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Merge branch 'master' of brain.opensimulator.org:/var/git/opensim

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root
2019-03-11 23:41:26 +00:00
parent 0a4f0758fa 68b0d9f31d
commit c7a02dc058
61 changed files with 2439 additions and 1170 deletions
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39
OpenSim/Region/ClientStack/Linden/Caps/GetAssetsModule.cs Normal file → Executable file
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@@ -59,7 +59,7 @@ namespace OpenSim.Region.ClientStack.Linden
private string m_GetTextureURL;
private string m_GetMeshURL;
private string m_GetMesh2URL;
// private string m_GetAssetURL;
private string m_GetAssetURL;
class APollRequest
{
@@ -87,7 +87,7 @@ namespace OpenSim.Region.ClientStack.Linden
private Dictionary<UUID, string> m_capsDictTexture = new Dictionary<UUID, string>();
private Dictionary<UUID, string> m_capsDictGetMesh = new Dictionary<UUID, string>();
private Dictionary<UUID, string> m_capsDictGetMesh2 = new Dictionary<UUID, string>();
//private Dictionary<UUID, string> m_capsDictGetAsset = new Dictionary<UUID, string>();
private Dictionary<UUID, string> m_capsDictGetAsset = new Dictionary<UUID, string>();
#region Region Module interfaceBase Members
@@ -113,11 +113,11 @@ namespace OpenSim.Region.ClientStack.Linden
m_GetMesh2URL = config.GetString("Cap_GetMesh2", string.Empty);
if (m_GetMesh2URL != string.Empty)
m_Enabled = true;
/*
m_GetAssetURL = config.GetString("Cap_GetAsset", string.Empty);
if (m_GetAssetURL != string.Empty)
m_Enabled = true;
*/
}
public void AddRegion(Scene pScene)
@@ -204,19 +204,26 @@ namespace OpenSim.Region.ClientStack.Linden
private static void DoAssetRequests()
{
while (m_NumberScenes > 0)
try
{
APollRequest poolreq;
if(m_queue.TryTake(out poolreq, 4500))
while (m_NumberScenes > 0)
{
if (m_NumberScenes <= 0)
break;
APollRequest poolreq;
if (m_queue.TryTake(out poolreq, 4500))
{
if (m_NumberScenes <= 0)
break;
Watchdog.UpdateThread();
if (poolreq.reqID != UUID.Zero)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
if (poolreq.reqID != UUID.Zero)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
}
catch (ThreadAbortException)
{
Thread.ResetAbort();
}
}
@@ -441,7 +448,6 @@ namespace OpenSim.Region.ClientStack.Linden
else if (m_GetMesh2URL != string.Empty)
caps.RegisterHandler("GetMesh2", m_GetMesh2URL);
/* we can't support this cap. Current viewers connect to the wrong regions.
//ViewerAsset
if (m_GetAssetURL == "localhost")
{
@@ -459,7 +465,7 @@ namespace OpenSim.Region.ClientStack.Linden
}
else if (m_GetAssetURL != string.Empty)
caps.RegisterHandler("ViewerAsset", m_GetMesh2URL);
*/
}
private void DeregisterCaps(UUID agentID, Caps caps)
@@ -480,13 +486,12 @@ namespace OpenSim.Region.ClientStack.Linden
MainServer.Instance.RemovePollServiceHTTPHandler("", capUrl);
m_capsDictGetMesh2.Remove(agentID);
}
/*
if (m_capsDictGetAsset.TryGetValue(agentID, out capUrl))
{
MainServer.Instance.RemovePollServiceHTTPHandler("", capUrl);
m_capsDictGetAsset.Remove(agentID);
}
*/
}
}
}

23
OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs Normal file → Executable file
View File

@@ -395,17 +395,26 @@ namespace OpenSim.Region.ClientStack.Linden
private static void DoInventoryRequests()
{
while (true)
bool running = true;
while (running)
{
APollRequest poolreq;
if (m_queue.TryTake(out poolreq, 4500))
try
{
APollRequest poolreq;
if (m_queue.TryTake(out poolreq, 4500))
{
Watchdog.UpdateThread();
if (poolreq.thepoll != null)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
if (poolreq.thepoll != null)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
catch (ThreadAbortException)
{
Thread.ResetAbort();
running = false;
}
}
}
}

1162
OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
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File diff suppressed because it is too large Load Diff

