public void Start(IScene scene)
{
IPAddress bindAddress = IPAddress.Any;
int port = DEFAULT_UDP_PORT;
bool allowAlternatePort = true;
IConfig config = scene.Config.Configs["LindenRegion"];
if (config != null)
{
port = config.GetInt("Port", DEFAULT_UDP_PORT);
allowAlternatePort = config.GetBoolean("AllowAlternatePort", true);
}
config = scene.Config.Configs["LLUDP"];
if (config != null)
{
IPAddress.TryParse(config.GetString("BindAddress", "0.0.0.0"), out bindAddress);
IPAddress.TryParse(config.GetString("MasqueradeAddress", String.Empty), out m_masqAddress);
}
if (bindAddress.Equals(IPAddress.Any))
bindAddress = Util.GetLocalInterface();
IScheduler scheduler = scene.Simian.GetAppModule<IScheduler>();
if (scheduler == null)
{
m_log.Error("Cannot start LLUDP server without an IScheduler");
throw new InvalidOperationException();
}
if (allowAlternatePort && m_nextUnusedPort != 0)
port = m_nextUnusedPort;
m_udpServer = new LLUDPServer(this, scene, bindAddress, port, scene.Config, scheduler);
// Loop until we successfully bind to a port or run out of options
while (true)
{
//m_log.Debug("Trying to bind LLUDP server to " + bindAddress + ":" + port);
try
{
m_udpServer.Address = bindAddress;
m_udpServer.Port = port;
m_udpServer.Start();
m_log.Info("Bound LLUDP server to " + bindAddress + ":" + port);
m_nextUnusedPort = port + 1;
IPAddress address = m_masqAddress == null ? bindAddress : m_masqAddress;
scene.ExtraData["ExternalAddress"] = OSD.FromString(address.ToString());
scene.ExtraData["ExternalPort"] = OSD.FromInteger(port);
break;
}
catch (System.Net.Sockets.SocketException)
{
if (allowAlternatePort)
{
++port;
}
else
{
m_log.Error("Failed to bind LLUDP server to port " + port);
break;
}
}
catch (Exception ex)
{
m_log.Error("Failed to bind LLUDP server to any port: " + ex.Message);
break;
}
}
scene.AddCommandHandler("packetlog", PacketLogCommandHandler);
}
public void Start(IScene scene)
{
IPAddress bindAddress = IPAddress.Any;
int port = DEFAULT_UDP_PORT;
bool allowAlternatePort = true;
IConfig config = scene.Config.Configs["LindenRegion"];
if (config != null)
{
port = config.GetInt("Port", DEFAULT_UDP_PORT);
allowAlternatePort = config.GetBoolean("AllowAlternatePort", true);
}
config = scene.Config.Configs["LLUDP"];
if (config != null)
{
IPAddress.TryParse(config.GetString("BindAddress", "0.0.0.0"), out bindAddress);
IPAddress.TryParse(config.GetString("MasqueradeAddress", String.Empty), out m_masqAddress);
}
if (bindAddress.Equals(IPAddress.Any))
{
bindAddress = Util.GetLocalInterface();
}
IScheduler scheduler = scene.Simian.GetAppModule <IScheduler>();
if (scheduler == null)
{
m_log.Error("Cannot start LLUDP server without an IScheduler");
throw new InvalidOperationException();
}
if (allowAlternatePort && m_nextUnusedPort != 0)
{
port = m_nextUnusedPort;
}
m_udpServer = new LLUDPServer(this, scene, bindAddress, port, scene.Config, scheduler);
// Loop until we successfully bind to a port or run out of options
while (true)
{
//m_log.Debug("Trying to bind LLUDP server to " + bindAddress + ":" + port);
try
{
m_udpServer.Address = bindAddress;
m_udpServer.Port = port;
m_udpServer.Start();
m_log.Info("Bound LLUDP server to " + bindAddress + ":" + port);
m_nextUnusedPort = port + 1;
IPAddress address = m_masqAddress == null ? bindAddress : m_masqAddress;
scene.ExtraData["ExternalAddress"] = OSD.FromString(address.ToString());
scene.ExtraData["ExternalPort"] = OSD.FromInteger(port);
break;
}
catch (System.Net.Sockets.SocketException)
{
if (allowAlternatePort)
{
++port;
}
else
{
m_log.Error("Failed to bind LLUDP server to port " + port);
break;
}
}
catch (Exception ex)
{
m_log.Error("Failed to bind LLUDP server to any port: " + ex.Message);
break;
}
}
scene.AddCommandHandler("packetlog", PacketLogCommandHandler);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="server">Reference to the UDP server this client is connected to</param>
/// <param name="rates">Default throttling rates and maximum throttle limits</param>
/// <param name="parentThrottle">Parent HTB (hierarchical token bucket)
/// that the child throttles will be governed by</param>
/// <param name="circuitCode">Circuit code for this connection</param>
/// <param name="agentID">AgentID for the connected agent</param>
/// <param name="sessionID">SessionID for the connected agent</param>
/// <param name="secureSessionID">SecureSessionID for the connected agent</param>
/// <param name="defaultRTO">Default retransmission timeout, in milliseconds</param>
/// <param name="maxRTO">Maximum retransmission timeout, in milliseconds</param>
