From a94929ba9dc31d5e8dd797c9b48cb830b9276485 Mon Sep 17 00:00:00 2001
From: Lorenzo Colitti <lorenzo@google.com>
Date: Wed, 22 Apr 2015 10:50:08 +0900
Subject: [PATCH] Log DHCP replies that we can't parse.

Bug: 19704592
Bug: 20335221
Change-Id: I73def02a08345bd96f45cb970f9f251e6d5df2db
---
 services/net/java/android/net/dhcp/DhcpClient.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/net/java/android/net/dhcp/DhcpClient.java b/services/net/java/android/net/dhcp/DhcpClient.java
index e9203a491f3da..ab564932ef3ee 100644
--- a/services/net/java/android/net/dhcp/DhcpClient.java
+++ b/services/net/java/android/net/dhcp/DhcpClient.java
@@ -92,6 +92,7 @@ public class DhcpClient extends BaseDhcpStateMachine {
     private static final boolean DBG = true;
     private static final boolean STATE_DBG = false;
     private static final boolean MSG_DBG = false;
+    private static final boolean PACKET_DBG = true;
 
     // Timers and timeouts.
     private static final int SECONDS = 1000;
@@ -329,6 +330,9 @@ public class DhcpClient extends BaseDhcpStateMachine {
                     if (packet != null) {
                         maybeLog("Received packet: " + packet);
                         sendMessage(CMD_RECEIVED_PACKET, packet);
+                    } else if (PACKET_DBG) {
+                        Log.d(TAG,
+                                "Can't parse packet" + HexDump.dumpHexString(mPacket, 0, length));
                     }
                 } catch (IOException|ErrnoException e) {
                     if (!stopped) {