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bgp_xmpp_channel_test.cc
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bgp_xmpp_channel_test.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include <fstream>
#include <sstream>
#include "base/task_annotations.h"
#include "control-node/control_node.h"
#include "bgp/bgp_factory.h"
#include "bgp/bgp_peer_membership.h"
#include "bgp/bgp_xmpp_channel.h"
#include "bgp/test/bgp_server_test_util.h"
#include "bgp/xmpp_message_builder.h"
#include "control-node/control_node.h"
#include "control-node/test/network_agent_mock.h"
using namespace std;
using namespace boost;
using namespace test;
using ::testing::_;
using ::testing::Invoke;
using ::testing::Return;
class XmppChannelMock : public XmppChannel {
public:
XmppChannelMock() { }
virtual ~XmppChannelMock() { }
void Close() { }
void CloseComplete() { }
bool IsCloseInProgress() const { return false; }
bool Send(const uint8_t *, size_t, xmps::PeerId, SendReadyCb) {
return true;
}
MOCK_METHOD2(RegisterReceive, void(xmps::PeerId, ReceiveCb));
MOCK_METHOD1(UnRegisterReceive, void(xmps::PeerId));
MOCK_METHOD1(UnRegisterWriteReady, void(xmps::PeerId));
std::string ToString() const { return string("fake"); }
std::string StateName() const { return string("Established"); }
xmps::PeerState GetPeerState() const { return xmps::READY; }
std::string FromString() const { return string("fake-from"); }
const XmppConnection *connection() const { return NULL; }
virtual std::string LastStateName() const {
return "";
}
virtual std::string LastStateChangeAt() const {
return "";
}
virtual std::string LastEvent() const {
return "";
}
virtual uint32_t rx_open() const {
return 0;
}
virtual uint32_t rx_close() const {
return 0;
}
virtual uint32_t rx_update() const {
return 0;
}
virtual uint32_t rx_keepalive() const {
return 0;
}
virtual uint32_t tx_open() const {
return 0;
}
virtual uint32_t tx_close() const {
return 0;
}
virtual uint32_t tx_update() const {
return 0;
}
virtual uint32_t tx_keepalive() const {
return 0;
}
virtual uint32_t FlapCount() const {
return 0;
}
virtual std::string LastFlap() const {
return "";
}
virtual std::string AuthType() const {
return "";
}
virtual std::string PeerAddress() const {
return "";
}
virtual void RegisterRxMessageTraceCallback(RxMessageTraceCb cb) {
return;
}
};
class BgpXmppChannelMock : public BgpXmppChannel {
public:
BgpXmppChannelMock(XmppChannel *channel, BgpServer *server,
BgpXmppChannelManager *manager) :
BgpXmppChannel(channel, server, manager) , count_(0),
receive_updates_queue_(
TaskScheduler::GetInstance()->GetTaskId("xmpp::StateMachine"), 0,
boost::bind(&BgpXmppChannelMock::ProcessUpdate, this, _1)) {
}
virtual ~BgpXmppChannelMock() {
}
bool ProcessUpdate(const XmppStanza::XmppMessage *msg) {
ReceiveUpdate(msg);
return true;
}
virtual void ReceiveUpdate(const XmppStanza::XmppMessage *msg) {
count_++;
BgpXmppChannel::ReceiveUpdate(msg);
}
void Enqueue(XmppStanza::XmppMessage *message) {
receive_updates_queue_.Enqueue(message);
}
size_t Count() const { return count_; }
void ResetCount() { count_ = 0; }
private:
size_t count_;
WorkQueue<const XmppStanza::XmppMessage *> receive_updates_queue_;
};
class BgpXmppChannelManagerMock : public BgpXmppChannelManager {
public:
