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bgp_attr_test.cc
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bgp_attr_test.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include <boost/assign/list_of.hpp>
#include <boost/foreach.hpp>
#include <boost/scoped_ptr.hpp>
#include <sstream>
#include "base/test/task_test_util.h"
#include "bgp/bgp_log.h"
#include "bgp/bgp_server.h"
#include "bgp/evpn/evpn_route.h"
#include "bgp/extended-community/mac_mobility.h"
#include "bgp/extended-community/router_mac.h"
#include "bgp/origin-vn/origin_vn.h"
#include "control-node/control_node.h"
#include "net/community_type.h"
#include "net/mac_address.h"
using boost::assign::list_of;
using boost::system::error_code;
using std::string;
using std::vector;
class BgpAttrTest : public ::testing::Test {
protected:
BgpAttrTest()
: server_(&evm_),
attr_db_(server_.attr_db()),
aspath_db_(server_.aspath_db()),
cluster_list_db_(server_.cluster_list_db()),
comm_db_(server_.comm_db()),
edge_discovery_db_(server_.edge_discovery_db()),
edge_forwarding_db_(server_.edge_forwarding_db()),
extcomm_db_(server_.extcomm_db()),
olist_db_(server_.olist_db()),
ovnpath_db_(server_.ovnpath_db()),
pmsi_tunnel_db_(server_.pmsi_tunnel_db()) {
}
void TearDown() {
EXPECT_EQ(0, attr_db_->Size());
EXPECT_EQ(0, aspath_db_->Size());
EXPECT_EQ(0, comm_db_->Size());
EXPECT_EQ(0, edge_discovery_db_->Size());
EXPECT_EQ(0, edge_forwarding_db_->Size());
EXPECT_EQ(0, extcomm_db_->Size());
EXPECT_EQ(0, olist_db_->Size());
EXPECT_EQ(0, ovnpath_db_->Size());
EXPECT_EQ(0, pmsi_tunnel_db_->Size());
server_.Shutdown();
task_util::WaitForIdle();
}
void AppendExtendedCommunity(ExtCommunity &comm,
const ExtCommunity::ExtCommunityList &list) {
comm.Append(list);
}
void PrependOriginVpn(OriginVnPath &path,
const OriginVnPath::OriginVnValue &value) {
path.Prepend(value);
}
EventManager evm_;
BgpServer server_;
BgpAttrDB *attr_db_;
AsPathDB *aspath_db_;
ClusterListDB *cluster_list_db_;
CommunityDB *comm_db_;
EdgeDiscoveryDB *edge_discovery_db_;
EdgeForwardingDB *edge_forwarding_db_;
ExtCommunityDB *extcomm_db_;
BgpOListDB *olist_db_;
OriginVnPathDB *ovnpath_db_;
PmsiTunnelDB *pmsi_tunnel_db_;
};
TEST_F(BgpAttrTest, UnknownCode) {
BgpAttrSpec spec;
BgpAttrOrigin origin(BgpAttrOrigin::IGP);
spec.push_back(&origin);
BgpAttribute unknown(BgpAttribute::Reserved, BgpAttribute::Optional);
spec.push_back(&unknown);
BgpAttrLocalPref local_pref(1729);
spec.push_back(&local_pref);
BgpAttrPtr attr = attr_db_->Locate(spec);
EXPECT_EQ(BgpAttrOrigin::IGP, attr->origin());
EXPECT_EQ(1729, attr->local_pref());
}
TEST_F(BgpAttrTest, Origin1) {
BgpAttrSpec spec;
BgpAttrOrigin origin(BgpAttrOrigin::IGP);
spec.push_back(&origin);
BgpAttrPtr attr = attr_db_->Locate(spec);
EXPECT_EQ(BgpAttrOrigin::IGP, attr->origin());
EXPECT_EQ("igp", attr->origin_string());
}
TEST_F(BgpAttrTest, Origin2) {
BgpAttrSpec spec;
BgpAttrOrigin origin(BgpAttrOrigin::EGP);
spec.push_back(&origin);
BgpAttrPtr attr = attr_db_->Locate(spec);
EXPECT_EQ(BgpAttrOrigin::EGP, attr->origin());
EXPECT_EQ("egp", attr->origin_string());
}
TEST_F(BgpAttrTest, Origin3) {
BgpAttrSpec spec;
BgpAttrOrigin origin(BgpAttrOrigin::INCOMPLETE);
spec.push_back(&origin);
BgpAttrPtr attr = attr_db_->Locate(spec);
EXPECT_EQ(BgpAttrOrigin::INCOMPLETE, attr->origin());
EXPECT_EQ("incomplete", attr->origin_string());
}
TEST_F(BgpAttrTest, Origin4) {
BgpAttrSpec spec;
BgpAttrOrigin origin(255);
spec.push_back(&origin);
BgpAttrPtr attr = attr_db_->Locate(spec);
EXPECT_EQ(255, attr->origin());
EXPECT_EQ("unknown", attr->origin_string());
}
TEST_F(BgpAttrTest, MultiExitDiscCompare) {
BgpAttrMultiExitDisc med1(100);
BgpAttrMultiExitDisc med2(200);
EXPECT_EQ(0, med1.CompareTo(med1));
EXPECT_EQ(-1, med1.CompareTo(med2));
EXPECT_EQ(1, med2.CompareTo(med1));
}
TEST_F(BgpAttrTest, MultiExitDiscToString) {
BgpAttrMultiExitDisc med(100);
