public void apply(Parsed_packet headers_capture, ref Parsed_packet headers, P4ToCSharp.Library.error parseError, InControl inCtrl, out OutControl outCtrl)
{
outCtrl = new OutControl();
headers = headers_capture;
TopPipe_Args TopPipe_Args = new TopPipe_Args(this, headers, parseError, inCtrl, outCtrl);
if ((TopPipe_Args.parseError != error.NoError))
{
TopPipe_Args.Instance.Drop_action(TopPipe_Args);
return;
}
TopPipe_Args.Instance.ipv4_match.apply(TopPipe_Args);
if ((TopPipe_Args.outCtrl.outputPort == DROP_PORT))
{
return;
}
TopPipe_Args.Instance.check_ttl.apply(TopPipe_Args);
if ((TopPipe_Args.outCtrl.outputPort == CPU_OUT_PORT))
{
return;
}
TopPipe_Args.Instance.dmac.apply(TopPipe_Args);
if ((TopPipe_Args.outCtrl.outputPort == DROP_PORT))
{
return;
}
TopPipe_Args.Instance.smac.apply(TopPipe_Args);
}
public override void process_packet(int in_port, byte[] packet_data)
{
// Provided by the user - NOT generated
var inCtrl = new InControl()
{
inputPort = (PortId)in_port
};
var outCtrl = new OutControl();
packet_in packetIn = new packet_in(packet_data);
H headers = null; // FIXME is this okay?
error err = error.NoError;
try
{
p.apply(packetIn, out headers); // FIXME where does the error come from? Catch?
} catch (error ex)
{
err = ex;
}
map.apply(ref headers, err, inCtrl, out outCtrl);
packet_out packetOut = new packet_out();
d.apply(ref headers, packetOut);
this.send_packet((int)outCtrl.outputPort, packetOut.RawData, packetOut.Length);
}
} // out
public TopPipe_Args(Parsed_packet headers, core.error parseError, InControl inCtrl, OutControl outCtrl)
{
this.headers = headers;
this.parseError = parseError;
this.inCtrl = inCtrl;
this.outCtrl = outCtrl;
}
public TopPipe_Args(TopPipe Instance, Parsed_packet headers, P4ToCSharp.Library.error parseError, InControl inCtrl, OutControl outCtrl)
{
this.Instance = Instance;
this.headers = headers;
this.parseError = parseError;
this.inCtrl = inCtrl;
this.outCtrl = outCtrl;
}
public void apply(ref Parsed_packet headers,
core.error parseError, // parser error
InControl inCtrl, // input port
out OutControl outCtrl)
{
outCtrl = new OutControl(); // NOTE instantiate all out params to satisfy csc
TopPipe_Args args = new TopPipe_Args(headers, parseError, inCtrl, outCtrl);
IPv4Address nextHop = new IPv4Address(); // Have to instantiate ref params, more compact than using out params and instantiating at bottom
if (parseError != error.NoError)
{
Drop_action(args);
return;
}
ipv4_match.apply(args, ref nextHop);
if (args.outCtrl.outputPort == DROP_PORT)
{
return;
}
check_ttl.apply(args);
if (args.outCtrl.outputPort == CPU_OUT_PORT)
{
return;
}
dmac.apply(args, nextHop);
if (args.outCtrl.outputPort == DROP_PORT)
{
return;
}
smac.apply(args);
// Copy params back out
headers = args.headers;
outCtrl = args.outCtrl;
}