BgpXmppChannelManagerMock(XmppServer *xserver, BgpServer *server)
: BgpXmppChannelManager(xserver,server), count(0), server_(server) { }
virtual ~BgpXmppChannelManagerMock() { }
virtual void XmppHandleChannelEvent(XmppChannel *ch, xmps::PeerState st) {
count++;
BgpXmppChannelManager::XmppHandleChannelEvent(ch, st);
}
virtual BgpXmppChannel *CreateChannel(XmppChannel *channel) {
return new BgpXmppChannelMock(channel, server_, this);
}
private:
int count;
BgpServer *server_;
};
class RoutingInstanceManagerTest : public RoutingInstanceMgr {
public:
explicit RoutingInstanceManagerTest(BgpServer *server) :
RoutingInstanceMgr(server) {
}
virtual ~RoutingInstanceManagerTest() { }
private:
};
class PeerRibMembershipManagerTest : public PeerRibMembershipManager {
public:
explicit PeerRibMembershipManagerTest(BgpServer *server) :
PeerRibMembershipManager(server), registered(false), callback(NULL) {
}
virtual ~PeerRibMembershipManagerTest() {
}
MOCK_METHOD3(Unregister, void(IPeer *, BgpTable *,
MembershipRequest::NotifyCompletionFn));
MOCK_METHOD5(Register, void(IPeer *, BgpTable *, const RibExportPolicy &,
int, MembershipRequest::NotifyCompletionFn));
void MockRegister(IPeer *peer, BgpTable *table, const RibExportPolicy &policy,
int inst_id, MembershipRequest::NotifyCompletionFn fn) {
PeerRibMembershipManager::Register(peer, table, policy, inst_id, fn);
return;
}
void MockUnregister(IPeer *peer, BgpTable *table,
MembershipRequest::NotifyCompletionFn fn) {
PeerRibMembershipManager::Unregister(peer, table, fn);
return;
}
private:
void TimerExpired(const boost::system::error_code &error);
bool registered;
MembershipRequest::NotifyCompletionFn callback;
};
class BgpXmppChannelTest : public ::testing::Test {
public:
bool PeerRegistered(BgpXmppChannel *channel, std::string instance_name,
bool check_registered) {
RoutingInstanceMgr *instance_mgr = server_->routing_instance_mgr();
RoutingInstance *rt_instance =
instance_mgr->GetRoutingInstance(instance_name);
EXPECT_FALSE(rt_instance == NULL);
BgpTable *table = rt_instance->GetTable(Address::INET);
bool ret =
server_->membership_mgr()->PeerRegistered(channel->Peer(), table);
if (check_registered == false) ret = !ret;
return ret;
}
protected:
virtual void SetUp() {
ConcurrencyScope scope("bgp::Config");
BgpObjectFactory::Register<RoutingInstanceMgr>(
boost::factory<RoutingInstanceManagerTest *>());
BgpObjectFactory::Register<PeerRibMembershipManager>(
boost::factory<PeerRibMembershipManagerTest *>());
server_.reset(new BgpServer(&evm_));
enc_.reset(new XmppDocumentMock("agent.contrailsystems.com"));
// Allocate 3 mock XmppChannel to simulate 3 xmpp connections.
a.reset(new XmppChannelMock);
b.reset(new XmppChannelMock);
c.reset(new XmppChannelMock);
master_cfg_.reset(BgpTestUtil::CreateBgpInstanceConfig(
BgpConfigManager::kMasterInstance, "", ""));
blue_cfg_.reset(BgpTestUtil::CreateBgpInstanceConfig("blue",
"target:1.2.3.4:1", "target:1.2.3.4:1"));
red_cfg_.reset(BgpTestUtil::CreateBgpInstanceConfig(
"red", "target:1:2", "target:1:2"));
purple_cfg_.reset(BgpTestUtil::CreateBgpInstanceConfig(
"purple", "target:1:2", "target:1:2"));
TaskScheduler *scheduler = TaskScheduler::GetInstance();
scheduler->Stop();
server_->routing_instance_mgr()->CreateRoutingInstance(
master_cfg_.get());
