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bgp_stress_test.cc
3324 lines (2847 loc) · 116 KB
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bgp_stress_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/program_options.hpp>
#include <fstream>
#include <iostream>
#include <list>
#include <map>
#include <string>
#include "base/task_annotations.h"
#include "base/test/addr_test_util.h"
#include "bgp/bgp_config_parser.h"
#include "bgp/bgp_factory.h"
#include "bgp/bgp_peer_membership.h"
#include "bgp/bgp_session_manager.h"
#include "bgp/bgp_xmpp_sandesh.h"
#include "bgp/inet/inet_table.h"
#include "bgp/l3vpn/inetvpn_table.h"
#include "bgp/inet6/inet6_table.h"
#include "bgp/inet6vpn/inet6vpn_table.h"
#include "bgp/tunnel_encap/tunnel_encap.h"
#include "bgp/xmpp_message_builder.h"
#include "control-node/control_node.h"
#include "schema/bgp_schema_types.h"
#include "schema/vnc_cfg_types.h"
#include "xmpp/xmpp_init.h"
#include "xmpp/xmpp_factory.h"
#include "bgp/test/bgp_stress_test.h"
#define BGP_STRESS_TEST_LOG(str) \
do { \
log4cplus::Logger logger = log4cplus::Logger::getRoot(); \
LOG4CPLUS_DEBUG(logger, "BGP_STRESS_TEST_LOG: " \
<< __FILE__ << ":" << __FUNCTION__ << "()" \
<< ":" << __LINE__ << " " << str); \
} while (false)
#define BGP_STRESS_TEST_EVENT_LOG(event) \
do { \
if (!BgpStressTestEvent::log_) \
break; \
ostringstream out; \
out << "Feed " << BgpStressTestEvent::count_++ << "th event: "; \
out << BgpStressTestEvent::ToString(event); \
BgpStressTestEvent::d_events_played_list_.push_back(out.str()); \
BGP_STRESS_TEST_LOG(out.str()); \
BgpStressTestEvent::log_ = false; \
} while (false)
#undef __BGP_PROFILE__
#if defined(__BGP_PROFILE__) && ! defined(__APPLE__)
#define HEAP_PROFILER_START(prefix) \
do { \
if (!d_profile_heap_) break; \
HeapProfilerStart(prefix); \
} while (false)
#define HEAP_PROFILER_STOP() \
do { \
if (!d_profile_heap_) break; \
HeapProfilerStop(); \
} while (false)
#define HEAP_PROFILER_DUMP(reason) \
do { \
if (!d_profile_heap_) break; \
HeapProfilerDump(reason); \
} while (false)
#else
#define HEAP_PROFILER_START(prefix)
#define HEAP_PROFILER_STOP()
#define HEAP_PROFILER_DUMP(reason)
#endif
#define XMPP_CONTROL_SERV "bgp.contrail.com"
#define PUBSUB_NODE_ADDR "bgp-node.contrail.com"
using namespace std;
using namespace boost::asio;
using namespace boost::assign;
using namespace boost::program_options;
using boost::any_cast;
using boost::scoped_ptr;
using ::testing::TestWithParam;
using ::testing::Bool;
using ::testing::ValuesIn;
using ::testing::Combine;
int BgpStressTestEvent::count_;
bool BgpStressTestEvent::log_;
vector<BgpStressTestEvent::EventType> BgpStressTestEvent::d_events_list_;
vector<string> BgpStressTestEvent::d_events_played_list_;
static int d_events_ = 50;
static vector<float> d_events_weight_ = boost::assign::list_of
(50.0) // ADD_BGP_ROUTE
(50.0) // DELETE_BGP_ROUTE
(70.0) // ADD_XMPP_ROUTE
(70.0) // DELETE_XMPP_ROUTE
(20.0) // BRING_UP_XMPP_AGENT
(20.0) // BRING_DOWN_XMPP_AGENT
(20.0) // CLEAR_XMPP_AGENT
(20.0) // SUBSCRIBE_ROUTING_INSTANCE
(20.0) // UNSUBSCRIBE_ROUTING_INSTANCE
(20.0) // SUBSCRIBE_CONFIGURATION
(20.0) // UNSUBSCRIBE_CONFIGURATION
(10.0) // ADD_BGP_PEER
(10.0) // DELETE_BGP_PEER
(20.0) // CLEAR_BGP_PEER
(30.0) // ADD_ROUTING_INSTANCE
(30.0) // DELETE_ROUTING_INSTANCE
