[refactor] Create unique worker socket files using the microtime mo…

…dule

examples/cli-multiple-start

@@ -0,0 +1,3 @@
+forever start examples/server.js -p 8080
+forever start examples/server.js -p 8081
+forever start examples/server.js -p 8082

lib/forever/worker.js

@@ -1,29 +1,11 @@
 var events = require('events'),
     fs = require('fs'),
     path = require('path'),
+    microtime = require('microtime'),
     nssocket = require('nssocket'),
     utile = require('utile'),
     forever = require('../forever');
 
-function findSocket(sockPath, startAt, callback) {
-  if (typeof startAt == "function") {
-    callback = startAt;
-    startAt = null;
-  }
-
-  startAt || (startAt = 0);
-  var sock = path.join(sockPath, 'worker.' + startAt + '.sock');
-  fs.stat(sock, function (err, stat) {
-    if (err) {
-      return err.code == 'ENOENT' 
-        ? callback(null, sock)
-        : callback(err);
-    }
-
-    return findSocket(sockPath, ++startAt, callback);
-  });
-}
-
 var Worker = exports.Worker = function (options) {
   events.EventEmitter.call(this);
   options || (options = {});
@@ -116,14 +98,16 @@ Worker.prototype.start = function (callback) {
       callback && callback(err);
     });
 
-    findSocket(self.sockPath, function (err, sock) {
-      if (err) {
-        return callback && callback(err);
-      }
-
-      self._sockFile = sock;
-      self._socket.listen(sock);
-    });
+    //
+    // Create a unique socket file based on the current microtime.
+    //
+    var sock = self._sockFile = path.join(self.sockPath, [
+      'worker',
+      microtime.nowStruct().join(''),
+      'sock'
+    ].join('.'));
+
+    self._socket.listen(sock);
   }
 
   //

package.json

@@ -27,6 +27,7 @@
     "cliff": "0.x.x",
     "daemon": "0.4.x",
     "flatiron": "0.1.x",
+    "microtime": "0.2.x",
     "minimatch": "0.0.x",
     "nconf": "0.5.x",
     "nssocket": "0.3.x",