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vscode-react-native/src/extension

src/extension/extensionServer.ts

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1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
4import * as Q from "q";
5import * as vscode from "vscode";
6import {MessagingHelper}from "../common/extensionMessaging";
7import {OutputChannelLogger} from "./log/OutputChannelLogger";
8import {Packager} from "../common/packager";
9import {ReactNativeProjectHelper} from "../common/reactNativeProjectHelper";
10import {LogCatMonitor} from "./android/logCatMonitor";
11import {FileSystem} from "../common/node/fileSystem";
12import {SettingsHelper} from "./settingsHelper";
13import {Telemetry} from "../common/telemetry";
14import {PlatformResolver} from "./platformResolver";
15import {TelemetryHelper} from "../common/telemetryHelper";
16import {ErrorHelper} from "../common/error/errorHelper";
17import {InternalErrorCode} from "../common/error/internalErrorCode";
18import {TargetPlatformHelper} from "../common/targetPlatformHelper";
19import {MobilePlatformDeps} from "./generalMobilePlatform";
20import {IRemoteExtension, OpenFileRequest} from "../common/remoteExtension";
21import * as rpc from "noice-json-rpc";
22import * as WebSocket from "ws";
23import WebSocketServer = WebSocket.Server;
24import * as nls from "vscode-nls";
25import {CommandExecutor} from "../common/commandExecutor";
26const localize = nls.loadMessageBundle();
27
28export class ExtensionServer implements vscode.Disposable {
29 public api: IRemoteExtension;
30 public isDisposed: boolean = false;
31 private serverInstance: WebSocketServer | null;
32 private reactNativePackager: Packager;
33 private pipePath: string;
34 private logCatMonitor: LogCatMonitor | null = null;
35 private logger: OutputChannelLogger = OutputChannelLogger.getMainChannel();
36
37 public constructor(projectRootPath: string, reactNativePackager: Packager) {
38 this.pipePath = MessagingHelper.getPath(projectRootPath);
39 this.reactNativePackager = reactNativePackager;
40 }
41
42 /**
43 * Starts the server.
44 */
45 public setup(): Q.Promise<void> {
46 this.isDisposed = false;
47
48 return Q.Promise((resolve, reject) => {
49 this._setup(resolve, reject);
50 });
51 }
52
53 /**
54 * Stops the server.
55 */
56 public dispose(): void {
57 this.isDisposed = true;
58 if (this.serverInstance) {
59 this.serverInstance.close();
60 this.serverInstance = null;
61 }
62
63 this.reactNativePackager.statusIndicator.dispose();
64 this.reactNativePackager.stop(true);
65 this.stopMonitoringLogCat();
66 }
67
68 private _setup(resolve: (val: void | Q.IPromise<void>) => void, reject: (reason: any) => void): void {
69 const errorCallback = this.recoverServer.bind(this, resolve, reject);
70 let launchCallback = (done: (val: void | Q.IPromise<void>) => void) => {
71 this.logger.debug(`Extension messaging server started at ${this.pipePath}.`);
72
73 if (this.serverInstance) {
74 this.serverInstance.removeListener("error", errorCallback);
75 this.serverInstance.on("error", this.recoverServer.bind(this, null, null));
76 }
77 done(void 0);
78 };
79
80 this.serverInstance = new WebSocketServer({port: <any>this.pipePath});
81 this.api = new rpc.Server(this.serverInstance).api();
82 this.serverInstance.on("listening", launchCallback.bind(this, resolve));
83 this.serverInstance.on("error", errorCallback);
84
85 this.setupApiHandlers();
86 }
87
88 private setupApiHandlers(): void {
89 let methods: any = {};
90 methods.stopMonitoringLogCat = this.stopMonitoringLogCat.bind(this);
91 methods.getPackagerPort = this.getPackagerPort.bind(this);
92 methods.sendTelemetry = this.sendTelemetry.bind(this);
93 methods.openFileAtLocation = this.openFileAtLocation.bind(this);
94 methods.showInformationMessage = this.showInformationMessage.bind(this);
95 methods.launch = this.launch.bind(this);
96 methods.showDevMenu = this.showDevMenu.bind(this);
97 methods.reloadApp = this.reloadApp.bind(this);
98
99 this.api.Extension.expose(methods);
100 }
101
102 private showDevMenu(deviceId?: string) {
103 this.api.Debugger.emitShowDevMenu(deviceId);
104 }
105
106 private reloadApp(deviceId?: string) {
107 this.api.Debugger.emitReloadApp(deviceId);
108 }
109
110 /**
111 * Recovers the server in case the named socket we use already exists, but no other instance of VSCode is active.
