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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 OpenSim 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 System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using log4net;
namespace OpenSim.Framework.Communications.Clients
{
public class RegionClient
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public bool DoCreateChildAgentCall(RegionInfo region, AgentCircuitData aCircuit, string authKey, out string reason)
{
// Eventually, we want to use a caps url instead of the agentID
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/agent/" + aCircuit.AgentID + "/";
//Console.WriteLine(" >>> DoCreateChildAgentCall <<< " + uri);
HttpWebRequest AgentCreateRequest = (HttpWebRequest)WebRequest.Create(uri);
AgentCreateRequest.Method = "POST";
AgentCreateRequest.ContentType = "application/json";
AgentCreateRequest.Timeout = 10000;
//AgentCreateRequest.KeepAlive = false;
AgentCreateRequest.Headers.Add("Authorization", authKey);
reason = String.Empty;
// Fill it in
OSDMap args = null;
try
{
args = aCircuit.PackAgentCircuitData();
}
catch (Exception e)
{
m_log.Debug("[REST COMMS]: PackAgentCircuitData failed with exception: " + e.Message);
}
// Add the regionhandle of the destination region
ulong regionHandle = GetRegionHandle(region.RegionHandle);
args["destination_handle"] = OSD.FromString(regionHandle.ToString());
string strBuffer = "";
byte[] buffer = new byte[1];
try
{
strBuffer = OSDParser.SerializeJsonString(args);
UTF8Encoding str = new UTF8Encoding();
buffer = str.GetBytes(strBuffer);
}
catch (Exception e)
{
m_log.WarnFormat("[REST COMMS]: Exception thrown on serialization of ChildCreate: {0}", e.Message);
// ignore. buffer will be empty, caller should check.
}
Stream os = null;
try
{ // send the Post
AgentCreateRequest.ContentLength = buffer.Length; //Count bytes to send
os = AgentCreateRequest.GetRequestStream();
os.Write(buffer, 0, strBuffer.Length); //Send it
os.Close();
//m_log.InfoFormat("[REST COMMS]: Posted CreateChildAgent request to remote sim {0}", uri);
}
//catch (WebException ex)
catch
{
//m_log.InfoFormat("[REST COMMS]: Bad send on ChildAgentUpdate {0}", ex.Message);
reason = "cannot contact remote region";
return false;
}
// Let's wait for the response
//m_log.Info("[REST COMMS]: Waiting for a reply after DoCreateChildAgentCall");
try
{
WebResponse webResponse = AgentCreateRequest.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on DoCreateChildAgentCall post");
}
else
{
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
string response = sr.ReadToEnd().Trim();
sr.Close();
m_log.InfoFormat("[REST COMMS]: DoCreateChildAgentCall reply was {0} ", response);
if (!String.IsNullOrEmpty(response))
{
try
{
// we assume we got an OSDMap back
OSDMap r = GetOSDMap(response);
bool success = r["success"].AsBoolean();
reason = r["reason"].AsString();
return success;
}
catch (NullReferenceException e)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of DoCreateChildAgentCall {0}", e.Message);
// check for old style response
if (response.ToLower().StartsWith("true"))
return true;
return false;
}
}
}
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of DoCreateChildAgentCall {0}", ex.Message);
// ignore, really
}
return true;
}
public bool DoChildAgentUpdateCall(RegionInfo region, IAgentData cAgentData)
{
// Eventually, we want to use a caps url instead of the agentID
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/agent/" + cAgentData.AgentID + "/";
//Console.WriteLine(" >>> DoChildAgentUpdateCall <<< " + uri);
HttpWebRequest ChildUpdateRequest = (HttpWebRequest)WebRequest.Create(uri);
ChildUpdateRequest.Method = "PUT";
ChildUpdateRequest.ContentType = "application/json";
ChildUpdateRequest.Timeout = 10000;
//ChildUpdateRequest.KeepAlive = false;
// Fill it in
OSDMap args = null;
try
{
args = cAgentData.Pack();
}
catch (Exception e)
{
m_log.Debug("[REST COMMS]: PackUpdateMessage failed with exception: " + e.Message);
}
// Add the regionhandle of the destination region
ulong regionHandle = GetRegionHandle(region.RegionHandle);
args["destination_handle"] = OSD.FromString(regionHandle.ToString());
string strBuffer = "";
byte[] buffer = new byte[1];
try
{
strBuffer = OSDParser.SerializeJsonString(args);
UTF8Encoding str = new UTF8Encoding();
buffer = str.GetBytes(strBuffer);
}
catch (Exception e)
{
m_log.WarnFormat("[REST COMMS]: Exception thrown on serialization of ChildUpdate: {0}", e.Message);
// ignore. buffer will be empty, caller should check.