(10.0) // ADD_ROUTE_TARGET
(10.0) // DELETE_ROUTE_TARGET
(10.0) // CHANGE_SOCKET_BUFFER_SIZE
(10.0) // SHOW_ALL_ROUTES
;
//
// Parameters
//
// ninstances: Number of routing-instances configured in DUT (BgpServer)
// nroutes: Number of routes advertised by each agent
// npeers: Number of BGP Peers that form session over inet and inet-vpn
// nagents: Number of XMPP agents that subscribe to various routing-instances
// ntargets: Number of import/export route-targets attached to each instance
// xmpp-auth-enabled: Enable authentication on Xmpp channel
//
static bool d_external_mode_ = false;
static int d_instances_ = 1;
static int d_routes_ = 1;
static int d_peers_ = 1;
static int d_agents_ = 1;
static int d_targets_ = 1;
static int d_test_id_ = 0;
static int d_vms_count_ = 0;
static bool d_close_from_control_node_ = false;
static bool d_xmpp_auth_enabled_ = false;
static bool d_pause_after_initial_setup_ = false;
static bool d_profile_heap_ = false;
static bool d_no_mcast_routes_ = false;
static bool d_no_inet6_routes_ = false;
static bool d_no_sandesh_server_ = false;
static string d_xmpp_server_ = "127.0.0.1";
static string d_xmpp_source_ = "127.0.0.1";
static string d_xmpp_rt_nexthop_ = "";
static bool d_xmpp_rt_nexthop_vary_ = false;
static bool d_xmpp_rt_format_large_ = false;
static string d_xmpp_rt_prefix_ = "";
static string d_instance_name_ = "";
static int d_xmpp_port_ = 0;
static int d_http_port_ = 0;
static string d_feed_events_file_ = "";
static string d_routes_send_trigger_ = "";
static string d_log_category_ = "";
static string d_log_level_ = "SYS_DEBUG";
static bool d_log_local_disable_ = false;
static bool d_log_trace_enable_ = false;
static bool d_log_disable_ = false;
static bool d_no_verify_routes_ = false;
static bool d_no_agent_updates_processing_ = false;
static bool d_no_agent_messages_processing_ = false;
static float d_events_proportion_ = 0.0;
static vector<int> n_instances = boost::assign::list_of(d_instances_);
static vector<int> n_routes = boost::assign::list_of(d_routes_);
static vector<int> n_peers = boost::assign::list_of(d_peers_);
static vector<int> n_agents = boost::assign::list_of(d_agents_);
static vector<int> n_targets = boost::assign::list_of(d_targets_);
static vector<bool> xmpp_close_from_control_node =
boost::assign::list_of(d_close_from_control_node_);
static vector<bool> xmpp_auth_enabled =
boost::assign::list_of(d_xmpp_auth_enabled_);
static int d_db_walker_wait_ = 0;
static int d_wait_for_idle_ = 30; // Seconds
static const char **gargv;
static int gargc;
static void WaitForIdle() {
if (d_wait_for_idle_) {
usleep(10);
task_util::WaitForIdle(d_wait_for_idle_);
}
}
PeerCloseManagerTest::PeerCloseManagerTest(IPeer *peer) :
PeerCloseManager(peer) {
}
PeerCloseManagerTest::~PeerCloseManagerTest() {
}
void PeerCloseManagerTest::StartStaleTimer() {
}
static string GetRouterName(int router_id) {
return "A" + boost::lexical_cast<string>(router_id);
}
BgpNullPeer::BgpNullPeer(BgpServerTest *server, int peer_id) {
for (int i = 0; i < 20; ++i) {
ribout_creation_complete_.push_back(false);
}
string uuid = BgpConfigParser::session_uuid(
GetRouterName(0), GetRouterName(peer_id), 1);
TASK_UTIL_EXPECT_NE(static_cast<BgpPeerTest *>(NULL),
static_cast<BgpPeerTest *>(
server->FindPeerByUuid(
BgpConfigManager::kMasterInstance, uuid)));
