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cf69f52d53
This has been a longstanding ergonomic issue with our IPC compiler. Non- trivial types were previously passed by const&. So if we wanted to avoid expensive copies, we would have to const_cast and move the data. We now pass ownership of all transferred data to the client subclasses. This allows us to remove const_cast from these methods, and allows us to avoid some trivial expensive copies that we didn't bother to const_cast.
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
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* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/EventLoop.h>
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#include <WebWorker/ConnectionFromClient.h>
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#include <WebWorker/DedicatedWorkerHost.h>
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#include <WebWorker/PageHost.h>
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namespace WebWorker {
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void ConnectionFromClient::close_worker()
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{
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async_did_close_worker();
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// FIXME: Invoke a worker shutdown operation that implements the spec
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m_worker_host = nullptr;
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die();
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}
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void ConnectionFromClient::die()
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{
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// FIXME: When handling multiple workers in the same process,
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// this logic needs to be smarter (only when all workers are dead, etc).
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Core::EventLoop::current().quit(0);
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}
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void ConnectionFromClient::request_file(Web::FileRequest request)
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{
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// FIXME: Route this to FSAS or Brower chrome as appropriate instead of allowing
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// the WebWorker process filesystem access
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auto path = request.path();
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auto request_id = ++last_id;
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m_requested_files.set(request_id, move(request));
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auto file = Core::File::open(path, Core::File::OpenMode::Read);
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if (file.is_error())
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handle_file_return(file.error().code(), {}, request_id);
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else
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handle_file_return(0, IPC::File::adopt_file(file.release_value()), request_id);
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}
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ConnectionFromClient::ConnectionFromClient(IPC::Transport transport)
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: IPC::ConnectionFromClient<WebWorkerClientEndpoint, WebWorkerServerEndpoint>(*this, move(transport), 1)
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, m_page_host(PageHost::create(Web::Bindings::main_thread_vm(), *this))
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{
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}
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ConnectionFromClient::~ConnectionFromClient() = default;
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Web::Page& ConnectionFromClient::page()
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{
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return m_page_host->page();
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}
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Web::Page const& ConnectionFromClient::page() const
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{
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return m_page_host->page();
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}
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void ConnectionFromClient::start_dedicated_worker(URL::URL url, Web::Bindings::WorkerType type, Web::Bindings::RequestCredentials, String name, Web::HTML::TransferDataHolder implicit_port, Web::HTML::SerializedEnvironmentSettingsObject outside_settings)
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{
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m_worker_host = make_ref_counted<DedicatedWorkerHost>(move(url), type, move(name));
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m_worker_host->run(page(), move(implicit_port), outside_settings);
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}
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void ConnectionFromClient::handle_file_return(i32 error, Optional<IPC::File> file, i32 request_id)
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{
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auto file_request = m_requested_files.take(request_id);
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VERIFY(file_request.has_value());
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VERIFY(file_request.value().on_file_request_finish);
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file_request.value().on_file_request_finish(error != 0 ? Error::from_errno(error) : ErrorOr<i32> { file->take_fd() });
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}
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}
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