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Merge "Add a test for a multihoming configuration" into main

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Treehugger Robot 2025-05-06 15:36:32 -07:00 • committed by Android (Google) Code Review
commit 0339433a11
1 changed files with 41 additions and 0 deletions
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41
tests/integration/src/android/net/Dhcp6PdTest.kt
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@ -222,4 +222,45 @@ class Dhcp6PdTest {
// TODO: Should the stack also derive an address from fd00::/48?
assertThat(prefixes).containsExactly(IpPrefix("fe80::/64"), IpPrefix("2001:db8:1234::/64"))
}
@Test
fun testProvisioning_withMultihomingConfiguration() {
// Configure two routers.
run {
val ra = RaPkt()
.addPioOption(prefix = "2001:db8:1::/64", flags = "LAP")
.addRdnssOption(dns = "2001:4860:4860::8888,2001:4860:4860::8844")
ndResponder.addRouterEntry(ROUTER_MAC, ROUTER_V6, ra)
}
run {
val ra = RaPkt()
.addPioOption(prefix = "2001:db8:2::/64", flags = "LAP")
.addRdnssOption(dns = "2001:4860:4860::8888,2001:4860:4860::8844")
val mac = MacAddress.fromString("9:8:7:6:5:4")
val ip = InetAddress.getByName("fe80::2") as Inet6Address
ndResponder.addRouterEntry(mac, ip, ra)
}
val (srcAddr, solicit) = expectDhcp6Packet<Dhcp6SolicitPacket>()
val ether = EtherPkt(src = "42:42:42:42:42:42", dst = localMac.toString())
val ipv6 = Ip6Pkt(src = "fe80::42", dst = srcAddr.hostAddress!!)
val udp = UdpPkt(sport = 547, dport = 546)
val dhcp6 = Dhcp6Pkt(type = "REPLY", transId = solicit.transactionId)
.addRapidCommitOption()
.addClientIdentifierOption(solicit.clientDuid)
.addServerIdentifierOption(byteArrayOf(5, 4, 3, 2, 1))
val dhcp6_pd = Dhcp6IaPdOpt(iaid = solicit.iaid)
.addIaPrefixOption(prefix = "2001:db8:1:1234::/64")
.addIaPrefixOption(prefix = "2001:db8:2:1234::/64")
val pkt = ether / ipv6 / udp / dhcp6 / dhcp6_pd
iface.sendPacket(pkt)
val lp = networkCallback.eventuallyExpect<LinkPropertiesChanged>().lp
val prefixes = lp.linkAddresses.map { it -> IpPrefix(it.address, it.prefixLength) }
assertThat(prefixes).containsExactly(
IpPrefix("fe80::/64"),
IpPrefix("2001:db8:1:1234::/64"),
IpPrefix("2001:db8:2:1234::/64")
)
}
}