peer_ = static_cast<BgpPeerTest *>(
server->FindPeerByUuid(BgpConfigManager::kMasterInstance,
uuid));
peer_id_ = peer_id;
}
BgpXmppChannelManagerMock::BgpXmppChannelManagerMock(XmppServerTest *x,
BgpServer *b) :
BgpXmppChannelManager(x, b), channel_(NULL) {
}
BgpXmppChannelManagerMock::~BgpXmppChannelManagerMock() {
}
BgpXmppChannel *BgpXmppChannelManagerMock::CreateChannel(XmppChannel *channel) {
channel_ = new BgpXmppChannel(channel, bgp_server_, this);
return channel_;
}
string BgpStressTestEvent::ToString(BgpStressTestEvent::EventType event) {
switch (event) {
case ADD_BGP_ROUTE:
return "ADD_BGP_ROUTE";
case DELETE_BGP_ROUTE:
return "DELETE_BGP_ROUTE";
case ADD_XMPP_ROUTE:
return "ADD_XMPP_ROUTE";
case DELETE_XMPP_ROUTE:
return "DELETE_XMPP_ROUTE";
case BRING_UP_XMPP_AGENT:
return "BRING_UP_XMPP_AGENT";
case BRING_DOWN_XMPP_AGENT:
return "BRING_DOWN_XMPP_AGENT";
case CLEAR_XMPP_AGENT:
return "CLEAR_XMPP_AGENT";
case SUBSCRIBE_ROUTING_INSTANCE:
return "SUBSCRIBE_ROUTING_INSTANCE";
case UNSUBSCRIBE_ROUTING_INSTANCE:
return "UNSUBSCRIBE_ROUTING_INSTANCE";
case SUBSCRIBE_CONFIGURATION:
return "SUBSCRIBE_CONFIGURATION";
case UNSUBSCRIBE_CONFIGURATION:
return "UNSUBSCRIBE_CONFIGURATION";
case ADD_BGP_PEER:
return "ADD_BGP_PEER";
case DELETE_BGP_PEER:
return "DELETE_BGP_PEER";
case CLEAR_BGP_PEER:
return "CLEAR_BGP_PEER";
case ADD_ROUTING_INSTANCE:
return "ADD_ROUTING_INSTANCE";
case DELETE_ROUTING_INSTANCE:
return "DELETE_ROUTING_INSTANCE";
case ADD_ROUTE_TARGET:
return "ADD_ROUTE_TARGET";
case DELETE_ROUTE_TARGET:
return "DELETE_ROUTE_TARGET";
case CHANGE_SOCKET_BUFFER_SIZE:
return "CHANGE_SOCKET_BUFFER_SIZE";
case SHOW_ALL_ROUTES:
return "SHOW_ALL_ROUTES";
case PAUSE:
return "PAUSE";
}
assert(false);
}
BgpStressTestEvent::EventType BgpStressTestEvent::FromString(
const string event) {
static EventStringMap from_string_map_ = map_list_of
("ADD_BGP_ROUTE", ADD_BGP_ROUTE)
("DELETE_BGP_ROUTE", DELETE_BGP_ROUTE)
("ADD_XMPP_ROUTE", ADD_XMPP_ROUTE)
("DELETE_XMPP_ROUTE", DELETE_XMPP_ROUTE)
("BRING_UP_XMPP_AGENT", BRING_UP_XMPP_AGENT)
("BRING_DOWN_XMPP_AGENT", BRING_DOWN_XMPP_AGENT)
("CLEAR_XMPP_AGENT", CLEAR_XMPP_AGENT)
("SUBSCRIBE_ROUTING_INSTANCE", SUBSCRIBE_ROUTING_INSTANCE)
("UNSUBSCRIBE_ROUTING_INSTANCE", UNSUBSCRIBE_ROUTING_INSTANCE)
("SUBSCRIBE_CONFIGURATION", SUBSCRIBE_CONFIGURATION)
("UNSUBSCRIBE_CONFIGURATION", UNSUBSCRIBE_CONFIGURATION)
("ADD_BGP_PEER", ADD_BGP_PEER)
("DELETE_BGP_PEER", DELETE_BGP_PEER)
("CLEAR_BGP_PEER", CLEAR_BGP_PEER)
("ADD_ROUTING_INSTANCE", ADD_ROUTING_INSTANCE)
("DELETE_ROUTING_INSTANCE", DELETE_ROUTING_INSTANCE)
("ADD_ROUTE_TARGET", ADD_ROUTE_TARGET)
("DELETE_ROUTE_TARGET", DELETE_ROUTE_TARGET)
("CHANGE_SOCKET_BUFFER_SIZE", CHANGE_SOCKET_BUFFER_SIZE)
("SHOW_ALL_ROUTES", SHOW_ALL_ROUTES)
("PAUSE", PAUSE)
;
EventStringMap::iterator iter = from_string_map_.find(event);
if (iter == from_string_map_.end()) return EVENT_INVALID;
return iter->second;
}
void BgpStressTestEvent::ReadEventsFromFile(string events_file) {
struct noop {
void operator()(...) const {}
};
istream *input;
if (events_file == "-") {
input = &cin;
} else {
input = new ifstream(events_file.c_str());
}
while (input->good()) {
string line;
getline(*input, line);
size_t pos = line.find("event: ");
if (pos == string::npos) continue;
//
// Get the actual event string
