X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=manager.h;h=b2b93e9b45f9cd0fd04e8143363d436015b02b7f;hp=53cacdfb2e9d8ccab896ac7fcc9a7135c777e807;hb=86fbf370855aaa0c6e04d17bdd1d9d0c81bc5101;hpb=6091827530d6dd43479d6709fb6e9f745c11e900 diff --git a/manager.h b/manager.h index 53cacdfb2..b2b93e9b4 100644 --- a/manager.h +++ b/manager.h @@ -5,37 +5,125 @@ #include #include +#include + +#include 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 +}; -#include "name.h" +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; - /* Active jobs and names */ - Hashmap *names; /* name string => Name object n:1 */ + /* 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 */ - /* Names that need to be loaded */ + /* 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 to be added resp. removed. */ - Hashmap *jobs_to_add; /* Name object => Job object 1:1 */ - Set *jobs_to_remove; + /* 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); -Name *manager_get_name(Manager *m, const char *name); +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_load_name(Manager *m, const char *name, Name **_ret); -int manager_add_job(Manager *m, JobType job, Name *name, JobMode mode, Job **_ret); +int manager_loop(Manager *m); #endif