@theia/core
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Theia is a cloud & desktop IDE framework implemented in TypeScript.
101 lines • 5.11 kB
JavaScript
;
// *****************************************************************************
// Copyright (C) 2017 TypeFox and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.IPCConnectionProvider = void 0;
const cp = require("child_process");
const inversify_1 = require("inversify");
const path = require("path");
const readline_1 = require("readline");
const common_1 = require("../../common");
const ipc_channel_1 = require("./ipc-channel");
const ipc_protocol_1 = require("./ipc-protocol");
let IPCConnectionProvider = class IPCConnectionProvider {
listen(options, acceptor) {
return this.doListen({
logger: this.logger,
args: [],
...options
}, acceptor);
}
doListen(options, acceptor) {
const childProcess = this.fork(options);
const channel = new ipc_channel_1.IPCChannel(childProcess);
const toStop = new common_1.DisposableCollection();
const toCancelStop = toStop.push(common_1.Disposable.create(() => childProcess.kill()));
const errorHandler = options.errorHandler;
if (errorHandler) {
let errorCount = 0;
channel.onError((err) => {
errorCount++;
if (errorHandler.shouldStop(err, errorCount)) {
toStop.dispose();
}
});
channel.onClose(() => {
if (toStop.disposed) {
return;
}
if (errorHandler.shouldRestart()) {
toCancelStop.dispose();
toStop.push(this.doListen(options, acceptor));
}
});
}
acceptor(channel);
return toStop;
}
fork(options) {
const forkOptions = {
env: (0, ipc_protocol_1.createIpcEnv)(options),
execArgv: [],
// 5th element MUST be 'overlapped' for it to work properly on Windows.
// 'overlapped' works just like 'pipe' on non-Windows platforms.
// See: https://nodejs.org/docs/latest-v14.x/api/child_process.html#child_process_options_stdio
// Note: For some reason `@types/node` does not know about 'overlapped'.
stdio: ['pipe', 'pipe', 'pipe', 'ipc', 'overlapped']
};
const inspectArgPrefix = `--${options.serverName}-inspect`;
const inspectArg = process.argv.find(v => v.startsWith(inspectArgPrefix));
if (inspectArg !== undefined) {
forkOptions.execArgv = ['--nolazy', `--inspect${inspectArg.substring(inspectArgPrefix.length)}`];
}
const childProcess = cp.fork(path.join(__dirname, 'ipc-bootstrap'), options.args, forkOptions);
(0, readline_1.createInterface)(childProcess.stdout).on('line', line => this.logger.info(`[${options.serverName}: ${childProcess.pid}] ${line}`));
(0, readline_1.createInterface)(childProcess.stderr).on('line', line => this.logger.error(`[${options.serverName}: ${childProcess.pid}] ${line}`));
this.logger.debug(`[${options.serverName}: ${childProcess.pid}] IPC started`);
childProcess.once('exit', () => this.logger.debug(`[${options.serverName}: ${childProcess.pid}] IPC exited`));
return childProcess;
}
};
__decorate([
(0, inversify_1.inject)(common_1.ILogger),
__metadata("design:type", Object)
], IPCConnectionProvider.prototype, "logger", void 0);
IPCConnectionProvider = __decorate([
(0, inversify_1.injectable)()
], IPCConnectionProvider);
exports.IPCConnectionProvider = IPCConnectionProvider;
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