//
EventType event = FromString(line.c_str() + pos + 7);
if (event != EVENT_INVALID) {
d_events_list_.push_back(event);
}
}
if (input != &cin) {
delete input;
}
//
// Set the number of events read from the file
//
if (d_events_list_.size()) {
d_events_ = d_events_list_.size();
}
}
float BgpStressTestEvent::GetEventWeightSum() {
static float event_weight_sum_ = 0;
if (!event_weight_sum_) {
for(int i = 0; i < NUM_TEST_EVENTS; i++) {
event_weight_sum_ += d_events_weight_[i];
}
}
return event_weight_sum_;
}
BgpStressTestEvent::EventType BgpStressTestEvent::GetTestEvent() {
float rnd;
int i;
EventType event;
//
// Check if events to be fed are known (from a file..)
//
if (!d_events_list_.empty()) {
event = d_events_list_[count_];
} else {
rnd = random((int) GetEventWeightSum());
for(i = 0; i < NUM_TEST_EVENTS; i++) {
if(rnd < d_events_weight_[i]) {
break;
}
rnd -= d_events_weight_[i];
}
event = static_cast<EventType>(i + 1);
}
log_ = true;
return event;
}
int BgpStressTestEvent::random(int limit) {
return std::rand() % limit;
}
vector<int> BgpStressTestEvent::GetEventItems(int nitems, int inc) {
vector<int> event_ids_list;
if (!nitems) return event_ids_list;
int event_ids = 1;
if (d_events_proportion_) {
event_ids = nitems * d_events_proportion_;
if (!event_ids) event_ids = 1;
}
for (int i = 0; i < event_ids; ++i) {
while (true) {
int item = BgpStressTestEvent::random(nitems);
if (std::find(event_ids_list.begin(),
event_ids_list.end(), item) ==
event_ids_list.end()) {
event_ids_list.push_back(item + inc);
break;
}
}
}
return event_ids_list;
}
void BgpStressTestEvent::clear_events() {
d_events_played_list_.clear();
}
void BgpStressTest::IFMapInitialize() {
if (d_external_mode_) return;
config_db_ = new DB();
config_graph_ = new DBGraph();
ifmap_server_.reset(new IFMapServer(config_db_, config_graph_,
evm_.io_service()));
IFMapLinkTable_Init(ifmap_server_->database(), ifmap_server_->graph());
IFMapServerParser *ifmap_parser =
IFMapServerParser::GetInstance("vnc_cfg");
vnc_cfg_ParserInit(ifmap_parser);
vnc_cfg_Server_ModuleInit(ifmap_server_->database(),
ifmap_server_->graph());
bgp_schema_ParserInit(ifmap_parser);
bgp_schema_Server_ModuleInit(ifmap_server_->database(),
ifmap_server_->graph());
ifmap_server_->Initialize();
}
void BgpStressTest::IFMapCleanUp() {
if (d_external_mode_) return;
ifmap_server_->Shutdown();
WaitForIdle();
IFMapLinkTable_Clear(config_db_);
IFMapTable::ClearTables(config_db_);
WaitForIdle();
config_db_->Clear();
IFMapServerParser::GetInstance("vnc_cfg")->MetadataClear("vnc_cfg");
}
void BgpStressTest::SetUp() {
BgpStressTestEvent::clear_events();
socket_buffer_size_ = 1 << 10;
sandesh_context_.reset(new BgpSandeshContext());
RegisterSandeshShowXmppExtensions(sandesh_context_.get());
if (!d_no_sandesh_server_) {
//
// Initialize SandeshServer
//
sandesh_server_ = new SandeshServerTest(&evm_);
sandesh_server_->Initialize(0);
boost::system::error_code error;
string hostname(boost::asio::ip::host_name(error));
Sandesh::InitGenerator("BgpUnitTestSandeshClient", hostname,
"BgpTest", "Test", &evm_,
d_http_port_, sandesh_context_.get());
Sandesh::ConnectToCollector("127.0.0.1",
sandesh_server_->GetPort());
BGP_STRESS_TEST_LOG("Introspect at http://localhost:" <<
Sandesh::http_port());
} else {
Sandesh::set_client_context(sandesh_context_.get());
