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Code Issues Releases Activity

Rev397-400 on google code; fixes to recycling and minor tweak to heartbeat calling when a disconnection occurs

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This commit is contained in:
Michael Lidgren
2015-01-25 16:05:49 +01:00
parent 4b7b53b36d
commit 5879fb641e
12 changed files with 56 additions and 49 deletions
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4
Lidgren.Network/NetConnection.Handshake.cs
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@@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace Lidgren.Network
{
@@ -160,7 +161,7 @@ namespace Lidgren.Network
om.Write(m_peerConfiguration.AppIdentifier);
om.Write(m_peer.m_uniqueIdentifier);
om.Write((float)now);
Interlocked.Increment(ref om.m_recyclingCount);
WriteLocalHail(om);
if (onLibraryThread)
@@ -184,6 +185,7 @@ namespace Lidgren.Network
NetOutgoingMessage om = m_peer.CreateMessage(reason);
om.m_messageType = NetMessageType.Disconnect;
Interlocked.Increment(ref om.m_recyclingCount);
if (onLibraryThread)
m_peer.SendLibrary(om, m_remoteEndPoint);
else

3
Lidgren.Network/NetConnection.cs
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@@ -313,6 +313,8 @@ namespace Lidgren.Network
m_sendBufferWritePtr = 0;
m_sendBufferNumMessages = 0;
}
Interlocked.Decrement(ref om.m_recyclingCount);
}
/// <summary>
@@ -367,7 +369,6 @@ namespace Lidgren.Network
}
else
{
switch (method)
{
case NetDeliveryMethod.Unreliable:

6
Lidgren.Network/NetNatIntroduction.cs
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@@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.Net;
using System.Threading;
namespace Lidgren.Network
{
@@ -23,6 +24,7 @@ namespace Lidgren.Network
msg.Write(hostInternal);
msg.Write(hostExternal);
msg.Write(token);
Interlocked.Increment(ref msg.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(clientExternal, msg));
// send message to host
@@ -32,6 +34,7 @@ namespace Lidgren.Network
msg.Write(clientInternal);
msg.Write(clientExternal);
msg.Write(token);
Interlocked.Increment(ref msg.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(hostExternal, msg));
}
@@ -63,6 +66,7 @@ namespace Lidgren.Network
punch.m_messageType = NetMessageType.NatPunchMessage;
punch.Write(hostByte);
punch.Write(token);
Interlocked.Increment(ref punch.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(remoteInternal, punch));
LogDebug("NAT punch sent to " + remoteInternal);
@@ -71,6 +75,7 @@ namespace Lidgren.Network
punch.m_messageType = NetMessageType.NatPunchMessage;
punch.Write(hostByte);
punch.Write(token);
Interlocked.Increment(ref punch.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(remoteExternal, punch));
LogDebug("NAT punch sent to " + remoteExternal);
@@ -107,6 +112,7 @@ namespace Lidgren.Network
punch.m_messageType = NetMessageType.NatPunchMessage;
punch.Write((byte)0);
punch.Write(token);
Interlocked.Increment(ref punch.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(senderEndPoint, punch));
}
}

4
Lidgren.Network/NetOutgoingMessage.cs
View File

@@ -30,7 +30,7 @@ namespace Lidgren.Network
{
internal NetMessageType m_messageType;
internal bool m_isSent;
internal int m_recyclingCount;
internal int m_recyclingCount; // when this reaches zero the message is ready to be recycled
internal int m_fragmentGroup; // which group of fragments ths belongs to
internal int m_fragmentGroupTotalBits; // total number of bits in this group
@@ -46,7 +46,7 @@ namespace Lidgren.Network
m_messageType = NetMessageType.LibraryError;
m_bitLength = 0;
m_isSent = false;
m_recyclingCount = 0;
NetException.Assert(m_recyclingCount == 0);
m_fragmentGroup = 0;
}

