am 9a8ea20d: am 070eecef: Merge "Map multiple apnType to one DataConnection... (fb9eebc4) · Commits · e / os / android_frameworks_base

telephony/java/com/android/internal/telephony/DataConnection.java

+49 −50

Original line number	Diff line number	Diff line
		@@ -205,6 +205,7 @@ public abstract class DataConnection extends StateMachine {
		protected long lastFailTime;
		protected FailCause lastFailCause;
		protected static final String NULL_IP = "0.0.0.0";
		private int mRefCount;
		Object userData;

		//***** Abstract methods
		@@ -413,49 +414,6 @@ public abstract class DataConnection extends StateMachine {
		return mRetryMgr.configure(configStr);
		}

		private AtomicInteger mRefCount = new AtomicInteger(0);

		/**
		* Set refCount.
		*
		* @param val is new refCount
		*/
		public void setRefCount(int val) {
		mRefCount.set(val);
		}

		/**
		* Get refCount
		*
		* @return refCount
		*/
		public int getRefCount() {
		return mRefCount.get();
		}

		/**
		* @return decrement and return refCount
		*
		* TODO: Consider using the refCount for defining the
		* life time of a connection. When this goes zero the
		* DataConnection could tear itself down.
		*/
		public int decAndGetRefCount() {
		int v = mRefCount.decrementAndGet();
		if (v < 0) {
		log("BUG: decAndGetRefCount caused refCount to be < 0");
		mRefCount.set(0);
		}
		return v;
		}

		/**
		* @return increment and return refCount
		*/
		public int incAndGetRefCount() {
		return mRefCount.incrementAndGet();
		}

		/*
		* **************************************************************************
		* End members owned by DataConnectionTracker
		@@ -471,6 +429,7 @@ public abstract class DataConnection extends StateMachine {
		createTime = -1;
		lastFailTime = -1;
		lastFailCause = FailCause.NONE;
		mRefCount = 0;

		mLinkProperties = new LinkProperties();
		mApn = null;
		@@ -674,6 +633,11 @@ public abstract class DataConnection extends StateMachine {
		mAc.replyToMessage(msg, DataConnectionAc.RSP_RESET);
		transitionTo(mInactiveState);
		break;
		case DataConnectionAc.REQ_GET_REFCOUNT: {
		log("REQ_GET_REFCOUNT refCount=" + mRefCount);
		mAc.replyToMessage(msg, DataConnectionAc.RSP_GET_REFCOUNT, mRefCount);
		break;
		}

		case EVENT_CONNECT:
		if (DBG) log("DcDefaultState: msg.what=EVENT_CONNECT, fail not expected");
		@@ -774,9 +738,13 @@ public abstract class DataConnection extends StateMachine {
		break;

		case EVENT_CONNECT:
		if (DBG) log("DcInactiveState msg.what=EVENT_CONNECT");
		ConnectionParams cp = (ConnectionParams) msg.obj;
		cp.tag = mTag;
		if (DBG) {
		log("DcInactiveState msg.what=EVENT_CONNECT." + "RefCount = "
		+ mRefCount);
		}
		mRefCount = 1;
		onConnect(cp);
		transitionTo(mActivatingState);
		retVal = HANDLED;
		@@ -804,7 +772,15 @@ public abstract class DataConnection extends StateMachine {

		switch (msg.what) {
		case EVENT_DISCONNECT:
		if (DBG) log("DcActivatingState deferring msg.what=EVENT_DISCONNECT");
		if (DBG) log("DcActivatingState deferring msg.what=EVENT_DISCONNECT"
		+ mRefCount);
		deferMessage(msg);
		retVal = HANDLED;
		break;

		case EVENT_CONNECT:
		if (DBG) log("DcActivatingState deferring msg.what=EVENT_CONNECT refCount = "
		+ mRefCount);
		deferMessage(msg);
		retVal = HANDLED;
		break;
		@@ -928,12 +904,28 @@ public abstract class DataConnection extends StateMachine {
		boolean retVal;

