diff options
Diffstat (limited to 'packages/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java')
| -rw-r--r-- | packages/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/packages/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java b/packages/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java deleted file mode 100644 index aaaec17bf922..000000000000 --- a/packages/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Copyright (C) 2018 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.net.dhcp; - -import static com.android.net.module.util.Inet4AddressUtils.inet4AddressToIntHTH; - -import android.net.LinkAddress; -import android.util.ArraySet; - -import androidx.annotation.NonNull; -import androidx.annotation.Nullable; - -import java.net.Inet4Address; -import java.util.Collection; -import java.util.Collections; -import java.util.Set; - -/** - * Subclass of {@link DhcpServingParamsParcel} with additional utility methods for building. - * - * <p>This utility class does not check for validity of the parameters: invalid parameters are - * reported by the receiving module when unparceling the parcel. - * - * @see DhcpServingParams - * @hide - */ -public class DhcpServingParamsParcelExt extends DhcpServingParamsParcel { - public static final int MTU_UNSET = 0; - - /** - * Set the server address and served prefix for the DHCP server. - * - * <p>This parameter is required. - */ - public DhcpServingParamsParcelExt setServerAddr(@NonNull LinkAddress serverAddr) { - this.serverAddr = inet4AddressToIntHTH((Inet4Address) serverAddr.getAddress()); - this.serverAddrPrefixLength = serverAddr.getPrefixLength(); - return this; - } - - /** - * Set the default routers to be advertised to DHCP clients. - * - * <p>Each router must be inside the served prefix. This may be an empty set, but it must - * always be set explicitly. - */ - public DhcpServingParamsParcelExt setDefaultRouters(@NonNull Set<Inet4Address> defaultRouters) { - this.defaultRouters = toIntArray(defaultRouters); - return this; - } - - /** - * Set the default routers to be advertised to DHCP clients. - * - * <p>Each router must be inside the served prefix. This may be an empty list of routers, - * but it must always be set explicitly. - */ - public DhcpServingParamsParcelExt setDefaultRouters(@NonNull Inet4Address... defaultRouters) { - return setDefaultRouters(newArraySet(defaultRouters)); - } - - /** - * Convenience method to build the parameters with no default router. - * - * <p>Equivalent to calling {@link #setDefaultRouters(Inet4Address...)} with no address. - */ - public DhcpServingParamsParcelExt setNoDefaultRouter() { - return setDefaultRouters(); - } - - /** - * Set the DNS servers to be advertised to DHCP clients. - * - * <p>This may be an empty set, but it must always be set explicitly. - */ - public DhcpServingParamsParcelExt setDnsServers(@NonNull Set<Inet4Address> dnsServers) { - this.dnsServers = toIntArray(dnsServers); - return this; - } - - /** - * Set the DNS servers to be advertised to DHCP clients. - * - * <p>This may be an empty list of servers, but it must always be set explicitly. - */ - public DhcpServingParamsParcelExt setDnsServers(@NonNull Inet4Address... dnsServers) { - return setDnsServers(newArraySet(dnsServers)); - } - - /** - * Convenience method to build the parameters with no DNS server. - * - * <p>Equivalent to calling {@link #setDnsServers(Inet4Address...)} with no address. - */ - public DhcpServingParamsParcelExt setNoDnsServer() { - return setDnsServers(); - } - - /** - * Set excluded addresses that the DHCP server is not allowed to assign to clients. - * - * <p>This parameter is optional. DNS servers and default routers are always excluded - * and do not need to be set here. - */ - public DhcpServingParamsParcelExt setExcludedAddrs(@NonNull Set<Inet4Address> excludedAddrs) { - this.excludedAddrs = toIntArray(excludedAddrs); - return this; - } - - /** - * Set excluded addresses that the DHCP server is not allowed to assign to clients. - * - * <p>This parameter is optional. DNS servers and default routers are always excluded - * and do not need to be set here. - */ - public DhcpServingParamsParcelExt setExcludedAddrs(@NonNull Inet4Address... excludedAddrs) { - return setExcludedAddrs(newArraySet(excludedAddrs)); - } - - /** - * Set the lease time for leases assigned by the DHCP server. - * - * <p>This parameter is required. - */ - public DhcpServingParamsParcelExt setDhcpLeaseTimeSecs(long dhcpLeaseTimeSecs) { - this.dhcpLeaseTimeSecs = dhcpLeaseTimeSecs; - return this; - } - - /** - * Set the link MTU to be advertised to DHCP clients. - * - * <p>If set to {@link #MTU_UNSET}, no MTU will be advertised to clients. This parameter - * is optional and defaults to {@link #MTU_UNSET}. - */ - public DhcpServingParamsParcelExt setLinkMtu(int linkMtu) { - this.linkMtu = linkMtu; - return this; - } - - /** - * Set whether the DHCP server should send the ANDROID_METERED vendor-specific option. - * - * <p>If not set, the default value is false. - */ - public DhcpServingParamsParcelExt setMetered(boolean metered) { - this.metered = metered; - return this; - } - - /** - * Set the client address to tell DHCP server only offer this address. - * The client's prefix length is the same as server's. - * - * <p>If not set, the default value is null. - */ - public DhcpServingParamsParcelExt setSingleClientAddr(@Nullable Inet4Address clientAddr) { - this.singleClientAddr = clientAddr == null ? 0 : inet4AddressToIntHTH(clientAddr); - return this; - } - - /** - * Set whether the DHCP server should request a new prefix from IpServer when receiving - * DHCPDECLINE message in certain particular link (e.g. there is only one downstream USB - * tethering client). If it's false, process DHCPDECLINE message as RFC2131#4.3.3 suggests. - * - * <p>If not set, the default value is false. - */ - public DhcpServingParamsParcelExt setChangePrefixOnDecline(boolean changePrefixOnDecline) { - this.changePrefixOnDecline = changePrefixOnDecline; - return this; - } - - private static int[] toIntArray(@NonNull Collection<Inet4Address> addrs) { - int[] res = new int[addrs.size()]; - int i = 0; - for (Inet4Address addr : addrs) { - res[i] = inet4AddressToIntHTH(addr); - i++; - } - return res; - } - - private static ArraySet<Inet4Address> newArraySet(Inet4Address... addrs) { - ArraySet<Inet4Address> addrSet = new ArraySet<>(addrs.length); - Collections.addAll(addrSet, addrs); - return addrSet; - } -} |