EXPECT_EQ("MED <code: 4, flags: 80> : 100", med.ToString());
}
TEST_F(BgpAttrTest, AtomicAggregateToString) {
BgpAttrAtomicAggregate aa;
EXPECT_EQ("ATOMIC_AGGR <code: 6, flags: 40>", aa.ToString());
}
TEST_F(BgpAttrTest, AggregatorCompare1) {
BgpAttrAggregator agg1(100, 0x0101010a);
BgpAttrAggregator agg2(200, 0x0101010a);
EXPECT_EQ(-1, agg1.CompareTo(agg2));
EXPECT_EQ(1, agg2.CompareTo(agg1));
}
TEST_F(BgpAttrTest, AggregatorCompare2) {
BgpAttrAggregator agg1(100, 0x0101010a);
BgpAttrAggregator agg2(100, 0x0201010a);
EXPECT_EQ(-1, agg1.CompareTo(agg2));
EXPECT_EQ(1, agg2.CompareTo(agg1));
}
TEST_F(BgpAttrTest, AggregatorCompare3) {
BgpAttrAggregator agg1(100, 0x0101010a);
BgpAttrAggregator agg2(100, 0x0101010a);
EXPECT_EQ(0, agg1.CompareTo(agg2));
EXPECT_EQ(0, agg2.CompareTo(agg1));
}
TEST_F(BgpAttrTest, AggregatorToString) {
BgpAttrAggregator agg(100, 0x0101010a);
EXPECT_EQ("Aggregator <code: 7, flags: c0> : 100:0101010a", agg.ToString());
}
TEST_F(BgpAttrTest, AsPathLeftMost1) {
AsPathSpec spec;
EXPECT_EQ(0, spec.AsLeftMost());
}
TEST_F(BgpAttrTest, AsPathLeftMost2) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps);
ps->path_segment_type = AsPathSpec::PathSegment::AS_SET;
EXPECT_EQ(0, spec.AsLeftMost());
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
EXPECT_EQ(0, spec.AsLeftMost());
}
TEST_F(BgpAttrTest, AsPathLeftMost3) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps);
ps->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64514);
EXPECT_EQ(0, spec.AsLeftMost());
}
TEST_F(BgpAttrTest, AsPathLeftMost4) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps);
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64514);
EXPECT_EQ(64512, spec.AsLeftMost());
}
TEST_F(BgpAttrTest, AsPathLoop1) {
AsPathSpec spec;
EXPECT_FALSE(spec.AsPathLoop(64512, 0));
}
TEST_F(BgpAttrTest, AsPathLoop2) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps);
ps->path_segment_type = AsPathSpec::PathSegment::AS_SET;
EXPECT_FALSE(spec.AsPathLoop(64512, 0));
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
EXPECT_FALSE(spec.AsPathLoop(64512, 0));
}
TEST_F(BgpAttrTest, AsPathLoop3) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps);
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64514);
EXPECT_TRUE(spec.AsPathLoop(64512, 0));
EXPECT_TRUE(spec.AsPathLoop(64513, 0));
EXPECT_TRUE(spec.AsPathLoop(64514, 0));
EXPECT_FALSE(spec.AsPathLoop(64511, 0));
EXPECT_FALSE(spec.AsPathLoop(64515, 0));
EXPECT_FALSE(spec.AsPathLoop(64511, 1));
EXPECT_FALSE(spec.AsPathLoop(64512, 1));
EXPECT_FALSE(spec.AsPathLoop(64513, 1));
EXPECT_FALSE(spec.AsPathLoop(64514, 1));
EXPECT_FALSE(spec.AsPathLoop(64515, 1));
}
TEST_F(BgpAttrTest, AsPathLoop4) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps);
vector<AsPathSpec::PathSegment::PathSegmentType> segment_type_list = list_of
(AsPathSpec::PathSegment::AS_SET)
(AsPathSpec::PathSegment::AS_SEQUENCE);
BOOST_FOREACH(AsPathSpec::PathSegment::PathSegmentType segment_type,
segment_type_list) {
ps->path_segment_type = segment_type;
ps->path_segment.clear();
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64514);
ps->path_segment.push_back(64512);
EXPECT_TRUE(spec.AsPathLoop(64512, 0));
EXPECT_TRUE(spec.AsPathLoop(64512, 1));
EXPECT_TRUE(spec.AsPathLoop(64512, 2));
EXPECT_FALSE(spec.AsPathLoop(64512, 3));
ps->path_segment.clear();
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64513);
EXPECT_TRUE(spec.AsPathLoop(64512, 0));
EXPECT_TRUE(spec.AsPathLoop(64512, 1));
EXPECT_TRUE(spec.AsPathLoop(64512, 2));
EXPECT_FALSE(spec.AsPathLoop(64512, 3));
ps->path_segment.clear();
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64513);
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64512);
ps->path_segment.push_back(64512);
EXPECT_TRUE(spec.AsPathLoop(64512, 0));
EXPECT_TRUE(spec.AsPathLoop(64512, 1));
EXPECT_TRUE(spec.AsPathLoop(64512, 2));
