opensim – Rev 1
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using log4net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenSim.Server.Base;
using OpenMetaverse;
namespace OpenSim.Services.Connectors
{
public class GridServicesConnector : IGridService
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private string m_ServerURI = String.Empty;
public GridServicesConnector()
{
}
public GridServicesConnector(string serverURI)
{
m_ServerURI = serverURI.TrimEnd('/');
}
public GridServicesConnector(IConfigSource source)
{
Initialise(source);
}
public virtual void Initialise(IConfigSource source)
{
IConfig gridConfig = source.Configs["GridService"];
if (gridConfig == null)
{
m_log.Error("[GRID CONNECTOR]: GridService missing from OpenSim.ini");
throw new Exception("Grid connector init error");
}
string serviceURI = gridConfig.GetString("GridServerURI",
String.Empty);
if (serviceURI == String.Empty)
{
m_log.Error("[GRID CONNECTOR]: No Server URI named in section GridService");
throw new Exception("Grid connector init error");
}
m_ServerURI = serviceURI;
}
#region IGridService
public string RegisterRegion(UUID scopeID, GridRegion regionInfo)
{
Dictionary<string, object> rinfo = regionInfo.ToKeyValuePairs();
Dictionary<string, object> sendData = new Dictionary<string,object>();
foreach (KeyValuePair<string, object> kvp in rinfo)
sendData[kvp.Key] = (string)kvp.Value;
sendData["SCOPEID"] = scopeID.ToString();
sendData["VERSIONMIN"] = ProtocolVersions.ClientProtocolVersionMin.ToString();
sendData["VERSIONMAX"] = ProtocolVersions.ClientProtocolVersionMax.ToString();
sendData["METHOD"] = "register";
string reqString = ServerUtils.BuildQueryString(sendData);
string uri = m_ServerURI + "/grid";
// m_log.DebugFormat("[GRID CONNECTOR]: queryString = {0}", reqString);
try
{
string reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, reqString);
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData.ContainsKey("Result")&& (replyData["Result"].ToString().ToLower() == "success"))
{
return String.Empty;
}
else if (replyData.ContainsKey("Result")&& (replyData["Result"].ToString().ToLower() == "failure"))
{
m_log.ErrorFormat(
"[GRID CONNECTOR]: Registration failed: {0} when contacting {1}", replyData["Message"], uri);
return replyData["Message"].ToString();
}
else if (!replyData.ContainsKey("Result"))
{
m_log.ErrorFormat(
"[GRID CONNECTOR]: reply data does not contain result field when contacting {0}", uri);
}
else
{
m_log.ErrorFormat(
"[GRID CONNECTOR]: unexpected result {0} when contacting {1}", replyData["Result"], uri);
return "Unexpected result " + replyData["Result"].ToString();
}
}
else
{
m_log.ErrorFormat(
"[GRID CONNECTOR]: RegisterRegion received null reply when contacting grid server at {0}", uri);
}
}
catch (Exception e)
{
m_log.ErrorFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
}
return string.Format("Error communicating with the grid service at {0}", uri);
}
public bool DeregisterRegion(UUID regionID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["REGIONID"] = regionID.ToString();
sendData["METHOD"] = "deregister";
string uri = m_ServerURI + "/grid";
try
{
string reply
= SynchronousRestFormsRequester.MakeRequest("POST", uri, ServerUtils.BuildQueryString(sendData));
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData["Result"] != null) && (replyData["Result"].ToString().ToLower() == "success"))
return true;
}
else
m_log.DebugFormat("[GRID CONNECTOR]: DeregisterRegion received null reply");
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
}
return false;
}
public List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["REGIONID"] = regionID.ToString();
sendData["METHOD"] = "get_neighbours";
List<GridRegion> rinfos = new List<GridRegion>();
string reqString = ServerUtils.BuildQueryString(sendData);
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, reqString);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
//m_log.DebugFormat("[GRID CONNECTOR]: get neighbours returned {0} elements", rinfosList.Count);
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetNeighbours {0}, {1} received null response",
scopeID, regionID);
return rinfos;
}
public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["REGIONID"] = regionID.ToString();
sendData["METHOD"] = "get_region_by_uuid";
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return null;
}
GridRegion rinfo = null;
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData != null) && (replyData["result"] != null))
{
if (replyData["result"] is Dictionary<string, object>)
rinfo = new GridRegion((Dictionary<string, object>)replyData["result"]);
//else
// m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByUUID {0}, {1} received null response",
// scopeID, regionID);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByUUID {0}, {1} received null response",
scopeID, regionID);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByUUID received null reply");
return rinfo;
}
public GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["X"] = x.ToString();
sendData["Y"] = y.ToString();
sendData["METHOD"] = "get_region_by_position";
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return null;
}
GridRegion rinfo = null;
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData != null) && (replyData["result"] != null))
{
if (replyData["result"] is Dictionary<string, object>)
rinfo = new GridRegion((Dictionary<string, object>)replyData["result"]);
//else
// m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByPosition {0}, {1}-{2} received no region",
