| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package snmpsd |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | "sync" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/plugin/agent/discovery/sd/model" |
| 10 | "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/snmputils" |
| 11 | ) |
| 12 | |
| 13 | func targetSource(sub subnet) string { return fmt.Sprintf("discoverer=snmp,network=%s", subKey(sub)) } |
| 14 | |
| 15 | func newTargetGroup(sub subnet) *targetGroup { |
| 16 | return &targetGroup{ |
| 17 | provider: "sd:snmpdiscoverer", |
| 18 | source: targetSource(sub), |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | type targetGroup struct { |
| 23 | provider string |
| 24 | source string |
| 25 | mux sync.Mutex |
| 26 | targets []model.Target |
| 27 | } |
| 28 | |
| 29 | func (g *targetGroup) Provider() string { return g.provider } |
| 30 | func (g *targetGroup) Source() string { return g.source } |
| 31 | func (g *targetGroup) Targets() []model.Target { return g.targets } |
| 32 | |
| 33 | func (g *targetGroup) addTarget(tg model.Target) { |
| 34 | g.mux.Lock() |
| 35 | defer g.mux.Unlock() |
| 36 | g.targets = append(g.targets, tg) |
| 37 | } |
| 38 | |
| 39 | func newTarget(ip string, cred CredentialConfig, si snmputils.SysInfo) *target { |
| 40 | tg := &target{ |
| 41 | IPAddress: ip, |
| 42 | Credential: cred, |
| 43 | SysInfo: si, |
| 44 | } |
| 45 | |
| 46 | tg.hash, _ = model.CalcHash(tg) |
| 47 | |
| 48 | return tg |
| 49 | } |
| 50 | |
| 51 | type ( |
| 52 | target struct { |
| 53 | model.Base `hash:"ignore"` |
| 54 | hash uint64 |
| 55 | |
| 56 | IPAddress string |
| 57 | Credential CredentialConfig `hash:"ignore"` |
| 58 | SysInfo snmputils.SysInfo `hash:"ignore"` |
| 59 | } |
| 60 | ) |
| 61 | |
| 62 | func (t *target) TUID() string { return fmt.Sprintf("snmp_%s_%d", t.IPAddress, t.hash) } |
| 63 | func (t *target) Hash() uint64 { return t.hash } |