diff options
Diffstat (limited to 'name.h')
| -rw-r--r-- | name.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/name.h b/name.h new file mode 100644 index 0000000000..3b364f00f3 --- /dev/null +++ b/name.h @@ -0,0 +1,270 @@ +/*-*- Mode: C; c-basic-offset: 8 -*-*/ + +#ifndef foonamehfoo +#define foonamehfoo + +#include <stdbool.h> +#include <stdlib.h> + +typedef union Name Name; +typedef struct Meta Meta; +typedef struct Service Service; +typedef struct Timer Timer; +typedef struct Socket Socket; +typedef struct Milestone Milestone; +typedef struct Device Device; +typedef struct Mount Mount; +typedef struct Automount Automount; +typedef struct Snapshot Snapshot; + +#include "job.h" +#include "manager.h" +#include "set.h" +#include "util.h" +#include "list.h" + +typedef enum NameType { + NAME_SERVICE = 0, + NAME_TIMER, + NAME_SOCKET, + NAME_MILESTONE, + NAME_DEVICE, + NAME_MOUNT, + NAME_AUTOMOUNT, + NAME_SNAPSHOT, + _NAME_TYPE_MAX, + _NAME_TYPE_INVALID = -1, +} NameType; + +typedef enum NameState { + NAME_STUB, + NAME_LOADED, + NAME_FAILED +} NameState; + +struct Meta { + Manager *manager; + NameType type; + NameState state; + + char **names; + + /* Positive dependencies */ + Set *requires, *soft_requires, *wants, *requisite, *soft_requisite; + Set *required_by; /* inverse of 'requires', 'soft_requires', 'requisite' and 'soft_requisite' is 'required_by' */ + + /* Negative dependencies */ + Set *conflicts; /* inverse of 'conflicts' is 'conflicts' */ + + /* Order */ + Set *before, *after; /* inverse of before is after and vice versa */ + + /* Information */ + char *description; + + /* If there is something to do with this name, then this is + * the job for it */ + Job *job; + + bool linked:1; + + /* Load queue */ + LIST_FIELDS(Meta); +}; + +typedef enum ServiceState { + SERVICE_DEAD, + SERVICE_BEFORE, + SERVICE_START_PRE, + SERVICE_START, + SERVICE_START_POST, + SERVICE_RUNNING, + SERVICE_RELOAD_PRE, + SERVICE_RELOAD, + SERVICE_RELOAD_POST, + SERVICE_STOP_PRE, + SERVICE_STOP, + SERVICE_SIGTERM, + SERVICE_SIGKILL, + SERVICE_STOP_POST, + SERVICE_HOLDOFF, + SERVICE_MAINTAINANCE +} ServiceState; + +typedef enum ServiceMode { + SERVICE_ONCE, + SERVICE_RESTART +} ServiceMode; + +struct Service { + Meta meta; + + ServiceState state; + ServiceMode mode; +}; + +typedef enum TimerState { + TIMER_DEAD, + TIMER_BEFORE, + TIMER_START_PRE, + TIMER_START, + TIMER_START_POST, + TIMER_WAITING, + TIMER_RUNNING, + TIMER_STOP_PRE, + TIMER_STOP, + TIMER_STOP_POST, + TIMER_MAINTAINANCE +} TimerState; + +struct Timer { + Meta meta; + + TimerState state; + Service *subject; + + clockid_t clock_id; + usec_t next_elapse; +}; + +typedef enum SocketState { + SOCKET_DEAD, + SOCKET_BEFORE, + SOCKET_START_PRE, + SOCKET_START, + SOCKET_START_POST, + SOCKET_LISTENING, + SOCKET_RUNNING, + SOCKET_STOP_PRE, + SOCKET_STOP, + SOCKET_STOP_POST, + SOCKET_MAINTAINANCE +} SocketState; + +struct Socket { + Meta meta; + + SocketState state; + int *fds; + unsigned n_fds; + + Service *subject; +}; + +typedef enum MilestoneState { + MILESTONE_DEAD, + MILESTONE_BEFORE, + MILESTONE_ACTIVE +} MilestoneState; + +struct Milestone { + Meta meta; + + MilestoneState state; +}; + +typedef enum DeviceState { + DEVICE_DEAD, + DEVICE_BEFORE, + DEVICE_AVAILABLE +} DeviceState; + +struct Device { + Meta meta; + + DeviceState state; + char *sysfs; +}; + +typedef enum MountState { + MOUNT_DEAD, + MOUNT_BEFORE, + MOUNT_MOUNTED +} MountState; + +struct Mount { + Meta meta; + + MountState state; + char *path; +}; + +typedef enum AutomountState { + AUTOMOUNT_DEAD, + AUTOMOUNT_BEFORE, + AUTOMOUNT_START_PRE, + AUTOMOUNT_START, + AUTOMOUNT_START_POST, + AUTOMOUNT_WAITING, + AUTOMOUNT_RUNNING, + AUTOMOUNT_STOP_PRE, + AUTOMOUNT_STOP, + AUTOMOUNT_STOP_POST, + AUTOMOUNT_MAINTAINANCE +} AutomountState; + +struct Automount { + Meta meta; + + AutomountState state; + char *path; + Mount *subject; +}; + +typedef enum SnapshotState { + SNAPSHOT_DEAD, + SNAPSHOT_BEFORE, + SNAPSHOT_ACTIVE +} SnapshotState; + +struct Snapshot { + Meta meta; + + SnapshotState state; + bool cleanup:1; +}; + +union Name { + Meta meta; + Service service; + Timer timer; + Socket socket; + Milestone milestone; + Device device; + Mount mount; + Automount automount; + Snapshot snapshot; +}; + +/* For casting a name into the various name types */ + +#define DEFINE_CAST(UPPERCASE, MixedCase, lowercase) \ + static inline MixedCase* UPPERCASE(Name *name) { \ + if (name->meta.type != NAME_##UPPERCASE) \ + return NULL; \ + \ + return &name->lowercase; \ + } + +DEFINE_CAST(SERVICE, Service, service); +DEFINE_CAST(TIMER, Timer, timer); +DEFINE_CAST(SOCKET, Socket, socket); +DEFINE_CAST(MILESTONE, Milestone, milestone); +DEFINE_CAST(DEVICE, Device, device); +DEFINE_CAST(MOUNT, Mount, mount); +DEFINE_CAST(AUTOMOUNT, Automount, automount); +DEFINE_CAST(SNAPSHOT, Snapshot, snapshot); + +/* For casting the various name types into a name */ +#define NAME(o) ((Name*) (o)) + +bool name_is_ready(Name *name); +NameType name_type_from_string(const char *n); + +Name *name_new(Manager *m); +void name_free(Name *name); +int name_link(Name *name); + +int name_augment(Name *n); + +#endif |