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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/messagebus/destinationsession.h>
#include <vespa/messagebus/intermediatesession.h>
#include <vespa/messagebus/messagebus.h>
#include <vespa/messagebus/routablequeue.h>
#include <vespa/messagebus/sourcesession.h>
#include <vespa/messagebus/sourcesessionparams.h>
#include <vespa/messagebus/testlib/receptor.h>
#include <vespa/messagebus/routing/routingspec.h>
#include <vespa/messagebus/testlib/simplemessage.h>
#include <vespa/messagebus/testlib/simplereply.h>
#include <vespa/messagebus/testlib/simpleprotocol.h>
#include <vespa/messagebus/testlib/slobrok.h>
#include <vespa/messagebus/testlib/testserver.h>
using namespace mbus;
struct Handler : public IMessageHandler
{
DestinationSession::UP session;
uint32_t cnt;
Handler(MessageBus &mb) : session(), cnt(0) {
session = mb.createDestinationSession("session", true, *this);
}
~Handler() {
session.reset();
}
void handleMessage(Message::UP msg) override {
++cnt;
session->acknowledge(std::move(msg));
}
};
RoutingSpec getRouting() {
return RoutingSpec()
.addTable(RoutingTableSpec("Simple")
.addHop(HopSpec("dst", "test/*/session"))
.addRoute(RouteSpec("test").addHop("dst")));
}
TEST_SETUP(Test);
int
Test::Main()
{
TEST_INIT("loadbalance_test");
Slobrok slobrok;
TestServer src(Identity(""), getRouting(), slobrok);
TestServer dst1(Identity("test/dst1"), getRouting(), slobrok);
TestServer dst2(Identity("test/dst2"), getRouting(), slobrok);
TestServer dst3(Identity("test/dst3"), getRouting(), slobrok);
Handler h1(dst1.mb);
Handler h2(dst2.mb);
Handler h3(dst3.mb);
ASSERT_TRUE(src.waitSlobrok("test/dst1/session"));
ASSERT_TRUE(src.waitSlobrok("test/dst2/session"));
ASSERT_TRUE(src.waitSlobrok("test/dst3/session"));
RoutableQueue queue;
SourceSessionParams params;
params.setTimeout(30.0);
params.setThrottlePolicy(IThrottlePolicy::SP());
SourceSession::UP ss = src.mb.createSourceSession(queue, params);
uint32_t msgCnt = 90;
ASSERT_TRUE(msgCnt % 3 == 0);
for (uint32_t i = 0; i < msgCnt; ++i) {
ss->send(Message::UP(new SimpleMessage("test")), "test");
}
for (uint32_t i = 0; i < 1000; ++i) {
if (queue.size() == msgCnt) {
break;
}
FastOS_Thread::Sleep(10);
}
EXPECT_TRUE(queue.size() == msgCnt);
EXPECT_TRUE(h1.cnt == msgCnt / 3);
EXPECT_TRUE(h2.cnt == msgCnt / 3);
EXPECT_TRUE(h3.cnt == msgCnt / 3);
TEST_DONE();
}
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