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* Fix bug in LLPacketHandler where the tickcount when a packet was approximately sent was not being stored in the ack record 

* This meant that acks were being sent out every 250ms when the ack timer fired, rather than when they had actually aged past m_ResendTimeout
0.6.0-stable
Justin Clarke Casey 2008-10-01 17:18:20 +00:00
parent d009927194
commit 95a3d6372d
2 changed files with 21 additions and 9 deletions
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24
OpenSim/Region/ClientStack/LindenUDP/LLPacketHandler.cs
View File

@ -102,10 +102,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
//
private class AckData
{
public AckData(Packet packet, Object identifier)
public AckData(Packet packet, Object identifier, int tickCount)
{
Packet = packet;
Identifier = identifier;
TickCount = tickCount;
}
public Packet Packet;
@ -355,7 +356,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
// Resend the packet. Set the packet's tick count to
// now, and keep it marked as resent.
//
//m_log.DebugFormat(
// "[CLIENT]: Resending unacked packet number {0} after {1}ms",
// packet.Header.Sequence, now - data.TickCount);
packet.Header.Resent = true;
QueuePacket(packet, ThrottleOutPacketType.Resend,
data.Identifier);
@ -372,8 +376,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
if (!m_ReliableIsImportant || !packet.Header.Reliable)
{
if (!m_ImportantPackets.Contains(packet.Type))
{
m_NeedAck.Remove(packet.Header.Sequence);
//m_log.DebugFormat(
// "[CLIENT]: Discarding ack requirement for packet number {0}",
// packet.Header.Sequence);
}
TriggerOnPacketDrop(packet, data.Identifier);
continue;
@ -611,6 +621,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
lock (m_NeedAck)
{
//m_log.DebugFormat("[CLIENT]: Received ack for packet sequence number {0}", id);
if (!m_NeedAck.TryGetValue(id, out data))
return;
@ -691,7 +703,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
}
m_NeedAck.Add(key, new AckData(packet, null));
m_NeedAck.Add(key, new AckData(packet, null, System.Environment.TickCount));
}
m_Sequence = info.sequence;
@ -741,8 +753,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
Packet packet = item.Packet;
// Keep track of when this packet was sent out
item.TickCount = System.Environment.TickCount;
// Assign sequence number here to prevent out of order packets
if (packet.Header.Sequence == 0)
@ -755,8 +765,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
if (packet.Header.Reliable)
{
m_UnackedBytes += packet.ToBytes().Length;
// Keep track of when this packet was sent out
m_NeedAck[packet.Header.Sequence] = new AckData(packet,
item.Identifier);
item.Identifier, System.Environment.TickCount);
}
}
}

2
OpenSim/Region/ClientStack/LindenUDP/LLPacketServer.cs
View File

@ -137,7 +137,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
/// <summary>
///
/// Send a packet to the given circuit
/// </summary>
/// <param name="buffer"></param>
/// <param name="size"></param>