Add the DHCP server address to LinkProperties.
Bug: 134098566
Test: see subsequent CL in topic
Change-Id: If0f80067934189137c87cd379e7ae47b187562fd
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index ed509cb..d2efd5b 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -63,6 +63,7 @@
private String mPrivateDnsServerName;
private String mDomains;
private ArrayList<RouteInfo> mRoutes = new ArrayList<>();
+ private Inet4Address mDhcpServerAddress;
private ProxyInfo mHttpProxy;
private int mMtu;
// in the format "rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max"
@@ -196,6 +197,7 @@
addStackedLink(l);
}
setMtu(source.mMtu);
+ setDhcpServerAddress(source.getDhcpServerAddress());
mTcpBufferSizes = source.mTcpBufferSizes;
mNat64Prefix = source.mNat64Prefix;
mWakeOnLanSupported = source.mWakeOnLanSupported;
@@ -460,6 +462,24 @@
}
/**
+ * Set DHCP server address.
+ *
+ * @param serverAddress the server address to set.
+ */
+ public void setDhcpServerAddress(@Nullable Inet4Address serverAddress) {
+ mDhcpServerAddress = serverAddress;
+ }
+
+ /**
+ * Get DHCP server address
+ *
+ * @return The current DHCP server address.
+ */
+ public @Nullable Inet4Address getDhcpServerAddress() {
+ return mDhcpServerAddress;
+ }
+
+ /**
* Returns the private DNS server name that is in use. If not {@code null},
* private DNS is in strict mode. In this mode, applications should ensure
* that all DNS queries are encrypted and sent to this hostname and that
@@ -851,6 +871,7 @@
mHttpProxy = null;
mStackedLinks.clear();
mMtu = 0;
+ mDhcpServerAddress = null;
mTcpBufferSizes = null;
mNat64Prefix = null;
mWakeOnLanSupported = false;
@@ -919,6 +940,11 @@
resultJoiner.add("WakeOnLanSupported: true");
}
+ if (mDhcpServerAddress != null) {
+ resultJoiner.add("ServerAddress:");
+ resultJoiner.add(mDhcpServerAddress.toString());
+ }
+
if (mTcpBufferSizes != null) {
resultJoiner.add("TcpBufferSizes:");
resultJoiner.add(mTcpBufferSizes);
@@ -1273,6 +1299,17 @@
}
/**
+ * Compares this {@code LinkProperties} DHCP server address against the target
+ *
+ * @param target LinkProperties to compare.
+ * @return {@code true} if both are identical, {@code false} otherwise.
+ * @hide
+ */
+ public boolean isIdenticalDhcpServerAddress(@NonNull LinkProperties target) {
+ return Objects.equals(mDhcpServerAddress, target.mDhcpServerAddress);
+ }
+
+ /**
* Compares this {@code LinkProperties} interface addresses against the target
*
* @param target LinkProperties to compare.
@@ -1489,6 +1526,7 @@
*/
return isIdenticalInterfaceName(target)
&& isIdenticalAddresses(target)
+ && isIdenticalDhcpServerAddress(target)
&& isIdenticalDnses(target)
&& isIdenticalPrivateDns(target)
&& isIdenticalValidatedPrivateDnses(target)
@@ -1613,6 +1651,7 @@
+ mMtu * 51
+ ((null == mTcpBufferSizes) ? 0 : mTcpBufferSizes.hashCode())
+ (mUsePrivateDns ? 57 : 0)
+ + ((null == mDhcpServerAddress) ? 0 : mDhcpServerAddress.hashCode())
+ mPcscfs.size() * 67
+ ((null == mPrivateDnsServerName) ? 0 : mPrivateDnsServerName.hashCode())
+ Objects.hash(mNat64Prefix)
@@ -1635,6 +1674,7 @@
dest.writeString(mPrivateDnsServerName);
writeAddresses(dest, mPcscfs);
dest.writeString(mDomains);
+ dest.writeByteArray(mDhcpServerAddress.getAddress());
dest.writeInt(mMtu);
dest.writeString(mTcpBufferSizes);
dest.writeInt(mRoutes.size());
@@ -1722,6 +1762,10 @@
} catch (UnknownHostException e) { }
}
netProp.setDomains(in.readString());
+ try {
+ netProp.setDhcpServerAddress((Inet4Address) InetAddress
+ .getByAddress(in.createByteArray()));
+ } catch (UnknownHostException e) { }
netProp.setMtu(in.readInt());
netProp.setTcpBufferSizes(in.readString());
addressCount = in.readInt();