EXPECT_FALSE(spec.AsPathLoop(64512, 3));
}
}
TEST_F(BgpAttrTest, AsPathLoop5) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps1 = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps1);
ps1->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ps1->path_segment.push_back(64511);
ps1->path_segment.push_back(64513);
ps1->path_segment.push_back(64515);
AsPathSpec::PathSegment *ps2 = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps2);
ps2->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ps2->path_segment.push_back(64512);
ps2->path_segment.push_back(64512);
ps2->path_segment.push_back(64512);
EXPECT_TRUE(spec.AsPathLoop(64512, 0));
EXPECT_TRUE(spec.AsPathLoop(64512, 1));
EXPECT_TRUE(spec.AsPathLoop(64512, 2));
EXPECT_FALSE(spec.AsPathLoop(64512, 3));
}
TEST_F(BgpAttrTest, AsPathCompare_Sequence) {
AsPathSpec spec1;
AsPathSpec::PathSegment *ps1 = new AsPathSpec::PathSegment;
ps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
for (int idx = 1; idx < 5; idx++)
ps1->path_segment.push_back(100 * idx);
spec1.path_segments.push_back(ps1);
AsPath path1(aspath_db_, spec1);
AsPathSpec spec2;
AsPathSpec::PathSegment *ps2 = new AsPathSpec::PathSegment;
ps2->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
for (int idx = 4; idx >= 1; idx--)
ps2->path_segment.push_back(100 * idx);
spec2.path_segments.push_back(ps2);
AsPath path2(aspath_db_, spec2);
EXPECT_NE(0, path1.CompareTo(path2));
}
TEST_F(BgpAttrTest, AsPathCompare_Set) {
AsPathSpec spec1;
AsPathSpec::PathSegment *ps1 = new AsPathSpec::PathSegment;
ps1->path_segment_type = AsPathSpec::PathSegment::AS_SET;
for (int idx = 1; idx < 5; idx++)
ps1->path_segment.push_back(100 * idx);
spec1.path_segments.push_back(ps1);
AsPath path1(aspath_db_, spec1);
AsPathSpec spec2;
AsPathSpec::PathSegment *ps2 = new AsPathSpec::PathSegment;
ps2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
for (int idx = 4; idx >= 1; idx--)
ps2->path_segment.push_back(100 * idx);
spec2.path_segments.push_back(ps2);
AsPath path2(aspath_db_, spec2);
EXPECT_EQ(0, path1.CompareTo(path2));
}
TEST_F(BgpAttrTest, AsPathAdd) {
AsPathSpec path;
// Add to an empty path
AsPathSpec *p2 = path.Add(1000);
EXPECT_EQ(1, p2->path_segments.size());
EXPECT_EQ(1, p2->path_segments[0]->path_segment.size());
EXPECT_EQ(1000, p2->path_segments[0]->path_segment[0]);
delete p2;
// populate the path with some entries
for (int i = 0; i < 10; i++) {
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
for (int j = 0; j < 10; j++) {
ps->path_segment.push_back((i << 4) + j);
}
path.path_segments.push_back(ps);
}
p2 = path.Add(1000);
EXPECT_EQ(10, p2->path_segments.size());
EXPECT_EQ(11, p2->path_segments[0]->path_segment.size());
EXPECT_EQ(1000, p2->path_segments[0]->path_segment[0]);
delete p2;
path.path_segments[0]->path_segment_type = AsPathSpec::PathSegment::AS_SET;
p2 = path.Add(1000);
EXPECT_EQ(11, p2->path_segments.size());
EXPECT_EQ(1, p2->path_segments[0]->path_segment.size());
EXPECT_EQ(1000, p2->path_segments[0]->path_segment[0]);
delete p2;
path.path_segments[0]->path_segment_type =
AsPathSpec::PathSegment::AS_SEQUENCE;
for (int j = 11; j < 256; j++) {
path.path_segments[0]->path_segment.push_back(j);
}
p2 = path.Add(1000);
EXPECT_EQ(11, p2->path_segments.size());
EXPECT_EQ(1, p2->path_segments[0]->path_segment.size());
EXPECT_EQ(1000, p2->path_segments[0]->path_segment[0]);
delete p2;
}
TEST_F(BgpAttrTest, AsPathReplace) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps1 = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps1);
ps1->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ps1->path_segment.push_back(64511);
ps1->path_segment.push_back(64513);
ps1->path_segment.push_back(64515);
AsPathSpec::PathSegment *ps2 = new AsPathSpec::PathSegment;
spec.path_segments.push_back(ps2);
ps2->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ps2->path_segment.push_back(64512);
