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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@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/RefPtr.h>
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#include <AK/String.h>
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#include <LibCore/Account.h>
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#include <LibCore/ElapsedTimer.h>
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#include <LibCore/Notifier.h>
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#include <LibCore/Object.h>
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class Service final : public Core::Object {
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C_OBJECT(Service)
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public:
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bool is_enabled() const;
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void activate();
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void did_exit(int exit_code);
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static Service* find_by_pid(pid_t);
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// FIXME: Port to Core::Property
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void save_to(JsonObject&);
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private:
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Service(const Core::ConfigFile&, const StringView& name);
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void spawn(int socket_fd = -1);
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/// SocketDescriptor describes the details of a single socket that was
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/// requested by a service.
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struct SocketDescriptor {
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/// The path of the socket.
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String path;
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/// File descriptor of the socket. -1 if the socket hasn't been opened.
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int fd { -1 };
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/// File permissions of the socket.
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mode_t permissions;
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};
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// Path to the executable. By default this is /bin/{m_name}.
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String m_executable_path;
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// Extra arguments, starting from argv[1], to pass when exec'ing.
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Vector<String> m_extra_arguments;
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// File path to open as stdio fds.
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String m_stdio_file_path;
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int m_priority { 1 };
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// Whether we should re-launch it if it exits.
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bool m_keep_alive { false };
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// Whether we should accept connections on the socket and pass the accepted
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// (and not listening) socket to the service. This requires a multi-instance
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// service.
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bool m_accept_socket_connections { false };
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// Whether we should only spawn this service once somebody connects to the socket.
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bool m_lazy;
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// The name of the user we should run this service as.
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String m_user;
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// The working directory in which to spawn the service.
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String m_working_directory;
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// Boot modes to run this service in. By default, this is the graphical mode.
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Vector<String> m_boot_modes;
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// Whether several instances of this service can run at once.
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bool m_multi_instance { false };
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// Environment variables to pass to the service.
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Vector<String> m_environment;
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// Socket descriptors for this service.
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Vector<SocketDescriptor> m_sockets;
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// The resolved user account to run this service as.
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Optional<Core::Account> m_account;
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// For single-instance services, PID of the running instance of this service.
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pid_t m_pid { -1 };
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RefPtr<Core::Notifier> m_socket_notifier;
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// Timer since we last spawned the service.
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Core::ElapsedTimer m_run_timer;
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// How many times we have tried to restart this service, only counting those
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// times where it has exited unsuccessfully and too quickly.
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int m_restart_attempts { 0 };
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void setup_socket(SocketDescriptor&);
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void setup_sockets();
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void setup_notifier();
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void handle_socket_connection();
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};
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