diff options
| -rw-r--r-- | etc/inc/captiveportal.inc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/etc/inc/captiveportal.inc b/etc/inc/captiveportal.inc index 064916b..9892fc6 100644 --- a/etc/inc/captiveportal.inc +++ b/etc/inc/captiveportal.inc @@ -992,6 +992,41 @@ function captiveportal_get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_ran } /** + * This function will calculate the traffic produced by a client + * based on its firewall rule + * + * Point of view: NAS + * + * Input means: from the client + * Output means: to the client + * + */ + +function getVolume($ruleno) { + + $volume = array(); + + // Initialize vars properly, since we don't want NULL vars + $volume['input_pkts'] = $volume['input_bytes'] = $volume['output_pkts'] = $volume['output_bytes'] = 0 ; + + // Ingress + exec("/sbin/ipfw show {$ruleno}", $ipfw); + preg_match("/(\d+)\s+(\d+)\s+(\d+)\s+.*/", $ipfw[0], $matches); + $volume['input_pkts'] = $matches[2]; + $volume['input_bytes'] = $matches[3]; + + // Flush internal buffer + unset($matches); + + // Outgress + preg_match("/(\d+)\s+(\d+)\s+(\d+)\s+.*/", $ipfw[1], $matches); + $volume['output_pkts'] = $matches[2]; + $volume['output_bytes'] = $matches[3]; + + return $volume; +} + +/** * Get the NAS-Identifier * * We will use our local hostname to make up the nas_id |
