Move local ptys to ptyHost under shared process

src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts

@@ -81,6 +81,9 @@ import { DeprecatedExtensionsCleaner } from 'vs/code/electron-browser/sharedProc
 import { onUnexpectedError, setUnexpectedErrorHandler } from 'vs/base/common/errors';
 import { toErrorMessage } from 'vs/base/common/errorMessage';
 import { join } from 'vs/base/common/path';
+import { TerminalIpcChannels } from 'vs/platform/terminal/common/terminal';
+import { LocalPtyService } from 'vs/platform/terminal/electron-browser/localPtyService';
+import { ILocalPtyService } from 'vs/platform/terminal/electron-sandbox/terminal';
 
 class SharedProcessMain extends Disposable {
 
@@ -259,6 +262,9 @@ class SharedProcessMain extends Disposable {
 		services.set(IUserDataSyncResourceEnablementService, new SyncDescriptor(UserDataSyncResourceEnablementService));
 		services.set(IUserDataSyncService, new SyncDescriptor(UserDataSyncService));
 
+		// Terminal
+		services.set(ILocalPtyService, new SyncDescriptor(LocalPtyService));
+
 		return new InstantiationService(services);
 	}
 
@@ -304,6 +310,11 @@ class SharedProcessMain extends Disposable {
 		const userDataAutoSync = this._register(accessor.get(IInstantiationService).createInstance(UserDataAutoSyncService));
 		const userDataAutoSyncChannel = new UserDataAutoSyncChannel(userDataAutoSync);
 		this.server.registerChannel('userDataAutoSync', userDataAutoSyncChannel);
+
+		// Terminal
+		const localPtyService = accessor.get(ILocalPtyService);
+		const localPtyChannel = ProxyChannel.fromService(localPtyService);
+		this.server.registerChannel(TerminalIpcChannels.LocalPty, localPtyChannel);
 	}
 
 	private registerErrorHandler(logService: ILogService): void {

src/vs/code/electron-main/app.ts

@@ -89,7 +89,6 @@ import { CancellationToken, CancellationTokenSource } from 'vs/base/common/cance
 import { IExtensionUrlTrustService } from 'vs/platform/extensionManagement/common/extensionUrlTrust';
 import { ExtensionUrlTrustService } from 'vs/platform/extensionManagement/node/extensionUrlTrustService';
 import { once } from 'vs/base/common/functional';
-import { ILocalPtyMainService, LocalPtyMainService } from 'vs/platform/terminal/electron-main/localPtyMainService';
 
 export class CodeApplication extends Disposable {
 	private windowsMainService: IWindowsMainService | undefined;
@@ -528,7 +527,6 @@ export class CodeApplication extends Disposable {
 		services.set(ILaunchMainService, new SyncDescriptor(LaunchMainService));
 		services.set(IDiagnosticsService, ProxyChannel.toService(getDelayedChannel(sharedProcessReady.then(client => client.getChannel('diagnostics')))));
 
-		services.set(ILocalPtyMainService, new SyncDescriptor(LocalPtyMainService));
 		services.set(IIssueMainService, new SyncDescriptor(IssueMainService, [machineId, this.userEnv]));
 		services.set(IEncryptionMainService, new SyncDescriptor(EncryptionMainService, [machineId]));
 		services.set(IKeyboardLayoutMainService, new SyncDescriptor(KeyboardLayoutMainService));
@@ -616,10 +614,6 @@ export class CodeApplication extends Disposable {
 		const updateChannel = new UpdateChannel(updateService);
 		electronIpcServer.registerChannel('update', updateChannel);
 
-		const localPtyMainService = accessor.get(ILocalPtyMainService);
-		const localPtyChannel = createChannelReceiver(localPtyMainService);
-		electronIpcServer.registerChannel('localPty', localPtyChannel);
-
 		const issueMainService = accessor.get(IIssueMainService);
 		const issueChannel = ProxyChannel.fromService(issueMainService);
 		electronIpcServer.registerChannel('issue', issueChannel);

src/vs/platform/terminal/common/terminal.ts

@@ -7,7 +7,18 @@ import { Event } from 'vs/base/common/event';
 import { IProcessEnvironment } from 'vs/base/common/platform';
 import { URI } from 'vs/base/common/uri';
 
