/*
* Check that RemoveWriteDescriptor is reentrant.
* Similar to the case above, but this removes & deletes the descriptor from
* within the OnRead callback of the same descriptor.
*/
void SelectServerTest::testRemoveWriteWhenReadable() {
// Ownership is transferred to the SelectServer.
LoopbackDescriptor *loopback = new LoopbackDescriptor();
loopback->Init();
loopback->SetOnData(NewCallback(
this, &SelectServerTest::ReadDataAndRemove,
static_cast<ConnectedDescriptor*>(loopback)));
loopback->SetOnWritable(NewCallback(this, &SelectServerTest::NullHandler));
OLA_ASSERT_TRUE(m_ss->AddReadDescriptor(loopback));
OLA_ASSERT_TRUE(m_ss->AddWriteDescriptor(loopback));
OLA_ASSERT_EQ(2, connected_read_descriptor_count->Get());
OLA_ASSERT_EQ(1, write_descriptor_count->Get());
OLA_ASSERT_EQ(0, read_descriptor_count->Get());
// Send some data to make this descriptor readable.
uint8_t data[] = {'a'};
loopback->Send(data, arraysize(data));
m_ss->Run();
OLA_ASSERT_EQ(0, write_descriptor_count->Get());
OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());
OLA_ASSERT_EQ(0, read_descriptor_count->Get());
}
/*
* Check that RemoveWriteDescriptor is reentrant.
* We use the Execute() method to close a write descriptor during the same
* cycle in which it becomes writeable. See
* https://github.com/OpenLightingProject/ola/pull/429 for details.
*/
void SelectServerTest::testRemoveWriteWhenOtherReadable() {
Descriptors read_set, write_set, delete_set;
LoopbackDescriptor *loopback = new LoopbackDescriptor();
loopback->Init();
loopback->SetOnWritable(NewCallback(this, &SelectServerTest::NullHandler));
write_set.insert(loopback);
delete_set.insert(loopback);
OLA_ASSERT_TRUE(m_ss->AddWriteDescriptor(loopback));
OLA_ASSERT_EQ(1, write_descriptor_count->Get());
OLA_ASSERT_EQ(0, read_descriptor_count->Get());
m_ss->Execute(NewSingleCallback(
this, &SelectServerTest::RemoveAndDeleteDescriptors,
read_set, write_set, delete_set));
m_ss->Run();
OLA_ASSERT_EQ(0, write_descriptor_count->Get());
OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());
OLA_ASSERT_EQ(0, read_descriptor_count->Get());
}
