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82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/*
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* Copyright (c) 2024, 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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#pragma once
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#include <AK/String.h>
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#include <AK/WeakPtr.h>
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#include <LibCore/Process.h>
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#include <LibIPC/Connection.h>
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#include <LibIPC/Transport.h>
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#include <LibWebView/ProcessType.h>
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namespace WebView {
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class Process {
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AK_MAKE_NONCOPYABLE(Process);
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AK_MAKE_DEFAULT_MOVABLE(Process);
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public:
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Process(ProcessType type, RefPtr<IPC::ConnectionBase> connection, Core::Process process);
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~Process();
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template<typename ClientType>
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struct ProcessAndClient;
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template<typename ClientType, typename... ClientArguments>
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static ErrorOr<ProcessAndClient<ClientType>> spawn(ProcessType type, Core::ProcessSpawnOptions const& options, ClientArguments&&... client_arguments);
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ProcessType type() const { return m_type; }
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Optional<String> const& title() const { return m_title; }
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void set_title(Optional<String> title) { m_title = move(title); }
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template<typename ConnectionFromClient>
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Optional<ConnectionFromClient&> client()
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{
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if (auto strong_connection = m_connection.strong_ref())
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return verify_cast<ConnectionFromClient>(*strong_connection);
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return {};
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}
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pid_t pid() const { return m_process.pid(); }
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struct ProcessPaths {
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ByteString socket_path;
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ByteString pid_path;
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};
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static ErrorOr<ProcessPaths> paths_for_process(StringView process_name);
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static ErrorOr<Optional<pid_t>> get_process_pid(StringView process_name, StringView pid_path);
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static ErrorOr<int> create_ipc_socket(ByteString const& socket_path);
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private:
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struct ProcessAndIPCTransport {
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Core::Process process;
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IPC::Transport transport;
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};
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static ErrorOr<ProcessAndIPCTransport> spawn_and_connect_to_process(Core::ProcessSpawnOptions const& options);
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Core::Process m_process;
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ProcessType m_type;
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Optional<String> m_title;
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WeakPtr<IPC::ConnectionBase> m_connection;
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};
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template<typename ClientType>
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struct Process::ProcessAndClient {
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Process process;
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NonnullRefPtr<ClientType> client;
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};
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template<typename ClientType, typename... ClientArguments>
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ErrorOr<Process::ProcessAndClient<ClientType>> Process::spawn(ProcessType type, Core::ProcessSpawnOptions const& options, ClientArguments&&... client_arguments)
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{
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auto [core_process, transport] = TRY(spawn_and_connect_to_process(options));
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auto client = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) ClientType { move(transport), forward<ClientArguments>(client_arguments)... }));
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return ProcessAndClient<ClientType> { Process { type, client, move(core_process) }, client };
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}
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}
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