move libsystemd_core.la sources into core/

1 files changed, 304 insertions, 0 deletions

diff --git a/src/core/manager.h b/src/core/manager.h
new file mode 100644
index 0000000000..9ecc926cbf
--- /dev/null
+++ b/src/core/manager.h
@@ -0,0 +1,304 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef foomanagerhfoo
+#define foomanagerhfoo
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <dbus/dbus.h>
+
+#include "fdset.h"
+
+/* Enforce upper limit how many names we allow */
+#define MANAGER_MAX_NAMES 131072 /* 128K */
+
+typedef struct Manager Manager;
+typedef enum WatchType WatchType;
+typedef struct Watch Watch;
+
+typedef enum ManagerExitCode {
+        MANAGER_RUNNING,
+        MANAGER_EXIT,
+        MANAGER_RELOAD,
+        MANAGER_REEXECUTE,
+        MANAGER_REBOOT,
+        MANAGER_POWEROFF,
+        MANAGER_HALT,
+        MANAGER_KEXEC,
+        _MANAGER_EXIT_CODE_MAX,
+        _MANAGER_EXIT_CODE_INVALID = -1
+} ManagerExitCode;
+
+typedef enum ManagerRunningAs {
+        MANAGER_SYSTEM,
+        MANAGER_USER,
+        _MANAGER_RUNNING_AS_MAX,
+        _MANAGER_RUNNING_AS_INVALID = -1
+} ManagerRunningAs;
+
+enum WatchType {
+        WATCH_INVALID,
+        WATCH_SIGNAL,
+        WATCH_NOTIFY,
+        WATCH_FD,
+        WATCH_UNIT_TIMER,
+        WATCH_JOB_TIMER,
+        WATCH_MOUNT,
+        WATCH_SWAP,
+        WATCH_UDEV,
+        WATCH_DBUS_WATCH,
+        WATCH_DBUS_TIMEOUT
+};
+
+struct Watch {
+        int fd;
+        WatchType type;
+        union {
+                struct Unit *unit;
+                struct Job *job;
+                DBusWatch *bus_watch;
+                DBusTimeout *bus_timeout;
+        } data;
+        bool fd_is_dupped:1;
+        bool socket_accept:1;
+};
+
+#include "unit.h"
+#include "job.h"
+#include "hashmap.h"
+#include "list.h"
+#include "set.h"
+#include "dbus.h"
+#include "path-lookup.h"
+
+struct Manager {
+        /* Note that the set of units we know of is allowed to be
+         * inconsistent. However the subset of it that is loaded may
+         * not, and the list of jobs may neither. */
+
+        /* Active jobs and units */
+        Hashmap *units;  /* name string => Unit object n:1 */
+        Hashmap *jobs;   /* job id => Job object 1:1 */
+
+        /* To make it easy to iterate through the units of a specific
+         * type we maintain a per type linked list */
+        LIST_HEAD(Unit, units_by_type[_UNIT_TYPE_MAX]);
+
+        /* Units that need to be loaded */
+        LIST_HEAD(Unit, load_queue); /* this is actually more a stack than a queue, but uh. */
+
+        /* Jobs that need to be run */
+        LIST_HEAD(Job, run_queue);   /* more a stack than a queue, too */
+
+        /* Units and jobs that have not yet been announced via
+         * D-Bus. When something about a job changes it is added here
+         * if it is not in there yet. This allows easy coalescing of
+         * D-Bus change signals. */
+        LIST_HEAD(Unit, dbus_unit_queue);
+        LIST_HEAD(Job, dbus_job_queue);
+
+        /* Units to remove */
+        LIST_HEAD(Unit, cleanup_queue);
+
+        /* Units to check when doing GC */
+        LIST_HEAD(Unit, gc_queue);
+
+        /* Jobs to be added */
+        Hashmap *transaction_jobs;      /* Unit object => Job object list 1:1 */
+        JobDependency *transaction_anchor;
+
+        Hashmap *watch_pids;  /* pid => Unit object n:1 */
+
+        char *notify_socket;
+
+        Watch notify_watch;
+        Watch signal_watch;
+
+        int epoll_fd;
+
+        unsigned n_snapshots;
+
+        LookupPaths lookup_paths;
+        Set *unit_path_cache;
+
+        char **environment;
+        char **default_controllers;
+
+        usec_t runtime_watchdog;
+        usec_t shutdown_watchdog;
+
+        dual_timestamp initrd_timestamp;
+        dual_timestamp startup_timestamp;
+        dual_timestamp finish_timestamp;
+
+        char *generator_unit_path;
+
+        /* Data specific to the device subsystem */
+        struct udev* udev;
+        struct udev_monitor* udev_monitor;
+        Watch udev_watch;
+        Hashmap *devices_by_sysfs;
+
+        /* Data specific to the mount subsystem */
+        FILE *proc_self_mountinfo;
+        Watch mount_watch;
+
+        /* Data specific to the swap filesystem */
+        FILE *proc_swaps;
+        Hashmap *swaps_by_proc_swaps;
+        bool request_reload;
+        Watch swap_watch;
+
+        /* Data specific to the D-Bus subsystem */