/// <param name="remoteEndPoint">Remote endpoint for this connection</param>
/// <param name="isChildAgent">True if this agent is currently simulated by
/// another simulator, otherwise false</param>
public LLAgent(LLUDPServer server, ThrottleRates rates, TokenBucket parentThrottle,
uint circuitCode, UUID agentID, UUID sessionID, UUID secureSessionID, IPEndPoint remoteEndPoint,
int defaultRTO, int maxRTO, bool isChildAgent)
{
m_id = agentID;
m_udpServer = server;
m_scene = m_udpServer.Scene;
PacketArchive = new IncomingPacketHistoryCollection(200);
NeedAcks = new UnackedPacketCollection();
PendingAcks = new LocklessQueue<uint>();
EventQueue = new LLEventQueue();
m_nextOnQueueEmpty = 1;
m_defaultRTO = 1000 * 3;
m_maxRTO = 1000 * 60;
m_packetOutboxes = new LocklessQueue<OutgoingPacket>[THROTTLE_CATEGORY_COUNT];
m_nextPackets = new OutgoingPacket[THROTTLE_CATEGORY_COUNT];
m_interestList = new InterestList(this, 200);
IsChildPresence = isChildAgent;
m_localID = m_scene.CreateLocalID();
TextureEntry = new Primitive.TextureEntry(DEFAULT_AVATAR_TEXTURE);
SessionID = sessionID;
SecureSessionID = secureSessionID;
RemoteEndPoint = remoteEndPoint;
CircuitCode = circuitCode;
if (defaultRTO != 0)
m_defaultRTO = defaultRTO;
if (maxRTO != 0)
m_maxRTO = maxRTO;
// Create a token bucket throttle for this client that has the scene token bucket as a parent
m_throttle = new TokenBucket(parentThrottle, rates.ClientTotalLimit, rates.ClientTotal);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleCategory type = (ThrottleCategory)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new LocklessQueue<OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
m_throttleCategories[i] = new TokenBucket(m_throttle, rates.GetLimit(type), rates.GetRate(type));
}
// Default the retransmission timeout to three seconds
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Util.TickCount();
IsConnected = true;
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="server">Reference to the UDP server this client is connected to</param>
/// <param name="rates">Default throttling rates and maximum throttle limits</param>
/// <param name="parentThrottle">Parent HTB (hierarchical token bucket)
/// that the child throttles will be governed by</param>
/// <param name="circuitCode">Circuit code for this connection</param>
/// <param name="agentID">AgentID for the connected agent</param>
/// <param name="sessionID">SessionID for the connected agent</param>
/// <param name="secureSessionID">SecureSessionID for the connected agent</param>
/// <param name="defaultRTO">Default retransmission timeout, in milliseconds</param>
/// <param name="maxRTO">Maximum retransmission timeout, in milliseconds</param>
/// <param name="remoteEndPoint">Remote endpoint for this connection</param>
/// <param name="isChildAgent">True if this agent is currently simulated by
/// another simulator, otherwise false</param>
public LLAgent(LLUDPServer server, ThrottleRates rates, TokenBucket parentThrottle,
uint circuitCode, UUID agentID, UUID sessionID, UUID secureSessionID, IPEndPoint remoteEndPoint,
int defaultRTO, int maxRTO, bool isChildAgent)
{
m_id = agentID;
m_udpServer = server;
m_scene = m_udpServer.Scene;
PacketArchive = new IncomingPacketHistoryCollection(200);
NeedAcks = new UnackedPacketCollection();
PendingAcks = new LocklessQueue <uint>();
EventQueue = new LLEventQueue();
m_nextOnQueueEmpty = 1;
m_defaultRTO = 1000 * 3;
m_maxRTO = 1000 * 60;
m_packetOutboxes = new LocklessQueue <OutgoingPacket> [THROTTLE_CATEGORY_COUNT];
m_nextPackets = new OutgoingPacket[THROTTLE_CATEGORY_COUNT];
m_interestList = new InterestList(this, 200);
IsChildPresence = isChildAgent;
m_localID = m_scene.CreateLocalID();
TextureEntry = new Primitive.TextureEntry(DEFAULT_AVATAR_TEXTURE);
SessionID = sessionID;
SecureSessionID = secureSessionID;
RemoteEndPoint = remoteEndPoint;
CircuitCode = circuitCode;
if (defaultRTO != 0)
{
m_defaultRTO = defaultRTO;
}
if (maxRTO != 0)
{
m_maxRTO = maxRTO;
}
// Create a token bucket throttle for this client that has the scene token bucket as a parent
m_throttle = new TokenBucket(parentThrottle, rates.ClientTotalLimit, rates.ClientTotal);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleCategory type = (ThrottleCategory)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new LocklessQueue <OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
m_throttleCategories[i] = new TokenBucket(m_throttle, rates.GetLimit(type), rates.GetRate(type));
}
// Default the retransmission timeout to three seconds
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Util.TickCount();
IsConnected = true;
}
