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Merge branch 'master' into bigmerge

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This commit is contained in:
Melanie
2011-12-09 08:13:57 +00:00
parent 3b991a2222 63fe673af1
commit d913303875
12 changed files with 359 additions and 284 deletions
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107
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
View File

@@ -328,7 +328,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// The method to call if the packet is not acked by the client. If null, then a standard
/// resend of the packet is done.
/// </param>
public void SendPacket(
public virtual void SendPacket(
LLUDPClient udpClient, Packet packet, ThrottleOutPacketType category, bool allowSplitting, UnackedPacketMethod method)
{
// CoarseLocationUpdate packets cannot be split in an automated way
@@ -611,11 +611,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
outgoingPacket.TickCount = Environment.TickCount & Int32.MaxValue;
}
protected override void PacketReceived(UDPPacketBuffer buffer)
public override void PacketReceived(UDPPacketBuffer buffer)
{
// Debugging/Profiling
//try { Thread.CurrentThread.Name = "PacketReceived (" + m_scene.RegionInfo.RegionName + ")"; }
//catch (Exception) { }
// m_log.DebugFormat(
// "[LLUDPSERVER]: Packet received from {0} in {1}", buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
LLUDPClient udpClient = null;
Packet packet = null;
@@ -625,7 +627,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
#region Decoding
if (buffer.DataLength < 7)
{
// m_log.WarnFormat(
// "[LLUDPSERVER]: Dropping undersized packet with {0} bytes received from {1} in {2}",
// buffer.DataLength, buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
return; // Drop undersizd packet
}
int headerLen = 7;
if (buffer.Data[6] == 0xFF)
@@ -637,7 +645,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
if (buffer.DataLength < headerLen)
{
// m_log.WarnFormat(
// "[LLUDPSERVER]: Dropping packet with malformed header received from {0} in {1}",
// buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
return; // Malformed header
}
try
{
@@ -650,6 +664,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
catch (IndexOutOfRangeException)
{
// m_log.WarnFormat(
// "[LLUDPSERVER]: Dropping short packet received from {0} in {1}",
// buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
return; // Drop short packet
}
catch(Exception e)
@@ -887,29 +905,55 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// DateTime startTime = DateTime.Now;
object[] array = (object[])o;
UDPPacketBuffer buffer = (UDPPacketBuffer)array[0];
UseCircuitCodePacket packet = (UseCircuitCodePacket)array[1];
UseCircuitCodePacket uccp = (UseCircuitCodePacket)array[1];
m_log.DebugFormat("[LLUDPSERVER]: Handling UseCircuitCode request from {0}", buffer.RemoteEndPoint);
IPEndPoint remoteEndPoint = (IPEndPoint)buffer.RemoteEndPoint;
// Begin the process of adding the client to the simulator
IClientAPI client = AddNewClient((UseCircuitCodePacket)packet, remoteEndPoint);
// Send ack straight away to let the viewer know that the connection is active.
SendAckImmediate(remoteEndPoint, packet.Header.Sequence);
// FIXME: Nasty - this is the only way we currently know if Scene.AddNewClient() failed to find a
// circuit and bombed out early. That check might be pointless since authorization is established
// up here.
if (client != null && client.SceneAgent != null)
client.SceneAgent.SendInitialDataToMe();
AuthenticateResponse sessionInfo;
if (IsClientAuthorized(uccp, out sessionInfo))
{
// Begin the process of adding the client to the simulator
IClientAPI client
= AddClient(
uccp.CircuitCode.Code,
uccp.CircuitCode.ID,
uccp.CircuitCode.SessionID,
remoteEndPoint,
sessionInfo);
// Send ack straight away to let the viewer know that the connection is active.
// The client will be null if it already exists (e.g. if on a region crossing the client sends a use
// circuit code to the existing child agent. This is not particularly obvious.
SendAckImmediate(remoteEndPoint, uccp.Header.Sequence);
// We only want to send initial data to new clients, not ones which are being converted from child to root.
if (client != null)
client.SceneAgent.SendInitialDataToMe();
}
else
{
// Don't create clients for unauthorized requesters.
m_log.WarnFormat(
"[LLUDPSERVER]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
uccp.CircuitCode.ID, uccp.CircuitCode.Code, remoteEndPoint);
}
// m_log.DebugFormat(
// "[LLUDPSERVER]: Handling UseCircuitCode request from {0} took {1}ms",
// buffer.RemoteEndPoint, (DateTime.Now - startTime).Milliseconds);
}
/// <summary>
/// Send an ack immediately to the given endpoint.
/// </summary>
/// <remarks>
/// FIXME: Might be possible to use SendPacketData() like everything else, but this will require refactoring so
/// that we can obtain the UDPClient easily at this point.
/// </remarks>
/// <param name="remoteEndpoint"></param>
/// <param name="sequenceNumber"></param>
private void SendAckImmediate(IPEndPoint remoteEndpoint, uint sequenceNumber)
{
PacketAckPacket ack = new PacketAckPacket();
@@ -918,6 +962,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
ack.Packets[0] = new PacketAckPacket.PacketsBlock();
ack.Packets[0].ID = sequenceNumber;
SendAckImmediate(remoteEndpoint, ack);
}
public virtual void SendAckImmediate(IPEndPoint remoteEndpoint, PacketAckPacket ack)
{
byte[] packetData = ack.ToBytes();
int length = packetData.Length;
@@ -939,36 +988,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return sessionInfo.Authorised;
}
/// <summary>
/// Add a new client.
/// </summary>
/// <param name="useCircuitCode"></param>
/// <param name="remoteEndPoint"></param>
/// <returns>
/// The client that was added or null if the client failed authorization or already existed.
/// </returns>
private IClientAPI AddNewClient(UseCircuitCodePacket useCircuitCode, IPEndPoint remoteEndPoint)
{
UUID agentID = useCircuitCode.CircuitCode.ID;
UUID sessionID = useCircuitCode.CircuitCode.SessionID;
uint circuitCode = useCircuitCode.CircuitCode.Code;
AuthenticateResponse sessionInfo;
if (IsClientAuthorized(useCircuitCode, out sessionInfo))
{
return AddClient(circuitCode, agentID, sessionID, remoteEndPoint, sessionInfo);
}
else
{
// Don't create circuits for unauthorized clients
m_log.WarnFormat(
"[LLUDPSERVER]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
useCircuitCode.CircuitCode.ID, useCircuitCode.CircuitCode.Code, remoteEndPoint);
return null;
}
}
/// <summary>
/// Add a client.
/// </summary>