		switch (msg.what) {
		case EVENT_CONNECT:
		mRefCount++;
		if (DBG) log("DcActiveState msg.what=EVENT_CONNECT RefCount=" + mRefCount);
		if (msg.obj != null) {
		notifyConnectCompleted((ConnectionParams) msg.obj, FailCause.NONE);
		}
		retVal = HANDLED;
		break;
		case EVENT_DISCONNECT:
		if (DBG) log("DcActiveState msg.what=EVENT_DISCONNECT");
		mRefCount--;
		if (DBG) log("DcActiveState msg.what=EVENT_DISCONNECT RefCount=" + mRefCount);
		if (mRefCount == 0)
		{
		DisconnectParams dp = (DisconnectParams) msg.obj;
		dp.tag = mTag;
		tearDownData(dp);
		transitionTo(mDisconnectingState);
		} else {
		if (msg.obj != null) {
		notifyDisconnectCompleted((DisconnectParams) msg.obj);
		}
		}
		retVal = HANDLED;
		break;

		@@ -956,6 +948,13 @@ public abstract class DataConnection extends StateMachine {
		boolean retVal;

		switch (msg.what) {
		case EVENT_CONNECT:
		if (DBG) log("DcDisconnectingState msg.what=EVENT_CONNECT. Defer. RefCount = "
		+ mRefCount);
		deferMessage(msg);
		retVal = HANDLED;
		break;

		case EVENT_DEACTIVATE_DONE:
		if (DBG) log("DcDisconnectingState msg.what=EVENT_DEACTIVATE_DONE");
		AsyncResult ar = (AsyncResult) msg.obj;

telephony/java/com/android/internal/telephony/DataConnectionAc.java

+37 −0

Original line number	Diff line number	Diff line
		@@ -59,6 +59,9 @@ public class DataConnectionAc extends AsyncChannel {
		public static final int REQ_RESET = BASE + 14;
		public static final int RSP_RESET = BASE + 15;

		public static final int REQ_GET_REFCOUNT = BASE + 16;
		public static final int RSP_GET_REFCOUNT = BASE + 17;

		/**
		* enum used to notify action taken or necessary to be
		* taken after the link property is changed.
		@@ -151,6 +154,40 @@ public class DataConnectionAc extends AsyncChannel {
		}
		}

		/**
		* Request the Reference Count.
		* Response {@link #rspRefCount}
		*/
		public void reqRefCount() {
		sendMessage(REQ_GET_REFCOUNT);
		if (DBG) log("reqRefCount");
		}

		/**
		* Evaluate a RSP_GET_REFCOUNT message and return the refCount.
		*
		* @param response Message
		* @return ref count or -1 if an error
		*/
		public int rspRefCount(Message response) {
		int retVal = response.arg1;
		if (DBG) log("rspRefCount=" + retVal);
		return retVal;
		}

		/**
		* @return connection id or -1 if an error
		*/
		public int getRefCountSync() {
		Message response = sendMessageSynchronously(REQ_GET_REFCOUNT);
		if ((response != null) && (response.what == RSP_GET_REFCOUNT)) {
		return rspRefCount(response);
		} else {
		log("rspRefCount error response=" + response);
		return -1;
		}
		}

		/**
		* Request the connections ApnSetting.
		* Response {@link #rspApnSetting}

telephony/java/com/android/internal/telephony/DataConnectionTracker.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -987,7 +987,7 @@ public abstract class DataConnectionTracker extends Handler {
		resetAllRetryCounts();
		onTrySetupData(Phone.REASON_DATA_ENABLED);
		} else {
		onCleanUpConnection(true, APN_DEFAULT_ID, Phone.REASON_DATA_DISABLED);
		onCleanUpAllConnections(Phone.REASON_DATA_DISABLED);
		}
		}
		}

telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java

+25 −38

Original line number	Diff line number	Diff line
		@@ -612,28 +612,26 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		*
		* @param apnContext
		* @param tearDown
		* @return refCount
		* @return none
		*/
		private int releaseApnContext(ApnContext apnContext, boolean tearDown) {
		private void releaseApnContext(ApnContext apnContext, boolean tearDown) {
		if (apnContext == null) {
		if (DBG) loge("releaseApnContext: apnContext null should not happen, ignore");
		return -1;
		return;
		}
		DataConnection dc = apnContext.getDataConnection();
		if (dc == null) {
		if (DBG) loge("releaseApnContext: apnContext dc == null should not happen, ignore");
		return -1;
		return;
		}
		int refCount = dc.decAndGetRefCount();
		if (DBG) log("releaseApnContext: dec refCount=" + refCount + " tearDown=" + tearDown);
		if (tearDown && (refCount == 0)) {
		if (tearDown) {
		if (DBG) log("releaseApnContext: tearing down");
		Message msg = obtainMessage(EVENT_DISCONNECT_DONE, apnContext);
		apnContext.getDataConnection().tearDown(apnContext.getReason(), msg);
		}
		apnContext.setDataConnection(null);
		apnContext.setDataConnectionAc(null);
		return refCount;
		return;
		}

