/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.internal.telephony.dataconnection; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Resources; import android.database.ContentObserver; import android.database.Cursor; import android.net.ConnectivityManager; import android.net.LinkCapabilities; import android.net.LinkProperties; import android.net.NetworkConfig; import android.net.NetworkUtils; import android.net.ProxyProperties; import android.net.Uri; import android.os.AsyncResult; import android.os.Message; import android.os.Messenger; import android.os.SystemClock; import android.os.SystemProperties; import android.provider.Settings; import android.provider.Telephony; import android.telephony.CellLocation; import android.telephony.ServiceState; import android.telephony.TelephonyManager; import android.telephony.cdma.CdmaCellLocation; import android.telephony.gsm.GsmCellLocation; import android.text.TextUtils; import android.util.EventLog; import android.telephony.Rlog; import com.android.internal.telephony.Phone; import com.android.internal.telephony.PhoneBase; import com.android.internal.telephony.DctConstants; import com.android.internal.telephony.EventLogTags; import com.android.internal.telephony.TelephonyProperties; import com.android.internal.telephony.gsm.GSMPhone; import com.android.internal.telephony.PhoneConstants; import com.android.internal.telephony.RILConstants; import com.android.internal.telephony.uicc.IccRecords; import com.android.internal.telephony.uicc.UiccController; import com.android.internal.util.AsyncChannel; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList; import java.util.concurrent.atomic.AtomicBoolean; import java.util.HashMap; /** * {@hide} */ public final class DcTracker extends DcTrackerBase { protected final String LOG_TAG = "DCT"; /** * Handles changes to the APN db. */ private class ApnChangeObserver extends ContentObserver { public ApnChangeObserver () { super(mDataConnectionTracker); } @Override public void onChange(boolean selfChange) { sendMessage(obtainMessage(DctConstants.EVENT_APN_CHANGED)); } } //***** Instance Variables private boolean mReregisterOnReconnectFailure = false; //***** Constants // Used by puppetmaster/*/radio_stress.py private static final String PUPPET_MASTER_RADIO_STRESS_TEST = "gsm.defaultpdpcontext.active"; private static final int POLL_PDP_MILLIS = 5 * 1000; static final Uri PREFERAPN_NO_UPDATE_URI = Uri.parse("content://telephony/carriers/preferapn_no_update"); static final String APN_ID = "apn_id"; private boolean mCanSetPreferApn = false; private AtomicBoolean mAttached = new AtomicBoolean(false); /** Watches for changes to the APN db. */ private ApnChangeObserver mApnObserver; //***** Constructor public DcTracker(PhoneBase p) { super(p); if (DBG) log("GsmDCT.constructor"); p.mCi.registerForAvailable (this, DctConstants.EVENT_RADIO_AVAILABLE, null); p.mCi.registerForOffOrNotAvailable(this, DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE, null); p.mCi.registerForDataNetworkStateChanged (this, DctConstants.EVENT_DATA_STATE_CHANGED, null); p.getCallTracker().registerForVoiceCallEnded (this, DctConstants.EVENT_VOICE_CALL_ENDED, null); p.getCallTracker().registerForVoiceCallStarted (this, DctConstants.EVENT_VOICE_CALL_STARTED, null); p.getServiceStateTracker().registerForDataConnectionAttached(this, DctConstants.EVENT_DATA_CONNECTION_ATTACHED, null); p.getServiceStateTracker().registerForDataConnectionDetached(this, DctConstants.EVENT_DATA_CONNECTION_DETACHED, null); p.getServiceStateTracker().registerForRoamingOn(this, DctConstants.EVENT_ROAMING_ON, null); p.getServiceStateTracker().registerForRoamingOff(this, DctConstants.EVENT_ROAMING_OFF, null); p.getServiceStateTracker().registerForPsRestrictedEnabled(this, DctConstants.EVENT_PS_RESTRICT_ENABLED, null); p.getServiceStateTracker().registerForPsRestrictedDisabled(this, DctConstants.EVENT_PS_RESTRICT_DISABLED, null); mDataConnectionTracker = this; mApnObserver = new ApnChangeObserver(); p.getContext().getContentResolver().registerContentObserver( Telephony.Carriers.CONTENT_URI, true, mApnObserver); initApnContexts(); for (ApnContext apnContext : mApnContexts.values()) { // Register the reconnect and restart actions. IntentFilter filter = new IntentFilter(); filter.addAction(INTENT_RECONNECT_ALARM + '.' + apnContext.getApnType()); filter.addAction(INTENT_RESTART_TRYSETUP_ALARM + '.' + apnContext.getApnType()); mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mPhone); } ConnectivityManager cm = (ConnectivityManager)p.getContext().getSystemService( Context.CONNECTIVITY_SERVICE); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_MMS, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_SUPL, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_DUN, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_HIPRI, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_FOTA, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_IMS, new Messenger(this)); cm.supplyMessenger(ConnectivityManager.TYPE_MOBILE_CBS, new Messenger(this)); } @Override public void dispose() { if (DBG) log("GsmDCT.dispose"); cleanUpAllConnections(true, null); super.dispose(); //Unregister for all events mPhone.mCi.unregisterForAvailable(this); mPhone.mCi.unregisterForOffOrNotAvailable(this); IccRecords r = mIccRecords.get(); if (r != null) { r.unregisterForRecordsLoaded(this);} mPhone.mCi.unregisterForDataNetworkStateChanged(this); mPhone.getCallTracker().unregisterForVoiceCallEnded(this); mPhone.getCallTracker().unregisterForVoiceCallStarted(this); mPhone.getServiceStateTracker().unregisterForDataConnectionAttached(this); mPhone.getServiceStateTracker().unregisterForDataConnectionDetached(this); mPhone.getServiceStateTracker().unregisterForRoamingOn(this); mPhone.getServiceStateTracker().unregisterForRoamingOff(this); mPhone.getServiceStateTracker().unregisterForPsRestrictedEnabled(this); mPhone.getServiceStateTracker().unregisterForPsRestrictedDisabled(this); mPhone.getContext().getContentResolver().unregisterContentObserver(mApnObserver); mApnContexts.clear(); destroyDataConnections(); } @Override public boolean isApnTypeActive(String type) { ApnContext apnContext = mApnContexts.get(type); if (apnContext == null) return false; return (apnContext.getDcAc() != null); } @Override public boolean isDataPossible(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext == null) { return false; } boolean apnContextIsEnabled = apnContext.isEnabled(); DctConstants.State apnContextState = apnContext.getState(); boolean apnTypePossible = !(apnContextIsEnabled && (apnContextState == DctConstants.State.FAILED)); boolean dataAllowed = isDataAllowed(); boolean possible = dataAllowed && apnTypePossible; if (VDBG) { log(String.format("isDataPossible(%s): possible=%b isDataAllowed=%b " + "apnTypePossible=%b apnContextisEnabled=%b apnContextState()=%s", apnType, possible, dataAllowed, apnTypePossible, apnContextIsEnabled, apnContextState)); } return possible; } @Override protected void finalize() { if(DBG) log("finalize"); } private ApnContext addApnContext(String type, NetworkConfig networkConfig) { ApnContext apnContext = new ApnContext(type, LOG_TAG); apnContext.setDependencyMet(networkConfig.dependencyMet); mApnContexts.put(type, apnContext); return apnContext; } protected void initApnContexts() { log("initApnContexts: E"); boolean defaultEnabled = SystemProperties.getBoolean(DEFALUT_DATA_ON_BOOT_PROP, true); // Load device network attributes from resources String[] networkConfigStrings = mPhone.getContext().getResources().getStringArray( com.android.internal.R.array.networkAttributes); for (String networkConfigString : networkConfigStrings) { NetworkConfig networkConfig = new NetworkConfig(networkConfigString); ApnContext apnContext = null; switch (networkConfig.type) { case ConnectivityManager.TYPE_MOBILE: apnContext = addApnContext(PhoneConstants.APN_TYPE_DEFAULT, networkConfig); apnContext.setEnabled(defaultEnabled); break; case ConnectivityManager.TYPE_MOBILE_MMS: apnContext = addApnContext(PhoneConstants.APN_TYPE_MMS, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_SUPL: apnContext = addApnContext(PhoneConstants.APN_TYPE_SUPL, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_DUN: apnContext = addApnContext(PhoneConstants.APN_TYPE_DUN, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_HIPRI: apnContext = addApnContext(PhoneConstants.APN_TYPE_HIPRI, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_FOTA: apnContext = addApnContext(PhoneConstants.APN_TYPE_FOTA, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_IMS: apnContext = addApnContext(PhoneConstants.APN_TYPE_IMS, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_CBS: apnContext = addApnContext(PhoneConstants.APN_TYPE_CBS, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_IA: apnContext = addApnContext(PhoneConstants.APN_TYPE_IA, networkConfig); break; default: log("initApnContexts: skipping unknown type=" + networkConfig.type); continue; } log("initApnContexts: apnContext=" + apnContext); } log("initApnContexts: X mApnContexts=" + mApnContexts); } @Override public LinkProperties getLinkProperties(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { DcAsyncChannel dcac = apnContext.getDcAc(); if (dcac != null) { if (DBG) log("return link properites for " + apnType); return dcac.getLinkPropertiesSync(); } } if (DBG) log("return new LinkProperties"); return new LinkProperties(); } @Override public LinkCapabilities getLinkCapabilities(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext!=null) { DcAsyncChannel dataConnectionAc = apnContext.getDcAc(); if (dataConnectionAc != null) { if (DBG) log("get active pdp is not null, return link Capabilities for " + apnType); return dataConnectionAc.getLinkCapabilitiesSync(); } } if (DBG) log("return new LinkCapabilities"); return new LinkCapabilities(); } @Override // Return all active apn types public String[] getActiveApnTypes() { if (DBG) log("get all active apn types"); ArrayList result = new ArrayList(); for (ApnContext apnContext : mApnContexts.values()) { if (mAttached.get() && apnContext.isReady()) { result.add(apnContext.getApnType()); } } return result.toArray(new String[0]); } @Override // Return active apn of specific apn type public String getActiveApnString(String apnType) { if (VDBG) log( "get active apn string for type:" + apnType); ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { ApnSetting apnSetting = apnContext.getApnSetting(); if (apnSetting != null) { return apnSetting.apn; } } return null; } @Override public boolean isApnTypeEnabled(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext == null) { return false; } return apnContext.isEnabled(); } @Override protected void setState(DctConstants.State s) { if (DBG) log("setState should not be used in GSM" + s); } // Return state of specific apn type @Override public DctConstants.State getState(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { return apnContext.getState(); } return DctConstants.State.FAILED; } // Return state of overall @Override public DctConstants.State getOverallState() { boolean isConnecting = false; boolean isFailed = true; // All enabled Apns should be FAILED. boolean isAnyEnabled = false; for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.isEnabled()) { isAnyEnabled = true; switch (apnContext.getState()) { case CONNECTED: case DISCONNECTING: if (DBG) log("overall state is CONNECTED"); return DctConstants.State.CONNECTED; case RETRYING: case CONNECTING: isConnecting = true; isFailed = false; break; case IDLE: case SCANNING: isFailed = false; break; default: isAnyEnabled = true; break; } } } if (!isAnyEnabled) { // Nothing enabled. return IDLE. if (DBG) log( "overall state is IDLE"); return DctConstants.State.IDLE; } if (isConnecting) { if (DBG) log( "overall state is CONNECTING"); return DctConstants.State.CONNECTING; } else if (!isFailed) { if (DBG) log( "overall state is IDLE"); return DctConstants.State.IDLE; } else { if (DBG) log( "overall state is FAILED"); return DctConstants.State.FAILED; } } /** * Ensure that we are connected to an APN of the specified type. * * @param apnType the APN type * @return Success is indicated by {@code PhoneConstants.APN_ALREADY_ACTIVE} or * {@code PhoneConstants.APN_REQUEST_STARTED}. In the latter case, a * broadcast will be sent by the ConnectivityManager when a * connection to the APN has been established. */ @Override public synchronized int enableApnType(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext == null || !isApnTypeAvailable(apnType)) { if (DBG) log("enableApnType: " + apnType + " is type not available"); return PhoneConstants.APN_TYPE_NOT_AVAILABLE; } // If already active, return if (DBG) log("enableApnType: " + apnType + " mState(" + apnContext.getState() + ")"); if (apnContext.getState() == DctConstants.State.CONNECTED) { if (DBG) log("enableApnType: return APN_ALREADY_ACTIVE"); return PhoneConstants.APN_ALREADY_ACTIVE; } setEnabled(apnTypeToId(apnType), true); if (DBG) { log("enableApnType: new apn request for type " + apnType + " return APN_REQUEST_STARTED"); } return PhoneConstants.APN_REQUEST_STARTED; } @Override public synchronized int disableApnType(String type) { if (DBG) log("disableApnType:" + type); ApnContext apnContext = mApnContexts.get(type); if (apnContext != null) { setEnabled(apnTypeToId(type), false); if (apnContext.getState() != DctConstants.State.IDLE && apnContext.getState() != DctConstants.State.FAILED) { if (DBG) log("diableApnType: return APN_REQUEST_STARTED"); return PhoneConstants.APN_REQUEST_STARTED; } else { if (DBG) log("disableApnType: return APN_ALREADY_INACTIVE"); return PhoneConstants.APN_ALREADY_INACTIVE; } } else { if (DBG) { log("disableApnType: no apn context was found, return APN_REQUEST_FAILED"); } return PhoneConstants.APN_REQUEST_FAILED; } } @Override protected boolean isApnTypeAvailable(String type) { if (type.equals(PhoneConstants.APN_TYPE_DUN) && fetchDunApn() != null) { return true; } if (mAllApnSettings != null) { for (ApnSetting apn : mAllApnSettings) { if (apn.canHandleType(type)) { return true; } } } return false; } /** * Report on whether data connectivity is enabled for any APN. * @return {@code false} if data connectivity has been explicitly disabled, * {@code true} otherwise. */ @Override public boolean getAnyDataEnabled() { synchronized (mDataEnabledLock) { if (!(mInternalDataEnabled && mUserDataEnabled && sPolicyDataEnabled)) return false; for (ApnContext apnContext : mApnContexts.values()) { // Make sure we don't have a context that is going down // and is explicitly disabled. if (isDataAllowed(apnContext)) { return true; } } return false; } } private boolean isDataAllowed(ApnContext apnContext) { return apnContext.isReady() && isDataAllowed(); } //****** Called from ServiceStateTracker /** * Invoked when ServiceStateTracker observes a transition from GPRS * attach to detach. */ protected void onDataConnectionDetached() { /* * We presently believe it is unnecessary to tear down the PDP context * when GPRS detaches, but we should stop the network polling. */ if (DBG) log ("onDataConnectionDetached: stop polling and notify detached"); stopNetStatPoll(); stopDataStallAlarm(); notifyDataConnection(Phone.REASON_DATA_DETACHED); mAttached.set(false); } private void onDataConnectionAttached() { if (DBG) log("onDataConnectionAttached"); mAttached.set(true); if (getOverallState() == DctConstants.State.CONNECTED) { if (DBG) log("onDataConnectionAttached: start polling notify attached"); startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); notifyDataConnection(Phone.REASON_DATA_ATTACHED); } else { // update APN availability so that APN can be enabled. notifyOffApnsOfAvailability(Phone.REASON_DATA_ATTACHED); } mAutoAttachOnCreation = true; setupDataOnConnectableApns(Phone.REASON_DATA_ATTACHED); } @Override protected boolean isDataAllowed() { final boolean internalDataEnabled; synchronized (mDataEnabledLock) { internalDataEnabled = mInternalDataEnabled; } boolean attachedState = mAttached.get(); boolean desiredPowerState = mPhone.getServiceStateTracker().getDesiredPowerState(); IccRecords r = mIccRecords.get(); boolean recordsLoaded = (r != null) ? r.getRecordsLoaded() : false; boolean allowed = (attachedState || mAutoAttachOnCreation) && recordsLoaded && (mPhone.getState() == PhoneConstants.State.IDLE || mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) && internalDataEnabled && (!mPhone.getServiceState().getRoaming() || getDataOnRoamingEnabled()) && !mIsPsRestricted && desiredPowerState; if (!allowed && DBG) { String reason = ""; if (!