Examples with NetworkAgentInfo com.android.server.connectivity.NetworkAgentInfo used on opensource projects

Example 11 with NetworkAgentInfo

use of com.android.server.connectivity.NetworkAgentInfo in project platform_frameworks_base by android.

the class ConnectivityService method handleRemoveNetworkRequest.

private void handleRemoveNetworkRequest(final NetworkRequestInfo nri, final int whichCallback) {
    final String logCallbackType = ConnectivityManager.getCallbackName(whichCallback);
    if (VDBG || (DBG && nri.request.isRequest())) {
        log("releasing " + nri.request + " (" + logCallbackType + ")");
    }
    nri.unlinkDeathRecipient();
    mNetworkRequests.remove(nri.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, whichCallback, 0);
}

Example 12 with NetworkAgentInfo

use of com.android.server.connectivity.NetworkAgentInfo in project platform_frameworks_base by android.

the class KeepaliveTracker method handleStartKeepalive.

public void handleStartKeepalive(Message message) {
    KeepaliveInfo ki = (KeepaliveInfo) message.obj;
    NetworkAgentInfo nai = ki.getNai();
    int slot = findFirstFreeSlot(nai);
    mKeepalives.get(nai).put(slot, ki);
    ki.start(slot);
}

Example 13 with NetworkAgentInfo

use of com.android.server.connectivity.NetworkAgentInfo in project platform_frameworks_base by android.

the class KeepaliveTracker method dump.

public void dump(IndentingPrintWriter pw) {
    pw.println("Packet keepalives:");
    pw.increaseIndent();
    for (NetworkAgentInfo nai : mKeepalives.keySet()) {
        pw.println(nai.name());
        pw.increaseIndent();
        for (int slot : mKeepalives.get(nai).keySet()) {
            KeepaliveInfo ki = mKeepalives.get(nai).get(slot);
            pw.println(slot + ": " + ki.toString());
        }
        pw.decreaseIndent();
    }
    pw.decreaseIndent();
}

Example 14 with NetworkAgentInfo

use of com.android.server.connectivity.NetworkAgentInfo in project android_frameworks_base by DirtyUnicorns.

the class ConnectivityService method requestRouteToHostAddress.

/**
     * Ensure that a network route exists to deliver traffic to the specified
     * host via the specified network interface.
     * @param networkType the type of the network over which traffic to the
     * specified host is to be routed
     * @param hostAddress the IP address of the host to which the route is
     * desired
     * @return {@code true} on success, {@code false} on failure
     */
@Override
public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) {
    enforceChangePermission();
    if (mProtectedNetworks.contains(networkType)) {
        enforceConnectivityInternalPermission();
    }
    InetAddress addr;
    try {
        addr = InetAddress.getByAddress(hostAddress);
    } catch (UnknownHostException e) {
        if (DBG)
            log("requestRouteToHostAddress got " + e.toString());
        return false;
    }
    if (!ConnectivityManager.isNetworkTypeValid(networkType)) {
        if (DBG)
            log("requestRouteToHostAddress on invalid network: " + networkType);
        return false;
    }
    NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType);
    if (nai == null) {
        if (mLegacyTypeTracker.isTypeSupported(networkType) == false) {
            if (DBG)
                log("requestRouteToHostAddress on unsupported network: " + networkType);
        } else {
            if (DBG)
                log("requestRouteToHostAddress on down network: " + networkType);
        }
        return false;
    }
    DetailedState netState;
    synchronized (nai) {
        netState = nai.networkInfo.getDetailedState();
    }
    if (netState != DetailedState.CONNECTED && netState != DetailedState.CAPTIVE_PORTAL_CHECK) {
        if (VDBG) {
            log("requestRouteToHostAddress on down network " + "(" + networkType + ") - dropped" + " netState=" + netState);
        }
        return false;
    }
    final int uid = Binder.getCallingUid();
    final long token = Binder.clearCallingIdentity();
    try {
        LinkProperties lp;
        int netId;
        synchronized (nai) {
            lp = nai.linkProperties;
            netId = nai.network.netId;
        }
        boolean ok = addLegacyRouteToHost(lp, addr, netId, uid);
        if (DBG)
            log("requestRouteToHostAddress ok=" + ok);
        return ok;
    } finally {
        Binder.restoreCallingIdentity(token);
    }
}

Example 15 with NetworkAgentInfo

use of com.android.server.connectivity.NetworkAgentInfo in project android_frameworks_base by DirtyUnicorns.

the class ConnectivityService method isLiveNetworkAgent.

private boolean isLiveNetworkAgent(NetworkAgentInfo nai, int what) {
    if (nai.network == null)
        return false;
    final NetworkAgentInfo officialNai = getNetworkAgentInfoForNetwork(nai.network);
    if (officialNai != null && officialNai.equals(nai))
        return true;
    if (officialNai != null || VDBG) {
        final String msg = sMagicDecoderRing.get(what, Integer.toString(what));
        loge(msg + " - isLiveNetworkAgent found mismatched netId: " + officialNai + " - " + nai);
    }
    return false;
}