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authorLennart Poettering <lennart@poettering.net>2009-11-18 00:42:52 +0100
committerLennart Poettering <lennart@poettering.net>2009-11-18 00:42:52 +0100
commit6091827530d6dd43479d6709fb6e9f745c11e900 (patch)
tree3edf7ccdeeb60b634d63e1abcaa8132a6259a331 /name.h
initial commit
Diffstat (limited to 'name.h')
-rw-r--r--name.h270
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