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Send datagram ack after Data

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--HG--
extra : convert_revision : svn%3A946a0da7-ebce-4904-9acb-2f1e67aed693%4091
This commit is contained in:
Ryan Kistner
2010-09-18 11:36:35 +00:00
parent b75a588fb6
commit 445a466f1a
1 changed files with 23 additions and 7 deletions
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30
SteamKit/Networking/Udp/UdpConnection.cs
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@@ -184,6 +184,20 @@ namespace SteamKit
SendData(clientMsgProto.Serialize(), ipAddr);
}
public void SendAck( IPEndPoint ipAddr )
{
UdpPacket packet = new UdpPacket(EUdpPacketType.Datagram);
packet.Header.SequenceThis = 0;
packet.Header.SequenceAcked = seqAcked;
packet.Header.DestinationConnID = remoteConnID;
packet.Header.PacketsInMsg = 0;
packet.Header.MsgStartSequence = 0;
byte[] packetData = packet.GetData();
udpSock.Send(packetData, ipAddr);
}
void RecvChallenge( UdpPacket udpPkt, IPEndPoint endPoint )
{
@@ -220,6 +234,14 @@ namespace SteamKit
void RecvData( UdpPacket udpPkt, IPEndPoint endPoint )
{
if (udpPkt.Header.SequenceThis <= seqAcked)
{
Console.WriteLine("duplicate packet seq " + udpPkt.Header.SequenceThis + " " + seqAcked);
//return;
}
SendAck( endPoint );
NetPacket netPacket = null;
if ( packetMap.ContainsKey( udpPkt.Header.MsgStartSequence ) )
@@ -252,7 +274,7 @@ namespace SteamKit
return;
}
if ( data.Length < 4 )
if ( data == null || data.Length < 4 )
return; // we need at least an EMsg
EMsg eMsg = ( EMsg )BitConverter.ToUInt32( data, 0 );
@@ -377,12 +399,6 @@ namespace SteamKit
if ( !udpPkt.IsValid )
return;
if (udpPkt.Header.SequenceThis <= seqAcked)
{
Console.WriteLine("ignoring packet seq " + udpPkt.Header.SequenceThis + " " + seqAcked);
return;
}
seqAcked = udpPkt.Header.SequenceThis;
switch ( udpPkt.Header.PacketType )