kiosk-ops-sdk/com.sarastarquant.kioskops.sdk.observability.logging/FileSink

FileSink

class FileSink(val minLevel: LogLevel = LogLevel.INFO, maxLines: Int = 2000, includeTimestamps: Boolean = true) : LoggingSink

In-memory ring buffer logging sink with file persistence support.

Maintains a fixed-size circular buffer of log entries. Oldest entries are discarded when the buffer is full. Entries can be exported as formatted text.

Security (BSI APP.4.4.A3): Logs are stored in memory only and can be explicitly exported. No automatic disk persistence.

Thread Safety: Uses ConcurrentLinkedDeque for thread-safe operations.

Since

0.4.0

Constructors

FileSink

constructor(minLevel: LogLevel = LogLevel.INFO, maxLines: Int = 2000, includeTimestamps: Boolean = true)

Types

BufferStatistics

data class BufferStatistics(val totalEntries: Int, val maxCapacity: Int, val levelBreakdown: Map<LogLevel, Int>, val oldestTimestamp: Long?, val newestTimestamp: Long?)

Statistics about the log buffer.