}
Stream os = null;
try
{ // send the Post
ChildUpdateRequest.ContentLength = buffer.Length; //Count bytes to send
os = ChildUpdateRequest.GetRequestStream();
os.Write(buffer, 0, strBuffer.Length); //Send it
os.Close();
//m_log.InfoFormat("[REST COMMS]: Posted ChildAgentUpdate request to remote sim {0}", uri);
}
//catch (WebException ex)
catch
{
//m_log.InfoFormat("[REST COMMS]: Bad send on ChildAgentUpdate {0}", ex.Message);
return false;
}
// Let's wait for the response
//m_log.Info("[REST COMMS]: Waiting for a reply after ChildAgentUpdate");
try
{
WebResponse webResponse = ChildUpdateRequest.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on ChilAgentUpdate post");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
//reply = sr.ReadToEnd().Trim();
sr.ReadToEnd().Trim();
sr.Close();
//m_log.InfoFormat("[REST COMMS]: ChilAgentUpdate reply was {0} ", reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of ChilAgentUpdate {0}", ex.Message);
// ignore, really
}
return true;
}
public bool DoRetrieveRootAgentCall(RegionInfo region, UUID id, out IAgentData agent)
{
agent = null;
// Eventually, we want to use a caps url instead of the agentID
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/agent/" + id + "/" + region.RegionHandle.ToString() + "/";
//Console.WriteLine(" >>> DoRetrieveRootAgentCall <<< " + uri);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
request.Method = "GET";
request.Timeout = 10000;
//request.Headers.Add("authorization", ""); // coming soon
HttpWebResponse webResponse = null;
string reply = string.Empty;
try
{
webResponse = (HttpWebResponse)request.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on agent get ");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
reply = sr.ReadToEnd().Trim();
sr.Close();
//Console.WriteLine("[REST COMMS]: ChilAgentUpdate reply was " + reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of agent get {0}", ex.Message);
// ignore, really
return false;
}
if (webResponse.StatusCode == HttpStatusCode.OK)
{
// we know it's jason
OSDMap args = GetOSDMap(reply);
if (args == null)
{
//Console.WriteLine("[REST COMMS]: Error getting OSDMap from reply");
return false;
}
agent = new CompleteAgentData();
agent.Unpack(args);
return true;
}
//Console.WriteLine("[REST COMMS]: DoRetrieveRootAgentCall returned status " + webResponse.StatusCode);
return false;
}
public bool DoReleaseAgentCall(ulong regionHandle, UUID id, string uri)
{
//m_log.Debug(" >>> DoReleaseAgentCall <<< " + uri);
WebRequest request = WebRequest.Create(uri);
request.Method = "DELETE";
request.Timeout = 10000;
try
{
WebResponse webResponse = request.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on agent delete ");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
//reply = sr.ReadToEnd().Trim();
sr.ReadToEnd().Trim();
sr.Close();
//m_log.InfoFormat("[REST COMMS]: ChilAgentUpdate reply was {0} ", reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of agent delete {0}", ex.Message);
// ignore, really
}
return true;
}
public bool DoCloseAgentCall(RegionInfo region, UUID id)
{
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/agent/" + id + "/" + region.RegionHandle.ToString() + "/";
//Console.WriteLine(" >>> DoCloseAgentCall <<< " + uri);
WebRequest request = WebRequest.Create(uri);
request.Method = "DELETE";
request.Timeout = 10000;
try
{
WebResponse webResponse = request.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on agent delete ");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