(attachedState || mAutoAttachOnCreation)) { reason += " - Attached= " + attachedState; } if (!recordsLoaded) reason += " - SIM not loaded"; if (mPhone.getState() != PhoneConstants.State.IDLE && !mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { reason += " - PhoneState= " + mPhone.getState(); reason += " - Concurrent voice and data not allowed"; } if (!internalDataEnabled) reason += " - mInternalDataEnabled= false"; if (mPhone.getServiceState().getRoaming() && !getDataOnRoamingEnabled()) { reason += " - Roaming and data roaming not enabled"; } if (mIsPsRestricted) reason += " - mIsPsRestricted= true"; if (!desiredPowerState) reason += " - desiredPowerState= false"; if (DBG) log("isDataAllowed: not allowed due to" + reason); } return allowed; } private void setupDataOnConnectableApns(String reason) { for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.getState() == DctConstants.State.FAILED) { apnContext.setState(DctConstants.State.IDLE); } if (apnContext.isConnectable()) { log("setupDataOnConnectableApns: isConnectable() call trySetupData"); apnContext.setReason(reason); trySetupData(apnContext); } } } private boolean trySetupData(String reason, String type) { if (DBG) { log("trySetupData: " + type + " due to " + (reason == null ? "(unspecified)" : reason) + " isPsRestricted=" + mIsPsRestricted); } if (type == null) { type = PhoneConstants.APN_TYPE_DEFAULT; } ApnContext apnContext = mApnContexts.get(type); if (apnContext == null ){ if (DBG) log("trySetupData new apn context for type:" + type); apnContext = new ApnContext(type, LOG_TAG); mApnContexts.put(type, apnContext); } apnContext.setReason(reason); return trySetupData(apnContext); } private boolean trySetupData(ApnContext apnContext) { if (DBG) { log("trySetupData for type:" + apnContext.getApnType() + " due to " + apnContext.getReason() + " apnContext=" + apnContext); log("trySetupData with mIsPsRestricted=" + mIsPsRestricted); } if (mPhone.getSimulatedRadioControl() != null) { // Assume data is connected on the simulator // FIXME this can be improved apnContext.setState(DctConstants.State.CONNECTED); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); log("trySetupData: X We're on the simulator; assuming connected retValue=true"); return true; } boolean desiredPowerState = mPhone.getServiceStateTracker().getDesiredPowerState(); if (apnContext.isConnectable() && isDataAllowed(apnContext) && getAnyDataEnabled() && !isEmergency()) { if (apnContext.getState() == DctConstants.State.FAILED) { if (DBG) log("trySetupData: make a FAILED ApnContext IDLE so its reusable"); apnContext.setState(DctConstants.State.IDLE); } int radioTech = mPhone.getServiceState().getRilDataRadioTechnology(); if (apnContext.getState() == DctConstants.State.IDLE) { ArrayList waitingApns = buildWaitingApns(apnContext.getApnType(), radioTech); if (waitingApns.isEmpty()) { notifyNoData(DcFailCause.MISSING_UNKNOWN_APN, apnContext); notifyOffApnsOfAvailability(apnContext.getReason()); if (DBG) log("trySetupData: X No APN found retValue=false"); return false; } else { apnContext.setWaitingApns(waitingApns); if (DBG) { log ("trySetupData: Create from mAllApnSettings : " + apnListToString(mAllApnSettings)); } } } if (DBG) { log("trySetupData: call setupData, waitingApns : " + apnListToString(apnContext.getWaitingApns())); } boolean retValue = setupData(apnContext, radioTech); notifyOffApnsOfAvailability(apnContext.getReason()); if (DBG) log("trySetupData: X retValue=" + retValue); return retValue; } else { if (!apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT) && apnContext.isConnectable()) { mPhone.notifyDataConnectionFailed(apnContext.getReason(), apnContext.getApnType()); } notifyOffApnsOfAvailability(apnContext.getReason()); if (DBG) log ("trySetupData: X apnContext not 'ready' retValue=false"); return false; } } @Override // Disabled apn's still need avail/unavail notificiations - send them out protected void notifyOffApnsOfAvailability(String reason) { for (ApnContext apnContext : mApnContexts.values()) { if (!mAttached.get() || !apnContext.isReady()) { if (VDBG) log("notifyOffApnOfAvailability type:" + apnContext.getApnType()); mPhone.notifyDataConnection(reason != null ? reason : apnContext.getReason(), apnContext.getApnType(), PhoneConstants.DataState.DISCONNECTED); } else { if (VDBG) { log("notifyOffApnsOfAvailability skipped apn due to attached && isReady " + apnContext.toString()); } } } } /** * If tearDown is true, this only tears down a CONNECTED session. Presently, * there is no mechanism for abandoning an CONNECTING session, * but would likely involve cancelling pending async requests or * setting a flag or new state to ignore them when they came in * @param tearDown true if the underlying DataConnection should be * disconnected. * @param reason reason for the clean up. */ protected void cleanUpAllConnections(boolean tearDown, String reason) { if (DBG) log("cleanUpAllConnections: tearDown=" + tearDown + " reason=" + reason); for (ApnContext apnContext : mApnContexts.values()) { apnContext.setReason(reason); cleanUpConnection(tearDown, apnContext); } stopNetStatPoll(); stopDataStallAlarm(); // TODO: Do we need mRequestedApnType? mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; } /** * Cleanup all connections. * * TODO: Cleanup only a specified connection passed as a parameter. * Also, make sure when you clean up a conn, if it is last apply * logic as though it is cleanupAllConnections * * @param cause for the clean up. */ @Override protected void onCleanUpAllConnections(String cause) { cleanUpAllConnections(true, cause); } private void cleanUpConnection(boolean tearDown, ApnContext apnContext) { if (apnContext == null) { if (DBG) log("cleanUpConnection: apn context is null"); return; } DcAsyncChannel dcac = apnContext.getDcAc(); if (DBG) { log("cleanUpConnection: E tearDown=" + tearDown + " reason=" + apnContext.getReason() + " apnContext=" + apnContext); } if (tearDown) { if (apnContext.isDisconnected()) { // The request is tearDown and but ApnContext is not connected. // If apnContext is not enabled anymore, break the linkage to the DCAC/DC. apnContext.setState(DctConstants.State.IDLE); if (!apnContext.isReady()) { if (dcac != null) { dcac.tearDown(apnContext, "", null); } apnContext.setDataConnectionAc(null); } } else { // Connection is still there. Try to clean up. if (dcac != null) { if (apnContext.getState() != DctConstants.State.DISCONNECTING) { boolean disconnectAll = false; if (PhoneConstants.APN_TYPE_DUN.equals(apnContext.getApnType())) { ApnSetting dunSetting = fetchDunApn(); if (dunSetting != null && dunSetting.equals(apnContext.getApnSetting())) { if (DBG) log("tearing down dedicated DUN connection"); // we need to tear it down - we brought it up just for dun and // other people are camped on it and now dun is done. We need // to stop using it and let the normal apn list get used to find // connections for the remaining desired connections disconnectAll = true; } } if (DBG) { log("cleanUpConnection: tearing down" + (disconnectAll ? " all" :"")); } Message msg = obtainMessage(DctConstants.EVENT_DISCONNECT_DONE, apnContext); if (disconnectAll) { apnContext.getDcAc().tearDownAll(apnContext.getReason(), msg); } else { apnContext.getDcAc() .tearDown(apnContext, apnContext.getReason(), msg); } apnContext.setState(DctConstants.State.DISCONNECTING); } } else { // apn is connected but no reference to dcac. // Should not be happen, but reset the state in case. apnContext.setState(DctConstants.State.IDLE); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); } } } else { // force clean up the data connection. if (dcac != null) dcac.reqReset(); apnContext.setState(DctConstants.State.IDLE); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); apnContext.setDataConnectionAc(null); } // Make sure reconnection alarm is cleaned up if there is no ApnContext // associated to the connection. if (dcac != null) { cancelReconnectAlarm(apnContext); } if (DBG) { log("cleanUpConnection: X tearDown=" + tearDown + " reason=" + apnContext.getReason() + " apnContext=" + apnContext + " dcac=" + apnContext.getDcAc()); } } /** * Cancels the alarm associated with apnContext. * * @param apnContext on which the alarm should be stopped. */ private void