90
OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
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@@ -120,7 +120,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// <summary>Circuit code that this client is connected on</summary>
public readonly uint CircuitCode;
/// <summary>Sequence numbers of packets we've received (for duplicate checking)</summary>
public IncomingPacketHistoryCollection PacketArchive = new IncomingPacketHistoryCollection(200);
public IncomingPacketHistoryCollection PacketArchive = new IncomingPacketHistoryCollection(256);
/// <summary>Packets we have sent that need to be ACKed by the client</summary>
public UnackedPacketCollection NeedAcks = new UnackedPacketCollection();
@@ -210,12 +210,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
}
/// <summary>
/// This is the percentage of the udp texture queue to add to the task queue since
/// textures are now generally handled through http.
/// </summary>
private double m_cannibalrate = 0.0;
private ClientInfo m_info = new ClientInfo();
/// <summary>
@@ -257,8 +251,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_cannibalrate = rates.CannibalizeTextureRate;
m_burst = rates.Total * rates.BrustTime;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
@@ -449,12 +441,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
asset = Math.Max(asset, LLUDPServer.MTU);
*/
// Since most textures are now delivered through http, make it possible
// to cannibalize some of the bw from the texture throttle to use for
// the task queue (e.g. object updates)
task = task + (int)(m_cannibalrate * texture);
texture = (int)((1 - m_cannibalrate) * texture);
int total = resend + land + wind + cloud + task + texture + asset;
float m_burst = total * m_burstTime;
@@ -575,22 +561,22 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
DoubleLocklessQueue<OutgoingPacket> queue = m_packetOutboxes[category];
if (m_deliverPackets == false)
if (forceQueue || m_deliverPackets == false)
{
queue.Enqueue(packet, highPriority);
return true;
}
TokenBucket bucket = m_throttleCategories[category];
// Don't send this packet if queue is not empty
// need to enqueue if queue is not empty
if (queue.Count > 0 || m_nextPackets[category] != null)
{
queue.Enqueue(packet, highPriority);
return true;
}
if (!forceQueue && bucket.CheckTokens(packet.Buffer.DataLength))
// check bandwidth
TokenBucket bucket = m_throttleCategories[category];
if (bucket.CheckTokens(packet.Buffer.DataLength))
{
// enough tokens so it can be sent imediatly by caller
bucket.RemoveTokens(packet.Buffer.DataLength);
@@ -608,7 +594,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// We don't have a token bucket for this category, so it will not be queued
return false;
}
}
/// <summary>
@@ -650,6 +635,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// leaving a dequeued packet still waiting to be sent out. Try to
// send it again
OutgoingPacket nextPacket = m_nextPackets[i];
if(nextPacket.Buffer == null)
{
if (m_packetOutboxes[i].Count < 5)
emptyCategories |= CategoryToFlag(i);
continue;
}
if (bucket.RemoveTokens(nextPacket.Buffer.DataLength))
{
// Send the packet
@@ -681,21 +672,29 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
// A packet was pulled off the queue. See if we have
// enough tokens in the bucket to send it out
if (bucket.RemoveTokens(packet.Buffer.DataLength))
if(packet.Buffer == null)
{
// Send the packet
m_udpServer.SendPacketFinal(packet);
packetSent = true;
// packet canceled elsewhere (by a ack for example)
if (queue.Count < 5)
emptyCategories |= CategoryToFlag(i);
}
else
{
// Save the dequeued packet for the next iteration
m_nextPackets[i] = packet;
}
if (bucket.RemoveTokens(packet.Buffer.DataLength))
{
// Send the packet
m_udpServer.SendPacketFinal(packet);
packetSent = true;
if (queue.Count < 5)
emptyCategories |= CategoryToFlag(i);
}
else
{
// Save the dequeued packet for the next iteration
m_nextPackets[i] = packet;
}
}
}
else
{
@@ -803,8 +802,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
}
/// <summary>
/// Fires the OnQueueEmpty callback and sets the minimum time that it
/// can be called again
@@ -843,6 +840,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return 0;
}
public void FreeUDPBuffer(UDPPacketBuffer buf)
{
m_udpServer.FreeUDPBuffer(buf);
}
/// <summary>
/// Converts a <seealso cref="ThrottleOutPacketType"/> integer to a
/// flag value
@@ -853,34 +855,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
ThrottleOutPacketType category = (ThrottleOutPacketType)i;
/*
* Land = 1,
/// <summary>Wind data</summary>
Wind = 2,
/// <summary>Cloud data</summary>
Cloud = 3,
/// <summary>Any packets that do not fit into the other throttles</summary>
Task = 4,
/// <summary>Texture assets</summary>
Texture = 5,
/// <summary>Non-texture assets</summary>
Asset = 6,
*/
switch (category)
{
case ThrottleOutPacketType.Land:
return ThrottleOutPacketTypeFlags.Land;
return ThrottleOutPacketTypeFlags.Land; // Terrain data
case ThrottleOutPacketType.Wind:
return ThrottleOutPacketTypeFlags.Wind;
return ThrottleOutPacketTypeFlags.Wind; // Wind data
case ThrottleOutPacketType.Cloud:
return ThrottleOutPacketTypeFlags.Cloud;
return ThrottleOutPacketTypeFlags.Cloud; // Cloud data
case ThrottleOutPacketType.Task:
return ThrottleOutPacketTypeFlags.Task;
return ThrottleOutPacketTypeFlags.Task; // Object updates and everything not on the other categories
case ThrottleOutPacketType.Texture:
return ThrottleOutPacketTypeFlags.Texture;
return ThrottleOutPacketTypeFlags.Texture; // Textures data (also impacts http texture and mesh by default)
case ThrottleOutPacketType.Asset:
return ThrottleOutPacketTypeFlags.Asset;
return ThrottleOutPacketTypeFlags.Asset; // Non-texture Assets data
default:
return 0;
}

350
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs Normal file → Executable file
View File

