136 lines
5.5 KiB
C#
136 lines
5.5 KiB
C#
/***************************************************************************
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The Disc Image Chef
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----------------------------------------------------------------------------
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Filename : DownloadTerrainCommand.cs
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Version : 1.0.326
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Author(s) : Natalia Portillo
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Component : NatiBot
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Revision : r326
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Last change by : Natalia Portillo
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Date : 2010/01/01
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--[ License ] --------------------------------------------------------------
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------------------------------------------
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Copyright (C) 2008-2014 Claunia.com
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****************************************************************************/
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namespace bot.Commands
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{
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using bot;
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using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Threading;
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using OpenMetaverse;
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public class DownloadTerrainCommand : Command
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{
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/// <summary>
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/// Create a Synchronization event object
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/// </summary>
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private static AutoResetEvent xferTimeout = new AutoResetEvent(false);
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/// <summary>A string we use to report the result of the request with.</summary>
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private static System.Text.StringBuilder result = new System.Text.StringBuilder();
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private static string fileName;
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/// <summary>
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/// Download a simulators raw terrain data and save it to a file
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/// </summary>
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/// <param name="testClient"></param>
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public DownloadTerrainCommand(SecondLifeBot SecondLifeBot)
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{
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Name = "downloadterrain";
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Description = bot.Localization.clResourceManager.getText("Commands.DownloadTerrain.Description") + " " + bot.Localization.clResourceManager.getText("Commands.DownloadTerrain.Usage");
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}
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/// <summary>
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/// Execute the application
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/// </summary>
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/// <param name="args">arguments passed to this module</param>
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/// <param name="fromAgentID">The ID of the avatar sending the request</param>
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/// <returns></returns>
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public override string Execute(string[] args, UUID fromAgentID, bool something_else)
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{
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int timeout = 120000; // default the timeout to 2 minutes
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fileName = "terrain/" + Client.Network.CurrentSim.Name + ".raw";
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if (args.Length > 0 && int.TryParse(args[0], out timeout) != true)
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return bot.Localization.clResourceManager.getText("Commands.DownloadTerrain.Usage");
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// Create a delegate which will be fired when the simulator receives our download request
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// Starts the actual transfer request
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AssetManager.InitiateDownloadCallback initiateDownloadDelegate = delegate(string simFilename, string viewerFileName)
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{
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Client.Assets.RequestAssetXfer(simFilename, false, false, UUID.Zero, AssetType.Unknown, false);
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};
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// Subscribe to the event that will tell us the status of the download
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Client.Assets.OnXferReceived += new AssetManager.XferReceivedCallback(Assets_OnXferReceived);
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// subscribe to the event which tells us when the simulator has received our request
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Client.Assets.OnInitiateDownload += initiateDownloadDelegate;
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// configure request to tell the simulator to send us the file
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List<string> parameters = new List<string>();
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parameters.Add("download filename");
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parameters.Add(fileName);
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// send the request
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Client.Estate.EstateOwnerMessage("terrain", parameters);
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// wait for (timeout) seconds for the request to complete (defaults 2 minutes)
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if (!xferTimeout.WaitOne(timeout, false))
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{
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result.Append(bot.Localization.clResourceManager.getText("Commands.DownloadTerrain.Timeout"));
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}
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// unsubscribe from events
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Client.Assets.OnInitiateDownload -= initiateDownloadDelegate;
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Client.Assets.OnXferReceived -= new AssetManager.XferReceivedCallback(Assets_OnXferReceived);
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// return the result
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return result.ToString();
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}
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/// <summary>
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/// Handle the reply to the OnXferReceived event
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/// </summary>
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/// <param name="xfer"></param>
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private void Assets_OnXferReceived(XferDownload xfer)
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{
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if (xfer.Success)
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{
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// set the result message
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result.AppendFormat(bot.Localization.clResourceManager.getText("Commands.DownloadTerrain.Success"), xfer.Filename, xfer.Size, fileName);
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// write the file to disk
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FileStream stream = new FileStream(fileName, FileMode.Create);
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BinaryWriter w = new BinaryWriter(stream);
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w.Write(xfer.AssetData);
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w.Close();
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// tell the application we've gotten the file
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xferTimeout.Set();
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}
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}
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}
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}
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