X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=manager.h;h=5b72defe03edfb3a794f596b236d0c690720cbe8;hp=287e532b5af379bbac74319bd7aa433416626b5b;hb=2c696a96a2bd63d2ff0d5595622124ef9270b172;hpb=302d0040d2571329b91dd531b670171064ec8302

diff --git a/manager.h b/manager.h
index 287e532b5..5b72defe0 100644
--- a/manager.h
+++ b/manager.h
@@ -3,53 +3,205 @@
 #ifndef foomanagerhfoo
 #define foomanagerhfoo
 
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
 #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;
+
+typedef enum ManagerRunningAs {
+        MANAGER_INIT,      /* root and pid=1 */
+        MANAGER_SYSTEM,    /* root and pid!=1 */
+        MANAGER_SESSION,   /* non-root */
+        _MANAGER_RUNNING_AS_MAX,
+        _MANAGER_RUNNING_AS_INVALID = -1
+} ManagerRunningAs;
+
+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 "name.h"
+#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_LOGGER_SOCKET "systemd-logger.socket"
+#define SPECIAL_KBREQUEST_TARGET "kbrequest.target"
+#define SPECIAL_CTRL_ALT_DEL_TARGET "ctrl-alt-del.target"
+#define SPECIAL_LOCAL_FS_TARGET "local-fs.target"
+#define SPECIAL_NETWORK_TARGET "network.target"
+#define SPECIAL_NSS_LOOKUP_TARGET "nss-lookup.target"     /* LSB's $named */
+#define SPECIAL_RPCBIND_TARGET "rpcbind.target"           /* LSB's $portmap */
+#define SPECIAL_REMOTE_FS_TARGET "remote-fs.target"
+#define SPECIAL_SYSLOG_TARGET "syslog.target"             /* Should pull in syslog.socket or syslog.service */
+#define SPECIAL_RTC_SET_TARGET "rtc-set.target"           /* LSB's $time */
+#define SPECIAL_BASIC_TARGET "basic.target"
+#define SPECIAL_RESCUE_TARGET "rescue.target"
+
+#ifndef SPECIAL_DBUS_SERVICE
+#define SPECIAL_DBUS_SERVICE "dbus.service"
+#endif
+
+#ifndef SPECIAL_SYSLOG_SERVICE
+#define SPECIAL_SYSLOG_SERVICE "syslog.service"
+#endif
+
+/* For SysV compatibility. Usually an alias for a saner target. On
+ * SysV-free systems this doesn't exist. */
+#define SPECIAL_RUNLEVEL0_TARGET "runlevel0.target"
+#define SPECIAL_RUNLEVEL1_TARGET "runlevel1.target"
+#define SPECIAL_RUNLEVEL2_TARGET "runlevel2.target"
+#define SPECIAL_RUNLEVEL3_TARGET "runlevel3.target"
+#define SPECIAL_RUNLEVEL4_TARGET "runlevel4.target"
+#define SPECIAL_RUNLEVEL5_TARGET "runlevel5.target"
+#define SPECIAL_RUNLEVEL6_TARGET "runlevel6.target"
 
 struct Manager {
+        /* In which mode are we running */
+        ManagerRunningAs running_as;
+
         uint32_t current_job_id;
 
-        /* Note that the set of names we know of is allowed to be
+        /* 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 names */
-        Hashmap *names;  /* name string => Name object n:1 */
+        /* 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 that need to be run */
+        LIST_HEAD(Job, run_queue);   /* more a stack than a queue, too */
+
+        /* Units and jobs that have not yet been announced via
+         * D-Bus. When something about a job changes it is added here
+         * if it is not in there yet. This allows easy coalescing of
+         * D-Bus change signals. */
+        LIST_HEAD(Meta, dbus_unit_queue);
+        LIST_HEAD(Job, dbus_job_queue);
+
+        LIST_HEAD(Meta, cleanup_queue);
+
         /* Jobs to be added */
-        Hashmap *transaction_jobs;      /* Name object => Job object list 1:1 */
+        Hashmap *transaction_jobs;      /* Unit object => Job object list 1:1 */
         JobDependency *transaction_anchor;
 
         bool dispatching_load_queue:1;
+        bool dispatching_run_queue:1;
+        bool dispatching_dbus_queue:1;
+
+        bool request_api_bus_dispatch:1;
+        bool request_system_bus_dispatch:1;
+
+        Hashmap *watch_pids;  /* pid => Unit object n:1 */
+
+        int epoll_fd;
+
+        Watch signal_watch;
+
+        char **unit_path;
+        char **sysvinit_path;
+        char **sysvrcnd_path;
+
+        /* 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 *api_bus, *system_bus;
+        Set *subscribed;
+
+        /* Data specific to the cgroup subsystem */
+        Hashmap *cgroup_bondings; /* path string => CGroupBonding object 1:n */
+        char *cgroup_controller;
+        char *cgroup_hierarchy;
 };
 
-Manager* manager_new(void);
+int manager_new(ManagerRunningAs running_as, Manager **m);
 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_load_name(Manager *m, const char *name, Name **_ret);
-int manager_add_job(Manager *m, JobType type, Name *name, JobMode mode, bool force, Job **_ret);
+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);
 
-void manager_dump_names(Manager *s, FILE *f, const char *prefix);
+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_transaction_unlink_job(Manager *m, Job *j, bool delete_dependencies);
 
 void manager_clear_jobs(Manager *m);
 
+unsigned manager_dispatch_load_queue(Manager *m);
+unsigned manager_dispatch_run_queue(Manager *m);
+unsigned manager_dispatch_dbus_queue(Manager *m);
+
+int manager_loop(Manager *m);
+
+const char *manager_running_as_to_string(ManagerRunningAs i);
+ManagerRunningAs manager_running_as_from_string(const char *s);
+
 #endif