Add session length to Glean config object

Author: rosahbruno

glean/src/core/config.ts

@@ -55,6 +55,8 @@ export interface ConfigurationInterface {
   readonly enableAutoElementClickEvents?: boolean,
   // Experimentation identifier to be set in all pings
   experimentationId?: string,
+  // Allow the client to explicitly define the length of a session in MINUTES.
+  readonly sessionLengthInMinutesOverride?: number,
 }
 
 // Important: the `Configuration` should only be used internally by the Glean singleton.
@@ -69,6 +71,7 @@ export class Configuration implements ConfigurationInterface {
   readonly enableAutoPageLoadEvents?: boolean;
   readonly enableAutoElementClickEvents?: boolean;
   experimentationId?: string;
+  readonly sessionLengthInMinutesOverride?: number;
 
   // Debug configuration.
   debug: DebugOptions;
@@ -85,6 +88,7 @@ export class Configuration implements ConfigurationInterface {
     this.enableAutoPageLoadEvents = config?.enableAutoPageLoadEvents;
     this.enableAutoElementClickEvents = config?.enableAutoElementClickEvents;
     this.experimentationId = config?.experimentationId;
+    this.sessionLengthInMinutesOverride = config?.sessionLengthInMinutesOverride;
 
     this.debug = {};
 

glean/src/core/internal_metrics.ts

@@ -211,7 +211,7 @@ export class CoreMetrics {
     if (existingSessionId) {
       try {
         // If the session has timed out, then we create a new session.
-        if (isSessionInactive()) {
+        if (isSessionInactive(Context.config.sessionLengthInMinutesOverride)) {
           this.generateNewSession();
         }
       } catch (e) {