open-vault/vendor/github.com/shirou/gopsutil/net/net_unix.go

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2019-10-04 13:14:37 +00:00
// +build freebsd darwin
package net
import (
"context"
"strings"
"github.com/shirou/gopsutil/internal/common"
)
// Return a list of network connections opened.
func Connections(kind string) ([]ConnectionStat, error) {
return ConnectionsWithContext(context.Background(), kind)
}
func ConnectionsWithContext(ctx context.Context, kind string) ([]ConnectionStat, error) {
return ConnectionsPid(kind, 0)
}
// Return a list of network connections opened returning at most `max`
// connections for each running process.
func ConnectionsMax(kind string, max int) ([]ConnectionStat, error) {
return ConnectionsMaxWithContext(context.Background(), kind, max)
}
func ConnectionsMaxWithContext(ctx context.Context, kind string, max int) ([]ConnectionStat, error) {
return []ConnectionStat{}, common.ErrNotImplementedError
}
// Return a list of network connections opened by a process.
func ConnectionsPid(kind string, pid int32) ([]ConnectionStat, error) {
return ConnectionsPidWithContext(context.Background(), kind, pid)
}
func ConnectionsPidWithContext(ctx context.Context, kind string, pid int32) ([]ConnectionStat, error) {
var ret []ConnectionStat
args := []string{"-i"}
switch strings.ToLower(kind) {
default:
fallthrough
case "":
fallthrough
case "all":
fallthrough
case "inet":
args = append(args, "tcp", "-i", "udp")
case "inet4":
args = append(args, "4")
case "inet6":
args = append(args, "6")
case "tcp":
args = append(args, "tcp")
case "tcp4":
args = append(args, "4tcp")
case "tcp6":
args = append(args, "6tcp")
case "udp":
args = append(args, "udp")
case "udp4":
args = append(args, "6udp")
case "udp6":
args = append(args, "6udp")
case "unix":
args = []string{"-U"}
}
r, err := common.CallLsofWithContext(ctx, invoke, pid, args...)
if err != nil {
return nil, err
}
for _, rr := range r {
if strings.HasPrefix(rr, "COMMAND") {
continue
}
n, err := parseNetLine(rr)
if err != nil {
continue
}
ret = append(ret, n)
}
return ret, nil
}
// Return up to `max` network connections opened by a process.
func ConnectionsPidMax(kind string, pid int32, max int) ([]ConnectionStat, error) {
return ConnectionsPidMaxWithContext(context.Background(), kind, pid, max)
}
func ConnectionsPidMaxWithContext(ctx context.Context, kind string, pid int32, max int) ([]ConnectionStat, error) {
return []ConnectionStat{}, common.ErrNotImplementedError
}