| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package openvpn_status_log |
| 4 | |
| 5 | import ( |
| 6 | "time" |
| 7 | ) |
| 8 | |
| 9 | func (c *Collector) collect() (map[string]int64, error) { |
| 10 | clients, err := parse(c.LogPath) |
| 11 | if err != nil { |
| 12 | return nil, err |
| 13 | } |
| 14 | |
| 15 | mx := make(map[string]int64) |
| 16 | |
| 17 | collectTotalStats(mx, clients) |
| 18 | |
| 19 | if c.perUserMatcher != nil && numOfClients(clients) > 0 { |
| 20 | c.collectUsers(mx, clients) |
| 21 | } |
| 22 | |
| 23 | return mx, nil |
| 24 | } |
| 25 | |
| 26 | func collectTotalStats(mx map[string]int64, clients []clientInfo) { |
| 27 | var in, out int64 |
| 28 | for _, c := range clients { |
| 29 | in += c.bytesReceived |
| 30 | out += c.bytesSent |
| 31 | } |
| 32 | mx["clients"] = numOfClients(clients) |
| 33 | mx["bytes_in"] = in |
| 34 | mx["bytes_out"] = out |
| 35 | } |
| 36 | |
| 37 | func (c *Collector) collectUsers(mx map[string]int64, clients []clientInfo) { |
| 38 | now := time.Now().Unix() |
| 39 | |
| 40 | for _, user := range clients { |
| 41 | name := user.commonName |
| 42 | if !c.perUserMatcher.MatchString(name) { |
| 43 | continue |
| 44 | } |
| 45 | if !c.collectedUsers[name] { |
| 46 | c.collectedUsers[name] = true |
| 47 | if err := c.addUserCharts(name); err != nil { |
| 48 | c.Warning(err) |
| 49 | } |
| 50 | } |
| 51 | mx[name+"_bytes_in"] = user.bytesReceived |
| 52 | mx[name+"_bytes_out"] = user.bytesSent |
| 53 | mx[name+"_connection_time"] = now - user.connectedSince |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | func numOfClients(clients []clientInfo) int64 { |
| 58 | var num int64 |
| 59 | for _, v := range clients { |
| 60 | if v.commonName != "" && v.commonName != "UNDEF" { |
| 61 | num++ |
| 62 | } |
| 63 | } |
| 64 | return num |
| 65 | } |