CbfPacketBuffer::packet_list CbfPacketBuffer::packets_to_send(Timestamp now)
{
packet_list packets;
// move all packets with expired timeout
for (auto it = m_nodes.begin(); it != m_nodes.end();) {
packet_type& packet = std::get<0>(*it);
CbfPacketMetaData& meta = std::get<1>(*it);
assert(packet.pdu);
if (!now.before(meta.timer_expiry())) {
units::Duration lifetime = packet.pdu->basic().lifetime.decode();
units::Duration queuetime { now - meta.buffered_since() };
m_stored -= length(packet);
if (queuetime < lifetime) {
packet.pdu->basic().lifetime.encode(lifetime - queuetime);
packets.push_back(std::move(packet));
}
it = m_nodes.erase(it);
} else {
++it;
}
}
return packets;
}
void delay_loop( unsigned long usec ) {
Timestamp end;
end.add( usec * 1e-6 );
Timestamp now;
while ( now.before( end ) ) {
now.setnow();
}
}
void CbfPacketMetaData::set_timeout(units::Duration timeout, Timestamp now)
{
assert(!now.before(m_buffered_since));
m_timer_expiry = now + Timestamp::duration_type(timeout);
}
