Hi all,
I am wondering where is the framing code for the OpenFlow protocol.
I mean the OpenFlow talks to NOX through a reliable byte stream channel
(e.i. TCP or SSL).
So, there must be a model to buffer the received bytes from a OpenFlow
Switch, and returns a completed OpenFlow message when it has received enough
bytes.
Please see the comments, [1] [2], I added into the source code below:
in the file "noxcore/src/builtin":
bool
Conn::do_poll()
{
int error;
std::auto_ptr<Buffer> b(oconn->recv_openflow(error, false));
switch (error) {
case 0: {
datapathid dp_id = oconn->get_datapath_id();
// [2]
std::auto_ptr<Event> event(openflow_packet_to_event(dp_id, b));
if (event.get()) {
event_dispatcher.dispatch(*event);
}
return true;
}
... ...
}
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