-export interface ICommonLocalPtyService {
+export enum TerminalIpcChannels {
+	/**
+	 * Communicates between the renderer process and shared process.
+	 */
+	LocalPty = 'localPty',
+	/**
+	 * Communicates between the shared process and the pty host process.
+	 */
+	PtyHost = 'ptyHost'
+}
+
+export interface ILocalPtyService {
 	readonly _serviceBrand: undefined;
 
 	readonly onProcessData: Event<{ id: number, event: IProcessDataEvent | string }>;

src/vs/platform/terminal/electron-browser/localPtyService.ts

@@ -0,0 +1,104 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Disposable } from 'vs/base/common/lifecycle';
+import { ILogService } from 'vs/platform/log/common/log';
+import { ILocalPtyService, IProcessDataEvent, IShellLaunchConfig, ITerminalDimensionsOverride, ITerminalLaunchError, TerminalIpcChannels } from 'vs/platform/terminal/common/terminal';
+import { Client } from 'vs/base/parts/ipc/node/ipc.cp';
+import { FileAccess } from 'vs/base/common/network';
+import { ProxyChannel } from 'vs/base/parts/ipc/common/ipc';
+import { IProcessEnvironment } from 'vs/base/common/platform';
+import { Emitter } from 'vs/base/common/event';
+
+export class LocalPtyService extends Disposable implements ILocalPtyService {
+	declare readonly _serviceBrand: undefined;
+
+	// ProxyChannel is not used here because events get lost when forwarding across multiple proxies
+	private readonly _proxy: ILocalPtyService;
+
+	private readonly _onProcessData = this._register(new Emitter<{ id: number, event: IProcessDataEvent | string }>());
+	readonly onProcessData = this._onProcessData.event;
+	private readonly _onProcessExit = this._register(new Emitter<{ id: number, event: number | undefined }>());
+	readonly onProcessExit = this._onProcessExit.event;
+	private readonly _onProcessReady = this._register(new Emitter<{ id: number, event: { pid: number, cwd: string } }>());
+	readonly onProcessReady = this._onProcessReady.event;
+	private readonly _onProcessTitleChanged = this._register(new Emitter<{ id: number, event: string }>());
+	readonly onProcessTitleChanged = this._onProcessTitleChanged.event;
+	private readonly _onProcessOverrideDimensions = this._register(new Emitter<{ id: number, event: ITerminalDimensionsOverride | undefined }>());
+	readonly onProcessOverrideDimensions = this._onProcessOverrideDimensions.event;
+	private readonly _onProcessResolvedShellLaunchConfig = this._register(new Emitter<{ id: number, event: IShellLaunchConfig }>());
+	readonly onProcessResolvedShellLaunchConfig = this._onProcessResolvedShellLaunchConfig.event;
+
+	constructor(
+		@ILogService private readonly _logService: ILogService
+	) {
+		super();
+
+		const client = this._register(new Client(
+			FileAccess.asFileUri('bootstrap-fork', require).fsPath,
+			{
+				serverName: 'Pty Host',
+				args: ['--type=ptyHost'],
+				env: {
+					VSCODE_AMD_ENTRYPOINT: 'vs/platform/terminal/node/ptyHostMain',
+					VSCODE_PIPE_LOGGING: 'true',
+					VSCODE_VERBOSE_LOGGING: 'true' // transmit console logs from server to client
+				}
+			}
+		));
+
+		// TODO: Handle exit gracefully
+		this._register(client.onDidProcessExit(e => {
+			this._logService.info('ptyHost exit', e);
+			// 	// our watcher app should never be completed because it keeps on watching. being in here indicates
+			// 	// that the watcher process died and we want to restart it here. we only do it a max number of times
+			// 	if (!this.isDisposed) {
+			// 		if (this.restartCounter <= FileWatcher.MAX_RESTARTS) {
+			// 			this.error('terminated unexpectedly and is restarted again...');
+			// 			this.restartCounter++;
+			// 			this.startWatching();
+			// 		} else {
+			// 			this.error('failed to start after retrying for some time, giving up. Please report this as a bug report!');
+			// 		}
+			// 	}
+		}));
+
+		this._proxy = ProxyChannel.toService(client.getChannel(TerminalIpcChannels.PtyHost));
+		this._register(this._proxy.onProcessData(e => this._onProcessData.fire(e)));
+		this._register(this._proxy.onProcessExit(e => this._onProcessExit.fire(e)));
+		this._register(this._proxy.onProcessReady(e => this._onProcessReady.fire(e)));
+		this._register(this._proxy.onProcessTitleChanged(e => this._onProcessTitleChanged.fire(e)));
+		this._register(this._proxy.onProcessOverrideDimensions(e => this._onProcessOverrideDimensions.fire(e)));
+		this._register(this._proxy.onProcessResolvedShellLaunchConfig(e => this._onProcessResolvedShellLaunchConfig.fire(e)));
+	}
+
+	createProcess(shellLaunchConfig: IShellLaunchConfig, cwd: string, cols: number, rows: number, env: IProcessEnvironment, executableEnv: IProcessEnvironment, windowsEnableConpty: boolean): Promise<number> {
+		return this._proxy.createProcess(shellLaunchConfig, cwd, cols, rows, env, executableEnv, windowsEnableConpty);
+	}
+	start(id: number): Promise<ITerminalLaunchError | { remoteTerminalId: number; } | undefined> {
+		return this._proxy.start(id);
+	}
+	shutdown(id: number, immediate: boolean): Promise<void> {
+		return this._proxy.shutdown(id, immediate);
+	}
+	input(id: number, data: string): Promise<void> {
+		return this._proxy.input(id, data);
+	}
+	resize(id: number, cols: number, rows: number): Promise<void> {
+		return this._proxy.resize(id, cols, rows);
+	}
+	acknowledgeDataEvent(id: number, charCount: number): Promise<void> {
+		return this._proxy.acknowledgeDataEvent(id, charCount);
+	}
+	getInitialCwd(id: number): Promise<string> {
+		return this._proxy.getInitialCwd(id);
+	}
+	getCwd(id: number): Promise<string> {
+		return this._proxy.getCwd(id);
+	}
+	getLatency(id: number): Promise<number> {
+		return this._proxy.getLatency(id);
+	}
+}