sandesh_server_ = NULL;
}
IFMapInitialize();
if (!d_external_mode_) {
server_.reset(new BgpServerTest(&evm_, "A0", config_db_,
config_graph_));
} else {
server_.reset(new BgpServerTest(&evm_, "A0"));
}
if (d_xmpp_auth_enabled_) {
XmppChannelConfig xs_cfg(false);
xs_cfg.auth_enabled = true;
xs_cfg.path_to_server_cert =
"controller/src/xmpp/testdata/server-build02.pem";
xs_cfg.path_to_server_priv_key =
"controller/src/xmpp/testdata/server-build02.key";
xmpp_server_test_ = new XmppServerTest(&evm_, XMPP_CONTROL_SERV,
&xs_cfg);
} else {
xmpp_server_test_ = new XmppServerTest(&evm_, XMPP_CONTROL_SERV);
}
if (!d_external_mode_) {
ifmap_channel_mgr_.reset(new IFMapChannelManager(xmpp_server_test_,
ifmap_server_.get()));
ifmap_server_->set_ifmap_channel_manager(ifmap_channel_mgr_.get());
}
channel_manager_.reset(new BgpXmppChannelManagerMock(
xmpp_server_test_, server_.get()));
master_cfg_.reset(BgpTestUtil::CreateBgpInstanceConfig(
BgpConfigManager::kMasterInstance, "", ""));
rtinstance_ = static_cast<RoutingInstance *>(
server_->routing_instance_mgr()->GetRoutingInstance(
BgpConfigManager::kMasterInstance));
families_.push_back(Address::INET);
families_.push_back(Address::INETVPN);
families_.push_back(Address::INET6VPN);
n_families_ = families_.size();
server_->session_manager()->Initialize(0);
xmpp_server_test_->Initialize(0, false);
sandesh_context_->bgp_server = server_.get();
sandesh_context_->xmpp_peer_manager = channel_manager_.get();
thread_.Start();
}
void BgpStressTest::TearDown() {
AgentCleanup();
WaitForIdle();
xmpp_server_test_->Shutdown();
WaitForIdle();
TASK_UTIL_EXPECT_EQ(0, xmpp_server_test_->ConnectionCount());
channel_manager_.reset();
WaitForIdle();
TcpServerManager::DeleteServer(xmpp_server_test_);
xmpp_server_test_ = NULL;
DeleteBgpPeers(n_peers_);
server_->Shutdown();
WaitForIdle();
Cleanup();
WaitForIdle();
IFMapCleanUp();
WaitForIdle();
evm_.Shutdown();
thread_.Join();
task_util::WaitForIdle();
}
void BgpStressTest::AgentCleanup() {
BOOST_FOREACH(test::NetworkAgentMock *agent, xmpp_agents_) {
agent->SessionDown();
}
WaitForIdle();
BOOST_FOREACH(test::NetworkAgentMock *agent, xmpp_agents_) {
agent->Delete();
}
WaitForIdle();
}
void BgpStressTest::Cleanup() {
BOOST_FOREACH(BgpNullPeer *npeer, peers_) {
if (npeer) {
delete npeer;
}
}
BOOST_FOREACH(test::NetworkAgentMock *agent, xmpp_agents_) {
delete agent;
}
WaitForIdle();
SandeshShutdown();
WaitForIdle();
}
void BgpStressTest::SandeshShutdown() {
if (d_no_sandesh_server_) return;
Sandesh::Uninit();
WaitForIdle();
TASK_UTIL_EXPECT_FALSE(sandesh_server_->HasSessions());
sandesh_server_->Shutdown();
WaitForIdle();
TcpServerManager::DeleteServer(sandesh_server_);
sandesh_server_ = NULL;
WaitForIdle();
}
bool BgpStressTest::CheckRoutingInstance(int instance_id) {
task_util::TaskSchedulerLock lock;
std::string name = GetInstanceName(instance_id);
return (server_->routing_instance_mgr()->GetRoutingInstance(name) != NULL);
}
void BgpStressTest::VerifyRoutingInstances() {
for (int instance_id = 0; instance_id < (int) instances_.size();
++instance_id) {
if (instances_[instance_id]) {
TASK_UTIL_EXPECT_TRUE(CheckRoutingInstance(instance_id));
} else {
TASK_UTIL_EXPECT_FALSE(CheckRoutingInstance(instance_id));
}
}
}
Ip4Prefix BgpStressTest::GetAgentRoute(int agent_id, int instance_id,
