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bgp_xmpp_deferq_test.cc
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bgp_xmpp_deferq_test.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include <unistd.h>
#include <fstream>
#include <sstream>
#include <boost/algorithm/string.hpp>
#include <boost/assign/list_of.hpp>
#include "sandesh/sandesh_types.h"
#include "sandesh/sandesh.h"
using namespace boost::assign;
#include <pugixml/pugixml.hpp>
#include "base/task_annotations.h"
#include "base/util.h"
#include "base/test/task_test_util.h"
#include "bgp/bgp_attr.h"
#include "bgp/bgp_factory.h"
#include "bgp/bgp_config.h"
#include "bgp/bgp_config_parser.h"
#include "bgp/bgp_path.h"
#include "bgp/bgp_peer_internal_types.h"
#include "bgp/bgp_peer_membership.h"
#include "bgp/bgp_peer_types.h"
#include "bgp/bgp_proto.h"
#include "bgp/bgp_sandesh.h"
#include "bgp/bgp_server.h"
#include "bgp/bgp_session_manager.h"
#include "bgp/bgp_xmpp_channel.h"
#include "bgp/inet/inet_table.h"
#include "bgp/routing-instance/routing_instance.h"
#include "bgp/test/bgp_server_test_util.h"
#include "bgp/xmpp_message_builder.h"
#include "io/test/event_manager_test.h"
#include "control-node/control_node.h"
#include "control-node/test/network_agent_mock.h"
#include "schema/xmpp_unicast_types.h"
#include "xmpp/xmpp_client.h"
#include "xmpp/xmpp_init.h"
#include "xmpp/xmpp_server.h"
#include "xmpp/xmpp_state_machine.h"
#include "xml/xml_pugi.h"
#include "testing/gunit.h"
using namespace boost::asio;
using namespace std;
#define SUB_ADDR "agent@vnsw.contrailsystems.com"
class BgpXmppChannelMock : public BgpXmppChannel {
public:
BgpXmppChannelMock(XmppChannel *channel, BgpServer *server,
BgpXmppChannelManager *manager) :
BgpXmppChannel(channel, server, manager), count_(0) {
bgp_policy_ = RibExportPolicy(BgpProto::XMPP,
RibExportPolicy::XMPP, -1, 0);
}
virtual void ReceiveUpdate(const XmppStanza::XmppMessage *msg) {
count_ ++;
BgpXmppChannel::ReceiveUpdate(msg);
}
size_t Count() const { return count_; }
void ResetCount() { count_ = 0; }
virtual ~BgpXmppChannelMock() { }
private:
size_t count_;
};
class BgpXmppChannelManagerMock : public BgpXmppChannelManager {
public:
BgpXmppChannelManagerMock(XmppServer *x, BgpServer *b) :
BgpXmppChannelManager(x, b), count(0), channel_(NULL) { }
virtual void XmppHandleChannelEvent(XmppChannel *channel,
xmps::PeerState state) {
count++;
LOG(DEBUG, "XmppHandleChannelEvent: " << state << " count: " << count);
BgpXmppChannelManager::XmppHandleChannelEvent(channel, state);
}
virtual BgpXmppChannel *CreateChannel(XmppChannel *channel) {
channel_ = new BgpXmppChannelMock(channel, bgp_server_, this);
return channel_;
}
int Count() {
return count;
}
int count;
BgpXmppChannelMock *channel_;
};
static const char *config_template_with_instances = "\
<config>\
<bgp-router name=\'A\'>\
<identifier>192.168.0.1</identifier>\
<address>127.0.0.1</address>\
<port>%d</port>\
</bgp-router>\
<routing-instance name='blue'>\
<vrf-target>target:1:1</vrf-target>\
</routing-instance>\
<routing-instance name='red'>\
