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This commit is contained in:
Christien Rioux 2024-01-19 14:33:30 -05:00
parent 6e8ba551ad
commit b99e387dac
1 changed files with 29 additions and 2 deletions
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31
packages/veilid_support/lib/dht_support/src/dht_short_array.dart
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@ -29,8 +29,6 @@ class _DHTShortArrayCache {
}
}
xxxx add listening to head and linked records
class DHTShortArray {
DHTShortArray._({required DHTRecord headRecord})
: _headRecord = headRecord,
@ -610,4 +608,33 @@ class DHTShortArray {
Future<T> Function(T) update,
) =>
eventualUpdateItem(pos, protobufUpdate(fromBuffer, update));
Future<void> watch() async {
// Watch head and all linked records
try {
await [_headRecord.watch(), ..._head.linkedRecords.map((r) => r.watch())]
.wait;
} finally {
await [
_headRecord.cancelWatch(),
..._head.linkedRecords.map((r) => r.cancelWatch())
].wait;
}
}
Future<void> listen(
Future<void> Function() onChanged,
) async {
_headRecord.listen((update) => {
xxx
}
}
Future<void> cancelWatch() async {
// Watch head and all linked records
await _headRecord.cancelWatch();
for (final lr in _head.linkedRecords) {
await lr.cancelWatch();
}
}
}