Implemented the find top ports sample in scala

scalaApp/spark-scala-test/src/main/scala/no/uninett/App.scala

 package no.uninett
 import org.apache.spark.SparkContext
 import org.apache.spark.SparkConf
+import org.apache.spark.SparkContext._
 
 /**
  * Hello world!
@@ -8,12 +9,16 @@ import org.apache.spark.SparkConf
  */
 object App 
 {
+    val DestPort = 6
     def main(args: Array[String]):Unit={
         val appName = "scala test"
-        val conf = new SparkConf().setAppName(appName).setMaster("local")
+        val conf = new SparkConf().setAppName(appName)
         val sc = new org.apache.spark.SparkContext(conf)
-        val data = Array(1, 2, 3, 4, 5)
-        val distData = sc.parallelize(data)
-        distData.map(x => x + 1).reduce((x, y) => x + y)
+        val lines = sc.textFile("hdfs://daas/daas_flows/trd-gw-2014-05-03.csv")
+        val csv = lines.map(x => x.split(","))
+        val ports = csv.map(x => x(DestPort))
+        val port_count = ports.map(x => (x, 1)).reduceByKey((x, y) => x + y)
+        val tops = port_count.map(x => (x._2, x._1)).sortByKey(false).take(10)
+        tops.foreach(println)
     }
 }