, out externalName, out imageURL, out reason))
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return false;
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if (regionID != UUID.Zero)
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{
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GridRegion r = m_GridService.GetRegionByUUID(scopeID, regionID);
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if (r != null)
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{
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m_log.DebugFormat("[HYPERGRID LINKER]: Region already exists in coordinates {0} {1}", r.RegionLocX / Constants.RegionSize, r.RegionLocY / Constants.RegionSize);
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regInfo = r;
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return true;
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}
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regInfo.RegionID = regionID;
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Uri uri = null;
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try
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{
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uri = new Uri(externalName);
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regInfo.ExternalHostName = uri.Host;
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regInfo.HttpPort = (uint)uri.Port;
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}
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catch
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{
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m_log.WarnFormat("[HYPERGRID LINKER]: Remote Gatekeeper at {0} provided malformed ExternalName {1}", regInfo.ExternalHostName, externalName);
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}
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string name = regInfo.RegionName;
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regInfo.RegionName = regInfo.ExternalHostName + ":" + regInfo.HttpPort;
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if (name != string.Empty)
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regInfo.RegionName += ":" + name;
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// Try get the map image
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//regInfo.TerrainImage = m_GatekeeperConnector.GetMapImage(regionID, imageURL);
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// I need a texture that works for this... the one I tried doesn't seem to be working
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regInfo.TerrainImage = m_HGMapImage;
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AddHyperlinkRegion(regInfo, handle);
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m_log.Info("[HYPERGRID LINKER]: Successfully linked to region_uuid " + regInfo.RegionID);
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}
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else
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{
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m_log.Warn("[HYPERGRID LINKER]: Unable to link region");
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reason = "Remote region could not be found";
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return false;
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}
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uint x, y;
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if (m_Check4096 && !Check4096(handle, out x, out y))
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{
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RemoveHyperlinkRegion(regInfo.RegionID);
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reason = "Region is too far (" + x + ", " + y + ")";
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m_log.Info("[HYPERGRID LINKER]: Unable to link, region is too far (" + x + ", " + y + ")");
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return false;
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}
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m_log.Debug("[HYPERGRID LINKER]: link region succeeded");
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return true;
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}
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public bool TryUnlinkRegion(string mapName)
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{
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m_log.DebugFormat("[HYPERGRID LINKER]: Request to unlink {0}", mapName);
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GridRegion regInfo = null;
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List<RegionData> regions = m_Database.Get(mapName, m_ScopeID);
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if (regions != null && regions.Count > 0)
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{
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OpenSim.Data.RegionFlags rflags = (OpenSim.Data.RegionFlags)Convert.ToInt32(regions[0].Data["flags"]);
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if ((rflags & OpenSim.Data.RegionFlags.Hyperlink) != 0)
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{
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regInfo = new GridRegion();
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regInfo.RegionID = regions[0].RegionID;
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regInfo.ScopeID = m_ScopeID;
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}
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}
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//foreach (GridRegion r in m_HyperlinkRegions.Values)
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//{
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// m_log.DebugFormat("XXX Comparing {0}:{1} with {2}:{3}", host, port, r.ExternalHostName, r.HttpPort);
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// if (host.Equals(r.ExternalHostName) && (port == r.HttpPort))
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// regInfo = r;
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//}
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if (regInfo != null)
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{
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RemoveHyperlinkRegion(regInfo.RegionID);
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return true;
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}
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else
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{
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m_log.InfoFormat("[HYPERGRID LINKER]: Region {0} not found", mapName);
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return false;
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}
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}
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/// <summary>
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/// Cope with this viewer limitation.