2
OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs
View File

@@ -44,7 +44,7 @@ namespace OpenMetaverse
/// This method is called when an incoming packet is received
/// </summary>
/// <param name="buffer">Incoming packet buffer</param>
protected abstract void PacketReceived(UDPPacketBuffer buffer);
public abstract void PacketReceived(UDPPacketBuffer buffer);
/// <summary>UDP port to bind to in server mode</summary>
protected int m_udpPort;

232
OpenSim/Region/ClientStack/Linden/UDP/Tests/BasicCircuitTests.cs
View File

@@ -25,6 +25,7 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Net;
using log4net.Config;
using Nini.Config;
@@ -32,6 +33,7 @@ using NUnit.Framework;
using OpenMetaverse;
using OpenMetaverse.Packets;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Tests.Common;
using OpenSim.Tests.Common.Mock;
@@ -43,19 +45,22 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
[TestFixture]
public class BasicCircuitTests
{
[SetUp]
public void Init()
[TestFixtureSetUp]
public void FixtureInit()
{
try
{
XmlConfigurator.Configure();
}
catch
{
// I don't care, just leave log4net off
}
// Don't allow tests to be bamboozled by asynchronous events. Execute everything on the same thread.
Util.FireAndForgetMethod = FireAndForgetMethod.RegressionTest;
}
[TestFixtureTearDown]
public void TearDown()
{
// We must set this back afterwards, otherwise later tests will fail since they're expecting multiple
// threads. Possibly, later tests should be rewritten so none of them require async stuff (which regression
// tests really shouldn't).
Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
}
// /// <summary>
// /// Add a client for testing
// /// </summary>
@@ -78,54 +83,54 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
// testLLUDPServer.LocalScene = scene;
// }
/// <summary>
/// Set up a client for tests which aren't concerned with this process itself and where only one client is being
/// tested
/// </summary>
/// <param name="circuitCode"></param>
/// <param name="epSender"></param>
/// <param name="testLLUDPServer"></param>
/// <param name="acm"></param>
protected void AddClient(
uint circuitCode, EndPoint epSender, TestLLUDPServer testLLUDPServer, AgentCircuitManager acm)
{
UUID myAgentUuid = UUID.Parse("00000000-0000-0000-0000-000000000001");
UUID mySessionUuid = UUID.Parse("00000000-0000-0000-0000-000000000002");
AddClient(circuitCode, epSender, myAgentUuid, mySessionUuid, testLLUDPServer, acm);
}
// /// <summary>
// /// Set up a client for tests which aren't concerned with this process itself and where only one client is being
// /// tested
// /// </summary>
// /// <param name="circuitCode"></param>
// /// <param name="epSender"></param>
// /// <param name="testLLUDPServer"></param>
// /// <param name="acm"></param>
// protected void AddClient(
// uint circuitCode, EndPoint epSender, TestLLUDPServer testLLUDPServer, AgentCircuitManager acm)
// {
// UUID myAgentUuid = UUID.Parse("00000000-0000-0000-0000-000000000001");
// UUID mySessionUuid = UUID.Parse("00000000-0000-0000-0000-000000000002");
//
// AddClient(circuitCode, epSender, myAgentUuid, mySessionUuid, testLLUDPServer, acm);
// }
/// <summary>
/// Set up a client for tests which aren't concerned with this process itself
/// </summary>
/// <param name="circuitCode"></param>
/// <param name="epSender"></param>
/// <param name="agentId"></param>
/// <param name="sessionId"></param>
/// <param name="testLLUDPServer"></param>
/// <param name="acm"></param>
protected void AddClient(
uint circuitCode, EndPoint epSender, UUID agentId, UUID sessionId,
TestLLUDPServer testLLUDPServer, AgentCircuitManager acm)
{
AgentCircuitData acd = new AgentCircuitData();
acd.AgentID = agentId;
acd.SessionID = sessionId;
UseCircuitCodePacket uccp = new UseCircuitCodePacket();
UseCircuitCodePacket.CircuitCodeBlock uccpCcBlock
= new UseCircuitCodePacket.CircuitCodeBlock();
uccpCcBlock.Code = circuitCode;
uccpCcBlock.ID = agentId;
uccpCcBlock.SessionID = sessionId;
uccp.CircuitCode = uccpCcBlock;
acm.AddNewCircuit(circuitCode, acd);
testLLUDPServer.LoadReceive(uccp, epSender);
testLLUDPServer.ReceiveData(null);
}
// /// <summary>
// /// Set up a client for tests which aren't concerned with this process itself
// /// </summary>
// /// <param name="circuitCode"></param>
// /// <param name="epSender"></param>
// /// <param name="agentId"></param>
// /// <param name="sessionId"></param>
// /// <param name="testLLUDPServer"></param>
// /// <param name="acm"></param>
