@Override
void processOFMessage(OFMessage m) throws IOException {
if (m.getType().equals(OFType.PACKET_IN)) {
log.warn(
"Ignoring PACKET_IN message from {} during OpenFlow channel establishment.",
channel.remoteAddress());
} else {
super.processOFMessage(m);
}
}
@Override
public void channelRead0(ChannelHandlerContext ctx, Iterable<OFMessage> msgList)
throws Exception {
for (OFMessage ofm : msgList) {
try {
// Do the actual packet processing
state.processOFMessage(ofm);
} catch (Exception ex) {
// We are the last handler in the stream, so run the
// exception through the channel again by passing in
// ctx.getChannel().
ctx.fireExceptionCaught(ex);
}
}
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
if (e.getMessage() instanceof List) {
@SuppressWarnings("unchecked")
List<OFMessage> msglist = (List<OFMessage>) e.getMessage();
for (OFMessage ofm : msglist) {
try {
// Do the actual packet processing
state.processOFMessage(ofm);
} catch (Exception ex) {
// We are the last handler in the stream, so run the
// exception through the channel again by passing in
// ctx.getChannel().
Channels.fireExceptionCaught(ctx.getChannel(), ex);
}
}
} else {
Channels.fireExceptionCaught(
ctx.getChannel(), new AssertionError("Message received from channel is not a list"));
}
}