4
Lidgren.Network/NetPeer.Discovery.cs
View File

@@ -1,5 +1,6 @@
using System;
using System.Net;
using System.Threading;
namespace Lidgren.Network
{
@@ -12,6 +13,7 @@ namespace Lidgren.Network
{
NetOutgoingMessage om = CreateMessage(0);
om.m_messageType = NetMessageType.Discovery;
Interlocked.Increment(ref om.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(new IPEndPoint(IPAddress.Broadcast, serverPort), om));
}
@@ -34,6 +36,7 @@ namespace Lidgren.Network
{
NetOutgoingMessage om = CreateMessage(0);
om.m_messageType = NetMessageType.Discovery;
om.m_recyclingCount = 1;
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(endPoint, om));
}
@@ -54,6 +57,7 @@ namespace Lidgren.Network
throw new NetException("Cannot send discovery message larger than MTU (currently " + m_configuration.MaximumTransmissionUnit + " bytes)");
msg.m_messageType = NetMessageType.DiscoveryResponse;
Interlocked.Increment(ref msg.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(recipient, msg));
}
}

2
Lidgren.Network/NetPeer.Fragmentation.cs
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@@ -67,6 +67,8 @@ namespace Lidgren.Network
foreach (NetConnection recipient in recipients)
{
var res = recipient.EnqueueMessage(chunk, method, sequenceChannel);
if (res == NetSendResult.Dropped)
Interlocked.Decrement(ref chunk.m_recyclingCount);
if ((int)res > (int)retval)
retval = res; // return "worst" result
}

21
Lidgren.Network/NetPeer.Internal.cs
View File

@@ -339,10 +339,6 @@ namespace Lidgren.Network
// do handshake heartbeats
if ((m_frameCounter % 3) == 0)
{
if (m_handshakes.Count > 0)
{
lock (m_handshakes)
{
foreach (var kvp in m_handshakes)
{
@@ -367,8 +363,6 @@ namespace Lidgren.Network
}
}
}
}
}
#if DEBUG
SendDelayedPackets();
@@ -384,17 +378,17 @@ namespace Lidgren.Network
// do connection heartbeats
lock (m_connections)
{
foreach (NetConnection conn in m_connections)
for (int i = m_connections.Count - 1; i >= 0; i--)
{
var conn = m_connections[i];
conn.Heartbeat(now, m_frameCounter);
if (conn.m_status == NetConnectionStatus.Disconnected)
{
//
// remove connection
//
m_connections.Remove(conn);
m_connections.RemoveAt(i);
m_connectionLookup.Remove(conn.RemoteEndPoint);
break; // can't continue iteration here
}
}
}
@@ -406,13 +400,14 @@ namespace Lidgren.Network
{
NetOutgoingMessage om = unsent.Item2;
bool connReset;
int len = om.Encode(m_sendBuffer, 0, 0);
SendPacket(len, unsent.Item1, 1, out connReset);
Interlocked.Decrement(ref om.m_recyclingCount);
if (om.m_recyclingCount <= 0)
Recycle(om);
bool connReset;
SendPacket(len, unsent.Item1, 1, out connReset);
}
}
@@ -716,7 +711,6 @@ namespace Lidgren.Network
// Ok, start handshake!
NetConnection conn = new NetConnection(this, senderEndPoint);
conn.m_status = NetConnectionStatus.ReceivedInitiation;
lock(m_handshakes)
m_handshakes.Add(senderEndPoint, conn);
conn.ReceivedHandshake(now, tp, ptr, payloadByteLength);
return;
@@ -736,11 +730,8 @@ namespace Lidgren.Network
// LogDebug("Accepted connection " + conn);
conn.InitExpandMTU(NetTime.Now);
lock (m_handshakes)
{
if (m_handshakes.Remove(conn.m_remoteEndPoint) == false)
LogWarning("AcceptConnection called but m_handshakes did not contain it!");
}
lock (m_connections)
{

