internal void Listen(Socket so, Func <byte[], int, IPEndPoint, Task <bool> > socketListernCallback, Action <SocketError> errorcb)
{
#pragma warning disable CA2000 // Dispose objects before losing scope
var se = GetSocketAsyncEventArgs();
#pragma warning restore CA2000 // Dispose objects before losing scope
var ctx = new SocketRecvContext()
{
So = so,
Buffer = new byte[4096],
Offset = 0,
Count = 4096,
Callback = socketListernCallback,
ErrorCallback = errorcb
};
se.UserToken = ctx;
se.SetBuffer(ctx.Buffer, ctx.Offset, ctx.Count - ctx.Offset);
if (so.AddressFamily == AddressFamily.InterNetwork)
{
se.RemoteEndPoint = new IPEndPoint(IPAddress.Any, Definition.MulticastPort);
}
else
{
se.RemoteEndPoint = new IPEndPoint(IPAddress.IPv6Any, Definition.MulticastPort);
}
if (!so.ReceiveFromAsync(se))
{
Task.Run(() => {
Socket_Completed(null, se);
});
}
}
void ReceivMore(SocketRecvContext ctx, SocketAsyncEventArgs e)
{
try
{
e.UserToken = ctx;
//ctx.Buffer = new byte[4096];
e.SetBuffer(ctx.Buffer, 0, ctx.Buffer.Length);
if (ctx.So.AddressFamily == AddressFamily.InterNetwork)
{
e.RemoteEndPoint = new IPEndPoint(IPAddress.Any, Definition.MulticastPort);
}
else
{
e.RemoteEndPoint = new IPEndPoint(IPAddress.IPv6Any, Definition.MulticastPort);
}
if (!ctx.So.ReceiveFromAsync(e))
{
Task.Run(() => {
Socket_Completed(null, e);
});
}
}
catch (Exception exception)
{
logger.LogError(exception, "Exception in UdpMulticastServer.");
}
}