<vrf-target>target:1:1</vrf-target>\
</routing-instance>\
</config>\
";
static const char *config_template_without_instances = "\
<config>\
<bgp-router name=\'A\'>\
<identifier>192.168.0.1</identifier>\
<address>127.0.0.1</address>\
<port>%d</port>\
</bgp-router>\
</config>\
";
class BgpXmppUnitTest : public ::testing::Test {
public:
bool PeerRegistered(BgpXmppChannel *channel, std::string instance_name,
int instance_id) {
RoutingInstanceMgr *instance_mgr = a_->routing_instance_mgr();
RoutingInstance *rt_instance =
instance_mgr->GetRoutingInstance(instance_name);
if (rt_instance == NULL)
return false;
BgpTable *table = rt_instance->GetTable(Address::INET);
if (table == NULL)
return false;
IPeerRib *rib = a_->membership_mgr()->IPeerRibFind(channel->Peer(), table);
if (rib) {
if (rib->instance_id() == instance_id) return true;
}
return false;
}
bool PeerNotRegistered(BgpXmppChannel *channel, std::string instance_name) {
RoutingInstanceMgr *instance_mgr = a_->routing_instance_mgr();
RoutingInstance *rt_instance =
instance_mgr->GetRoutingInstance(instance_name);
if (rt_instance == NULL)
return true;
BgpTable *table = rt_instance->GetTable(Address::INET);
if (table == NULL)
return true;
IPeerRib *rib = a_->membership_mgr()->IPeerRibFind(channel->Peer(), table);
if (rib) {
return false;
}
return true;
}
bool PeerHasPendingInstanceMembershipRequests(BgpXmppChannel *channel) {
return (!channel->vrf_membership_request_map_.empty());
}
bool PeerHasPendingMembershipRequests(BgpXmppChannel *channel) {
return (channel->routingtable_membership_request_map_.size() != 0);
}
bool PeerCloseIsDeferred(BgpXmppChannel *channel) {
return channel->defer_peer_close_;
}
size_t PeerDeferQSize(BgpXmppChannel *channel) {
return channel->defer_q_.size();
}
void PausePeerRibMembershipManager() {
a_->membership_mgr()->event_queue_->set_disable(true);
}
void ResumePeerRibMembershipManager() {
a_->membership_mgr()->event_queue_->set_disable(false);
}
void PauseBgpXmppChannelManager() {
bgp_channel_manager_->queue_.set_disable(true);
}
void ResumeBgpXmppChannelManager() {
bgp_channel_manager_->queue_.set_disable(false);
}
int PeerInstanceSubscribe(BgpXmppChannel *channel) {
return channel->channel_stats_.instance_subscribe;
}
int PeerInstanceUnsubscribe(BgpXmppChannel *channel) {
return channel->channel_stats_.instance_unsubscribe;
}
int PeerTableSubscribeComplete(BgpXmppChannel *channel) {
return channel->channel_stats_.table_subscribe_complete;
}
int PeerTableUnsubscribeComplete(BgpXmppChannel *channel) {
return channel->channel_stats_.table_unsubscribe_complete;
}
protected:
BgpXmppUnitTest() : thread_(&evm_), xs_a_(NULL) { }
string FileRead(const string &filename) {
ifstream file(filename.c_str());
string content((istreambuf_iterator<char>(file)),
istreambuf_iterator<char>());
return content;
}
virtual void SetUp() {
a_.reset(new BgpServerTest(&evm_, "A"));
xs_a_ = new XmppServer(&evm_, test::XmppDocumentMock::kControlNodeJID);
a_->session_manager()->Initialize(0);
BGP_DEBUG_UT("Created server at port: " <<
a_->session_manager()->GetPort());
xs_a_->Initialize(0, false);
