func match(updatePtrs []mojom.Update_Pointer, lost bool, wants ...mojom.Advertisement) error {
updateMap := make(map[[internal.AdIdLen]uint8]mojom.Update)
updates := make([]mojom.Update, 0)
for _, ptr := range updatePtrs {
update := mojom.NewUpdateProxy(ptr, bindings.GetAsyncWaiter())
defer update.Close_Proxy()
id, _ := update.GetId()
updateMap[id] = update
updates = append(updates, update)
}
for _, want := range wants {
update := updateMap[*want.Id]
if update == nil {
break
}
if got, _ := update.IsLost(); got != lost {
break
}
if !updateEqual(update, want) {
break
}
delete(updateMap, *want.Id)
}
if len(updateMap) == 0 {
return nil
}
return fmt.Errorf("Match failed; got %v, but wanted %v", updatesToDebugString(updates), adsToDebugString(wants))
}
func (*scanHandler) OnUpdate(ptr discovery.Update_Pointer) error {
uProxy := discovery.NewUpdateProxy(ptr, bindings.GetAsyncWaiter())
defer uProxy.Close_Proxy()
tag := "Found"
if lost, _ := uProxy.IsLost(); lost {
tag = "Lost"
}
id, _ := uProxy.GetId()
interfaceName, _ := uProxy.GetInterfaceName()
addresses, _ := uProxy.GetAddresses()
attribute, _ := uProxy.GetAttribute("foo")
attachmentHandle, _ := uProxy.GetAttachment("bar")
_, attachment := attachmentHandle.ReadData(system.MOJO_READ_DATA_FLAG_NONE)
attachmentHandle.Close()
log.Printf("%s %x: {InterfaceName: %q, Addresses: %q, Attribute[\"foo\"]: %q, Attachment[\"bar\"]: 0x%x}", tag, id, interfaceName, addresses, attribute, attachment)
return nil
}