cancelReconnectAlarm(ApnContext apnContext) { if (apnContext == null) return; PendingIntent intent = apnContext.getReconnectIntent(); if (intent != null) { AlarmManager am = (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE); am.cancel(intent); apnContext.setReconnectIntent(null); } } /** * @param types comma delimited list of APN types * @return array of APN types */ private String[] parseTypes(String types) { String[] result; // If unset, set to DEFAULT. if (types == null || types.equals("")) { result = new String[1]; result[0] = PhoneConstants.APN_TYPE_ALL; } else { result = types.split(","); } return result; } private boolean imsiMatches(String imsiDB, String imsiSIM) { // Note: imsiDB value has digit number or 'x' character for seperating USIM information // for MVNO operator. And then digit number is matched at same order and 'x' character // could replace by any digit number. // ex) if imsiDB inserted '310260x10xxxxxx' for GG Operator, // that means first 6 digits, 8th and 9th digit // should be set in USIM for GG Operator. int len = imsiDB.length(); int idxCompare = 0; if (len <= 0) return false; if (len > imsiSIM.length()) return false; for (int idx=0; idx= mvno_match_data_length) && gid1.substring(0, mvno_match_data_length).equalsIgnoreCase(mvno_match_data)) { return true; } } return false; } private ApnSetting makeApnSetting(Cursor cursor) { String[] types = parseTypes( cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.TYPE))); ApnSetting apn = new ApnSetting( cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers._ID)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.NUMERIC)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.NAME)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.APN)), NetworkUtils.trimV4AddrZeros( cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.PROXY))), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.PORT)), NetworkUtils.trimV4AddrZeros( cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.MMSC))), NetworkUtils.trimV4AddrZeros( cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.MMSPROXY))), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.MMSPORT)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.USER)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.PASSWORD)), cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.AUTH_TYPE)), types, cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.PROTOCOL)), cursor.getString(cursor.getColumnIndexOrThrow( Telephony.Carriers.ROAMING_PROTOCOL)), cursor.getInt(cursor.getColumnIndexOrThrow( Telephony.Carriers.CARRIER_ENABLED)) == 1, cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.BEARER))); return apn; } private ArrayList createApnList(Cursor cursor) { ArrayList result = new ArrayList(); IccRecords r = mIccRecords.get(); if (cursor.moveToFirst()) { String mvnoType = null; String mvnoMatchData = null; do { String cursorMvnoType = cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.MVNO_TYPE)); String cursorMvnoMatchData = cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.MVNO_MATCH_DATA)); if (mvnoType != null) { if (mvnoType.equals(cursorMvnoType) && mvnoMatchData.equals(cursorMvnoMatchData)) { result.add(makeApnSetting(cursor)); } } else { // no mvno match yet if (mvnoMatches(r, cursorMvnoType, cursorMvnoMatchData)) { // first match - toss out non-mvno data result.clear(); mvnoType = cursorMvnoType; mvnoMatchData = cursorMvnoMatchData; result.add(makeApnSetting(cursor)); } else { // add only non-mvno data if (cursorMvnoType.equals("")) { result.add(makeApnSetting(cursor)); } } } } while (cursor.moveToNext()); } if (DBG) log("createApnList: X result=" + result); return result; } private boolean dataConnectionNotInUse(DcAsyncChannel dcac) { if (DBG) log("dataConnectionNotInUse: check if dcac is inuse dcac=" + dcac); for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.getDcAc() == dcac) { if (DBG) log("dataConnectionNotInUse: in use by apnContext=" + apnContext); return false; } } // TODO: Fix retry handling so free DataConnections have empty apnlists. // Probably move retry handling into DataConnections and reduce complexity // of DCT. if (DBG) log("dataConnectionNotInUse: tearDownAll"); dcac.tearDownAll("No connection", null); if (DBG) log("dataConnectionNotInUse: not in use return true"); return true; } private DcAsyncChannel findFreeDataConnection() { for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { if (dcac.isInactiveSync() && dataConnectionNotInUse(dcac)) { if (DBG) { log("findFreeDataConnection: found free DataConnection=" + " dcac=" + dcac); } return dcac; } } log("findFreeDataConnection: NO free DataConnection"); return null; } private boolean setupData(ApnContext apnContext, int radioTech) { if (DBG) log("setupData: apnContext=" + apnContext); ApnSetting apnSetting; DcAsyncChannel dcac; int profileId = getApnProfileID(apnContext.getApnType()); apnSetting = apnContext.getNextWaitingApn(); if (apnSetting == null) { if (DBG) log("setupData: return for no apn found!"); return false; } dcac = checkForCompatibleConnectedApnContext(apnContext); if (dcac != null) { // Get the dcacApnSetting for the connection we want to share. ApnSetting dcacApnSetting = dcac.getApnSettingSync(); if (dcacApnSetting != null) { // Setting is good, so use it. apnSetting = dcacApnSetting; } } if (dcac == null) { dcac = findFreeDataConnection(); if (dcac == null) { dcac = createDataConnection(); } if (dcac == null) { if (DBG) log("setupData: No free DataConnection and couldn't create one, WEIRD"); return false; } } if (DBG) log("setupData: dcac=" + dcac + " apnSetting=" + apnSetting); apnContext.setDataConnectionAc(dcac); apnContext.setApnSetting(apnSetting); apnContext.setState(DctConstants.State.CONNECTING); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); Message msg = obtainMessage(); msg.what = DctConstants.EVENT_DATA_SETUP_COMPLETE; msg.obj = apnContext; dcac.bringUp(apnContext, getInitialMaxRetry(), profileId, radioTech, msg); if (DBG) log("setupData: initing!"); return true; } /** * Handles changes to the APN database. */ private void onApnChanged() { DctConstants.State overallState = getOverallState(); boolean isDisconnected = (overallState == DctConstants.State.IDLE || overallState == DctConstants.State.FAILED); if (mPhone instanceof GSMPhone) { // The "current" may no longer be valid. MMS depends on this to send properly. TBD ((GSMPhone)mPhone).updateCurrentCarrierInProvider(); } // TODO: It'd be nice to only do this if the changed entrie(s) // match the current operator. if (DBG) log("onApnChanged: createAllApnList and cleanUpAllConnections"); createAllApnList(); setInitialAttachApn(); cleanUpAllConnections(!isDisconnected, Phone.REASON_APN_CHANGED); if (isDisconnected) { setupDataOnConnectableApns(Phone.REASON_APN_CHANGED); } } /** * @param cid Connection id provided from RIL. * @return DataConnectionAc associated with specified cid. */ private DcAsyncChannel findDataConnectionAcByCid(int cid) { for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { if (dcac.getCidSync() == cid) { return dcac; } } return null; } /** * @param ar is the result of RIL_REQUEST_DATA_CALL_LIST * or RIL_UNSOL_DATA_CALL_LIST_CHANGED */ private void onDataStateChanged (AsyncResult ar) { ArrayList dataCallStates; if (DBG) log("onDataStateChanged(ar): E"); dataCallStates = (ArrayList)(ar.result); if (ar.exception != null) { // This is probably "radio not available" or something // of that sort. If so, the whole connection is going // to come down soon anyway if (DBG) log("onDataStateChanged(ar): exception; likely radio not available, ignore"); return; } if (DBG) log("onDataStateChanged(ar): DataCallResponse size=" + dataCallStates.size()); // Create a hash map to store the dataCallState of each DataConnectionAc HashMap dataCallStateToDcac; dataCallStateToDcac = new HashMap(); for (DataCallResponse dataCallState : dataCallStates) { DcAsyncChannel dcac = findDataConnectionAcByCid(dataCallState.cid); if (dcac != null) dataCallStateToDcac.put(dataCallState, dcac); } // Check if we should start or stop polling, by looking // for dormant and active connections. boolean isAnyDataCallDormant = false; boolean isAnyDataCallActive = false; for (DataCallResponse newState : dataCallStates) { if (newState.active == DATA_CONNECTION_ACTIVE_PH_LINK_UP) isAnyDataCallActive = true; if (newState.active == DATA_CONNECTION_ACTIVE_PH_LINK_DOWN) isAnyDataCallDormant = true; } if (isAnyDataCallDormant && !isAnyDataCallActive) { // There is no way to indicate link activity per APN right now. So // Link Activity will be considered dormant only when all data calls // are dormant. // If a single data call is in dormant state and none of the data // calls are active broadcast overall link state as dormant. mActivity = DctConstants.Activity.DORMANT; if (DBG) { log("onDataStateChanged: Data Activity updated to DORMANT. stopNetStatePoll"); } stopNetStatPoll(); } else { mActivity = DctConstants.Activity.NONE; if (DBG) { log("onDataStateChanged: Data Activity updated to NONE. " + "isAnyDataCallActive = " + isAnyDataCallActive + " isAnyDataCallDormant = " + isAnyDataCallDormant); } if (isAnyDataCallActive) startNetStatPoll(); } if (DBG) log("onDataStateChanged(ar): X"); } private void notifyDefaultData(ApnContext apnContext) { if (DBG) { log("notifyDefaultData: type=" + apnContext.getApnType() + ", reason:" + apnContext.getReason()); } apnContext.setState(DctConstants.State.CONNECTED); // setState(DctConstants.State.CONNECTED); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); } // TODO: For multiple Active APNs not exactly sure how to do this. @Override protected void gotoIdleAndNotifyDataConnection(String reason) { if (DBG) log("gotoIdleAndNotifyDataConnection: reason=" + reason); notifyDataConnection(reason); mActiveApn = null; } @Override protected void restartRadio() { if (DBG) log("restartRadio: ************TURN OFF RADIO**************"); cleanUpAllConnections(true, Phone.REASON_RADIO_TURNED_OFF); mPhone.getServiceStateTracker().powerOffRadioSafely(this); /* Note: no need to call setRadioPower(true). Assuming the desired * radio power state is still ON (as tracked by ServiceStateTracker), * ServiceStateTracker will call setRadioPower when it receives the * RADIO_STATE_CHANGED notification for the power off. And if the * desired power state has changed in the interim, we don't want to * override it with an unconditional power on. */ int reset = Integer.parseInt(SystemProperties.get("net.ppp.reset-by-timeout", "0")); SystemProperties.set("net.ppp.reset-by-timeout", String.valueOf(reset+1)); } /** * Return true if data connection need to be setup after disconnected due to * reason. * * @param reason the reason why data is disconnected * @return true if try setup data connection is need for this reason */ private boolean retryAfterDisconnected(String reason) { boolean retry = true; if ( Phone.REASON_RADIO_TURNED_OFF.equals(reason) ) { retry = false; } return retry; } private void startAlarmForReconnect(int delay, ApnContext apnContext) { String apnType = apnContext.getApnType(); Intent intent = new Intent(INTENT_RECONNECT_ALARM + "." + apnType); intent.putExtra(INTENT_RECONNECT_ALARM_EXTRA_REASON, apnContext.getReason()); intent.putExtra(INTENT_RECONNECT_ALARM_EXTRA_TYPE, apnType); if (DBG) { log("startAlarmForReconnect: delay=" + delay + " action=" + intent.getAction() + " apn=" + apnContext); } PendingIntent alarmIntent = PendingIntent.getBroadcast (mPhone.getContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); apnContext.setReconnectIntent(alarmIntent); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delay, alarmIntent); } private void startAlarmForRestartTrySetup(int delay, ApnContext apnContext) { String apnType = apnContext.getApnType(); Intent intent = new Intent(INTENT_RESTART_TRYSETUP_ALARM + "." + apnType); intent.putExtra(INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE, apnType); if (DBG) { log("startAlarmForRestartTrySetup: delay=" + delay + " action=" + intent.getAction() + " apn=" + apnContext); } PendingIntent alarmIntent = PendingIntent.getBroadcast (mPhone.getContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); apnContext.setReconnectIntent(alarmIntent); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delay, alarmIntent); } private void notifyNoData(DcFailCause lastFailCauseCode, ApnContext apnContext) { if (DBG) log( "notifyNoData: type=" + apnContext.getApnType()); if (lastFailCauseCode.isPermanentFail() && (!apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT))) { mPhone.notifyDataConnectionFailed(apnContext.getReason(), apnContext.getApnType()); } } private void onRecordsLoaded() { if (DBG) log("onRecordsLoaded: createAllApnList"); createAllApnList(); setInitialAttachApn(); if (mPhone.mCi.getRadioState().isOn()) { if (DBG) log("onRecordsLoaded: notifying data availability"); notifyOffApnsOfAvailability(Phone.REASON_SIM_LOADED); } setupDataOnConnectableApns(Phone.REASON_SIM_LOADED); } @Override protected void onSetDependencyMet(String apnType, boolean met) { // don't allow users to tweak hipri to work around default dependency not met if (PhoneConstants.APN_TYPE_HIPRI.equals(apnType)) return; ApnContext apnContext = mApnContexts.get(apnType); if (apnContext == null) { loge("onSetDependencyMet: ApnContext not found in onSetDependencyMet(" + apnType + ", " + met + ")"); return; } applyNewState(apnContext, apnContext.isEnabled(), met); if (PhoneConstants.APN_TYPE_DEFAULT.equals(apnType)) { // tie actions on default to similar actions on HIPRI regarding dependencyMet apnContext = mApnContexts.get(PhoneConstants.APN_TYPE_HIPRI); if (apnContext != null) applyNewState(apnContext, apnContext.isEnabled(), met); } } private void applyNewState(ApnContext apnContext, boolean enabled, boolean met) { boolean cleanup = false; boolean trySetup = false; if (DBG) { log("applyNewState(" + apnContext.getApnType() + ", " + enabled + "(" + apnContext.isEnabled() + "), " + met + "(" + apnContext.getDependencyMet() +"))"); } if (apnContext.isReady()) { if (enabled && met) { DctConstants.State state = apnContext.getState(); switch(state) { case CONNECTING: case SCANNING: case CONNECTED: case DISCONNECTING: // We're "READY" and active so just return if (DBG) log("applyNewState: 'ready' so return"); return; case IDLE: // fall through: this is unexpected but if it happens cleanup and try setup case FAILED: case RETRYING: { // We're "READY" but not active so disconnect (cleanup = true) and // connect (trySetup = true) to be sure we retry the connection. trySetup = true; apnContext.setReason(Phone.REASON_DATA_ENABLED); break; } } } else if (!enabled) { apnContext.setReason(Phone.REASON_DATA_DISABLED); } else { apnContext.setReason(Phone.REASON_DATA_DEPENDENCY_UNMET); } cleanup = true; } else { if (enabled && met) { if (apnContext.isEnabled()) { apnContext.setReason(Phone.REASON_DATA_DEPENDENCY_MET); } else { apnContext.setReason(Phone.REASON_DATA_ENABLED); } if (apnContext.getState() == DctConstants.State.FAILED) { apnContext.setState(DctConstants.State.IDLE); } trySetup = true; } } apnContext.setEnabled(enabled); apnContext.setDependencyMet(met); if (cleanup) cleanUpConnection(true, apnContext); if (trySetup) trySetupData(apnContext); } private DcAsyncChannel checkForCompatibleConnectedApnContext(ApnContext apnContext) { String apnType = apnContext.getApnType(); ApnSetting dunSetting = null; if (PhoneConstants.APN_TYPE_DUN.equals(apnType)) { dunSetting = fetchDunApn(); } if (DBG) { log("checkForCompatibleConnectedApnContext: apnContext=" + apnContext ); } DcAsyncChannel potentialDcac = null; ApnContext potentialApnCtx = null; for (ApnContext curApnCtx : mApnContexts.values()) { DcAsyncChannel curDcac = curApnCtx.getDcAc(); if (curDcac != null) { ApnSetting apnSetting = curApnCtx.getApnSetting(); if (dunSetting != null) { if (dunSetting.equals(apnSetting)) { switch (curApnCtx.getState()) { case CONNECTED: if (DBG) { log("checkForCompatibleConnectedApnContext:" + " found dun conn=" + curDcac + " curApnCtx=" + curApnCtx); } return curDcac; case RETRYING: case CONNECTING: potentialDcac = curDcac; potentialApnCtx = curApnCtx; default: // Not connected, potential unchanged break; } } } else if (apnSetting != null && apnSetting.canHandleType(apnType)) { switch (curApnCtx.getState()) { case CONNECTED: if (DBG) { log("checkForCompatibleConnectedApnContext:" + " found canHandle conn=" + curDcac + " curApnCtx=" + curApnCtx); } return curDcac; case RETRYING: case CONNECTING: potentialDcac = curDcac; potentialApnCtx = curApnCtx; default: // Not connected, potential unchanged break; } } } else { if (VDBG) { log("checkForCompatibleConnectedApnContext: not conn curApnCtx=" + curApnCtx); } } } if (potentialDcac != null) { if (DBG) { log("checkForCompatibleConnectedApnContext: found potential conn=" + potentialDcac + " curApnCtx=" + potentialApnCtx); } return potentialDcac; } if (DBG) log("checkForCompatibleConnectedApnContext: NO conn apnContext=" + apnContext); return null; } @Override protected void onEnableApn(int apnId, int enabled) { ApnContext apnContext = mApnContexts.get(apnIdToType(apnId)); if (apnContext == null) { loge("onEnableApn(" + apnId + ", " + enabled + "): NO ApnContext"); return; } // TODO change our retry manager to use the appropriate numbers for the new APN if (DBG) log("onEnableApn: apnContext=" + apnContext + " call applyNewState"); applyNewState(apnContext, enabled == DctConstants.ENABLED, apnContext.getDependencyMet()); } @Override // TODO: We shouldnt need this. protected boolean onTrySetupData(String reason) { if (DBG) log("onTrySetupData: reason=" + reason); setupDataOnConnectableApns(reason); return true; } protected boolean onTrySetupData(ApnContext apnContext) { if (DBG) log("onTrySetupData: apnContext=" + apnContext); return trySetupData(apnContext); } @Override protected void onRoamingOff() { if (DBG) log("onRoamingOff"); if (mUserDataEnabled == false) return; if (getDataOnRoamingEnabled() == false) { notifyOffApnsOfAvailability(Phone.REASON_ROAMING_OFF); setupDataOnConnectableApns(Phone.REASON_ROAMING_OFF); } else { notifyDataConnection(Phone.REASON_ROAMING_OFF); } } @Override protected void onRoamingOn() { if (mUserDataEnabled == false) return; if (getDataOnRoamingEnabled()) { if (DBG) log("onRoamingOn: setup data on roaming"); setupDataOnConnectableApns(Phone.REASON_ROAMING_ON); notifyDataConnection(Phone.REASON_ROAMING_ON); } else { if (DBG) log("onRoamingOn: Tear down data connection on roaming."); cleanUpAllConnections(true, Phone.REASON_ROAMING_ON); notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); } } @Override protected void onRadioAvailable() { if (DBG) log("onRadioAvailable"); if (mPhone.getSimulatedRadioControl() != null) { // Assume data is connected on the simulator // FIXME this can be improved // setState(DctConstants.State.CONNECTED); notifyDataConnection(null); log("onRadioAvailable: We're on the simulator; assuming data is connected"); } IccRecords r = mIccRecords.get(); if (r != null && r.getRecordsLoaded()) { notifyOffApnsOfAvailability(null); } if (getOverallState() != DctConstants.State.IDLE) { cleanUpConnection(true, null); } } @Override protected void onRadioOffOrNotAvailable() { // Make sure our reconnect delay starts at the initial value // next time the radio comes on mReregisterOnReconnectFailure = false; if (mPhone.getSimulatedRadioControl() != null) { // Assume data is connected on the simulator // FIXME this can be improved log("We're on the simulator; assuming radio off is meaningless"); } else { if (DBG) log("onRadioOffOrNotAvailable: is off and clean up all connections"); cleanUpAllConnections(false, Phone.REASON_RADIO_TURNED_OFF); } notifyOffApnsOfAvailability(null); } /** * A SETUP (aka bringUp) has completed, possibly with an error. If * there is an error this method will call {@link #onDataSetupCompleteError}. */ @Override protected void onDataSetupComplete(AsyncResult ar) { DcFailCause cause = DcFailCause.UNKNOWN; boolean handleError = false; ApnContext apnContext = null; if(ar.userObj instanceof ApnContext){ apnContext = (ApnContext)ar.userObj; } else { throw new RuntimeException("onDataSetupComplete: No apnContext"); } if (ar.exception == null) { DcAsyncChannel dcac = apnContext.getDcAc(); if (RADIO_TESTS) { // Note: To change radio.test.onDSC.null.dcac from command line you need to // adb root and adb remount and from the command line you can only change the // value to 1 once. To change it a second time you can reboot or execute // adb shell stop and then adb shell start. The command line to set the value is: // adb shell sqlite3 /data/data/com.android.providers.settings/databases/settings.db "insert into system (name,value) values ('radio.test.onDSC.null.dcac', '1');" ContentResolver cr = mPhone.getContext().getContentResolver(); String radioTestProperty = "radio.test.onDSC.null.dcac"; if (Settings.System.getInt(cr, radioTestProperty, 0) == 1) { log("onDataSetupComplete: " + radioTestProperty + " is true, set dcac to null and reset property to false"); dcac = null; Settings.System.putInt(cr, radioTestProperty, 0); log("onDataSetupComplete: " + radioTestProperty + "=" + Settings.System.getInt(mPhone.getContext().getContentResolver(), radioTestProperty, -1)); } } if (dcac == null) { log("onDataSetupComplete: no connection to DC, handle as error"); cause = DcFailCause.CONNECTION_TO_DATACONNECTIONAC_BROKEN; handleError = true; } else { ApnSetting apn = apnContext.getApnSetting(); if (DBG) { log("onDataSetupComplete: success apn=" + (apn == null ? "unknown" : apn.apn)); } if (apn != null && apn.proxy != null && apn.proxy.length() != 0) { try { String port = apn.port; if (TextUtils.isEmpty(port)) port = "8080"; ProxyProperties proxy = new ProxyProperties(apn.proxy, Integer.parseInt(port), null); dcac.setLinkPropertiesHttpProxySync(proxy); } catch (NumberFormatException e) { loge("onDataSetupComplete: NumberFormatException making ProxyProperties (" + apn.port + "): " + e); } } // everything is setup if(TextUtils.equals(apnContext.getApnType(),PhoneConstants.APN_TYPE_DEFAULT)) { SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "true"); if (mCanSetPreferApn && mPreferredApn == null) { if (DBG) log("onDataSetupComplete: PREFERED APN is null"); mPreferredApn = apn; if (mPreferredApn != null) { setPreferredApn(mPreferredApn.id); } } } else { SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "false"); } notifyDefaultData(apnContext); } } else { cause = (DcFailCause) (ar.result); if (DBG) { ApnSetting apn = apnContext.getApnSetting(); log(String.format("onDataSetupComplete: error apn=%s cause=%s", (apn == null ? "unknown" : apn.apn), cause)); } if (cause.isEventLoggable()) { // Log this failure to the Event Logs. int cid = getCellLocationId(); EventLog.writeEvent(EventLogTags.PDP_SETUP_FAIL, cause.ordinal(), cid, TelephonyManager.getDefault().getNetworkType()); } // Count permanent failures and remove the APN we just tried if (cause.isPermanentFail()) apnContext.decWaitingApnsPermFailCount(); apnContext.removeWaitingApn(apnContext.getApnSetting()); if (DBG) { log(String.format("onDataSetupComplete: WaitingApns.size=%d" + " WaitingApnsPermFailureCountDown=%d", apnContext.getWaitingApns().size(), apnContext.getWaitingApnsPermFailCount())); } handleError = true; } if (handleError) { onDataSetupCompleteError(ar); } } /** * @return number of milli-seconds to delay between trying apns' */ private int getApnDelay() { if (mFailFast) { return SystemProperties.getInt("persist.radio.apn_ff_delay", APN_FAIL_FAST_DELAY_DEFAULT_MILLIS); } else { return SystemProperties.getInt("persist.radio.apn_delay", APN_DELAY_DEFAULT_MILLIS); } } /** * Error has occurred during the SETUP {aka bringUP} request and the DCT * should either try the next waiting APN or start over from the * beginning if the list is empty. Between each SETUP request there will * be a delay defined by {@link #getApnDelay()}. */ @Override protected void onDataSetupCompleteError(AsyncResult ar) { String reason = ""; ApnContext apnContext = null; if(ar.userObj instanceof ApnContext){ apnContext = (ApnContext)ar.userObj; } else { throw new RuntimeException("onDataSetupCompleteError: No apnContext"); } // See if there are more APN's to try if (apnContext.getWaitingApns().isEmpty()) { apnContext.setState(DctConstants.State.FAILED); mPhone.notifyDataConnection(Phone.REASON_APN_FAILED, apnContext.getApnType()); apnContext.setDataConnectionAc(null); if (apnContext.getWaitingApnsPermFailCount() == 0) { if (DBG) { log("onDataSetupCompleteError: All APN's had permanent failures, stop retrying"); } } else { int delay = getApnDelay(); if (DBG) { log("onDataSetupCompleteError: Not all APN's had permanent failures delay=" + delay); } startAlarmForRestartTrySetup(delay, apnContext); } } else { if (DBG) log("onDataSetupCompleteError: Try next