bgp_channel_manager_.reset(
new BgpXmppChannelManagerMock(xs_a_, a_.get()));
thread_.Start();
}
virtual void TearDown() {
task_util::WaitForIdle();
ConcurrencyScope scope("bgp::Config");
TASK_UTIL_EXPECT_TRUE(a_->IsReadyForDeletion());
task_util::WaitForIdle();
agent_a_->SessionDown();
task_util::WaitForIdle();
xs_a_->Shutdown();
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(0, xs_a_->ConnectionCount());
agent_a_->Delete();
bgp_channel_manager_.reset();
task_util::WaitForIdle();
TcpServerManager::DeleteServer(xs_a_);
task_util::WaitForIdle();
a_->Shutdown();
task_util::WaitForIdle();
evm_.Shutdown();
thread_.Join();
task_util::WaitForIdle();
}
void Configure() {
char config[4096];
snprintf(config, sizeof(config), config_template_with_instances,
a_->session_manager()->GetPort());
a_->Configure(config);
}
void ConfigureWithoutRoutingInstances() {
char config[4096];
snprintf(config, sizeof(config), config_template_without_instances,
a_->session_manager()->GetPort());
a_->Configure(config);
}
void UnconfigureRoutingInstances() {
const char *config = "\
<delete>\
<routing-instance name='blue'>\
<vrf-target>target:1:1</vrf-target>\
</routing-instance>\
<routing-instance name='red'>\
<vrf-target>target:1:1</vrf-target>\
</routing-instance>\
</delete>\
";
a_->Configure(config);
}
XmppChannelConfig *CreateXmppChannelCfg(const char *address, int port,
const string &from,
const string &to,
bool isClient) {
XmppChannelConfig *cfg = new XmppChannelConfig(isClient);
boost::system::error_code ec;
cfg->endpoint.address(ip::address::from_string(address, ec));
cfg->endpoint.port(port);
cfg->ToAddr = to;
cfg->FromAddr = from;
if (!isClient) cfg->NodeAddr = test::XmppDocumentMock::kControlNodeJID;
return cfg;
}
RoutingInstance *VerifyRoutingInstance(const string &instance) {
TASK_UTIL_EXPECT_TRUE(
a_->routing_instance_mgr()->GetRoutingInstance(instance) != NULL);
return a_->routing_instance_mgr()->GetRoutingInstance(instance);
}
void VerifyNoRoutingInstance(const string &instance) {
TASK_UTIL_EXPECT_TRUE(
a_->routing_instance_mgr()->GetRoutingInstance(instance) == NULL);
}
BgpTable *VerifyBgpTable(const string &instance, Address::Family family) {
RoutingInstance *rt_instance = VerifyRoutingInstance(instance);
TASK_UTIL_EXPECT_TRUE(rt_instance->GetTable(family) != NULL);
return rt_instance->GetTable(family);
}
static void ValidateShowRouteResponse(Sandesh *sandesh, vector<int> &result) {
ShowRouteResp *resp = dynamic_cast<ShowRouteResp *>(sandesh);
EXPECT_NE((ShowRouteResp *)NULL, resp);
EXPECT_EQ(result.size(), resp->get_tables().size());
cout << "*******************************************************"<<endl;
for (size_t i = 0; i < resp->get_tables().size(); i++) {
EXPECT_EQ(result[i], resp->get_tables()[i].routes.size());
cout << resp->get_tables()[i].routing_instance << " "
<< resp->get_tables()[i].routing_table_name << endl;
for (size_t j = 0; j < resp->get_tables()[i].routes.size(); j++) {
cout << resp->get_tables()[i].routes[j].prefix << " "
<< resp->get_tables()[i].routes[j].paths.size() << endl;
}
}
