/*-*- Mode: C; c-basic-offset: 8 -*-*/ #ifndef foomanagerhfoo #define foomanagerhfoo #include <stdbool.h> #include <inttypes.h> #include <stdio.h> #include <dbus/dbus.h> typedef struct Manager Manager; typedef enum WatchType WatchType; typedef struct Watch Watch; enum WatchType { WATCH_INVALID, WATCH_SIGNAL, WATCH_FD, WATCH_TIMER, WATCH_MOUNT, WATCH_UDEV, WATCH_DBUS_WATCH, WATCH_DBUS_TIMEOUT }; struct Watch { int fd; WatchType type; bool fd_is_dupped; union { union Unit *unit; DBusWatch *bus_watch; DBusTimeout *bus_timeout; } data; }; #include "unit.h" #include "job.h" #include "hashmap.h" #include "list.h" #include "set.h" #include "dbus.h" #define SPECIAL_DEFAULT_TARGET "default.target" #define SPECIAL_SYSLOG_SERVICE "syslog.service" #define SPECIAL_DBUS_SERVICE "messagebus.service" #define SPECIAL_LOGGER_SOCKET "systemd-logger.socket" #define SPECIAL_KBREQUEST_TARGET "kbrequest.target" #define SPECIAL_CTRL_ALT_DEL_TARGET "ctrl-alt-del.target" struct Manager { uint32_t current_job_id; /* Note that the set of units we know of is allowed to be * incosistent. 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(Meta, units_per_type[_UNIT_TYPE_MAX]); /* Units that need to be loaded */ LIST_HEAD(Meta, 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 */ /* Jobs to be added */ Hashmap *transaction_jobs; /* Unit object => Job object list 1:1 */ JobDependency *transaction_anchor; bool dispatching_load_queue:1; bool dispatching_run_queue:1; bool is_init:1; bool request_bus_dispatch:1; Hashmap *watch_pids; /* pid => Unit object n:1 */ int epoll_fd; Watch signal_watch; /* Data specific to the device subsystem */ struct udev* udev; struct udev_monitor* udev_monitor; Watch udev_watch; /* Data specific to the mount subsystem */ FILE *proc_self_mountinfo; Watch mount_watch; /* Data specific to the D-Bus subsystem */ DBusConnection *bus; }; Manager* manager_new(void); void manager_free(Manager *m); int manager_coldplug(Manager *m); 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(Manager *m, const char *path_or_name, Unit **_ret); int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, 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); void manager_clear_jobs(Manager *m); void manager_dispatch_load_queue(Manager *m); void manager_dispatch_run_queue(Manager *m); int manager_loop(Manager *m); #endif