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-rw-r--r--src/libcore/dbus-mount.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/src/libcore/dbus-mount.c b/src/libcore/dbus-mount.c
new file mode 100644
index 0000000000..935db7c48b
--- /dev/null
+++ b/src/libcore/dbus-mount.c
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+/***
+ 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 Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "bus-util.h"
+#include "dbus-cgroup.h"
+#include "dbus-execute.h"
+#include "dbus-kill.h"
+#include "dbus-mount.h"
+#include "mount.h"
+#include "string-util.h"
+#include "unit.h"
+
+static int property_get_what(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Mount *m = userdata;
+ const char *d;
+
+ assert(bus);
+ assert(reply);
+ assert(m);
+
+ if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
+ d = m->parameters_proc_self_mountinfo.what;
+ else if (m->from_fragment && m->parameters_fragment.what)
+ d = m->parameters_fragment.what;
+ else
+ d = "";
+
+ return sd_bus_message_append(reply, "s", d);
+}
+
+static int property_get_options(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Mount *m = userdata;
+ const char *d;
+
+ assert(bus);
+ assert(reply);
+ assert(m);
+
+ if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options)
+ d = m->parameters_proc_self_mountinfo.options;
+ else if (m->from_fragment && m->parameters_fragment.options)
+ d = m->parameters_fragment.options;
+ else
+ d = "";
+
+ return sd_bus_message_append(reply, "s", d);
+}
+
+static int property_get_type(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Mount *m = userdata;
+ const char *d;
+
+ assert(bus);
+ assert(reply);
+ assert(m);
+
+ if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
+ d = m->parameters_proc_self_mountinfo.fstype;
+ else if (m->from_fragment && m->parameters_fragment.fstype)
+ d = m->parameters_fragment.fstype;
+ else
+ d = "";
+
+ return sd_bus_message_append(reply, "s", d);
+}
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, mount_result, MountResult);
+
+const sd_bus_vtable bus_mount_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Where", "s", NULL, offsetof(Mount, where), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("What", "s", property_get_what, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Options","s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Type", "s", property_get_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Mount, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ SD_BUS_VTABLE_END
+};
+
+static int bus_mount_set_transient_property(
+ Mount *m,
+ const char *name,
+ sd_bus_message *message,
+ UnitSetPropertiesMode mode,
+ sd_bus_error *error) {
+
+ const char *new_property;
+ char **property;
+ char *p;
+ int r;
+
+ assert(m);
+ assert(name);
+ assert(message);
+
+ if (streq(name, "What"))
+ property = &m->parameters_fragment.what;
+ else if (streq(name, "Options"))
+ property = &m->parameters_fragment.options;
+ else if (streq(name, "Type"))
+ property = &m->parameters_fragment.fstype;
+ else
+ return 0;
+
+ r = sd_bus_message_read(message, "s", &new_property);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ p = strdup(new_property);
+ if (!p)
+ return -ENOMEM;
+
+ free(*property);
+ *property = p;
+ }
+
+ return 1;
+}
+
+int bus_mount_set_property(
+ Unit *u,
+ const char *name,
+ sd_bus_message *message,
+ UnitSetPropertiesMode mode,
+ sd_bus_error *error) {
+
+ Mount *m = MOUNT(u);
+ int r;
+
+ assert(m);
+ assert(name);
+ assert(message);
+
+ r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, mode, error);
+ if (r != 0)
+ return r;
+
+ if (u->transient && u->load_state == UNIT_STUB) {
+ /* This is a transient unit, let's load a little more */
+
+ r = bus_mount_set_transient_property(m, name, message, mode, error);
+ if (r != 0)
+ return r;
+
+ r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, mode, error);
+ if (r != 0)
+ return r;
+
+ r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, mode, error);
+ if (r != 0)
+ return r;
+ }
+
+ return 0;
+}
+
+int bus_mount_commit_properties(Unit *u) {
+ assert(u);
+
+ unit_update_cgroup_members_masks(u);
+ unit_realize_cgroup(u);
+
+ return 0;
+}