//reply = sr.ReadToEnd().Trim();
sr.ReadToEnd().Trim();
sr.Close();
//m_log.InfoFormat("[REST COMMS]: ChilAgentUpdate reply was {0} ", reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of agent delete {0}", ex.Message);
// ignore, really
}
return true;
}
public bool DoCreateObjectCall(RegionInfo region, ISceneObject sog, bool allowScriptCrossing)
{
ulong regionHandle = GetRegionHandle(region.RegionHandle);
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/object/" + sog.UUID + "/" + regionHandle.ToString() + "/";
//m_log.Debug(" >>> DoCreateChildAgentCall <<< " + uri);
WebRequest ObjectCreateRequest = WebRequest.Create(uri);
ObjectCreateRequest.Method = "POST";
ObjectCreateRequest.ContentType = "application/json";
ObjectCreateRequest.Timeout = 10000;
OSDMap args = new OSDMap(2);
args["sog"] = OSD.FromString(sog.ToXmlString2());
args["extra"] = OSD.FromString(sog.ExtraToXmlString());
if (allowScriptCrossing)
{
string state = sog.GetStateSnapshot();
if (state.Length > 0)
args["state"] = OSD.FromString(state);
}
string strBuffer = "";
byte[] buffer = new byte[1];
try
{
strBuffer = OSDParser.SerializeJsonString(args);
UTF8Encoding str = new UTF8Encoding();
buffer = str.GetBytes(strBuffer);
}
catch (Exception e)
{
m_log.WarnFormat("[REST COMMS]: Exception thrown on serialization of CreateObject: {0}", e.Message);
// ignore. buffer will be empty, caller should check.
}
Stream os = null;
try
{ // send the Post
ObjectCreateRequest.ContentLength = buffer.Length; //Count bytes to send
os = ObjectCreateRequest.GetRequestStream();
os.Write(buffer, 0, strBuffer.Length); //Send it
os.Close();
m_log.InfoFormat("[REST COMMS]: Posted ChildAgentUpdate request to remote sim {0}", uri);
}
//catch (WebException ex)
catch
{
// m_log.InfoFormat("[REST COMMS]: Bad send on CreateObject {0}", ex.Message);
return false;
}
// Let's wait for the response
//m_log.Info("[REST COMMS]: Waiting for a reply after DoCreateChildAgentCall");
try
{
WebResponse webResponse = ObjectCreateRequest.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on DoCreateObjectCall post");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
//reply = sr.ReadToEnd().Trim();
sr.ReadToEnd().Trim();
sr.Close();
//m_log.InfoFormat("[REST COMMS]: DoCreateChildAgentCall reply was {0} ", reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of DoCreateObjectCall {0}", ex.Message);
// ignore, really
}
return true;
}
public bool DoCreateObjectCall(RegionInfo region, UUID userID, UUID itemID)
{
ulong regionHandle = GetRegionHandle(region.RegionHandle);
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/object/" + UUID.Zero + "/" + regionHandle.ToString() + "/";
//m_log.Debug(" >>> DoCreateChildAgentCall <<< " + uri);
WebRequest ObjectCreateRequest = WebRequest.Create(uri);
ObjectCreateRequest.Method = "PUT";
ObjectCreateRequest.ContentType = "application/json";
ObjectCreateRequest.Timeout = 10000;
OSDMap args = new OSDMap(2);
args["userid"] = OSD.FromUUID(userID);
args["itemid"] = OSD.FromUUID(itemID);
string strBuffer = "";
byte[] buffer = new byte[1];
try
{
strBuffer = OSDParser.SerializeJsonString(args);
UTF8Encoding str = new UTF8Encoding();
buffer = str.GetBytes(strBuffer);
}
catch (Exception e)
{
m_log.WarnFormat("[REST COMMS]: Exception thrown on serialization of CreateObject: {0}", e.Message);
// ignore. buffer will be empty, caller should check.