@@ -256,6 +256,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// <summary>Maximum transmission unit, or UDP packet size, for the LLUDP protocol</summary>
public const int MTU = 1400;
public const int MAXPAYLOAD = 1250;
/// <summary>Number of forced client logouts due to no receipt of packets before timeout.</summary>
public int ClientLogoutsDueToNoReceives { get; protected set; }
@@ -274,10 +275,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// <summary>The measured resolution of Environment.TickCount</summary>
public readonly float TickCountResolution;
/// <summary>Number of prim updates to put on the queue each time the
/// OnQueueEmpty event is triggered for updates</summary>
public readonly int PrimUpdatesPerCallback;
/// <summary>Number of texture packets to put on the queue each time the
/// OnQueueEmpty event is triggered for textures</summary>
public readonly int TextureSendLimit;
@@ -344,18 +341,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
protected ExpiringCache<IPEndPoint, Queue<UDPPacketBuffer>> m_pendingCache = new ExpiringCache<IPEndPoint, Queue<UDPPacketBuffer>>();
protected Pool<IncomingPacket> m_incomingPacketPool;
/// <summary>
/// Stat for number of packets in the main pool awaiting use.
/// </summary>
protected Stat m_poolCountStat;
/// <summary>
/// Stat for number of packets in the inbound packet pool awaiting use.
/// </summary>
protected Stat m_incomingPacketPoolStat;
protected int m_defaultRTO = 0;
protected int m_maxRTO = 0;
protected int m_ackTimeout = 0;
@@ -452,7 +437,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
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);
@@ -463,7 +447,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
else
{
PrimUpdatesPerCallback = 100;
TextureSendLimit = 20;
m_ackTimeout = 1000 * 60; // 1 minute
m_pausedAckTimeout = 1000 * 300; // 5 minutes
@@ -498,7 +481,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// if (usePools)
// EnablePools();
base.DisablePools();
}
public void Start()
@@ -554,83 +536,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
OqrEngine.Stop();
}
public override bool EnablePools()
{
if (!UsePools)
{
base.EnablePools();
m_incomingPacketPool = new Pool<IncomingPacket>(() => new IncomingPacket(), 500);
return true;
}
return false;
}
public override bool DisablePools()
{
if (UsePools)
{
base.DisablePools();
StatsManager.DeregisterStat(m_incomingPacketPoolStat);
// We won't null out the pool to avoid a race condition with code that may be in the middle of using it.
return true;
}
return false;
}
/// <summary>
/// This is a seperate method so that it can be called once we have an m_scene to distinguish different scene
/// stats.
/// </summary>
protected internal void EnablePoolStats()
{
m_poolCountStat
= new Stat(
"UDPPacketBufferPoolCount",
"Objects within the UDPPacketBuffer pool",
"The number of objects currently stored within the UDPPacketBuffer pool",
"",
"clientstack",
Scene.Name,
StatType.Pull,
stat => stat.Value = Pool.Count,
StatVerbosity.Debug);
StatsManager.RegisterStat(m_poolCountStat);
m_incomingPacketPoolStat
= new Stat(
"IncomingPacketPoolCount",
"Objects within incoming packet pool",
"The number of objects currently stored within the incoming packet pool",
"",
"clientstack",
Scene.Name,
StatType.Pull,
stat => stat.Value = m_incomingPacketPool.Count,
StatVerbosity.Debug);
StatsManager.RegisterStat(m_incomingPacketPoolStat);
}
/// <summary>
/// Disables pool stats.
/// </summary>
protected internal void DisablePoolStats()
{
StatsManager.DeregisterStat(m_poolCountStat);
m_poolCountStat = null;
StatsManager.DeregisterStat(m_incomingPacketPoolStat);
m_incomingPacketPoolStat = null;
}
/// <summary>
/// If the outgoing UDP thread times out, then return client that was being processed to help with debugging.
/// </summary>
@@ -658,8 +563,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
string.Format("Incoming Packet Async Handling Engine ({0})", Scene.Name),
"INCOMING PACKET ASYNC HANDLING ENGINE");
*/
OqrEngine
= new JobEngine(
OqrEngine = new JobEngine(
string.Format("Outgoing Queue Refill Engine ({0})", Scene.Name),
"OUTGOING QUEUE REFILL ENGINE");
@@ -769,15 +673,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
stat => stat.Value = OqrEngine.JobsWaiting,
StatVerbosity.Debug));
// We delay enabling pool stats to AddScene() instead of Initialize() so that we can distinguish pool stats by
// scene name
if (UsePools)
EnablePoolStats();
StatsManager.RegisterStat(
new Stat(
"UDPBuffersPoolCount",
"Buffers in the UDP buffers pool",
"The number of buffers currently stored within the UDP buffers pool",
"",
"clientstack",
Scene.Name,
StatType.Pull,
stat => stat.Value = m_udpBuffersPoolPtr + 1,
StatVerbosity.Debug));
LLUDPServerCommands commands = new LLUDPServerCommands(MainConsole.Instance, this);
commands.Register();
}
public bool HandlesRegion(Location x)
@@ -939,9 +848,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// The vast majority of packets are less than 200 bytes, although due to asset transfers and packet splitting
// there are a decent number of packets in the 1000-1140 byte range. We allocate one of two sizes of data here
// to accomodate for both common scenarios and provide ample room for ACK appending in both
int bufferSize = (dataLength > 180) ? LLUDPServer.MTU : 200;
//int bufferSize = (dataLength > 180) ? LLUDPServer.MTU : 200;
UDPPacketBuffer buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, bufferSize);
//UDPPacketBuffer buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, bufferSize);
UDPPacketBuffer buffer = GetNewUDPBuffer(udpClient.RemoteEndPoint);
// Zerocode if needed
if (doZerocode)
@@ -971,7 +881,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// If the packet data wasn't already copied during zerocoding, copy it now
if (doCopy)
{
if (dataLength <= buffer.Data.Length)
//if (dataLength <= buffer.Data.Length)
if (dataLength <= LLUDPServer.MTU)
{
Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength);
}
@@ -979,7 +890,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
m_log.Error("[LLUDPSERVER]: Packet exceeded buffer size! This could be an indication of packet assembly not obeying the MTU. Type=" +
type + ", DataLength=" + dataLength + ", BufferLength=" + buffer.Data.Length);
buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, dataLength);
// buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, dataLength);
buffer = GetNewUDPBuffer(udpClient.RemoteEndPoint);
Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength);
}
}
@@ -1017,6 +929,89 @@ namespace OpenSim.Region.ClientStack.LindenUDP
#endregion Queue or Send
}
public unsafe UDPPacketBuffer ZeroEncode(UDPPacketBuffer input)
{
UDPPacketBuffer zb = GetNewUDPBuffer(null);
int srclen = input.DataLength;
byte[] src = input.Data;
byte[] dest = zb.Data;
int zerolen = 6;
byte zerocount = 0;
for (int i = zerolen; i < srclen; i++)
{
if (src[i] == 0x00)
{
zerocount++;
if (zerocount == 0)
{
dest[zerolen++] = 0x00;
dest[zerolen++] = 0xff;
zerocount++;
}
}
else
{
if (zerocount != 0)
{
dest[zerolen++] = 0x00;
dest[zerolen++] = zerocount;
zerocount = 0;
}
dest[zerolen++] = src[i];
}
}
if (zerocount != 0)
{
dest[zerolen++] = 0x00;
dest[zerolen++] = zerocount;
}
if(zerolen >= srclen)
{
FreeUDPBuffer(zb);
src[0] &= unchecked((byte)~Helpers.MSG_ZEROCODED);
return input;
}
Buffer.BlockCopy(src, 0, dest, 0, 6);
zb.RemoteEndPoint = input.RemoteEndPoint;
zb.DataLength = zerolen;
FreeUDPBuffer(input);
return zb;
}
public void SendUDPPacket(
LLUDPClient udpClient, UDPPacketBuffer buffer, ThrottleOutPacketType category, UnackedPacketMethod method, bool forcequeue, bool zerocode)
{
bool highPriority = false;
if(zerocode)
buffer = ZeroEncode(buffer);
if (category != ThrottleOutPacketType.Unknown && (category & ThrottleOutPacketType.HighPriority) != 0)
{
category = (ThrottleOutPacketType)((int)category & 127);
highPriority = true;
}
OutgoingPacket outgoingPacket = new OutgoingPacket(udpClient, buffer, category, null);
// If we were not provided a method for handling unacked, use the UDPServer default method
if ((outgoingPacket.Buffer.Data[0] & Helpers.MSG_RELIABLE) != 0)
outgoingPacket.UnackedMethod = ((method == null) ? delegate (OutgoingPacket oPacket) { ResendUnacked(oPacket); } : method);
if (!outgoingPacket.Client.EnqueueOutgoing(outgoingPacket, forcequeue, highPriority))
SendPacketFinal(outgoingPacket);
}
public void SendAcks(LLUDPClient udpClient)
{
uint ack;
@@ -1066,7 +1061,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
LLUDPClient udpClient = client.UDPClient;
if (!udpClient.IsConnected)
if (!client.IsActive || !udpClient.IsConnected)
return;
// Disconnect an agent if no packets are received for some time
@@ -1136,14 +1131,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
