ROS topics: Net Monitor#
Network Connection#
/diagnostics/net_monitor: Network Connection
[summary]
| level | message | 
|---|---|
| OK | OK | 
| WARN | no such device | 
[values]
| key | value (example) | 
|---|---|
| Network [0-9]: status | OK / no such device | 
| HDD [0-9]: name | wlp82s0 | 
Network Usage#
/diagnostics/net_monitor: Network Usage
[summary]
| level | message | 
|---|---|
| OK | OK | 
[values]
| key | value (example) | 
|---|---|
| Network [0-9]: status | OK | 
| Network [0-9]: interface name | wlp82s0 | 
| Network [0-9]: rx_usage | 0.00% | 
| Network [0-9]: tx_usage | 0.00% | 
| Network [0-9]: rx_traffic | 0.00 MB/s | 
| Network [0-9]: tx_traffic | 0.00 MB/s | 
| Network [0-9]: capacity | 400.0 MB/s | 
| Network [0-9]: mtu | 1500 | 
| Network [0-9]: rx_bytes | 58455228 | 
| Network [0-9]: rx_errors | 0 | 
| Network [0-9]: tx_bytes | 11069136 | 
| Network [0-9]: tx_errors | 0 | 
| Network [0-9]: collisions | 0 | 
Network Traffic#
/diagnostics/net_monitor: Network Traffic
[summary]
| level | message | 
|---|---|
| OK | OK | 
[values when specified program is detected]
| key | value (example) | 
|---|---|
| nethogs [0-9]: program | /lambda/greengrassSystemComponents/1384/999 | 
| nethogs [0-9]: sent (KB/Sec) | 1.13574 | 
| nethogs [0-9]: received (KB/Sec) | 0.261914 | 
[values when error is occurring]
| key | value (example) | 
|---|---|
| error | execve failed: No such file or directory | 
Network CRC Error#
/diagnostics/net_monitor: Network CRC Error
[summary]
| level | message | 
|---|---|
| OK | OK | 
| WARN | CRC error | 
[values]
| key | value (example) | 
|---|---|
| Network [0-9]: interface name | wlp82s0 | 
| Network [0-9]: total rx_crc_errors | 0 | 
| Network [0-9]: rx_crc_errors per unit time | 0 | 
IP Packet Reassembles Failed#
/diagnostics/net_monitor: IP Packet Reassembles Failed
[summary]
| level | message | 
|---|---|
| OK | OK | 
| WARN | reassembles failed | 
[values]
| key | value (example) | 
|---|---|
| total packet reassembles failed | 0 | 
| packet reassembles failed per unit time | 0 | 
UDP Buf Errors#
/diagnostics/net_monitor: UDP Buf Errors
[summary]
| level | message | 
|---|---|
| OK | OK | 
| WARN | UDP buf errors | 
[values]
| key | value (example) | 
|---|---|
| total UDP rcv buf errors | 0 | 
| UDP rcv buf errors per unit time | 0 | 
| total UDP snd buf errors | 0 | 
| UDP snd buf errors per unit time | 0 |