/// <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>
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, rates.Total);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[(int)ThrottleOutPacketType.Count];
for (int i = 0; i < (int)ThrottleOutPacketType.Count; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new OpenSim.Framework.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));
}
TotalRateRequested = STARTPERCLIENTRATE;
TotalRateMin = MINPERCLIENTRATE;
m_throttle.MaxBurst = STARTPERCLIENTRATE;
m_throttle.DripRate = STARTPERCLIENTRATE;
MapCatsToPriority[(int)ThrottleOutPacketType.Resend] = 2;
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;
// m_lastthrottleCategoryChecked = 0;
// Default the retransmission timeout to three seconds
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & Int32.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">
/// Default retransmission timeout for unacked packets. The RTO will never drop
/// beyond this number.
/// </param>
/// <param name="maxRTO">
/// The maximum retransmission timeout for unacked packets. The RTO will never exceed this number.
/// </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;
}
ProcessUnackedSends = true;
// Create a token bucket throttle for this client that has the scene token bucket as a parent
m_throttleClient
= new AdaptiveTokenBucket(
string.Format("adaptive throttle for {0} in {1}", AgentID, server.Scene.Name),
parentThrottle, 0, rates.Total, rates.MinimumAdaptiveThrottleRate, rates.AdaptiveThrottlesEnabled);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_cannibalrate = rates.CannibalizeTextureRate;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new OpenSim.Framework.LocklessQueue <OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
m_throttleCategories[i]
= new TokenBucket(
string.Format("{0} throttle for {1} in {2}", type, AgentID, server.Scene.Name),
m_throttleClient, rates.GetRate(type), 0);
}
// Default the retransmission timeout to one second
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & Int32.MaxValue;
// Initialize the stopwatch for the first set of updates, afterwards
// the SendPacketStats method will be responsible
m_statsUpdateStopwatch.Start();
}
/// <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">
/// Default retransmission timeout for unacked packets. The RTO will never drop
/// beyond this number.
/// </param>
/// <param name="maxRTO">
/// The maximum retransmission timeout for unacked packets. The RTO will never exceed this number.
/// </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;
}
m_burstTime = rates.BrustTime;
float m_burst = rates.ClientMaxRate * m_burstTime;
// Create a token bucket throttle for this client that has the scene token bucket as a parent
m_throttleClient = new AdaptiveTokenBucket(parentThrottle, rates.ClientMaxRate, m_burst, rates.AdaptiveThrottlesEnabled);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_burst = rates.Total * rates.BrustTime;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new DoubleLocklessQueue <OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
//m_throttleCategories[i] = new TokenBucket(m_throttleClient, rates.GetRate(type), m_burst);
float rate = rates.GetRate(type);
float burst = rate * rates.BrustTime;
m_throttleCategories[i] = new TokenBucket(m_throttleClient, rate, burst);
}
// Default the retransmission timeout to one second
m_RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & Int32.MaxValue;
m_pingMS = (int)(3.0 * server.TickCountResolution); // so filter doesnt start at 0;
}
/// <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 & Int32.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">
/// Default retransmission timeout for unacked packets. The RTO will never drop
/// beyond this number.
/// </param>
/// <param name="maxRTO">
/// The maximum retransmission timeout for unacked packets. The RTO will never exceed this number.
/// </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_throttleClient = new AdaptiveTokenBucket(parentThrottle, rates.Total, rates.AdaptiveThrottlesEnabled);
// Create a token bucket throttle for the total categary with the client bucket as a throttle
m_throttleCategory = new TokenBucket(m_throttleClient, 0);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_cannibalrate = rates.CannibalizeTextureRate;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new OpenSim.Framework.LocklessQueue <OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
m_throttleCategories[i] = new TokenBucket(m_throttleCategory, rates.GetRate(type));
}
// Default the retransmission timeout to one second
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & Int32.MaxValue;
}
private string GetServerThrottlesReport(LLUDPServer udpServer)
{
StringBuilder report = new StringBuilder();
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(
"{0,7} {1,8} {2,7} {3,7} {4,7} {5,7} {6,9} {7,7}\n",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s",
"kb/s");
ThrottleRates throttleRates = udpServer.ThrottleRates;
report.AppendFormat(
"{0,7} {1,8} {2,7} {3,7} {4,7} {5,7} {6,9} {7,7}",
(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);
return(report.ToString());
}
public LLUDPServer(
IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port,
IConfigSource configSource, AgentCircuitManager circuitManager)
: base(listenIP, (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 += (float)(now - start) * 0.2f;
}
m_log.Info("[LLUDPSERVER]: Average Environment.TickCount resolution: " + TickCountResolution + "ms");
TickCountResolution = (float)Math.Ceiling(TickCountResolution);
#endregion Environment.TickCount Measurement
m_circuitManager = circuitManager;
int sceneThrottleBps = 0;
bool usePools = false;
IConfig config = configSource.Configs["ClientStack.LindenUDP"];
if (config != null)
{
m_asyncPacketHandling = config.GetBoolean("async_packet_handling", true);
m_recvBufferSize = config.GetInt("client_socket_rcvbuf_size", 0);
sceneThrottleBps = config.GetInt("scene_throttle_max_bps", 0);
PrimUpdatesPerCallback = config.GetInt("PrimUpdatesPerCallback", 100);
TextureSendLimit = config.GetInt("TextureSendLimit", 20);
m_defaultRTO = config.GetInt("DefaultRTO", 0);
m_maxRTO = config.GetInt("MaxRTO", 0);
m_disableFacelights = config.GetBoolean("DisableFacelights", false);
m_ackTimeout = 1000 * config.GetInt("AckTimeout", 60);
m_pausedAckTimeout = 1000 * config.GetInt("PausedAckTimeout", 300);
}
else
{
PrimUpdatesPerCallback = 100;
TextureSendLimit = 20;
m_ackTimeout = 1000 * 60; // 1 minute
m_pausedAckTimeout = 1000 * 300; // 5 minutes
}
// FIXME: This actually only needs to be done once since the PacketPool is shared across all servers.