internal void SendPacketFinal(OutgoingPacket outgoingPacket)
{
UDPPacketBuffer buffer = outgoingPacket.Buffer;
if(buffer == null) // canceled packet
return;
LLUDPClient udpClient = outgoingPacket.Client;
if (!udpClient.IsConnected)
return;
byte flags = buffer.Data[0];
bool isResend = (flags & Helpers.MSG_RESENT) != 0;
bool isReliable = (flags & Helpers.MSG_RELIABLE) != 0;
bool isZerocoded = (flags & Helpers.MSG_ZEROCODED) != 0;
LLUDPClient udpClient = outgoingPacket.Client;
if (!udpClient.IsConnected)
return;
int dataLength = buffer.DataLength;
@@ -1154,7 +1151,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// no more ACKs to append
int ackCount = 0;
uint ack;
while (dataLength + 5 < buffer.Data.Length && ackCount < 256 && udpClient.PendingAcks.Dequeue(out ack))
while (dataLength + 5 < MTU && ackCount < 256 && udpClient.PendingAcks.Dequeue(out ack))
{
Utils.UIntToBytesBig(ack, buffer.Data, dataLength);
dataLength += 4;
@@ -1168,22 +1165,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// Set the appended ACKs flag on this packet
buffer.Data[0] = (byte)(buffer.Data[0] | Helpers.MSG_APPENDED_ACKS);
}
buffer.DataLength = dataLength;
}
buffer.DataLength = dataLength;
if (!isResend)
{
// Not a resend, assign a new sequence number
uint sequenceNumber = (uint)Interlocked.Increment(ref udpClient.CurrentSequence);
Utils.UIntToBytesBig(sequenceNumber, buffer.Data, 1);
outgoingPacket.SequenceNumber = sequenceNumber;
if (isReliable)
{
// Add this packet to the list of ACK responses we are waiting on from the server
udpClient.NeedAcks.Add(outgoingPacket);
}
}
else
{
@@ -1196,9 +1186,18 @@ namespace OpenSim.Region.ClientStack.LindenUDP
PacketsSentCount++;
SyncSend(buffer);
// Keep track of when this packet was sent out (right now)
outgoingPacket.TickCount = Environment.TickCount & Int32.MaxValue;
if (outgoingPacket.UnackedMethod == null)
FreeUDPBuffer(buffer);
else if(!isResend)
{
// Add this packet to the list of ACK responses we are waiting on from the server
udpClient.NeedAcks.Add(outgoingPacket);
}
if (udpClient.DebugDataOutLevel > 0)
m_log.DebugFormat(
"[LLUDPSERVER]: Sending packet #{0} (rel: {1}, res: {2}) to {3} from {4}",
@@ -1240,7 +1239,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// buffer.DataLength, buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
RecordMalformedInboundPacket(endPoint);
FreeUDPBuffer(buffer);
return; // Drop undersized packet
}
@@ -1260,21 +1259,29 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
RecordMalformedInboundPacket(endPoint);
FreeUDPBuffer(buffer);
return; // Malformed header
}
try
{
// packet = Packet.BuildPacket(buffer.Data, ref packetEnd,
// // Only allocate a buffer for zerodecoding if the packet is zerocoded
// ((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0) ? new byte[4096] : null);
// get a buffer for zero decode using the udp buffers pool
UDPPacketBuffer zerodecodebufferholder = null;
byte[] zerodecodebuffer = null;
// only if needed
if (((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0))
{
zerodecodebufferholder = GetNewUDPBuffer(null);
zerodecodebuffer = zerodecodebufferholder.Data;
}
packet = Packet.BuildPacket(buffer.Data, ref packetEnd, zerodecodebuffer);
// If OpenSimUDPBase.UsePool == true (which is currently separate from the PacketPool) then we
// assume that packet construction does not retain a reference to byte[] buffer.Data (instead, all
// bytes are copied out).
packet = PacketPool.Instance.GetPacket(buffer.Data, ref packetEnd,
// Only allocate a buffer for zerodecoding if the packet is zerocoded
((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0) ? new byte[4096] : null);
// packet = PacketPool.Instance.GetPacket(buffer.Data, ref packetEnd, zerodecodebuffer);
if(zerodecodebufferholder != null)
FreeUDPBuffer(zerodecodebufferholder);
}
catch (Exception e)
{
@@ -1292,7 +1299,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
RecordMalformedInboundPacket(endPoint);
FreeUDPBuffer(buffer);
return;
}
@@ -1311,17 +1318,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
lock (m_pendingCache)
{
if (m_pendingCache.Contains(endPoint))
{
FreeUDPBuffer(buffer);
return;
}
m_pendingCache.AddOrUpdate(endPoint, new Queue<UDPPacketBuffer>(), 60);
}
// We need to copy the endpoint so that it doesn't get changed when another thread reuses the
// buffer.
object[] array = new object[] { new IPEndPoint(endPoint.Address, endPoint.Port), packet };
Util.FireAndForget(HandleUseCircuitCode, array);
Util.FireAndForget(HandleUseCircuitCode, new object[] { endPoint, packet });
FreeUDPBuffer(buffer);
return;
}
}
@@ -1336,24 +1342,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
queue.Enqueue(buffer);
return;
}
/*
else if (packet.Type == PacketType.CompleteAgentMovement)
{
// Send ack straight away to let the viewer know that we got it.
SendAckImmediate(endPoint, packet.Header.Sequence);
// We need to copy the endpoint so that it doesn't get changed when another thread reuses the
// buffer.
object[] array = new object[] { new IPEndPoint(endPoint.Address, endPoint.Port), packet };
Util.FireAndForget(HandleCompleteMovementIntoRegion, array);
return;
}
*/
}
FreeUDPBuffer(buffer);
// Determine which agent this packet came from
if (client == null || !(client is LLClientView))
{
@@ -1471,10 +1463,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
LogPacketHeader(true, udpClient.CircuitCode, 0, packet.Type, (ushort)packet.Length);
#endregion BinaryStats
//AgentUpdate removed from here
#region Ping Check Handling
if (packet.Type == PacketType.StartPingCheck)
@@ -1506,17 +1494,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
IncomingPacket incomingPacket;
// Inbox insertion
if (UsePools)
{
incomingPacket = m_incomingPacketPool.GetObject();
incomingPacket.Client = (LLClientView)client;
incomingPacket.Packet = packet;
}
else
{
incomingPacket = new IncomingPacket((LLClientView)client, packet);
}
incomingPacket = new IncomingPacket((LLClientView)client, packet);
// if (incomingPacket.Packet.Type == PacketType.AgentUpdate ||
// incomingPacket.Packet.Type == PacketType.ChatFromViewer)
@@ -1525,7 +1503,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// else
// packetInbox.Enqueue(incomingPacket);
packetInbox.Add(incomingPacket);
}
#region BinaryStats
@@ -1685,7 +1662,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
m_log.DebugFormat("[LLUDPSERVER]: Client created but no pending queue present");
return;
}
m_pendingCache.Remove(endPoint);
}
@@ -1881,13 +1857,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
byte[] packetData = ack.ToBytes();
int length = packetData.Length;
UDPPacketBuffer buffer = new UDPPacketBuffer(remoteEndpoint, length);
UDPPacketBuffer buffer = GetNewUDPBuffer(remoteEndpoint);
buffer.DataLength = length;
Buffer.BlockCopy(packetData, 0, buffer.Data, 0, length);
// AsyncBeginSend(buffer);
SyncSend(buffer);
FreeUDPBuffer(buffer);
}
protected bool IsClientAuthorized(UseCircuitCodePacket useCircuitCode, out AuthenticateResponse sessionInfo)
@@ -1982,21 +1959,19 @@ namespace OpenSim.Region.ClientStack.LindenUDP
Scene.ThreadAlive(1);
try
{
packetInbox.TryTake(out incomingPacket, 250);
packetInbox.TryTake(out incomingPacket, 4500);
if (incomingPacket != null && IsRunningInbound)
{
ProcessInPacket(incomingPacket);
if (UsePools)
{
incomingPacket.Client = null;
m_incomingPacketPool.ReturnObject(incomingPacket);
}
incomingPacket = null;
}
}
catch(Exception ex)
catch (ThreadAbortException)
{
Thread.ResetAbort();
}
catch (Exception ex)
{
m_log.Error("[LLUDPSERVER]: Error in the incoming packet handler loop: " + ex.Message, ex);
}
@@ -2025,7 +2000,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
Scene.ThreadAlive(2);
try
{
m_packetSent = false;
@@ -2080,7 +2054,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
else if (!m_packetSent)
// Thread.Sleep((int)TickCountResolution); outch this is bad on linux
Thread.Sleep(15); // match the 16ms of windows7, dont ask 16 or win may decide to do 32ms.
Thread.Sleep(15); // match the 16ms of windows, dont ask 16 or win may decide to do 32ms.
Watchdog.UpdateThread();
}
@@ -2104,14 +2078,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
if (udpClient.IsConnected)
{
if (m_resendUnacked)
if (client.IsActive && m_resendUnacked)
HandleUnacked(llClient);
if (m_sendAcks)
SendAcks(udpClient);
if (client.IsActive)
{
if (m_sendAcks)
SendAcks(udpClient);
if (m_sendPing)
SendPing(udpClient);
if (m_sendPing)
SendPing(udpClient);
}
// Dequeue any outgoing packets that are within the throttle limits
if (udpClient.DequeueOutgoing())
@@ -2124,7 +2101,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
m_log.Error(
string.Format("[LLUDPSERVER]: OutgoingPacketHandler iteration for {0} threw ", client.Name), ex);
}
client = null;
}
#region Emergency Monitoring