APN"); apnContext.setState(DctConstants.State.SCANNING); // Wait a bit before trying the next APN, so that // we're not tying up the RIL command channel startAlarmForReconnect(getApnDelay(), apnContext); } } /** * Called when EVENT_DISCONNECT_DONE is received. */ @Override protected void onDisconnectDone(int connId, AsyncResult ar) { ApnContext apnContext = null; if (ar.userObj instanceof ApnContext) { apnContext = (ApnContext) ar.userObj; } else { loge("onDisconnectDone: Invalid ar in onDisconnectDone, ignore"); return; } if(DBG) log("onDisconnectDone: EVENT_DISCONNECT_DONE apnContext=" + apnContext); apnContext.setState(DctConstants.State.IDLE); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); // if all data connection are gone, check whether Airplane mode request was // pending. if (isDisconnected()) { if (mPhone.getServiceStateTracker().processPendingRadioPowerOffAfterDataOff()) { // Radio will be turned off. No need to retry data setup apnContext.setApnSetting(null); apnContext.setDataConnectionAc(null); return; } } // If APN is still enabled, try to bring it back up automatically if (mAttached.get() && apnContext.isReady() && retryAfterDisconnected(apnContext.getReason())) { SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "false"); // Wait a bit before trying the next APN, so that // we're not tying up the RIL command channel. // This also helps in any external dependency to turn off the context. startAlarmForReconnect(getApnDelay(), apnContext); } else { apnContext.setApnSetting(null); apnContext.setDataConnectionAc(null); } } /** * Called when EVENT_DISCONNECT_DC_RETRYING is received. */ @Override protected void onDisconnectDcRetrying(int connId, AsyncResult ar) { // We could just do this in DC!!! ApnContext apnContext = null; if (ar.userObj instanceof ApnContext) { apnContext = (ApnContext) ar.userObj; } else { loge("onDisconnectDcRetrying: Invalid ar in onDisconnectDone, ignore"); return; } apnContext.setState(DctConstants.State.RETRYING); if(DBG) log("onDisconnectDcRetrying: apnContext=" + apnContext); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); } protected void onPollPdp() { if (getOverallState() == DctConstants.State.CONNECTED) { // only poll when connected mPhone.mCi.getDataCallList(obtainMessage(DctConstants.EVENT_DATA_STATE_CHANGED)); sendMessageDelayed(obtainMessage(DctConstants.EVENT_POLL_PDP), POLL_PDP_MILLIS); } } @Override protected void onVoiceCallStarted() { if (DBG) log("onVoiceCallStarted"); mInVoiceCall = true; if (isConnected() && ! mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { if (DBG) log("onVoiceCallStarted stop polling"); stopNetStatPoll(); stopDataStallAlarm(); notifyDataConnection(Phone.REASON_VOICE_CALL_STARTED); } } @Override protected void onVoiceCallEnded() { if (DBG) log("onVoiceCallEnded"); mInVoiceCall = false; if (isConnected()) { if (!mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); notifyDataConnection(Phone.REASON_VOICE_CALL_ENDED); } else { // clean slate after call end. resetPollStats(); } } // reset reconnect timer setupDataOnConnectableApns(Phone.REASON_VOICE_CALL_ENDED); } @Override protected void onCleanUpConnection(boolean tearDown, int apnId, String reason) { if (DBG) log("onCleanUpConnection"); ApnContext apnContext = mApnContexts.get(apnIdToType(apnId)); if (apnContext != null) { apnContext.setReason(reason); cleanUpConnection(tearDown, apnContext); } } @Override protected boolean isConnected() { for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.getState() == DctConstants.State.CONNECTED) { // At least one context is connected, return true return true; } } // There are not any contexts connected, return false return false; } @Override public boolean isDisconnected() { for (ApnContext apnContext : mApnContexts.values()) { if (!apnContext.isDisconnected()) { // At least one context was not disconnected return false return false; } } // All contexts were disconnected so return true return true; } @Override protected void notifyDataConnection(String reason) { if (DBG) log("notifyDataConnection: reason=" + reason); for (ApnContext apnContext : mApnContexts.values()) { if (mAttached.get() && apnContext.isReady()) { if (DBG) log("notifyDataConnection: type:" + apnContext.getApnType()); mPhone.notifyDataConnection(reason != null ? reason : apnContext.getReason(), apnContext.getApnType()); } } notifyOffApnsOfAvailability(reason); } /** * Based on the sim operator numeric, create a list for all possible * Data Connections and setup the preferredApn. */ private void createAllApnList() { mAllApnSettings = new ArrayList(); IccRecords r = mIccRecords.get(); String operator = (r != null) ? r.getOperatorNumeric() : ""; if (operator != null) { String selection = "numeric = '" + operator + "'"; // query only enabled apn. // carrier_enabled : 1 means enabled apn, 0 disabled apn. selection += " and carrier_enabled = 1"; if (DBG) log("createAllApnList: selection=" + selection); Cursor cursor = mPhone.getContext().getContentResolver().query( Telephony.Carriers.CONTENT_URI, null, selection, null, null); if (cursor != null) { if (cursor.getCount() > 0) { mAllApnSettings = createApnList(cursor); } cursor.close(); } } if (mAllApnSettings.isEmpty() && mPhone.getPhoneType() == PhoneConstants.PHONE_TYPE_CDMA) { // Create dummy data profile. if (DBG) log("createAllApnList: Creating dummy apn for cdma operator:" + operator); String[] mDefaultApnTypes = { PhoneConstants.APN_TYPE_DEFAULT, PhoneConstants.APN_TYPE_MMS, PhoneConstants.APN_TYPE_SUPL, PhoneConstants.APN_TYPE_HIPRI, PhoneConstants.APN_TYPE_FOTA, PhoneConstants.APN_TYPE_IMS, PhoneConstants.APN_TYPE_CBS }; ApnSetting apn = new ApnSetting(apnTypeToId(PhoneConstants.APN_TYPE_DEFAULT), operator, null, null, null, null, null, null, null, null, null, RILConstants.SETUP_DATA_AUTH_PAP_CHAP, mDefaultApnTypes, "IP", "IP", true, 0); mAllApnSettings.add(apn); } if (mAllApnSettings.isEmpty()) { if (DBG) log("createAllApnList: No APN found for carrier: " + operator); mPreferredApn = null; // TODO: What is the right behavior? //notifyNoData(DataConnection.FailCause.MISSING_UNKNOWN_APN); } else { mPreferredApn = getPreferredApn(); if (mPreferredApn != null && !mPreferredApn.numeric.equals(operator)) { mPreferredApn = null; setPreferredApn(-1); } if (DBG) log("createAllApnList: mPreferredApn=" + mPreferredApn); } if (DBG) log("createAllApnList: X mAllApnSettings=" + mAllApnSettings); } /** Return the DC AsyncChannel for the new data connection */ private DcAsyncChannel createDataConnection() { if (DBG) log("createDataConnection E"); int id = mUniqueIdGenerator.getAndIncrement(); DataConnection conn = DataConnection.makeDataConnection(mPhone, id, this, mDcTesterFailBringUpAll, mDcc); mDataConnections.put(id, conn); DcAsyncChannel dcac = new DcAsyncChannel(conn, LOG_TAG); int status = dcac.fullyConnectSync(mPhone.getContext(), this, conn.getHandler()); if (status == AsyncChannel.STATUS_SUCCESSFUL) { mDataConnectionAcHashMap.put(dcac.getDataConnectionIdSync(), dcac); } else { loge("createDataConnection: Could not connect to dcac=" + dcac + " status=" + status); } if (DBG) log("createDataConnection() X id=" + id + " dc=" + conn); return dcac; } private void destroyDataConnections() { if(mDataConnections != null) { if (DBG) log("destroyDataConnections: clear mDataConnectionList"); mDataConnections.clear(); } else { if (DBG) log("destroyDataConnections: mDataConnecitonList is empty, ignore"); } } /** * Build a list of APNs to be used to create PDP's. * * @param requestedApnType * @return waitingApns list to be used to create PDP * error when waitingApns.isEmpty() */ private ArrayList buildWaitingApns(String requestedApnType, int radioTech) { if (DBG) log("buildWaitingApns: E requestedApnType=" + requestedApnType); ArrayList apnList = new ArrayList(); if (requestedApnType.equals(PhoneConstants.APN_TYPE_DUN)) { ApnSetting dun = fetchDunApn(); if (dun != null) { apnList.add(dun); if (DBG) log("buildWaitingApns: X added APN_TYPE_DUN apnList=" + apnList); return apnList; } } IccRecords r = mIccRecords.get(); String operator = (r != null) ? r.getOperatorNumeric() : ""; // This is a workaround for a bug (7305641) where we don't failover to other // suitable APNs if our preferred APN fails. On prepaid ATT sims we need to // failover