cout << "*******************************************************"<<endl;
validate_done_ = 1;
}
EventManager evm_;
ServerThread thread_;
auto_ptr<BgpServerTest> a_;
XmppServer *xs_a_;
boost::scoped_ptr<test::NetworkAgentMock> agent_a_;
boost::scoped_ptr<BgpXmppChannelManagerMock> bgp_channel_manager_;
static int validate_done_;
};
static void PauseDelete(LifetimeActor *actor) {
TaskScheduler::GetInstance()->Stop();
actor->PauseDelete();
TaskScheduler::GetInstance()->Start();
}
static void ResumeDelete(LifetimeActor *actor) {
TaskScheduler::GetInstance()->Stop();
actor->ResumeDelete();
TaskScheduler::GetInstance()->Start();
}
class BgpXmppSerializeMembershipReqTest : public BgpXmppUnitTest {
virtual void SetUp() {
a_.reset(new BgpServerTest(&evm_, "A"));
xs_a_ = new XmppServer(&evm_, test::XmppDocumentMock::kControlNodeJID);
a_->session_manager()->Initialize(0);
BGP_DEBUG_UT("Created server at port: " <<
a_->session_manager()->GetPort());
xs_a_->Initialize(0, false);
bgp_channel_manager_.reset(new BgpXmppChannelManagerMock(xs_a_,
a_.get()));
thread_.Start();
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(new test::NetworkAgentMock(&evm_,
SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
}
virtual void TearDown() {
ConcurrencyScope scope("bgp::Config");
TASK_UTIL_EXPECT_TRUE(a_->IsReadyForDeletion());
task_util::WaitForIdle();
agent_a_->SessionDown();
task_util::WaitForIdle();
xs_a_->Shutdown();
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(0, xs_a_->ConnectionCount());
agent_a_->Delete();
bgp_channel_manager_.reset();
task_util::WaitForIdle();
TcpServerManager::DeleteServer(xs_a_);
task_util::WaitForIdle();
a_->Shutdown();
task_util::WaitForIdle();
evm_.Shutdown();
thread_.Join();
task_util::WaitForIdle();
}
};
static bool DummyWalkFunction(DBTablePartBase *root, DBEntryBase *entry) {
return true;
}
static void DummyWalkDoneFunction(DBTableBase *table) {
}
int BgpXmppUnitTest::validate_done_;
namespace {
TEST_F(BgpXmppUnitTest, TableDeleteWithPendingWalk) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
// Pause deletion for blue inet table.
BgpTable *blue_table = VerifyBgpTable("blue", Address::INET);
PauseDelete(blue_table->deleter());
// Unconfigure all instances.
// The blue instance and blue inet table should exist in deleted state.
UnconfigureRoutingInstances();
task_util::WaitForIdle();
RoutingInstance *blue = VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(blue->deleted());
TASK_UTIL_EXPECT_TRUE(blue_table->IsDeleted());
// Stop the scheduler and resume delete of the table.
// This should create the bgp::Config Task to process lifetime manager
// work queue.
TaskScheduler::GetInstance()->Stop();
blue_table->deleter()->ResumeDelete();
// Start a bunch of table walks.
DBTableWalker *walker = a_->database()->GetWalker();
for (int idx = 0; idx < 128; ++idx) {
walker->WalkTable(
blue_table, NULL, DummyWalkFunction, DummyWalkDoneFunction);
}
// Start the scheduler.
// Table should get deleted only after all the walks are done.
TaskScheduler::GetInstance()->Start();
// The blue instance should have been destroyed.