// protected void AddClient(
// uint circuitCode, EndPoint epSender, UUID agentId, UUID sessionId,
// TestLLUDPServer testLLUDPServer, AgentCircuitManager acm)
// {
// AgentCircuitData acd = new AgentCircuitData();
// acd.AgentID = agentId;
// acd.SessionID = sessionId;
//
// UseCircuitCodePacket uccp = new UseCircuitCodePacket();
//
// UseCircuitCodePacket.CircuitCodeBlock uccpCcBlock
// = new UseCircuitCodePacket.CircuitCodeBlock();
// uccpCcBlock.Code = circuitCode;
// uccpCcBlock.ID = agentId;
// uccpCcBlock.SessionID = sessionId;
// uccp.CircuitCode = uccpCcBlock;
//
// acm.AddNewCircuit(circuitCode, acd);
//
// testLLUDPServer.LoadReceive(uccp, epSender);
// testLLUDPServer.ReceiveData(null);
// }
/// <summary>
/// Build an object name packet for test purposes
@@ -144,54 +149,69 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
return onp;
}
// /// <summary>
// /// Test adding a client to the stack
// /// </summary>
// [Test]
// public void TestAddClient()
// {
// TestHelper.InMethod();
//
// uint myCircuitCode = 123456;
// UUID myAgentUuid = UUID.Parse("00000000-0000-0000-0000-000000000001");
// UUID mySessionUuid = UUID.Parse("00000000-0000-0000-0000-000000000002");
//
// TestLLUDPServer testLLUDPServer;
// TestLLPacketServer testLLPacketServer;
// AgentCircuitManager acm;
// SetupStack(new MockScene(), out testLLUDPServer, out testLLPacketServer, out acm);
//
// AgentCircuitData acd = new AgentCircuitData();
// acd.AgentID = myAgentUuid;
// acd.SessionID = mySessionUuid;
//
// UseCircuitCodePacket uccp = new UseCircuitCodePacket();
//
// UseCircuitCodePacket.CircuitCodeBlock uccpCcBlock
// = new UseCircuitCodePacket.CircuitCodeBlock();
// uccpCcBlock.Code = myCircuitCode;
// uccpCcBlock.ID = myAgentUuid;
// uccpCcBlock.SessionID = mySessionUuid;
// uccp.CircuitCode = uccpCcBlock;
//
// EndPoint testEp = new IPEndPoint(IPAddress.Loopback, 999);
//
// testLLUDPServer.LoadReceive(uccp, testEp);
// testLLUDPServer.ReceiveData(null);
//
// // Circuit shouildn't exist since the circuit manager doesn't know about this circuit for authentication yet
// Assert.IsFalse(testLLUDPServer.HasCircuit(myCircuitCode));
//
// acm.AddNewCircuit(myCircuitCode, acd);
//
// testLLUDPServer.LoadReceive(uccp, testEp);
// testLLUDPServer.ReceiveData(null);
//
// // Should succeed now
// Assert.IsTrue(testLLUDPServer.HasCircuit(myCircuitCode));
// Assert.IsFalse(testLLUDPServer.HasCircuit(101));
// }
//
/// <summary>
/// Test adding a client to the stack
/// </summary>
[Test]
public void TestAddClient()
{
TestHelpers.InMethod();
// XmlConfigurator.Configure();
TestScene scene = SceneHelpers.SetupScene();
uint myCircuitCode = 123456;
UUID myAgentUuid = TestHelpers.ParseTail(0x1);
UUID mySessionUuid = TestHelpers.ParseTail(0x2);
IPEndPoint testEp = new IPEndPoint(IPAddress.Loopback, 999);
uint port = 0;
AgentCircuitManager acm = scene.AuthenticateHandler;
TestLLUDPServer llUdpServer
= new TestLLUDPServer(IPAddress.Any, ref port, 0, false, new IniConfigSource(), acm);
llUdpServer.AddScene(scene);
UseCircuitCodePacket uccp = new UseCircuitCodePacket();
UseCircuitCodePacket.CircuitCodeBlock uccpCcBlock
= new UseCircuitCodePacket.CircuitCodeBlock();
uccpCcBlock.Code = myCircuitCode;
uccpCcBlock.ID = myAgentUuid;
uccpCcBlock.SessionID = mySessionUuid;
uccp.CircuitCode = uccpCcBlock;
byte[] uccpBytes = uccp.ToBytes();
UDPPacketBuffer upb = new UDPPacketBuffer(testEp, uccpBytes.Length);
upb.DataLength = uccpBytes.Length; // God knows why this isn't set by the constructor.
Buffer.BlockCopy(uccpBytes, 0, upb.Data, 0, uccpBytes.Length);
llUdpServer.PacketReceived(upb);
// Presence shouldn't exist since the circuit manager doesn't know about this circuit for authentication yet
Assert.That(scene.GetScenePresence(myAgentUuid), Is.Null);
AgentCircuitData acd = new AgentCircuitData();
acd.AgentID = myAgentUuid;
acd.SessionID = mySessionUuid;
acm.AddNewCircuit(myCircuitCode, acd);
llUdpServer.PacketReceived(upb);
// Should succeed now
ScenePresence sp = scene.GetScenePresence(myAgentUuid);
Assert.That(sp.UUID, Is.EqualTo(myAgentUuid));
Assert.That(llUdpServer.PacketsSent.Count, Is.EqualTo(1));
Packet packet = llUdpServer.PacketsSent[0];
Assert.That(packet, Is.InstanceOf(typeof(PacketAckPacket)));
PacketAckPacket ackPacket = packet as PacketAckPacket;
Assert.That(ackPacket.Packets.Length, Is.EqualTo(1));
Assert.That(ackPacket.Packets[0].ID, Is.EqualTo(0));
}
// /// <summary>
// /// Test removing a client from the stack
// /// </summary>

