"context"
	"fmt"
	"runtime"
	"sync/atomic"
	"testing"
	"time"
)

const (
	id     = "1234-5678"
	source = "main.go"
)

func testSimpleWriteLock(t *testing.T, duration time.Duration) (locked bool) {
	drwm1 := NewDRWMutex(ds, "simplelock")
	ctx1, cancel1 := context.WithCancel(t.Context())
	if !drwm1.GetRLock(ctx1, cancel1, id, source, Options{Timeout: time.Second}) {
		panic("Failed to acquire read lock")
	}

Наприклад, Ви можете додати власний заголовок `X-Process-Time`, який міститиме час у секундах, який витратився на обробку запиту та генерацію відповіді:

{* ../../docs_src/middleware/tutorial001.py hl[10,12:13] *}


/// tip | Підказка

	return false
}

// returns true if object was modified after givenTime.
func ifModifiedSince(objTime time.Time, givenTime time.Time) bool {
	// The Date-Modified header truncates sub-second precision, so
	// use mtime < t+1s instead of mtime <= t to check for unmodified.
	return !objTime.Before(givenTime.Add(1 * time.Second))
}

// canonicalizeETag returns ETag with leading and trailing double-quotes removed,
// if any present

	if isGroup {
		if store.getUsersSysType() == MinIOUsersSysType {
			g, ok := c.iamGroupsMap[name]
			if !ok {
				if err := store.loadGroup(context.Background(), name, c.iamGroupsMap); err != nil {
					return nil, time.Time{}, err
				}
				g, ok = c.iamGroupsMap[name]
				if !ok {
					return nil, time.Time{}, errNoSuchGroup
				}
			}

		s.XferRateSml.measure.updateExponentialMovingAverage(time.Now())
	}
}

// SRMetric captures replication metrics for a deployment
type SRMetric struct {
	DeploymentID  string             `json:"deploymentID"`
	Endpoint      string             `json:"endpoint"`
	TotalDowntime time.Duration      `json:"totalDowntime"`
	LastOnline    time.Time          `json:"lastOnline"`

type TargetReplicationResyncStatus struct {
	StartTime  time.Time `json:"startTime" msg:"st"`
	LastUpdate time.Time `json:"lastUpdated" msg:"lst"`
	// Resync ID assigned to this reset
	ResyncID string `json:"resyncID" msg:"id"`
	// ResyncBeforeDate - resync all objects created prior to this date
	ResyncBeforeDate time.Time `json:"resyncBeforeDate" msg:"rdt"`
	// Status of resync operation

    }
  }

  @Test fun `parse utc time`() {
    assertThat(Adapters.parseUtcTime("920521000000Z"))
      .isEqualTo(date("1992-05-21T00:00:00.000+0000").time)
    assertThat(Adapters.parseUtcTime("920622123421Z"))
      .isEqualTo(date("1992-06-22T12:34:21.000+0000").time)
    assertThat(Adapters.parseUtcTime("920722132100Z"))
      .isEqualTo(date("1992-07-22T13:21:00.000+0000").time)
  }

  /** Advances the ticker value by {@code time} in {@code timeUnit}. */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  @CanIgnoreReturnValue
  public FakeTicker advance(long time, TimeUnit timeUnit) {
    return advance(timeUnit.toNanos(time));
  }

  /** Advances the ticker value by {@code nanoseconds}. */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  @CanIgnoreReturnValue

import com.google.common.annotations.GwtCompatible;

/**
 * A time source; returns a time value representing the number of nanoseconds elapsed since some
 * fixed but arbitrary point in time. Note that most users should use {@link Stopwatch} instead of
 * interacting with this class directly.
 *
 * <p><b>Warning:</b> this interface can only be used to measure elapsed time, not wall time.
 *
 * @author Kevin Bourrillion

	var wsw wsWriter
	var lastSetDeadline time.Time

	// Helper to write everything in buf.
	// Return false if an error occurred and the connection is unusable.
	// Buffer will be reset empty when returning successfully.
	writeBuffer := func() (ok bool) {
		now := time.Now()
		// Only set write deadline once every second
		if now.Sub(lastSetDeadline) > time.Second {