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package hciconfig
import (
"errors"
"strings"
"github.com/muka/go-bluetooth/hw/linux/cmd"
)
// GetAdapters return the list of available adapters
func GetAdapters() ([]HCIConfigResult, error) {
out, err := cmd.Exec("hciconfig")
if err != nil {
return nil, err
}
if len(out) == 0 {
return nil, errors.New("hciconfig provided no response")
}
list := []HCIConfigResult{}
parts := strings.Split(out, "\nhci")
for i, el := range parts {
if i > 0 {
el = "hci" + el
}
cfg := parseControllerInfo(el)
list = append(list, cfg)
}
// log.Debugf("%++v", list)
return list, nil
}
// GetAdapter return an adapter
func GetAdapter(adapterID string) (*HCIConfigResult, error) {
h := NewHCIConfig(adapterID)
return h.Status()
}
// NewHCIConfig initialize a new HCIConfig
func NewHCIConfig(adapterID string) *HCIConfig {
return &HCIConfig{adapterID}
}
//HCIConfigResult contains details for an adapter
type HCIConfigResult struct {
AdapterID string
Enabled bool
Address string
Type string
Bus string
}
// HCIConfig an hciconfig command wrapper
type HCIConfig struct {
adapterID string
}
func parseControllerInfo(out string) HCIConfigResult {
cfg := HCIConfigResult{}
cfg.AdapterID = strings.Trim(out[:6], " \t:")
s := strings.Replace(out[6:], "\t", "", -1)
lines := strings.Split(s, "\n")
// var parts []string
for i, line := range lines {
if i > 2 {
break
}
if i == 2 {
pp := strings.Split(line, " ")
cfg.Enabled = (pp[0] == "UP")
continue
}
subparts := strings.Split(line, " ")
for _, subpart := range subparts {
pp := strings.Split(subpart, ": ")
switch pp[0] {
case "Type":
cfg.Type = pp[1]
continue
case "Bus":
cfg.Bus = pp[1]
continue
case "BD Address":
cfg.Address = pp[1]
continue
}
}
}
return cfg
}
//Status return status information for a hci device
func (h *HCIConfig) Status() (*HCIConfigResult, error) {
out, err := cmd.Exec("hciconfig", h.adapterID)
if err != nil {
return nil, err
}
cfg := parseControllerInfo(out)
return &cfg, nil
}
// Up Turn on an HCI device
func (h *HCIConfig) Up() (*HCIConfigResult, error) {
_, err := cmd.Exec("hciconfig", h.adapterID, "up")
if err != nil {
return nil, err
}
return h.Status()
}
// Down Turn down an HCI device
func (h *HCIConfig) Down() (*HCIConfigResult, error) {
_, err := cmd.Exec("hciconfig", h.adapterID, "down")
if err != nil {
return nil, err
}
return h.Status()
}
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