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#include <library/cpp/actors/interconnect/ut/lib/ic_test_cluster.h>
#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/digest/md5/md5.h>
#include <util/random/fast.h>
using namespace NActors;
class TSenderActor : public TActorBootstrapped<TSenderActor> {
const TActorId Recipient;
using TSessionToCookie = std::unordered_multimap<TActorId, ui64, THash<TActorId>>;
TSessionToCookie SessionToCookie;
std::unordered_map<ui64, std::pair<TSessionToCookie::iterator, TString>> InFlight;
std::unordered_map<ui64, TString> Tentative;
ui64 NextCookie = 0;
TActorId SessionId;
bool SubscribeInFlight = false;
public:
TSenderActor(TActorId recipient)
: Recipient(recipient)
{}
void Bootstrap() {
Become(&TThis::StateFunc);
Subscribe();
}
void Subscribe() {
Cerr << (TStringBuilder() << "Subscribe" << Endl);
Y_VERIFY(!SubscribeInFlight);
SubscribeInFlight = true;
Send(TActivationContext::InterconnectProxy(Recipient.NodeId()), new TEvents::TEvSubscribe);
}
void IssueQueries() {
if (!SessionId) {
return;
}
while (InFlight.size() < 10) {
size_t len = RandomNumber<size_t>(65536) + 1;
TString data = TString::Uninitialized(len);
TReallyFastRng32 rng(RandomNumber<ui32>());
char *p = data.Detach();
for (size_t i = 0; i < len; ++i) {
p[i] = rng();
}
const TSessionToCookie::iterator s2cIt = SessionToCookie.emplace(SessionId, NextCookie);
InFlight.emplace(NextCookie, std::make_tuple(s2cIt, MD5::CalcRaw(data)));
TActivationContext::Send(new IEventHandle(TEvents::THelloWorld::Ping, IEventHandle::FlagTrackDelivery, Recipient,
SelfId(), MakeIntrusive<TEventSerializedData>(std::move(data), false), NextCookie));
// Cerr << (TStringBuilder() << "Send# " << NextCookie << Endl);
++NextCookie;
}
}
void HandlePong(TAutoPtr<IEventHandle> ev) {
// Cerr << (TStringBuilder() << "Receive# " << ev->Cookie << Endl);
if (const auto it = InFlight.find(ev->Cookie); it != InFlight.end()) {
auto& [s2cIt, hash] = it->second;
Y_VERIFY(hash == ev->GetChainBuffer()->GetString());
SessionToCookie.erase(s2cIt);
InFlight.erase(it);
} else if (const auto it = Tentative.find(ev->Cookie); it != Tentative.end()) {
Y_VERIFY(it->second == ev->GetChainBuffer()->GetString());
Tentative.erase(it);
} else {
Y_FAIL("Cookie# %" PRIu64, ev->Cookie);
}
IssueQueries();
}
void Handle(TEvInterconnect::TEvNodeConnected::TPtr ev) {
Cerr << (TStringBuilder() << "TEvNodeConnected" << Endl);
Y_VERIFY(SubscribeInFlight);
SubscribeInFlight = false;
Y_VERIFY(!SessionId);
SessionId = ev->Sender;
IssueQueries();
}
void Handle(TEvInterconnect::TEvNodeDisconnected::TPtr ev) {
Cerr << (TStringBuilder() << "TEvNodeDisconnected" << Endl);
SubscribeInFlight = false;
if (SessionId) {
Y_VERIFY(SessionId == ev->Sender);
auto r = SessionToCookie.equal_range(SessionId);
for (auto it = r.first; it != r.second; ++it) {
const auto inFlightIt = InFlight.find(it->second);
Y_VERIFY(inFlightIt != InFlight.end());
Tentative.emplace(inFlightIt->first, inFlightIt->second.second);
InFlight.erase(it->second);
}
SessionToCookie.erase(r.first, r.second);
SessionId = TActorId();
}
Schedule(TDuration::MilliSeconds(100), new TEvents::TEvWakeup);
}
void Handle(TEvents::TEvUndelivered::TPtr ev) {
Cerr << (TStringBuilder() << "TEvUndelivered Cookie# " << ev->Cookie << Endl);
if (const auto it = InFlight.find(ev->Cookie); it != InFlight.end()) {
auto& [s2cIt, hash] = it->second;
Tentative.emplace(it->first, hash);
SessionToCookie.erase(s2cIt);
InFlight.erase(it);
IssueQueries();
}
}
STRICT_STFUNC(StateFunc,
fFunc(TEvents::THelloWorld::Pong, HandlePong);
hFunc(TEvInterconnect::TEvNodeConnected, Handle);
hFunc(TEvInterconnect::TEvNodeDisconnected, Handle);
hFunc(TEvents::TEvUndelivered, Handle);
cFunc(TEvents::TSystem::Wakeup, Subscribe);
)
};
class TRecipientActor : public TActor<TRecipientActor> {
public:
TRecipientActor()
: TActor(&TThis::StateFunc)
{}
void HandlePing(TAutoPtr<IEventHandle>& ev) {
const TString& data = ev->GetChainBuffer()->GetString();
const TString& response = MD5::CalcRaw(data);
TActivationContext::Send(new IEventHandle(TEvents::THelloWorld::Pong, 0, ev->Sender, SelfId(),
MakeIntrusive<TEventSerializedData>(response, false), ev->Cookie));
}
STRICT_STFUNC(StateFunc,
fFunc(TEvents::THelloWorld::Ping, HandlePing);
)
};
Y_UNIT_TEST_SUITE(Interconnect) {
Y_UNIT_TEST(SessionContinuation) {
TTestICCluster cluster(2);
const TActorId recipient = cluster.RegisterActor(new TRecipientActor, 1);
cluster.RegisterActor(new TSenderActor(recipient), 2);
for (ui32 i = 0; i < 100; ++i) {
const ui32 nodeId = 1 + RandomNumber(2u);
const ui32 peerNodeId = 3 - nodeId;
const ui32 action = RandomNumber(3u);
auto *node = cluster.GetNode(nodeId);
TActorId proxyId = node->InterconnectProxy(peerNodeId);
switch (action) {
case 0:
node->Send(proxyId, new TEvInterconnect::TEvClosePeerSocket);
Cerr << (TStringBuilder() << "nodeId# " << nodeId << " peerNodeId# " << peerNodeId
<< " TEvClosePeerSocket" << Endl);
break;
case 1:
node->Send(proxyId, new TEvInterconnect::TEvCloseInputSession);
Cerr << (TStringBuilder() << "nodeId# " << nodeId << " peerNodeId# " << peerNodeId
<< " TEvCloseInputSession" << Endl);
break;
case 2:
node->Send(proxyId, new TEvInterconnect::TEvPoisonSession);
Cerr << (TStringBuilder() << "nodeId# " << nodeId << " peerNodeId# " << peerNodeId
<< " TEvPoisonSession" << Endl);
break;
default:
Y_FAIL();
}
Sleep(TDuration::MilliSeconds(RandomNumber<ui32>(500) + 100));
}
}
}
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