commit 5df9d729f6c78215f287701d7e136dfc922e2bd3
author Hugo Benichi <hugobenichi@google.com> Mon Apr 25 17:16:35 2016 +0900
committer Hugo Benichi <hugobenichi@google.com> Wed Apr 27 09:11:29 2016 +0900
tree 429a11b899b9df41738d743754bde0d302afad84
parent 3eaf72dc67ef0911bee0cc0d1db088cb70b044ca

Better ConnectivityMetricsEvent printing

This patch adds more information printing for IpConnectivity event
classes in android.net.metrics.

example:

ConnectivityMetricsEvent(14:36:35.799, 0, 1026): DhcpClientEvent(wlan0, DhcpRequestingState)
ConnectivityMetricsEvent(14:36:35.805, 0, 1026): DhcpClientEvent(wlan0, DhcpHaveAddressState)
ConnectivityMetricsEvent(14:36:35.809, 0, 4096): IpManagerEvent(wlan0, PROVISIONING_OK, 155ms)
ConnectivityMetricsEvent(14:36:35.810, 0, 1026): DhcpClientEvent(wlan0, DhcpBoundState)
ConnectivityMetricsEvent(14:36:35.871, 0, 2048): NetworkEvent(101, NETWORK_CONNECTED, 0ms)
ConnectivityMetricsEvent(14:36:35.874, 0, 2051): ValidationProbeEvent(101, PROBE_HTTP:599, 3ms)
ConnectivityMetricsEvent(14:36:35.874, 0, 2048): NetworkEvent(101, NETWORK_VALIDATION_FAILED, 0ms)
ConnectivityMetricsEvent(14:36:35.928, 0, 3072): DefaultNetworkEvent(0 -> 101, [WIFI], IPv4: false, IPv6: false)
ConnectivityMetricsEvent(14:36:37.008, 0, 2051): ValidationProbeEvent(101, PROBE_HTTP:204, 134ms)
ConnectivityMetricsEvent(14:36:37.008, 0, 2050): NetworkEvent(101, NETWORK_VALIDATED, 1137ms)

Also fixes a couple of event logging issues:
  - do no record spurious receive DhcpErrorEvent when a network goes down.
  - add an eventType field to IpManagerEvent instead of using the
    loggger component tag.

Bug: 28204408
Change-Id: Ia6f4ccfd7a0c63a5ccec18825f226c0b5781217b

core/java/android/net/metrics/IpReachabilityEvent.java

diff --git a/core/java/android/net/metrics/IpReachabilityEvent.java b/core/java/android/net/metrics/IpReachabilityEvent.java
index 73dcb94..b0eed61 100644
--- a/core/java/android/net/metrics/IpReachabilityEvent.java
+++ b/core/java/android/net/metrics/IpReachabilityEvent.java
@@ -19,6 +19,9 @@
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.util.SparseArray;
+
+import com.android.internal.util.MessageUtils;
 
 /**
  * {@hide}
@@ -81,4 +84,16 @@
     public static void logProvisioningLost(String ifName) {
         logEvent(IPCE_IPRM_PROVISIONING_LOST, new IpReachabilityEvent(ifName, PROVISIONING_LOST));
     }
+
+    @Override
+    public String toString() {
+        return String.format("IpReachabilityEvent(%s, %s)", ifName,
+                Decoder.constants.get(eventType));
+    }
+
+    final static class Decoder {
+        static final SparseArray<String> constants =
+                MessageUtils.findMessageNames(new Class[]{IpReachabilityEvent.class},
+                new String[]{"PROBE", "PROVISIONING_", "NUD_"});
+    }
 };