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LibIPC: Allow overriding the use of deferred_invoke()

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This will allow Ladybird to use IPC::Connection without having an
actively running Core::EventLoop.

The abstraction here is not great, and we should think of something
nicer, but we have to start somewhere.
This commit is contained in:
Andreas Kling 2022-10-05 20:09:55 +02:00
parent f877782117
commit b5681992e1
2 changed files with 33 additions and 6 deletions
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16
Userland/Libraries/LibIPC/Connection.h
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@ -27,6 +27,13 @@
namespace IPC {
// NOTE: This is an abstraction to allow using IPC::Connection without a Core::EventLoop.
// FIXME: It's not particularly nice, think of something nicer.
struct DeferredInvoker {
virtual ~DeferredInvoker() = default;
virtual void schedule(Function<void()>) = 0;
};
class ConnectionBase : public Core::Object {
C_OBJECT_ABSTRACT(ConnectionBase);
@ -34,6 +41,7 @@ public:
virtual ~ConnectionBase() override = default;
void set_fd_passing_socket(NonnullOwnPtr<Core::Stream::LocalSocket>);
void set_deferred_invoker(NonnullOwnPtr<DeferredInvoker>);
bool is_open() const { return m_socket->is_open(); }
ErrorOr<void> post_message(Message const&);
@ -41,12 +49,12 @@ public:
void shutdown();
virtual void die() { }
protected:
explicit ConnectionBase(IPC::Stub&, NonnullOwnPtr<Core::Stream::LocalSocket>, u32 local_endpoint_magic);
Core::Stream::LocalSocket& socket() { return *m_socket; }
Core::Stream::LocalSocket& fd_passing_socket();
protected:
explicit ConnectionBase(IPC::Stub&, NonnullOwnPtr<Core::Stream::LocalSocket>, u32 local_endpoint_magic);
virtual void may_have_become_unresponsive() { }
virtual void did_become_responsive() { }
virtual void try_parse_messages(Vector<u8> const& bytes, size_t& index) = 0;
@ -71,6 +79,8 @@ protected:
ByteBuffer m_unprocessed_bytes;
u32 m_local_endpoint_magic { 0 };
NonnullOwnPtr<DeferredInvoker> m_deferred_invoker;
};
template<typename LocalEndpoint, typename PeerEndpoint>