int route_id) {
Ip4Prefix prefix;
if (!d_xmpp_rt_prefix_.empty()) {
prefix = Ip4Prefix::FromString(d_xmpp_rt_prefix_);
} else {
unsigned long address;
if (d_xmpp_rt_format_large_) {
// <0-7> 3 bits for test-id
// <0-31> 5 bits for instance-id
// <0-4095> 12 bits for agent-id
// <0-4095> 12 bits for prefix
address = (d_test_id_ << 29) |
((instance_id) << 24) |
(((agent_id >> 4) & 0xff) << 16) |
((agent_id & 0xf) << 12) | 1;
} else {
// <0-511> 9 bits for test-id
// <0-63> 6 bits for instance-id
// <0-127> 7 bits for agent-id
// <0-511> 10 bits for prefix
address = (d_test_id_ << 23) |
(instance_id << 17) |
(agent_id << 10) | 1;
}
prefix = Ip4Prefix(Ip4Address(address), 32);
}
prefix = task_util::Ip4PrefixIncrement(prefix, route_id);
return prefix;
}
void BgpStressTest::Configure(string config) {
BGP_DEBUG_UT("Applying config: " << config);
server_->Configure(config.c_str());
VerifyRoutingInstances();
}
XmppChannelConfig *BgpStressTest::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 = PUBSUB_NODE_ADDR;
return cfg;
}
string BgpStressTest::GetInstanceName(int instance_id, int vn_id) {
if (!instance_id) return BgpConfigManager::kMasterInstance;
ostringstream out;
out << "default-domain:default-project";
//
// Check if instance name is provided by the user
//
if (!d_instance_name_.empty()) {
out << ":" << d_instance_name_ << instance_id;
out << ":" << d_instance_name_ << instance_id;
return out.str();
}
out << ":network" << vn_id << "." << "instance" << instance_id;
out << ":network" << vn_id << "." << "instance" << instance_id;
return out.str();
}
void BgpStressTest::VerifyPeer(BgpServerTest *server, BgpNullPeer *npeer) {
string uuid = BgpConfigParser::session_uuid(
server->config_manager()->localname(),
GetRouterName(npeer->peer_id()), 1);
TASK_UTIL_EXPECT_EQ(npeer->peer(), static_cast<BgpPeerTest *>(
server->FindPeerByUuid(
BgpConfigManager::kMasterInstance, uuid)));
if (npeer->peer()) {
BGP_WAIT_FOR_PEER_STATE(npeer->peer(), StateMachine::ESTABLISHED);
BGP_STRESS_TEST_LOG("BGP Peer " << npeer->peer()->ToString() << " up");
}
}
void BgpStressTest::VerifyPeers() {
BOOST_FOREACH(BgpNullPeer *npeer, peers_) {
if (npeer) {
VerifyPeer(server_.get(), npeer);
}
}
}
void BgpStressTest::VerifyNoPeer(int peer_id, string peer_name) {
if (peer_id >= (int) peers_.size() || !peers_[peer_id]) return;
BgpNullPeer *npeer = peers_[peer_id];
npeer->set_peer(NULL);
VerifyPeer(server_.get(), npeer);
BGP_STRESS_TEST_LOG("BGP Peer " << peer_name << " down");
delete peers_[peer_id];
peers_[peer_id] = NULL;
delete peer_servers_[peer_id];
peer_servers_[peer_id] = NULL;
}
void BgpStressTest::VerifyNoPeers() {
BOOST_FOREACH(BgpNullPeer *npeer, peers_) {
if (npeer) {
npeer->set_peer(NULL);
VerifyPeer(server_.get(), npeer);
}
}
}
// Each BGP peer sends its own route : n_peers_
// Each Agent sends its own route per instance: nagents * ninstances
// Per agent route, one route is injected by 1/2 bgp peers with same rd
// : nagents * ninstances
// Per agent route, one route is injected by 1/2 bgp peers with different rds
// : nagents * ninstances * n_peers_/2
//
// Sum: n_peers_ + nagents * ninstances * (1 + 1 + n_peers_/2)
// Expected: nroutes * (n_peers_ + nagents * ninstances * (2 + n_peers_/2))
void BgpStressTest::VerifyControllerRoutes(int ninstances, int nagents,
