//Faux destructor
public void Close()
{
m_shuttingdown = true;
m_j2kDecodeModule = null;
m_assetCache = null;
m_client = null;
}
public bool SendFirstPacket(LLClientView client)
{
// this means we don't have
if (Data == null)
{
client.SendImageNotFound(m_requestedUUID);
m_log.WarnFormat("[TEXTURE]: Got null Data element on a asset {0}.. and the missing image Data property is al", m_requestedUUID);
return(true);
}
// Do we have less then 1 packet's worth of data?
else if (m_asset.Data.Length <= cFirstPacketSize)
{
// Send only 1 packet
client.SendImageFirstPart(1, m_requestedUUID, (uint)m_asset.Data.Length, m_asset.Data, 2);
m_stopPacket = 0;
return(true);
}
else
{
byte[] firstImageData = new byte[cFirstPacketSize];
try
{
Buffer.BlockCopy(m_asset.Data, 0, firstImageData, 0, (int)cFirstPacketSize);
client.SendImageFirstPart(TexturePacketCount(), m_requestedUUID, (uint)m_asset.Data.Length, firstImageData, 2);
}
catch (Exception)
{
m_log.Error("Texture block copy failed. Possibly out of memory?");
return(true);
}
}
return(false);
}
/// <summary>
/// Sends packets for this texture to a client until packetsToSend is
/// hit or the transfer completes
/// </summary>
/// <param name="client">Reference to the client that the packets are destined for</param>
/// <param name="packetsToSend">Maximum number of packets to send during this call</param>
/// <param name="packetsSent">Number of packets sent during this call</param>
/// <returns>True if the transfer completes at the current discard level, otherwise false</returns>
public bool SendPackets(LLClientView client, int packetsToSend, out int packetsSent)
{
packetsSent = 0;
if (m_currentPacket <= m_stopPacket)
{
bool sendMore = true;
if (!m_sentInfo || (m_currentPacket == 0))
{
sendMore = !SendFirstPacket(client);
m_sentInfo = true;
++m_currentPacket;
++packetsSent;
}
if (m_currentPacket < 2)
{
m_currentPacket = 2;
}
while (sendMore && packetsSent < packetsToSend && m_currentPacket <= m_stopPacket)
{
sendMore = SendPacket(client);
++m_currentPacket;
++packetsSent;
}
}
return(m_currentPacket > m_stopPacket);
}
/// <summary>
/// Sends packets for this texture to a client until packetsToSend is
/// hit or the transfer completes
/// </summary>
/// <param name = "client">Reference to the client that the packets are destined for</param>
/// <param name = "packetsToSend">Maximum number of packets to send during this call</param>
/// <param name = "packetsSent">Number of packets sent during this call</param>
/// <returns>True if the transfer completes at the current discard level, otherwise false</returns>
public bool SendPackets(LLClientView client, int packetsToSend, out int packetsSent)
{
packetsSent = 0;
if (m_currentPacket <= m_stopPacket)
{
bool sendMore = true;
if (!m_sentInfo || (m_currentPacket == 0))
{
sendMore = !SendFirstPacket(client);
m_sentInfo = true;
++m_currentPacket;
++packetsSent;
}
if (m_currentPacket < 2)
{
m_currentPacket = 2;
}
while (sendMore && packetsSent < packetsToSend && m_currentPacket <= m_stopPacket)
{
sendMore = SendPacket(client);
++m_currentPacket;
++packetsSent;
}
}
return (m_currentPacket > m_stopPacket);
}
private bool SendPacket(LLClientView client)
{
if (client == null || m_asset == null)
{
return(false);
}
bool complete = false;
int imagePacketSize = ((int)m_currentPacket == (TexturePacketCount()))
? LastPacketSize()
: IMAGE_PACKET_SIZE;
try
{
if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_asset.Length)
{
imagePacketSize = LastPacketSize();
complete = true;
if ((CurrentBytePosition() + imagePacketSize) > m_asset.Length)
{
imagePacketSize = m_asset.Length - CurrentBytePosition();
complete = true;
}
}
/// <summary>
/// It is concievable that the client might request packet one
/// from a one packet image, which is really packet 0,
/// which would leave us with a negative imagePacketSize.
/// </summary>
if (imagePacketSize > 0)
{
byte[] imageData = new byte[imagePacketSize];
int currentPosition = CurrentBytePosition();
try
{
Buffer.BlockCopy(m_asset, currentPosition, imageData, 0, imagePacketSize);
}
catch (Exception e)
{
MainConsole.Instance.ErrorFormat(
"[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}, currentposition={2}, imagepacketsize={3}, exception={4}",
TextureID, m_asset.Length, currentPosition, imagePacketSize, e.Message);
return(false);
}
//Send the packet
client.SendImageNextPart((ushort)(m_currentPacket - 1), TextureID, imageData);
}
return(!complete);
}
catch (Exception)
{
return(false);
}
}
private bool SendPacket(LLClientView client)
{
bool complete = false;
int imagePacketSize = ((int)m_packetNumber == (TexturePacketCount())) ? LastPacketSize() : cImagePacketSize;
try
{
if ((CurrentBytePosition() + cImagePacketSize) > m_asset.Data.Length)
{
imagePacketSize = LastPacketSize();
complete = true;
if ((CurrentBytePosition() + imagePacketSize) > m_asset.Data.Length)
{
imagePacketSize = m_asset.Data.Length - CurrentBytePosition();
complete = true;
}
}
// It's concievable that the client might request packet one
// from a one packet image, which is really packet 0,
// which would leave us with a negative imagePacketSize..
