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LibWeb: Post all MessagePort messages over their LocalSockets

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This is to allow future changes to do cross-process MessagePorts in an
implementation-agnostic way. Add some tests for this behavior.

Delivering messages that were posted to a MessagePort just before it was
transferred is not yet implemented still.
This commit is contained in:
Andrew Kaster 2023-12-19 15:28:56 -07:00 • committed by Andrew Kaster
parent 6e3b816763
commit c0f50b12a4
Notes: sideshowbarker 2024-07-16 22:11:09 +09:00
7 changed files with 301 additions and 52 deletions
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13
Userland/Libraries/LibWeb/HTML/MessagePort.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -70,6 +71,10 @@ private:
void disentangle();
WebIDL::ExceptionOr<void> message_port_post_message_steps(JS::GCPtr<MessagePort> target_port, JS::Value message, StructuredSerializeOptions const& options);
void post_message_task_steps(SerializedTransferRecord&);
void post_port_message(SerializedTransferRecord);
ErrorOr<void> send_message_on_socket(SerializedTransferRecord const&);
void read_from_socket();
// The HTML spec implies(!) that this is MessagePort.[[RemotePort]]
JS::GCPtr<MessagePort> m_remote_port;
@ -78,6 +83,14 @@ private:
bool m_has_been_shipped { false };
OwnPtr<Core::LocalSocket> m_socket;
OwnPtr<Core::LocalSocket> m_fd_passing_socket;
enum class SocketState : u8 {
Header,
Data,
Error,
} m_socket_state { SocketState::Header };
size_t m_socket_incoming_message_size { 0 };
};
}