Examples with NetworkRequest android.net.NetworkRequest used on opensource projects

Example 56 with NetworkRequest

use of android.net.NetworkRequest in project android_frameworks_base by crdroidandroid.

the class ConnectivityService method teardownUnneededNetwork.

private void teardownUnneededNetwork(NetworkAgentInfo nai) {
    if (nai.numRequestNetworkRequests() != 0) {
        for (int i = 0; i < nai.numNetworkRequests(); i++) {
            NetworkRequest nr = nai.requestAt(i);
            // Ignore listening requests.
            if (nr.isListen())
                continue;
            loge("Dead network still had at least " + nr);
            break;
        }
    }
    nai.asyncChannel.disconnect();
}

Example 57 with NetworkRequest

use of android.net.NetworkRequest in project android_frameworks_base by crdroidandroid.

the class ConnectivityService method handleAsyncChannelDisconnected.

private void handleAsyncChannelDisconnected(Message msg) {
    NetworkAgentInfo nai = mNetworkAgentInfos.get(msg.replyTo);
    if (nai != null) {
        if (DBG) {
            log(nai.name() + " got DISCONNECTED, was satisfying " + nai.numNetworkRequests());
        }
        // disconnect the channel.
        if (nai.networkInfo.isConnected()) {
            nai.networkInfo.setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, null, null);
        }
        final boolean wasDefault = isDefaultNetwork(nai);
        if (wasDefault) {
            mDefaultInetConditionPublished = 0;
            // Log default network disconnection before required book-keeping.
            // Let rematchAllNetworksAndRequests() below record a new default network event
            // if there is a fallback. Taken together, the two form a X -> 0, 0 -> Y sequence
            // whose timestamps tell how long it takes to recover a default network.
            logDefaultNetworkEvent(null, nai);
        }
        notifyIfacesChangedForNetworkStats();
        // TODO - we shouldn't send CALLBACK_LOST to requests that can be satisfied
        // by other networks that are already connected. Perhaps that can be done by
        // sending all CALLBACK_LOST messages (for requests, not listens) at the end
        // of rematchAllNetworksAndRequests
        notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOST);
        mKeepaliveTracker.handleStopAllKeepalives(nai, ConnectivityManager.PacketKeepalive.ERROR_INVALID_NETWORK);
        nai.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_DISCONNECTED);
        mNetworkAgentInfos.remove(msg.replyTo);
        updateClat(null, nai.linkProperties, nai);
        synchronized (mNetworkForNetId) {
            // Remove the NetworkAgent, but don't mark the netId as
            // available until we've told netd to delete it below.
            mNetworkForNetId.remove(nai.network.netId);
        }
        // Remove all previously satisfied requests.
        for (int i = 0; i < nai.numNetworkRequests(); i++) {
            NetworkRequest request = nai.requestAt(i);
            NetworkAgentInfo currentNetwork = mNetworkForRequestId.get(request.requestId);
            if (currentNetwork != null && currentNetwork.network.netId == nai.network.netId) {
                mNetworkForRequestId.remove(request.requestId);
                sendUpdatedScoreToFactories(request, 0);
            }
        }
        nai.clearLingerState();
        if (nai.isSatisfyingRequest(mDefaultRequest.requestId)) {
            removeDataActivityTracking(nai);
            notifyLockdownVpn(nai);
            requestNetworkTransitionWakelock(nai.name());
        }
        mLegacyTypeTracker.remove(nai, wasDefault);
        rematchAllNetworksAndRequests(null, 0);
        mLingerMonitor.noteDisconnect(nai);
        if (nai.created) {
            // long time.
            try {
                mNetd.removeNetwork(nai.network.netId);
            } catch (Exception e) {
                loge("Exception removing network: " + e);
            }
        }
        synchronized (mNetworkForNetId) {
            mNetIdInUse.delete(nai.network.netId);
        }
    } else {
        NetworkFactoryInfo nfi = mNetworkFactoryInfos.remove(msg.replyTo);
        if (DBG && nfi != null)
            log("unregisterNetworkFactory for " + nfi.name);
    }
}

Example 58 with NetworkRequest

use of android.net.NetworkRequest in project android_frameworks_base by crdroidandroid.

the class ConnectivityService method handleReleaseNetworkRequest.