112 */
113 private recoverServer(resolve: (value: void) => {} , reject: (reason: any) => {}, error: any): void {
114 let errorHandler = (e: any) => {
115 /* The named socket is not used. */
116 if (e.code === "ECONNREFUSED") {
117 new FileSystem().removePathRecursivelyAsync(this.pipePath)
118 .then(() => {
119 if (resolve && reject) {
120 return this._setup(resolve, reject);
121 } else {
122 return this.setup();
123 }
124 })
125 .done();
126 }
127 };
128
129 /* The named socket already exists. */
130 if (error.code === "EADDRINUSE") {
131 let clientSocket = new WebSocket(`ws+unix://${this.pipePath}`);
132 clientSocket.on("error", errorHandler);
133 clientSocket.on("open", function() {
134 clientSocket.close();
135 });
136 }
137 }
138
139 /**
140 * Message handler for GET_PACKAGER_PORT.
141 */
142 private getPackagerPort(projectFolder: string): number {
143 return SettingsHelper.getPackagerPort(projectFolder);
144 }
145
146 /**
147 * Message handler for OPEN_FILE_AT_LOCATION
148 */
149 private openFileAtLocation(openFileRequest: OpenFileRequest): Promise<void> {
150 const { filename, lineNumber } = openFileRequest;
151 return new Promise((resolve) => {
152 vscode.workspace.openTextDocument(vscode.Uri.file(filename))
153 .then((document: vscode.TextDocument) => {
154 vscode.window.showTextDocument(document)
155 .then((editor: vscode.TextEditor) => {
156 let range = editor.document.lineAt(lineNumber - 1).range;
157 editor.selection = new vscode.Selection(range.start, range.end);
158 editor.revealRange(range, vscode.TextEditorRevealType.InCenter);
159 resolve();
160 });
161 });
162 });
163 }
164
165 private stopMonitoringLogCat(): void {
166 if (this.logCatMonitor) {
167 this.logCatMonitor.dispose();
168 this.logCatMonitor = null;
169 }
170 }
171
172 /**
173 * Sends telemetry
174 */
175 private sendTelemetry(telemetryRequest: Telemetry.TelemetryRequest): void {
176 const { extensionId, extensionVersion, appInsightsKey, eventName, properties, measures } = telemetryRequest;
177 Telemetry.sendExtensionTelemetry(extensionId, extensionVersion, appInsightsKey, eventName, properties, measures);
178 }
179
180 /**
181 * Message handler for SHOW_INFORMATION_MESSAGE
182 */
183 private showInformationMessage(message: string): void {
184 vscode.window.showInformationMessage(message);
185 }
186
187 private launch(request: any): Promise<any> {
188 let mobilePlatformOptions = requestSetup(request.arguments);
189
190 // We add the parameter if it's defined (adapter crashes otherwise)
191 if (!isNullOrUndefined(request.arguments.logCatArguments)) {
192 mobilePlatformOptions.logCatArguments = [parseLogCatArguments(request.arguments.logCatArguments)];
193 }
194
195 if (!isNullOrUndefined(request.arguments.variant)) {
196 mobilePlatformOptions.variant = request.arguments.variant;
197 }
198
199 if (!isNullOrUndefined(request.arguments.scheme)) {
200 mobilePlatformOptions.scheme = request.arguments.scheme;
201 }
202
203 if (!isNullOrUndefined(request.arguments.productName)) {
204 mobilePlatformOptions.productName = request.arguments.productName;
205 }
206
207 if (!isNullOrUndefined(request.arguments.launchActivity)) {
208 mobilePlatformOptions.debugLaunchActivity = request.arguments.launchActivity;
209 }
210
211 if (request.arguments.type === "reactnativedirect") {
212 mobilePlatformOptions.isDirect = true;
213 }
214
215 mobilePlatformOptions.packagerPort = SettingsHelper.getPackagerPort(request.arguments.cwd || request.arguments.program);
216 const platformDeps: MobilePlatformDeps = {
217 packager: this.reactNativePackager,
218 };
219 const mobilePlatform = new PlatformResolver()
220 .resolveMobilePlatform(request.arguments.platform, mobilePlatformOptions, platformDeps);
221 return new Promise((resolve, reject) => {
222 let extProps: any = {
223 platform: {
224 value: request.arguments.platform,
225 isPii: false,
226 },
227 };
228
229 if (mobilePlatformOptions.isDirect) {
