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serviceData and manufacturerData support

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zakorgyula 2016-11-02 08:40:14 +01:00 • committed by Keith Yeung
parent bcf4184483
commit 1b1b07ef42
19 changed files with 830 additions and 83 deletions
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67
components/bluetooth/lib.rs
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@ -130,26 +130,63 @@ fn matches_filter(device: &BluetoothDevice, filter: &BluetoothScanfilter) -> boo
}
}
// Step 4.
// TODO: Implement get_manufacturer_data in device crate.
// if let Some(manufacturer_id) = filter.get_manufacturer_id() {
// if !device.get_manufacturer_data().contains_key(manufacturer_id) {
// return false;
// }
// }
//
// Step 5.
// TODO: Implement get_device_data in device crate.
// if !filter.get_service_data_uuid().is_empty() {
// if !device.get_service_data().contains_key(filter.get_service_data_uuid()) {
// return false;
// }
// }
// Step 4.
if let Some(ref manufacturer_data) = filter.get_manufacturer_data() {
let advertised_manufacturer_data = match device.get_manufacturer_data() {
Ok(data) => data,
Err(_) => return false,
};
for (ref id, &(ref prefix, ref mask)) in manufacturer_data.iter() {
if let Some(advertised_data) = advertised_manufacturer_data.get(id) {
if !data_filter_matches(advertised_data, prefix, mask) {
return false;
}
} else {
return false;
}
}
}
// Step 5.
if let Some(ref service_data) = filter.get_service_data() {
let advertised_service_data = match device.get_service_data() {
Ok(data) => data,
Err(_) => return false,
};
for (uuid, &(ref prefix, ref mask)) in service_data.iter() {
if let Some(advertised_data) = advertised_service_data.get(uuid.as_str()) {
if !data_filter_matches(advertised_data, prefix, mask) {
return false;
}
} else {
return false;
}
}
}
// Step 6.
true
}
// https://webbluetoothcg.github.io/web-bluetooth/#bluetoothdatafilterinit-matches
fn data_filter_matches(data: &[u8], prefix: &[u8], mask: &[u8]) -> bool {
// Step 1-2: No need to copy the bytes here.
// Step 3.
if data.len() < prefix.len() {
return false;
}
// Step 4.
for ((data, mask), prefix) in data.iter().zip(mask.iter()).zip(prefix.iter()) {
if data & mask != prefix & mask {
return false;
}
}
// Step 5.
true
}
fn matches_filters(device: &BluetoothDevice, filters: &BluetoothScanfilterSequence) -> bool {
if filters.has_empty_or_invalid_filter() {
return false;