X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=dbus-manager.c;h=90ab8d1a0cab509b1d78270191962a65bf0a8842;hb=416f4a8457da80453dd69e67753a0190d6ec26d5;hp=32d074502509a58f30cadcf4b077da75422067b3;hpb=2b53c70b6429868029048244b8d21769148375e1;p=elogind.git
diff --git a/dbus-manager.c b/dbus-manager.c
index 32d074502..90ab8d1a0 100644
--- a/dbus-manager.c
+++ b/dbus-manager.c
@@ -1,14 +1,35 @@
/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/***
+ 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 .
+***/
+
#include
#include "dbus.h"
#include "log.h"
+#include "dbus-manager.h"
+#include "strv.h"
#define INTROSPECTION_BEGIN \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"" \
- " " \
+ " " \
" " \
" " \
" " \
@@ -19,15 +40,56 @@
" " \
" " \
" " \
- " " \
+ " " \
" " \
" " \
" " \
- " " \
+ " " \
" " \
" " \
" " \
" " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
+ " " \
" " \
BUS_PROPERTIES_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE
@@ -35,9 +97,84 @@
#define INTROSPECTION_END \
""
-DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
- int r;
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
+
+static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+ const char *t;
+
+ assert(m);
+ assert(i);
+ assert(property);
+
+ t = log_target_to_string(log_get_target());
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+ const char *t;
+
+ assert(m);
+ assert(i);
+ assert(property);
+
+ t = log_level_to_string(log_get_max_level());
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+ uint32_t u;
+
+ assert(m);
+ assert(i);
+ assert(property);
+
+ u = hashmap_size(m->units);
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+ uint32_t u;
+
+ assert(m);
+ assert(i);
+ assert(property);
+
+ u = hashmap_size(m->jobs);
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
Manager *m = data;
+
+ const BusProperty properties[] = {
+ { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
+ { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
+ { "org.freedesktop.systemd1.Manager", "BootTimestamp", bus_property_append_uint64, "t", &m->boot_timestamp },
+ { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL },
+ { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL },
+ { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL },
+ { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
+ { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
+ { NULL, NULL, NULL, NULL, NULL }
+ };
+
+ int r;
DBusError error;
DBusMessage *reply = NULL;
char * path = NULL;
@@ -53,7 +190,7 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
dbus_message_get_member(message),
dbus_message_get_path(message));
- if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "GetUnit")) {
+ if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
const char *name;
Unit *u;
@@ -79,7 +216,7 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
DBUS_TYPE_INVALID))
goto oom;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "LoadUnit")) {
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
const char *name;
Unit *u;
@@ -90,7 +227,7 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
- if ((r = manager_load_unit(m, name, &u)) < 0)
+ if ((r = manager_load_unit(m, name, NULL, &u)) < 0)
return bus_send_error_reply(m, message, NULL, r);
if (!(reply = dbus_message_new_method_return(message)))
@@ -105,7 +242,7 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
DBUS_TYPE_INVALID))
goto oom;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "GetJob")) {
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
uint32_t id;
Job *j;
@@ -131,14 +268,14 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
DBUS_TYPE_INVALID))
goto oom;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "ClearJobs")) {
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
manager_clear_jobs(m);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "ListUnits")) {
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
DBusMessageIter iter, sub;
Iterator i;
Unit *u;
@@ -149,17 +286,16 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
dbus_message_iter_init_append(reply, &iter);
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssouso)", &sub))
+ if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sssssouso)", &sub))
goto oom;
HASHMAP_FOREACH_KEY(u, k, m->units, i) {
- char *unit_path, *job_path;
- const char *id, *description, *load_state, *active_state, *job_type;
+ char *u_path, *j_path;
+ const char *description, *load_state, *active_state, *sub_state, *job_type;
DBusMessageIter sub2;
uint32_t job_id;
- id = unit_id(u);
- if (k != id)
+ if (k != u->meta.id)
continue;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
@@ -168,42 +304,44 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
description = unit_description(u);
load_state = unit_load_state_to_string(u->meta.load_state);
active_state = unit_active_state_to_string(unit_active_state(u));
+ sub_state = unit_sub_state_to_string(u);
- if (!(unit_path = unit_dbus_path(u)))
+ if (!(u_path = unit_dbus_path(u)))
goto oom;
if (u->meta.job) {
job_id = (uint32_t) u->meta.job->id;
- if (!(job_path = job_dbus_path(u->meta.job))) {
- free(unit_path);
+ if (!(j_path = job_dbus_path(u->meta.job))) {
+ free(u_path);
goto oom;
}
job_type = job_type_to_string(u->meta.job->type);
} else {
job_id = 0;
- job_path = unit_path;
+ j_path = u_path;
job_type = "";
}
- if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &id) ||