if (imagePacketSize > 0)
{
byte[] imageData = new byte[imagePacketSize];
try
{
Buffer.BlockCopy(m_asset.Data, CurrentBytePosition(), imageData, 0, imagePacketSize);
}
catch (Exception e)
{
m_log.Error("Error copying texture block. Out of memory? imagePacketSize was " + imagePacketSize.ToString() + " on packet " + m_packetNumber.ToString() + " out of " + m_stopPacket.ToString() + ". Exception: " + e.ToString());
return(false);
}
//Send the packet
client.SendImageNextPart((ushort)(m_packetNumber - 1), m_requestedUUID, imageData);
}
if (complete)
{
return(false);
}
else
{
return(true);
}
}
catch (Exception)
{
return(false);
}
}
public LLImageManager(LLClientView client, IAssetCache pAssetCache,
IJ2KDecoder pJ2kDecodeModule)
{
m_client = client;
m_assetCache = pAssetCache;
/*if (pAssetCache != null)
* m_missingImage = pAssetCache.GetAsset(UUID.Parse("5748decc-f629-461c-9a36-a35a221fe21f"), AssetRequestInfo.InternalRequest());
*
* if (m_missingImage == null)
* m_log.Error("[ClientView] - Couldn't set missing image asset, falling back to missing image packet. This is known to crash the client");
*/
m_j2kDecodeModule = pJ2kDecodeModule;
}
public LLImageManager(LLClientView client, IAssetService pAssetCache, IJ2KDecoder pJ2kDecodeModule)
{
m_client = client;
m_assetCache = pAssetCache;
if (pAssetCache != null && m_missingImage == null)
m_missingImage = pAssetCache.Get("5748decc-f629-461c-9a36-a35a221fe21f");
if (m_missingImage == null)
MainConsole.Instance.Error(
"[ClientView] - Couldn't set missing image asset, falling back to missing image packet. This is known to crash the client");
m_j2kDecodeModule = pJ2kDecodeModule;
}
//Constructor
public LLImageManager(LLClientView client, IAssetService pAssetCache, IJ2KDecoder pJ2kDecodeModule)
{
m_imagestore = new Dictionary<UUID,J2KImage>();
m_priorities = new SortedList<double,UUID>();
m_priorityresolver = new Dictionary<int, int>();
m_client = client;
m_assetCache = pAssetCache;
if (pAssetCache != null)
m_missingsubstitute = pAssetCache.Get("5748decc-f629-461c-9a36-a35a221fe21f");
else
m_log.Error("[ClientView] - couldn't set missing image, all manner of things will probably break");
m_j2kDecodeModule = pJ2kDecodeModule;
}
protected string HandleImageQueuesClear(string[] cmd)
{
if (cmd.Length != 5)
{
return("Usage: image queues clear <first-name> <last-name>");
}
string firstName = cmd[3];
string lastName = cmd[4];
List <ScenePresence> foundAgents = new List <ScenePresence>();
lock (m_scenes)
{
foreach (Scene scene in m_scenes.Values)
{
ScenePresence sp = scene.GetScenePresence(firstName, lastName);
if (sp != null)
{
foundAgents.Add(sp);
}
}
}
if (foundAgents.Count == 0)
{
return(string.Format("No agents found for {0} {1}", firstName, lastName));
}
StringBuilder report = new StringBuilder();
foreach (ScenePresence agent in foundAgents)
{
LLClientView client = agent.ControllingClient as LLClientView;
if (client == null)
{
return("This command is only supported for LLClientView");
}
int requestsDeleted = client.ImageManager.ClearImageQueue();
report.AppendFormat(
"In region {0} ({1} agent) cleared {2} requests\n",
agent.Scene.RegionInfo.RegionName, agent.IsChildAgent ? "child" : "root", requestsDeleted);
}
return(report.ToString());
}
//Constructor
public LLImageManager(LLClientView client, IAssetCache pAssetCache, IJ2KDecoder pJ2kDecodeModule)
{
m_imagestore = new Dictionary <UUID, J2KImage>();
m_priorities = new SortedList <double, UUID>();
m_priorityresolver = new Dictionary <int, int>();
m_client = client;
m_assetCache = pAssetCache;
if (pAssetCache != null)
{
m_missingsubstitute = pAssetCache.GetAsset(UUID.Parse("5748decc-f629-461c-9a36-a35a221fe21f"), true);
}
else
{
m_log.Error("[ClientView] - couldn't set missing image, all manner of things will probably break");
}
m_j2kDecodeModule = pJ2kDecodeModule;
}
public LLImageManager(LLClientView client, IAssetService pAssetCache, IJ2KDecoder pJ2kDecodeModule)
{
m_client = client;
m_assetCache = pAssetCache;
if (pAssetCache != null && m_missingImage == null)
{
//m_missingImage = pAssetCache.Get("5748decc-f629-461c-9a36-a35a221fe21f"); // this is just a blank texture. Not very useful -greythane-
m_missingImage = pAssetCache.Get(Constants.MISSING_TEXTURE_ID);
}
if (m_missingImage == null)
{
MainConsole.Instance.Error(
"[ClientView] - Couldn't set missing image asset, falling back to missing image packet. This is known to crash the client");
}
m_j2kDecodeModule = pJ2kDecodeModule;
}
protected virtual void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
IClientAPI existingClient;
if (!m_scene.TryGetClient(agentID, out existingClient))
{
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
// Start the IClientAPI
client.Start();
}
else
{
m_log.WarnFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode from {0} at {1} for circuit {2}",
udpClient.AgentID, remoteEndPoint, circuitCode);
}
}
private bool SendFirstPacket(LLClientView client)
{
if (client == null)
{
return(false);
}
if (m_asset == null)
{
MainConsole.Instance.Warn("[J2KIMAGE]: Sending ImageNotInDatabase for texture " + TextureID);
client.SendImageNotFound(TextureID);
return(true);
}
if (m_asset.Length <= FIRST_PACKET_SIZE)
{
// We have less then one packet's worth of data
client.SendImageFirstPart(1, TextureID, (uint)m_asset.Length, m_asset, 2);
m_stopPacket = 0;
return(true);
