Configure RAT dependent retry pattern in GSM DCT.

In case GSM DCT is used with EHRPD, retry pattern should follow
the ones for CDMA.

Bug: 5058426
Change-Id: Id9badc9ac14fb20ac62c1746061f056fa2f9ed1b

3 files changed, 47 insertions, 15 deletions

diff --git a/telephony/java/com/android/internal/telephony/DataConnectionTracker.java b/telephony/java/com/android/internal/telephony/DataConnectionTracker.java
index 977b412..923cc21 100644
--- a/telephony/java/com/android/internal/telephony/DataConnectionTracker.java
+++ b/telephony/java/com/android/internal/telephony/DataConnectionTracker.java
@@ -34,6 +34,7 @@ import android.os.Messenger;
 import android.os.SystemProperties;
 import android.preference.PreferenceManager;
 import android.provider.Settings;
+import android.telephony.ServiceState;
 import android.provider.Settings.SettingNotFoundException;
 import android.text.TextUtils;
 import android.util.Log;
@@ -993,6 +994,27 @@ public abstract class DataConnectionTracker extends Handler {
     protected void onSetDependencyMet(String apnType, boolean met) {
     }
 
+    protected String getReryConfig(boolean forDefault) {
+        int rt = mPhone.getServiceState().getRadioTechnology();
+
+        if ((rt == ServiceState.RADIO_TECHNOLOGY_IS95A) ||
+            (rt == ServiceState.RADIO_TECHNOLOGY_IS95B) ||
+            (rt == ServiceState.RADIO_TECHNOLOGY_1xRTT) ||
+            (rt == ServiceState.RADIO_TECHNOLOGY_EVDO_0) ||
+            (rt == ServiceState.RADIO_TECHNOLOGY_EVDO_A) ||
+            (rt == ServiceState.RADIO_TECHNOLOGY_EVDO_B) ||
+            (rt == ServiceState.RADIO_TECHNOLOGY_EHRPD)) {
+            // CDMA variant
+            return SystemProperties.get("ro.cdma.data_retry_config");
+        } else {
+            // Use GSM varient for all others.
+            if (forDefault) {
+                return SystemProperties.get("ro.gsm.data_retry_config");
+            } else {
+                return SystemProperties.get("ro.gsm.2nd_data_retry_config");
+            }
+        }
+    }
 
     protected void resetAllRetryCounts() {
         for (DataConnection dc : mDataConnections.values()) {
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java b/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java
index dd7ec2f..aa56cca 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java
@@ -247,10 +247,11 @@ public class CdmaLteServiceStateTracker extends CdmaServiceStateTracker {
         boolean hasLocationChanged = !newCellLoc.equals(cellLoc);
 
         boolean has4gHandoff =
-                ((networkType == ServiceState.RADIO_TECHNOLOGY_LTE) &&
-                 (newNetworkType == ServiceState.RADIO_TECHNOLOGY_EHRPD)) ||
-                ((networkType == ServiceState.RADIO_TECHNOLOGY_EHRPD) &&
-                 (newNetworkType == ServiceState.RADIO_TECHNOLOGY_LTE));
+                mNewDataConnectionState == ServiceState.STATE_IN_SERVICE &&
+                (((networkType == ServiceState.RADIO_TECHNOLOGY_LTE) &&
+                  (newNetworkType == ServiceState.RADIO_TECHNOLOGY_EHRPD)) ||
+                 ((networkType == ServiceState.RADIO_TECHNOLOGY_EHRPD) &&
+                  (newNetworkType == ServiceState.RADIO_TECHNOLOGY_LTE)));
 
         boolean hasMultiApnSupport =
                 (((newNetworkType == ServiceState.RADIO_TECHNOLOGY_LTE) ||
@@ -391,7 +392,7 @@ public class CdmaLteServiceStateTracker extends CdmaServiceStateTracker {
             phone.notifyServiceStateChanged(ss);
         }
 
-        if (hasCdmaDataConnectionAttached) {
+        if (hasCdmaDataConnectionAttached || has4gHandoff) {
             mAttachedRegistrants.notifyRegistrants();
         }
 
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
index ccdb0bf..b187aee 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java
@@ -609,9 +609,20 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
         for (DataConnectionAc dcac : mDataConnectionAsyncChannels.values()) {
             if (dcac.getReconnectIntentSync() != null) {
                 cancelReconnectAlarm(dcac);
-                if (dcac.dataConnection != null) {
-                    dcac.dataConnection.resetRetryCount();
+            }
+            // update retry config for existing calls to match up
+            // ones for the new RAT.
+            if (dcac.dataConnection != null) {
+                Collection<ApnContext> apns = dcac.getApnListSync();
+
+                boolean hasDefault = false;
+                for (ApnContext apnContext : apns) {
+                    if (apnContext.getApnType().equals(Phone.APN_TYPE_DEFAULT)) {
+                        hasDefault = true;
+                        break;
+                    }
                 }
+                configureRetry(dcac.dataConnection, hasDefault);
             }
         }
 
@@ -973,7 +984,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
 
             // configure retry count if no other Apn is using the same connection.
             if (refCount == 0) {
-                configureRetry(dc, apnContext.getApnType());
+                configureRetry(dc, apn.canHandleType(Phone.APN_TYPE_DEFAULT));
             }
             apnContext.setDataConnectionAc(dcac);
             apnContext.setDataConnection(dc);
@@ -2022,20 +2033,18 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
         return conn;
     }
 
-    private void configureRetry(DataConnection dc, String apnType) {
-        if ((dc == null) || (apnType == null)) return;
+    private void configureRetry(DataConnection dc, boolean forDefault) {
+        if (dc == null) return;
 
-        if (apnType.equals(Phone.APN_TYPE_DEFAULT)) {
-            if (!dc.configureRetry(SystemProperties.get("ro.gsm.data_retry_config"))) {
+        if (!dc.configureRetry(getReryConfig(forDefault))) {
+            if (forDefault) {
                 if (!dc.configureRetry(DEFAULT_DATA_RETRY_CONFIG)) {
                     // Should never happen, log an error and default to a simple linear sequence.
                     loge("configureRetry: Could not configure using " +
                             "DEFAULT_DATA_RETRY_CONFIG=" + DEFAULT_DATA_RETRY_CONFIG);
                     dc.configureRetry(20, 2000, 1000);
                 }
-            }
-        } else {
-            if (!dc.configureRetry(SystemProperties.get("ro.gsm.2nd_data_retry_config"))) {
+            } else {
                 if (!dc.configureRetry(SECONDARY_DATA_RETRY_CONFIG)) {
                     // Should never happen, log an error and default to a simple sequence.
                     loge("configureRetry: Could note configure using " +