Merge changes from topics "data_retry", "setup_data"

* changes:
  Added data retry support
  Added setup/tear down data support

5 files changed, 217 insertions, 20 deletions

diff --git a/core/java/android/provider/Telephony.java b/core/java/android/provider/Telephony.java
index 1b2646549dce..b79b3d8083e8 100644
--- a/core/java/android/provider/Telephony.java
+++ b/core/java/android/provider/Telephony.java
@@ -3584,6 +3584,23 @@ public final class Telephony {
                 "content://telephony/carriers/enforce_managed");
 
         /**
+         * The {@code content://} style URL for the perferred APN used for internet.
+         *
+         * @hide
+         */
+        public static final Uri PREFERRED_APN_URI = Uri.parse(
+                "content://telephony/carriers/preferapn/subId/");
+
+        /**
+         * The {@code content://} style URL for the perferred APN set id.
+         *
+         * @hide
+         */
+        public static final Uri PREFERRED_APN_SET_URI = Uri.parse(
+                "content://telephony/carriers/preferapnset/subId/");
+
+
+        /**
          * The column name for ENFORCE_MANAGED_URI, indicates whether DPC-owned APNs are enforced.
          * @hide
          */
diff --git a/telephony/java/android/telephony/Annotation.java b/telephony/java/android/telephony/Annotation.java
index 23cf5116b2da..e88106cb95fe 100644
--- a/telephony/java/android/telephony/Annotation.java
+++ b/telephony/java/android/telephony/Annotation.java
@@ -1,6 +1,8 @@
 package android.telephony;
 
 import android.annotation.IntDef;
+import android.net.NetworkAgent;
+import android.net.NetworkCapabilities;
 import android.telecom.Connection;
 import android.telephony.data.ApnSetting;
 
@@ -664,4 +666,59 @@ public class Annotation {
         TelephonyManager.THERMAL_MITIGATION_RESULT_INVALID_STATE,
         TelephonyManager.THERMAL_MITIGATION_RESULT_UNKNOWN_ERROR})
     public @interface ThermalMitigationResult {}
+
+    /**
+     * Per Android API guideline 8.15, annotation can't be public APIs. So duplicate
+     * android.net.NetworkCapabilities.NetCapability here. Must update here when new capabilities
+     * are added in {@link NetworkCapabilities}.
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = { "NET_CAPABILITY_" }, value = {
+            NetworkCapabilities.NET_CAPABILITY_MMS,
+            NetworkCapabilities.NET_CAPABILITY_SUPL,
+            NetworkCapabilities.NET_CAPABILITY_DUN,
+            NetworkCapabilities.NET_CAPABILITY_FOTA,
+            NetworkCapabilities.NET_CAPABILITY_IMS,
+            NetworkCapabilities.NET_CAPABILITY_CBS,
+            NetworkCapabilities.NET_CAPABILITY_WIFI_P2P,
+            NetworkCapabilities.NET_CAPABILITY_IA,
+            NetworkCapabilities.NET_CAPABILITY_RCS,
+            NetworkCapabilities.NET_CAPABILITY_XCAP,
+            NetworkCapabilities.NET_CAPABILITY_EIMS,
+            NetworkCapabilities.NET_CAPABILITY_NOT_METERED,
+            NetworkCapabilities.NET_CAPABILITY_INTERNET,
+            NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED,
+            NetworkCapabilities.NET_CAPABILITY_TRUSTED,
+            NetworkCapabilities.NET_CAPABILITY_NOT_VPN,
+            NetworkCapabilities.NET_CAPABILITY_VALIDATED,
+            NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL,
+            NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING,
+            NetworkCapabilities.NET_CAPABILITY_FOREGROUND,
+            NetworkCapabilities.NET_CAPABILITY_NOT_CONGESTED,
+            NetworkCapabilities.NET_CAPABILITY_NOT_SUSPENDED,
+            NetworkCapabilities.NET_CAPABILITY_OEM_PAID,
+            NetworkCapabilities.NET_CAPABILITY_MCX,
+            NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY,
+            NetworkCapabilities.NET_CAPABILITY_TEMPORARILY_NOT_METERED,
+            NetworkCapabilities.NET_CAPABILITY_OEM_PRIVATE,
+            NetworkCapabilities.NET_CAPABILITY_VEHICLE_INTERNAL,
+            NetworkCapabilities.NET_CAPABILITY_NOT_VCN_MANAGED,
+            NetworkCapabilities.NET_CAPABILITY_ENTERPRISE,
+            NetworkCapabilities.NET_CAPABILITY_VSIM,
+            NetworkCapabilities.NET_CAPABILITY_BIP,
+            NetworkCapabilities.NET_CAPABILITY_HEAD_UNIT,
+    })
+    public @interface NetCapability { }
+
+    /**
+     * Per Android API guideline 8.15, annotation can't be public APIs. So duplicate
+     * android.net.NetworkAgent.ValidationStatus here. Must update here when new validation status
+     * are added in {@link NetworkAgent}.
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = { "VALIDATION_STATUS_" }, value = {
+            NetworkAgent.VALIDATION_STATUS_VALID,
+            NetworkAgent.VALIDATION_STATUS_NOT_VALID
+    })
+    public @interface ValidationStatus {}
 }
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 4f94a6213234..8f957fd6c855 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -5465,13 +5465,11 @@ public class CarrierConfigManager {
     public static final String KEY_APN_PRIORITY_STRING_ARRAY = "apn_priority_string_array";
 
