/* * 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 System; using System.Collections; using System.Collections.Generic; using OpenMetaverse; using OpenSim.Region.ScriptEngine.Shared; using OpenSim.Region.ScriptEngine.Shared.Api; namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins { public class Dataserver { public AsyncCommandManager m_CmdManager; public int DataserverRequestsCount { get { lock (DataserverRequests) return DataserverRequests.Count; } } 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.PostObjectEvent(ds.localID, new EventParams("dataserver", new Object[] { new LSL_Types.LSLString(ds.ID.ToString()), new LSL_Types.LSLString(reply)}, new DetectParams[0])); } 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); } } } } }