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feat(NODE-5613): add awaited field to SDAM heartbeat events #3895

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Merged
merged 2 commits into from
Oct 17, 2023
Merged

feat(NODE-5613): add awaited field to SDAM heartbeat events #3895

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aeded23
feat(NODE-5613): add awaited to hearbeat started events
durran Oct 17, 2023
ad8174a
feat(NODE-5613): add to success and failed
durran Oct 17, 2023
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5 changes: 4 additions & 1 deletion src/sdam/events.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -132,10 +132,13 @@ export class TopologyClosedEvent {
export class ServerHeartbeatStartedEvent {
/** The connection id for the command */
connectionId: string;
/** Is true when using the streaming protocol. */
awaited: boolean;

/** @internal */
constructor(connectionId: string) {
constructor(connectionId: string, awaited: boolean) {
this.connectionId = connectionId;
this.awaited = awaited;
}
}

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11 changes: 7 additions & 4 deletions src/sdam/monitor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -209,7 +209,12 @@ function resetMonitorState(monitor: Monitor) {

function checkServer(monitor: Monitor, callback: Callback<Document | null>) {
let start = now();
monitor.emit(Server.SERVER_HEARTBEAT_STARTED, new ServerHeartbeatStartedEvent(monitor.address));
const topologyVersion = monitor[kServer].description.topologyVersion;
const isAwaitable = topologyVersion != null;
monitor.emit(
Server.SERVER_HEARTBEAT_STARTED,
new ServerHeartbeatStartedEvent(monitor.address, isAwaitable && topologyVersion != null)
);

function failureHandler(err: Error) {
monitor[kConnection]?.destroy({ force: true });
Expand Down Expand Up @@ -237,8 +242,6 @@ function checkServer(monitor: Monitor, callback: Callback<Document | null>) {
const { serverApi, helloOk } = connection;
const connectTimeoutMS = monitor.options.connectTimeoutMS;
const maxAwaitTimeMS = monitor.options.heartbeatFrequencyMS;
const topologyVersion = monitor[kServer].description.topologyVersion;
const isAwaitable = topologyVersion != null;

const cmd = {
[serverApi?.version || helloOk ? 'hello' : LEGACY_HELLO_COMMAND]: 1,
Expand Down Expand Up @@ -288,7 +291,7 @@ function checkServer(monitor: Monitor, callback: Callback<Document | null>) {
if (isAwaitable && hello.topologyVersion) {
monitor.emit(
Server.SERVER_HEARTBEAT_STARTED,
new ServerHeartbeatStartedEvent(monitor.address)
new ServerHeartbeatStartedEvent(monitor.address, true)
);
start = now();
} else {
Expand Down