LineageOS/android_packages_modules_Connectivity
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Assign specific client address to dhcp server

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Bug: 141256482
Test: manual
      atest TetheringTests

Merged-In: Ief76c98c843ba5420224cbf0f34464f366c891b7
Change-Id: Ief76c98c843ba5420224cbf0f34464f366c891b7
This commit is contained in:
Treehugger Robot
2020-03-30 04:23:55 +00:00
committed by Mark Chien
parent d20078112b
commit 5da1070d8f
5 changed files with 76 additions and 22 deletions
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15
Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java
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@@ -18,10 +18,12 @@ package android.net.dhcp;
import static android.net.shared.Inet4AddressUtils.inet4AddressToIntHTH;
import android.annotation.NonNull;
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;
@@ -160,6 +162,17 @@ public class DhcpServingParamsParcelExt extends DhcpServingParamsParcel {
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.clientAddr = clientAddr == null ? 0 : inet4AddressToIntHTH(clientAddr);
return this;
}
private static int[] toIntArray(@NonNull Collection<Inet4Address> addrs) {
int[] res = new int[addrs.size()];
int i = 0;