1 files changed, 73 insertions, 0 deletions
diff --git a/src/crypto/nodeWorker.ts b/src/crypto/nodeWorker.ts
new file mode 100644
index 000000000..afa2930a8
--- /dev/null
+++ b/src/crypto/nodeWorker.ts
@@ -0,0 +1,73 @@
+/*
+ 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/>
+ */
+
+const path = require("path");
+const fork = require("child_process").fork;
+
+const nodeWorkerEntry = path.join(__dirname, "nodeWorkerEntry.js");
+
+export class Worker {
+  child: any;
+  onmessage: undefined | ((m: any) => void);
+  onerror: undefined | ((m: any) => void);
+  constructor(scriptFilename: string) {
+    this.child = fork(nodeWorkerEntry);
+    this.onerror = undefined;
+    this.onmessage = undefined;
+
+    this.child.on("error", (e: any) => {
+      if (this.onerror) {
+        this.onerror(e);
+      }
+    });
+
+    this.child.on("message", (msg: any) => {
+      const message = JSON.parse(msg);
+
+      if (!message.error && this.onmessage) {
+        this.onmessage(message);
+      }
+
+      if (message.error && this.onerror) {
+        const error = new Error(message.error);
+        error.stack = message.stack;
+
+        this.onerror(error);
+      }
+    });
+
+    this.child.send({scriptFilename,cwd: process.cwd()});
+  }
+
+  addEventListener(event: "message" | "error", fn: (x: any) => void): void {
+    switch (event) {
+      case "message":
+        this.onmessage = fn;
+        break;
+      case "error":
+        this.onerror = fn;
+        break;
+    }
+  }
+
+  postMessage (msg: any) {
+    this.child.send(JSON.stringify({data: msg}));
+  }
+
+  terminate () {
+    this.child.kill("SIGINT");
+  }
+}