Splitted the node server in modules

2014-08-07 19:26:58 +02:00
parent 9b6b0f39f0
commit 7fcdf2aaa2
17 changed files with 407 additions and 250 deletions
@@ -0,0 +1,53 @@
+/**
+ * Socket.io handler
+ */
+
+var fs = require('fs');
+
+var waitingQueueSocket = function(socket, testQueue) {
+    
+    socket.on('waiting', function(testId) {
+        console.log('User waiting for test id ' + testId);
+
+        sendTestStatus(testId);
+
+        testQueue.on('testComplete', function(id) {
+            if (testId === id) {
+                socket.emit('complete');
+                console.log('Sending complete event to test id ' + testId);
+            }
+        });
+
+        testQueue.on('queueMoving', function() {
+            var positionInQueue = testQueue.indexOf(testId);
+            if (positionInQueue >= 0) {
+                socket.emit('position', positionInQueue);
+                console.log('Sending position to test id ' + testId);
+            }
+        });
+    });
+
+    // Finds the status of a test and send it to the client
+    function sendTestStatus(testId) {
+        // Check task position in queue
+        var positionInQueue = testQueue.indexOf(testId);
+
+        if (positionInQueue >= 0) {
+            socket.emit('position', positionInQueue);
+        } else {
+            // Find in results files
+            var exists = fs.exists('results/' + testId + '/results.json', function(exists) {
+                if (exists) {
+                    // TODO : find a way to make sure the file is completely written
+                    setTimeout(function() {
+                        socket.emit('complete');
+                    }, 4000);
+                } else {
+                    socket.emit('404');
+                }
+            });
+        }
+    }
+};
+
+module.exports = waitingQueueSocket;