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 FriendInfo = OpenSim.Services.Interfaces.FriendInfo;
using OpenSim.Server.Base;
using OpenMetaverse;
namespace OpenSim.Services.Connectors.Friends
{
public class FriendsServicesConnector : IFriendsService
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private string m_ServerURI = String.Empty;
public FriendsServicesConnector()
{
}
public FriendsServicesConnector(string serverURI)
{
m_ServerURI = serverURI.TrimEnd('/');
}
public FriendsServicesConnector(IConfigSource source)
{
Initialise(source);
}
public virtual void Initialise(IConfigSource source)
{
IConfig gridConfig = source.Configs["FriendsService"];
if (gridConfig == null)
{
m_log.Error("[FRIENDS SERVICE CONNECTOR]: FriendsService missing from OpenSim.ini");
throw new Exception("Friends connector init error");
}
string serviceURI = gridConfig.GetString("FriendsServerURI",
String.Empty);
if (serviceURI == String.Empty)
{
m_log.Error("[FRIENDS SERVICE CONNECTOR]: No Server URI named in section FriendsService");
throw new Exception("Friends connector init error");
}
m_ServerURI = serviceURI;
}
#region IFriendsService
public FriendInfo[] GetFriends(UUID PrincipalID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["PRINCIPALID"] = PrincipalID.ToString();
sendData["METHOD"] = "getfriends";
return GetFriends(sendData, PrincipalID.ToString());
}
public FriendInfo[] GetFriends(string PrincipalID)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["PRINCIPALID"] = PrincipalID;
sendData["METHOD"] = "getfriends_string";
return GetFriends(sendData, PrincipalID);
}
protected FriendInfo[] GetFriends(Dictionary<string, object> sendData, string PrincipalID)
{
string reqString = ServerUtils.BuildQueryString(sendData);
string uri = m_ServerURI + "/friends";
try
{
string reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, reqString);
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if (replyData != null)
{
if (replyData.ContainsKey("result") && (replyData["result"].ToString().ToLower() == "null"))
{
return new FriendInfo[0];
}
List<FriendInfo> finfos = new List<FriendInfo>();
Dictionary<string, object>.ValueCollection finfosList = replyData.Values;
//m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: get neighbours returned {0} elements", rinfosList.Count);
foreach (object f in finfosList)
{
if (f is Dictionary<string, object>)
{
FriendInfo finfo = new FriendInfo((Dictionary<string, object>)f);
finfos.Add(finfo);
}
else
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: GetFriends {0} received invalid response type {1}",
PrincipalID, f.GetType());
}
// Success
return finfos.ToArray();
}
else
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: GetFriends {0} received null response",
PrincipalID);
}
}
catch (Exception e)
{
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: Exception when contacting friends server at {0}: {1}", uri, e.Message);
}
return new FriendInfo[0];
}
public bool StoreFriend(string PrincipalID, string Friend, int flags)
{
Dictionary<string, object> sendData = ToKeyValuePairs(PrincipalID, Friend, flags);
sendData["METHOD"] = "storefriend";
string reply = string.Empty;
string uri = m_ServerURI + "/friends";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: Exception when contacting friends server at {0}: {1}", uri, e.Message);
return false;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData != null) && replyData.ContainsKey("Result") && (replyData["Result"] != null))
{
bool success = false;
Boolean.TryParse(replyData["Result"].ToString(), out success);
return success;
}
else
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: StoreFriend {0} {1} received null response",
PrincipalID, Friend);
}
else
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: StoreFriend received null reply");
return false;
}
public bool Delete(string PrincipalID, string Friend)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["PRINCIPALID"] = PrincipalID.ToString();
sendData["FRIEND"] = Friend;
sendData["METHOD"] = "deletefriend_string";
return Delete(sendData, PrincipalID, Friend);
}
public bool Delete(UUID PrincipalID, string Friend)
{
Dictionary<string, object> sendData = new Dictionary<string, object>();
sendData["PRINCIPALID"] = PrincipalID.ToString();
sendData["FRIEND"] = Friend;
sendData["METHOD"] = "deletefriend";
return Delete(sendData, PrincipalID.ToString(), Friend);
}
public bool Delete(Dictionary<string, object> sendData, string PrincipalID, string Friend)
{
string reply = string.Empty;
string uri = m_ServerURI + "/friends";
try
{
reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, ServerUtils.BuildQueryString(sendData));
}
catch (Exception e)
{
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: Exception when contacting friends server at {0}: {1}", uri, e.Message);
return false;
}
if (reply != string.Empty)
{
Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
if ((replyData != null) && replyData.ContainsKey("Result") && (replyData["Result"] != null))
{
bool success = false;
Boolean.TryParse(replyData["Result"].ToString(), out success);
return success;
}
else
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: DeleteFriend {0} {1} received null response",
PrincipalID, Friend);
}
else
m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: DeleteFriend received null reply");
return false;
}
#endregion
public Dictionary<string, object> ToKeyValuePairs(string principalID, string friend, int flags)
{
Dictionary<string, object> result = new Dictionary<string, object>();
result["PrincipalID"] = principalID;
result["Friend"] = friend;
result["MyFlags"] = flags;
return result;
}
}
}
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