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      1 /*
      2  * Copyright (C) 2006 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.internal.telephony.dataconnection;
     17 
     18 import android.content.res.Resources;
     19 import java.util.HashMap;
     20 
     21 /**
     22  * Returned as the reason for a connection failure as defined
     23  * by RIL_DataCallFailCause in ril.h and some local errors.
     24  */
     25 public enum DcFailCause {
     26     NONE(0),
     27 
     28     // This series of errors as specified by the standards
     29     // specified in ril.h
     30     OPERATOR_BARRED(0x08),                  /* no retry */
     31     INSUFFICIENT_RESOURCES(0x1A),
     32     MISSING_UNKNOWN_APN(0x1B),              /* no retry */
     33     UNKNOWN_PDP_ADDRESS_TYPE(0x1C),         /* no retry */
     34     USER_AUTHENTICATION(0x1D),              /* no retry */
     35     ACTIVATION_REJECT_GGSN(0x1E),           /* no retry */
     36     ACTIVATION_REJECT_UNSPECIFIED(0x1F),
     37     SERVICE_OPTION_NOT_SUPPORTED(0x20),     /* no retry */
     38     SERVICE_OPTION_NOT_SUBSCRIBED(0x21),    /* no retry */
     39     SERVICE_OPTION_OUT_OF_ORDER(0x22),
     40     NSAPI_IN_USE(0x23),                     /* no retry */
     41     REGULAR_DEACTIVATION(0x24),             /* possibly restart radio, based on config */
     42     ONLY_IPV4_ALLOWED(0x32),                /* no retry */
     43     ONLY_IPV6_ALLOWED(0x33),                /* no retry */
     44     ONLY_SINGLE_BEARER_ALLOWED(0x34),
     45     PROTOCOL_ERRORS(0x6F),                  /* no retry */
     46 
     47     // Local errors generated by Vendor RIL
     48     // specified in ril.h
     49     REGISTRATION_FAIL(-1),
     50     GPRS_REGISTRATION_FAIL(-2),
     51     SIGNAL_LOST(-3),
     52     PREF_RADIO_TECH_CHANGED(-4),            /* no retry */
     53     RADIO_POWER_OFF(-5),                    /* no retry */
     54     TETHERED_CALL_ACTIVE(-6),               /* no retry */
     55     ERROR_UNSPECIFIED(0xFFFF),
     56 
     57     // Errors generated by the Framework
     58     // specified here
     59     UNKNOWN(0x10000),
     60     RADIO_NOT_AVAILABLE(0x10001),                   /* no retry */
     61     UNACCEPTABLE_NETWORK_PARAMETER(0x10002),        /* no retry */
     62     CONNECTION_TO_DATACONNECTIONAC_BROKEN(0x10003),
     63     LOST_CONNECTION(0x10004),
     64     RESET_BY_FRAMEWORK(0x10005);
     65 
     66     private final boolean mRestartRadioOnRegularDeactivation = Resources.getSystem().getBoolean(
     67             com.android.internal.R.bool.config_restart_radio_on_pdp_fail_regular_deactivation);
     68     private final int mErrorCode;
     69     private static final HashMap<Integer, DcFailCause> sErrorCodeToFailCauseMap;
     70     static {
     71         sErrorCodeToFailCauseMap = new HashMap<Integer, DcFailCause>();
     72         for (DcFailCause fc : values()) {
     73             sErrorCodeToFailCauseMap.put(fc.getErrorCode(), fc);
     74         }
     75     }
     76 
     77     DcFailCause(int errorCode) {
     78         mErrorCode = errorCode;
     79     }
     80 
     81     public int getErrorCode() {
     82         return mErrorCode;
     83     }
     84 
     85     /** Radio has failed such that the radio should be restarted */
     86     public boolean isRestartRadioFail() {
     87         return (this == REGULAR_DEACTIVATION && mRestartRadioOnRegularDeactivation);
     88     }
     89 
     90     public boolean isPermanentFail() {
     91         return (this == OPERATOR_BARRED) || (this == MISSING_UNKNOWN_APN) ||
     92                 (this == UNKNOWN_PDP_ADDRESS_TYPE) || (this == USER_AUTHENTICATION) ||
     93                 (this == ACTIVATION_REJECT_GGSN) || (this == SERVICE_OPTION_NOT_SUPPORTED) ||
     94                 (this == SERVICE_OPTION_NOT_SUBSCRIBED) || (this == NSAPI_IN_USE) ||
     95                 (this == ONLY_IPV4_ALLOWED) || (this == ONLY_IPV6_ALLOWED) ||
     96                 (this == PROTOCOL_ERRORS) ||
     97                 (this == RADIO_POWER_OFF) || (this == TETHERED_CALL_ACTIVE) ||
     98                 (this == RADIO_NOT_AVAILABLE) || (this == UNACCEPTABLE_NETWORK_PARAMETER) ||
     99                 (this == SIGNAL_LOST);
    100     }
    101 
    102     public boolean isEventLoggable() {
    103         return (this == OPERATOR_BARRED) || (this == INSUFFICIENT_RESOURCES) ||
    104                 (this == UNKNOWN_PDP_ADDRESS_TYPE) || (this == USER_AUTHENTICATION) ||
    105                 (this == ACTIVATION_REJECT_GGSN) || (this == ACTIVATION_REJECT_UNSPECIFIED) ||
    106                 (this == SERVICE_OPTION_NOT_SUBSCRIBED) ||
    107                 (this == SERVICE_OPTION_NOT_SUPPORTED) ||
    108                 (this == SERVICE_OPTION_OUT_OF_ORDER) || (this == NSAPI_IN_USE) ||
    109                 (this == ONLY_IPV4_ALLOWED) || (this == ONLY_IPV6_ALLOWED) ||
    110                 (this == PROTOCOL_ERRORS) || (this == SIGNAL_LOST) ||
    111                 (this == RADIO_POWER_OFF) || (this == TETHERED_CALL_ACTIVE) ||
    112                 (this == UNACCEPTABLE_NETWORK_PARAMETER);
    113     }
    114 
    115     public static DcFailCause fromInt(int errorCode) {
    116         DcFailCause fc = sErrorCodeToFailCauseMap.get(errorCode);
    117         if (fc == null) {
    118             fc = UNKNOWN;
    119         }
    120         return fc;
    121     }
    122 }
    123