}
// This is going to be a multi-packet texture download
byte[] firstImageData = new byte[FIRST_PACKET_SIZE];
try
{
Buffer.BlockCopy(m_asset, 0, firstImageData, 0, FIRST_PACKET_SIZE);
}
catch (Exception)
{
MainConsole.Instance.ErrorFormat(
"[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}",
TextureID, m_asset.Length);
return(true);
}
client.SendImageFirstPart(TexturePacketCount(), TextureID, (uint)m_asset.Length, firstImageData,
(byte)ImageCodec.J2C);
return(false);
}
public bool SendPackets(LLClientView client, int maxpack)
{
if (!m_completedSendAtCurrentDiscardLevel)
{
if (m_packetNumber <= m_stopPacket)
{
bool SendMore = true;
if (!m_sentinfo || (m_packetNumber == 0))
{
if (SendFirstPacket(client))
{
SendMore = false;
}
m_sentinfo = true;
m_packetNumber++;
}
// bool ignoreStop = false;
if (m_packetNumber < 2)
{
m_packetNumber = 2;
}
int count = 0;
while (SendMore && count < maxpack && m_packetNumber <= m_stopPacket)
{
count++;
SendMore = SendPacket(client);
m_packetNumber++;
}
if (m_packetNumber > m_stopPacket)
{
return(true);
}
}
}
return(false);
}
protected virtual bool AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AgentCircuitData sessionInfo)
{
IScenePresence SP;
if (!m_scene.TryGetScenePresence(agentID, out SP))
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
client.DisableFacelights = m_disableFacelights;
// Start the IClientAPI
m_scene.AddNewClient(client);
}
else
{
m_log.DebugFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode ({0}) from {1} at {2} ",
circuitCode, agentID, remoteEndPoint);
}
return(true);
}
private bool SendPacket(LLClientView client)
{
if (client == null || m_asset == null)
return false;
bool complete = false;
int imagePacketSize = ((int) m_currentPacket == (TexturePacketCount()))
? LastPacketSize()
: IMAGE_PACKET_SIZE;
try
{
if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_asset.Length)
{
imagePacketSize = LastPacketSize();
complete = true;
if ((CurrentBytePosition() + imagePacketSize) > m_asset.Length)
{
imagePacketSize = m_asset.Length - CurrentBytePosition();
complete = true;
}
}
// It's concievable that the client might request packet one
// from a one packet image, which is really packet 0,
// which would leave us with a negative imagePacketSize..
if (imagePacketSize > 0)
{
byte[] imageData = new byte[imagePacketSize];
int currentPosition = CurrentBytePosition();
try
{
Buffer.BlockCopy(m_asset, currentPosition, imageData, 0, imagePacketSize);
}
catch (Exception e)
{
MainConsole.Instance.ErrorFormat(
"[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}, currentposition={2}, imagepacketsize={3}, exception={4}",
TextureID, m_asset.Length, currentPosition, imagePacketSize, e.Message);
return false;
}
//Send the packet
client.SendImageNextPart((ushort) (m_currentPacket - 1), TextureID, imageData);
}
return !complete;
}
catch (Exception)
{
return false;
}
}
public virtual bool AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint,
AgentCircuitData sessionInfo)
{
MainConsole.Instance.Debug("[LLUDPServer] AddClient-" + circuitCode + "-" + agentID + "-" + sessionID + "-" +
remoteEndPoint +
"-" + sessionInfo);
IScenePresence SP;
if (!m_scene.TryGetScenePresence(agentID, out SP))
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID,
remoteEndPoint, m_defaultRTO, m_maxRTO);
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID,
sessionID, circuitCode);
client.OnLogout += LogoutHandler;
// Start the IClientAPI
m_scene.AddNewClient(client, null);
m_currentClients.Add(client);
}
else
{
MainConsole.Instance.DebugFormat(
"[LLUDPSERVER]: Ignoring a repeated UseCircuitCode ({0}) from {1} at {2} ",
circuitCode, agentID, remoteEndPoint);
}
return true;
}
private bool SendFirstPacket(LLClientView client)
{
if (client == null)
return false;
if (m_asset == null)
{
MainConsole.Instance.Warn("[J2KIMAGE]: Sending ImageNotInDatabase for texture " + TextureID);
client.SendImageNotFound(TextureID);
return true;
}
if (m_asset.Length <= FIRST_PACKET_SIZE)
{
// We have less then one packet's worth of data
client.SendImageFirstPart(1, TextureID, (uint) m_asset.Length, m_asset, 2);
m_stopPacket = 0;
return true;
}
// This is going to be a multi-packet texture download
byte[] firstImageData = new byte[FIRST_PACKET_SIZE];
try
{
Buffer.BlockCopy(m_asset, 0, firstImageData, 0, FIRST_PACKET_SIZE);
}
catch (Exception)
{
MainConsole.Instance.ErrorFormat(
"[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}",
TextureID, m_asset.Length);
return true;
}
client.SendImageFirstPart(TexturePacketCount(), TextureID, (uint) m_asset.Length, firstImageData,
(byte) ImageCodec.J2C);
return false;
}
protected void HandleClientKpi(string module, string[] cmd)
{
s_log.Debug("[CLIENTKPI] Showing Client KPI:");
// Getting Priority Queues Report
int columnPadding = 2;
int maxNameLength = 18;
int maxRegionNameLength = 14;
int maxTypeLength = 4;
int totalInfoFieldsLength
= maxNameLength + columnPadding
+ maxRegionNameLength + columnPadding
+ maxTypeLength + columnPadding;
StringBuilder reportline = new StringBuilder();
bool firstClient = true;
lock (m_scenes) {
foreach (Scene scene in m_scenes.Values)
{
scene.ForEachClient(
delegate(IClientAPI client) {
if (client is LLClientView)
{
bool isChild = client.SceneAgent.IsChildAgent;
string name = client.Name;
string regionName = scene.RegionInfo.RegionName;
