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DcRetryAlarmController.javaAPI DocAndroid 5.1 API6528Thu Mar 12 22:22:54 GMT 2015com.android.internal.telephony.dataconnection

DcRetryAlarmController

public class DcRetryAlarmController extends Object
The Data Connection Retry Alarm Controller.

Fields Summary
private String
mLogTag
private static final boolean
DBG
private com.android.internal.telephony.PhoneBase
mPhone
private DataConnection
mDc
private android.app.AlarmManager
mAlarmManager
private String
mActionRetry
private static final String
INTENT_RETRY_ALARM_WHAT
private static final String
INTENT_RETRY_ALARM_TAG
private android.content.BroadcastReceiver
mIntentReceiver
Constructors Summary
DcRetryAlarmController(com.android.internal.telephony.PhoneBase phone, DataConnection dc)


        
        mLogTag = dc.getName();
        mPhone = phone;
        mDc = dc;
        mAlarmManager = (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE);
        mActionRetry = mDc.getClass().getCanonicalName() + "." + mDc.getName() + ".action_retry";

        IntentFilter filter = new IntentFilter();
        filter.addAction(mActionRetry);
        log("DcRetryAlarmController: register for intent action=" + mActionRetry);

        mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mDc.getHandler());
Methods Summary
voiddispose()
Dispose of resources when shutting down

        if (DBG) log("dispose");
        mPhone.getContext().unregisterReceiver(mIntentReceiver);
        mPhone = null;
        mDc = null;
        mAlarmManager = null;
        mActionRetry = null;
intgetSuggestedRetryTime(DataConnection dc, android.os.AsyncResult ar)
Using dc.mRetryManager and the result of the SETUP_DATA_CALL determine the retry delay.

param
dc is the DataConnection
param
ar is the result from SETUP_DATA_CALL
return
< 0 if no retry is needed otherwise the delay to the next SETUP_DATA_CALL

        int retryDelay;

        DataCallResponse response = (DataCallResponse) ar.result;
        retryDelay = response.suggestedRetryTime;
        if (retryDelay == RILConstants.MAX_INT) {
            if (DBG) log("getSuggestedRetryTime: suggestedRetryTime is MAX_INT, retry NOT needed");
            retryDelay = -1;
        } else if (retryDelay >= 0) {
            if (DBG) log("getSuggestedRetryTime: suggestedRetryTime is >= 0 use it");
        } else if (dc.mRetryManager.isRetryNeeded()) {
            retryDelay = dc.mRetryManager.getRetryTimer();
            if (retryDelay < 0) {
                retryDelay = 0;
            }
            if (DBG) log("getSuggestedRetryTime: retry is needed");
        } else {
            if (DBG) log("getSuggestedRetryTime: retry is NOT needed");
            retryDelay = -1;
        }

        if (DBG) {
            log("getSuggestedRetryTime: " + retryDelay + " response=" + response + " dc=" + dc);
        }
        return retryDelay;
private voidlog(java.lang.String s)

        Rlog.d(mLogTag, "[dcRac] " + s);
public voidstartRetryAlarm(int what, int tag, int delay)

        Intent intent = new Intent(mActionRetry);
        intent.putExtra(INTENT_RETRY_ALARM_WHAT, what);
        intent.putExtra(INTENT_RETRY_ALARM_TAG, tag);

        if (DBG) {
            log("startRetryAlarm: next attempt in " + (delay / 1000) + "s" +
                    " what=" + what + " tag=" + tag);
        }

        PendingIntent retryIntent = PendingIntent.getBroadcast (mPhone.getContext(), 0,
                                        intent, PendingIntent.FLAG_UPDATE_CURRENT);
        mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
                SystemClock.elapsedRealtime() + delay, retryIntent);
public java.lang.StringtoString()

        StringBuilder sb = new StringBuilder();
        sb.append(mLogTag).append(" [dcRac] ");
        sb.append(" mPhone=").append(mPhone);
        sb.append(" mDc=").append(mDc);
        sb.append(" mAlaramManager=").append(mAlarmManager);
        sb.append(" mActionRetry=").append(mActionRetry);
        return sb.toString();