ps2->path_segment.push_back(64513);
ps2->path_segment.push_back(64514);
boost::scoped_ptr<AsPathSpec> new_spec1(spec.Replace(64513, 65000));
EXPECT_FALSE(new_spec1->AsPathLoop(64513, 0));
EXPECT_TRUE(new_spec1->AsPathLoop(65000, 1));
EXPECT_FALSE(new_spec1->AsPathLoop(65000, 2));
boost::scoped_ptr<AsPathSpec> new_spec2(new_spec1->Replace(65000, 64513));
EXPECT_FALSE(new_spec2->AsPathLoop(65000, 0));
EXPECT_TRUE(new_spec2->AsPathLoop(64513, 1));
EXPECT_FALSE(new_spec2->AsPathLoop(64513, 2));
EXPECT_EQ(0, spec.CompareTo(*new_spec2));
}
//
// Leftmost AS is private.
// Peer AS is 0 i.e. not specified.
// Test combinations of (bool all, as_t asn).
//
TEST_F(BgpAttrTest, AsPathRemovePrivate1) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(64513);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
ops1->path_segment.push_back(200);
ops1->path_segment.push_back(65535);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
bool all;
as_t asn, peer_asn;
// All private ASes till first public AS are removed since all is false.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(65535);
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 0; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes are removed since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
all = true; asn = 0; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes are replaced since all is true.
// Last encountered public as is used as as replacement value.
eps1->path_segment.clear();
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(200);
all = true; asn = 300; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Leftmost AS is non-private.
// Peer AS is 0 i.e. not specified.
// Test combinations of (bool all, as_t asn).
//
TEST_F(BgpAttrTest, AsPathRemovePrivate2) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(65000);
ops1->path_segment.push_back(200);
ops1->path_segment.push_back(65535);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
bool all;
as_t asn, peer_asn;
// Nothing is modified since leftmost AS is non-private and all is false.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(64512);
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(65535);
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 0; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes are removed since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
all = true; asn = 0; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes are replaced since all is true.
// Last encountered public as is used as as replacement value.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(200);
all = true; asn = 300; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Leftmost AS is private.
// Peer AS is same as leftmost AS.
// Test combinations of (bool all, as_t asn).
//
TEST_F(BgpAttrTest, AsPathRemovePrivate3) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
ops1->path_segment.push_back(200);
ops1->path_segment.push_back(65535);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
bool all;
as_t asn, peer_asn;
// Nothing is modified since leftmost AS is peer AS and all is false.
eps1->path_segment.clear();
eps1->path_segment.push_back(64512);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(65535);
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 0; peer_asn = 64512;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes except peer AS are removed since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(64512);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
all = true; asn = 0; peer_asn = 64512;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes except peer AS are replaced since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(64512);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(200);
all = true; asn = 300; peer_asn = 64512;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Leftmost AS is private.
