Method startServer

src/extension/sdk/dev_tools/manager.ts:540–607

()

	/// Starts the devtools server and returns the URL of the running app.
	private startServer(): Promise<string> {
		return new Promise<string>(async (resolve, reject) => {
			if (this.service) {
				try {
					await this.service.dispose();
					this.service = undefined;
					this.devtoolsUrl = undefined;
				} catch (e) {
					this.logger.error(e);
				}
			}
			const service = this.service = new DevToolsService(this.logger, this.context.workspaceContext, this.toolingDaemon, this.dartCapabilities);
			this.disposables.push(service);
			await service.connect();

			service.registerForServerStarted((n) => {
				// When a new debug session starts, we need to wait for its VM
				// Service, then register it with this server.
				if (this.debugCommands) {
					this.disposables.push(this.debugCommands.onDebugSessionVmServiceAvailable(async (session) => {
						if (session.vmServiceUri) {
							void service.vmRegister({ uri: session.vmServiceUri });
							// Also reconnect any orphaned DevTools views.
							await this.reconnectDisconnectedEmbeddedViews(session as DartDebugSessionInformation & { vmServiceUri: string });
						}
					}));
				}

				// And send any existing sessions we have.
				for (const session of debugSessions) {
					if (session.vmServiceUri)
						void service.vmRegister({ uri: session.vmServiceUri });
				}

				// Finally, trigger a check of extensions
				// For initial testing, extension recommendations are allow-list. This comes from config so it can be overridden
				// by the user to allow testing the whole flow before being shipped in the list.
				//
				// Adding "*" to the list allows all extension identifiers, useful for testing.
				setTimeout(async () => {
					try {
						await this.promptForExtensionRecommendations();
					} catch (e) {
						// This can fail if we're restarting/shutting down before it fires.
						const message = `Failed to check for extension recommendations: ${e}`;
						console.error(message);
						this.logger.error(message);
					}
				}, twentySecondsInMs).unref();

				portToBind = n.port;
				resolve(`http://${n.host}:${n.port}/`);
			});

			service.process?.on("close", async (code) => {
				this.devtoolsUrl = undefined;
				this.setNotStartedStatusBar();
				if (code && code !== 0 && !this.isShuttingDown) {