37
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServerCommands.cs
View File

@@ -777,41 +777,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
m_udpServer.StopOutbound();
}
private void HandlePoolCommand(string module, string[] args)
{
if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_udpServer.Scene)
return;
if (args.Length != 4)
{
MainConsole.Instance.Output("Usage: debug lludp pool <on|off>");
return;
}
string enabled = args[3];
if (enabled == "on")
{
if (m_udpServer.EnablePools())
{
m_udpServer.EnablePoolStats();
MainConsole.Instance.OutputFormat("Packet pools enabled on {0}", m_udpServer.Scene.Name);
}
}
else if (enabled == "off")
{
if (m_udpServer.DisablePools())
{
m_udpServer.DisablePoolStats();
MainConsole.Instance.OutputFormat("Packet pools disabled on {0}", m_udpServer.Scene.Name);
}
}
else
{
MainConsole.Instance.Output("Usage: debug lludp pool <on|off>");
}
}
private void HandleAgentUpdateCommand(string module, string[] args)
{
if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_udpServer.Scene)
@@ -834,8 +799,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
MainConsole.Instance.OutputFormat(
"OUT LLUDP packet processing for {0} is {1}", m_udpServer.Scene.Name, m_udpServer.IsRunningOutbound ? "enabled" : "disabled");
MainConsole.Instance.OutputFormat("LLUDP pools in {0} are {1}", m_udpServer.Scene.Name, m_udpServer.UsePools ? "on" : "off");
MainConsole.Instance.OutputFormat(
"Packet debug level for new clients is {0}", m_udpServer.DefaultClientPacketDebugLevel);
}