+ if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &job_type) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path)) {
- free(unit_path);
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
+ free(u_path);
if (u->meta.job)
- free(job_path);
+ free(j_path);
goto oom;
}
- free(unit_path);
+ free(u_path);
if (u->meta.job)
- free(job_path);
+ free(j_path);
if (!dbus_message_iter_close_container(&sub, &sub2))
goto oom;
@@ -212,7 +350,7 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1", "ListJobs")) {
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
DBusMessageIter iter, sub;
Iterator i;
Job *j;
@@ -226,8 +364,8 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
goto oom;
HASHMAP_FOREACH(j, m->jobs, i) {
- char *unit_path, *job_path;
- const char *unit, *state, *type;
+ char *u_path, *j_path;
+ const char *state, *type;
uint32_t id;
DBusMessageIter sub2;
@@ -235,31 +373,30 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
goto oom;
id = (uint32_t) j->id;
- unit = unit_id(j->unit);
state = job_state_to_string(j->state);
type = job_type_to_string(j->type);
- if (!(job_path = job_dbus_path(j)))
+ if (!(j_path = job_dbus_path(j)))
goto oom;
- if (!(unit_path = unit_dbus_path(j->unit))) {
- free(job_path);
+ if (!(u_path = unit_dbus_path(j->unit))) {
+ free(j_path);
goto oom;
}
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &unit) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path)) {
- free(job_path);
- free(unit_path);
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
+ free(j_path);
+ free(u_path);
goto oom;
}
- free(job_path);
- free(unit_path);
+ free(j_path);
+ free(u_path);
if (!dbus_message_iter_close_container(&sub, &sub2))
goto oom;
@@ -268,6 +405,90 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
+ char *client;
+
+ if (!(client = strdup(dbus_message_get_sender(message))))
+ goto oom;
+
+ r = set_put(m->subscribed, client);
+
+ if (r < 0)
+ return bus_send_error_reply(m, message, NULL, r);
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
+ char *client;
+
+ if (!(client = set_remove(m->subscribed, (char*) dbus_message_get_sender(message))))
+ return bus_send_error_reply(m, message, NULL, -ENOENT);
+
+ free(client);
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
+ FILE *f;
+ char *dump = NULL;
+ size_t size;
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ if (!(f = open_memstream(&dump, &size)))
+ goto oom;
+
+ manager_dump_units(m, f, NULL);
+ manager_dump_jobs(m, f, NULL);
+
+ if (ferror(f)) {
+ fclose(f);
+ free(dump);
+ goto oom;
+ }
+
+ fclose(f);
+
+ if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
+ free(dump);
+ goto oom;
+ }
+
+ free(dump);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
+ const char *name;
+ dbus_bool_t cleanup;
+ Snapshot *s;
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_BOOLEAN, &cleanup,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(m, message, &error, -EINVAL);
+
+ if (name && name[0] == 0)
+ name = NULL;
+
+ if ((r = snapshot_create(m, name, cleanup, &s)) < 0)
+ return bus_send_error_reply(m, message, NULL, r);
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ if (!(path = unit_dbus_path(UNIT(s))))
+ goto oom;
+
+ if (!dbus_message_append_args(
+ reply,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ goto oom;
+
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
char *introspection = NULL;
FILE *f;
@@ -293,7 +514,7 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
HASHMAP_FOREACH_KEY(u, k, m->units, i) {
char *p;
- if (k != unit_id(u))
+ if (k != u->meta.id)
continue;
if (!(p = bus_path_escape(k))) {
@@ -329,8 +550,85 @@ DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusM
free(introspection);
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
+
+ assert(!m->queued_message);
+
+ /* Instead of sending the reply back right away, we
+ * just remember that we need to and then send it
+ * after the reload is finished. That way the caller
+ * knows when the reload finished. */
+
+ if (!(m->queued_message = dbus_message_new_method_return(message)))
+ goto oom;
+
+ m->exit_code = MANAGER_RELOAD;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ m->exit_code = MANAGER_REEXECUTE;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
+
+ if (m->running_as == MANAGER_INIT)
+ return bus_send_error_reply(m, message, NULL, -ENOTSUP);
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ m->exit_code = MANAGER_EXIT;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
+ char **l = NULL, **e = NULL;
+
+ if ((r = bus_parse_strv(message, &l)) < 0) {
+ if (r == -ENOMEM)
+ goto oom;
+
+ return bus_send_error_reply(m, message, NULL, r);
+ }
+
+ e = strv_env_merge(m->environment, l, NULL);
+ strv_free(l);
+
+ if (!e)
+ goto oom;
+
+ if (!(reply = dbus_message_new_method_return(message))) {
+ strv_free(e);
+ goto oom;
+ }
+
+ strv_free(m->environment);
+ m->environment = e;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
+ char **l = NULL, **e = NULL;
+
+ if ((r = bus_parse_strv(message, &l)) < 0) {
+ if (r == -ENOMEM)
+ goto oom;
+
+ return bus_send_error_reply(m, message, NULL, r);
+ }
+
+ e = strv_env_delete(m->environment, l, NULL);
+ strv_free(l);
+
+ if (!e)
+ goto oom;
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ strv_free(m->environment);
+ m->environment = e;
+
} else
- return bus_default_message_handler(m, message, NULL, NULL);
+ return bus_default_message_handler(m, message, NULL, properties);
free(path);