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main.ts
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/
main.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import 'vs/platform/update/common/update.config.contribution';
import { app, dialog } from 'electron';
import { isWindows, IProcessEnvironment } from 'vs/base/common/platform';
import product from 'vs/platform/product/common/product';
import { parseMainProcessArgv, addArg } from 'vs/platform/environment/node/argvHelper';
import { createWaitMarkerFile } from 'vs/platform/environment/node/waitMarkerFile';
import { mkdirp } from 'vs/base/node/pfs';
import { validatePaths } from 'vs/code/node/paths';
import { LifecycleMainService, ILifecycleMainService } from 'vs/platform/lifecycle/electron-main/lifecycleMainService';
import { Server, serve, connect } from 'vs/base/parts/ipc/node/ipc.net';
import { createChannelSender } from 'vs/base/parts/ipc/node/ipc';
import { ILaunchMainService } from 'vs/platform/launch/electron-main/launchMainService';
import { ServicesAccessor, IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
import { InstantiationService } from 'vs/platform/instantiation/common/instantiationService';
import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';
import { SyncDescriptor } from 'vs/platform/instantiation/common/descriptors';
import { ILogService, ConsoleLogMainService, MultiplexLogService, getLogLevel } from 'vs/platform/log/common/log';
import { StateService } from 'vs/platform/state/node/stateService';
import { IStateService } from 'vs/platform/state/node/state';
import { IEnvironmentService } from 'vs/platform/environment/common/environment';
import { ParsedArgs } from 'vs/platform/environment/node/argv';
import { EnvironmentService, xdgRuntimeDir, INativeEnvironmentService } from 'vs/platform/environment/node/environmentService';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
import { ConfigurationService } from 'vs/platform/configuration/common/configurationService';
import { IRequestService } from 'vs/platform/request/common/request';
import { RequestMainService } from 'vs/platform/request/electron-main/requestMainService';
import * as fs from 'fs';
import { CodeApplication } from 'vs/code/electron-main/app';
import { localize } from 'vs/nls';
import { mnemonicButtonLabel } from 'vs/base/common/labels';
import { SpdLogService } from 'vs/platform/log/node/spdlogService';
import { BufferLogService } from 'vs/platform/log/common/bufferLog';
import { setUnexpectedErrorHandler } from 'vs/base/common/errors';
import { IThemeMainService, ThemeMainService } from 'vs/platform/theme/electron-main/themeMainService';
import { Client } from 'vs/base/parts/ipc/common/ipc.net';
import { once } from 'vs/base/common/functional';
import { ISignService } from 'vs/platform/sign/common/sign';
import { SignService } from 'vs/platform/sign/node/signService';
import { DiagnosticsService } from 'vs/platform/diagnostics/node/diagnosticsIpc';
import { FileService } from 'vs/platform/files/common/fileService';
import { DiskFileSystemProvider } from 'vs/platform/files/node/diskFileSystemProvider';
import { Schemas } from 'vs/base/common/network';
import { IFileService } from 'vs/platform/files/common/files';
import { IStorageKeysSyncRegistryService, StorageKeysSyncRegistryService } from 'vs/platform/userDataSync/common/storageKeys';
class ExpectedError extends Error {
readonly isExpected = true;
}
class CodeMain {
main(): void {
// Set the error handler early enough so that we are not getting the
// default electron error dialog popping up
setUnexpectedErrorHandler(err => console.error(err));
// Parse arguments
let args: ParsedArgs;
try {
args = parseMainProcessArgv(process.argv);
args = validatePaths(args);
} catch (err) {
console.error(err.message);
app.exit(1);
return;
}
// If we are started with --wait create a random temporary file
// and pass it over to the starting instance. We can use this file
// to wait for it to be deleted to monitor that the edited file
// is closed and then exit the waiting process.
//
// Note: we are not doing this if the wait marker has been already
// added as argument. This can happen if Code was started from CLI.