230 extProps.isDirect = {
231 value: true,
232 isPii: false,
233 };
234 }
235
236 ReactNativeProjectHelper.getReactNativePackageVersionFromNodeModules(mobilePlatformOptions.projectRoot)
237 .then(version => {
238 mobilePlatformOptions.reactNativeVersion = version;
239 extProps = TelemetryHelper.addReactNativeVersionToEventProperties(version, extProps);
240 TelemetryHelper.generate("launch", extProps, (generator) => {
241 generator.step("checkPlatformCompatibility");
242 TargetPlatformHelper.checkTargetPlatformSupport(mobilePlatformOptions.platform);
243 return mobilePlatform.beforeStartPackager()
244 .then(() => {
245 generator.step("startPackager");
246 return mobilePlatform.startPackager();
247 })
248 .then(() => {
249 // We've seen that if we don't prewarm the bundle cache, the app fails on the first attempt to connect to the debugger logic
250 // and the user needs to Reload JS manually. We prewarm it to prevent that issue
251 generator.step("prewarmBundleCache");
252 this.logger.info(localize("PrewarmingBundleCache", "Prewarming bundle cache. This may take a while ..."));
253 return mobilePlatform.prewarmBundleCache();
254 })
255 .then(() => {
256 generator.step("mobilePlatform.runApp").add("target", mobilePlatformOptions.target, false);
257 this.logger.info(localize("BuildingAndRunningApplication", "Building and running application."));
258 return mobilePlatform.runApp();
259 })
260 .then(() => {
261 if (mobilePlatformOptions.isDirect) {
262 generator.step("mobilePlatform.enableDirectDebuggingMode");
263 if (request.arguments.platform === "android") {
264 this.logger.info(localize("PrepareHermesDebugging", "Prepare Hermes debugging (experimental)"));
265 }
266 return mobilePlatform.disableJSDebuggingMode();
267 }
268 generator.step("mobilePlatform.enableJSDebuggingMode");
269 this.logger.info(localize("EnableJSDebugging", "Enable JS Debugging"));
270 return mobilePlatform.enableJSDebuggingMode();
271 })
272 .then(() => {
273 resolve();
274 })
275 .catch(error => {
276 generator.addError(error);
277 this.logger.error(error);
278 reject(error);
279 });
280 });
281 })
282 .catch(error => {
283 TelemetryHelper.sendErrorEvent(
284 "ReactNativePackageIsNotInstalled",
285 ErrorHelper.getInternalError(InternalErrorCode.ReactNativePackageIsNotInstalled)
286 );
287 this.logger.error(error);
288 reject(error);
289 });
290 });
291 }
292}
293
294/**
295 * Parses log cat arguments to a string
296 */
297function parseLogCatArguments(userProvidedLogCatArguments: any): string {
298 return Array.isArray(userProvidedLogCatArguments)
299 ? userProvidedLogCatArguments.join(" ") // If it's an array, we join the arguments
300 : userProvidedLogCatArguments; // If not, we leave it as-is
301}
302
303function isNullOrUndefined(value: any): boolean {
304 return typeof value === "undefined" || value === null;
305}
306
307function requestSetup(args: any): any {
308 const workspaceFolder: vscode.WorkspaceFolder = <vscode.WorkspaceFolder>vscode.workspace.getWorkspaceFolder(vscode.Uri.file(args.cwd || args.program));
309 const projectRootPath = getProjectRoot(args);
310 let mobilePlatformOptions: any = {
311 workspaceRoot: workspaceFolder.uri.fsPath,
312 projectRoot: projectRootPath,
313 platform: args.platform,
314 env: args.env,
315 envFile: args.envFile,
316 target: args.target || "simulator",
317 };
318
319 CommandExecutor.ReactNativeCommand = SettingsHelper.getReactNativeGlobalCommandName(workspaceFolder.uri);
320
321 if (!args.runArguments) {
322 let runArgs = SettingsHelper.getRunArgs(args.platform, args.target || "simulator", workspaceFolder.uri);
323 mobilePlatformOptions.runArguments = runArgs;
324 } else {
325 mobilePlatformOptions.runArguments = args.runArguments;
326 }
327
328 return mobilePlatformOptions;
329}
330
331function getProjectRoot(args: any): string {
332 return SettingsHelper.getReactNativeProjectRoot(args.cwd || args.program);
333}
334