package com.android.internal.telephony;
import android.app.PendingIntent;
import android.os.AsyncResult;
import android.os.Handler;
import android.os.Message;
import android.os.RemoteException;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.text.TextUtils;
import android.util.Log;
import java.util.ArrayList;
/**
* {@hide}
*
*/
public abstract class DataConnectionTracker extends Handler {
protected static final boolean DBG = false;
protected final String LOG_TAG = "DataConnectionTracker";
/**
* IDLE: ready to start data connection setup, default state
* INITING: state of issued setupDefaultPDP() but not finish yet
* CONNECTING: state of issued startPppd() but not finish yet
* SCANNING: data connection fails with one apn but other apns are available
* ready to start data connection on other apns (before INITING)
* CONNECTED: IP connection is setup
* DISCONNECTING: Connection.disconnect() has been called, but PDP
* context is not yet deactivated
* FAILED: data connection fail for all apns settings
*
* getDataConnectionState() maps State to DataState
* FAILED or IDLE : DISCONNECTED
* INITING or CONNECTING or SCANNING: CONNECTING
* CONNECTED : CONNECTED or DISCONNECTING
*/
public enum State {
IDLE,
INITING,
CONNECTING,
SCANNING,
CONNECTED,
DISCONNECTING,
FAILED
}
public enum Activity {
NONE,
DATAIN,
DATAOUT,
DATAINANDOUT,
DORMANT
}
/***** Event Codes *****/
protected static final int EVENT_DATA_SETUP_COMPLETE = 1;
protected static final int EVENT_RADIO_AVAILABLE = 3;
protected static final int EVENT_RECORDS_LOADED = 4;
protected static final int EVENT_TRY_SETUP_DATA = 5;
protected static final int EVENT_DATA_STATE_CHANGED = 6;
protected static final int EVENT_POLL_PDP = 7;
protected static final int EVENT_GET_PDP_LIST_COMPLETE = 11;
protected static final int EVENT_RADIO_OFF_OR_NOT_AVAILABLE = 12;
protected static final int EVENT_VOICE_CALL_STARTED = 14;
protected static final int EVENT_VOICE_CALL_ENDED = 15;
protected static final int EVENT_GPRS_DETACHED = 19;
protected static final int EVENT_LINK_STATE_CHANGED = 20;
protected static final int EVENT_ROAMING_ON = 21;
protected static final int EVENT_ROAMING_OFF = 22;
protected static final int EVENT_ENABLE_NEW_APN = 23;
protected static final int EVENT_RESTORE_DEFAULT_APN = 24;
protected static final int EVENT_DISCONNECT_DONE = 25;
protected static final int EVENT_GPRS_ATTACHED = 26;
protected static final int EVENT_START_NETSTAT_POLL = 27;
protected static final int EVENT_START_RECOVERY = 28;
protected static final int EVENT_APN_CHANGED = 29;
protected static final int EVENT_CDMA_DATA_DETACHED = 30;
protected static final int EVENT_NV_READY = 31;
protected static final int EVENT_PS_RESTRICT_ENABLED = 32;
protected static final int EVENT_PS_RESTRICT_DISABLED = 33;
public static final int EVENT_CLEAN_UP_CONNECTION = 34;
protected static final int EVENT_CDMA_OTA_PROVISION = 35;
protected static final int EVENT_RESTART_RADIO = 36;
protected static final int EVENT_SET_MASTER_DATA_ENABLE = 37;
protected static final int EVENT_RESET_DONE = 38;
/***** Constants *****/
protected static final int APN_INVALID_ID = -1;
protected static final int APN_DEFAULT_ID = 0;
protected static final int APN_MMS_ID = 1;
protected static final int APN_SUPL_ID = 2;
protected static final int APN_DUN_ID = 3;
protected static final int APN_HIPRI_ID = 4;
protected static final int APN_NUM_TYPES = 5;
protected static final int DISABLED = 0;
protected static final int ENABLED = 1;
// responds to the setDataEnabled call - used independently from the APN requests
protected boolean mMasterDataEnabled = true;
protected boolean[] dataEnabled = new boolean[APN_NUM_TYPES];
protected int enabledCount = 0;
/* Currently requested APN type */
protected String mRequestedApnType = Phone.APN_TYPE_DEFAULT;
/** Retry configuration: A doubling of retry times from 5secs to 30minutes */
protected static final String DEFAULT_DATA_RETRY_CONFIG = "default_randomization=2000,"
+ "5000,10000,20000,40000,80000:5000,160000:5000,"
+ "320000:5000,640000:5000,1280000:5000,1800000:5000";
/** Retry configuration for secondary networks: 4 tries in 20 sec */
protected static final String SECONDARY_DATA_RETRY_CONFIG =
"max_retries=3, 5000, 5000, 5000";
/** Slow poll when attempting connection recovery. */
protected static final int POLL_NETSTAT_SLOW_MILLIS = 5000;
/** Default ping deadline, in seconds. */
protected static final int DEFAULT_PING_DEADLINE = 5;
/** Default max failure count before attempting to network re-registration. */
protected static final int DEFAULT_MAX_PDP_RESET_FAIL = 3;
/**
* After detecting a potential connection problem, this is the max number
* of subsequent polls before attempting a radio reset. At this point,
* poll interval is 5 seconds (POLL_NETSTAT_SLOW_MILLIS), so set this to
* poll for about 2 more minutes.
*/
protected static final int NO_RECV_POLL_LIMIT = 24;
// 1 sec. default polling interval when screen is on.
protected static final int POLL_NETSTAT_MILLIS = 1000;
// 10 min. default polling interval when screen is off.
protected static final int POLL_NETSTAT_SCREEN_OFF_MILLIS = 1000*60*10;
// 2 min for round trip time
protected static final int POLL_LONGEST_RTT = 120 * 1000;
// 10 for packets without ack
protected static final int NUMBER_SENT_PACKETS_OF_HANG = 10;
// how long to wait before switching back to default APN
protected static final int RESTORE_DEFAULT_APN_DELAY = 1 * 60 * 1000;
// system property that can override the above value
protected static final String APN_RESTORE_DELAY_PROP_NAME = "android.telephony.apn-restore";
// represents an invalid IP address
protected static final String NULL_IP = "0.0.0.0";
// member variables
protected PhoneBase phone;
protected Activity activity = Activity.NONE;
protected State state = State.IDLE;
protected Handler mDataConnectionTracker = null;
protected long txPkts, rxPkts, sentSinceLastRecv;
protected int netStatPollPeriod;
protected int mNoRecvPollCount = 0;
protected boolean netStatPollEnabled = false;
/** Manage the behavior of data retry after failure */
protected RetryManager mRetryMgr = new RetryManager();
// wifi connection status will be updated by sticky intent
protected boolean mIsWifiConnected = false;
/** Intent sent when the reconnect alarm fires. */
protected PendingIntent mReconnectIntent = null;
/** CID of active data connection */
protected int cidActive;
/**
* Default constructor
*/
protected DataConnectionTracker(PhoneBase phone) {
super();
this.phone = phone;
}
public abstract void dispose();
public Activity getActivity() {
return activity;
}
public State getState() {
return state;
}
public String getStateInString() {
switch (state) {
case IDLE: return "IDLE";
case INITING: return "INIT";
case CONNECTING: return "CING";
case SCANNING: return "SCAN";
case CONNECTED: return "CNTD";
case DISCONNECTING: return "DING";
case FAILED: return "FAIL";
default: return "ERRO";
}
}
/**
* The data connection is expected to be setup while device
* 1. has Icc card
* 2. registered for data
