private void Error(MemoryStream ms, OfpHeader header)
{
OfpErrorMsg error = new OfpErrorMsg(ms, header);
Debug.WriteLine($"[{_mac}] ERROR:{error.Type} - {error.GetErrorCode()}");
_log.Info($"[{_mac}] ERROR:{error.Type} - {error.GetErrorCode()}");
//Console.WriteLine($"[{_mac}] ERROR:{error.Type} - {error.GetErrorCode()}");
_controller.PluginSystem.Error(error, this);
}
private void Initialize(MemoryStream ms, OfpHeader header)
{
if (!_versionChecked)
{
_version = header.Version;
_versionChecked = true;
var reply = new OfpSwitchFeaturesRequest();
_log.Debug("Request for features");
//Console.WriteLine("Request for features");
Write(reply.ToByteArray());
}
else if (header.Type == OfpType.OFPT_FEATURES_REPLY)
{
OfpSwitchFeatures features = new OfpSwitchFeatures(ms, header);
_mac = features.DatapathId.GetPhysicalAddress();
_log.Info($"A switch connected - MAC={_mac}");
//Console.WriteLine($"A switch connected - MAC={_mac}");
foreach (var ofpPhyPort in features.Ports)
{
//Console.WriteLine($"\tPortNum={ofpPhyPort.PortNo} \tPortName={ofpPhyPort.Name} \tPortState={ofpPhyPort.State.ToString()}");
}
SwitchFeatures = features;
_featureChecked = true;
var reply = new OfpSwitchConfig(true);
reply.Flags = OfpConfigFlags.OFPC_FRAG_NORMAL;
reply.MissSendLen = 65535;
Write(reply.ToByteArray());
var reply2 = new OfpSwitchConfigRequest();
Write(reply2.ToByteArray());
}
else if (header.Type == OfpType.OFPT_GET_CONFIG_REPLY)
{
OfpSwitchConfig config = new OfpSwitchConfig(ms, header);
_log.Info($"[{_mac}] Config: Flag={config.Flags} MissSendLen={config.MissSendLen}");
//Console.WriteLine($"[{_mac}] Config: Flag={config.Flags} MissSendLen={config.MissSendLen}");
_configChecked = true;
return;
}
else if (header.Type == OfpType.OFPT_ECHO_REQUEST)
{
OfpEcho echo = new OfpEcho(ms, header);
_version = echo.Header.Version;
_versionChecked = true;
var reply = new OfpEcho(true);
reply.Data = echo.Data;
Write(reply.ToByteArray());
}
else if (header.Type == OfpType.OFPT_ERROR)
{
OfpErrorMsg error = new OfpErrorMsg(ms, header);
_log.Info($"[{_mac}] Error: type={error.Type.ToString()} code={error.GetErrorCode()}");
//Console.WriteLine($"[{_mac}] Error: type={error.Type.ToString()} code={error.GetErrorCode()}");
return;
}
else
{
return;
}
}