71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
//go:generate ../../../tools/readme_config_includer/generator
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package netstat
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import (
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_ "embed"
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"fmt"
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"syscall"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/common/psutil"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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//go:embed sample.conf
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var sampleConfig string
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type NetStat struct {
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ps psutil.PS
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}
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func (*NetStat) SampleConfig() string {
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return sampleConfig
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}
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func (ns *NetStat) Gather(acc telegraf.Accumulator) error {
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netconns, err := ns.ps.NetConnections()
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if err != nil {
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return fmt.Errorf("error getting net connections info: %w", err)
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}
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counts := make(map[string]int)
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counts["UDP"] = 0
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// TODO: add family to tags or else
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tags := make(map[string]string)
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for _, netcon := range netconns {
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if netcon.Type == syscall.SOCK_DGRAM {
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counts["UDP"]++
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continue // UDP has no status
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}
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c, ok := counts[netcon.Status]
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if !ok {
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counts[netcon.Status] = 0
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}
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counts[netcon.Status] = c + 1
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}
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fields := map[string]interface{}{
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"tcp_established": counts["ESTABLISHED"],
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"tcp_syn_sent": counts["SYN_SENT"],
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"tcp_syn_recv": counts["SYN_RECV"],
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"tcp_fin_wait1": counts["FIN_WAIT1"],
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"tcp_fin_wait2": counts["FIN_WAIT2"],
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"tcp_time_wait": counts["TIME_WAIT"],
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"tcp_close": counts["CLOSE"],
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"tcp_close_wait": counts["CLOSE_WAIT"],
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"tcp_last_ack": counts["LAST_ACK"],
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"tcp_listen": counts["LISTEN"],
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"tcp_closing": counts["CLOSING"],
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"tcp_none": counts["NONE"],
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"udp_socket": counts["UDP"],
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}
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acc.AddFields("netstat", fields, tags)
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return nil
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}
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func init() {
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inputs.Add("netstat", func() telegraf.Input {
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return &NetStat{ps: psutil.NewSystemPS()}
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})
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}
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