// Peer AS is same as 3rd leftmost private AS.
// Test combinations of (bool all, as_t asn).
//
TEST_F(BgpAttrTest, AsPathRemovePrivate4) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(64513);
ops1->path_segment.push_back(65000);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(200);
ops1->path_segment.push_back(65535);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
bool all;
as_t asn, peer_asn;
// All private ASes till peer AS are removed since all is false.
eps1->path_segment.clear();
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(65535);
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 0; peer_asn = 65000;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes except peer AS are removed since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
all = true; asn = 0; peer_asn = 65000;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes except peer AS are replaced since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(200);
all = true; asn = 300; peer_asn = 65000;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Leftmost AS is private.
// Peer AS is a non-private AS.
// Test combinations of (bool all, as_t asn).
//
TEST_F(BgpAttrTest, AsPathRemovePrivate5) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(64513);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
ops1->path_segment.push_back(200);
ops1->path_segment.push_back(65535);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
bool all;
as_t asn, peer_asn;
// All private ASes till peer AS are removed since all is false.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(65000);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(65535);
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 0; peer_asn = 100;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes are removed since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
all = true; asn = 0; peer_asn = 100;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
// All private ASes are replaced since all is true.
eps1->path_segment.clear();
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(200);
eps1->path_segment.push_back(200);
all = true; asn = 300; peer_asn = 100;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Original spec has multiple segments.
// A segment will only private ASes is removed since all is true and private
// ASes are being removed, not replaced.
//
TEST_F(BgpAttrTest, AsPathRemovePrivate6) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
AsPathSpec::PathSegment *ops2 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops2);
ops2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ops2->path_segment.push_back(64513);
ops2->path_segment.push_back(64514);
AsPathSpec::PathSegment *ops3 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops3);
ops3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops3->path_segment.push_back(500);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps1->path_segment.push_back(100);
AsPathSpec::PathSegment *eps2 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps2);
eps2->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps2->path_segment.push_back(500);
bool all;
as_t asn, peer_asn;
boost::scoped_ptr<AsPathSpec> result;
all = true; asn = 0; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Original spec has multiple segments.
// A segment will only private ASes is not removed though all is true since
// private ASes are being replaced, not removed.
//
TEST_F(BgpAttrTest, AsPathRemovePrivate7) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
AsPathSpec::PathSegment *ops2 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops2);
ops2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ops2->path_segment.push_back(64513);
ops2->path_segment.push_back(64514);
AsPathSpec::PathSegment *ops3 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops3);
ops3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops3->path_segment.push_back(500);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(100);
AsPathSpec::PathSegment *eps2 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps2);
eps2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
eps2->path_segment.push_back(100);
eps2->path_segment.push_back(100);
AsPathSpec::PathSegment *eps3 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps3);
eps3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps3->path_segment.push_back(500);
bool all;
as_t asn, peer_asn;
boost::scoped_ptr<AsPathSpec> result;
all = true; asn = 300; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Original spec has multiple segments.
// ASes are being removed, not replaced.
// After the first segment is modified, remaining segments should be copied
// over unchanged since all is not true.
//
TEST_F(BgpAttrTest, AsPathRemovePrivate8) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(64513);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
AsPathSpec::PathSegment *ops2 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops2);
ops2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ops2->path_segment.push_back(64514);
ops2->path_segment.push_back(64515);
AsPathSpec::PathSegment *ops3 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops3);
ops3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops3->path_segment.push_back(500);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(65000);
AsPathSpec::PathSegment *eps2 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps2);
eps2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
eps2->path_segment.push_back(64514);
eps2->path_segment.push_back(64515);
AsPathSpec::PathSegment *eps3 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps3);
eps3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps3->path_segment.push_back(500);
bool all;
as_t asn, peer_asn;
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 0; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// Original spec has multiple segments.
// ASes are being replaced, not removed.
// After the first segment is modified, remaining segments should be copied
// over unchanged since all is not true.
