From a43db7f48dd27e80d2eb54b58f1c7099cfa414be Mon Sep 17 00:00:00 2001
From: Kazuhiro Ondo <kazuhiro.ondo@motorola.com>
Date: Wed, 13 Apr 2011 14:54:14 -0500
Subject: [PATCH] Clean up calls immediately if cid become inactive in unsol
 data state changed

Do not perform extra data call list query. Just trust the message sent up
from RIL.

Change-Id: Ic03f5cc13ef05fe1de8fb5826fa37a68708e8e18
---
 .../telephony/DataConnectionTracker.java      |  1 -
 .../gsm/GsmDataConnectionTracker.java         | 36 ++++++-------------
 2 files changed, 11 insertions(+), 26 deletions(-)

diff --git a/telephony/java/com/android/internal/telephony/DataConnectionTracker.java b/telephony/java/com/android/internal/telephony/DataConnectionTracker.java
index a2c08edb97ad0..d26890349628e 100644
--- a/telephony/java/com/android/internal/telephony/DataConnectionTracker.java
+++ b/telephony/java/com/android/internal/telephony/DataConnectionTracker.java
@@ -97,7 +97,6 @@ public abstract class DataConnectionTracker extends Handler {
     protected static final int EVENT_TRY_SETUP_DATA = 5;
     protected static final int EVENT_DATA_STATE_CHANGED = 6;
     protected static final int EVENT_POLL_PDP = 7;
-    protected static final int EVENT_GET_PDP_LIST_COMPLETE = 11;
     protected static final int EVENT_RADIO_OFF_OR_NOT_AVAILABLE = 12;
     protected static final int EVENT_VOICE_CALL_STARTED = 14;
     protected static final int EVENT_VOICE_CALL_ENDED = 15;
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
index 1d0e0fc7d3f78..aa400853eef21 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
@@ -960,7 +960,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
      * via an unsolicited response (which could have happened at any
      * previous state
      */
-    private void onDataStateChanged (AsyncResult ar, boolean explicitPoll) {
+    private void onDataStateChanged (AsyncResult ar) {
         ArrayList<DataCallState> dataCallStates;
 
         dataCallStates = (ArrayList<DataCallState>)(ar.result);
@@ -973,12 +973,11 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
         }
 
         for (ApnContext apnContext : mApnContexts.values()) {
-            onDataStateChanged(dataCallStates, explicitPoll, apnContext);
+            onDataStateChanged(dataCallStates, apnContext);
         }
     }
 
     private void onDataStateChanged (ArrayList<DataCallState> dataCallStates,
-                                     boolean explicitPoll,
                                      ApnContext apnContext) {
 
         if (apnContext == null) {
@@ -1008,25 +1007,16 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
                 return;
             } else if (!dataCallStatesHasActiveCID(dataCallStates,
                     apnContext.getDataConnection().getCid())) {
-                // Here, we only consider this authoritative if we asked for the
-                // PDP list. If it was an unsolicited response, we poll again
-                // to make sure everyone agrees on the initial state.
 
-                if (!explicitPoll) {
-                    // We think it disconnected but aren't sure...poll from our side
-                    mPhone.mCM.getPDPContextList(
-                            this.obtainMessage(EVENT_GET_PDP_LIST_COMPLETE));
-                } else {
-                    Log.i(LOG_TAG, "PDP connection has dropped (active=false case). "
+                Log.i(LOG_TAG, "PDP connection has dropped (active=false case). "
                                     + " Reconnecting");
 
-                    // Log the network drop on the event log.
-                    int cid = getCellLocationId();
-                    EventLog.writeEvent(EventLogTags.PDP_NETWORK_DROP, cid,
-                            TelephonyManager.getDefault().getNetworkType());
+                // Log the network drop on the event log.
+                int cid = getCellLocationId();
+                EventLog.writeEvent(EventLogTags.PDP_NETWORK_DROP, cid,
+                        TelephonyManager.getDefault().getNetworkType());
 
-                    cleanUpConnection(true, apnContext);
-                }
+                cleanUpConnection(true, apnContext);
             }
         }
     }
@@ -1178,7 +1168,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
                     // It's possible the PDP context went down and we weren't notified.
                     // Start polling the context list in an attempt to recover.
                     if (DBG) log("no DATAIN in a while; polling PDP");
-                    mPhone.mCM.getDataCallList(obtainMessage(EVENT_GET_PDP_LIST_COMPLETE));
+                    mPhone.mCM.getDataCallList(obtainMessage(EVENT_DATA_STATE_CHANGED));
 
                     mNoRecvPollCount++;
 
@@ -1613,7 +1603,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
     protected void onPollPdp() {
         if (getOverallState() == State.CONNECTED) {
             // only poll when connected
-            mPhone.mCM.getPDPContextList(this.obtainMessage(EVENT_GET_PDP_LIST_COMPLETE));
+            mPhone.mCM.getDataCallList(this.obtainMessage(EVENT_DATA_STATE_CHANGED));
             sendMessageDelayed(obtainMessage(EVENT_POLL_PDP), POLL_PDP_MILLIS);
         }
     }
@@ -1893,11 +1883,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
                 break;
 
             case EVENT_DATA_STATE_CHANGED:
-                onDataStateChanged((AsyncResult) msg.obj, false);
-                break;
-
-            case EVENT_GET_PDP_LIST_COMPLETE:
-                onDataStateChanged((AsyncResult) msg.obj, true);
+                onDataStateChanged((AsyncResult) msg.obj);
                 break;
 
             case EVENT_POLL_PDP: