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// SPDX-License-Identifier: GPL-3.0-or-later
package openvpn_status_log
import (
"time"
)
func (o *OpenVPNStatusLog) collect() (map[string]int64, error) {
clients, err := parse(o.LogPath)
if err != nil {
return nil, err
}
mx := make(map[string]int64)
collectTotalStats(mx, clients)
if o.perUserMatcher != nil && numOfClients(clients) > 0 {
o.collectUsers(mx, clients)
}
return mx, nil
}
func collectTotalStats(mx map[string]int64, clients []clientInfo) {
var in, out int64
for _, c := range clients {
in += c.bytesReceived
out += c.bytesSent
}
mx["clients"] = numOfClients(clients)
mx["bytes_in"] = in
mx["bytes_out"] = out
}
func (o *OpenVPNStatusLog) collectUsers(mx map[string]int64, clients []clientInfo) {
now := time.Now().Unix()
for _, user := range clients {
name := user.commonName
if !o.perUserMatcher.MatchString(name) {
continue
}
if !o.collectedUsers[name] {
o.collectedUsers[name] = true
if err := o.addUserCharts(name); err != nil {
o.Warning(err)
}
}
mx[name+"_bytes_in"] = user.bytesReceived
mx[name+"_bytes_out"] = user.bytesSent
mx[name+"_connection_time"] = now - user.connectedSince
}
}
func numOfClients(clients []clientInfo) int64 {
var num int64
for _, v := range clients {
if v.commonName != "" && v.commonName != "UNDEF" {
num++
}
}
return num
}
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