//
TEST_F(BgpAttrTest, AsPathRemovePrivate9) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(64513);
ops1->path_segment.push_back(100);
ops1->path_segment.push_back(65000);
AsPathSpec::PathSegment *ops2 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops2);
ops2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
ops2->path_segment.push_back(64514);
ops2->path_segment.push_back(64515);
AsPathSpec::PathSegment *ops3 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops3);
ops3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops3->path_segment.push_back(500);
AsPathSpec expected;
AsPathSpec::PathSegment *eps1 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps1);
eps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(300);
eps1->path_segment.push_back(100);
eps1->path_segment.push_back(65000);
AsPathSpec::PathSegment *eps2 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps2);
eps2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
eps2->path_segment.push_back(64514);
eps2->path_segment.push_back(64515);
AsPathSpec::PathSegment *eps3 = new AsPathSpec::PathSegment;
expected.path_segments.push_back(eps3);
eps3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
eps3->path_segment.push_back(500);
bool all;
as_t asn, peer_asn;
boost::scoped_ptr<AsPathSpec> result;
all = false; asn = 300; peer_asn = 0;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
//
// All ASes are private.
// All is true, AS and Peer AS are both 0 i.e. not specified.
// Verify that we get an empty AsPath.
//
TEST_F(BgpAttrTest, AsPathRemovePrivate10) {
AsPathSpec original;
AsPathSpec::PathSegment *ops1 = new AsPathSpec::PathSegment;
original.path_segments.push_back(ops1);
ops1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ops1->path_segment.push_back(64512);
ops1->path_segment.push_back(65000);
ops1->path_segment.push_back(65535);
AsPathSpec expected;
bool all;
as_t asn, peer_asn;
all = true; asn = 0; peer_asn = 0;
boost::scoped_ptr<AsPathSpec> result;
result.reset(original.RemovePrivate(all, asn, peer_asn));
EXPECT_EQ(0, result->CompareTo(expected));
}
TEST_F(BgpAttrTest, AsPathFormat1) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
for (int idx = 1; idx < 5; idx++)
ps->path_segment.push_back(100 * idx);
spec.path_segments.push_back(ps);
AsPath path(aspath_db_, spec);
EXPECT_EQ("100 200 300 400", path.path().ToString());
}
TEST_F(BgpAttrTest, AsPathFormat2) {
AsPathSpec spec;
AsPathSpec::PathSegment *ps1 = new AsPathSpec::PathSegment;
ps1->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
for (int idx = 1; idx < 3; idx++)
ps1->path_segment.push_back(100 * idx);
spec.path_segments.push_back(ps1);
AsPathSpec::PathSegment *ps2 = new AsPathSpec::PathSegment;
ps2->path_segment_type = AsPathSpec::PathSegment::AS_SET;
for (int idx = 4; idx >= 3; idx--)
ps2->path_segment.push_back(100 * idx);
spec.path_segments.push_back(ps2);
AsPathSpec::PathSegment *ps3 = new AsPathSpec::PathSegment;
ps3->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
for (int idx = 6; idx >= 5; idx--)
ps3->path_segment.push_back(100 * idx);
spec.path_segments.push_back(ps3);
AsPath path(aspath_db_, spec);
EXPECT_EQ("100 200 {300 400} 600 500", path.path().ToString());
}
TEST_F(BgpAttrTest, ClusterList) {
BgpAttrSpec attr_spec;
ClusterListSpec spec;
for (int idx = 1; idx < 5; idx++)
spec.cluster_list.push_back(100 * idx);
attr_spec.push_back(&spec);
BgpAttrPtr attr_ptr = attr_db_->Locate(attr_spec);
EXPECT_EQ(4, attr_ptr->cluster_list_length());
BgpAttr attr(*attr_ptr);
EXPECT_EQ(attr_ptr->cluster_list(), attr.cluster_list());
}
TEST_F(BgpAttrTest, ClusterListCompare1) {
ClusterListSpec spec1;
for (int idx = 1; idx < 5; idx++)
spec1.cluster_list.push_back(100 * idx);
ClusterList clist1(cluster_list_db_, spec1);
EXPECT_EQ(4, clist1.size());
ClusterListSpec spec2;
for (int idx = 4; idx >= 1; idx--)
spec2.cluster_list.push_back(100 * idx);
ClusterList clist2(cluster_list_db_, spec2);
EXPECT_EQ(4, clist2.size());
EXPECT_EQ(-1, clist1.CompareTo(clist2));
EXPECT_EQ(1, clist2.CompareTo(clist1));
}
TEST_F(BgpAttrTest, ClusterListCompare2) {
ClusterListSpec spec1;
for (int idx = 1; idx < 3; idx++)
spec1.cluster_list.push_back(100 * idx);
ClusterList clist1(cluster_list_db_, spec1);