279
OpenSim/Region/ClientStack/Linden/UDP/LLUDPZeroEncoder.cs Normal file
View File

@@ -0,0 +1,279 @@
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using OpenSim.Framework;
using Nini.Config;
using OpenMetaverse;
namespace OpenSim.Region.ClientStack.LindenUDP
{
public sealed class LLUDPZeroEncoder
{
private byte[] m_tmp = new byte[16];
private byte[] m_dest;
private int zerocount;
private int pos;
public LLUDPZeroEncoder()
{
}
public LLUDPZeroEncoder(byte[] data)
{
m_dest = data;
zerocount = 0;
}
public byte[] Data
{
get
{
return m_dest;
}
set
{
m_dest = value;
}
}
public int ZeroCount
{
get
{
return zerocount;
}
set
{
zerocount = value;
}
}
public int Position
{
get
{
return pos;
}
set
{
pos = value;
}
}
public unsafe void AddZeros(int len)
{
zerocount += len;
while (zerocount > 255)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = 0xff;
zerocount -= 256;
}
}
public unsafe int Finish()
{
if(zerocount > 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = (byte)zerocount;
}
return pos;
}
public unsafe void AddBytes(byte[] src, int srclen)
{
for (int i = 0; i < srclen; ++i)
{
if (src[i] == 0x00)
{
zerocount++;
if (zerocount == 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = 0xff;
zerocount++;
}
}
else
{
if (zerocount != 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = (byte)zerocount;
zerocount = 0;
}
m_dest[pos++] = src[i];
}
}
}
public unsafe void AddByte(byte v)
{
if (v == 0x00)
{
zerocount++;
if (zerocount == 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = 0xff;
zerocount++;
}
}
else
{
if (zerocount != 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = (byte)zerocount;
zerocount = 0;
}
m_dest[pos++] = v;
}
}
public void AddInt16(short v)
{
if (v == 0)
AddZeros(2);
else
{
Utils.Int16ToBytes(v, m_tmp, 0);
AddBytes(m_tmp, 2);
}
}
public void AddUInt16(ushort v)
{
if (v == 0)
AddZeros(2);
else
{
Utils.UInt16ToBytes(v, m_tmp, 0);
AddBytes(m_tmp, 2);
}
}
public void AddInt(int v)
{
if (v == 0)
AddZeros(4);
else
{
Utils.IntToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 4);
}
}
public unsafe void AddUInt(uint v)
{
if (v == 0)
AddZeros(4);
else
{
Utils.UIntToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 4);
}
}
public void AddFloatToUInt16(float v, float range)
{
Utils.FloatToUInt16Bytes(v, range, m_tmp, 0);
AddBytes(m_tmp, 2);
}
public void AddFloat(float v)
{
if (v == 0f)
AddZeros(4);
else
{
Utils.FloatToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 4);
}
}
public void AddInt64(long v)
{
if (v == 0)
AddZeros(8);
else
{
Utils.Int64ToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 8);
}
}
public void AddUInt64(ulong v)
{
if (v == 0)
AddZeros(8);
else
{
Utils.UInt64ToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 8);
}
}
public void AddVector3(Vector3 v)
{
if (v == Vector3.Zero)
AddZeros(12);
else
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 12);
}
}
public void AddVector4(Vector4 v)
{
if (v == Vector4.Zero)
AddZeros(16);
else
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 16);
}
}
public void AddNormQuat(Quaternion v)
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 12);
}
public void AddUUID(UUID v)
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 16);
}
}
}