src/vs/platform/terminal/electron-sandbox/terminal.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
-import { ICommonLocalPtyService } from 'vs/platform/terminal/common/terminal';
+import { ILocalPtyService as ICommonLocalPtyService } from 'vs/platform/terminal/common/terminal';
 
 export const ILocalPtyService = createDecorator<ILocalPtyService>('localPtyService');
 

src/vs/platform/terminal/node/ptyHostMain.ts

@@ -0,0 +1,13 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Server } from 'vs/base/parts/ipc/node/ipc.cp';
+import { ProxyChannel } from 'vs/base/parts/ipc/common/ipc';
+import { PtyService } from 'vs/platform/terminal/node/ptyService';
+import { TerminalIpcChannels } from 'vs/platform/terminal/common/terminal';
+
+const server = new Server('ptyHost');
+const service = new PtyService();
+server.registerChannel(TerminalIpcChannels.PtyHost, ProxyChannel.fromService(service));

src/vs/platform/terminal/electron-main/localPtyMainService.ts → src/vs/platform/terminal/node/ptyService.ts

@@ -3,24 +3,19 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { Emitter } from 'vs/base/common/event';
 import { Disposable } from 'vs/base/common/lifecycle';
 import { IProcessEnvironment } from 'vs/base/common/platform';
-import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
-import { ILogService } from 'vs/platform/log/common/log';
-import { ICommonLocalPtyService, IProcessDataEvent, IShellLaunchConfig, ITerminalChildProcess, ITerminalDimensionsOverride, ITerminalLaunchError } from 'vs/platform/terminal/common/terminal';
+import { ILocalPtyService, IProcessDataEvent, IShellLaunchConfig, ITerminalChildProcess, ITerminalDimensionsOverride, ITerminalLaunchError } from 'vs/platform/terminal/common/terminal';
 import { TerminalProcess } from 'vs/platform/terminal/node/terminalProcess';
+import { Emitter } from 'vs/base/common/event';
+import { LogService, ConsoleLogger } from 'vs/platform/log/common/log';
 
-export const ILocalPtyMainService = createDecorator<ILocalPtyMainService>('localPtyMainService');
-
-export interface ILocalPtyMainService extends ICommonLocalPtyService { }
-
-let currentLocalPtyId = 0;
+let currentPtyId = 0;
 
-export class LocalPtyMainService extends Disposable implements ICommonLocalPtyService {
+export class PtyService extends Disposable implements ILocalPtyService {
 	declare readonly _serviceBrand: undefined;
 
-	private readonly _localPtys: Map<number, ITerminalChildProcess> = new Map();
+	private readonly _ptys: Map<number, ITerminalChildProcess> = new Map();
 
 	private readonly _onProcessData = this._register(new Emitter<{ id: number, event: IProcessDataEvent | string }>());
 	readonly onProcessData = this._onProcessData.event;
@@ -36,14 +31,14 @@ export class LocalPtyMainService extends Disposable implements ICommonLocalPtySe
 	readonly onProcessResolvedShellLaunchConfig = this._onProcessResolvedShellLaunchConfig.event;
 
 	constructor(
-		@ILogService private readonly _logService: ILogService
 	) {
 		super();
 	}
 