}
Stream os = null;
try
{ // send the Post
ObjectCreateRequest.ContentLength = buffer.Length; //Count bytes to send
os = ObjectCreateRequest.GetRequestStream();
os.Write(buffer, 0, strBuffer.Length); //Send it
os.Close();
//m_log.InfoFormat("[REST COMMS]: Posted CreateObject request to remote sim {0}", uri);
}
//catch (WebException ex)
catch
{
// m_log.InfoFormat("[REST COMMS]: Bad send on CreateObject {0}", ex.Message);
return false;
}
// Let's wait for the response
//m_log.Info("[REST COMMS]: Waiting for a reply after DoCreateChildAgentCall");
try
{
WebResponse webResponse = ObjectCreateRequest.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on DoCreateObjectCall post");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
sr.ReadToEnd().Trim();
sr.ReadToEnd().Trim();
sr.Close();
//m_log.InfoFormat("[REST COMMS]: DoCreateChildAgentCall reply was {0} ", reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of DoCreateObjectCall {0}", ex.Message);
// ignore, really
}
return true;
}
public bool DoHelloNeighbourCall(RegionInfo region, RegionInfo thisRegion)
{
string uri = "http://" + region.ExternalEndPoint.Address + ":" + region.HttpPort + "/region/" + thisRegion.RegionID + "/";
//m_log.Debug(" >>> DoHelloNeighbourCall <<< " + uri);
WebRequest HelloNeighbourRequest = WebRequest.Create(uri);
HelloNeighbourRequest.Method = "POST";
HelloNeighbourRequest.ContentType = "application/json";
HelloNeighbourRequest.Timeout = 10000;
// Fill it in
OSDMap args = null;
try
{
args = thisRegion.PackRegionInfoData();
}
catch (Exception e)
{
m_log.Debug("[REST COMMS]: PackRegionInfoData failed with exception: " + e.Message);
}
// Add the regionhandle of the destination region
ulong regionHandle = GetRegionHandle(region.RegionHandle);
args["destination_handle"] = OSD.FromString(regionHandle.ToString());
string strBuffer = "";
byte[] buffer = new byte[1];
try
{
strBuffer = OSDParser.SerializeJsonString(args);
UTF8Encoding str = new UTF8Encoding();
buffer = str.GetBytes(strBuffer);
}
catch (Exception e)
{
m_log.WarnFormat("[REST COMMS]: Exception thrown on serialization of HelloNeighbour: {0}", e.Message);
// ignore. buffer will be empty, caller should check.
}
Stream os = null;
try
{ // send the Post
HelloNeighbourRequest.ContentLength = buffer.Length; //Count bytes to send
os = HelloNeighbourRequest.GetRequestStream();
os.Write(buffer, 0, strBuffer.Length); //Send it
os.Close();
//m_log.InfoFormat("[REST COMMS]: Posted HelloNeighbour request to remote sim {0}", uri);
}
//catch (WebException ex)
catch
{
//m_log.InfoFormat("[REST COMMS]: Bad send on HelloNeighbour {0}", ex.Message);
return false;
}
// Let's wait for the response
//m_log.Info("[REST COMMS]: Waiting for a reply after DoHelloNeighbourCall");
try
{
WebResponse webResponse = HelloNeighbourRequest.GetResponse();
if (webResponse == null)
{
m_log.Info("[REST COMMS]: Null reply on DoHelloNeighbourCall post");
}
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
//reply = sr.ReadToEnd().Trim();
sr.ReadToEnd().Trim();
sr.Close();
//m_log.InfoFormat("[REST COMMS]: DoHelloNeighbourCall reply was {0} ", reply);
}
catch (WebException ex)
{
m_log.InfoFormat("[REST COMMS]: exception on reply of DoHelloNeighbourCall {0}", ex.Message);
// ignore, really
}
return true;
}
#region Hyperlinks
public virtual ulong GetRegionHandle(ulong handle)
{
return handle;
}
public virtual bool IsHyperlink(ulong handle)
{
return false;
}
public virtual void SendUserInformation(RegionInfo regInfo, AgentCircuitData aCircuit)
{
}
public virtual void AdjustUserInformation(AgentCircuitData aCircuit)
{
}
#endregion /* Hyperlinks */
public static OSDMap GetOSDMap(string data)
{
OSDMap args = null;
try
{
OSD buffer;
// We should pay attention to the content-type, but let's assume we know it's Json
buffer = OSDParser.DeserializeJson(data);
if (buffer.Type == OSDType.Map)
{
args = (OSDMap)buffer;
return args;
}
else
{
// uh?
System.Console.WriteLine("[REST COMMS]: Got OSD of type " + buffer.Type.ToString());
return null;
}
}
catch (Exception ex)
{
System.Console.WriteLine("[REST COMMS]: exception on parse of REST message " + ex.Message);
return null;
}
}
}
}
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