Examples with DetailedState android.net.NetworkInfo.DetailedState used on opensource projects

Example 6 with DetailedState

use of android.net.NetworkInfo.DetailedState in project android_frameworks_base by AOSPA.

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);
    }
}