int nroutes) {
if (!n_peers_) return;
for (int i = 0; i < n_families_; ++i) {
BgpTable *tb = rtinstance_->GetTable(families_[i]);
if (nroutes && (n_agents_ || n_peers_) &&
((families_[i] == Address::INETVPN) ||
(families_[i] == Address::INET6VPN))) {
if ((families_[i] == Address::INET6VPN) && d_no_inet6_routes_) {
continue;
}
int npeers = n_peers_;
npeers += nagents;
BGP_VERIFY_ROUTE_COUNT(tb,
nroutes * (n_peers_ + nagents * ninstances * (2 + n_peers_/2)));
} else {
BGP_VERIFY_ROUTE_COUNT(tb, nroutes);
}
}
}
void BgpStressTest::VerifyRibOutCreationCompletion() {
return;
BOOST_FOREACH(BgpNullPeer *npeer, peers_) {
if (!npeer) continue;
for (int i = 0; i < n_families_; ++i) {
EXPECT_TRUE(npeer->ribout_creation_complete(families_[i]));
}
}
}
string BgpStressTest::GetRouterConfig(int router_id, int peer_id,
bool skip_rtr_config) {
int local_port;
if (!router_id) {
local_port = server_->session_manager()->GetPort();
} else {
local_port = peer_servers_[router_id]->session_manager()->GetPort();
}
ostringstream out;
out << "<bgp-router name=\'";
out << GetRouterName(router_id);;
out << "\'>";
if (!skip_rtr_config) {
out << "<identifier>";
out << "192.168.0." + boost::lexical_cast<string>(router_id);
out << "</identifier>";
out << "<address>127.0.0.1</address>";
out << "<port>" << local_port << "</port>";
}
//
// Cannot have a session to self
//
if (GetRouterName(router_id) != GetRouterName(peer_id)) {
out << "<session to=\'";
out << GetRouterName(peer_id);
out << "\'>";
out << "<address-families>";
out << "<family>inet</family>";
out << "<family>inet-vpn</family>";
out << "<family>inet6-vpn</family>";
out << "<family>e-vpn</family>";
out << "<family>erm-vpn</family>";
out << "<family>route-target</family>";
out << "</address-families>";
out << "</session>";
}
out << "</bgp-router>";
return out.str();
}
string BgpStressTest::GetInstanceConfig(int instance_id, int ntargets) {
ostringstream out;
int vn_id = 1;
string instance_name = GetInstanceName(instance_id);
out << "<routing-instance name='" << instance_name << "'>\n";
for (int j = 1; j <= ntargets; ++j) {
out << " <vrf-target>target:" << vn_id << ":";
out << j << "</vrf-target>\n";
}
out << "</routing-instance>\n";
return out.str();
}
BgpAttr *BgpStressTest::CreatePathAttr() {
BgpAttrSpec attr_spec;
BgpAttrDB *db = server_->attr_db();
BgpAttr *attr = new BgpAttr(db, attr_spec);
attr->set_origin(BgpAttrOrigin::IGP);
attr->set_med(5);
attr->set_local_pref(10);
AsPathSpec as_path;
AsPathSpec::PathSegment *ps = new AsPathSpec::PathSegment;
ps->path_segment_type = AsPathSpec::PathSegment::AS_SEQUENCE;
ps->path_segment.push_back(20);
ps->path_segment.push_back(30);
as_path.path_segments.push_back(ps);
attr->set_as_path(&as_path);
return attr;
}
void BgpStressTest::AddRouteTargetsToCommunitySpec(ExtCommunitySpec *commspec,
int ntargets) {
for (int i = 1; i <= ntargets; ++i) {
RouteTarget tgt = RouteTarget::FromString(
"target:1:" + boost::lexical_cast<string>(i));
commspec->communities.push_back(tgt.GetExtCommunityValue());
}
}
void BgpStressTest::AddBgpInetRoute(int family, int peer_id, int route_id,
int ntargets) {
string start_prefix;
uint32_t label = 20000 + route_id;
start_prefix = "20." + boost::lexical_cast<string>(peer_id) + ".1.1/32";
AddBgpInetRouteInternal(family, peer_id, ntargets, route_id, start_prefix,
