func (m *AllJoynMessenger) callRemoteMethod(message *C.AJ_Message, path, member string, arguments []interface{}) (err error) {
log.Printf("MSG: message.hdr=%p", message.hdr)
remote := m.bus.Object(m.dbusService, dbus.ObjectPath(path))
// log.Printf("%s Argument[0] %+v", member, reflect.ValueOf(arguments[0]).Type())
res := remote.Call(member, 0, arguments...)
if res.Err != nil {
log.Printf("Error calling dbus method (%s): %s", member, res.Err)
return res.Err
}
//pad := 4 - (int)(message.bodyBytes)%4
//C.WriteBytes((*C.AJ_Message)(message), nil, (C.size_t)(0), (C.size_t)(pad))
buf := new(bytes.Buffer)
buf.Write(make([]byte, (int)(message.bodyBytes)))
enc := ajmarshal.NewEncoderAtOffset(buf, (int)(message.bodyBytes), binary.LittleEndian)
pad, err := enc.Encode(res.Body...)
// log.Printf("Padding of the encoded buffer: %d", pad)
if err != nil {
log.Printf("Error encoding result: %s", err)
return err
}
/*
C.AJ_MarshalContainer((*C.AJ_Message)(message), (*C.AJ_Arg)(C.Get_Arg()), C.AJ_ARG_ARRAY)
C.AJ_MarshalArgs_cgo((*C.AJ_Message)(message), C.CString("{sv}"), C.CString("DeviceName"), C.CString("s"), C.CString("Golang-device"))
C.AJ_MarshalCloseContainer((*C.AJ_Message)(message), (*C.AJ_Arg)(C.Get_Arg()))
*/
//log.Printf("Encoded reply, len: %+v, %d", buf.Bytes(), buf.Len())
// log.Printf("Length before: %d", message.bodyBytes)
newBuf := buf.Bytes()[(int)(message.bodyBytes)+pad:]
//log.Printf("Buffer to write into AllJoyn: %+v, %d", newBuf, len(newBuf))
// hdr := message.hdr
// if hdr.flags&C.uint8_t(C.AJ_FLAG_ENCRYPTED) == 0 {
// hdr = nil
// } else {
// message.hdr.flags &= ^C.uint8_t(C.AJ_FLAG_ENCRYPTED)
// }
if len(newBuf) > 0 {
log.Printf("MSG: message.hdr=%p", message.hdr)
C.AJ_DeliverMsgPartial((*C.AJ_Message)(message), C.uint32_t(len(newBuf)))
log.Printf("MSG: message.hdr=%p", message.hdr)
C.AJ_MarshalRaw((*C.AJ_Message)(message), unsafe.Pointer(&newBuf[0]), C.size_t(len(newBuf)))
} else {
C.AJ_MarshalRaw((*C.AJ_Message)(message), unsafe.Pointer(&newBuf), C.size_t(0))
}
//log.Printf("New buff reply, len: %+v, %d", newBuf, len(newBuf))
// if hdr != nil {
// message.hdr = hdr
// message.hdr.flags &= ^C.uint8_t(C.AJ_FLAG_ENCRYPTED)
// }
log.Printf("MSG: message.hdr=%p", message.hdr)
return nil
}
func (a *AllJoynBridge) processSignals() {
// work on currently reveived signals only
// TODO:https://golang.org/doc/effective_go.html#leaky_buffer
signals := a.signals
a.signals = make(chan *dbus.Signal, 100)
close(signals)
// log.Printf("Processing signals: %d", len(signals))
for signal := range signals {
log.Printf("**** Incoming Signal: %+v", signal)
if a.processNotificationSignal(signal) {
continue
}
// get signal signature
sigIntrospect, msgId := a.findSignal(signal)
if msgId == 0 {
log.Printf("Could not find any matching service for signal: %+v", signal)
continue
}
log.Printf("%v", sigIntrospect)
if isSessionless(sigIntrospect) {
log.Printf("SESSIONLESS SIGNAL!")
var status C.AJ_Status = C.AJ_OK
msg := C.Get_AJ_Message()
status = C.AJ_MarshalSignal_cgo(msg, C.uint32_t(msgId), C.uint32_t(0), C.AJ_FLAG_SESSIONLESS, C.uint32_t(0))
log.Printf("**** AJ_MarshalSignal: %s", status)
if len(signal.Body) > 0 {
buf := new(bytes.Buffer)
buf.Write(make([]byte, (int)(msg.bodyBytes)))
enc := ajmarshal.NewEncoderAtOffset(buf, (int)(msg.bodyBytes), binary.LittleEndian)
pad, err := enc.Encode(signal.Body...)
if err != nil {
log.Printf("Error encoding result: %s", err)
continue
}
newBuf := buf.Bytes()[(int)(msg.bodyBytes)+pad:]
if len(newBuf) > 0 {
status = C.AJ_DeliverMsgPartial((*C.AJ_Message)(msg), C.uint32_t(len(newBuf)))
log.Printf("**** AJ_DeliverMsgPartial: %s", status)
status = C.AJ_MarshalRaw((*C.AJ_Message)(msg), unsafe.Pointer(&newBuf[0]), C.size_t(len(newBuf)))
} else {
status = C.AJ_MarshalRaw((*C.AJ_Message)(msg), unsafe.Pointer(&newBuf), C.size_t(0))
}
log.Printf("**** AJ_MarshalRaw: %s", status)
}
status = C.AJ_DeliverMsg((*C.AJ_Message)(msg))
log.Printf("**** AJ_DeliverMsg: %s", status)
status = C.AJ_CloseMsg((*C.AJ_Message)(msg))
log.Printf("**** AJ_CloseMsg: %s", status)
} else {
for _, sessionId := range a.sessions {
var status C.AJ_Status = C.AJ_OK
msg := C.Get_AJ_Message()
status = C.AJ_MarshalSignal_cgo(msg, C.uint32_t(msgId), C.uint32_t(sessionId), C.uint8_t(0), C.uint32_t(0))
log.Printf("**** AJ_MarshalSignal: %s", status)
if len(signal.Body) > 0 {
buf := new(bytes.Buffer)
buf.Write(make([]byte, (int)(msg.bodyBytes)))
enc := ajmarshal.NewEncoderAtOffset(buf, (int)(msg.bodyBytes), binary.LittleEndian)
pad, err := enc.Encode(signal.Body...)
if err != nil {
log.Printf("Error encoding result: %s", err)
continue
}
newBuf := buf.Bytes()[(int)(msg.bodyBytes)+pad:]
if len(newBuf) > 0 {
status = C.AJ_DeliverMsgPartial((*C.AJ_Message)(msg), C.uint32_t(len(newBuf)))
log.Printf("**** AJ_DeliverMsgPartial: %s", status)
status = C.AJ_MarshalRaw((*C.AJ_Message)(msg), unsafe.Pointer(&newBuf[0]), C.size_t(len(newBuf)))
} else {
status = C.AJ_MarshalRaw((*C.AJ_Message)(msg), unsafe.Pointer(&newBuf), C.size_t(0))
}
log.Printf("**** AJ_MarshalRaw: %s", status)
}
status = C.AJ_DeliverMsg((*C.AJ_Message)(msg))
log.Printf("**** AJ_DeliverMsg: %s", status)
status = C.AJ_CloseMsg((*C.AJ_Message)(msg))
log.Printf("**** AJ_CloseMsg: %s", status)
}
}
}
}