+        DBusConnection *api_bus, *system_bus;
+        DBusServer *private_bus;
+        Set *bus_connections, *bus_connections_for_dispatch;
+
+        DBusMessage *queued_message; /* This is used during reloading:
+                                      * before the reload we queue the
+                                      * reply message here, and
+                                      * afterwards we send it */
+        DBusConnection *queued_message_connection; /* The connection to send the queued message on */
+
+        Hashmap *watch_bus;  /* D-Bus names => Unit object n:1 */
+        int32_t name_data_slot;
+        int32_t conn_data_slot;
+        int32_t subscribed_data_slot;
+
+        uint32_t current_job_id;
+        uint32_t default_unit_job_id;
+
+        /* Data specific to the Automount subsystem */
+        int dev_autofs_fd;
+
+        /* Data specific to the cgroup subsystem */
+        Hashmap *cgroup_bondings; /* path string => CGroupBonding object 1:n */
+        char *cgroup_hierarchy;
+
+        usec_t gc_queue_timestamp;
+        int gc_marker;
+        unsigned n_in_gc_queue;
+
+        /* Make sure the user cannot accidentally unmount our cgroup
+         * file system */
+        int pin_cgroupfs_fd;
+
+        /* Audit fd */
+#ifdef HAVE_AUDIT
+        int audit_fd;
+#endif
+
+        /* Flags */
+        ManagerRunningAs running_as;
+        ManagerExitCode exit_code:5;
+
+        bool dispatching_load_queue:1;
+        bool dispatching_run_queue:1;
+        bool dispatching_dbus_queue:1;
+
+        bool taint_usr:1;
+
+        bool show_status;
+        bool confirm_spawn;
+#ifdef HAVE_SYSV_COMPAT
+        bool sysv_console;
+#endif
+        bool mount_auto;
+        bool swap_auto;
+
+        ExecOutput default_std_output, default_std_error;
+
+        /* non-zero if we are reloading or reexecuting, */
+        int n_reloading;
+
+        unsigned n_installed_jobs;
+        unsigned n_failed_jobs;
+};
+
+int manager_new(ManagerRunningAs running_as, Manager **m);
+void manager_free(Manager *m);
+
+int manager_enumerate(Manager *m);
+int manager_coldplug(Manager *m);
+int manager_startup(Manager *m, FILE *serialization, FDSet *fds);
+
+Job *manager_get_job(Manager *m, uint32_t id);
+Unit *manager_get_unit(Manager *m, const char *name);
+
+int manager_get_unit_from_dbus_path(Manager *m, const char *s, Unit **_u);
+int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j);
+
+int manager_load_unit_prepare(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret);
+int manager_load_unit(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret);
+
+int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, DBusError *e, Job **_ret);
+int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool force, DBusError *e, Job **_ret);
+
+void manager_dump_units(Manager *s, FILE *f, const char *prefix);
+void manager_dump_jobs(Manager *s, FILE *f, const char *prefix);
+
+void manager_transaction_unlink_job(Manager *m, Job *j, bool delete_dependencies);
+
+void manager_clear_jobs(Manager *m);
+
+unsigned manager_dispatch_load_queue(Manager *m);
+unsigned manager_dispatch_run_queue(Manager *m);
+unsigned manager_dispatch_dbus_queue(Manager *m);
+
+int manager_set_default_controllers(Manager *m, char **controllers);
+
+int manager_loop(Manager *m);
+
+void manager_dispatch_bus_name_owner_changed(Manager *m, const char *name, const char* old_owner, const char *new_owner);
+void manager_dispatch_bus_query_pid_done(Manager *m, const char *name, pid_t pid);
+
+int manager_open_serialization(Manager *m, FILE **_f);
+
+int manager_serialize(Manager *m, FILE *f, FDSet *fds);
+int manager_deserialize(Manager *m, FILE *f, FDSet *fds);
+
+int manager_reload(Manager *m);
+
+bool manager_is_booting_or_shutting_down(Manager *m);
+
+void manager_reset_failed(Manager *m);
+
+void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success);
+void manager_send_unit_plymouth(Manager *m, Unit *u);
+
+bool manager_unit_pending_inactive(Manager *m, const char *name);
+
+void manager_check_finished(Manager *m);
+
+void manager_run_generators(Manager *m);
+void manager_undo_generators(Manager *m);
+
+void manager_recheck_journal(Manager *m);
+
+void manager_set_show_status(Manager *m, bool b);
+bool manager_get_show_status(Manager *m);
+
+const char *manager_running_as_to_string(ManagerRunningAs i);
+ManagerRunningAs manager_running_as_from_string(const char *s);
+
+#endif