first commit

core/workers/dateRangeScan/child.js

@@ -0,0 +1,26 @@
+var util = require(__dirname + '/../../util');
+
+var dirs = util.dirs();
+var ipc = require('relieve').IPCEE(process);
+
+ipc.on('start', config => {
+
+  // force correct gekko env
+  util.setGekkoEnv('child-process');
+
+  // force disable debug
+  config.debug = false;
+
+  // persist config
+  util.setConfig(config);
+
+  var scan = require(dirs.tools + 'dateRangeScanner');
+  scan(
+    (err, ranges, reader) => {
+      reader.close();
+      ipc.send('ranges', ranges);
+      process.exit(0);
+    }
+  );
+});
+

core/workers/dateRangeScan/parent.js

@@ -0,0 +1,21 @@
+var ForkTask = require('relieve').tasks.ForkTask;
+var fork = require('child_process').fork;
+
+module.exports = function(config, done) {
+  var debug = typeof v8debug === 'object';
+  if (debug) {
+    process.execArgv = [];
+  }
+
+  task = new ForkTask(fork(__dirname + '/child'));
+
+  task.send('start', config);
+
+  task.once('ranges', ranges => {
+    return done(false, ranges);
+  });
+  task.on('exit', code => {
+    if(code !== 0)
+      done('ERROR, unable to scan dateranges, please check the console.');
+  });
+}