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/// </summary>
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/// <param name="regInfo"></param>
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/// <returns></returns>
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public bool Check4096(ulong realHandle, out uint x, out uint y)
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{
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uint ux = 0, uy = 0;
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Utils.LongToUInts(realHandle, out ux, out uy);
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x = ux / Constants.RegionSize;
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y = uy / Constants.RegionSize;
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const uint limit = (4096 - 1) * Constants.RegionSize;
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uint xmin = ux - limit;
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uint xmax = ux + limit;
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uint ymin = uy - limit;
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uint ymax = uy + limit;
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// World map boundary checks
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if (xmin < 0 || xmin > ux)
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xmin = 0;
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if (xmax > int.MaxValue || xmax < ux)
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xmax = int.MaxValue;
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if (ymin < 0 || ymin > uy)
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ymin = 0;
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if (ymax > int.MaxValue || ymax < uy)
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ymax = int.MaxValue;
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// Check for any regions that are within the possible teleport range to the linked region
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List<GridRegion> regions = m_GridService.GetRegionRange(m_ScopeID, (int)xmin, (int)xmax, (int)ymin, (int)ymax);
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if (regions.Count == 0)
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{
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return false;
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}
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else
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{
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// Check for regions which are not linked regions
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List<GridRegion> hyperlinks = m_GridService.GetHyperlinks(m_ScopeID);
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// would like to use .Except, but doesn't seem to exist
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//IEnumerable<GridRegion> availableRegions = regions.Except(hyperlinks);
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List<GridRegion> availableRegions = regions.FindAll(delegate(GridRegion region)
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{
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// Ewww! n^2
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if (hyperlinks.Find(delegate(GridRegion r) { return r.RegionID == region.RegionID; }) == null) // not hyperlink. good.
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return true;
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return false;
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});
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if (availableRegions.Count == 0)
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return false;
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}
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return true;
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}
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private void AddHyperlinkRegion(GridRegion regionInfo, ulong regionHandle)
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{
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//m_HyperlinkRegions[regionInfo.RegionID] = regionInfo;
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//m_HyperlinkHandles[regionInfo.RegionID] = regionHandle;
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RegionData rdata = m_GridService.RegionInfo2RegionData(regionInfo);
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int flags = (int)OpenSim.Data.RegionFlags.Hyperlink + (int)OpenSim.Data.RegionFlags.NoDirectLogin + (int)OpenSim.Data.RegionFlags.RegionOnline;
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rdata.Data["flags"] = flags.ToString();
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m_Database.Store(rdata);
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}
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private void RemoveHyperlinkRegion(UUID regionID)
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{
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//// Try the hyperlink collection
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//if (m_HyperlinkRegions.ContainsKey(regionID))
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//{
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// m_HyperlinkRegions.Remove(regionID);
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// m_HyperlinkHandles.Remove(regionID);
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//}
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m_Database.Delete(regionID);
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}
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#endregion
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#region Console Commands
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public void HandleShow(string module, string[] cmd)
