Allow setting stdio and stderr

.gitignore

@@ -1,2 +1,5 @@
 node_modules
 .project
+
+examples/*/node_modules
+examples/*/*.log

examples/advanced/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "redirect",
+  "version": "1.0.0",
+  "description": "",
+  "dependencies": {
+    "daemonize2": "file:../.."
+  },
+  "license": "MIT"
+}

examples/redirect/app.js

@@ -0,0 +1,16 @@
+var http = require("http");
+
+http.createServer(function(req, res) {
+    console.log("Beginning request.");
+
+    res.writeHead(200, {
+        "Content-Type": "text/plain"
+    });
+    res.end("Hello World");
+
+    console.log("Ending request.");
+}).listen(8080);
+
+setInterval(function () {
+  console.error("A theoretical error!");
+}, 1000);

examples/redirect/ctrl.js

@@ -0,0 +1,35 @@
+var fs = require('fs');
+
+var daemon = require("daemonize2").setup({
+    main: "app.js",
+    name: "sampleapp",
+    pidfile: "sampleapp.pid"
+});
+
+var outFile = "sampleapp.out.log";
+var errFile = "sampleapp.err.log";
+
+switch (process.argv[2]) {
+
+    case "start":
+        var outStream = fs.createWriteStream(outFile);
+        var errStream = fs.createWriteStream(errFile);
+
+        outStream.on('open', function () {
+            errStream.on('open', function () {
+                daemon.start(undefined, {
+                    stdout: outStream,
+                    stderr: errStream
+                });
+            });
+        });
+
+        break;
+
+    case "stop":
+        daemon.stop();
+        break;
+
+    default:
+        console.log("Usage: [start|stop]");
+}

examples/redirect/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "redirect",
+  "version": "1.0.0",
+  "description": "",
+  "dependencies": {
+    "daemonize2": "file:../.."
+  },
+  "license": "MIT"
+}

examples/simple/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "redirect",
+  "version": "1.0.0",
+  "description": "",
+  "dependencies": {
+    "daemonize2": "file:../.."
+  },
+  "license": "MIT"
+}

lib/daemonize.js

@@ -81,7 +81,8 @@ var Daemon = function(options) {
 };
 util.inherits(Daemon, EventEmitter);
 
-Daemon.prototype.start = function(listener) {
+Daemon.prototype.start = function(listener, stdio) {
+    stdio = stdio || {};
 
     // make sure daemon is not running
     var pid = this._sendSignal(this._getpid());
@@ -116,12 +117,16 @@ Daemon.prototype.start = function(listener) {
         return this;
     }
 
+    // check if stdout and stderr
+    var stdout = stdio.stdout || "ignore";
+    var stderr = stdio.stderr || "ignore";
+
     // spawn child process
     var child = spawn(process.execPath, (this._options.args || []).concat([
             __dirname + "/wrapper.js"
         ]).concat(this._options.argv), {
             env: process.env,
-            stdio: ["ignore", "ignore", "ignore", "ipc"],
+            stdio: ["ignore", stdout, stderr, "ipc"],
             detached: true
         }
     );