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Refine oversized packet handling as per jhurliman. Reallocate the buffer to 

actual packet size only for oversized packets.
0.6.8-post-fixes
Melanie 2009-11-04 23:12:56 +00:00
parent 58be90d2b1
commit b6ea7c26ac
1 changed files with 7 additions and 4 deletions
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11
OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
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@ -327,7 +327,7 @@ 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 + 1000 : 200;
int bufferSize = (dataLength > 180) ? LLUDPServer.MTU : 200;
UDPPacketBuffer buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, bufferSize);
@ -359,9 +359,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
else
{
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 + ". Dropping packet");
return;
bufferSize = dataLength;
buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, bufferSize);
// 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 + ". Dropping packet");
Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength);
}
}