Support bearer-specific DUN APN on CDMA (1484bfe9) · Commits · e / os / android_frameworks_opt_telephony

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

+5 −1

Original line number	Diff line number	Diff line
		@@ -1939,9 +1939,13 @@ public final class DataConnection extends StateMachine {
		}

		protected void unwanted() {
		if (mNetworkAgent != this) {
		log("unwanted found mNetworkAgent=" + mNetworkAgent +
		", which isn't me. Aborting unwanted");
		return;
		}
		// this can only happen if our exit has been called - we're already disconnected
		if (mApnContexts == null) return;

		for (ApnContext apnContext : mApnContexts) {
		Message msg = mDct.obtainMessage(DctConstants.EVENT_DISCONNECT_DONE, apnContext);
		DisconnectParams dp = new DisconnectParams(apnContext, apnContext.getReason(), msg);

src/java/com/android/internal/telephony/dataconnection/DcTracker.java

+38 −12

Original line number	Diff line number	Diff line
		@@ -966,9 +966,7 @@ public final class DcTracker extends DcTrackerBase {
		if (PhoneConstants.APN_TYPE_DUN.equals(apnContext.getApnType())) {
		// CAF_MSIM is this below condition required.
		// if (PhoneConstants.APN_TYPE_DUN.equals(PhoneConstants.APN_TYPE_DEFAULT)) {
		ApnSetting dunSetting = fetchDunApn();
		if (dunSetting != null &&
		dunSetting.equals(apnContext.getApnSetting())) {
		if (teardownForDun()) {
		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
		@@ -1017,6 +1015,17 @@ public final class DcTracker extends DcTrackerBase {
		}
		}

		/**
		* Determine if DUN connection is special and we need to teardown on start/stop
		*/
		private boolean teardownForDun() {
		// CDMA always needs to do this the profile id is correct
		final int rilRat = mPhone.getServiceState().getRilDataRadioTechnology();
		if (ServiceState.isCdma(rilRat)) return true;

		return (fetchDunApn() != null);
		}

		/**
		* Cancels the alarm associated with apnContext.
		*
		@@ -1201,7 +1210,7 @@ public final class DcTracker extends DcTrackerBase {
		private boolean setupData(ApnContext apnContext, int radioTech) {
		if (DBG) log("setupData: apnContext=" + apnContext);
		ApnSetting apnSetting;
		DcAsyncChannel dcac;
		DcAsyncChannel dcac = null;

		apnSetting = apnContext.getNextWaitingApn();
		if (apnSetting == null) {
		@@ -1214,6 +1223,12 @@ public final class DcTracker extends DcTrackerBase {
		profileId = getApnProfileID(apnContext.getApnType());
		}

		// On CDMA, if we're explicitly asking for DUN, we need have
		// a dun-profiled connection so we can't share an existing one
		// On GSM/LTE we can share existing apn connections provided they support
		// this type.
		if (apnContext.getApnType() != PhoneConstants.APN_TYPE_DUN \|\|
		teardownForDun() == false) {
		dcac = checkForCompatibleConnectedApnContext(apnContext);
		if (dcac != null) {
		// Get the dcacApnSetting for the connection we want to share.
		@@ -1223,6 +1238,7 @@ public final class DcTracker extends DcTrackerBase {
		apnSetting = dcacApnSetting;
		}
		}
		}
		if (dcac == null) {
		if (isOnlySingleDcAllowed(radioTech)) {
		if (isHigherPriorityApnContextActive(apnContext)) {
		@@ -1509,7 +1525,17 @@ public final class DcTracker extends DcTrackerBase {
		// If ConnectivityService has disabled this network, stop trying to bring
		// it up, but do not tear it down - ConnectivityService will do that
		// directly by talking with the DataConnection.
		//
		// This doesn't apply to DUN, however. Those connections have special
		// requirements from carriers and we need stop using them when the dun
		// request goes away. This applies to both CDMA and GSM because they both
		// can declare the DUN APN sharable by default traffic, thus still satisfying
		// those requests and not torn down organically.
		if (apnContext.getApnType() == PhoneConstants.APN_TYPE_DUN && teardownForDun()) {
		cleanup = true;
		} else {
		cleanup = false;
		}
		} else {
		apnContext.setReason(Phone.REASON_DATA_DEPENDENCY_UNMET);
		}