// scopeID, x, y);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByPosition {0}, {1}-{2} received null response",
scopeID, x, y);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByPosition received null reply");
return rinfo;
}
public GridRegion GetRegionByName(UUID scopeID, string regionName)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["NAME"] = regionName;
sendData["METHOD"] = "get_region_by_name";
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return null;
}
GridRegion rinfo = null;
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData != null) && (replyData["result"] != null))
{
if (replyData["result"] is Dictionary<string, object>)
rinfo = new GridRegion((Dictionary<string, object>)replyData["result"]);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByPosition {0}, {1} received null response",
scopeID, regionName);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionByName received null reply");
return rinfo;
}
public List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["NAME"] = name;
sendData["MAX"] = maxNumber.ToString();
sendData["METHOD"] = "get_regions_by_name";
List<GridRegion> rinfos = new List<GridRegion>();
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionsByName {0}, {1}, {2} received null response",
scopeID, name, maxNumber);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionsByName received null reply");
return rinfos;
}
public List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["XMIN"] = xmin.ToString();
sendData["XMAX"] = xmax.ToString();
sendData["YMIN"] = ymin.ToString();
sendData["YMAX"] = ymax.ToString();
sendData["METHOD"] = "get_region_range";
List<GridRegion> rinfos = new List<GridRegion>();
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
//m_log.DebugFormat("[GRID CONNECTOR]: reply was {0}", reply);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionRange {0}, {1}-{2} {3}-{4} received null response",
scopeID, xmin, xmax, ymin, ymax);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionRange received null reply");
return rinfos;
}
public List<GridRegion> GetDefaultRegions(UUID scopeID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["METHOD"] = "get_default_regions";
List<GridRegion> rinfos = new List<GridRegion>();
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
//m_log.DebugFormat("[GRID CONNECTOR]: reply was {0}", reply);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetDefaultRegions {0} received null response",
scopeID);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetDefaultRegions received null reply");
return rinfos;
}
public List<GridRegion> GetDefaultHypergridRegions(UUID scopeID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["METHOD"] = "get_default_hypergrid_regions";
List<GridRegion> rinfos = new List<GridRegion>();
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
//m_log.DebugFormat("[GRID CONNECTOR]: reply was {0}", reply);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetDefaultHypergridRegions {0} received null response",
scopeID);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetDefaultHypergridRegions received null reply");
return rinfos;
}
public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["X"] = x.ToString();
sendData["Y"] = y.ToString();
sendData["METHOD"] = "get_fallback_regions";
List<GridRegion> rinfos = new List<GridRegion>();
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
//m_log.DebugFormat("[GRID CONNECTOR]: reply was {0}", reply);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetFallbackRegions {0}, {1}-{2} received null response",
scopeID, x, y);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetFallbackRegions received null reply");
return rinfos;
}
public List<GridRegion> GetHyperlinks(UUID scopeID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["METHOD"] = "get_hyperlinks";
List<GridRegion> rinfos = new List<GridRegion>();
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
//m_log.DebugFormat("[GRID CONNECTOR]: reply was {0}", reply);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return rinfos;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
foreach (object r in rinfosList)
{
if (r is Dictionary<string, object>)
{
GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
rinfos.Add(rinfo);
}
}
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetHyperlinks {0} received null response",
scopeID);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetHyperlinks received null reply");
return rinfos;
}
public int GetRegionFlags(UUID scopeID, UUID regionID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["SCOPEID"] = scopeID.ToString();
sendData["REGIONID"] = regionID.ToString();
sendData["METHOD"] = "get_region_flags";
string reply = string.Empty;
string uri = m_ServerURI + "/grid";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST",
uri,
ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
return -1;
}
int flags = -1;
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData != null) && replyData.ContainsKey("result") && (replyData["result"] != null))
{
Int32.TryParse((string)replyData["result"], out flags);
//else
// m_log.DebugFormat("[GRID CONNECTOR]: GetRegionFlags {0}, {1} received wrong type {2}",
// scopeID, regionID, replyData["result"].GetType());
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionFlags {0}, {1} received null response",
scopeID, regionID);
}
else
m_log.DebugFormat("[GRID CONNECTOR]: GetRegionFlags received null reply");
return flags;
}
#endregion
}
}