// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

var (
	// Disallow updating access times
	readMode = os.O_RDONLY | 0x40000 // O_NOATIME

	// Write with data sync only used only for `xl.meta` writes
	writeMode = 0x1000 // O_DSYNC

	// This is always set represent /dev/console target
	consoleTgt Target
)

// SystemTargets returns active targets.
// Returned slice may not be modified in any way.
func SystemTargets() []Target {
	swapSystemMuRW.RLock()
	defer swapSystemMuRW.RUnlock()

	res := systemTargets
	return res
}

// AuditTargets returns active audit targets.
// Returned slice may not be modified in any way.
func AuditTargets() []Target {

	"math/rand"
	"sync"
)

// lockedRandSource provides protected rand source, implements rand.Source interface.
type lockedRandSource struct {
	lk  sync.Mutex
	src rand.Source
}

// Int63 returns a non-negative pseudo-random 63-bit integer as an int64.
func (r *lockedRandSource) Int63() (n int64) {
	r.lk.Lock()
	n = r.src.Int63()
	r.lk.Unlock()
	return
}

	notificationEventsSkippedTotal    = "events_skipped_total"
)

var (
	notificationCurrentSendInProgressMD = NewCounterMD(notificationCurrentSendInProgress, "Number of concurrent async Send calls active to all targets")
	notificationEventsErrorsTotalMD     = NewCounterMD(notificationEventsErrorsTotal, "Events that were failed to be sent to the targets")

	return target.id
}

// Name - returns the Name of the target.
func (target *WebhookTarget) Name() string {
	return target.ID().String()
}

// IsActive - Return true if target is up and active
func (target *WebhookTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

// Store returns any underlying store if set.

MinIO server allows to throttle incoming requests:

- limit the number of active requests allowed across the cluster
- limit the wait duration for each request in the queue

These values are enabled using server's configuration or environment variables.

## Examples

### Configuring connection limit

> NOTE: make sure your AD/Windows user has write permissions to *D:\data* prior to using `credentialspec=`.

```powershell
docker run \

	totalFailedCount    MetricName = "total_failed_count"
	totalFailedBytes    MetricName = "total_failed_bytes"

	currActiveWorkers  MetricName = "current_active_workers"
	avgActiveWorkers   MetricName = "average_active_workers"
	maxActiveWorkers   MetricName = "max_active_workers"
	recentBacklogCount MetricName = "recent_backlog_count"
	currInQueueCount   MetricName = "last_minute_queued_count"

	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *KafkaTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *KafkaTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *KafkaTarget) isActive() (bool, error) {

	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *NATSTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *NATSTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *NATSTarget) isActive() (bool, error) {