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feat: add LXMF location envelope adapter

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torlando-agent[bot]
2026-08-07 01:23:28 +00:00
parent 3a4fef7168
commit cfe8615f9a
13 changed files with 582 additions and 15 deletions
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lib/tdeck_ui/Telemetry/LocationStateRecord.cpp
+6 -2
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@@ -11,6 +11,7 @@ namespace {
constexpr uint8_t MAGIC[4] = {'P', 'Y', 'L', 'S'};
constexpr uint8_t SESSION_HAS_EXPIRY = 0x01;
constexpr uint8_t SESSION_CEASE_PENDING = 0x02;
constexpr uint8_t SESSION_HAS_APPROX_RADIUS = 0x04;
constexpr uint8_t LOCATION_HAS_EXPIRY = 0x01;
uint16_t readU16(const uint8_t* data) {
@@ -131,7 +132,8 @@ void encodeSession(const ShareRestoreEntry& entry, uint8_t* output) {
std::memcpy(output, entry.peer.bytes, PEER_ID_SIZE);
output[16] = static_cast<uint8_t>(
(entry.record.has_expiry ? SESSION_HAS_EXPIRY : 0U) |
(entry.record.cease_pending ? SESSION_CEASE_PENDING : 0U));
(entry.record.cease_pending ? SESSION_CEASE_PENDING : 0U) |
(entry.record.has_approx_radius ? SESSION_HAS_APPROX_RADIUS : 0U));
output[17] = 0;
writeU32(output + 18, entry.record.cadence_millis);
writeI32(output + 22, entry.record.approx_radius_meters);
@@ -145,6 +147,8 @@ ShareRestoreEntry decodeSession(const uint8_t* data) {
entry.record.cease_pending = (data[16] & SESSION_CEASE_PENDING) != 0;
entry.record.cadence_millis = readU32(data + 18);
entry.record.approx_radius_meters = readI32(data + 22);
entry.record.has_approx_radius =
(data[16] & SESSION_HAS_APPROX_RADIUS) != 0;
entry.record.expires_at_millis = readU64(data + 26);
return entry;
}
@@ -193,7 +197,7 @@ LocationStateRecordResult validateEncodedRecords(
std::size_t location_count) {
for (std::size_t index = 0; index < session_count; ++index) {
const uint8_t* current = payload + index * LOCATION_STATE_SESSION_BYTES;
if ((current[16] & ~0x03U) != 0 || current[17] != 0) {
if ((current[16] & ~0x07U) != 0 || current[17] != 0) {
return LocationStateRecordResult::MALFORMED;
}
const ShareRestoreEntry entry = decodeSession(current);