// However, there is no harm in temporarily doing it multiple times.
IConfig packetConfig = configSource.Configs["PacketPool"];
if (packetConfig != null)
{
PacketPool.Instance.RecyclePackets = packetConfig.GetBoolean("RecyclePackets", true);
PacketPool.Instance.RecycleDataBlocks = packetConfig.GetBoolean("RecycleDataBlocks", true);
usePools = packetConfig.GetBoolean("RecycleBaseUDPPackets", usePools);
}
#region BinaryStats
config = configSource.Configs["Statistics.Binary"];
m_shouldCollectStats = false;
if (config != null)
{
m_shouldCollectStats = config.GetBoolean("Enabled", false);
binStatsMaxFilesize = TimeSpan.FromSeconds(config.GetInt("packet_headers_period_seconds", 300));
binStatsDir = config.GetString("stats_dir", ".");
m_aggregatedBWStats = config.GetBoolean("aggregatedBWStats", false);
}
#endregion BinaryStats
m_throttle = new TokenBucket(null, sceneThrottleBps);
ThrottleRates = new ThrottleRates(configSource);
if (usePools)
EnablePools();
}
/// <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>
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, rates.Total);
// 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++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new OpenSim.Framework.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 = Environment.TickCount & Int32.MaxValue;
NeedAcks = new UnackedPacketCollection(server.ByteBufferPool);
}
public void Initialise (int port, IConfigSource configSource, AgentCircuitManager circuitManager)
{
base.Initialise (IPAddress.Any, 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 += (float)(now - start) * 0.2f;
}
//m_log.Info("[LLUDPSERVER]: 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", 500);
m_disableFacelights = config.GetBoolean("DisableFacelights", false);
}
else
{
PrimUpdatesPerCallback = 60;
AvatarUpdatesPerCallBack = 80;
TextureSendLimit = 25;
ClientTimeOut = 500;
}
#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"))
{
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);
}
/// <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 & Int32.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">
/// Default retransmission timeout for unacked packets. The RTO will never drop
/// beyond this number.
/// </param>
/// <param name="maxRTO">
/// The maximum retransmission timeout for unacked packets. The RTO will never exceed this number.
/// </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;
ProcessUnackedSends = true;
// Create a token bucket throttle for this client that has the scene token bucket as a parent
m_throttleClient
= new AdaptiveTokenBucket(
string.Format("adaptive throttle for {0} in {1}", AgentID, server.Scene.Name),
parentThrottle, 0, rates.Total, rates.MinimumAdaptiveThrottleRate, rates.AdaptiveThrottlesEnabled);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_cannibalrate = rates.CannibalizeTextureRate;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new OpenSim.Framework.LocklessQueue<OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
m_throttleCategories[i]
= new TokenBucket(
string.Format("{0} throttle for {1} in {2}", type, AgentID, server.Scene.Name),
m_throttleClient, rates.GetRate(type), 0);
}
// Default the retransmission timeout to one second
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & Int32.MaxValue;
// Initialize the stopwatch for the first set of updates, afterwards
// the SendPacketStats method will be responsible
m_statsUpdateStopwatch.Start();
}
/// <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>
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, rates.Total);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[(int)ThrottleOutPacketType.Count];
for (int i = 0; i < (int)ThrottleOutPacketType.Count; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new OpenSim.Framework.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));
}
TotalRateRequested = STARTPERCLIENTRATE;
TotalRateMin = MINPERCLIENTRATE;
m_throttle.MaxBurst = STARTPERCLIENTRATE;
m_throttle.DripRate = STARTPERCLIENTRATE;
MapCatsToPriority[(int)ThrottleOutPacketType.Resend] = 2;
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.State] = 5;
MapCatsToPriority[(int)ThrottleOutPacketType.AvatarInfo] = 6;
MapCatsToPriority[(int)ThrottleOutPacketType.OutBand] = 7;
// m_lastthrottleCategoryChecked = 0;
// Default the retransmission timeout to three seconds
