/// <summary>
/// Remove a given number of tokens from the bucket
/// </summary>
/// <param name="amount">Number of tokens to remove from the bucket</param>
/// <param name="dripSucceeded">
/// True if tokens were added to the bucket
/// during this call, otherwise false
/// </param>
/// <returns>
/// True if the requested number of tokens were removed from
/// the bucket, otherwise false
/// </returns>
public bool RemoveTokens(int amount, out bool dripSucceeded)
{
if (maxBurst == 0)
{
dripSucceeded = true;
return(true);
}
dripSucceeded = Drip();
if (content - amount >= 0)
{
if (parent != null && !parent.RemoveTokens(amount))
{
return(false);
}
content -= amount;
return(true);
}
return(false);
}
/// <summary>
/// tries to send queued packets
/// </summary>
/// <remarks>
/// This function is only called from a synchronous loop in the
/// UDPServer so we don't need to bother making this thread safe
/// </remarks>
/// <returns>True if any packets were sent, otherwise false</returns>
public bool DequeueOutgoing(int MaxNPacks)
{
bool packetSent = false;
for (int i = 0; i < MaxNPacks; i++)
{
OutgoingPacket packet;
if (m_nextOutPacket != null)
{
packet = m_nextOutPacket;
if (m_throttle.RemoveTokens(packet.Buffer.DataLength))
{
// Send the packet
m_udpServer.SendPacketFinal(packet);
m_nextOutPacket = null;
packetSent = true;
}
}
// No dequeued packet waiting to be sent, try to pull one off
// this queue
else if (m_outbox.Dequeue(out packet))
{
MainConsole.Instance.Format(Level.All, AgentID + " - " + packet.Packet.Type);
// A packet was pulled off the queue. See if we have
// enough tokens in the bucket to send it out
if (packet.Category == ThrottleOutPacketType.OutBand ||
m_throttle.RemoveTokens(packet.Buffer.DataLength))
{
packetSent = true;
//Send the packet
PacketsCounts[(int)packet.Category] += packet.Packet.Length;
m_udpServer.SendPacketFinal(packet);
PacketsSent++;
}
else
{
m_nextOutPacket = packet;
break;
}
}
else
{
break;
}
}
if (packetSent)
{
if (m_throttle.MaxBurst < TotalRateRequested)
{
float tmp = m_throttle.MaxBurst * 1.005f;
m_throttle.DripRate = (int)tmp;
m_throttle.MaxBurst = (int)tmp;
}
}
if (m_nextOnQueueEmpty != 0 && Util.EnvironmentTickCountSubtract(m_nextOnQueueEmpty) >= 0)
{
// Use a value of 0 to signal that FireQueueEmpty is running
m_nextOnQueueEmpty = 0;
// Asynchronously run the callback
int ptmp = m_outbox.queues[MapCatsToPriority[(int)ThrottleOutPacketType.Task]].Count;
int atmp = m_outbox.queues[MapCatsToPriority[(int)ThrottleOutPacketType.AvatarInfo]].Count;
int ttmp = m_outbox.queues[MapCatsToPriority[(int)ThrottleOutPacketType.Texture]].Count;
int[] arg = { ptmp, atmp, ttmp };
Util.FireAndForget(FireQueueEmpty, arg);
}
return(packetSent);
}
