TEST(RequestContext, SimpleTest) {
TEventBase base;
EXPECT_FALSE(RequestContext::create());
EXPECT_TRUE(RequestContext::create());
EXPECT_TRUE(RequestContext::get() != nullptr);
EXPECT_EQ(nullptr, RequestContext::get()->getContextData("test"));
RequestContext::get()->setContextData(
"test",
std::unique_ptr<TestData>(new TestData(10)));
base.runInEventBaseThread([&](){
EXPECT_TRUE(RequestContext::get() != nullptr);
auto data = dynamic_cast<TestData*>(
RequestContext::get()->getContextData("test"))->data_;
EXPECT_EQ(10, data);
base.terminateLoopSoon();
});
auto th = std::thread([&](){
base.loopForever();
});
th.join();
EXPECT_TRUE(RequestContext::get() != nullptr);
auto a = dynamic_cast<TestData*>(
RequestContext::get()->getContextData("test"));
auto data = a->data_;
EXPECT_EQ(10, data);
RequestContext::setContext(std::shared_ptr<RequestContext>());
// There should always be a default context
EXPECT_TRUE(nullptr != RequestContext::get());
}
void async_tm_update(unique_ptr<HandlerCallback<int32_t>> callback,
int32_t currentIndex) override {
auto callbackp = callback.release();
EXPECT_EQ(currentIndex, expectIndex_);
expectIndex_++;
TEventBase *eb = callbackp->getEventBase();
callbackp->resultInThread(currentIndex);
if (expectIndex_ == lastIndex_) {
success_ = true;
eb->runInEventBaseThread([eb] { eb->terminateLoopSoon(); });
}
}
void QueueTest::multiConsumer() {
uint32_t numConsumers = 8;
int numMessages = 10000;
// Create several consumers each running in their own TEventBase thread
vector<QueueConsumer> consumers(numConsumers);
vector<ScopedEventBaseThread> threads(numConsumers);
for (uint32_t consumerIdx = 0; consumerIdx < numConsumers; ++consumerIdx) {
QueueConsumer* consumer = &consumers[consumerIdx];
consumer->fn = [consumer, consumerIdx, this](int value) {
// Treat 0 as a signal to stop.
if (value == 0) {
consumer->stopConsuming();
// Put a message on the terminationQueue to indicate we have stopped
terminationQueue.putMessage(consumerIdx);
}
};
TEventBase* eventBase = threads[consumerIdx].getEventBase();
eventBase->runInEventBaseThread([eventBase, consumer, this] {
consumer->startConsuming(eventBase, &queue);
});
}
// Now add a number of messages from this thread
// Start at 1 rather than 0, since 0 is the signal to stop.
for (int n = 1; n < numMessages; ++n) {
queue.putMessage(n);
}
// Now add a 0 for each consumer, to signal them to stop
for (int n = 0; n < numConsumers; ++n) {
queue.putMessage(0);
}
// Wait until we get notified that all of the consumers have stopped
// We use a separate notification queue for this.
QueueConsumer terminationConsumer;
vector<uint32_t> consumersStopped(numConsumers, 0);
uint32_t consumersRemaining = numConsumers;
terminationConsumer.fn = [&](int consumerIdx) {
--consumersRemaining;
if (consumersRemaining == 0) {
terminationConsumer.stopConsuming();
}
BOOST_REQUIRE(consumerIdx >= 0);
BOOST_REQUIRE(consumerIdx < numConsumers);
++consumersStopped[consumerIdx];
};
TEventBase eventBase;
terminationConsumer.startConsuming(&eventBase, &terminationQueue);
eventBase.loop();
// Verify that we saw exactly 1 stop message for each consumer
for (uint32_t n = 0; n < numConsumers; ++n) {
BOOST_CHECK_EQUAL(consumersStopped[n], 1);
}
// Validate that every message sent to the main queue was received exactly
// once.
vector<int> messageCount(numMessages, 0);
for (uint32_t n = 0; n < numConsumers; ++n) {
for (int msg : consumers[n].messages) {
BOOST_REQUIRE(msg >= 0);
BOOST_REQUIRE(msg < numMessages);
++messageCount[msg];
}
}
// 0 is the signal to stop, and should have been received once by each
// consumer
BOOST_CHECK_EQUAL(messageCount[0], numConsumers);
// All other messages should have been received exactly once
for (int n = 1; n < numMessages; ++n) {
BOOST_CHECK_EQUAL(messageCount[n], 1);
}
}
