README.dev

Flows

DHCPv4 Packet incoming
 1. receive-nflog
 2. packet_cb
 3. dhcpv4_got_packet
 if REQ:
 4. add_req_if_not_found
 if ACK:
 4. updated_lease
 4.1 sendLease
 4.2 mysql_update_lease
 4.3 dhcp_update_ack
 4.3.1. add_ebtables
 4.3.2. update_timer

DHCP-ACK Timer
 1. check_expired_ack
 2. update_lease
 3. updated_lease (maybe)
 3.1 sendLease
 3.2 mysql_update_lease
 3.3 dhcp_update_ack
 3.3.1. add_ebtables
 3.3.2. update_timer
 4. del_ebtables

UDP packet incoming
 1. handle_udp_message
 2. update_lease
 3. is_local
 3.1 get_req_entry_wrp (DHCP REQ)
 3.2 get_fdb_entry_wrp
 4. updated_lease
 4.1 sendLease
 4.2 mysql_update_lease
 4.3 dhcp_update_ack
 4.3.1. add_ebtables
 4.3.2. update_timer

Learn new mac on bridge
 1. bridge_receive
 2. update_fdb / add_fdb_entry / get_fdb_entry
 3. lease_lookup_by_mac
 4. updated_lease
 4.1 sendLease
 4.2 mysql_update_lease
 4.3 dhcp_update_ack
 4.3.1. add_ebtables
 4.3.2. update_timer

MYSQL Timer
 1. mysql_remove_old_leases_from_db