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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/messagebus/testlib/custompolicy.h>
#include <vespa/messagebus/testlib/receptor.h>
#include <vespa/messagebus/testlib/simplemessage.h>
#include <vespa/messagebus/testlib/slobrok.h>
#include <vespa/messagebus/testlib/testserver.h>
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/messagebus/emptyreply.h>
#include <vespa/messagebus/errorcode.h>
#include <vespa/messagebus/routing/retrytransienterrorspolicy.h>
using namespace mbus;
class TestData {
public:
Slobrok _slobrok;
RetryTransientErrorsPolicy::SP _retryPolicy;
TestServer _srcServer;
SourceSession::UP _srcSession;
Receptor _srcHandler;
TestServer _dstServer;
DestinationSession::UP _fooSession;
Receptor _fooHandler;
DestinationSession::UP _barSession;
Receptor _barHandler;
DestinationSession::UP _bazSession;
Receptor _bazHandler;
public:
TestData();
~TestData();
bool start();
};
class Test : public vespalib::TestApp {
private:
Message::UP createMessage(const string &msg);
bool testTrace(const std::vector<string> &expected, const Trace &trace);
public:
int Main() override;
void testAdvanced(TestData &data);
};
TEST_APPHOOK(Test);
TestData::~TestData() = default;
TestData::TestData() :
_slobrok(),
_retryPolicy(std::make_shared<RetryTransientErrorsPolicy>()),
_srcServer(MessageBusParams().setRetryPolicy(_retryPolicy).addProtocol(std::make_shared<SimpleProtocol>()),
RPCNetworkParams(_slobrok.config())),
_srcSession(),
_srcHandler(),
_dstServer(MessageBusParams().addProtocol(std::make_shared<SimpleProtocol>()),
RPCNetworkParams(_slobrok.config()).setIdentity(Identity("dst"))),
_fooSession(),
_fooHandler(),
_barSession(),
_barHandler(),
_bazSession(),
_bazHandler()
{
_retryPolicy->setBaseDelay(0);
}
bool
TestData::start()
{
_srcSession = _srcServer.mb.createSourceSession(SourceSessionParams().setReplyHandler(_srcHandler));
if ( ! _srcSession) {
return false;
}
_fooSession = _dstServer.mb.createDestinationSession(DestinationSessionParams().setName("foo").setMessageHandler(_fooHandler));
if ( ! _fooSession) {
return false;
}
_barSession = _dstServer.mb.createDestinationSession(DestinationSessionParams().setName("bar").setMessageHandler(_barHandler));
if ( ! _barSession) {
return false;
}
_bazSession = _dstServer.mb.createDestinationSession(DestinationSessionParams().setName("baz").setMessageHandler(_bazHandler));
if ( ! _bazSession) {
return false;
}
if (!_srcServer.waitSlobrok("dst/*", 3u)) {
return false;
}
return true;
}
Message::UP
Test::createMessage(const string &msg)
{
auto ret = std::make_unique<SimpleMessage>(msg);
ret->getTrace().setLevel(9);
return ret;
}
int
Test::Main()
{
TEST_INIT("routing_test");
TestData data;
ASSERT_TRUE(data.start());
testAdvanced(data); TEST_FLUSH();
TEST_DONE();
}
void
Test::testAdvanced(TestData &data)
{
const duration TIMEOUT = 60s;
IProtocol::SP protocol(new SimpleProtocol());
auto &simple = dynamic_cast<SimpleProtocol&>(*protocol);
simple.addPolicyFactory("Custom", SimpleProtocol::IPolicyFactory::SP(new CustomPolicyFactory(false, ErrorCode::NO_ADDRESS_FOR_SERVICE)));
data._srcServer.mb.putProtocol(protocol);
data._srcServer.mb.setupRouting(RoutingSpec().addTable(RoutingTableSpec(SimpleProtocol::NAME)
.addHop(HopSpec("bar", "dst/bar"))
.addHop(HopSpec("baz", "dst/baz"))
.addRoute(RouteSpec("baz").addHop("baz"))));
string route = vespalib::make_string("[Custom:%s,bar,route:baz,dst/cox,?dst/unknown]",
data._fooSession->getConnectionSpec().c_str());
EXPECT_TRUE(data._srcSession->send(createMessage("msg"), Route::parse(route)).isAccepted());
// Initial send.
Message::UP msg = data._fooHandler.getMessage(TIMEOUT);
ASSERT_TRUE(msg);
data._fooSession->acknowledge(std::move(msg));
msg = data._barHandler.getMessage(TIMEOUT);
ASSERT_TRUE(msg);
Reply::UP reply = std::make_unique<EmptyReply>();
reply->swapState(*msg);
reply->addError(Error(ErrorCode::TRANSIENT_ERROR, "bar"));
data._barSession->reply(std::move(reply));
msg = data._bazHandler.getMessage(TIMEOUT);
ASSERT_TRUE(msg);
reply = std::make_unique<EmptyReply>();
reply->swapState(*msg);
reply->addError(Error(ErrorCode::TRANSIENT_ERROR, "baz1"));
data._bazSession->reply(std::move(reply));
// First retry.
msg = data._fooHandler.getMessageNow();
ASSERT_FALSE(msg);
msg = data._barHandler.getMessage(TIMEOUT);
ASSERT_TRUE(msg);
data._barSession->acknowledge(std::move(msg));
msg = data._bazHandler.getMessage(TIMEOUT);
ASSERT_TRUE(msg);
reply = std::make_unique<EmptyReply>();
reply->swapState(*msg);
reply->addError(Error(ErrorCode::TRANSIENT_ERROR, "baz2"));
data._bazSession->reply(std::move(reply));
// Second retry.
msg = data._fooHandler.getMessageNow();
ASSERT_FALSE(msg);
msg = data._barHandler.getMessageNow();
ASSERT_FALSE(msg);
msg = data._bazHandler.getMessage(TIMEOUT);
ASSERT_TRUE(msg);
reply = std::make_unique<EmptyReply>();
reply->swapState(*msg);
reply->addError(Error(ErrorCode::FATAL_ERROR, "baz3"));
data._bazSession->reply(std::move(reply));
// Done.
reply = data._srcHandler.getReply();
ASSERT_TRUE(reply);
printf("%s", reply->getTrace().toString().c_str());
EXPECT_EQUAL(2u, reply->getNumErrors());
EXPECT_EQUAL((uint32_t)ErrorCode::FATAL_ERROR, reply->getError(0).getCode());
EXPECT_EQUAL((uint32_t)ErrorCode::NO_ADDRESS_FOR_SERVICE, reply->getError(1).getCode());
}
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