"github.com/minio/minio/internal/bucket/bandwidth"
	"github.com/minio/minio/internal/logger"
)

// This file contains peer related notifications. For sending notifications to
// external systems, see event-notification.go

// NotificationSys - notification system.
type NotificationSys struct {
	peerClients    []*peerRESTClient // Excludes self
	allPeerClients []*peerRESTClient // Includes nil client for self
}

KEY:
audit_kafka[:name]  send audit logs to kafka endpoints

ARGS:
brokers*         (csv)       comma separated list of Kafka broker addresses
topic            (string)    Kafka topic used for bucket notifications
sasl_username    (string)    username for SASL/PLAIN or SASL/SCRAM authentication
sasl_password    (string)    password for SASL/PLAIN or SASL/SCRAM authentication

> NOTE: Bucket versioning is automatically enabled for all new and existing buckets on all replicated sites.

The following Bucket features will **not be replicated**, is designed to differ between sites:

- Bucket notification configuration
- Bucket lifecycle (ILM) configuration

## Pre-requisites

	cred, _, _ = getReqAccessKeyV4(r, region, serviceS3)
	if cred.AccessKey == "" {
		cred, _, _ = getReqAccessKeyV2(r)
	}
	return cred
}

// Extract request params to be sent with event notification.
func extractReqParams(r *http.Request) map[string]string {
	if r == nil {
		return nil
	}

	region := globalSite.Region
	cred := getReqAccessCred(r, region)

	principalID := cred.AccessKey

		return v, ok
	}
	return cache.iamUserPolicyMap.Load(name)
}

// GroupNotificationHandler - updates in-memory cache on notification of
// change (e.g. peer notification for object storage and etcd watch
// notification).
func (store *IAMStoreSys) GroupNotificationHandler(ctx context.Context, group string) error {
	cache := store.lock()
	defer store.unlock()

	if m.Flags&FlagSubroute != 0 {
		if len(h) < 32 {
			return nil, nil, fmt.Errorf("want subroute len 32, got %v", len(h))
		}
		subID := (*[32]byte)(h[len(h)-32:])
		sub = (*subHandlerID)(subID)
		// Add if more modifications to h is needed
		h = h[:len(h)-32]
	}
	return sub, h, nil
}

// setZeroPayloadFlag will clear or set the FlagPayloadIsZero if
// m.Payload is length 0, but not nil.

// This list should be kept alphabetically sorted, do not hastily edit.
var resourceList = []string{
	"acl",
	"cors",
	"delete",
	"encryption",
	"legal-hold",
	"lifecycle",
	"location",
	"logging",
	"notification",
	"partNumber",
	"policy",
	"requestPayment",
	"response-cache-control",
	"response-content-disposition",
	"response-content-encoding",
	"response-content-language",
	"response-content-type",

//     kmskey: "key-id" # match objects with KMS key-id (applicable only for sse-kms)
//   notify:
//     endpoint: "https://notify.endpoint" # notification endpoint to receive job status events
//     token: "Bearer xxxxx" # optional authentication token for the notification endpoint

//   retry:
//     attempts: 10 # number of retries for the job before giving up
//     delay: "500ms" # least amount of delay between each retry

| `minio_cluster_notification_current_send_in_progress` | `counter` | Number of concurrent async Send calls active to all targets                              |        |
| `minio_cluster_notification_events_errors_total`      | `counter` | Events that were failed to be sent to the targets                                        |        |

Note that transition event notification is a MinIO extension.

## Explore Further

- [MinIO | Golang Client API Reference](https://min.io/docs/minio/linux/developers/go/API.html)