diff options
Diffstat (limited to 'src/crypto/nodeProcessWorker.ts')
-rw-r--r-- | src/crypto/nodeProcessWorker.ts | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/src/crypto/nodeProcessWorker.ts b/src/crypto/nodeProcessWorker.ts deleted file mode 100644 index 8ff149788..000000000 --- a/src/crypto/nodeProcessWorker.ts +++ /dev/null @@ -1,118 +0,0 @@ -import { CryptoWorkerFactory } from "./cryptoApi"; - -/* - This file is part of TALER - (C) 2016 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> - */ - - -// tslint:disable:no-var-requires - -import { CryptoWorker } from "./cryptoWorker"; - -import path = require("path"); -import child_process = require("child_process"); - -const nodeWorkerEntry = path.join(__dirname, "nodeWorkerEntry.js"); - - -export class NodeCryptoWorkerFactory implements CryptoWorkerFactory { - startWorker(): CryptoWorker { - if (typeof require === "undefined") { - throw Error("cannot make worker, require(...) not defined"); - } - const workerCtor = require("./nodeProcessWorker").Worker; - const workerPath = __dirname + "/cryptoWorker.js"; - return new workerCtor(workerPath); - } - - getConcurrency(): number { - return 4; - } -} - -/** - * Worker implementation that uses node subprocesses. - */ -export class Worker { - private child: any; - - /** - * Function to be called when we receive a message from the worker thread. - */ - onmessage: undefined | ((m: any) => void); - - /** - * Function to be called when we receive an error from the worker thread. - */ - onerror: undefined | ((m: any) => void); - - private dispatchMessage(msg: any) { - if (this.onmessage) { - this.onmessage({ data: msg }); - } else { - console.warn("no handler for worker event 'message' defined") - } - } - - private dispatchError(msg: any) { - if (this.onerror) { - this.onerror({ data: msg }); - } else { - console.warn("no handler for worker event 'error' defined") - } - } - - constructor() { - this.child = child_process.fork(nodeWorkerEntry); - this.onerror = undefined; - this.onmessage = undefined; - - this.child.on("error", (e: any) => { - this.dispatchError(e); - }); - - this.child.on("message", (msg: any) => { - this.dispatchMessage(msg); - }); - } - - /** - * Add an event listener for either an "error" or "message" event. - */ - addEventListener(event: "message" | "error", fn: (x: any) => void): void { - switch (event) { - case "message": - this.onmessage = fn; - break; - case "error": - this.onerror = fn; - break; - } - } - - /** - * Send a message to the worker thread. - */ - postMessage (msg: any) { - this.child.send(JSON.stringify({data: msg})); - } - - /** - * Forcibly terminate the worker thread. - */ - terminate () { - this.child.kill("SIGINT"); - } -} |