VerifyNoRoutingInstance("blue");
}
TEST_F(BgpXmppUnitTest, Connection) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
// Wait upto 5 seconds
BGP_DEBUG_UT("-- Executing --");
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
agent_a_->Subscribe(BgpConfigManager::kMasterInstance, -1);
agent_a_->Subscribe("blue", 1);
agent_a_->Subscribe("red", 2);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 2);
//show route
BgpSandeshContext sandesh_context;
sandesh_context.bgp_server = a_.get();
sandesh_context.xmpp_peer_manager = bgp_channel_manager_.get();
Sandesh::set_client_context(&sandesh_context);
std::vector<int> result2 = list_of(1)(1)(1)(1);
Sandesh::set_response_callback(boost::bind(ValidateShowRouteResponse, _1,
result2));
ShowRouteReq *show_req = new ShowRouteReq;
validate_done_ = 0;
show_req->HandleRequest();
show_req->Release();
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(1, validate_done_);
//trigger a TCP close event on the server
agent_a_->SessionDown();
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->Count());
//wait for channel to be deleted in the context of config-task
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, ConnectionTearWithPendingReg) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
agent_a_->Subscribe(BgpConfigManager::kMasterInstance, -1);
//trigger a TCP close event on the server with two subscribe request
agent_a_->Subscribe("red", 2);
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, ConnectionTearWithPendingUnreg) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
agent_a_->Subscribe(BgpConfigManager::kMasterInstance, -1);
agent_a_->Subscribe("red", 2);
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 2);
//trigger a TCP close event on the server with two unsubscribe request
agent_a_->Unsubscribe("red", -1, false);
agent_a_->Unsubscribe("blue", -1, false);
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, RegisterWithoutRoutingInstance) {
ConfigureWithoutRoutingInstances();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
agent_a_->Subscribe("red", 2);
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
agent_a_->Subscribe(BgpConfigManager::kMasterInstance, -1);
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 0);
TASK_UTIL_EXPECT_TRUE(PeerRegistered(bgp_channel_manager_->channel_,
BgpConfigManager::kMasterInstance, -1));
task_util::WaitForIdle();
Configure();
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(2, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 2);
//trigger a TCP close event on the server with two unsubscribe request
agent_a_->Unsubscribe("red", -1, false);
agent_a_->Unsubscribe("blue", -1, false);
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, RegAddDelAddRouteWithoutRoutingInstance) {
ConfigureWithoutRoutingInstances();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
agent_a_->Subscribe("red", 2);
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
agent_a_->Subscribe(BgpConfigManager::kMasterInstance, -1);
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 0);
TASK_UTIL_EXPECT_TRUE(PeerRegistered(bgp_channel_manager_->channel_,
BgpConfigManager::kMasterInstance, -1));
agent_a_->DeleteRoute("blue","10.1.1.1/32");
agent_a_->AddRoute("blue","30.1.1.1/32");
task_util::WaitForIdle();
Configure();
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(2, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 2);
//trigger a TCP close event on the server with two unsubscribe request
agent_a_->Unsubscribe("red", -1, false);
agent_a_->Unsubscribe("blue", -1, false);
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, RegUnregWithoutRoutingInstance) {
ConfigureWithoutRoutingInstances();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
agent_a_->Subscribe(BgpConfigManager::kMasterInstance, -1);
agent_a_->Subscribe("red", 2);
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.3.1.1/32");
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 0);
TASK_UTIL_EXPECT_TRUE(PeerRegistered(bgp_channel_manager_->channel_,
BgpConfigManager::kMasterInstance, -1));
// unsubscribe request
agent_a_->Unsubscribe("red", -1, false);
agent_a_->Unsubscribe("blue", -1, false);
agent_a_->Unsubscribe(BgpConfigManager::kMasterInstance, -1, false);
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 0);
TASK_UTIL_EXPECT_TRUE(PeerNotRegistered(bgp_channel_manager_->channel_,
BgpConfigManager::kMasterInstance));
Configure();
task_util::WaitForIdle();
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
ASSERT_TRUE(agent_a_->RouteCount() == 0);
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, RegisterWithDeletedRoutingInstance) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
// Pause deletion for blue instance.
RoutingInstance *blue = VerifyRoutingInstance("blue");
PauseDelete(blue->deleter());
// Unconfigure all instances.
// The red instance should get destroyed while the blue instance should
// still exist in deleted state. All tables in the blue instance should
// get destroyed.
UnconfigureRoutingInstances();
task_util::WaitForIdle();
VerifyNoRoutingInstance("red");
blue = VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(blue->deleted());
TASK_UTIL_EXPECT_EQ(0, blue->GetTables().size());
// Subscribe and add route to deleted blue instance. Make sure that the
// messages have been processed on the bgp server.
