func (a ax25Addr) Digis() []Address {
digis := make([]Address, a.numDigis())
for i, digi := range a.digis() {
digis[i] = AddressFromString(C.GoString(C.ax25_ntoa(digi)))
}
return digis
}
// Heard returns all stations heard via the given axport.
//
// This function parses the content of MhardDataFile which
// is normally written by mheardd. The mheardd daemon must
// be running on the system to record heard stations.
func Heard(axPort string) (map[string]time.Time, error) {
var mheard C.struct_mheard_struct
f, err := os.Open(MheardDataFile)
if err != nil {
return nil, err
}
heard := make(map[string]time.Time)
for {
data := (*(*[999]byte)(unsafe.Pointer(&mheard)))[0:unsafe.Sizeof(mheard)]
if _, err := f.Read(data); err == io.EOF {
break
} else if err != nil {
return heard, err
}
port := C.GoString((*C.char)(unsafe.Pointer(&mheard.portname[0])))
if !strings.EqualFold(port, axPort) {
continue
}
from := (*C.ax25_address)(unsafe.Pointer(&mheard.from_call))
fromAddr := AddressFromString(C.GoString(C.ax25_ntoa(from)))
t := time.Unix(int64(mheard.last_heard), 0)
heard[fromAddr.String()] = t
}
return heard, f.Close()
}
func (a ax25Addr) Address() Address {
return AddressFromString(
C.GoString(C.ax25_ntoa(a.ax25_address())),
)
}