Added global retry support

The retry timer suggested by the network will persist
accross network requests. Also changed the retry timer
to a 64-bit value to be consistent with types used in
Android time APIs.

Test: FrameworksTelephonytests
Fix: 159672248
Change-Id: I632d4dc07fb545fa04eb3aefb0ff3270ee8f6ff8

api/system-current.txt

@@ -12030,7 +12030,8 @@ package android.telephony.data {
     method public int getMtuV6();
     method @NonNull public java.util.List<java.net.InetAddress> getPcscfAddresses();
     method public int getProtocolType();
-    method public int getSuggestedRetryTime();
+    method public long getRetryIntervalMillis();
+    method @Deprecated public int getSuggestedRetryTime();
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.telephony.data.DataCallResponse> CREATOR;
     field public static final int HANDOVER_FAILURE_MODE_DO_FALLBACK = 1; // 0x1
@@ -12042,6 +12043,7 @@ package android.telephony.data {
     field public static final int LINK_STATUS_DORMANT = 1; // 0x1
     field public static final int LINK_STATUS_INACTIVE = 0; // 0x0
     field public static final int LINK_STATUS_UNKNOWN = -1; // 0xffffffff
+    field public static final int RETRY_INTERVAL_UNDEFINED = -1; // 0xffffffff
   }
 
   public static final class DataCallResponse.Builder {
@@ -12060,7 +12062,8 @@ package android.telephony.data {
     method @NonNull public android.telephony.data.DataCallResponse.Builder setMtuV6(int);
     method @NonNull public android.telephony.data.DataCallResponse.Builder setPcscfAddresses(@NonNull java.util.List<java.net.InetAddress>);
     method @NonNull public android.telephony.data.DataCallResponse.Builder setProtocolType(int);
-    method @NonNull public android.telephony.data.DataCallResponse.Builder setSuggestedRetryTime(int);
+    method @NonNull public android.telephony.data.DataCallResponse.Builder setRetryIntervalMillis(long);
+    method @Deprecated @NonNull public android.telephony.data.DataCallResponse.Builder setSuggestedRetryTime(int);
   }
 
   public final class DataProfile implements android.os.Parcelable {

non-updatable-api/system-current.txt

@@ -10885,7 +10885,8 @@ package android.telephony.data {
     method public int getMtuV6();
     method @NonNull public java.util.List<java.net.InetAddress> getPcscfAddresses();
     method public int getProtocolType();
-    method public int getSuggestedRetryTime();
+    method public long getRetryIntervalMillis();
+    method @Deprecated public int getSuggestedRetryTime();
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.telephony.data.DataCallResponse> CREATOR;
     field public static final int HANDOVER_FAILURE_MODE_DO_FALLBACK = 1; // 0x1
@@ -10897,6 +10898,7 @@ package android.telephony.data {
     field public static final int LINK_STATUS_DORMANT = 1; // 0x1
     field public static final int LINK_STATUS_INACTIVE = 0; // 0x0
     field public static final int LINK_STATUS_UNKNOWN = -1; // 0xffffffff
+    field public static final int RETRY_INTERVAL_UNDEFINED = -1; // 0xffffffff
   }
 
   public static final class DataCallResponse.Builder {
@@ -10915,7 +10917,8 @@ package android.telephony.data {
     method @NonNull public android.telephony.data.DataCallResponse.Builder setMtuV6(int);
     method @NonNull public android.telephony.data.DataCallResponse.Builder setPcscfAddresses(@NonNull java.util.List<java.net.InetAddress>);
     method @NonNull public android.telephony.data.DataCallResponse.Builder setProtocolType(int);
-    method @NonNull public android.telephony.data.DataCallResponse.Builder setSuggestedRetryTime(int);
+    method @NonNull public android.telephony.data.DataCallResponse.Builder setRetryIntervalMillis(long);
+    method @Deprecated @NonNull public android.telephony.data.DataCallResponse.Builder setSuggestedRetryTime(int);
   }
 
   public final class DataProfile implements android.os.Parcelable {

telephony/java/android/telephony/data/DataCallResponse.java

@@ -109,8 +109,14 @@ public final class DataCallResponse implements Parcelable {
      */
     public static final int HANDOVER_FAILURE_MODE_NO_FALLBACK_RETRY_SETUP_NORMAL = 3;
 