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Route shouldn't have been added.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
// Resume deletion of blue instance and make sure it's gone.
ResumeDelete(blue->deleter());
VerifyNoRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Route shouldn't have been added.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
// Configure instances and verify that the route has been added.
Configure();
VerifyRoutingInstance("red");
VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_EQ(1, agent_a_->RouteCount());
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") != NULL);
TASK_UTIL_EXPECT_TRUE(
PeerRegistered(bgp_channel_manager_->channel_, "blue", 1));
// Clean up.
agent_a_->Unsubscribe("blue", -1, false);
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, UnregisterWithDeletedRoutingInstance) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
// Subscribe and add route to deleted blue instance. Make sure that the
// messages have been processed on the bgp server.
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerRegistered(bgp_channel_manager_->channel_, "blue", 1));
// Verify that the route has been added.
TASK_UTIL_EXPECT_EQ(1, agent_a_->RouteCount());
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") != NULL);
// Pause deletion for blue instance.
RoutingInstance *blue = VerifyRoutingInstance("blue");
PauseDelete(blue->deleter());
// Unconfigure all instances.
// The red instance should get destroyed while the blue instance should
// still exist in deleted state. All tables in the blue instance should
// not get destroyed since the inet table has a route from the agent.
UnconfigureRoutingInstances();
task_util::WaitForIdle();
VerifyNoRoutingInstance("red");
blue = VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(blue->deleted());
TASK_UTIL_EXPECT_NE(0, blue->GetTables().size());
// Unsubscribe from the blue instance and make sure that the unsubscribe
// message has been processed on the bgp server.
agent_a_->Unsubscribe("blue");
TASK_UTIL_EXPECT_EQ(3, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Resume deletion of blue instance and make sure it's gone.
ResumeDelete(blue->deleter());
VerifyNoRoutingInstance("blue");
// Route shouldn't exist anymore.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") == NULL);
// Clean up.
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, RegisterUnregisterWithDeletedRoutingInstance) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
// Pause deletion for blue instance.
RoutingInstance *blue = VerifyRoutingInstance("blue");
PauseDelete(blue->deleter());
// Unconfigure all instances.
// The red instance should get destroyed while the blue instance should
// still exist in deleted state. All tables in the blue instance should
// get destroyed.
UnconfigureRoutingInstances();
task_util::WaitForIdle();
VerifyNoRoutingInstance("red");
blue = VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(blue->deleted());
TASK_UTIL_EXPECT_EQ(0, blue->GetTables().size());
// Subscribe and add route to deleted blue instance. Make sure that the
// messages have been processed on the bgp server.
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Route shouldn't have been added.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
// Unsubscribe from the blue instance and make sure that the unsubscribe
// message has been processed on the bgp server.
agent_a_->Unsubscribe("blue");
TASK_UTIL_EXPECT_EQ(3, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Resume deletion of blue instance and make sure it's gone.
ResumeDelete(blue->deleter());
VerifyNoRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Route shouldn't have been added.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") == NULL);
// Clean up.
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, RegisterAddDelAddRouteWithDeletedRoutingInstance) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
// Pause deletion for blue instance.
RoutingInstance *blue = VerifyRoutingInstance("blue");
PauseDelete(blue->deleter());
// Unconfigure all instances.
// The red instance should get destroyed while the blue instance should
// still exist in deleted state. All tables in the blue instance should
// get destroyed.
UnconfigureRoutingInstances();
task_util::WaitForIdle();
VerifyNoRoutingInstance("red");
blue = VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(blue->deleted());
TASK_UTIL_EXPECT_EQ(0, blue->GetTables().size());
// Subscribe and add route to deleted blue instance. Make sure that the
// messages have been processed on the bgp server.
