DataConnectionTracker.rar_android_media

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