/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** 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 "unit.h" #include "mount.h" #include "dbus-unit.h" #include "dbus-execute.h" #include "dbus-kill.h" #include "dbus-cgroup.h" #include "dbus-mount.h" #include "bus-util.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; }