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[5307] Added test cases for prefix delegation.

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This commit is contained in:
Marcin Siodelski
2017-09-21 13:30:04 +02:00
parent 4b7b40a2eb
commit 025108deaf
1 changed files with 114 additions and 1 deletions
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115
src/bin/dhcp6/tests/shared_network_unittest.cc
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@@ -47,6 +47,13 @@ const char* NETWORKS_CONFIG[] = {
" {"
" \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
" }"
" ],"
" \"pd-pools\": ["
" {"
" \"prefix\": \"4000::\","
" \"prefix-len\": 96,"
" \"delegated-len\": 96"
" }"
" ]"
" },"
" {"
@@ -56,6 +63,13 @@ const char* NETWORKS_CONFIG[] = {
" {"
" \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
" }"
" ],"
" \"pd-pools\": ["
" {"
" \"prefix\": \"5000::\","
" \"prefix-len\": 96,"
" \"delegated-len\": 96"
" }"
" ]"
" }"
" ]"
@@ -234,6 +248,13 @@ const char* NETWORKS_CONFIG[] = {
" \"pool\": \"2001:db8:1::1 - 2001:db8:1::64\""
" }"
" ],"
" \"pd-pools\": ["
" {"
" \"prefix\": \"4000::\","
" \"prefix-len\": 96,"
" \"delegated-len\": 96"
" }"
" ],"
" \"reservations\": ["
" {"
" \"duid\": \"00:03:00:01:aa:bb:cc:dd:ee:ff\","
@@ -249,10 +270,18 @@ const char* NETWORKS_CONFIG[] = {
" \"pool\": \"2001:db8:2::1 - 2001:db8:2::64\""
" }"
" ],"
" \"pd-pools\": ["
" {"
" \"prefix\": \"5000::\","
" \"prefix-len\": 96,"
" \"delegated-len\": 96"
" }"
" ],"
" \"reservations\": ["
" {"
" \"duid\": \"00:03:00:01:11:22:33:44:55:66\","
" \"ip-addresses\": [ \"2001:db8:2::28\" ]"
" \"ip-addresses\": [ \"2001:db8:2::28\" ],"
" \"prefixes\": [ \"1234::/64\" ]"
" }"
" ]"
" }"
@@ -1167,5 +1196,89 @@ TEST_F(Dhcpv6SharedNetworkTest, sharedNetworkSelectedByClass) {
ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
}
// Client requests two addresses and two prefixes and obtains them from two
// different subnets.
TEST_F(Dhcpv6SharedNetworkTest, assignmentsFromDifferentSubnets) {
// Create client.
Dhcp6Client client;
client.setInterface("eth1");
client.requestAddress(0xabcd);
client.requestAddress(0x1234);
client.requestPrefix(0x1111);
client.requestPrefix(0x2222);
// Configure the server with a shared network including two subnets. Each
// subnet has an address and prefix pool with a single available address
// and prefix respectively.
ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[0], *client.getServer()));
// 4-way exchange.
ASSERT_NO_THROW(client.doSARR());
// The two addresses should come from different subnets.
ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
// Same for prefixes.
ASSERT_TRUE(client.hasLeaseForPrefixPool(IOAddress("4000::"), 96, 96));
ASSERT_TRUE(client.hasLeaseForPrefixPool(IOAddress("5000::"), 96, 96));
// Try to renew.
ASSERT_NO_THROW(client.doRenew());
ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
ASSERT_TRUE(client.hasLeaseForPrefixPool(IOAddress("4000::"), 96, 96));
ASSERT_TRUE(client.hasLeaseForPrefixPool(IOAddress("5000::"), 96, 96));
}
// Client requests 2 addresses and 2 prefixes. There is one address and one prefix
// reserved for the client.
TEST_F(Dhcpv6SharedNetworkTest, reservedAddressAndPrefix) {
// Create client.
Dhcp6Client client;
client.setInterface("eth1");
client.setDUID("00:03:00:01:11:22:33:44:55:66");
// Client will request two addresses and two prefixes.
client.requestAddress(0xabcd);
client.requestAddress(0x1234);
client.requestPrefix(0x1111);
client.requestPrefix(0x2222);
// The server configuration contains a shared network with two subnets. Each
// subnet has an address and prefix pool. One of the subnets includes a reservation
// for an address and prefix.
ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[4], *client.getServer()));
// 4-way exchange.
ASSERT_NO_THROW(client.doSARR());
ASSERT_EQ(4, client.getLeaseNum());
// The client should have got one reserved address and one reserved prefix.
ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:2::28")));
ASSERT_TRUE(client.hasLeaseForPrefix(IOAddress("1234::"), 64, IAID(0x1111)));
// The client should have got dynamically allocated address too and it must be
// different than the reserved address.
std::vector<Lease6> leases_1234 = client.getLeasesByIAID(0x1234);
ASSERT_EQ(1, leases_1234.size());
ASSERT_NE("2001:db8:2::28", leases_1234[0].addr_.toText());
// Same for prefix.
std::vector<Lease6> leases_2222 = client.getLeasesByIAID(0x2222);
ASSERT_EQ(1, leases_2222.size());
ASSERT_NE("1234::", leases_2222[0].addr_.toText());
// Try to renew and check this again.
ASSERT_NO_THROW(client.doRenew());
ASSERT_EQ(4, client.getLeaseNum());
ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:2::28")));
ASSERT_TRUE(client.hasLeaseForPrefix(IOAddress("1234::"), 64, IAID(0x1111)));
leases_1234 = client.getLeasesByIAID(0x1234);
ASSERT_EQ(1, leases_1234.size());
ASSERT_NE("2001:db8:2::28", leases_1234[0].addr_.toText());
leases_2222 = client.getLeasesByIAID(0x2222);
ASSERT_EQ(1, leases_2222.size());
ASSERT_NE("1234::", leases_2222[0].addr_.toText());
}
} // end of anonymous namespace