184
OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs
View File

@@ -26,6 +26,7 @@
*/
using System;
using System.Collections.Concurrent;
using System.Net;
using System.Net.Sockets;
using System.Threading;
@@ -57,15 +58,9 @@ namespace OpenMetaverse
/// <summary>UDP socket, used in either client or server mode</summary>
private Socket m_udpSocket;
/// <summary>
/// Are we to use object pool(s) to reduce memory churn when receiving data?
/// </summary>
public bool UsePools { get; protected set; }
/// <summary>
/// Pool to use for handling data. May be null if UsePools = false;
/// </summary>
protected OpenSim.Framework.Pool<UDPPacketBuffer> Pool { get; private set; }
public static Object m_udpBuffersPoolLock = new Object();
public static UDPPacketBuffer[] m_udpBuffersPool = new UDPPacketBuffer[1000];
public static int m_udpBuffersPoolPtr = -1;
/// <summary>Returns true if the server is currently listening for inbound packets, otherwise false</summary>
public bool IsRunningInbound { get; private set; }
@@ -186,6 +181,37 @@ namespace OpenMetaverse
if(m_udpSocket !=null)
try { m_udpSocket.Close(); } catch { }
}
public UDPPacketBuffer GetNewUDPBuffer(IPEndPoint remoteEndpoint)
{
lock (m_udpBuffersPoolLock)
{
if (m_udpBuffersPoolPtr >= 0)
{
UDPPacketBuffer buf = m_udpBuffersPool[m_udpBuffersPoolPtr];
m_udpBuffersPool[m_udpBuffersPoolPtr] = null;
m_udpBuffersPoolPtr--;
buf.RemoteEndPoint = remoteEndpoint;
return buf;
}
}
return new UDPPacketBuffer(remoteEndpoint);
}
public void FreeUDPBuffer(UDPPacketBuffer buf)
{
lock (m_udpBuffersPoolLock)
{
if (m_udpBuffersPoolPtr < 999)
{
buf.RemoteEndPoint = null;
buf.DataLength = 0;
m_udpBuffersPoolPtr++;
m_udpBuffersPool[m_udpBuffersPoolPtr] = buf;
}
}
}
/// <summary>
/// Start inbound UDP packet handling.
/// </summary>
@@ -202,6 +228,7 @@ namespace OpenMetaverse
/// manner (not throwing an exception when the remote side resets the
/// connection). This call is ignored on Mono where the flag is not
/// necessary</remarks>
public virtual void StartInbound(int recvBufferSize)
{
if (!IsRunningInbound)
@@ -306,101 +333,55 @@ namespace OpenMetaverse
IsRunningOutbound = false;
}
public virtual bool EnablePools()
{
if (!UsePools)
{
Pool = new Pool<UDPPacketBuffer>(() => new UDPPacketBuffer(), 500);
UsePools = true;
return true;
}
return false;
}
public virtual bool DisablePools()
{
if (UsePools)
{
UsePools = false;
// We won't null out the pool to avoid a race condition with code that may be in the middle of using it.
return true;
}
return false;
}
private void AsyncBeginReceive()
{
UDPPacketBuffer buf;
if (!IsRunningInbound)
return;
// FIXME: Disabled for now as this causes issues with reused packet objects interfering with each other
// on Windows with m_asyncPacketHandling = true, though this has not been seen on Linux.
// Possibly some unexpected issue with fetching UDP data concurrently with multiple threads. Requires more investigation.
// if (UsePools)
// buf = Pool.GetObject();
// else
buf = new UDPPacketBuffer();
if (IsRunningInbound)
UDPPacketBuffer buf = GetNewUDPBuffer(new IPEndPoint(IPAddress.Any, 0)); // we need a fresh one here, for now at least
try
{
try
// kick off an async read
m_udpSocket.BeginReceiveFrom(
buf.Data,
0,
buf.Data.Length,
SocketFlags.None,
ref buf.RemoteEndPoint,
AsyncEndReceive,
buf);
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.ConnectionReset)
{
// kick off an async read
m_udpSocket.BeginReceiveFrom(
//wrappedBuffer.Instance.Data,
buf.Data,
0,
UDPPacketBuffer.BUFFER_SIZE,
SocketFlags.None,
ref buf.RemoteEndPoint,
AsyncEndReceive,
//wrappedBuffer);
buf);
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.ConnectionReset)
m_log.Warn("[UDPBASE]: SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + m_udpPort);
bool salvaged = false;
while (!salvaged)
{
m_log.Warn("[UDPBASE]: SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + m_udpPort);
bool salvaged = false;
while (!salvaged)
try
{
try
{
m_udpSocket.BeginReceiveFrom(
//wrappedBuffer.Instance.Data,
buf.Data,
0,
UDPPacketBuffer.BUFFER_SIZE,
SocketFlags.None,
ref buf.RemoteEndPoint,
AsyncEndReceive,
//wrappedBuffer);
buf);
salvaged = true;
}
catch (SocketException) { }
catch (ObjectDisposedException) { return; }
m_udpSocket.BeginReceiveFrom(
buf.Data,
0,
buf.Data.Length,
SocketFlags.None,
ref buf.RemoteEndPoint,
AsyncEndReceive,
buf);
salvaged = true;
}
m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort);
catch (SocketException) { }
catch (ObjectDisposedException) { return; }
}
m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort);
}
catch (ObjectDisposedException e)
{
m_log.Error(
string.Format("[UDPBASE]: Error processing UDP begin receive {0}. Exception ", UdpReceives), e);
}
catch (Exception e)
{
m_log.Error(
string.Format("[UDPBASE]: Error processing UDP begin receive {0}. Exception ", UdpReceives), e);
}
}
catch (Exception e)
{
m_log.Error(
string.Format("[UDPBASE]: Error processing UDP begin receive {0}. Exception ", UdpReceives), e);
}
}
@@ -453,11 +434,6 @@ namespace OpenMetaverse
UdpReceives, se.ErrorCode),
se);
}
catch (ObjectDisposedException e)
{
m_log.Error(
string.Format("[UDPBASE]: Error processing UDP end receive {0}. Exception ", UdpReceives), e);
}
catch (Exception e)
{
m_log.Error(
@@ -465,14 +441,12 @@ namespace OpenMetaverse
}
finally
{
// if (UsePools)
// Pool.ReturnObject(buffer);
AsyncBeginReceive();
}
}
}
/* not in use
public void AsyncBeginSend(UDPPacketBuffer buf)
{
// if (IsRunningOutbound)
@@ -511,9 +485,11 @@ namespace OpenMetaverse
catch (SocketException) { }
catch (ObjectDisposedException) { }
}
*/
public void SyncSend(UDPPacketBuffer buf)
{
if(buf.RemoteEndPoint == null)
return; // already expired
try
{
m_udpSocket.SendTo(
@@ -527,7 +503,7 @@ namespace OpenMetaverse
}
catch (SocketException e)
{
m_log.Warn("[UDPBASE]: sync send SocketException {0} " + e.Message);
m_log.WarnFormat("[UDPBASE]: sync send SocketException {0} {1}", buf.RemoteEndPoint, e.Message);
}
catch (ObjectDisposedException) { }
}

