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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;
using System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Region.ScriptEngine.Shared;
namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase.AsyncCommandPlugins
{
public class Dataserver
{
public AsyncCommandManager m_CmdManager;
private Dictionary<string, DataserverRequest> DataserverRequests =
new Dictionary<string, DataserverRequest>();
public Dataserver(AsyncCommandManager CmdManager)
{
m_CmdManager = CmdManager;
}
private class DataserverRequest
{
public uint localID;
public UUID itemID;
public UUID ID;
public string handle;
public DateTime startTime;
}
public UUID RegisterRequest(uint localID, UUID itemID,
string identifier)
{
lock (DataserverRequests)
{
if (DataserverRequests.ContainsKey(identifier))
return UUID.Zero;
DataserverRequest ds = new DataserverRequest();
ds.localID = localID;
ds.itemID = itemID;
ds.ID = UUID.Random();
ds.handle = identifier;
ds.startTime = DateTime.Now;
DataserverRequests[identifier]=ds;
return ds.ID;
}
}
public void DataserverReply(string identifier, string reply)
{
DataserverRequest ds;
lock (DataserverRequests)
{
if (!DataserverRequests.ContainsKey(identifier))
return;
ds=DataserverRequests[identifier];
DataserverRequests.Remove(identifier);
}
m_CmdManager.m_ScriptEngine.m_EventQueueManager.AddToObjectQueue(
ds.localID, "dataserver", EventQueueManager.llDetectNull,
new Object[] { new LSL_Types.LSLString(ds.ID.ToString()),
new LSL_Types.LSLString(reply)});
}
public void RemoveEvents(uint localID, UUID itemID)
{
lock (DataserverRequests)
{
foreach (DataserverRequest ds in new List<DataserverRequest>(DataserverRequests.Values))
{
if (ds.itemID == itemID)
DataserverRequests.Remove(ds.handle);
}
}
}
public void ExpireRequests()
{
lock (DataserverRequests)
{
foreach (DataserverRequest ds in new List<DataserverRequest>(DataserverRequests.Values))
{
if (ds.startTime > DateTime.Now.AddSeconds(30))
DataserverRequests.Remove(ds.handle);
}
}
}
}
}
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