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|
package gatt
import (
"errors"
)
const (
DefaultMTU = 1024
)
type simDevice struct {
deviceHandler
s *Service
advertisedName string
}
func NewSimDeviceClient(service *Service, advertisedName string) *simDevice {
return &simDevice{
s: service,
advertisedName: advertisedName,
}
}
func (d *simDevice) Init(stateChanged func(Device, State)) error {
d.stateChanged = stateChanged
go stateChanged(d, StatePoweredOn)
return nil
}
func (d *simDevice) Advertise(a *AdvPacket) error {
return errors.New("Method not supported")
}
func (d *simDevice) AdvertiseNameAndServices(name string, ss []UUID) error {
return errors.New("Method not supported")
}
func (d *simDevice) AdvertiseIBeaconData(b []byte) error {
return errors.New("Method not supported")
}
func (d *simDevice) AdvertiseIBeacon(u UUID, major, minor uint16, pwr int8) error {
return errors.New("Method not supported")
}
func (d *simDevice) StopAdvertising() error {
return errors.New("Method not supported")
}
func (d *simDevice) RemoveAllServices() error {
return errors.New("Method not supported")
}
func (d *simDevice) AddService(s *Service) error {
return errors.New("Method not supported")
}
func (d *simDevice) SetServices(ss []*Service) error {
return errors.New("Method not supported")
}
func (d *simDevice) Scan(ss []UUID, dup bool) {
for _, s := range ss {
if s.Equal(d.s.UUID()) {
go d.peripheralDiscovered(
&simPeripheral{d},
&Advertisement{LocalName: d.advertisedName},
0,
)
}
}
}
func (d *simDevice) StopScanning() {
}
func (d *simDevice) Stop() error {
go d.stateChanged(d, StatePoweredOff)
return nil
}
func (d *simDevice) Connect(p Peripheral) {
go d.peripheralConnected(p, nil)
}
func (d *simDevice) CancelConnection(p Peripheral) {
go d.peripheralDisconnected(p, nil)
}
func (d *simDevice) Handle(hh ...Handler) {
for _, h := range hh {
h(d)
}
}
func (d *simDevice) Option(o ...Option) error {
return errors.New("Method not supported")
}
type simPeripheral struct {
d *simDevice
}
func (p *simPeripheral) Device() Device {
return p.d
}
func (p *simPeripheral) ID() string {
return "Sim ID"
}
func (p *simPeripheral) Name() string {
return "Sim"
}
func (p *simPeripheral) Services() []*Service {
return []*Service{p.d.s}
}
func (p *simPeripheral) DiscoverServices(ss []UUID) ([]*Service, error) {
for _, s := range ss {
if s.Equal(p.d.s.UUID()) {
return []*Service{p.d.s}, nil
}
}
return []*Service{}, nil
}
func (p *simPeripheral) DiscoverIncludedServices(ss []UUID, s *Service) ([]*Service, error) {
return nil, errors.New("Method not supported")
}
func (p *simPeripheral) DiscoverCharacteristics(cc []UUID, s *Service) ([]*Characteristic, error) {
requestedUUIDs := make(map[string]bool)
for _, c := range cc {
requestedUUIDs[c.String()] = true
}
foundChars := make([]*Characteristic, 0)
for _, c := range p.d.s.Characteristics() {
if _, present := requestedUUIDs[c.UUID().String()]; present {
foundChars = append(foundChars, c)
}
}
return foundChars, nil
}
func (p *simPeripheral) DiscoverDescriptors(d []UUID, c *Characteristic) ([]*Descriptor, error) {
return nil, errors.New("Method not supported")
}
func (p *simPeripheral) ReadCharacteristic(c *Characteristic) ([]byte, error) {
rhandler := c.GetReadHandler()
if rhandler != nil {
rsp := newResponseWriter(DefaultMTU)
req := &ReadRequest{}
rhandler.ServeRead(rsp, req)
return rsp.buf.Bytes(), nil
} else {
return nil, AttEcodeReadNotPerm
}
}
func (p *simPeripheral) ReadLongCharacteristic(c *Characteristic) ([]byte, error) {
return p.ReadCharacteristic(c)
}
func (p *simPeripheral) ReadDescriptor(d *Descriptor) ([]byte, error) {
return nil, errors.New("Method not supported")
}
func (p *simPeripheral) WriteCharacteristic(c *Characteristic, b []byte, noRsp bool) error {
whandler := c.GetWriteHandler()
if whandler != nil {
r := Request{}
if res := whandler.ServeWrite(r, b); res != 0 {
return AttEcode(res)
} else {
return nil
}
} else {
return AttEcodeWriteNotPerm
}
}
func (p *simPeripheral) WriteDescriptor(d *Descriptor, b []byte) error {
return errors.New("Method not supported")
}
func (p *simPeripheral) SetNotifyValue(c *Characteristic, f func(*Characteristic, []byte, error)) error {
return errors.New("Method not supported")
}
func (p *simPeripheral) SetIndicateValue(c *Characteristic, f func(*Characteristic, []byte, error)) error {
return errors.New("Method not supported")
}
func (p *simPeripheral) ReadRSSI() int {
return 0
}
func (p *simPeripheral) SetMTU(mtu uint16) error {
return errors.New("Method not supported")
}
|