		private void setupDataOnReadyApns(String reason) {
		@@ -809,12 +807,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		apnContext.setState(State.DISCONNECTING);
		releaseApnContext(apnContext, tearDown);
		} else {
		// STOPSHIP: Reference counting logic in GDCT still have issue.
		// Need to be cleaned up in later patch
		dcac.resetSync();
		if (apnContext.getDataConnection() != null) {
		apnContext.getDataConnection().setRefCount(0);
		}
		apnContext.setState(State.IDLE);
		mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType());
		apnContext.setDataConnection(null);
		@@ -945,8 +938,13 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		// This could happen if the retries are currently engaged.
		dc = (GsmDataConnection)apnContext.getDataConnection();

		if (dc == null) {

		dc = (GsmDataConnection) checkForConnectionForApnContext(apnContext);

		if (dc == null) {
		dc = findReadyDataConnection(apn);
		}

		if (dc == null) {
		if (DBG) log("setupData: No ready GsmDataConnection found!");
		@@ -964,16 +962,16 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		return false;
		}

		DataConnectionAc dcac = mDataConnectionAsyncChannels.get(dc.getDataConnectionId());
		dc.setProfileId( profileId );
		dc.setActiveApnType(apnContext.getApnType());
		int refCount = dc.incAndGetRefCount();
		int refCount = dcac.getRefCountSync();
		if (DBG) log("setupData: init dc and apnContext refCount=" + refCount);

		// configure retry count if no other Apn is using the same connection.
		if (refCount == 1) {
		if (refCount == 0) {
		configureRetry(dc, apnContext.getApnType());
		}
		DataConnectionAc dcac = mDataConnectionAsyncChannels.get(dc.getDataConnectionId());
		apnContext.setDataConnectionAc(mDataConnectionAsyncChannels.get(dc.getDataConnectionId()));
		apnContext.setApnSetting(apn);
		apnContext.setDataConnection(dc);
		@@ -1493,23 +1491,10 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		} else {
		apnContext.setReason(Phone.REASON_DATA_ENABLED);
		}
		DataConnection conn = checkForConnectionForApnContext(apnContext);
		if (conn == null) {
		if (apnContext.getState() == State.FAILED) {
		apnContext.setState(State.IDLE);
		}
		trySetup = true;
		} else {
		int refCount = conn.incAndGetRefCount();
		apnContext.setDataConnection(conn);
		apnContext.setDataConnectionAc(
		mDataConnectionAsyncChannels.get(conn.getDataConnectionId()));
		if (DBG) {
		log("applyNewState: Found existing connection for " +
		apnContext.getApnType() + " inc refCount=" + refCount +
		" conn=" + conn);
		}
		}
		}
		}
		apnContext.setEnabled(enabled);
		@@ -1644,7 +1629,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {

		if (DBG) {
		log(String.format("onDataSetupComplete: success apn=%s",
		apnContext.getWaitingApns().get(0).apn) + " refCount=" + dc.getRefCount());
		apnContext.getWaitingApns().get(0).apn));
		}
		ApnSetting apn = apnContext.getApnSetting();
		if (apn.proxy != null && apn.proxy.length() != 0) {
		@@ -1712,10 +1697,9 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		apnContext.setState(State.FAILED);
		mPhone.notifyDataConnection(Phone.REASON_APN_FAILED, apnContext.getApnType());

		int refCount = releaseApnContext(apnContext, false);
		releaseApnContext(apnContext, false);
		if (DBG) {
		log("onDataSetupComplete: permanent error apn=%s" + apnString +
		" refCount=" + refCount);
		log("onDataSetupComplete: permanent error apn=%s" + apnString );
		}
		} else {
		if (DBG) log("onDataSetupComplete: Not all permanent failures, retry");
		@@ -1809,8 +1793,11 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		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);
		}
		}

		protected boolean isConnected() {
		for (ApnContext apnContext : mApnContexts.values()) {