4
Lidgren.Network/NetPeer.MessagePools.cs
View File

@@ -123,6 +123,8 @@ namespace Lidgren.Network
if (m_outgoingMessagesPool == null || !m_outgoingMessagesPool.TryDequeue(out retval))
retval = new NetOutgoingMessage();
NetException.Assert(retval.m_recyclingCount == 0, "Wrong recycling count! Should be zero");
if (initialCapacity > 0)
retval.m_data = GetStorage(initialCapacity);
@@ -186,6 +188,8 @@ namespace Lidgren.Network
if (m_outgoingMessagesPool == null)
return;
NetException.Assert(msg.m_recyclingCount == 0, "Wrong recycling count! Should be zero");
NetException.Assert(m_outgoingMessagesPool.Contains(msg) == false, "Recyling already recycled message! Thread race?");
byte[] storage = msg.m_data;

11
Lidgren.Network/NetPeer.Send.cs
View File

@@ -107,11 +107,10 @@ namespace Lidgren.Network
NetException.Assert(sequenceChannel == 0, "Delivery method " + method + " cannot use sequence channels other than 0!");
if (msg.m_isSent)
throw new NetException("This message has already been sent! Use NetPeer.SendMessage() to send to multiple recipients efficiently");
msg.m_isSent = true;
int mtu = GetMTU(recipients);
msg.m_isSent = true;
int len = msg.GetEncodedSize();
if (len <= mtu)
{
@@ -124,7 +123,7 @@ namespace Lidgren.Network
continue;
}
NetSendResult res = conn.EnqueueMessage(msg, method, sequenceChannel);
if (res != NetSendResult.Queued && res != NetSendResult.Sent)
if (res == NetSendResult.Dropped)
Interlocked.Decrement(ref msg.m_recyclingCount);
}
}
@@ -151,13 +150,13 @@ namespace Lidgren.Network
if (msg.LengthBytes > m_configuration.MaximumTransmissionUnit)
throw new NetException("Unconnected messages too long! Must be shorter than NetConfiguration.MaximumTransmissionUnit (currently " + m_configuration.MaximumTransmissionUnit + ")");
msg.m_isSent = true;
msg.m_messageType = NetMessageType.Unconnected;
IPAddress adr = NetUtility.Resolve(host);
if (adr == null)
throw new NetException("Failed to resolve " + host);
msg.m_messageType = NetMessageType.Unconnected;
msg.m_isSent = true;
Interlocked.Increment(ref msg.m_recyclingCount);
m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(new IPEndPoint(adr, port), msg));
}

1
Lidgren.Network/NetPeer.cs
View File

@@ -306,7 +306,6 @@ namespace Lidgren.Network
conn.m_connectRequested = true;
conn.m_connectionInitiator = true;
lock(m_handshakes)
m_handshakes.Add(remoteEndPoint, conn);
return conn;

2
Lidgren.Network/NetReliableSenderChannel.cs
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@@ -139,7 +139,7 @@ namespace Lidgren.Network
if (storedMessage != null)
{
#endif
if (Interlocked.Decrement(ref storedMessage.m_recyclingCount) <= 0)
if (storedMessage.m_recyclingCount <= 0)
m_connection.m_peer.Recycle(storedMessage);
#if !DEBUG

3
Lidgren.Network/NetUnreliableSenderChannel.cs
View File

@@ -48,7 +48,7 @@ namespace Lidgren.Network
int left = GetAllowedSends();
if (queueLen > left || (message.LengthBytes > m_connection.m_currentMTU && m_connection.m_peerConfiguration.UnreliableSizeBehaviour == NetUnreliableSizeBehaviour.DropAboveMTU))
{
m_connection.Peer.Recycle(message);
// drop message
return NetSendResult.Dropped;
}
@@ -83,7 +83,6 @@ namespace Lidgren.Network
m_connection.QueueSendMessage(message, seqNr);
Interlocked.Decrement(ref message.m_recyclingCount);
if (message.m_recyclingCount <= 0)
m_connection.m_peer.Recycle(message);