     /**
-     * Network capability priority for determine the satisfy order in telephony. This is used when
-     * the network only allows single PDN. The priority is from the lowest 0 to the highest 100.
-     * The long-lived network request usually has the lowest priority. This allows other short-lived
-     * requests like MMS requests to be established. Emergency request always has the highest
-     * priority.
+     * Network capability priority for determine the satisfy order in telephony. The priority is
+     * from the lowest 0 to the highest 100. The long-lived network shall have the lowest priority.
+     * This allows other short-lived requests like MMS requests to be established. Emergency request
+     * always has the highest priority.
      *
-     * // TODO: Remove KEY_APN_PRIORITY_STRING_ARRAY
      * @hide
      */
     public static final String KEY_TELEPHONY_NETWORK_CAPABILITY_PRIORITIES_STRING_ARRAY =
@@ -5481,17 +5479,17 @@ public class CarrierConfigManager {
      * Defines the rules for data retry.
      *
      * The syntax of the retry rule:
-     * 1. Retry based on {@link NetworkCapabilities}
-     * "capabilities=[netCaps1|netCaps2|...], [retry_interval=x], [backoff=[true|false]],
-     *     [maximum_retries=y]"
+     * 1. Retry based on {@link NetworkCapabilities}. Note that only APN-type network capabilities
+     *    are supported.
+     * "capabilities=[netCaps1|netCaps2|...], [retry_interval=n1|n2|n3|n4...], [maximum_retries=n]"
      *
      * 2. Retry based on {@link DataFailCause}
-     * "fail_causes=[cause1|cause2|cause3|...], [retry_interval=x], [backoff=[true|false]],
-     *     [maximum_retries=y]"
+     * "fail_causes=[cause1|cause2|cause3|..], [retry_interval=n1|n2|n3|n4...], [maximum_retries=n]"
      *
-     * 3. Retry based on {@link NetworkCapabilities} and {@link DataFailCause}
+     * 3. Retry based on {@link NetworkCapabilities} and {@link DataFailCause}. Note that only
+     *    APN-type network capabilities are supported.
      * "capabilities=[netCaps1|netCaps2|...], fail_causes=[cause1|cause2|cause3|...],
-     *     [retry_interval=x], [backoff=[true|false]], [maximum_retries=y]"
+     *     [retry_interval=n1|n2|n3|n4...], [maximum_retries=n]"
      *
      * For example,
      * "capabilities=eims, retry_interval=1000, maximum_retries=20" means if the attached
@@ -5500,7 +5498,12 @@ public class CarrierConfigManager {
      *
      * "fail_causes=8|27|28|29|30|32|33|35|50|51|111|-5|-6|65537|65538|-3|2253|2254
      * , maximum_retries=0" means for those fail causes, never retry with timers. Note that
-     * when environment changes, retry can still happens.
+     * when environment changes, retry can still happen.
+     *
+     * "capabilities=internet|enterprise|dun|ims|fota, retry_interval=2500|3000|"
+     * "5000|10000|15000|20000|40000|60000|120000|240000|600000|1200000|1800000"
+     * "1800000, maximum_retries=20" means for those capabilities, retry happens in 2.5s, 3s, 5s,
+     * 10s, 15s, 20s, 40s, 1m, 2m, 4m, 10m, 20m, 30m, 30m, 30m, until reaching 20 retries.
      *
      * // TODO: remove KEY_CARRIER_DATA_CALL_RETRY_CONFIG_STRINGS
      * @hide
@@ -6276,6 +6279,9 @@ public class CarrierConfigManager {
                 "enterprise:0", "default:1", "mms:2", "supl:2", "dun:2", "hipri:3", "fota:2",
                 "ims:2", "cbs:2", "ia:2", "emergency:2", "mcx:3", "xcap:3"
         });
+
+        // Do not modify the priority unless you know what you are doing. This will have significant
+        // impacts on the order of data network setup.
         sDefaults.putStringArray(
                 KEY_TELEPHONY_NETWORK_CAPABILITY_PRIORITIES_STRING_ARRAY, new String[] {
                         "eims:90", "supl:80", "mms:70", "xcap:70", "cbs:50", "mcx:50", "fota:50",
@@ -6286,9 +6292,10 @@ public class CarrierConfigManager {
                         "capabilities=eims, retry_interval=1000, maximum_retries=20",
                         "fail_causes=8|27|28|29|30|32|33|35|50|51|111|-5|-6|65537|65538|-3|2253|"
                                 + "2254, maximum_retries=0", // No retry for those causes
-                        "capabilities=internet|enterprise|dun|ims|fota, retry_interval=2000, "
-                                + "backoff=true, maximum_retries=13",
-                        "capabilities=mms|supl|cbs, retry_interval=2000"
+                        "capabilities=mms|supl|cbs, retry_interval=2000",
+                        "capabilities=internet|enterprise|dun|ims|fota, retry_interval=2500|3000|"
+                                + "5000|10000|15000|20000|40000|60000|120000|240000|"
+                                + "600000|1200000|1800000, maximum_retries=20"
                 });
         sDefaults.putStringArray(KEY_MISSED_INCOMING_CALL_SMS_PATTERN_STRING_ARRAY, new String[0]);
         sDefaults.putBoolean(KEY_DISABLE_DUN_APN_WHILE_ROAMING_WITH_PRESET_APN_BOOL, false);
diff --git a/telephony/java/android/telephony/DataFailCause.java b/telephony/java/android/telephony/DataFailCause.java
index 88efe1f6a4a7..56bf3039d209 100644
--- a/telephony/java/android/telephony/DataFailCause.java
+++ b/telephony/java/android/telephony/DataFailCause.java
@@ -1076,6 +1076,13 @@ public final class DataFailCause {
      */
     public static final int SERVICE_TEMPORARILY_UNAVAILABLE = 0x10009;
 
