/// <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="remoteEndPoint">Remote endpoint for this connection</param>
/// <param name="defaultRTO"></param>
/// <param name="maxRTO"></param>
public LLUDPClient(LLUDPServer server, ThrottleRates rates, TokenBucket parentThrottle, uint circuitCode,
UUID agentID, IPEndPoint remoteEndPoint, int defaultRTO, int maxRTO)
{
AgentID = agentID;
RemoteEndPoint = remoteEndPoint;
CircuitCode = circuitCode;
m_udpServer = server;
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.TotalLimit, 0);
// remember the rates the client requested
Rates = new int[(int)ThrottleOutPacketType.Count];
for (int i = 0; i < (int)ThrottleOutPacketType.Count; i++)
{
PacketsCounts[i] = 0;
}
//Set the priorities for the different packet types
//Higher is more important
MapCatsToPriority[(int)ThrottleOutPacketType.Resend] = 7;
MapCatsToPriority[(int)ThrottleOutPacketType.Land] = 1;
MapCatsToPriority[(int)ThrottleOutPacketType.Wind] = 0;
MapCatsToPriority[(int)ThrottleOutPacketType.Cloud] = 0;
MapCatsToPriority[(int)ThrottleOutPacketType.Task] = 4;
MapCatsToPriority[(int)ThrottleOutPacketType.Texture] = 2;
MapCatsToPriority[(int)ThrottleOutPacketType.Asset] = 3;
MapCatsToPriority[(int)ThrottleOutPacketType.Transfer] = 5;
MapCatsToPriority[(int)ThrottleOutPacketType.State] = 5;
MapCatsToPriority[(int)ThrottleOutPacketType.AvatarInfo] = 6;
MapCatsToPriority[(int)ThrottleOutPacketType.OutBand] = 7;
// Default the retransmission timeout to one second
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & int.MaxValue;
}
/// <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="remoteEndPoint">Remote endpoint for this connection</param>
/// <param name="defaultRTO"></param>
/// <param name="maxRTO"></param>
public LLUDPClient(LLUDPServer server, ThrottleRates rates, TokenBucket parentThrottle, uint circuitCode,
UUID agentID, IPEndPoint remoteEndPoint, int defaultRTO, int maxRTO)
{
AgentID = agentID;
RemoteEndPoint = remoteEndPoint;
CircuitCode = circuitCode;
m_udpServer = server;
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.TotalLimit, 0);
// remember the rates the client requested
Rates = new int[(int) ThrottleOutPacketType.Count];
for (int i = 0; i < (int) ThrottleOutPacketType.Count; i++)
{
PacketsCounts[i] = 0;
}
//Set the priorities for the different packet types
//Higher is more important
MapCatsToPriority[(int) ThrottleOutPacketType.Resend] = 7;
MapCatsToPriority[(int) ThrottleOutPacketType.Land] = 1;
MapCatsToPriority[(int) ThrottleOutPacketType.Wind] = 0;
MapCatsToPriority[(int) ThrottleOutPacketType.Cloud] = 0;
MapCatsToPriority[(int) ThrottleOutPacketType.Task] = 4;
MapCatsToPriority[(int) ThrottleOutPacketType.Texture] = 2;
MapCatsToPriority[(int) ThrottleOutPacketType.Asset] = 3;
MapCatsToPriority[(int) ThrottleOutPacketType.Transfer] = 5;
MapCatsToPriority[(int) ThrottleOutPacketType.State] = 5;
MapCatsToPriority[(int) ThrottleOutPacketType.AvatarInfo] = 6;
MapCatsToPriority[(int) ThrottleOutPacketType.OutBand] = 7;
// Default the retransmission timeout to one second
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & int.MaxValue;
}
public void Initialize(uint port, IConfigSource configSource, AgentCircuitManager circuitManager)
{
IConfig networkConfig = configSource.Configs["Network"];
IPAddress internalIP = IPAddress.Any;
if (networkConfig != null)
IPAddress.TryParse(networkConfig.GetString("internal_ip", "0.0.0.0"), out internalIP);
InitThreadPool(15);
base.Initialize(internalIP, (int)port);
#region Environment.TickCount Measurement
// Measure the resolution of Environment.TickCount
TickCountResolution = 0f;
for (int i = 0; i < 5; i++)
{
int start = Environment.TickCount;
int now = start;
while (now == start)
now = Environment.TickCount;
TickCountResolution += (now - start)*0.2f;
}
//MainConsole.Instance.Info("[LLUDP Server]: Average Environment.TickCount resolution: " + TickCountResolution + "ms");
TickCountResolution = (float) Math.Ceiling(TickCountResolution);
#endregion Environment.TickCount Measurement
m_circuitManager = circuitManager;
int sceneThrottleBps = 0;
IConfig config = configSource.Configs["ClientStack.LindenUDP"];
if (config != null)
{
m_asyncPacketHandling = config.GetBoolean("async_packet_handling", false);
m_recvBufferSize = config.GetInt("client_socket_rcvbuf_size", 0);
sceneThrottleBps = config.GetInt("scene_throttle_max_bps", 0);
PrimUpdatesPerCallback = config.GetInt("PrimUpdatesPerCallback", 60);
AvatarUpdatesPerCallBack = config.GetInt("AvatarUpdatesPerCallback", 80);
TextureSendLimit = config.GetInt("TextureSendLimit", 25);
m_defaultRTO = config.GetInt("DefaultRTO", 1000);
m_maxRTO = config.GetInt("MaxRTO", 20000);
ClientTimeOut = config.GetInt("ClientTimeOut", 120);
}
else
{
PrimUpdatesPerCallback = 60;
AvatarUpdatesPerCallBack = 80;
TextureSendLimit = 25;
ClientTimeOut = 120;
}
#region BinaryStats
config = configSource.Configs["Statistics.Binary"];
m_shouldCollectStats = false;
if (config != null)
{
if (config.Contains("enabled") && config.GetBoolean("enabled"))
{
if (config.Contains("collect_packet_headers"))
m_shouldCollectStats = config.GetBoolean("collect_packet_headers");
if (config.Contains("packet_headers_period_seconds"))
{
binStatsMaxFilesize = TimeSpan.FromSeconds(config.GetInt("region_stats_period_seconds"));
}
if (config.Contains("stats_dir"))
{
lock (binStatsLogLock) {
binStatsDir = config.GetString ("stats_dir");
}
}
}
else
{
m_shouldCollectStats = false;
}
}
#endregion BinaryStats
if (sceneThrottleBps != 0)
m_throttle = new TokenBucket(null, sceneThrottleBps, 0);
m_throttleRates = new ThrottleRates(configSource);
}
