trying out a shutdown function

2013-08-05 07:21:12 +10:00
parent 1e17f88ded
commit ce8b6b06b9
2 changed files with 38 additions and 1 deletions
@@ -1,5 +1,6 @@
 "use strict";
 var layouts = require('../layouts')
+, async = require('async')
 , path = require('path')
 , fs = require('fs')
 , streams = require('../streams')
@@ -61,7 +62,12 @@ function fileAppender (file, layout, logSize, numBackups) {
  openFiles.push(logFile);
  
  return function(loggingEvent) {
-    logFile.write(layout(loggingEvent) + eol, "utf8");
+    logFile.write(layout(loggingEvent) + eol, "utf8", 
+                  function() { 
+                    // just here to keep the event loop
+                    // open  - doesn't work.
+                    return; 
+                  });
  };
 }

@@ -78,5 +84,16 @@ function configure(config, options) {
  return fileAppender(config.filename, layout, config.maxLogSize, config.backups);
 }

+function shutdown(cb) {
+  async.forEach(openFiles, function(file, done) {
+    if (!file.write(eol, "utf-8")) {
+      file.once('drain', function() {
+        file.end(done);
+      });
+    }
+  }, cb);
+}  
+
 exports.appender = fileAppender;
 exports.configure = configure;
+exports.shutdown = shutdown;