IMBENJI.NET/SweepStore
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Add file locking for concurrent access in header.dart

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ImBenji
2025-11-23 05:51:00 +00:00
parent 4295d119d7
commit 6e226f402b
1 changed files with 14 additions and 0 deletions
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14
dart/lib/header.dart
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@@ -215,50 +215,64 @@ class SweepstoreWorkerTicket {
// Offset 0 - 4 bytes
int get identifier {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset, _baseOffset + 4);
_concurrencyHeader._header._file.setPositionSync(_baseOffset);
int id = _concurrencyHeader._header._file.readIntSync(4);
_concurrencyHeader._header._file.unlockSync(_baseOffset, _baseOffset + 4);
return id;
}
// Offset 4 - 4 bytes
int get workerHeartbeat {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset + 4, _baseOffset + 8);
_concurrencyHeader._header._file.setPositionSync(_baseOffset + 4);
int heartbeat = _concurrencyHeader._header._file.readIntSync(4);
_concurrencyHeader._header._file.unlockSync(_baseOffset + 4, _baseOffset + 8);
return heartbeat;
}
// Offset 8 - 1 byte
SweepstoreTicketState get ticketState {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset + 8, _baseOffset + 9);
_concurrencyHeader._header._file.setPositionSync(_baseOffset + 8);
int stateValue = _concurrencyHeader._header._file.readIntSync(1);
_concurrencyHeader._header._file.unlockSync(_baseOffset + 8, _baseOffset + 9);
return SweepstoreTicketState.values[stateValue];
}
// Offset 9 - 1 byte
SweepstoreTicketOperation get ticketOperation {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset + 9, _baseOffset + 10);
_concurrencyHeader._header._file.setPositionSync(_baseOffset + 9);
int operationValue = _concurrencyHeader._header._file.readIntSync(1);
_concurrencyHeader._header._file.unlockSync(_baseOffset + 9, _baseOffset + 10);
return SweepstoreTicketOperation.values[operationValue];
}
// Offset 10 - 8 bytes
int get keyHash {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset + 10, _baseOffset + 18);
_concurrencyHeader._header._file.setPositionSync(_baseOffset + 10);
int hash = _concurrencyHeader._header._file.readIntSync(8);
_concurrencyHeader._header._file.unlockSync(_baseOffset + 10, _baseOffset + 18);
return hash;
}
// Offset 18 - 8 bytes
SweepstorePointer get writePointer {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset + 18, _baseOffset + 26);
_concurrencyHeader._header._file.setPositionSync(_baseOffset + 18);
int address = _concurrencyHeader._header._file.readIntSync(8);
_concurrencyHeader._header._file.unlockSync(_baseOffset + 18, _baseOffset + 26);
return SweepstorePointer(address);
}
// Offset 26 - 4 bytes
int get writeSize {
_concurrencyHeader._header._file.lockSync(FileLock.shared, _baseOffset + 26, _baseOffset + 30);
_concurrencyHeader._header._file.setPositionSync(_baseOffset + 26);
int size = _concurrencyHeader._header._file.readIntSync(4);
_concurrencyHeader._header._file.unlockSync(_baseOffset + 26, _baseOffset + 30);
return size;
}