9
OpenSim/Region/ClientStack/Linden/UDP/ThrottleRates.cs
View File

@@ -66,9 +66,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// </summary>
public Int64 MinimumAdaptiveThrottleRate;
/// <summary>Amount of the texture throttle to steal for the task throttle</summary>
public double CannibalizeTextureRate;
public int ClientMaxRate;
public float BrustTime;
@@ -104,12 +101,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// AdaptiveThrottlesEnabled = throttleConfig.GetBoolean("enable_adaptive_throttles", false);
AdaptiveThrottlesEnabled = false;
MinimumAdaptiveThrottleRate = throttleConfig.GetInt("adaptive_throttle_min_bps", 32000);
// http textures do use udp bandwidth setting
// CannibalizeTextureRate = (double)throttleConfig.GetFloat("CannibalizeTextureRate", 0.0f);
// CannibalizeTextureRate = Util.Clamp<double>(CannibalizeTextureRate,0.0, 0.9);
CannibalizeTextureRate = 0f;
}
catch (Exception) { }
}

14
OpenSim/Region/ClientStack/Linden/UDP/UnackedPacketCollection.cs
View File

@@ -189,8 +189,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// Process all the pending adds
OutgoingPacket pendingAdd;
while (m_pendingAdds.TryDequeue(out pendingAdd))
{
if (pendingAdd != null)
m_packets[pendingAdd.SequenceNumber] = pendingAdd;
}
// Process all the pending removes, including updating statistics and round-trip times
PendingAck pendingAcknowledgement;
@@ -204,13 +206,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
m_packets.Remove(pendingAcknowledgement.SequenceNumber);
// Update stats
Interlocked.Add(ref ackedPacket.Client.UnackedBytes, -ackedPacket.Buffer.DataLength);
ackedPacket.Client.FreeUDPBuffer(ackedPacket.Buffer);
ackedPacket.Buffer = null;
// As with other network applications, assume that an acknowledged packet is an
// indication that the network can handle a little more load, speed up the transmission
ackedPacket.Client.FlowThrottle.AcknowledgePackets(1);
// Update stats
Interlocked.Add(ref ackedPacket.Client.UnackedBytes, -ackedPacket.Buffer.DataLength);
if (!pendingAcknowledgement.FromResend)
{
// Calculate the round-trip time for this packet and its ACK
@@ -244,6 +249,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// Update stats
Interlocked.Add(ref removedPacket.Client.UnackedBytes, -removedPacket.Buffer.DataLength);
removedPacket.Client.FreeUDPBuffer(removedPacket.Buffer);
removedPacket.Buffer = null;
}
}
}