181
OpenSim/Region/ClientStack/Linden/UDP/Tests/TestLLUDPServer.cs
View File

@@ -36,107 +36,106 @@ using OpenSim.Framework;
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
/// This class enables regression testing of the LLUDPServer by allowing us to intercept outgoing data.
/// </summary>
public class TestLLUDPServer : LLUDPServer
{
public List<Packet> PacketsSent { get; private set; }
public TestLLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
: base(listenIP, ref port, proxyPortOffsetParm, allow_alternate_port, configSource, circuitManager)
{}
{
PacketsSent = new List<Packet>();
}
/// <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)
public override void SendAckImmediate(IPEndPoint remoteEndpoint, PacketAckPacket ack)
{
ChunkSenderTuple tuple = new ChunkSenderTuple(epSender);
tuple.BeginReceiveException = true;
m_chunksToLoad.Enqueue(tuple);
PacketsSent.Add(ack);
}
/// <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)
{
// Doesn't work the same way anymore
// 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);
// }
return true;
public override void SendPacket(
LLUDPClient udpClient, Packet packet, ThrottleOutPacketType category, bool allowSplitting, UnackedPacketMethod method)
{
PacketsSent.Add(packet);
}
//// /// <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)
// {
// // Doesn't work the same way anymore
//// while (m_chunksToLoad.Count > 0)
//// OnReceivedData(result);
// }
}
/// <summary>