/
hcitool.go
69 lines (51 loc) · 1.11 KB
/
hcitool.go
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package hcitool
import (
"regexp"
"strings"
"github.com/muka/go-bluetooth/hw/linux/cmd"
)
type HcitoolDev struct {
ID string
Address string
}
// GetAdapter Return an adapter using hcitool as backend
func GetAdapter(adapterID string) (*HcitoolDev, error) {
list, err := GetAdapters()
if err != nil {
return nil, err
}
for _, a := range list {
if a.ID == adapterID {
return a, nil
}
}
return nil, nil
}
// GetAdapters Return a list of adapters using hcitool as backend
func GetAdapters() ([]*HcitoolDev, error) {
list := make([]*HcitoolDev, 0)
raw, err := cmd.Exec("hcitool", "dev")
if err != nil {
return nil, err
}
// raw:
// Devices:
// hci1 70:C9:4E:58:AA:7E
lines := strings.Split(raw, "\n")
lines = lines[1:]
// hci1 70:C9:4E:58:AA:7E
re1 := regexp.MustCompile("^[ \t]*([a-zA-Z0-9]+)[ \t]*([a-zA-Z0-9:]+)$")
for i := 0; i < len(lines); i++ {
if !re1.MatchString(lines[i]) {
continue
}
el := new(HcitoolDev)
res := re1.FindStringSubmatch(lines[i])
if len(res) > 1 {
el.ID = res[1]
el.Address = res[2]
list = append(list, el)
}
}
return list, nil
}