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/*-*- Mode: C; c-basic-offset: 8 -*-*/
#ifndef foomanagerhfoo
#define foomanagerhfoo
#include <stdbool.h>
#include <inttypes.h>
#include <stdio.h>
typedef struct Manager Manager;
typedef enum WatchType WatchType;
typedef struct Watch Watch;
enum WatchType {
WATCH_INVALID,
WATCH_SIGNAL_FD,
WATCH_FD,
WATCH_TIMER
};
struct Watch {
int fd;
WatchType type;
union Unit *unit;
};
#include "unit.h"
#include "job.h"
#include "hashmap.h"
#include "list.h"
#include "set.h"
typedef enum SpecialUnit {
SPECIAL_SYSLOG_SERVICE,
SPECIAL_DBUS_SERVICE,
SPECIAL_LOGGER_SOCKET,
SPECIAL_CTRL_ALT_DEL_TARGET,
SPECIAL_KBREQUEST_TARGET,
_SPECIAL_UNIT_MAX
} SpecialUnit;
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 */
/* 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;
Hashmap *watch_pids; /* pid => Unit object n:1 */
int epoll_fd;
Watch signal_watch;
Unit *special_units[_SPECIAL_UNIT_MAX]; /* some special units */
};
Manager* manager_new(void);
void manager_free(Manager *m);
Job *manager_get_job(Manager *m, uint32_t id);
Unit *manager_get_unit(Manager *m, const char *name);
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_run_queue(Manager *m);
int manager_loop(Manager *m);
#endif
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