Zmq: let GetData of an empty message return nullptr

This commit is contained in:
Alexey Rybalchenko 2020-06-04 23:27:11 +02:00
parent 36d4f3c937
commit 79ca436b74
2 changed files with 45 additions and 2 deletions

View File

@ -155,9 +155,17 @@ class Message final : public fair::mq::Message
void* GetData() const override
{
if (!fViewMsg) {
return zmq_msg_data(fMsg.get());
if (zmq_msg_size(fMsg.get()) > 0) {
return zmq_msg_data(fMsg.get());
} else {
return nullptr;
}
} else {
return zmq_msg_data(fViewMsg.get());
if (zmq_msg_size(fViewMsg.get()) > 0) {
return zmq_msg_data(fViewMsg.get());
} else {
return nullptr;
}
}
}

View File

@ -91,6 +91,31 @@ void Alignment(const string& transport)
ASSERT_EQ(reinterpret_cast<uintptr_t>(msg->GetData()) % 64, 0);
}
void EmptyMessage(const string& transport, const string& _address)
{
size_t session{fair::mq::tools::UuidHash()};
std::string address(fair::mq::tools::ToString(_address, "_", transport));
fair::mq::ProgOptions config;
config.SetProperty<string>("session", to_string(session));
auto factory = FairMQTransportFactory::CreateTransportFactory(transport, fair::mq::tools::Uuid(), &config);
FairMQChannel push{"Push", "push", factory};
push.Bind(address);
FairMQChannel pull{"Pull", "pull", factory};
pull.Connect(address);
FairMQMessagePtr outMsg(push.NewMessage());
ASSERT_EQ(outMsg->GetData(), nullptr);
ASSERT_EQ(push.Send(outMsg), 0);
FairMQMessagePtr inMsg(pull.NewMessage());
ASSERT_EQ(pull.Receive(inMsg), 0);
ASSERT_EQ(inMsg->GetData(), nullptr);
}
TEST(Resize, zeromq)
{
RunPushPullWithMsgResize("zeromq", "ipc://test_message_resize");
@ -116,4 +141,14 @@ TEST(Alignment, shmem) // TODO: add test for ZeroMQ once it is implemented
Alignment("shmem");
}
TEST(EmptyMessage, zeromq)
{
EmptyMessage("zeromq", "ipc://test_empty_message");
}
TEST(EmptyMessage, shmem)
{
EmptyMessage("shmem", "ipc://test_empty_message");
}
} // namespace