// Creates new state maschine using cf configuration file or default
// configuration file if cf == "".
func NewStateMachine(cf string) (*StateMachine, error) {
//C.setDebug()
var config *C.INI_Section
if cf != "" {
cs := C.CString(cf)
defer C.free(unsafe.Pointer(cs))
if e := C.GSM_FindGammuRC(&config, cs); e != C.ERR_NONE {
return nil, Error{"FindGammuRC", e}
}
} else {
if e := C.GSM_FindGammuRC(&config, nil); e != C.ERR_NONE {
return nil, Error{"FindGammuRC", e}
}
}
defer C.INI_Free(config)
sm := new(StateMachine)
sm.g = C.GSM_AllocStateMachine()
if sm.g == nil {
panic("out of memory")
}
if e := C.GSM_ReadConfig(config, C.GSM_GetConfig(sm.g, 0), 0); e != C.ERR_NONE {
sm.free()
return nil, Error{"ReadConfig", e}
}
C.GSM_SetConfigNum(sm.g, 1)
sm.Timeout = 15 * time.Second
runtime.SetFinalizer(sm, (*StateMachine).free)
return sm, nil
}
// Reads configuration file
func (g *GSM) SetConfig(config string) (err error) {
path := C.CString(config)
defer C.free(unsafe.Pointer(path))
var cfg *C.INI_Section
defer C.INI_Free(cfg)
// find configuration file
e := C.GSM_FindGammuRC(&cfg, path)
if e != ERR_NONE {
err = errors.New(errorString(int(e)))
return
}
// read it
e = C.GSM_ReadConfig(cfg, C.GSM_GetConfig(g.sm, 0), 0)
if e != ERR_NONE {
err = errors.New(errorString(int(e)))
return
}
// we have one valid configuration
C.GSM_SetConfigNum(g.sm, 1)
return
}