to a provisioning APN, but once we've used their default data // connection we are locked to it for life. This change allows ATT devices // to say they don't want to use preferred at all. boolean usePreferred = true; try { usePreferred = ! mPhone.getContext().getResources().getBoolean(com.android. internal.R.bool.config_dontPreferApn); } catch (Resources.NotFoundException e) { if (DBG) log("buildWaitingApns: usePreferred NotFoundException set to true"); usePreferred = true; } if (DBG) { log("buildWaitingApns: usePreferred=" + usePreferred + " canSetPreferApn=" + mCanSetPreferApn + " mPreferredApn=" + mPreferredApn + " operator=" + operator + " radioTech=" + radioTech + " IccRecords r=" + r); } if (usePreferred && mCanSetPreferApn && mPreferredApn != null && mPreferredApn.canHandleType(requestedApnType)) { if (DBG) { log("buildWaitingApns: Preferred APN:" + operator + ":" + mPreferredApn.numeric + ":" + mPreferredApn); } if (mPreferredApn.numeric.equals(operator)) { if (mPreferredApn.bearer == 0 || mPreferredApn.bearer == radioTech) { apnList.add(mPreferredApn); if (DBG) log("buildWaitingApns: X added preferred apnList=" + apnList); return apnList; } else { if (DBG) log("buildWaitingApns: no preferred APN"); setPreferredApn(-1); mPreferredApn = null; } } else { if (DBG) log("buildWaitingApns: no preferred APN"); setPreferredApn(-1); mPreferredApn = null; } } if (mAllApnSettings != null) { if (DBG) log("buildWaitingApns: mAllApnSettings=" + mAllApnSettings); for (ApnSetting apn : mAllApnSettings) { if (DBG) log("buildWaitingApns: apn=" + apn); if (apn.canHandleType(requestedApnType)) { if (apn.bearer == 0 || apn.bearer == radioTech) { if (DBG) log("buildWaitingApns: adding apn=" + apn.toString()); apnList.add(apn); } else { if (DBG) { log("buildWaitingApns: bearer:" + apn.bearer + " != " + "radioTech:" + radioTech); } } } else { if (DBG) { log("buildWaitingApns: couldn't handle requesedApnType=" + requestedApnType); } } } } else { loge("mAllApnSettings is empty!"); } if (DBG) log("buildWaitingApns: X apnList=" + apnList); return apnList; } private String apnListToString (ArrayList apns) { StringBuilder result = new StringBuilder(); for (int i = 0, size = apns.size(); i < size; i++) { result.append('[') .append(apns.get(i).toString()) .append(']'); } return result.toString(); } private void setPreferredApn(int pos) { if (!mCanSetPreferApn) { log("setPreferredApn: X !canSEtPreferApn"); return; } log("setPreferredApn: delete"); ContentResolver resolver = mPhone.getContext().getContentResolver(); resolver.delete(PREFERAPN_NO_UPDATE_URI, null, null); if (pos >= 0) { log("setPreferredApn: insert"); ContentValues values = new ContentValues(); values.put(APN_ID, pos); resolver.insert(PREFERAPN_NO_UPDATE_URI, values); } } private ApnSetting getPreferredApn() { if (mAllApnSettings.isEmpty()) { log("getPreferredApn: X not found mAllApnSettings.isEmpty"); return null; } Cursor cursor = mPhone.getContext().getContentResolver().query( PREFERAPN_NO_UPDATE_URI, new String[] { "_id", "name", "apn" }, null, null, Telephony.Carriers.DEFAULT_SORT_ORDER); if (cursor != null) { mCanSetPreferApn = true; } else { mCanSetPreferApn = false; } log("getPreferredApn: mRequestedApnType=" + mRequestedApnType + " cursor=" + cursor + " cursor.count=" + ((cursor != null) ? cursor.getCount() : 0)); if (mCanSetPreferApn && cursor.getCount() > 0) { int pos; cursor.moveToFirst(); pos = cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers._ID)); for(ApnSetting p : mAllApnSettings) { log("getPreferredApn: apnSetting=" + p); if (p.id == pos && p.canHandleType(mRequestedApnType)) { log("getPreferredApn: X found apnSetting" + p); cursor.close(); return p; } } } if (cursor != null) { cursor.close(); } log("getPreferredApn: X not found"); return null; } @Override public void handleMessage (Message msg) { if (DBG) log("handleMessage msg=" + msg); if (!mPhone.mIsTheCurrentActivePhone || mIsDisposed) { loge("handleMessage: Ignore GSM msgs since GSM phone is inactive"); return; } switch (msg.what) { case DctConstants.EVENT_RECORDS_LOADED: onRecordsLoaded(); break; case DctConstants.EVENT_DATA_CONNECTION_DETACHED: onDataConnectionDetached(); break; case DctConstants.EVENT_DATA_CONNECTION_ATTACHED: onDataConnectionAttached(); break; case DctConstants.EVENT_DATA_STATE_CHANGED: onDataStateChanged((AsyncResult) msg.obj); break; case DctConstants.EVENT_POLL_PDP: onPollPdp(); break; case DctConstants.EVENT_DO_RECOVERY: doRecovery(); break; case DctConstants.EVENT_APN_CHANGED: onApnChanged(); break; case DctConstants.EVENT_PS_RESTRICT_ENABLED: /** * We don't need to explicitly to tear down the PDP context * when PS restricted is enabled. The base band will deactive * PDP context and notify us with PDP_CONTEXT_CHANGED. * But we should stop the network polling and prevent reset PDP. */ if (DBG) log("EVENT_PS_RESTRICT_ENABLED " + mIsPsRestricted); stopNetStatPoll(); stopDataStallAlarm(); mIsPsRestricted = true; break; case DctConstants.EVENT_PS_RESTRICT_DISABLED: /** * When PS restrict is removed, we need setup PDP connection if * PDP connection is down. */ if (DBG) log("EVENT_PS_RESTRICT_DISABLED " + mIsPsRestricted); mIsPsRestricted = false; if (isConnected()) { startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); } else { // TODO: Should all PDN states be checked to fail? if (mState == DctConstants.State.FAILED) { cleanUpAllConnections(false, Phone.REASON_PS_RESTRICT_ENABLED); mReregisterOnReconnectFailure = false; } trySetupData(Phone.REASON_PS_RESTRICT_ENABLED, PhoneConstants.APN_TYPE_DEFAULT); } break; case DctConstants.EVENT_TRY_SETUP_DATA: if (msg.obj instanceof ApnContext) { onTrySetupData((ApnContext)msg.obj); } else if (msg.obj instanceof String) { onTrySetupData((String)msg.obj); } else { loge("EVENT_TRY_SETUP request w/o apnContext or String"); } break; case DctConstants.EVENT_CLEAN_UP_CONNECTION: boolean tearDown = (msg.arg1 == 0) ? false : true; if (DBG) log("EVENT_CLEAN_UP_CONNECTION tearDown=" + tearDown); if (msg.obj instanceof ApnContext) { cleanUpConnection(tearDown, (ApnContext)msg.obj); } else { loge("EVENT_CLEAN_UP_CONNECTION request w/o apn context, call super"); super.handleMessage(msg); } break; default: // handle the message in the super class DataConnectionTracker super.handleMessage(msg); break; } } protected int getApnProfileID(String apnType) { if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_IMS)) { return RILConstants.DATA_PROFILE_IMS; } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_FOTA)) { return RILConstants.DATA_PROFILE_FOTA; } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_CBS)) { return RILConstants.DATA_PROFILE_CBS; } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_IA)) { return RILConstants.DATA_PROFILE_DEFAULT; // DEFAULT for now } else { return RILConstants.DATA_PROFILE_DEFAULT; } } private int getCellLocationId() { int cid = -1; CellLocation loc = mPhone.getCellLocation(); if (loc != null) { if (loc instanceof GsmCellLocation) { cid = ((GsmCellLocation)loc).getCid(); } else if (loc instanceof CdmaCellLocation) { cid = ((CdmaCellLocation)loc).getBaseStationId(); } } return cid; } @Override protected void onUpdateIcc() { if (mUiccController == null ) { return; } IccRecords newIccRecords = mUiccController.getIccRecords(UiccController.APP_FAM_3GPP); IccRecords r = mIccRecords.get(); if (r != newIccRecords) { if (r != null) { log("Removing stale icc objects."); r.unregisterForRecordsLoaded(this); mIccRecords.set(null); } if (newIccRecords != null) { log("New records found"); mIccRecords.set(newIccRecords); newIccRecords.registerForRecordsLoaded( this, DctConstants.EVENT_RECORDS_LOADED, null); } } } @Override protected void log(String s) { Rlog.d(LOG_TAG, s); } @Override protected void loge(String s) { Rlog.e(LOG_TAG, s); } @Override public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.println("DataConnectionTracker extends:"); super.dump(fd, pw, args); pw.println(" mReregisterOnReconnectFailure=" + mReregisterOnReconnectFailure); pw.println(" canSetPreferApn=" + mCanSetPreferApn); pw.println(" mApnObserver=" + mApnObserver); pw.println(" getOverallState=" + getOverallState()); pw.println(" mDataConnectionAsyncChannels=%s\n" + mDataConnectionAcHashMap); pw.println(" mAttached=" + mAttached.get()); } }