server_->routing_instance_mgr()->CreateRoutingInstance(blue_cfg_.get());
server_->routing_instance_mgr()->CreateRoutingInstance(red_cfg_.get());
server_->routing_instance_mgr()->CreateRoutingInstance(
purple_cfg_.get());
scheduler->Start();
mgr_.reset(new BgpXmppChannelManagerMock(NULL, server_.get()));
}
virtual void TearDown() {
BGP_DEBUG_UT("TearDown");
server_->Shutdown();
task_util::WaitForIdle();
evm_.Shutdown();
}
void CountInternal(BgpXmppChannel *channel) {
count++;
}
int Count(BgpXmppChannelManagerMock *mgr) {
count = 0;
mgr->VisitChannels(boost::bind(&BgpXmppChannelTest::CountInternal,
this, _1));
return count;
}
string FileRead(const string &filename) {
string content;
fstream file(filename.c_str(), fstream::in);
if (!file) {
BGP_DEBUG_UT("File not found : " << filename);
return content;
}
while (!file.eof()) {
char piece[256];
file.read(piece, sizeof(piece));
content.append(piece, file.gcount());
}
file.close();
return content;
}
std::auto_ptr<XmppStanza::XmppMessageIq> GetSubscribe(string rt_instance_name,
bool subscribe) {
std::auto_ptr<XmppStanza::XmppMessageIq> msg(AllocIq());
pugi::xml_document *doc = subscribe ? enc_->SubscribeXmlDoc(rt_instance_name, 1) :
enc_->UnsubscribeXmlDoc(rt_instance_name, 1);
msg->action = string(subscribe ? "subscribe" : "unsubscribe");
msg->node = rt_instance_name;
msg->dom.reset(GetXmlDoc(doc));
return msg;
}
std::auto_ptr<XmppStanza::XmppMessageIq> RouteAddMsg(string rt_instance_name,
const string &ipa) {
std::auto_ptr<XmppStanza::XmppMessageIq> msg(AllocIq());
pugi::xml_document *doc = enc_->RouteAddXmlDoc(rt_instance_name, ipa);
msg->dom.reset(GetXmlDoc(doc));
msg->node = rt_instance_name;
msg->is_as_node = true;
return msg;
}
std::auto_ptr<XmppStanza::XmppMessageIq> RouteDelMsg(string rt_instance_name,
const string &ipa) {
std::auto_ptr<XmppStanza::XmppMessageIq> msg(AllocIq());
pugi::xml_document *doc = enc_->RouteDeleteXmlDoc(rt_instance_name, ipa);
msg->dom.reset(GetXmlDoc(doc));
msg->node = rt_instance_name;
msg->is_as_node = false;
return msg;
}
BgpServer *server() { return server_.get(); }
BgpXmppChannel *FindChannel(XmppChannel *ch) {
return mgr_->FindChannel(ch);
}
void ReceiveUpdate(XmppChannelMock *channel, XmppStanza::XmppMessage *msg) {
BgpXmppChannelMock *tmp =
static_cast<BgpXmppChannelMock *>(FindChannel(channel));
ASSERT_FALSE(tmp == NULL);
tmp->Enqueue(msg);
task_util::WaitForIdle();
}
scoped_ptr<BgpInstanceConfigTest> master_cfg_;
scoped_ptr<BgpInstanceConfigTest> purple_cfg_;
scoped_ptr<BgpInstanceConfigTest> blue_cfg_;
scoped_ptr<BgpInstanceConfigTest> red_cfg_;
EventManager evm_;
boost::scoped_ptr<BgpServer> server_;
boost::scoped_ptr<BgpXmppChannelManagerMock> mgr_;
boost::scoped_ptr<XmppChannelMock> a;
boost::scoped_ptr<XmppChannelMock> b;
boost::scoped_ptr<XmppChannelMock> c;
int count;
private:
XmppStanza::XmppMessageIq *AllocIq() {
XmppStanza::XmppMessageIq *msg = new XmppStanza::XmppMessageIq();
msg->type = XmppStanza::IQ_STANZA;
msg->iq_type = string("set");
return msg;
}
XmlBase *GetXmlDoc(pugi::xml_document *xdoc) {
ostringstream oss;
xdoc->save(oss);
XmlBase *impl =XmppStanza::AllocXmppXmlImpl(oss.str().c_str());
return impl;
}
boost::scoped_ptr<XmppDocumentMock> enc_;
};
namespace {
// Test for positive cases of XMPP peer register, route add
// peer unregister.