reportline.Append("[PQUEUE] ");
reportline.AppendFormat("AgentName:{0},RegionName:{1},isChild:{2},", name, regionName, isChild ? "Cd" : "Rt");
reportline.Append(((LLClientView)client).EntityUpdateQueue.ToString());
s_log.Debug(reportline);
reportline.Length = 0;
reportline.Append("[QUEUE] ");
reportline.AppendFormat("AgentName:{0},RegionName:{1},isChild:{2},", name, regionName, isChild ? "Cd" : "Rt");
if (client is IStatsCollector)
{
IStatsCollector stats = (IStatsCollector)client;
reportline.Append(stats.Report());
}
s_log.Debug(reportline);
reportline.Length = 0;
LLClientView llClient = client as LLClientView;
if (firstClient)
{
reportline.Append("[THROTTLE] SERVER_AGENT_RATES:");
ThrottleRates throttleRates = llClient.UDPServer.ThrottleRates;
reportline.AppendFormat(
"{0},{1},{2},{3},{4},{5},{6},{7}",
(throttleRates.Total * 8) / 1000,
(throttleRates.Resend * 8) / 1000,
(throttleRates.Land * 8) / 1000,
(throttleRates.Wind * 8) / 1000,
(throttleRates.Cloud * 8) / 1000,
(throttleRates.Task * 8) / 1000,
(throttleRates.Texture * 8) / 1000,
(throttleRates.Asset * 8) / 1000);
s_log.Debug(reportline);
reportline.Length = 0;
firstClient = false;
}
LLUDPClient llUdpClient = llClient.UDPClient;
ClientInfo ci = llUdpClient.GetClientInfo();
reportline.Append("[THROTTLE] ");
reportline.AppendFormat("AgentName:{0},RegionName:{1},isChild:{2},", name, regionName, isChild ? "Cd" : "Rt");
reportline.AppendFormat(
"{0},{1},{2},{3},{4},{5},{6},{7}",
(ci.totalThrottle * 8) / 1000,
(ci.resendThrottle * 8) / 1000,
(ci.landThrottle * 8) / 1000,
(ci.windThrottle * 8) / 1000,
(ci.cloudThrottle * 8) / 1000,
(ci.taskThrottle * 8) / 1000,
(ci.textureThrottle * 8) / 1000,
(ci.assetThrottle * 8) / 1000);
s_log.Debug(reportline);
reportline.Length = 0;
}
});
}
}
}
protected virtual void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
{
// In priciple there shouldn't be more than one thread here, ever.
// But in case that happens, we need to synchronize this piece of code
// because it's too important
lock (this)
{
IClientAPI existingClient;
if (!m_scene.TryGetClient(agentID, out existingClient))
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
client.DisableFacelights = m_disableFacelights;
// Start the IClientAPI
client.Start();
}
else
{
m_log.WarnFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode from {0} at {1} for circuit {2}",
existingClient.AgentId, remoteEndPoint, circuitCode);
}
}
}
protected virtual bool AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AgentCircuitData sessionInfo)
{
IScenePresence SP;
if (!m_scene.TryGetScenePresence(agentID, out SP))
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
client.DisableFacelights = m_disableFacelights;
// Start the IClientAPI
m_scene.AddNewClient(client);
m_currentClients.Add (client);
}
else
{
m_log.DebugFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode ({0}) from {1} at {2} ",
circuitCode, agentID, remoteEndPoint);
}
return true;
}
/// <summary>
/// Deactivates the client if we don't receive any packets within a certain amount of time (default 60 seconds).
/// </summary>
/// <remarks>
/// If a connection is active then we will always receive packets even if nothing else is happening, due to
/// regular client pings.
/// </remarks>
/// <param name='client'></param>
/// <param name='timeoutTicks'></param>
private void DeactivateClientDueToTimeout(LLClientView client, int timeoutTicks)
{
lock (client.CloseSyncLock)
{
ClientLogoutsDueToNoReceives++;
m_log.WarnFormat(
"[LLUDPSERVER]: Ack timeout, disconnecting {0} agent for {1} in {2} for {3}ms",
client.SceneAgent.IsChildAgent ? "child" : "root", client.Name, m_scene.Name, timeoutTicks);
if (!client.SceneAgent.IsChildAgent)
client.Kick("Simulator logged you out due to connection timeout.");
}
m_scene.CloseAgent(client.AgentId, true);
}
private void HandleDropCommand(string module, string[] args)
{
if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_udpServer.Scene)
{
return;
}
if (args.Length != 6)
{
MainConsole.Instance.Output("Usage: debug lludp drop <in|out> <add|remove> <packet-name>");
return;
}
string direction = args[3];
string subCommand = args[4];
string packetName = args[5];
if (subCommand == "add")
{
MainConsole.Instance.Output(
"Adding packet {0} to {1} drop list for all connections in {2}",
direction, packetName, m_udpServer.Scene.Name);
m_udpServer.Scene.ForEachScenePresence(
sp =>
{
LLClientView llcv = (LLClientView)sp.ControllingClient;
if (direction == "in")
{
llcv.AddInPacketToDropSet(packetName);
}
else if (direction == "out")
{
llcv.AddOutPacketToDropSet(packetName);
}
}
);
}
else if (subCommand == "remove")
{
MainConsole.Instance.Output(
"Removing packet {0} from {1} drop list for all connections in {2}",
direction, packetName, m_udpServer.Scene.Name);
m_udpServer.Scene.ForEachScenePresence(
sp =>
{
LLClientView llcv = (LLClientView)sp.ControllingClient;
if (direction == "in")
{
llcv.RemoveInPacketFromDropSet(packetName);
}
else if (direction == "out")
{
llcv.RemoveOutPacketFromDropSet(packetName);
}
}
);
}
}
/// <summary>
/// Deactivates the client if we don't receive any packets within a certain amount of time (default 60 seconds).
/// </summary>
/// <remarks>
/// If a connection is active then we will always receive packets even if nothing else is happening, due to
/// regular client pings.
