first commit

core/workers/pipeline/parent.js

@@ -0,0 +1,34 @@
+var fork = require('child_process').fork;
+
+module.exports = (mode, config, callback) => {
+  var debug = typeof v8debug === 'object';
+  if (debug) {
+    process.execArgv = [];
+  }
+
+  var child = fork(__dirname + '/child');
+
+  // How we should handle client messages depends
+  // on the mode of the Pipeline that is being ran.
+  var handle = require('./messageHandlers/' + mode + 'Handler')(callback);
+
+  var message = {
+    what: 'start',
+    mode: mode,
+    config: config
+  };
+
+  child.on('message', function(m) {
+    if(m === 'ready')
+      return child.send(message);
+
+    if(m === 'done')
+      return child.send({what: 'exit'});
+
+    handle.message(m);
+  });
+
+  child.on('exit', handle.exit);
+
+  return child;
+}