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test_fip_dst_ecmp.cc
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test_fip_dst_ecmp.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/os.h"
#include "test/test_cmn_util.h"
#include "test_pkt_util.h"
#include "pkt/flow_proto.h"
#define AGE_TIME 10*1000
#define VN2 "default-project:vn2"
#define VRF2 "default-project:vn2:vn2"
void RouterIdDepInit(Agent *agent) {
}
struct PortInfo input1[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
};
class FipEcmpTest : public ::testing::Test {
virtual void SetUp() {
agent_ = Agent::GetInstance();
boost::system::error_code ec;
bgp_peer = CreateBgpPeer(Ip4Address::from_string("0.0.0.1", ec),
"xmpp channel");
client->WaitForIdle();
CreateVmportWithEcmp(input1, 1);
AddVn(VN2, 2);
AddVrf(VRF2);
AddLink("virtual-network", VN2, "routing-instance",
VRF2);
client->WaitForIdle();
//Attach floating-ip
//Add floating IP for vnet1
AddFloatingIpPool("fip-pool1", 1);
AddFloatingIp("fip1", 1, "2.1.1.1");
AddLink("floating-ip", "fip1", "floating-ip-pool", "fip-pool1");
AddLink("floating-ip-pool", "fip-pool1", "virtual-network",
VN2);
client->WaitForIdle();
AddLink("virtual-machine-interface", "vnet1", "floating-ip", "fip1");
client->WaitForIdle();
strcpy(router_id, agent_->router_id().to_string().c_str());
strcpy(MX_0, "100.1.1.1");
strcpy(MX_1, "100.1.1.2");
strcpy(MX_2, "100.1.1.3");
strcpy(MX_3, "100.1.1.4");
const VmInterface *vmi = static_cast<const VmInterface *>(VmPortGet(1));
vm1_label = vmi->label();
eth_intf_id = EthInterfaceGet("vnet0")->id();
}
virtual void TearDown() {
DelLink("virtual-network", VN2, "routing-instance",
VRF2);
DelLink("floating-ip", "fip1", "floating-ip-pool", "fip-pool1");
DelLink("floating-ip-pool", "fip-pool1",
"virtual-network", VN2);
DelLink("virtual-machine-interface", "vnet1", "floating-ip", "fip1");
DelFloatingIp("fip1");
DelFloatingIpPool("fip-pool1");
client->WaitForIdle();
DeleteVmportEnv(input1, 1, true);
DelVn(VN2);
DelVrf(VRF2);
client->WaitForIdle();
DeleteBgpPeer(bgp_peer);
client->WaitForIdle();
EXPECT_FALSE(VrfFind("vrf1", true));
EXPECT_FALSE(VrfFind("vrf2", true));
WAIT_FOR(1000, 1000, (agent_->pkt()->flow_table()->Size() == 0));
client->WaitForIdle();
}
public:
void AddRemoteEcmpRoute(const string vrf_name, const string ip,
uint32_t plen, const string vn, int count, bool reverse = false,
bool same_label = false) {
//If there is a local route, include that always
Ip4Address vm_ip = Ip4Address::from_string(ip);
ComponentNHKeyList comp_nh_list;
int remote_server_ip = 0x64010101;
int label = 16;
SecurityGroupList sg_id_list;
for(int i = 0; i < count; i++) {
ComponentNHKeyPtr comp_nh(new ComponentNHKey(
label, Agent::GetInstance()->fabric_vrf_name(),
Agent::GetInstance()->router_id(),
Ip4Address(remote_server_ip++),
false, TunnelType::AllType()));
comp_nh_list.push_back(comp_nh);
if (!same_label) {
label++;
}
}
if (reverse) {
std::reverse(comp_nh_list.begin(), comp_nh_list.end());
}
EcmpTunnelRouteAdd(bgp_peer, vrf_name, vm_ip, plen,
comp_nh_list, -1, vn, sg_id_list,
PathPreference());
}
Agent *agent_;
Peer *bgp_peer;
AgentXmppChannel *channel;
char router_id[80];
char MX_0[80];
char MX_1[80];
char MX_2[80];
char MX_3[80];
int vm1_label;
int eth_intf_id;
};
//Packet from VM to destination ECMP
TEST_F(FipEcmpTest, Test_1) {
AddRemoteEcmpRoute(VRF2, "0.0.0.0", 0, VN2, 4);
TxIpPacket(VmPortGetId(1), "1.1.1.1", "8.8.8.8", 1);
client->WaitForIdle();
FlowEntry *entry = FlowGet(VrfGet("vrf1")->vrf_id(),
"1.1.1.1", "8.8.8.8", 1, 0, 0,
GetFlowKeyNH(1));
AgentRoute *rt = RouteGet(VRF2, Ip4Address::from_string("2.1.1.1"), 32);
EXPECT_TRUE(entry != NULL);
EXPECT_TRUE(entry->data().component_nh_idx !=
CompositeNH::kInvalidComponentNHIdx);
EXPECT_TRUE(entry->data().nh_state_->nh() == rt->GetActiveNextHop());
rt = RouteGet(VRF2, Ip4Address::from_string("0.0.0.0"), 0);
//Reverse flow is no ECMP
FlowEntry *rev_entry = entry->reverse_flow_entry();
EXPECT_TRUE(rev_entry->data().component_nh_idx ==
CompositeNH::kInvalidComponentNHIdx);
EXPECT_TRUE(rev_entry->data().nh_state_->nh() == rt->GetActiveNextHop());
DeleteRoute(VRF2, "0.0.0.0", 0, bgp_peer);
client->WaitForIdle();
WAIT_FOR(1000, 1000, (0U == agent_->pkt()->flow_table()->Size()));
}
//Packet from external ECMP source to fip
TEST_F(FipEcmpTest, Test_2) {
AddRemoteEcmpRoute(VRF2, "0.0.0.0", 0, VN2, 4);
TxIpMplsPacket(eth_intf_id, MX_2, router_id, vm1_label,
"8.8.8.8", "2.1.1.1", 1, 10);
client->WaitForIdle();
AgentRoute *rt = RouteGet("vrf1", Ip4Address::from_string("1.1.1.1"), 32);
FlowEntry *entry = FlowGet(VrfGet("vrf1")->vrf_id(),
"1.1.1.1", "8.8.8.8", 1, 0, 0, GetFlowKeyNH(1));
EXPECT_TRUE(entry != NULL);
EXPECT_TRUE(entry->data().component_nh_idx == 2);
EXPECT_TRUE(entry->data().nh_state_->nh() == rt->GetActiveNextHop());
rt = RouteGet(VRF2, Ip4Address::from_string("0.0.0.0"), 0);
FlowEntry *rev_entry = entry->reverse_flow_entry();
EXPECT_TRUE(rev_entry->data().component_nh_idx ==
CompositeNH::kInvalidComponentNHIdx);
EXPECT_TRUE(rev_entry->data().nh_state_->nh() == rt->GetActiveNextHop());
DeleteRoute(VRF2, "0.0.0.0", 0, bgp_peer);
client->WaitForIdle();
WAIT_FOR(1000, 1000, (0U == agent_->pkt()->flow_table()->Size()));
}
int main(int argc, char *argv[]) {
GETUSERARGS();
client = TestInit(init_file, ksync_init, true, true, true, 100*1000);
int ret = RUN_ALL_TESTS();
client->WaitForIdle();
TestShutdown();
delete client;
return ret;
}