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LibChess: Allow UCIEndpoint to handle unexpected disconnections

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This commit is contained in:
Tim Ledbetter 2023-04-02 21:02:17 +01:00 • committed by Sam Atkins
parent bf320e4826
commit 680d4e34d5
2 changed files with 18 additions and 0 deletions
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13
Userland/Libraries/LibChess/UCIEndpoint.cpp
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@ -56,14 +56,27 @@ void Endpoint::event(Core::Event& event)
case Command::Type::Quit:
return handle_quit();
default:
Object::event(event);
break;
}
}
void Endpoint::custom_event(Core::CustomEvent& custom_event)
{
if (custom_event.custom_type() == EndpointEventType::UnexpectedEof)
handle_unexpected_eof();
}
void Endpoint::set_in_notifier()
{
m_in_notifier = Core::Notifier::construct(m_in->fd(), Core::Notifier::Read);
m_in_notifier->on_ready_to_read = [this] {
if (!m_in->can_read_line()) {
Core::EventLoop::current().post_event(*this, make<Core::CustomEvent>(EndpointEventType::UnexpectedEof));
m_in_notifier->set_enabled(false);
return;
}
while (m_in->can_read_line())
Core::EventLoop::current().post_event(*this, read_command());
};

5
Userland/Libraries/LibChess/UCIEndpoint.h
View file

@ -31,6 +31,7 @@ public:
virtual void handle_bestmove(BestMoveCommand const&) { }
virtual void handle_info(InfoCommand const&) { }
virtual void handle_quit() { }
virtual void handle_unexpected_eof() { }
void send_command(Command const&);
@ -49,8 +50,12 @@ public:
protected:
Endpoint() = default;
Endpoint(NonnullRefPtr<Core::IODevice> in, NonnullRefPtr<Core::IODevice> out);
virtual void custom_event(Core::CustomEvent&) override;
private:
enum EndpointEventType {
UnexpectedEof
};
void set_in_notifier();
NonnullOwnPtr<Command> read_command();