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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | 475x 475x 475x 475x 475x 475x 475x 2421061x 2134182x 286879x 42386x | import type { Binary, Long, Timestamp } from '../bson';
import type { ClientSession } from '../sessions';
import type { Topology } from './topology';
// shared state names
export const STATE_CLOSING = 'closing';
export const STATE_CLOSED = 'closed';
export const STATE_CONNECTING = 'connecting';
export const STATE_CONNECTED = 'connected';
/**
* An enumeration of topology types we know about
* @public
*/
export const TopologyType = Object.freeze({
Single: 'Single',
ReplicaSetNoPrimary: 'ReplicaSetNoPrimary',
ReplicaSetWithPrimary: 'ReplicaSetWithPrimary',
Sharded: 'Sharded',
Unknown: 'Unknown',
LoadBalanced: 'LoadBalanced'
} as const);
/** @public */
export type TopologyType = (typeof TopologyType)[keyof typeof TopologyType];
/**
* An enumeration of server types we know about
* @public
*/
export const ServerType = Object.freeze({
Standalone: 'Standalone',
Mongos: 'Mongos',
PossiblePrimary: 'PossiblePrimary',
RSPrimary: 'RSPrimary',
RSSecondary: 'RSSecondary',
RSArbiter: 'RSArbiter',
RSOther: 'RSOther',
RSGhost: 'RSGhost',
Unknown: 'Unknown',
LoadBalancer: 'LoadBalancer'
} as const);
/** @public */
export type ServerType = (typeof ServerType)[keyof typeof ServerType];
/**
* @public
* Gossiped in component for the cluster time tracking the state of user databases
* across the cluster. It may optionally include a signature identifying the process that
* generated such a value.
*/
export interface ClusterTime {
clusterTime: Timestamp;
/** Used to validate the identity of a request or response's ClusterTime. */
signature?: {
hash: Binary;
keyId: Long;
};
}
/** Shared function to determine clusterTime for a given topology or session */
export function _advanceClusterTime(
entity: Topology | ClientSession,
$clusterTime: ClusterTime
): void {
if (entity.clusterTime == null) {
entity.clusterTime = $clusterTime;
} else {
if ($clusterTime.clusterTime.greaterThan(entity.clusterTime.clusterTime)) {
entity.clusterTime = $clusterTime;
}
}
}
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