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