+    /**
+     * Indicates that data retry interval is not specified. Platform can determine when to
+     * perform data setup appropriately.
+     */
+    public static final int RETRY_INTERVAL_UNDEFINED = -1;
+
     private final @DataFailureCause int mCause;
-    private final int mSuggestedRetryTime;
+    private final long mSuggestedRetryTime;
     private final int mId;
     private final @LinkStatus int mLinkStatus;
     private final @ProtocolType int mProtocolType;
@@ -172,7 +178,7 @@ public final class DataCallResponse implements Parcelable {
         mHandoverFailureMode = HANDOVER_FAILURE_MODE_LEGACY;
     }
 
-    private DataCallResponse(@DataFailureCause int cause, int suggestedRetryTime, int id,
+    private DataCallResponse(@DataFailureCause int cause, long suggestedRetryTime, int id,
             @LinkStatus int linkStatus, @ProtocolType int protocolType,
             @Nullable String interfaceName, @Nullable List<LinkAddress> addresses,
             @Nullable List<InetAddress> dnsAddresses, @Nullable List<InetAddress> gatewayAddresses,
@@ -202,7 +208,7 @@ public final class DataCallResponse implements Parcelable {
     @VisibleForTesting
     public DataCallResponse(Parcel source) {
         mCause = source.readInt();
-        mSuggestedRetryTime = source.readInt();
+        mSuggestedRetryTime = source.readLong();
         mId = source.readInt();
         mLinkStatus = source.readInt();
         mProtocolType = source.readInt();
@@ -229,8 +235,22 @@ public final class DataCallResponse implements Parcelable {
 
     /**
      * @return The suggested data retry time in milliseconds.
+     *
+     * @deprecated Use {@link #getRetryIntervalMillis()} instead.
      */
-    public int getSuggestedRetryTime() { return mSuggestedRetryTime; }
+    @Deprecated
+    public int getSuggestedRetryTime() {
+        return (int) mSuggestedRetryTime;
+    }
+
+    /**
+     * @return The network suggested data retry interval in milliseconds. {@code Long.MAX_VALUE}
+     * indicates data retry should not occur. {@link #RETRY_INTERVAL_UNDEFINED} indicates network
+     * did not suggest any retry interval.
+     */
+    public long getRetryIntervalMillis() {
+        return mSuggestedRetryTime;
+    }
 
     /**
      * @return The unique id of the data connection.
@@ -382,7 +402,7 @@ public final class DataCallResponse implements Parcelable {
     @Override
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeInt(mCause);
-        dest.writeInt(mSuggestedRetryTime);
+        dest.writeLong(mSuggestedRetryTime);
         dest.writeInt(mId);
         dest.writeInt(mLinkStatus);
         dest.writeInt(mProtocolType);
@@ -446,7 +466,7 @@ public final class DataCallResponse implements Parcelable {
     public static final class Builder {
         private @DataFailureCause int mCause;
 
-        private int mSuggestedRetryTime;
+        private long mSuggestedRetryTime = RETRY_INTERVAL_UNDEFINED;
 
         private int mId;
 
@@ -494,9 +514,23 @@ public final class DataCallResponse implements Parcelable {
          *
          * @param suggestedRetryTime The suggested data retry time in milliseconds.
          * @return The same instance of the builder.
+         *
+         * @deprecated Use {@link #setRetryIntervalMillis(long)} instead.
          */
+        @Deprecated
         public @NonNull Builder setSuggestedRetryTime(int suggestedRetryTime) {
-            mSuggestedRetryTime = suggestedRetryTime;
+            mSuggestedRetryTime = (long) suggestedRetryTime;
+            return this;
+        }
+
+        /**
+         * Set the network suggested data retry interval.
+         *
+         * @param retryIntervalMillis The suggested data retry interval in milliseconds.
+         * @return The same instance of the builder.
+         */
+        public @NonNull Builder setRetryIntervalMillis(long retryIntervalMillis) {
+            mSuggestedRetryTime = retryIntervalMillis;
             return this;
         }