Fix data connection issues.

a)Fix cleanup connection being called twice when switching to wifi.
b) Reset the reconnect timer when voice call ends and APN is changed.

2 files changed, 10 insertions, 30 deletions

diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnectionTracker.java b/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnectionTracker.java
index 42f8fac..c922cec 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnectionTracker.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaDataConnectionTracker.java
@@ -404,6 +404,8 @@ public final class CdmaDataConnectionTracker extends DataConnectionTracker {
             mReconnectIntent = null;
         }
 
+        setState(State.DISCONNECTING);
+
         for (DataConnection connBase : dataConnectionList) {
             CdmaDataConnection conn = (CdmaDataConnection) connBase;
 
@@ -419,24 +421,9 @@ public final class CdmaDataConnectionTracker extends DataConnectionTracker {
 
         stopNetStatPoll();
 
-        /*
-         * If we've been asked to tear down the connection,
-         * set the state to DISCONNECTING. However, there's
-         * a race that can occur if for some reason we were
-         * already in the IDLE state. In that case, the call
-         * to conn.disconnect() above will immediately post
-         * a message to the handler thread that the disconnect
-         * is done, and if the handler runs before the code
-         * below does, the handler will have set the state to
-         * IDLE before the code below runs. If we didn't check
-         * for that, future calls to trySetupData would fail,
-         * and we would never get out of the DISCONNECTING state.
-         */
         if (!tearDown) {
             setState(State.IDLE);
             phone.notifyDataConnection(reason);
-        } else if (state != State.IDLE) {
-            setState(State.DISCONNECTING);
         }
     }
 
@@ -811,6 +798,8 @@ public final class CdmaDataConnectionTracker extends DataConnectionTracker {
                 resetPollStats();
             }
         } else {
+            // reset reconnect timer
+            nextReconnectDelay = RECONNECT_DELAY_INITIAL_MILLIS;
             // in case data setup was attempted when we were on a voice call
             trySetupData(Phone.REASON_VOICE_CALL_ENDED);
         }
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
index 270f78b..71af406 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
@@ -636,6 +636,8 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
             mReconnectIntent = null;
         }
 
+        setState(State.DISCONNECTING);
+
         for (DataConnection conn : pdpList) {
             PdpConnection pdp = (PdpConnection) conn;
             if (tearDown) {
@@ -647,25 +649,10 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
         }
         stopNetStatPoll();
 
-        /*
-         * If we've been asked to tear down the connection,
-         * set the state to DISCONNECTING. However, there's
-         * a race that can occur if for some reason we were
-         * already in the IDLE state. In that case, the call
-         * to pdp.disconnect() above will immediately post
-         * a message to the handler thread that the disconnect
-         * is done, and if the handler runs before the code
-         * below does, the handler will have set the state to
-         * IDLE before the code below runs. If we didn't check
-         * for that, future calls to trySetupData would fail,
-         * and we would never get out of the DISCONNECTING state.
-         */
         if (!tearDown) {
             setState(State.IDLE);
             phone.notifyDataConnection(reason);
             mActiveApn = null;
-        } else if (state != State.IDLE) {
-            setState(State.DISCONNECTING);
         }
     }
 
@@ -813,6 +800,8 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
         if (state != State.DISCONNECTING) {
             cleanUpConnection(isConnected, Phone.REASON_APN_CHANGED);
             if (!isConnected) {
+                // reset reconnect timer
+                nextReconnectDelay = RECONNECT_DELAY_INITIAL_MILLIS;
                 trySetupData(Phone.REASON_APN_CHANGED);
             }
         }
@@ -1406,6 +1395,8 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
                 resetPollStats();
             }
         } else {
+            // reset reconnect timer
+            nextReconnectDelay = RECONNECT_DELAY_INITIAL_MILLIS;
             // in case data setup was attempted when we were on a voice call
             trySetupData(Phone.REASON_VOICE_CALL_ENDED);
         }