if (args.wait && !args.waitMarkerFilePath) {
const waitMarkerFilePath = createWaitMarkerFile(args.verbose);
if (waitMarkerFilePath) {
addArg(process.argv, '--waitMarkerFilePath', waitMarkerFilePath);
args.waitMarkerFilePath = waitMarkerFilePath;
}
}
// Launch
this.startup(args);
}
private async startup(args: ParsedArgs): Promise<void> {
// We need to buffer the spdlog logs until we are sure
// we are the only instance running, otherwise we'll have concurrent
// log file access on Windows (https://github.com/Microsoft/vscode/issues/41218)
const bufferLogService = new BufferLogService();
const [instantiationService, instanceEnvironment, environmentService] = this.createServices(args, bufferLogService);
try {
// Init services
await instantiationService.invokeFunction(async accessor => {
const configurationService = accessor.get(IConfigurationService);
const stateService = accessor.get(IStateService);
try {
await this.initServices(environmentService, configurationService as ConfigurationService, stateService as StateService);
} catch (error) {
// Show a dialog for errors that can be resolved by the user
this.handleStartupDataDirError(environmentService, error);
throw error;
}
});
// Startup
await instantiationService.invokeFunction(async accessor => {
const logService = accessor.get(ILogService);
const lifecycleMainService = accessor.get(ILifecycleMainService);
const fileService = accessor.get(IFileService);
const configurationService = accessor.get(IConfigurationService);
const mainIpcServer = await this.doStartup(args, logService, environmentService, lifecycleMainService, instantiationService, true);
bufferLogService.logger = new SpdLogService('main', environmentService.logsPath, bufferLogService.getLevel());
once(lifecycleMainService.onWillShutdown)(() => {
fileService.dispose();
(configurationService as ConfigurationService).dispose();
});
return instantiationService.createInstance(CodeApplication, mainIpcServer, instanceEnvironment).startup();
});
} catch (error) {
instantiationService.invokeFunction(this.quit, error);
}
}
private createServices(args: ParsedArgs, bufferLogService: BufferLogService): [IInstantiationService, IProcessEnvironment, INativeEnvironmentService] {
const services = new ServiceCollection();
const environmentService = new EnvironmentService(args, process.execPath);
const instanceEnvironment = this.patchEnvironment(environmentService); // Patch `process.env` with the instance's environment
services.set(IEnvironmentService, environmentService);
const logService = new MultiplexLogService([new ConsoleLogMainService(getLogLevel(environmentService)), bufferLogService]);
process.once('exit', () => logService.dispose());
services.set(ILogService, logService);
const fileService = new FileService(logService);
services.set(IFileService, fileService);
const diskFileSystemProvider = new DiskFileSystemProvider(logService);
fileService.registerProvider(Schemas.file, diskFileSystemProvider);
services.set(IConfigurationService, new ConfigurationService(environmentService.settingsResource, fileService));
services.set(ILifecycleMainService, new SyncDescriptor(LifecycleMainService));
services.set(IStateService, new SyncDescriptor(StateService));
services.set(IRequestService, new SyncDescriptor(RequestMainService));
services.set(IThemeMainService, new SyncDescriptor(ThemeMainService));
services.set(ISignService, new SyncDescriptor(SignService));
services.set(IStorageKeysSyncRegistryService, new SyncDescriptor(StorageKeysSyncRegistryService));
return [new InstantiationService(services, true), instanceEnvironment, environmentService];
}
private initServices(environmentService: INativeEnvironmentService, configurationService: ConfigurationService, stateService: StateService): Promise<unknown> {
// Environment service (paths)
const environmentServiceInitialization = Promise.all<void | undefined>([
environmentService.extensionsPath,
environmentService.nodeCachedDataDir,
environmentService.logsPath,
environmentService.globalStorageHome,
environmentService.workspaceStorageHome,
environmentService.backupHome.fsPath
].map((path): undefined | Promise<void> => path ? mkdirp(path) : undefined));
// Configuration service
const configurationServiceInitialization = configurationService.initialize();
// State service
const stateServiceInitialization = stateService.init();
return Promise.all([environmentServiceInitialization, configurationServiceInitialization, stateServiceInitialization]);
}
private patchEnvironment(environmentService: INativeEnvironmentService): IProcessEnvironment {
const instanceEnvironment: IProcessEnvironment = {
VSCODE_IPC_HOOK: environmentService.mainIPCHandle
};
['VSCODE_NLS_CONFIG', 'VSCODE_LOGS', 'VSCODE_PORTABLE'].forEach(key => {
const value = process.env[key];
if (typeof value === 'string') {
instanceEnvironment[key] = value;
}
});
Object.assign(process.env, instanceEnvironment);
return instanceEnvironment;
}
private async doStartup(args: ParsedArgs, logService: ILogService, environmentService: INativeEnvironmentService, lifecycleMainService: ILifecycleMainService, instantiationService: IInstantiationService, retry: boolean): Promise<Server> {
// Try to setup a server for running. If that succeeds it means
// we are the first instance to startup. Otherwise it is likely
// that another instance is already running.
let server: Server;
try {
server = await serve(environmentService.mainIPCHandle);
once(lifecycleMainService.onWillShutdown)(() => server.dispose());
} catch (error) {
// Handle unexpected errors (the only expected error is EADDRINUSE that
// indicates a second instance of Code is running)
if (error.code !== 'EADDRINUSE') {
// Show a dialog for errors that can be resolved by the user
this.handleStartupDataDirError(environmentService, error);
// Any other runtime error is just printed to the console
throw error;
}
// there's a running instance, let's connect to it
let client: Client<string>;
try {
client = await connect(environmentService.mainIPCHandle, 'main');
} catch (error) {
// Handle unexpected connection errors by showing a dialog to the user
if (!retry || isWindows || error.code !== 'ECONNREFUSED') {
if (error.code === 'EPERM') {
this.showStartupWarningDialog(
localize('secondInstanceAdmin', "A second instance of {0} is already running as administrator.", product.nameShort),
localize('secondInstanceAdminDetail', "Please close the other instance and try again.")
);
}
throw error;
}
// it happens on Linux and OS X that the pipe is left behind
// let's delete it, since we can't connect to it and then
// retry the whole thing
try {
fs.unlinkSync(environmentService.mainIPCHandle);
} catch (error) {
logService.warn('Could not delete obsolete instance handle', error);
throw error;
}
return this.doStartup(args, logService, environmentService, lifecycleMainService, instantiationService, false);
}
// Tests from CLI require to be the only instance currently
if (environmentService.extensionTestsLocationURI && !environmentService.debugExtensionHost.break) {
const msg = 'Running extension tests from the command line is currently only supported if no other instance of Code is running.';
logService.error(msg);
client.dispose();
throw new Error(msg);
}
// Show a warning dialog after some timeout if it takes long to talk to the other instance
// Skip this if we are running with --wait where it is expected that we wait for a while.
// Also skip when gathering diagnostics (--status) which can take a longer time.
let startupWarningDialogHandle: NodeJS.Timeout | undefined = undefined;
if (!args.wait && !args.status) {
startupWarningDialogHandle = setTimeout(() => {
this.showStartupWarningDialog(
localize('secondInstanceNoResponse', "Another instance of {0} is running but not responding", product.nameShort),
localize('secondInstanceNoResponseDetail', "Please close all other instances and try again.")
);
}, 10000);
}
const launchService = createChannelSender<ILaunchMainService>(client.getChannel('launch'), { disableMarshalling: true });
// Process Info
if (args.status) {
return instantiationService.invokeFunction(async accessor => {
// Create a diagnostic service connected to the existing shared process
const sharedProcessClient = await connect(environmentService.sharedIPCHandle, 'main');
const diagnosticsChannel = sharedProcessClient.getChannel('diagnostics');
const diagnosticsService = new DiagnosticsService(diagnosticsChannel);
const mainProcessInfo = await launchService.getMainProcessInfo();
const remoteDiagnostics = await launchService.getRemoteDiagnostics({ includeProcesses: true, includeWorkspaceMetadata: true });
const diagnostics = await diagnosticsService.getDiagnostics(mainProcessInfo, remoteDiagnostics);
console.log(diagnostics);
throw new ExpectedError();
});
}
// Windows: allow to set foreground
if (isWindows) {
await this.windowsAllowSetForegroundWindow(launchService, logService);
}
// Send environment over...
logService.trace('Sending env to running instance...');
await launchService.start(args, process.env as IProcessEnvironment);
// Cleanup
client.dispose();
// Now that we started, make sure the warning dialog is prevented
if (startupWarningDialogHandle) {
clearTimeout(startupWarningDialogHandle);
}
throw new ExpectedError('Sent env to running instance. Terminating...');
}
// Print --status usage info
if (args.status) {
logService.warn('Warning: The --status argument can only be used if Code is already running. Please run it again after Code has started.');
throw new ExpectedError('Terminating...');
}
// Set the VSCODE_PID variable here when we are sure we are the first
// instance to startup. Otherwise we would wrongly overwrite the PID
process.env['VSCODE_PID'] = String(process.pid);
return server;
}
private handleStartupDataDirError(environmentService: INativeEnvironmentService, error: NodeJS.ErrnoException): void {
if (error.code === 'EACCES' || error.code === 'EPERM') {
const directories = [environmentService.userDataPath];
if (environmentService.extensionsPath) {
directories.push(environmentService.extensionsPath);
}
if (xdgRuntimeDir) {
directories.push(xdgRuntimeDir);
}
this.showStartupWarningDialog(
localize('startupDataDirError', "Unable to write program user data."),
localize('startupUserDataAndExtensionsDirErrorDetail', "Please make sure the following directories are writeable:\n\n{0}", directories.join('\n'))
);
}
}
private showStartupWarningDialog(message: string, detail: string): void {
dialog.showMessageBox({
title: product.nameLong,
type: 'warning',
buttons: [mnemonicButtonLabel(localize({ key: 'close', comment: ['&& denotes a mnemonic'] }, "&&Close"))],
message,
detail,
noLink: true
});
}
private async windowsAllowSetForegroundWindow(launchService: ILaunchMainService, logService: ILogService): Promise<void> {
if (isWindows) {
const processId = await launchService.getMainProcessId();
logService.trace('Sending some foreground love to the running instance:', processId);
try {
(await import('windows-foreground-love')).allowSetForegroundWindow(processId);
} catch (error) {
logService.error(error);
}
}
}
private quit(accessor: ServicesAccessor, reason?: ExpectedError | Error): void {
const logService = accessor.get(ILogService);
const lifecycleMainService = accessor.get(ILifecycleMainService);
let exitCode = 0;
if (reason) {
if ((reason as ExpectedError).isExpected) {
if (reason.message) {
logService.trace(reason.message);
}
} else {
exitCode = 1; // signal error to the outside
if (reason.stack) {
logService.error(reason.stack);
} else {
logService.error(`Startup error: ${reason.toString()}`);
}
}
}
lifecycleMainService.kill(exitCode);
}
}
// Main Startup
const code = new CodeMain();
code.main();