TEST_F(BgpXmppChannelTest, Connection) {
EXPECT_CALL(*(a.get()), RegisterReceive(xmps::BGP, _))
.Times(1);
EXPECT_CALL(*(b.get()), RegisterReceive(xmps::BGP, _))
.Times(1);
EXPECT_CALL(*(c.get()), RegisterReceive(xmps::BGP, _))
.Times(1);
// Generate 3 channel READY event to BgpXmppChannelManagerMock
mgr_->XmppHandleChannelEvent(a.get(), xmps::READY);
mgr_->XmppHandleChannelEvent(b.get(), xmps::READY);
mgr_->XmppHandleChannelEvent(c.get(), xmps::READY);
EXPECT_EQ(3, Count(mgr_.get()));
EXPECT_CALL(*(a.get()), UnRegisterReceive(xmps::BGP))
.Times(1);
EXPECT_CALL(*(b.get()), UnRegisterReceive(xmps::BGP))
.Times(1);
EXPECT_CALL(*(c.get()), UnRegisterReceive(xmps::BGP))
.Times(1);
// Generate channel NON_READY event and verify that.
mgr_->XmppHandleChannelEvent(c.get(), xmps::NOT_READY);
task_util::WaitForIdle();
delete FindChannel(c.get());
mgr_->RemoveChannel(c.get());
EXPECT_EQ(2, Count(mgr_.get()));
PeerRibMembershipManagerTest *mock_manager =
static_cast<PeerRibMembershipManagerTest *>(server_->membership_mgr());
EXPECT_FALSE(mock_manager == NULL);
EXPECT_CALL(*mock_manager, Register(_, _, _, _,_))
.Times(4)
.WillRepeatedly(Invoke(mock_manager,
&PeerRibMembershipManagerTest::MockRegister))
;
EXPECT_CALL(*mock_manager, Unregister(_, _, _))
.Times(4)
.WillRepeatedly(Invoke(mock_manager,
&PeerRibMembershipManagerTest::MockUnregister))
;
// subscribe to routing instance purple
std::auto_ptr<XmppStanza::XmppMessageIq> msg;
msg = GetSubscribe("purple", true);
this->ReceiveUpdate(a.get(), msg.get());
BgpXmppChannel *channel = this->FindChannel(a.get());
ASSERT_FALSE(channel == NULL);
std::string instname = msg->node;
task_util::WaitForCondition(&evm_,
boost::bind(&BgpXmppChannelTest::PeerRegistered, this,
channel, instname, true), 1 /* seconds */);
// Publish route to instance 'purple'
msg = RouteAddMsg("purple", "10.1.1.2");
this->ReceiveUpdate(a.get(), msg.get());
// Delete route from 'purple' instance
msg = RouteDelMsg("purple", "10.1.1.2");
this->ReceiveUpdate(a.get(), msg.get());
// Unsubscribe from 'purple' instance
msg = GetSubscribe("purple", false);
this->ReceiveUpdate(a.get(), msg.get());
// Wait until unregsiter go through
instname = msg->node;
task_util::WaitForCondition(&evm_,
boost::bind(&BgpXmppChannelTest::PeerRegistered, this,
channel, instname, false), 1 /* seconds */);
mgr_->XmppHandleChannelEvent(a.get(), xmps::NOT_READY);
task_util::WaitForIdle();
delete FindChannel(a.get());
mgr_->RemoveChannel(a.get());
mgr_->XmppHandleChannelEvent(b.get(), xmps::NOT_READY);
task_util::WaitForIdle();
delete FindChannel(b.get());
mgr_->RemoveChannel(b.get());
EXPECT_EQ(0, Count(mgr_.get()));
}
}
class TestEnvironment : public ::testing::Environment {
virtual ~TestEnvironment() { }
};
static void SetUp() {
ControlNode::SetDefaultSchedulingPolicy();
BgpServerTest::GlobalSetUp();
BgpObjectFactory::Register<BgpXmppMessageBuilder>(
boost::factory<BgpXmppMessageBuilder *>());
}
static void TearDown() {
TaskScheduler *scheduler = TaskScheduler::GetInstance();
scheduler->Terminate();
}
int main(int argc, char **argv) {
bgp_log_test::init();
ControlNode::SetDefaultSchedulingPolicy();
log4cplus::Logger logger = log4cplus::Logger::getRoot();
logger.setLogLevel(log4cplus::INFO_LOG_LEVEL);
::testing::InitGoogleTest(&argc, argv);
::testing::AddGlobalTestEnvironment(new TestEnvironment());
SetUp();
int result = RUN_ALL_TESTS();
TearDown();
return result;
}