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount & Int32.MaxValue;
}
public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
: base(listenIP, (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 += (float)(now - start) * 0.2f;
}
m_log.Info("[LLUDPSERVER]: 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", true);
m_recvBufferSize = config.GetInt("client_socket_rcvbuf_size", 0);
sceneThrottleBps = config.GetInt("scene_throttle_max_bps", 0);
PrimUpdatesPerCallback = config.GetInt("PrimUpdatesPerCallback", 100);
TextureSendLimit = config.GetInt("TextureSendLimit", 20);
m_defaultRTO = config.GetInt("DefaultRTO", 0);
m_maxRTO = config.GetInt("MaxRTO", 0);
m_disableFacelights = config.GetBoolean("DisableFacelights", false);
m_ackTimeout = 1000 * config.GetInt("AckTimeout", 60);
m_pausedAckTimeout = 1000 * config.GetInt("PausedAckTimeout", 300);
}
else
{
PrimUpdatesPerCallback = 100;
TextureSendLimit = 20;
m_ackTimeout = 1000 * 60; // 1 minute
m_pausedAckTimeout = 1000 * 300; // 5 minutes
}
#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"))
{
binStatsDir = config.GetString("stats_dir");
}
}
else
{
m_shouldCollectStats = false;
}
}
#endregion BinaryStats
m_throttle = new TokenBucket(null, sceneThrottleBps);
ThrottleRates = new ThrottleRates(configSource);
}
public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
: base(listenIP, (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 += (float)(now - start) * 0.2f;
}
m_log.Info("[LLUDPSERVER]: 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);
PrimTerseUpdatesPerPacket = config.GetInt("PrimTerseUpdatesPerPacket", 25);
AvatarTerseUpdatesPerPacket = config.GetInt("AvatarTerseUpdatesPerPacket", 10);
PrimFullUpdatesPerPacket = config.GetInt("PrimFullUpdatesPerPacket", 100);
TextureSendLimit = config.GetInt("TextureSendLimit", 20);
}
else
{
PrimTerseUpdatesPerPacket = 25;
AvatarTerseUpdatesPerPacket = 10;
PrimFullUpdatesPerPacket = 100;
TextureSendLimit = 20;
}
m_throttle = new TokenBucket(null, sceneThrottleBps, sceneThrottleBps);
m_throttleRates = new ThrottleRates(configSource);
}
public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
: base(listenIP, (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 += (float)(now - start) * 0.2f;
}
m_log.Info("[LLUDPSERVER]: 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", true);
m_recvBufferSize = config.GetInt("client_socket_rcvbuf_size", 0);
sceneThrottleBps = config.GetInt("scene_throttle_max_bps", 0);
PrimUpdatesPerCallback = config.GetInt("PrimUpdatesPerCallback", 100);
TextureSendLimit = config.GetInt("TextureSendLimit", 20);
m_defaultRTO = config.GetInt("DefaultRTO", 0);
m_maxRTO = config.GetInt("MaxRTO", 0);
m_disableFacelights = config.GetBoolean("DisableFacelights", false);
}
else
{
PrimUpdatesPerCallback = 100;
TextureSendLimit = 20;
}
#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"))
{
binStatsDir = config.GetString("stats_dir");
}
}
else
{
m_shouldCollectStats = false;
}
}
#endregion BinaryStats
m_throttle = new TokenBucket(null, sceneThrottleBps, sceneThrottleBps);
m_throttleRates = new ThrottleRates(configSource);
}
/// <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">
/// Default retransmission timeout for unacked packets. The RTO will never drop
/// beyond this number.
/// </param>
/// <param name="maxRTO">
/// The maximum retransmission timeout for unacked packets. The RTO will never exceed this number.
/// </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_throttleClient = new AdaptiveTokenBucket(parentThrottle, rates.Total, rates.AdaptiveThrottlesEnabled);
// Create a token bucket throttle for the total categary with the client bucket as a throttle
m_throttleCategory = new TokenBucket(m_throttleClient, 0);
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_cannibalrate = rates.CannibalizeTextureRate;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
// Initialize the packet outboxes, where packets sit while they are waiting for tokens
m_packetOutboxes[i] = new ThreadedClasses.NonblockingQueue<OutgoingPacket>();
// Initialize the token buckets that control the throttling for each category
m_throttleCategories[i] = new TokenBucket(m_throttleCategory, rates.GetRate(type));
}
// Default the retransmission timeout to one second
RTO = m_defaultRTO;
// Initialize this to a sane value to prevent early disconnects
TickLastPacketReceived = Environment.TickCount;
}