bool
Checksum::verify(const Packet &pkt) const {
if (!is_checksum_condition_met(pkt)) {
BMLOG_TRACE_PKT(
pkt, "Skipping checksum '{}' verification because condition not met",
get_name());
return true;
} else {
bool valid = verify_(pkt);
BMLOG_DEBUG_PKT(pkt, "Verifying checksum '{}': {}", get_name(), valid);
return valid;
}
}
void
Checksum::update(Packet *pkt) const {
// is it a good idea to put this in the implementation; should the deparser be
// aware that nothing was updated?
if (!is_checksum_condition_met(*pkt)) {
BMLOG_TRACE_PKT(
*pkt, "Skipping checksum '{}' update because condition not met",
get_name());
} else {
BMLOG_DEBUG_PKT(*pkt, "Updating checksum '{}'", get_name());
update_(pkt);
}
}
const ControlFlowNode *
MatchActionTable::operator()(Packet *pkt) const {
// TODO(antonin)
// this is temporary while we experiment with the debugger
DEBUGGER_NOTIFY_CTR(
Debugger::PacketId::make(pkt->get_packet_id(), pkt->get_copy_id()),
DBG_CTR_TABLE | get_id());
BMLOG_TRACE_PKT(*pkt, "Applying table '{}'", get_name());
const auto next = match_table->apply_action(pkt);
DEBUGGER_NOTIFY_CTR(
Debugger::PacketId::make(pkt->get_packet_id(), pkt->get_copy_id()),
DBG_CTR_EXIT(DBG_CTR_TABLE) | get_id());
return next;
}
