Examples with ServiceSpecificException android.os.ServiceSpecificException used on opensource projects

Example 66 with ServiceSpecificException

use of android.os.ServiceSpecificException in project android_frameworks_base by crdroidandroid.

the class NetworkManagementService method closeSocketsForFirewallChainLocked.

private void closeSocketsForFirewallChainLocked(int chain, String chainName) {
    // UID ranges to close sockets on.
    UidRange[] ranges;
    // UID ranges whose sockets we won't touch.
    int[] exemptUids;
    final SparseIntArray rules = getUidFirewallRules(chain);
    int numUids = 0;
    if (getFirewallType(chain) == FIREWALL_TYPE_WHITELIST) {
        // Close all sockets on all non-system UIDs...
        ranges = new UidRange[] { // specify their ranges here.
        new UidRange(Process.FIRST_APPLICATION_UID, Integer.MAX_VALUE) };
        // ... except for the UIDs that have allow rules.
        exemptUids = new int[rules.size()];
        for (int i = 0; i < exemptUids.length; i++) {
            if (rules.valueAt(i) == NetworkPolicyManager.FIREWALL_RULE_ALLOW) {
                exemptUids[numUids] = rules.keyAt(i);
                numUids++;
            }
        }
        // fix setFirewallEnabled to grab mQuotaLock and clear rules.
        if (numUids != exemptUids.length) {
            exemptUids = Arrays.copyOf(exemptUids, numUids);
        }
    } else {
        // Close sockets for every UID that has a deny rule...
        ranges = new UidRange[rules.size()];
        for (int i = 0; i < ranges.length; i++) {
            if (rules.valueAt(i) == NetworkPolicyManager.FIREWALL_RULE_DENY) {
                int uid = rules.keyAt(i);
                ranges[numUids] = new UidRange(uid, uid);
                numUids++;
            }
        }
        // As above; usually numUids == ranges.length, but not always.
        if (numUids != ranges.length) {
            ranges = Arrays.copyOf(ranges, numUids);
        }
        // ... with no exceptions.
        exemptUids = new int[0];
    }
    try {
        mNetdService.socketDestroy(ranges, exemptUids);
    } catch (RemoteException | ServiceSpecificException e) {
        Slog.e(TAG, "Error closing sockets after enabling chain " + chainName + ": " + e);
    }
}