/// </remarks>
/// <param name='client'></param>
private void DeactivateClientDueToTimeout(LLClientView client)
{
lock (client.CloseSyncLock)
{
m_log.WarnFormat(
"[LLUDPSERVER]: Ack timeout, disconnecting {0} agent for {1} in {2}",
client.SceneAgent.IsChildAgent ? "child" : "root", client.Name, m_scene.RegionInfo.RegionName);
StatsManager.SimExtraStats.AddAbnormalClientThreadTermination();
if (!client.SceneAgent.IsChildAgent)
client.Kick("Simulator logged you out due to connection timeout");
client.CloseWithoutChecks();
}
}
private bool SendPacket(LLClientView client)
{
bool complete = false;
int imagePacketSize = ((int)m_packetNumber == (TexturePacketCount())) ? LastPacketSize() : cImagePacketSize;
try
{
if ((CurrentBytePosition() + cImagePacketSize) > m_asset.Data.Length)
{
imagePacketSize = LastPacketSize();
complete=true;
if ((CurrentBytePosition() + imagePacketSize) > m_asset.Data.Length)
{
imagePacketSize = m_asset.Data.Length - CurrentBytePosition();
complete = true;
}
}
// It's concievable that the client might request packet one
// from a one packet image, which is really packet 0,
// which would leave us with a negative imagePacketSize..
if (imagePacketSize > 0)
{
byte[] imageData = new byte[imagePacketSize];
try
{
Buffer.BlockCopy(m_asset.Data, CurrentBytePosition(), imageData, 0, imagePacketSize);
}
catch (Exception e)
{
m_log.Error("Error copying texture block. Out of memory? imagePacketSize was " + imagePacketSize.ToString() + " on packet " + m_packetNumber.ToString() + " out of " + m_stopPacket.ToString() + ". Exception: " + e.ToString());
return false;
}
//Send the packet
client.SendImageNextPart((ushort)(m_packetNumber-1), m_requestedUUID, imageData);
}
if (complete)
{
return false;
}
else
{
return true;
}
}
catch (Exception)
{
return false;
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="client">Reference to the client this packet came from</param>
/// <param name="packet">Packet data</param>
public IncomingPacket(LLClientView client, Packet packet)
{
Client = client;
Packet = packet;
}
/// <summary>
/// Add a client.
/// </summary>
/// <param name="circuitCode"></param>
/// <param name="agentID"></param>
/// <param name="sessionID"></param>
/// <param name="remoteEndPoint"></param>
/// <param name="sessionInfo"></param>
/// <returns>The client if it was added. Null if the client already existed.</returns>
protected virtual IClientAPI AddClient(
uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
{
IClientAPI client = null;
// We currently synchronize this code across the whole scene to avoid issues such as
// http://opensimulator.org/mantis/view.php?id=5365 However, once locking per agent circuit can be done
// consistently, this lock could probably be removed.
lock (this)
{
if (!m_scene.TryGetClient(agentID, out client))
{
LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
client = new LLClientView(m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
client.DebugPacketLevel = DefaultClientPacketDebugLevel;
((LLClientView)client).DisableFacelights = m_disableFacelights;
client.Start();
}
}
return client;
}
/// <summary>
/// Show client stats data
/// </summary>
/// <param name="showParams"></param>
/// <returns></returns>
protected string HandleClientStatsReport(string[] showParams)
{
// NOTE: This writes to m_log on purpose. We want to store this information
// in case we need to analyze it later.
//
if (showParams.Length <= 4)
{
m_log.InfoFormat("[INFO]: {0,-12} {1,-20} {2,-6} {3,-11} {4,-11} {5,-16}", "Region", "Name", "Root", "Time", "Reqs/min", "AgentUpdates");
foreach (Scene scene in m_scenes.Values)
{
scene.ForEachClient(
delegate(IClientAPI client)
{
if (client is LLClientView)
{
LLClientView llClient = client as LLClientView;
ClientInfo cinfo = llClient.UDPClient.GetClientInfo();
int avg_reqs = cinfo.AsyncRequests.Values.Sum() + cinfo.GenericRequests.Values.Sum() + cinfo.SyncRequests.Values.Sum();
avg_reqs = avg_reqs / ((DateTime.Now - cinfo.StartedTime).Minutes + 1);
string childAgentStatus;
if (llClient.SceneAgent != null)
{
childAgentStatus = llClient.SceneAgent.IsChildAgent ? "N" : "Y";
}
else
{
childAgentStatus = "Off!";
}
m_log.InfoFormat("[INFO]: {0,-12} {1,-20} {2,-6} {3,-11} {4,-11} {5,-16}",
scene.RegionInfo.RegionName, llClient.Name,
childAgentStatus,
(DateTime.Now - cinfo.StartedTime).Minutes,
avg_reqs,
string.Format(
"{0} ({1:0.00}%)",
llClient.TotalAgentUpdates,
cinfo.SyncRequests.ContainsKey("AgentUpdate")
? (float)cinfo.SyncRequests["AgentUpdate"] / llClient.TotalAgentUpdates * 100
: 0));
}
});
}
return(string.Empty);
