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Code Issues Releases Activity

global mutex on bind added

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lidgren
2018-10-20 10:53:23 +02:00
committed by GitHub
parent e26203f652
commit f9a56e4325
1 changed files with 49 additions and 48 deletions
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65
Lidgren.Network/NetPeer.Internal.cs
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@@ -69,7 +69,7 @@ namespace Lidgren.Network
return; return;
// remove all callbacks regardless of sync context // remove all callbacks regardless of sync context
m_receiveCallbacks.RemoveAll(tuple => tuple.Item2.Equals(callback)); m_receiveCallbacks.RemoveAll(tuple => tuple.Item2.Equals(callback));
if (m_receiveCallbacks.Count < 1) if (m_receiveCallbacks.Count < 1)
m_receiveCallbacks = null; m_receiveCallbacks = null;
@@ -116,40 +116,41 @@ namespace Lidgren.Network
} }
m_lastSocketBind = now; m_lastSocketBind = now;
if (m_socket == null) using (var mutex = new Mutex(false, "Global\\lidgrenSocketBind"))
m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
if (reBind)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, (int)1);
m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
m_socket.SendBufferSize = m_configuration.SendBufferSize;
m_socket.Blocking = false;
var ep = (EndPoint)new NetEndPoint(m_configuration.LocalAddress, reBind ? m_listenPort : m_configuration.Port);
m_socket.Bind(ep);
// try catch only works on linux not osx
try
{ {
// this is not supported in mono / mac or linux yet. try
if(Environment.OSVersion.Platform != PlatformID.Unix)
{ {
const uint IOC_IN = 0x80000000; mutex.WaitOne();
const uint IOC_VENDOR = 0x18000000;
uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12; if (m_socket == null)
m_socket.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null); m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
if (reBind)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, (int)1);
m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
m_socket.SendBufferSize = m_configuration.SendBufferSize;
m_socket.Blocking = false;
var ep = (EndPoint)new NetEndPoint(m_configuration.LocalAddress, reBind ? m_listenPort : m_configuration.Port);
m_socket.Bind(ep);
try
{
const uint IOC_IN = 0x80000000;
const uint IOC_VENDOR = 0x18000000;
uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
m_socket.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null);
}
catch
{
// ignore; SIO_UDP_CONNRESET not supported on this platform
}
}
finally
{
mutex.ReleaseMutex();
} }
else
{
LogDebug("Platform doesn't support SIO_UDP_CONNRESET");
}
}
catch (System.Exception e)
{
LogDebug("Platform doesn't support SIO_UDP_CONNRESET");
// this will be thrown on linux but not mac if it doesn't exist.
// ignore; SIO_UDP_CONNRESET not supported on this platform
} }
var boundEp = m_socket.LocalEndPoint as NetEndPoint; var boundEp = m_socket.LocalEndPoint as NetEndPoint;