+    /**
+     * The request is not supported by the vendor.
+     *
+     * @hide
+     */
+    public static final int REQUEST_NOT_SUPPORTED = 0x1000A;
+
     private static final Map<Integer, String> sFailCauseMap;
     static {
         sFailCauseMap = new HashMap<>();
diff --git a/telephony/java/android/telephony/data/DataProfile.java b/telephony/java/android/telephony/data/DataProfile.java
index 93903d2658cd..c1d16a9aaea7 100644
--- a/telephony/java/android/telephony/data/DataProfile.java
+++ b/telephony/java/android/telephony/data/DataProfile.java
@@ -18,13 +18,16 @@ package android.telephony.data;
 
 import static android.telephony.data.ApnSetting.ProtocolType;
 
+import android.annotation.ElapsedRealtimeLong;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
+import android.net.NetworkCapabilities;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.telephony.Annotation.ApnType;
+import android.telephony.Annotation.NetCapability;
 import android.telephony.TelephonyManager;
 import android.telephony.TelephonyManager.NetworkTypeBitMask;
 import android.telephony.data.ApnSetting.AuthType;
@@ -66,7 +69,13 @@ public final class DataProfile implements Parcelable {
 
     private final @Nullable TrafficDescriptor mTrafficDescriptor;
 
-    private final boolean mPreferred;
+    private boolean mPreferred;
+
+    /**
+     * The last timestamp of this data profile being used for data network setup. Never add this
+     * to {@link #equals(Object)} and {@link #hashCode()}.
+     */
+    private @ElapsedRealtimeLong long mSetupTimestamp;
 
     private DataProfile(@NonNull Builder builder) {
         mApnSetting = builder.mApnSetting;
@@ -99,6 +108,7 @@ public final class DataProfile implements Parcelable {
         mApnSetting = source.readParcelable(ApnSetting.class.getClassLoader());
         mTrafficDescriptor = source.readParcelable(TrafficDescriptor.class.getClassLoader());
         mPreferred = source.readBoolean();
+        mSetupTimestamp = source.readLong();
     }
 
     /**
@@ -291,6 +301,16 @@ public final class DataProfile implements Parcelable {
     }
 