}
string fname = "", lname = "";
if (showParams.Length > 3)
{
fname = showParams[3];
}
if (showParams.Length > 4)
{
lname = showParams[4];
}
foreach (Scene scene in m_scenes.Values)
{
scene.ForEachClient(
delegate(IClientAPI client)
{
if (client is LLClientView)
{
LLClientView llClient = client as LLClientView;
if (llClient.Name == fname + " " + lname)
{
ClientInfo cinfo = llClient.GetClientInfo();
AgentCircuitData aCircuit = scene.AuthenticateHandler.GetAgentCircuitData(llClient.CircuitCode);
if (aCircuit == null) // create a dummy one
{
aCircuit = new AgentCircuitData();
}
if (!llClient.SceneAgent.IsChildAgent)
{
m_log.InfoFormat("[INFO]: {0} # {1} # {2}", llClient.Name, Util.GetViewerName(aCircuit), aCircuit.Id0);
}
int avg_reqs = cinfo.AsyncRequests.Values.Sum() + cinfo.GenericRequests.Values.Sum() + cinfo.SyncRequests.Values.Sum();
avg_reqs = avg_reqs / ((DateTime.Now - cinfo.StartedTime).Minutes + 1);
m_log.InfoFormat("[INFO]:");
m_log.InfoFormat("[INFO]: {0} # {1} # Time: {2}min # Avg Reqs/min: {3}", scene.RegionInfo.RegionName,
(llClient.SceneAgent.IsChildAgent ? "Child" : "Root"), (DateTime.Now - cinfo.StartedTime).Minutes, avg_reqs);
Dictionary <string, int> sortedDict = (from entry in cinfo.AsyncRequests orderby entry.Value descending select entry)
.ToDictionary(pair => pair.Key, pair => pair.Value);
PrintRequests("TOP ASYNC", sortedDict, cinfo.AsyncRequests.Values.Sum());
sortedDict = (from entry in cinfo.SyncRequests orderby entry.Value descending select entry)
.ToDictionary(pair => pair.Key, pair => pair.Value);
PrintRequests("TOP SYNC", sortedDict, cinfo.SyncRequests.Values.Sum());
sortedDict = (from entry in cinfo.GenericRequests orderby entry.Value descending select entry)
.ToDictionary(pair => pair.Key, pair => pair.Value);
PrintRequests("TOP GENERIC", sortedDict, cinfo.GenericRequests.Values.Sum());
}
}
});
}
return(string.Empty);
}
/// <summary>
/// Generate an image queue report
/// </summary>
/// <param name="showParams"></param>
/// <returns></returns>
private string GetImageQueuesReport(string[] showParams)
{
if (showParams.Length < 5 || showParams.Length > 6)
{
return("Usage: show image queues <first-name> <last-name> [full]");
}
string firstName = showParams[3];
string lastName = showParams[4];
bool showChildAgents = showParams.Length == 6;
List <ScenePresence> foundAgents = new List <ScenePresence>();
lock (m_scenes)
{
foreach (Scene scene in m_scenes.Values)
{
ScenePresence sp = scene.GetScenePresence(firstName, lastName);
if (sp != null && (showChildAgents || !sp.IsChildAgent))
{
foundAgents.Add(sp);
}
}
}
if (foundAgents.Count == 0)
{
return(string.Format("No agents found for {0} {1}", firstName, lastName));
}
StringBuilder report = new StringBuilder();
foreach (ScenePresence agent in foundAgents)
{
LLClientView client = agent.ControllingClient as LLClientView;
if (client == null)
{
return("This command is only supported for LLClientView");
}
J2KImage[] images = client.ImageManager.GetImages();
report.AppendFormat(
"In region {0} ({1} agent)\n",
agent.Scene.RegionInfo.RegionName, agent.IsChildAgent ? "child" : "root");
report.AppendFormat("Images in queue: {0}\n", images.Length);
if (images.Length > 0)
{
report.AppendFormat(
"{0,-36} {1,-8} {2,-10} {3,-9} {4,-9} {5,-7}\n",
"Texture ID",
"Last Seq",
"Priority",
"Start Pkt",
"Has Asset",
"Decoded");
foreach (J2KImage image in images)
{
report.AppendFormat(
"{0,36} {1,8} {2,10} {3,10} {4,9} {5,7}\n",
image.TextureID, image.LastSequence, image.Priority, image.StartPacket, image.HasAsset, image.IsDecoded);
}
}
}
return(report.ToString());
}
public bool SendPackets(LLClientView client, int maxpack)
{
if (!m_completedSendAtCurrentDiscardLevel)
{
if (m_packetNumber <= m_stopPacket)
{
bool SendMore = true;
if (!m_sentinfo || (m_packetNumber == 0))
{
if (SendFirstPacket(client))
{
SendMore = false;
}
m_sentinfo = true;
m_packetNumber++;
}
// bool ignoreStop = false;
if (m_packetNumber < 2)
{
m_packetNumber = 2;
}
int count = 0;
while (SendMore && count < maxpack && m_packetNumber <= m_stopPacket)
{
count++;
SendMore = SendPacket(client);
m_packetNumber++;
}
if (m_packetNumber > m_stopPacket)
{
return true;
}
}
}
return false;
}
protected virtual bool AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
IClientAPI existingClient;
//Check to make sure we arn't handling two or more circuit codes from the client if we are lagging badly.
// The block below this (TryGetClient) works as well, but if it gets locked up before the client is added to the scene, it will break
// So we do this check here as well.