 	async createProcess(shellLaunchConfig: IShellLaunchConfig, cwd: string, cols: number, rows: number, env: IProcessEnvironment, executableEnv: IProcessEnvironment, windowsEnableConpty: boolean): Promise<number> {
-		const id = ++currentLocalPtyId;
-		const process = new TerminalProcess(shellLaunchConfig, cwd, cols, rows, env, executableEnv, windowsEnableConpty, this._logService);
+		const id = ++currentPtyId;
+		// TODO: Impl proper logging, level doesn't get passed over
+		const process = new TerminalProcess(shellLaunchConfig, cwd, cols, rows, env, executableEnv, windowsEnableConpty, new LogService(new ConsoleLogger()));
 		process.onProcessData(event => this._onProcessData.fire({ id, event }));
 		process.onProcessExit(event => this._onProcessExit.fire({ id, event }));
 		process.onProcessReady(event => this._onProcessReady.fire({ id, event }));
@@ -54,7 +49,7 @@ export class LocalPtyMainService extends Disposable implements ICommonLocalPtySe
 		if (process.onProcessResolvedShellLaunchConfig) {
 			process.onProcessResolvedShellLaunchConfig(event => this._onProcessResolvedShellLaunchConfig.fire({ id, event }));
 		}
-		this._localPtys.set(id, process);
+		this._ptys.set(id, process);
 		return id;
 	}
 
@@ -91,7 +86,7 @@ export class LocalPtyMainService extends Disposable implements ICommonLocalPtySe
 	}
 
 	private _throwIfNoPty(id: number): ITerminalChildProcess {
-		const pty = this._localPtys.get(id);
+		const pty = this._ptys.get(id);
 		if (!pty) {
 			throw new Error(`Could not find pty with id "${id}"`);
 		}

src/vs/workbench/buildfile.desktop.js

@@ -28,6 +28,8 @@ exports.collectModules = function () {
 		createModuleDescription('vs/platform/files/node/watcher/unix/watcherApp', []),
 		createModuleDescription('vs/platform/files/node/watcher/nsfw/watcherApp', []),
 
+		createModuleDescription('vs/platform/terminal/node/ptyHostMain', []),
+
 		createModuleDescription('vs/workbench/services/extensions/node/extensionHostProcess', []),
 	];
-};
+};

src/vs/workbench/contrib/terminal/electron-browser/terminalInstanceService.ts

@@ -79,7 +79,6 @@ export class TerminalInstanceService implements ITerminalInstanceService {
 
 	public async createTerminalProcess(shellLaunchConfig: IShellLaunchConfig, cwd: string, cols: number, rows: number, env: IProcessEnvironment, windowsEnableConpty: boolean): Promise<ITerminalChildProcess> {
 		const id = await this._localPtyService.createProcess(shellLaunchConfig, cwd, cols, rows, env, process.env as IProcessEnvironment, windowsEnableConpty);
-		console.log('local pty id ' + id);
 		return this._instantiationService.createInstance(TerminalProcessMainProxy, id);
 	}
 

src/vs/workbench/contrib/terminal/electron-sandbox/localPtyService.ts → src/vs/workbench/contrib/terminal/electron-sandbox/localPtyServiceProxy.ts

@@ -4,15 +4,18 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { ILocalPtyService } from 'vs/platform/terminal/electron-sandbox/terminal';
-import { IMainProcessService } from 'vs/platform/ipc/electron-sandbox/mainProcessService';
-import { createChannelSender } from 'vs/base/parts/ipc/common/ipc';
+import { TerminalIpcChannels } from 'vs/platform/terminal/common/terminal';
+import { ISharedProcessService } from 'vs/platform/ipc/electron-sandbox/sharedProcessService';
+import { ProxyChannel } from 'vs/base/parts/ipc/common/ipc';
 
 // @ts-ignore: interface is implemented via proxy
-export class LocalPtyService implements ILocalPtyService {
+export class LocalPtyServiceProxy implements ILocalPtyService {
 
 	declare readonly _serviceBrand: undefined;
 
-	constructor(@IMainProcessService mainProcessService: IMainProcessService) {
-		return createChannelSender<ILocalPtyService>(mainProcessService.getChannel('localPty'));
+	constructor(
+		@ISharedProcessService sharedProcessService: ISharedProcessService
+	) {
+		return ProxyChannel.toService<LocalPtyServiceProxy & ILocalPtyService>(sharedProcessService.getChannel(TerminalIpcChannels.LocalPty));
 	}
 }

src/vs/workbench/contrib/terminal/electron-sandbox/terminal.contribution.ts

@@ -5,6 +5,6 @@
 
 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 import { ILocalPtyService } from 'vs/platform/terminal/electron-sandbox/terminal';
-import { LocalPtyService } from 'vs/workbench/contrib/terminal/electron-sandbox/localPtyService';
+import { LocalPtyServiceProxy } from 'vs/workbench/contrib/terminal/electron-sandbox/localPtyServiceProxy';
 
-registerSingleton(ILocalPtyService, LocalPtyService, true);
+registerSingleton(ILocalPtyService, LocalPtyServiceProxy, true);