label);
for (int i = 1; i <= n_instances_; ++i) {
for (int agent = 1; agent <= n_agents_; ++agent) {
Ip4Prefix prefix = GetAgentRoute(agent, i, 0);
AddBgpInetRouteInternal(family, peer_id, ntargets, route_id,
prefix.ToString(), 30000 + route_id);
}
}
}
void BgpStressTest::AddLocalPrefToAttr(BgpAttrSpec *attr_spec) {
int localpref = 100; // Default preference
BgpAttrLocalPref* local_pref = new BgpAttrLocalPref(localpref);
attr_spec->push_back(local_pref);
}
void BgpStressTest::AddNexthopToAttr(BgpAttrSpec *attr_spec, int peer_id) {
// 0x66 is 'B' for BGP
BgpAttrNextHop *nexthop = new BgpAttrNextHop(0x66010000 + peer_id);
attr_spec->push_back(nexthop);
}
void BgpStressTest::AddTunnelEncapToCommunitySpec(ExtCommunitySpec *commspec) {
TunnelEncap tun_encap(std::string("gre"));
commspec->communities.push_back(tun_encap.GetExtCommunityValue());
}
void BgpStressTest::AddBgpInet6Route(int peer_id, int route_id,
int num_targets) {
BgpTable *table = rtinstance_->GetTable(Address::INET6);
if (!table) {
return;
}
if (peer_id >= (int) peers_.size() || !peers_[peer_id]) {
return;
}
IPeer *peer = peers_[peer_id]->peer();
if (!peer) {
return;
}
BGP_WAIT_FOR_PEER_STATE(peers_[peer_id]->peer(), StateMachine::ESTABLISHED);
// Create the attributes
BgpAttrSpec attr_spec;
AddLocalPrefToAttr(&attr_spec);
AddNexthopToAttr(&attr_spec, peer_id);
ExtCommunitySpec* commspec(new ExtCommunitySpec());
AddTunnelEncapToCommunitySpec(commspec);
attr_spec.push_back(commspec);
BgpAttrPtr attr = server_->attr_db()->Locate(attr_spec);
STLDeleteValues(&attr_spec);
int label = 30000 + route_id;
DBRequest req;
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
for (int instance = 1; instance <= n_instances_; ++instance) {
for (int agent = 1; agent <= n_agents_; ++agent) {
Inet6Prefix prefix6 =
CreateAgentInet6Prefix(agent, instance, route_id);
req.key.reset(new Inet6Table::RequestKey(prefix6, peer));
req.data.reset(new Inet6Table::RequestData(attr, 0, label));
table->Enqueue(&req);
}
}
}
void BgpStressTest::AddBgpInet6VpnRoute(int peer_id, int route_id,
int num_targets) {
BgpTable *table = rtinstance_->GetTable(Address::INET6VPN);
if (!table) {
return;
}
if (peer_id >= (int) peers_.size() || !peers_[peer_id]) {
return;
}
IPeer *peer = peers_[peer_id]->peer();
if (!peer) {
return;
}
BGP_STRESS_TEST_EVENT_LOG(BgpStressTestEvent::ADD_BGP_ROUTE);
BGP_WAIT_FOR_PEER_STATE(peers_[peer_id]->peer(), StateMachine::ESTABLISHED);
// Create the attributes
BgpAttrSpec attr_spec;
AddLocalPrefToAttr(&attr_spec);
AddNexthopToAttr(&attr_spec, peer_id);
ExtCommunitySpec* commspec(new ExtCommunitySpec());
AddTunnelEncapToCommunitySpec(commspec);
AddRouteTargetsToCommunitySpec(commspec, num_targets);
attr_spec.push_back(commspec);
BgpAttrPtr attr = server_->attr_db()->Locate(attr_spec);
STLDeleteValues(&attr_spec);
// For odd peer_id's, choose hard-coded value; for even, choose the
// peer_id. This is to have half of the RD's as dups.
string peer_id_str = (peer_id & 1) ? "9999" : integerToString(peer_id);
// b's in the address for bgp-peer routes. We will get 'n_peers_' routes
// with prefix 2001:bbbb:bbbb::0:0:route_id, each with its own RD.
string pre_prefix;
pre_prefix = "65412:" + integerToString(peer_id) + ":2001:bbbb:bbbb::";
Inet6VpnPrefix b_prefix6 =
CreateInet6VpnPrefix(pre_prefix, 0, 0, route_id);