Add additional debug for time zone handling.

Change-Id: Ie46bba7e0ef7737a865f7efadbf963c2d14e488f

Author: Wink Saville

core/java/android/util/TimeUtils.java

@@ -26,6 +26,7 @@
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.Collection;
 import java.util.TimeZone;
 import java.util.Date;
@@ -381,4 +382,22 @@ public static void formatDuration(long time, long now, PrintWriter pw) {
         }
         formatDuration(time-now, pw, 0);
     }
+
+    /**
+     * Convert a System.currentTimeMillis() value to a time of day value like
+     * that printed in logs. MM-DD HH:MM:SS.MMM
+     *
+     * @param millis since the epoch (1/1/1970)
+     * @return String representation of the time.
+     * @hide
+     */
+    public static String logTimeOfDay(long millis) {
+        Calendar c = Calendar.getInstance();
+        if (millis >= 0) {
+            c.setTimeInMillis(millis);
+            return String.format("%tm-%td %tH:%tM:%tS.%tL", c, c, c, c, c, c);
+        } else {
+            return Long.toString(millis);
+        }
+    }
 }

telephony/java/com/android/internal/telephony/DataConnection.java

@@ -31,6 +31,7 @@
 import android.os.Message;
 import android.os.SystemProperties;
 import android.text.TextUtils;
+import android.util.TimeUtils;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -1224,21 +1225,6 @@ protected String getMessageInfo(Message msg) {
         return info;
     }
 
-    /**
-     * Convert a System.currentTimeMillis() value to a time of day value.
-     *
-     * @param millis since the epoch (1/1/1970)
-     * @return String representation of the time.
-     */
-    private String timeMillisToTimeOfDay(long millis) {
-        Calendar c = Calendar.getInstance();
-        if (millis >= 0) {
-            c.setTimeInMillis(millis);
-            return String.format("%tm-%td %tH:%tM:%tS.%tL", c, c, c, c, c, c);
-        } else {
-            return Long.toString(millis);
-        }
-    }
     /**
      * Dump the current state.
      *
@@ -1263,8 +1249,8 @@ public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
         pw.println(" mLinkProperties=" + mLinkProperties);
         pw.flush();
         pw.println(" mCapabilities=" + mCapabilities);
-        pw.println(" createTime=" + timeMillisToTimeOfDay(createTime));
-        pw.println(" lastFailTime=" + timeMillisToTimeOfDay(lastFailTime));
+        pw.println(" createTime=" + TimeUtils.logTimeOfDay(createTime));
+        pw.println(" lastFailTime=" + TimeUtils.logTimeOfDay(lastFailTime));
         pw.println(" lastFailCause=" + lastFailCause);
         pw.flush();
         pw.println(" mRetryOverride=" + mRetryOverride);

telephony/java/com/android/internal/telephony/ServiceStateTracker.java

@@ -23,6 +23,7 @@
 import android.os.RegistrantList;
 import android.telephony.ServiceState;
 import android.telephony.SignalStrength;
+import android.util.TimeUtils;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -507,13 +508,15 @@ protected boolean shouldFixTimeZoneNow(PhoneBase phoneBase, String operatorNumer
         // Determine retVal
         boolean retVal = ((iccCardExist && (mcc != prevMcc)) || needToFixTimeZone);
         if (DBG) {
+            long ctm = System.currentTimeMillis();
             log("shouldFixTimeZoneNow: retVal=" + retVal +
                     " iccCard=" + iccCard +
                     " iccCard.state=" + (iccCard == null ? "null" : iccCard.getState().toString()) +
                     " iccCardExist=" + iccCardExist +
                     " operatorNumeric=" + operatorNumeric + " mcc=" + mcc +
                     " prevOperatorNumeric=" + prevOperatorNumeric + " prevMcc=" + prevMcc +
-                    " needToFixTimeZone=" + needToFixTimeZone);
+                    " needToFixTimeZone=" + needToFixTimeZone +
+                    " ltod=" + TimeUtils.logTimeOfDay(ctm));
         }
         return retVal;
     }

telephony/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker.java

@@ -878,13 +878,19 @@ protected void fixTimeZone(String isoCountryCode) {
             // For NITZ string without time zone,
             // need adjust time to reflect default time zone setting
             zone = TimeZone.getDefault();
-            long tzOffset;
-            tzOffset = zone.getOffset(System.currentTimeMillis());
+            long ctm = System.currentTimeMillis();
+            long tzOffset = zone.getOffset(ctm);
+            if (DBG) {
+                log("fixTimeZone: tzOffset=" + tzOffset + " ltod=" + TimeUtils.logTimeOfDay(ctm));
+            }
             if (getAutoTime()) {
-                setAndBroadcastNetworkSetTime(System.currentTimeMillis() - tzOffset);
+                long adj = ctm - tzOffset;
+                if (DBG) log("fixTimeZone: adj ltod=" + TimeUtils.logTimeOfDay(adj));
+                setAndBroadcastNetworkSetTime(adj);
             } else {
                 // Adjust the saved NITZ time to account for tzOffset.
                 mSavedTime = mSavedTime - tzOffset;
+                if (DBG) log("fixTimeZone: adj mSavedTime=" + mSavedTime);
             }
             if (DBG) log("fixTimeZone: using default TimeZone");
         } else if (isoCountryCode.equals("")) {

telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java

@@ -923,10 +923,16 @@ private void pollStateDone() {
                         zone = TimeZone.getDefault();
                         // For NITZ string without timezone,
                         // need adjust time to reflect default timezone setting
-                        long tzOffset;
-                        tzOffset = zone.getOffset(System.currentTimeMillis());
+                        long ctm = System.currentTimeMillis();
+                        long tzOffset = zone.getOffset(ctm);
+                        if (DBG) {
+                            log("pollStateDone: tzOffset=" + tzOffset + " ltod=" +
+                                        TimeUtils.logTimeOfDay(ctm));
+                        }
                         if (getAutoTime()) {
-                            setAndBroadcastNetworkSetTime(System.currentTimeMillis() - tzOffset);
+                            long adj = ctm - tzOffset;
+                            if (DBG) log("pollStateDone: adj ltod=" + TimeUtils.logTimeOfDay(adj));
+                            setAndBroadcastNetworkSetTime(adj);
                         } else {
                             // Adjust the saved NITZ time to account for tzOffset.
                             mSavedTime = mSavedTime - tzOffset;