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Commit 1121fd04 authored by Katherine Lai's avatar Katherine Lai
Browse files

floss: Parse manufacturer data as little endian 

Manufacturer data company identifier is little endian

Bug: 384014090
Tag: #floss
Test: Unit tests and manual with web bluetooth
Test: mmm packages/modules/Bluetooth
Flag: EXEMPT, floss change for ChromeOS only
Change-Id: I8bdeb49c60e796b9afd8f00ed431c901fe30b847
parent df807e50

system/gd/rust/linux/utils/src/adv_parser.rs

+3 −3
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ pub fn extract_service_data(bytes: &[u8]) -> HashMap<String, Vec<u8>> { 
pub fn extract_manufacturer_data(bytes: &[u8]) -> HashMap<u16, Vec<u8>> {

    iterate_adv_data(bytes, MANUFACTURER_SPECIFIC_DATA)

        .filter_map(|slice| {

            slice.get(0..2)?.try_into().ok().map(|be| (u16::from_be_bytes(be), slice[2..].to_vec()))

            slice.get(0..2)?.try_into().ok().map(|le| (u16::from_le_bytes(le), slice[2..].to_vec()))

        })

        .collect()

}
@@ -375,7 +375,7 @@ mod tests { 
            vec![4, MANUFACTURER_SPECIFIC_DATA, 0, 1, 2, 3, MANUFACTURER_SPECIFIC_DATA, 1, 2];

        let manufacturer_data = extract_manufacturer_data(payload.as_slice());

        assert_eq!(manufacturer_data.len(), 2);

        assert_eq!(manufacturer_data.get(&1), Some(&vec![2]));

        assert_eq!(manufacturer_data.get(&258), Some(&vec![]));

        assert_eq!(manufacturer_data.get(&256), Some(&vec![2]));

        assert_eq!(manufacturer_data.get(&513), Some(&vec![]));

    }

}