/* * 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.Generic; using System.Net; using System.Net.Sockets; using OpenMetaverse.Packets; namespace OpenSim.Region.ClientStack.LindenUDP.Tests { /// <summary> /// This class enables synchronous testing of the LLUDPServer by allowing us to load our own data into the end /// receive event /// </summary> public class TestLLUDPServer : LLUDPServer { /// <summary> /// The chunks of data to pass to the LLUDPServer when it calls EndReceive /// </summary> protected Queue<ChunkSenderTuple> m_chunksToLoad = new Queue<ChunkSenderTuple>(); protected override void BeginReceive() { if (m_chunksToLoad.Count > 0 && m_chunksToLoad.Peek().BeginReceiveException) { ChunkSenderTuple tuple = m_chunksToLoad.Dequeue(); reusedEpSender = tuple.Sender; throw new SocketException(); } } protected override bool EndReceive(out int numBytes, IAsyncResult result, ref EndPoint epSender) { numBytes = 0; //m_log.Debug("Queue size " + m_chunksToLoad.Count); if (m_chunksToLoad.Count <= 0) return false; ChunkSenderTuple tuple = m_chunksToLoad.Dequeue(); RecvBuffer = tuple.Data; numBytes = tuple.Data.Length; epSender = tuple.Sender; return true; } public override void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode) { // Don't do anything just yet } /// <summary> /// Signal that this chunk should throw an exception on Socket.BeginReceive() /// </summary> /// <param name="epSender"></param> public void LoadReceiveWithBeginException(EndPoint epSender) { ChunkSenderTuple tuple = new ChunkSenderTuple(epSender); tuple.BeginReceiveException = true; m_chunksToLoad.Enqueue(tuple); } /// <summary> /// Load some data to be received by the LLUDPServer on the next receive call /// </summary> /// <param name="data"></param> /// <param name="epSender"></param> public void LoadReceive(byte[] data, EndPoint epSender) { m_chunksToLoad.Enqueue(new ChunkSenderTuple(data, epSender)); } /// <summary> /// Load a packet to be received by the LLUDPServer on the next receive call /// </summary> /// <param name="packet"></param> public void LoadReceive(Packet packet, EndPoint epSender) { LoadReceive(packet.ToBytes(), epSender); } /// <summary> /// Calls the protected asynchronous result method. This fires out all data chunks currently queued for send /// </summary> /// <param name="result"></param> public void ReceiveData(IAsyncResult result) { while (m_chunksToLoad.Count > 0) OnReceivedData(result); } /// <summary> /// Has a circuit with the given code been established? /// </summary> /// <param name="circuitCode"></param> /// <returns></returns> public bool HasCircuit(uint circuitCode) { lock (clientCircuits_reverse) { return clientCircuits_reverse.ContainsKey(circuitCode); } } } /// <summary> /// Record the data and sender tuple /// </summary> public class ChunkSenderTuple { public byte[] Data; public EndPoint Sender; public bool BeginReceiveException; public ChunkSenderTuple(byte[] data, EndPoint sender) { Data = data; Sender = sender; } public ChunkSenderTuple(EndPoint sender) { Sender = sender; } } }