lock (m_handlingCircuitCodes)
{
if (m_handlingCircuitCodes.Contains(agentID))
return false;
m_handlingCircuitCodes.Add(agentID);
}
if (!m_scene.TryGetClient(agentID, out existingClient))
{
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
client.DisableFacelights = m_disableFacelights;
// Start the IClientAPI
client.Start();
//Remove it from the check
m_handlingCircuitCodes.Remove(agentID);
return true;
}
else
{
m_log.WarnFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode from {0} at {1} for circuit {2}",
udpClient.AgentID, remoteEndPoint, circuitCode);
}
//Remove it from the check
m_handlingCircuitCodes.Remove(agentID);
return false;
}
protected virtual void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
{
// Create the LLUDPClient
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
IClientAPI existingClient;
if (!m_scene.TryGetClient(agentID, out existingClient))
{
// Create the LLClientView
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
client.DisableFacelights = m_disableFacelights;
// Start the IClientAPI
client.Start();
}
else
{
m_log.WarnFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode from {0} at {1} for circuit {2}",
udpClient.AgentID, remoteEndPoint, circuitCode);
}
}
/// <summary>
/// Show throttle data
/// </summary>
/// <param name="showParams"></param>
/// <returns></returns>
protected string GetThrottlesReport(string[] showParams)
{
bool showChildren = false;
if (showParams.Length > 2 && showParams[2] == "full")
{
showChildren = true;
}
StringBuilder report = new StringBuilder();
int columnPadding = 2;
int maxNameLength = 18;
int maxRegionNameLength = 14;
int maxTypeLength = 4;
int totalInfoFieldsLength = maxNameLength + columnPadding + maxRegionNameLength + columnPadding + maxTypeLength + columnPadding;
report.Append(GetColumnEntry("User", maxNameLength, columnPadding));
report.Append(GetColumnEntry("Region", maxRegionNameLength, columnPadding));
report.Append(GetColumnEntry("Type", maxTypeLength, columnPadding));
report.AppendFormat(
"{0,7} {1,8} {2,7} {3,7} {4,7} {5,7} {6,9} {7,7}\n",
"Total",
"Resend",
"Land",
"Wind",
"Cloud",
"Task",
"Texture",
"Asset");
report.AppendFormat("{0,-" + totalInfoFieldsLength + "}", "");
report.AppendFormat(
"{0,7} {1,8} {2,7} {3,7} {4,7} {5,7} {6,9} {7,7}",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s");
report.AppendLine();
bool firstClient = true;
lock (m_scenes)
{
foreach (Scene scene in m_scenes.Values)
{
scene.ForEachClient(
delegate(IClientAPI client)
{
if (client is LLClientView)
{
LLClientView llClient = client as LLClientView;
if (firstClient)
{
report.AppendLine(GetServerThrottlesReport(llClient.UDPServer));
firstClient = false;
}
bool isChild = scene.PresenceChildStatus(client.AgentId);
if (isChild && !showChildren)
{
return;
}
string name = client.Name;
string regionName = scene.RegionInfo.RegionName;
LLUDPClient llUdpClient = llClient.UDPClient;
ClientInfo ci = llUdpClient.GetClientInfo();
report.Append(GetColumnEntry(name, maxNameLength, columnPadding));
report.Append(GetColumnEntry(regionName, maxRegionNameLength, columnPadding));
report.Append(GetColumnEntry(isChild ? "Cd" : "Rt", maxTypeLength, columnPadding));
report.AppendFormat(
"{0,7} {1,8} {2,7} {3,7} {4,7} {5,7} {6,9} {7,7}",
(ci.totalThrottle * 8) / 1000,
(ci.resendThrottle * 8) / 1000,
(ci.landThrottle * 8) / 1000,
(ci.windThrottle * 8) / 1000,
(ci.cloudThrottle * 8) / 1000,
(ci.taskThrottle * 8) / 1000,
(ci.textureThrottle * 8) / 1000,
(ci.assetThrottle * 8) / 1000);
report.AppendLine();
}
});
}
}
return(report.ToString());
}
private bool AddNewClient(UseCircuitCodePacket useCircuitCode, IPEndPoint remoteEndPoint)
{
UUID agentID = useCircuitCode.CircuitCode.ID;
UUID sessionID = useCircuitCode.CircuitCode.SessionID;
uint circuitCode = useCircuitCode.CircuitCode.Code;
try
{
m_log.InfoFormat(
"[LLUDPSERVER]: UCC Received for client {0} circuit code {1}",
useCircuitCode.CircuitCode.ID, useCircuitCode.CircuitCode.Code);
LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, agentID, sessionID, circuitCode);
m_scene.ConnectionManager.TryAttachUdpCircuit(client);
client.Start();
return true;
}
catch (OpenSim.Region.Framework.Connection.AttachUdpCircuitException e)
{
if (e.CircuitAlreadyExisted)
{
m_log.WarnFormat("[LLUDPSERVER]: Ignoring duplicate UDP connection request. {0}", e.Message);
//if the circuit matches, we can ACK the UCC since the client should be
//able to communicate with the current circuit
if (e.ExistingCircuitMatched)
{
return true;
}
else
{
return false;
}
}
else
{
m_log.ErrorFormat("[LLUDPSERVER]: Unable to start new connection: {0}", e);
return false;
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="client">Reference to the client this packet came from</param>
/// <param name="packet">Packet data</param>
public IncomingPacket(LLClientView client, Packet packet)
{
Client = client;
Packet = packet;
}
/// <summary>
/// Show throttle data
/// </summary>
/// <param name="showParams"></param>
/// <returns></returns>
protected string GetThrottlesReport(string[] showParams)
{
bool showChildren = false;
string pname = "";
if (showParams.Length > 2 && showParams[2] == "full")
{
showChildren = true;
}
else if (showParams.Length > 3)
{
pname = showParams[2] + " " + showParams[3];
}
StringBuilder report = new StringBuilder();
int columnPadding = 2;
int maxNameLength = 18;
int maxRegionNameLength = 14;
int maxTypeLength = 4;
int totalInfoFieldsLength = maxNameLength + columnPadding + maxRegionNameLength + columnPadding + maxTypeLength + columnPadding;
report.Append(GetColumnEntry("User", maxNameLength, columnPadding));
report.Append(GetColumnEntry("Region", maxRegionNameLength, columnPadding));
report.Append(GetColumnEntry("Type", maxTypeLength, columnPadding));
report.AppendFormat(
"{0,8} {1,8} {2,7} {3,8} {4,7} {5,7} {6,7} {7,7} {8,9} {9,7}\n",
"Max",
"Target",
"Actual",
"Resend",
"Land",
"Wind",
"Cloud",
"Task",
"Texture",
"Asset");