private void handleReleaseNetworkRequest(NetworkRequest request, int callingUid) {
    final NetworkRequestInfo nri = getNriForAppRequest(request, callingUid, "release NetworkRequest");
    if (nri == null)
        return;
    if (VDBG || (DBG && nri.request.isRequest()))
        log("releasing " + request);
    nri.unlinkDeathRecipient();
    mNetworkRequests.remove(request);
    synchronized (mUidToNetworkRequestCount) {
        int requests = mUidToNetworkRequestCount.get(nri.mUid, 0);
        if (requests < 1) {
            Slog.wtf(TAG, "BUG: too small request count " + requests + " for UID " + nri.mUid);
        } else if (requests == 1) {
            mUidToNetworkRequestCount.removeAt(mUidToNetworkRequestCount.indexOfKey(nri.mUid));
        } else {
            mUidToNetworkRequestCount.put(nri.mUid, requests - 1);
        }
    }
    mNetworkRequestInfoLogs.log("RELEASE " + nri);
    if (nri.request.isRequest()) {
        boolean wasKept = false;
        NetworkAgentInfo nai = mNetworkForRequestId.get(nri.request.requestId);
        if (nai != null) {
            boolean wasBackgroundNetwork = nai.isBackgroundNetwork();
            nai.removeRequest(nri.request.requestId);
            if (VDBG) {
                log(" Removing from current network " + nai.name() + ", leaving " + nai.numNetworkRequests() + " requests.");
            }
            // If there are still lingered requests on this network, don't tear it down,
            // but resume lingering instead.
            updateLingerState(nai, SystemClock.elapsedRealtime());
            if (unneeded(nai, UnneededFor.TEARDOWN)) {
                if (DBG)
                    log("no live requests for " + nai.name() + "; disconnecting");
                teardownUnneededNetwork(nai);
            } else {
                wasKept = true;
            }
            mNetworkForRequestId.remove(nri.request.requestId);
            if (!wasBackgroundNetwork && nai.isBackgroundNetwork()) {
                // Went from foreground to background.
                updateCapabilities(nai.getCurrentScore(), nai, nai.networkCapabilities);
            }
        }
        // network satisfying it, so this loop is wasteful
        for (NetworkAgentInfo otherNai : mNetworkAgentInfos.values()) {
            if (otherNai.isSatisfyingRequest(nri.request.requestId) && otherNai != nai) {
                Slog.wtf(TAG, "Request " + nri.request + " satisfied by " + otherNai.name() + ", but mNetworkAgentInfos says " + (nai != null ? nai.name() : "null"));
            }
        }
        // phantom disconnect for this type.
        if (nri.request.legacyType != TYPE_NONE && nai != null) {
            boolean doRemove = true;
            if (wasKept) {
                // same legacy type - if so, don't remove the nai
                for (int i = 0; i < nai.numNetworkRequests(); i++) {
                    NetworkRequest otherRequest = nai.requestAt(i);
                    if (otherRequest.legacyType == nri.request.legacyType && otherRequest.isRequest()) {
                        if (DBG)
                            log(" still have other legacy request - leaving");
                        doRemove = false;
                    }
                }
            }
            if (doRemove) {
                mLegacyTypeTracker.remove(nri.request.legacyType, nai, false);
            }
        }
        for (NetworkFactoryInfo nfi : mNetworkFactoryInfos.values()) {
            nfi.asyncChannel.sendMessage(android.net.NetworkFactory.CMD_CANCEL_REQUEST, nri.request);
        }
    } else {
        // if this listen request applies and remove it.
        for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) {
            nai.removeRequest(nri.request.requestId);
            if (nri.request.networkCapabilities.hasSignalStrength() && nai.satisfiesImmutableCapabilitiesOf(nri.request)) {
                updateSignalStrengthThresholds(nai, "RELEASE", nri.request);
            }
        }
    }
    callCallbackForRequest(nri, null, ConnectivityManager.CALLBACK_RELEASED, 0);
}

Example 59 with NetworkRequest

use of android.net.NetworkRequest in project android_frameworks_base by crdroidandroid.

the class ConnectivityService method callCallbackForRequest.

private void callCallbackForRequest(NetworkRequestInfo nri, NetworkAgentInfo networkAgent, int notificationType, int arg1) {
    // Default request has no msgr
    if (nri.messenger == null)
        return;
    Bundle bundle = new Bundle();
    bundle.putParcelable(NetworkRequest.class.getSimpleName(), new NetworkRequest(nri.request));
    Message msg = Message.obtain();
    if (notificationType != ConnectivityManager.CALLBACK_UNAVAIL && notificationType != ConnectivityManager.CALLBACK_RELEASED) {
        bundle.putParcelable(Network.class.getSimpleName(), networkAgent.network);
    }
    switch(notificationType) {
        case ConnectivityManager.CALLBACK_LOSING:
            {
                msg.arg1 = arg1;
                break;
            }
        case ConnectivityManager.CALLBACK_CAP_CHANGED:
            {
                bundle.putParcelable(NetworkCapabilities.class.getSimpleName(), new NetworkCapabilities(networkAgent.networkCapabilities));
                break;
            }
        case ConnectivityManager.CALLBACK_IP_CHANGED:
            {
                bundle.putParcelable(LinkProperties.class.getSimpleName(), new LinkProperties(networkAgent.linkProperties));
                break;
            }
    }
    msg.what = notificationType;
    msg.setData(bundle);
    try {
        if (VDBG) {
            log("sending notification " + notifyTypeToName(notificationType) + " for " + nri.request);
        }
        nri.messenger.send(msg);
    } catch (RemoteException e) {
        // may occur naturally in the race of binder death.
        loge("RemoteException caught trying to send a callback msg for " + nri.request);
    }
}

Example 60 with NetworkRequest

use of android.net.NetworkRequest in project android_frameworks_base by crdroidandroid.

the class ConnectivityService method pendingRequestForNetwork.

@Override
public NetworkRequest pendingRequestForNetwork(NetworkCapabilities networkCapabilities, PendingIntent operation) {
    checkNotNull(operation, "PendingIntent cannot be null.");
    networkCapabilities = new NetworkCapabilities(networkCapabilities);
    enforceNetworkRequestPermissions(networkCapabilities);
    enforceMeteredApnPolicy(networkCapabilities);
    ensureRequestableCapabilities(networkCapabilities);
    NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, TYPE_NONE, nextNetworkRequestId(), NetworkRequest.Type.REQUEST);
    NetworkRequestInfo nri = new NetworkRequestInfo(networkRequest, operation);
    if (DBG)
        log("pendingRequest for " + nri);
    mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_REQUEST_WITH_INTENT, nri));
    return networkRequest;
}