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{
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if (cmd.Length != 2)
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{
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MainConsole.Instance.Output("Syntax: show hyperlinks");
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return;
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}
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List<RegionData> regions = m_Database.GetHyperlinks(UUID.Zero);
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if (regions == null || regions.Count < 1)
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{
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MainConsole.Instance.Output("No hyperlinks");
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return;
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}
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MainConsole.Instance.Output("Region Name Region UUID");
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MainConsole.Instance.Output("Location URI");
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MainConsole.Instance.Output("-------------------------------------------------------------------------------");
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foreach (RegionData r in regions)
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{
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MainConsole.Instance.Output(String.Format("{0,-39} {1}\n{2,-39} {3}\n",
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r.RegionName, r.RegionID,
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String.Format("{0},{1} ({2},{3})", r.posX, r.posY, r.posX / 256, r.posY / 256),
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"http://" + r.Data["serverIP"].ToString() + ":" + r.Data["serverHttpPort"].ToString()));
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}
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return;
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}
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public void RunCommand(string module, string[] cmdparams)
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{
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List<string> args = new List<string>(cmdparams);
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if (args.Count < 1)
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return;
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string command = args[0];
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args.RemoveAt(0);
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cmdparams = args.ToArray();
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RunHGCommand(command, cmdparams);
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}
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private void RunHGCommand(string command, string[] cmdparams)
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{
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if (command.Equals("link-mapping"))
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{
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if (cmdparams.Length == 2)
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{
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try
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{
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m_autoMappingX = Convert.ToUInt32(cmdparams[0]);
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m_autoMappingY = Convert.ToUInt32(cmdparams[1]);
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m_enableAutoMapping = true;
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}
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catch (Exception)
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{
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m_autoMappingX = 0;
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m_autoMappingY = 0;
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m_enableAutoMapping = false;
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}
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}
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}
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else if (command.Equals("link-region"))
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{
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if (cmdparams.Length < 3)
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{
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if ((cmdparams.Length == 1) || (cmdparams.Length == 2))
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{
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LoadXmlLinkFile(cmdparams);
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}
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else
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{
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LinkRegionCmdUsage();
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}
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return;
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}
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if (cmdparams[2].Contains(":"))
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{
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// New format
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int xloc, yloc;
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string mapName;
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try
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{
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xloc = Convert.ToInt32(cmdparams[0]);
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yloc = Convert.ToInt32(cmdparams[1]);
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mapName = cmdparams[2];
