Wallclock-aligned monotonic timestamp generator.

• Customizable scale|precision: nanosecond, microsecond, millisecond, second, custom
• Customizable start timestamp for monotonic continuation
• Generated timestamp drift from wall clock reporting

import "github.com/Flamefork/monostamp"

m := monostamp.New(
    monostamp.UnixMicro, // microsecond scale
    0,                   // start from wall clock timestamp
    monostamp.NewDriftReporter(
        1000,            // don't warn about drifts less than 1ms (1000 microseconds)
        10000000,        // don't warn more often than once per 10s (10M microseconds)
        func(generatedTS int64, clockTS int64) {
            log.Printf("warn: timestamp drifted by %dms", (generatedTS - clockTS)/1000)
        },
    ).Report,
)

m.Next() // 1686052801000000
m.Next() // 1686052801000001
m.Next() // 1686052801000002
time.Sleep(time.Second)
m.Next() // 1686052802000000
m.Next() // 1686052802000001

Copyright 2023 Ilia Ablamonov

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