From: Colin Dixon <colin@colindixon.com>
Date: Thu, 5 Jun 2014 16:41:24 +0000 (-0500)
Subject: Add getChecksum() to the AD-SAL TCP class
X-Git-Tag: release/helium~705
X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=commitdiff_plain;h=c4909278da7a0a33c67f31033e3370042b064337

Add getChecksum() to the AD-SAL TCP class

Fixing Bug 1145

Change-Id: I62b29ecd0bb640632146b93c97250ba00afbe2fa
Signed-off-by: Colin Dixon <colin@colindixon.com>
---

diff --git a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/TCP.java b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/TCP.java
index 4b2badd92d..8253ac46d3 100644
--- a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/TCP.java
+++ b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/TCP.java
@@ -230,4 +230,12 @@ public class TCP extends Packet {
         return (BitBufferHelper.getShort(fieldValues.get(DESTPORT)));
     }
 
+    /**
+     * Get the stored checksum value of the TCP header
+     * @return short - the checksum
+     */
+    public short getChecksum() {
+        return (BitBufferHelper.getShort(fieldValues.get(CHECKSUM)));
+    }
+
 }
diff --git a/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/packet/TCPTest.java b/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/packet/TCPTest.java
index 48679c33f2..3e18aedfdb 100644
--- a/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/packet/TCPTest.java
+++ b/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/packet/TCPTest.java
@@ -104,4 +104,13 @@ public class TCPTest {
         Assert.assertTrue(urgentPointer[1] == 10);
 
     }
+
+    @Test
+    public void testGetChecksum() {
+        TCP tcp = new TCP();
+        byte[] udpChecksum = { 0, -56 };
+        tcp.hdrFieldsMap.put("Checksum", udpChecksum);
+        short checksum = tcp.getChecksum();
+        Assert.assertTrue(checksum == 200);
+    }
 }