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if (cmdparams.Length > 3)
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for (int i = 3; i < cmdparams.Length; i++)
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mapName += " " + cmdparams[i];
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//m_log.Info(">> MapName: " + mapName);
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}
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catch (Exception e)
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{
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MainConsole.Instance.Output("[HGrid] Wrong format for link-region command: " + e.Message);
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LinkRegionCmdUsage();
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return;
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}
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// Convert cell coordinates given by the user to meters
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xloc = xloc * (int)Constants.RegionSize;
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yloc = yloc * (int)Constants.RegionSize;
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string reason = string.Empty;
|
|
if (TryLinkRegionToCoords(UUID.Zero, mapName, xloc, yloc, out reason) == null)
|
|
MainConsole.Instance.Output("Failed to link region: " + reason);
|
|
else
|
|
MainConsole.Instance.Output("Hyperlink established");
|
|
}
|
|
else
|
|
{
|
|
// old format
|
|
GridRegion regInfo;
|
|
int xloc, yloc;
|
|
uint externalPort;
|
|
string externalHostName;
|
|
try
|
|
{
|
|
xloc = Convert.ToInt32(cmdparams[0]);
|
|
yloc = Convert.ToInt32(cmdparams[1]);
|
|
externalPort = Convert.ToUInt32(cmdparams[3]);
|
|
externalHostName = cmdparams[2];
|
|
//internalPort = Convert.ToUInt32(cmdparams[4]);
|
|
//remotingPort = Convert.ToUInt32(cmdparams[5]);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
MainConsole.Instance.Output("[HGrid] Wrong format for link-region command: " + e.Message);
|
|
LinkRegionCmdUsage();
|
|
return;
|
|
}
|
|
|
|
// Convert cell coordinates given by the user to meters
|
|
xloc = xloc * (int)Constants.RegionSize;
|
|
yloc = yloc * (int)Constants.RegionSize;
|
|
string reason = string.Empty;
|
|
if (TryCreateLink(UUID.Zero, xloc, yloc, "", externalPort, externalHostName, out regInfo, out reason))
|
|
{
|
|
if (cmdparams.Length >= 5)
|
|
{
|
|
regInfo.RegionName = "";
|
|
for (int i = 4; i < cmdparams.Length; i++)
|
|
regInfo.RegionName += cmdparams[i] + " ";
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
else if (command.Equals("unlink-region"))
|
|
{
|
|
if (cmdparams.Length < 1)
|
|
{
|
|
UnlinkRegionCmdUsage();
|
|
return;
|
|
}
|
|
if (TryUnlinkRegion(cmdparams[0]))
|
|
MainConsole.Instance.Output("Successfully unlinked " + cmdparams[0]);
|
|
else
|
|
MainConsole.Instance.Output("Unable to unlink " + cmdparams[0] + ", region not found.");
|
|
}
|
|
}
|
|
|
|
private void LoadXmlLinkFile(string[] cmdparams)
|
|
{
|
|
//use http://www.hgurl.com/hypergrid.xml for test
|
|
try
|
|
{
|
|
XmlReader r = XmlReader.Create(cmdparams[0]);
|
|
XmlConfigSource cs = new XmlConfigSource(r);
|
|
string[] excludeSections = null;
|
|
|
|
if (cmdparams.Length == 2)
|
|
{
|
|
if (cmdparams[1].ToLower().StartsWith("excludelist:"))
|
|
{
|
|
string excludeString = cmdparams[1].ToLower();
|
|
excludeString = excludeString.Remove(0, 12);
|
|
char[] splitter = { ';' };
|
|
|
|
excludeSections = excludeString.Split(splitter);
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < cs.Configs.Count; i++)
|
|
{
|
|
bool skip = false;
|
|
if ((excludeSections != null) && (excludeSections.Length > 0))
|
|
{
|
|
for (int n = 0; n < excludeSections.Length; n++)
|
|
{
|
|
if (excludeSections[n] == cs.Configs[i].Name.ToLower())
|
|
{
|
|
skip = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!skip)
|
|
{
|
|
ReadLinkFromConfig(cs.Configs[i]);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(e.ToString());
|
|
}
|
|
}
|
|
|
|
|
|
private void ReadLinkFromConfig(IConfig config)
|
|
{
|
|
GridRegion regInfo;
|
|
int xloc, yloc;
|
|
uint externalPort;
|
|
string externalHostName;
|
|
uint realXLoc, realYLoc;
|
|
|
|
xloc = Convert.ToInt32(config.GetString("xloc", "0"));
|
|
yloc = Convert.ToInt32(config.GetString("yloc", "0"));
|
|
externalPort = Convert.ToUInt32(config.GetString("externalPort", "0"));
|
|
externalHostName = config.GetString("externalHostName", "");
|
|
realXLoc = Convert.ToUInt32(config.GetString("real-xloc", "0"));
|
|
realYLoc = Convert.ToUInt32(config.GetString("real-yloc", "0"));
|
|
|
|
if (m_enableAutoMapping)
|
|
{
|
|
xloc = (int)((xloc % 100) + m_autoMappingX);
|
|
yloc = (int)((yloc % 100) + m_autoMappingY);
|
|
}
|
|
|
|
if (((realXLoc == 0) && (realYLoc == 0)) ||
|
|
(((realXLoc - xloc < 3896) || (xloc - realXLoc < 3896)) &&
|
|
((realYLoc - yloc < 3896) || (yloc - realYLoc < 3896))))
|
|
{
|
|
xloc = xloc * (int)Constants.RegionSize;
|
|
yloc = yloc * (int)Constants.RegionSize;
|
|
string reason = string.Empty;
|
|
if (TryCreateLink(UUID.Zero, xloc, yloc, "", externalPort,
|
|
externalHostName, out regInfo, out reason))
|
|
{
|
|
regInfo.RegionName = config.GetString("localName", "");
|
|
}
|
|
else
|
|
MainConsole.Instance.Output("Unable to link " + externalHostName + ": " + reason);
|
|
}
|
|
}
|
|
|
|
|
|
private void LinkRegionCmdUsage()
|
|
{
|
|
MainConsole.Instance.Output("Usage: link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>]");
|
|
MainConsole.Instance.Output("Usage: link-region <Xloc> <Yloc> <HostName> <HttpPort> [<LocalName>]");
|
|
MainConsole.Instance.Output("Usage: link-region <URI_of_xml> [<exclude>]");
|
|
}
|
|
|
|
private void UnlinkRegionCmdUsage()
|
|
{
|
|
MainConsole.Instance.Output("Usage: unlink-region <HostName>:<HttpPort>");
|
|
MainConsole.Instance.Output("Usage: unlink-region <LocalName>");
|
|
}
|
|
|
|
#endregion
|
|
|
|
}
|
|
}
|