report.AppendFormat("{0,-" + totalInfoFieldsLength + "}", "");
report.AppendFormat(
"{0,8} {1,8} {2,7} {3,8} {4,7} {5,7} {6,7} {7,7} {8,9} {9,7}\n",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s");
report.AppendLine();
lock (m_scenes)
{
foreach (Scene scene in m_scenes.Values)
{
scene.ForEachClient(
delegate(IClientAPI client)
{
if (client is LLClientView)
{
LLClientView llClient = client as LLClientView;
bool isChild = client.SceneAgent.IsChildAgent;
if (isChild && !showChildren)
{
return;
}
string name = client.Name;
if (pname != "" && name != pname)
{
return;
}
string regionName = scene.RegionInfo.RegionName;
LLUDPClient llUdpClient = llClient.UDPClient;
ClientInfo ci = llUdpClient.GetClientInfo();
report.Append(GetColumnEntry(name, maxNameLength, columnPadding));
report.Append(GetColumnEntry(regionName, maxRegionNameLength, columnPadding));
report.Append(GetColumnEntry(isChild ? "Cd" : "Rt", maxTypeLength, columnPadding));
report.AppendFormat(
"{0,8} {1,8} {2,7} {3,8} {4,7} {5,7} {6,7} {7,7} {8,9} {9,7}\n",
ci.maxThrottle > 0 ? ((ci.maxThrottle * 8) / 1000).ToString() : "-",
llUdpClient.FlowThrottle.AdaptiveEnabled
? ((ci.targetThrottle * 8) / 1000).ToString()
: (llUdpClient.FlowThrottle.TotalDripRequest * 8 / 1000).ToString(),
(ci.totalThrottle * 8) / 1000,
(ci.resendThrottle * 8) / 1000,
(ci.landThrottle * 8) / 1000,
(ci.windThrottle * 8) / 1000,
(ci.cloudThrottle * 8) / 1000,
(ci.taskThrottle * 8) / 1000,
(ci.textureThrottle * 8) / 1000,
(ci.assetThrottle * 8) / 1000);
}
});
}
}
return(report.ToString());
}
//Faux destructor
public void Close()
{
m_shuttingdown = true;
m_j2kDecodeModule = null;
m_assetCache = null;
m_client = null;
}
public void HandleUnacked(LLClientView client)
{
LLUDPClient udpClient = client.UDPClient;
if (!udpClient.IsConnected)
return;
// Disconnect an agent if no packets are received for some time
int timeoutTicks = m_ackTimeout;
// Allow more slack if the client is "paused" eg file upload dialogue is open
// Some sort of limit is needed in case the client crashes, loses its network connection
// or some other disaster prevents it from sendung the AgentResume
if (udpClient.IsPaused)
timeoutTicks = m_pausedAckTimeout;
if (client.IsActive &&
(Environment.TickCount & Int32.MaxValue) - udpClient.TickLastPacketReceived > timeoutTicks)
{
// We must set IsActive synchronously so that we can stop the packet loop reinvoking this method, even
// though it's set later on by LLClientView.Close()
client.IsActive = false;
// Fire this out on a different thread so that we don't hold up outgoing packet processing for
// everybody else if this is being called due to an ack timeout.
// This is the same as processing as the async process of a logout request.
Util.FireAndForget(o => DeactivateClientDueToTimeout(client, timeoutTicks));
return;
}
// Get a list of all of the packets that have been sitting unacked longer than udpClient.RTO
List<OutgoingPacket> expiredPackets = udpClient.NeedAcks.GetExpiredPackets(udpClient.RTO);
if (expiredPackets != null)
{
//m_log.Debug("[LLUDPSERVER]: Handling " + expiredPackets.Count + " packets to " + udpClient.AgentID + ", RTO=" + udpClient.RTO);
// Exponential backoff of the retransmission timeout
udpClient.BackoffRTO();
for (int i = 0; i < expiredPackets.Count; ++i)
expiredPackets[i].UnackedMethod(expiredPackets[i]);
}
}
/// <summary>
/// Add a client.
/// </summary>
/// <param name="circuitCode"></param>
/// <param name="agentID"></param>
/// <param name="sessionID"></param>
/// <param name="remoteEndPoint"></param>
/// <param name="sessionInfo"></param>
/// <returns>The client if it was added. Null if the client already existed.</returns>
protected virtual IClientAPI AddClient(
uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
{
IClientAPI client = null;
// In priciple there shouldn't be more than one thread here, ever.
// But in case that happens, we need to synchronize this piece of code
// because it's too important
lock (this)
{
if (!m_scene.TryGetClient(agentID, out client))
{
LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
((LLClientView)client).DisableFacelights = m_disableFacelights;
client.Start();
}
}
return client;
}
/// <summary>
/// Deactivates the client if we don't receive any packets within a certain amount of time (default 60 seconds).
/// </summary>
/// <remarks>
/// If a connection is active then we will always receive packets even if nothing else is happening, due to
/// regular client pings.
/// </remarks>
/// <param name='client'></param>
/// <param name='timeoutTicks'></param>
private void DeactivateClientDueToTimeout(LLClientView client, int timeoutTicks)
{
lock (client.CloseSyncLock)
{
ClientLogoutsDueToNoReceives++;
m_log.WarnFormat(
"[LLUDPSERVER]: No packets received from {0} agent of {1} for {2}ms in {3}. Disconnecting.",
client.SceneAgent.IsChildAgent ? "child" : "root", client.Name, timeoutTicks, m_scene.Name);
if (!client.SceneAgent.IsChildAgent)
client.Kick("Simulator logged you out due to connection timeout.");
}
m_scene.IncomingCloseAgent(client.AgentId, true);
}
public bool SendFirstPacket(LLClientView client)
{
// this means we don't have
if (Data == null)
{
client.SendImageNotFound(m_requestedUUID);
m_log.WarnFormat("[TEXTURE]: Got null Data element on a asset {0}.. and the missing image Data property is al", m_requestedUUID);
return true;
}
// Do we have less then 1 packet's worth of data?
else if (m_asset.Data.Length <= cFirstPacketSize)
{
// Send only 1 packet
client.SendImageFirstPart(1, m_requestedUUID, (uint)m_asset.Data.Length, m_asset.Data, 2);
m_stopPacket = 0;
return true;
}
else
{
byte[] firstImageData = new byte[cFirstPacketSize];
try
{
Buffer.BlockCopy(m_asset.Data, 0, firstImageData, 0, (int)cFirstPacketSize);
client.SendImageFirstPart(TexturePacketCount(), m_requestedUUID, (uint)m_asset.Data.Length, firstImageData, 2);
}
catch (Exception)
{
m_log.Error("Texture block copy failed. Possibly out of memory?");
return true;
}
}
return false;
}