     /**
+     * Set the preferred flag for the data profile.
+     *
+     * @param preferred {@code true} if this data profile is preferred for internet.
+     * @hide
+     */
+    public void setPreferred(boolean preferred) {
+        mPreferred = preferred;
+    }
+
+    /**
      * @return {@code true} if this data profile was used to bring up the last default
      * (i.e internet) data connection successfully, or the one chosen by the user in Settings'
      * APN editor. For one carrier there can be only one profiled preferred.
@@ -315,6 +335,94 @@ public final class DataProfile implements Parcelable {
         return mTrafficDescriptor;
     }
 
+    /**
+     * Check if this data profile can satisfy certain network capabilities
+     *
+     * @param networkCapabilities The network capabilities. Note that the non-APN-type capabilities
+     * will be ignored.
+     *
+     * @return {@code true} if this data profile can satisfy the given network capabilities.
+     * @hide
+     */
+    public boolean canSatisfy(@NonNull @NetCapability int[] networkCapabilities) {
+        if (mApnSetting != null) {
+            for (int netCap : networkCapabilities) {
+                if (!canSatisfy(netCap)) {
+                    return false;
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Check if this data profile can satisfy a certain network capability.
+     *
+     * @param networkCapability The network capability. Note that the non-APN-type capability
+     * will always be satisfied.
+     * @return {@code true} if this data profile can satisfy the given network capability.
+     * @hide
+     */
+    public boolean canSatisfy(@NetCapability int networkCapability) {
+        return mApnSetting != null && mApnSetting.canHandleType(
+                networkCapabilityToApnType(networkCapability));
+    }
+
+    /**
+     * Convert network capability into APN type.
+     *
+     * @param networkCapability Network capability.
+     * @return APN type.
+     * @hide
+     */
+    private static @ApnType int networkCapabilityToApnType(@NetCapability int networkCapability) {
+        switch (networkCapability) {
+            case NetworkCapabilities.NET_CAPABILITY_MMS:
+                return ApnSetting.TYPE_MMS;
+            case NetworkCapabilities.NET_CAPABILITY_SUPL:
+                return ApnSetting.TYPE_SUPL;
+            case NetworkCapabilities.NET_CAPABILITY_DUN:
+                return ApnSetting.TYPE_DUN;
+            case NetworkCapabilities.NET_CAPABILITY_FOTA:
+                return ApnSetting.TYPE_FOTA;
+            case NetworkCapabilities.NET_CAPABILITY_IMS:
+                return ApnSetting.TYPE_IMS;
+            case NetworkCapabilities.NET_CAPABILITY_CBS:
+                return ApnSetting.TYPE_CBS;
+            case NetworkCapabilities.NET_CAPABILITY_XCAP:
+                return ApnSetting.TYPE_XCAP;
+            case NetworkCapabilities.NET_CAPABILITY_EIMS:
+                return ApnSetting.TYPE_EMERGENCY;
+            case NetworkCapabilities.NET_CAPABILITY_INTERNET:
+                return ApnSetting.TYPE_DEFAULT;
+            case NetworkCapabilities.NET_CAPABILITY_MCX:
+                return ApnSetting.TYPE_MCX;
+            case NetworkCapabilities.NET_CAPABILITY_IA:
+                return ApnSetting.TYPE_IA;
+            default:
+                return ApnSetting.TYPE_NONE;
+        }
+    }
+
+    /**
+     * Set the timestamp of this data profile being used for data network setup.
+     *
+     * @hide
+     */
+    public void setLastSetupTimestamp(@ElapsedRealtimeLong long timestamp) {
+        mSetupTimestamp = timestamp;
+    }
+
+    /**
+     * @return the timestamp of this data profile being used for data network setup.
+     *
+     * @hide
+     */
+    public @ElapsedRealtimeLong long getLastSetupTimestamp() {
+        return mSetupTimestamp;
+    }
+
     @Override
     public int describeContents() {
         return 0;
@@ -323,8 +431,8 @@ public final class DataProfile implements Parcelable {
     @NonNull
     @Override
     public String toString() {
-        return "DataProfile=" + mApnSetting + ", " + mTrafficDescriptor + ", preferred="
-                + mPreferred;
+        return "[DataProfile=" + mApnSetting + ", " + mTrafficDescriptor + ", preferred="
+                + mPreferred + "]";
     }
 
     @Override
@@ -333,6 +441,7 @@ public final class DataProfile implements Parcelable {
         dest.writeParcelable(mApnSetting, flags);
         dest.writeParcelable(mTrafficDescriptor, flags);
         dest.writeBoolean(mPreferred);
+        dest.writeLong(mSetupTimestamp);
     }
 
     public static final @android.annotation.NonNull Parcelable.Creator<DataProfile> CREATOR =