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Delete the route and make sure message is processed on bgp server.
agent_a_->DeleteRoute("blue", "10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(3, bgp_channel_manager_->channel_->Count());
// Add the route again and make sure message is processed on bgp server.
agent_a_->AddRoute("blue", "10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(4, bgp_channel_manager_->channel_->Count());
// Route shouldn't have been added.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
// Resume deletion of blue instance and make sure it's gone.
ResumeDelete(blue->deleter());
VerifyNoRoutingInstance("blue");
TASK_UTIL_EXPECT_TRUE(
PeerNotRegistered(bgp_channel_manager_->channel_, "blue"));
// Route shouldn't have been added.
TASK_UTIL_EXPECT_EQ(0, agent_a_->RouteCount());
// Configure instances and verify that the route has been added.
Configure();
VerifyRoutingInstance("red");
VerifyRoutingInstance("blue");
TASK_UTIL_EXPECT_EQ(1, agent_a_->RouteCount());
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") != NULL);
TASK_UTIL_EXPECT_TRUE(
PeerRegistered(bgp_channel_manager_->channel_, "blue", 1));
// Clean up.
agent_a_->Unsubscribe("blue", -1, false);
agent_a_->SessionDown();
task_util::WaitForIdle();
}
TEST_F(BgpXmppUnitTest, DuplicateRegisterWithoutRoutingInstance) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
uint32_t old_flap_count = agent_a_->flap_count();
// Subscribe to non-existent green instance.
agent_a_->Subscribe("green", 3);
TASK_UTIL_EXPECT_FALSE(
PeerRegistered(bgp_channel_manager_->channel_, "green", 3));
// Send a duplicate subscribe for the green instance.
// This should trigger a Close from the server.
agent_a_->Subscribe("green", 3);
// Make sure session on agent flapped and instances are intact.
TASK_UTIL_EXPECT_TRUE(agent_a_->flap_count() > old_flap_count);
VerifyRoutingInstance("blue");
VerifyRoutingInstance("red");
}
TEST_F(BgpXmppUnitTest, DuplicateRegisterWithNonDeletedRoutingInstance) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
uint32_t old_flap_count = agent_a_->flap_count();
// Subscribe and add route to blue instance. Make sure that the messages
// have been processed on the bgp server.
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerRegistered(bgp_channel_manager_->channel_, "blue", 1));
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") != NULL);
// Send a duplicate subscribe for the blue instance.
// This should trigger a Close from the server.
agent_a_->Subscribe("blue", 1);
// Make sure session on agent flapped and instances are intact.
TASK_UTIL_EXPECT_TRUE(agent_a_->flap_count() > old_flap_count);
VerifyRoutingInstance("blue");
VerifyRoutingInstance("red");
}
TEST_F(BgpXmppUnitTest, DuplicateRegisterWithDeletedRoutingInstance1) {
Configure();
task_util::WaitForIdle();
// create an XMPP client in server A
agent_a_.reset(
new test::NetworkAgentMock(&evm_, SUB_ADDR, xs_a_->GetPort()));
TASK_UTIL_EXPECT_TRUE(bgp_channel_manager_->channel_ != NULL);
TASK_UTIL_EXPECT_TRUE(agent_a_->IsEstablished());
uint32_t old_flap_count = agent_a_->flap_count();
// Subscribe and add route to blue instance. Make sure that the messages
// have been processed on the bgp server.
agent_a_->Subscribe("blue", 1);
agent_a_->AddRoute("blue","10.1.1.1/32");
TASK_UTIL_EXPECT_EQ(2, bgp_channel_manager_->channel_->Count());
TASK_UTIL_EXPECT_TRUE(
PeerRegistered(bgp_channel_manager_->channel_, "blue", 1));
TASK_UTIL_EXPECT_TRUE(agent_a_->RouteLookup("blue", "10.1.1.1/32") != NULL);
// Unconfigure all instances.
// The red instance should get destroyed while the blue instance should