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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.PipeTransport = void 0;
- var _utils = require("../utils");
- var _debugLogger = require("../common/debugLogger");
- /**
- * Copyright 2018 Google Inc. All rights reserved.
- * Modifications copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- class PipeTransport {
- constructor(pipeWrite, pipeRead) {
- this._pipeRead = void 0;
- this._pipeWrite = void 0;
- this._pendingBuffers = [];
- this._waitForNextTask = (0, _utils.makeWaitForNextTask)();
- this._closed = false;
- this._onclose = void 0;
- this.onmessage = void 0;
- this._pipeRead = pipeRead;
- this._pipeWrite = pipeWrite;
- pipeRead.on('data', buffer => this._dispatch(buffer));
- pipeRead.on('close', () => {
- this._closed = true;
- if (this._onclose) this._onclose.call(null);
- });
- pipeRead.on('error', e => _debugLogger.debugLogger.log('error', e));
- pipeWrite.on('error', e => _debugLogger.debugLogger.log('error', e));
- this.onmessage = undefined;
- }
- get onclose() {
- return this._onclose;
- }
- set onclose(onclose) {
- this._onclose = onclose;
- if (onclose && !this._pipeRead.readable) onclose();
- }
- send(message) {
- if (this._closed) throw new Error('Pipe has been closed');
- this._pipeWrite.write(JSON.stringify(message));
- this._pipeWrite.write('\0');
- }
- close() {
- throw new Error('unimplemented');
- }
- _dispatch(buffer) {
- let end = buffer.indexOf('\0');
- if (end === -1) {
- this._pendingBuffers.push(buffer);
- return;
- }
- this._pendingBuffers.push(buffer.slice(0, end));
- const message = Buffer.concat(this._pendingBuffers).toString();
- this._waitForNextTask(() => {
- if (this.onmessage) this.onmessage.call(null, JSON.parse(message));
- });
- let start = end + 1;
- end = buffer.indexOf('\0', start);
- while (end !== -1) {
- const message = buffer.toString(undefined, start, end);
- this._waitForNextTask(() => {
- if (this.onmessage) this.onmessage.call(null, JSON.parse(message));
- });
- start = end + 1;
- end = buffer.indexOf('\0', start);
- }
- this._pendingBuffers = [buffer.slice(start)];
- }
- }
- exports.PipeTransport = PipeTransport;
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