| Name | Lines of code | Maintainability | Test coverage |
| lib/pio/dhcp/boot_request_options.rb | 58 | A 0 mins | |
| lib/pio/open_flow10/actions.rb | 58 | A 0 mins | |
| lib/pio/options.rb | 58 | A 0 mins | |
| lib/pio/dhcp/optional_tlv.rb | 58 | A 0 mins | |
| lib/pio/open_flow13/hello.rb | 60 | A 0 mins | |
| lib/pio/dhcp/boot_reply_options.rb | 64 | A 0 mins | |
| lib/pio/open_flow13/nicira_reg_move.rb | 69 | A 0 mins | |
| lib/pio/mac.rb | 70 | A 0 mins | |
| lib/pio/ipv4_address.rb | 70 | A 0 mins | |
| lib/pio/dhcp/message.rb | 70 | A 0 mins | |
| lib/pio/dhcp/field_util.rb | 77 | A 2 hrs | |
| lib/pio/dhcp/dhcp_tlv_options.rb | 79 | A 0 mins | |
| lib/pio/ipv4_header.rb | 82 | A 0 mins | |
| lib/pio/open_flow/message.rb | 94 | A 35 mins | |
| lib/pio/open_flow13/flow_mod.rb | 104 | A 50 mins | |
| lib/pio/open_flow10/match.rb | 137 | A 1 hr | |
| lib/pio/open_flow13/match.rb | 927 | F 4 days |