Removed local socket usage as it is being removed from node

docs/api.md

@@ -72,7 +72,7 @@
    - `workers`  Number of workers to spawn, defaults to the number of CPUs or `1`
    - `working directory`  Working directory defaulting to the script's dir
    - `backlog`  Connection backlog, defaulting to 128
-   - `socket path`  Master socket path defaulting to `./`
+   - `socket port`  Master socket port defaulting to `8989`
    - `timeout` Worker shutdown timeout in milliseconds, defaulting to `60000`
    - `title` master process title defaulting to "cluster"
    - `worker title` worker process title defaulting to "cluster worker"

examples/app-cluster.js

@@ -8,7 +8,6 @@ var cluster = require('../');
 
 cluster('app.js')
   .set('workers', 4)
-  .set('socket path', '/tmp')
   .use(cluster.logger('logs'))
   .use(cluster.stats({ connections: true, requests: true }))
   .use(cluster.repl(8888, '127.0.0.1'))

examples/repl.js

@@ -22,7 +22,6 @@ cluster.repl.define('echo', function(master, sock, msg){
 // $ telnet localhots 8888
 cluster(server)
   .set('workers', 4)
-  .set('socket path', '/tmp')
   .use(cluster.logger('logs'))
   .use(cluster.stats({ connections: true, requests: true }))
   .use(cluster.repl(8888, '127.0.0.1'))

lib/master.js

@@ -42,7 +42,7 @@ var node = process.execPath;
  *   - `workers`  Number of workers to spawn, defaults to the number of CPUs
  *   - 'working directory`  Working directory defaulting to the script's dir
  *   - 'backlog` Connection backlog, defaulting to 128
- *   - 'socket path` Master socket path defaulting to `./`
+ *   - 'socket port` Master socket port defaulting to `8989`
  *   - 'timeout` Worker shutdown timeout in milliseconds, defaulting to 60,000
  *   - 'user` User id / name
  *   - 'group` Group id / name
@@ -97,7 +97,8 @@ var Master = module.exports = function Master(server) {
   this.options = {
       'backlog': 128
     , 'working directory': this.dir
-    , 'socket path': this.dir
+    , 'socket port': 8989
+    , 'socket addr': '127.0.0.1'
     , 'timeout': 60000
     , 'restart threshold': 'development' == this.env ? 5000 : 60000
     , 'restart timeout': 'development' == this.env ? 5000 : 60000
@@ -127,7 +128,7 @@ var Master = module.exports = function Master(server) {
   this.customFds = [1, 2];
 
   // udp server for IPC
-  this._server = dgram.createSocket('unix_dgram');
+  this._server = dgram.createSocket('udp4');
   this._server.on('message', function(msg, info){
     try {
       msg = JSON.parse(msg.toString('ascii'));
@@ -189,18 +190,6 @@ Master.prototype.resolve = function(path){
     : this.dir + '/' + path;
 };
 
-/**
- * Return the path of the unix domain socket server used for IPC.
- *
- * @return {String}
- * @api public
- */
-
-Master.prototype.__defineGetter__('serverSocketPath', function(){
-  var pid = process.env.CLUSTER_MASTER_PID || this.pid;
-  return this.options['socket path'] + '/cluster.' + pid + '.server.sock';
-});
-
 /**
  * Return `true` when the environment set by `Master#in()`
  * matches __NODE_ENV__.
@@ -225,15 +214,20 @@ Master.prototype.__defineGetter__('environmentMatches', function(){
  */
 
 Master.prototype.call = function(id, method){
-  this.sock = this.sock || dgram.createSocket('unix_dgram');
+  this.sock = this.sock || dgram.createSocket('udp4');
 
   var msg = new Buffer(utils.frame({
       args: utils.toArray(arguments, 2)
     , method: method
     , id: id
   }));
 
-  this.sock.send(msg, 0, msg.length, this.serverSocketPath);
+  this.sock.send(
+      msg
+    , 0
+    , msg.length
+    , this.options['socket port']
+    , this.options['socket addr']);
 };
 
 /**
@@ -323,10 +317,8 @@ Master.prototype.setupIPC = function(){
   this.defaultWorkers();
 
   // udp server for IPC
-  this._server.bind(this.serverSocketPath);
-  this._server.on('listening', function(){
-    self.emit('start');
-  });
+  this._server.on('listening', function(){ self.emit('start'); });
+  this._server.bind(this.options['socket port'], this.options['socket addr']);
 };
 
 /**
@@ -748,7 +740,7 @@ Master.prototype.acceptFd = function(){
  */
 
 Master.prototype._destroy = function(){
-  try { unlink(this.serverSocketPath); } catch (err) {}
+  this._server.close();
   if (this.fd) close(this.fd);
   this.emit('close');
   process.nextTick(process.exit.bind(process));