1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 #include "sd-messages.h"
31 #include "path-util.h"
33 #include "fileio-label.h"
36 #include "unit-name.h"
38 #include "bus-common-errors.h"
39 #include "time-util.h"
40 #include "cgroup-util.h"
41 #include "machine-image.h"
42 #include "image-dbus.h"
44 #include "machine-dbus.h"
46 static int method_get_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
47 _cleanup_free_ char *p = NULL;
48 Manager *m = userdata;
57 r = sd_bus_message_read(message, "s", &name);
61 machine = hashmap_get(m->machines, name);
63 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
65 p = machine_bus_path(machine);
69 return sd_bus_reply_method_return(message, "o", p);
72 static int method_get_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
73 _cleanup_free_ char *p = NULL;
74 Manager *m = userdata;
82 r = sd_bus_message_read(message, "s", &name);
86 r = image_find(name, NULL);
88 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
92 p = image_bus_path(name);
96 return sd_bus_reply_method_return(message, "o", p);
99 static int method_get_machine_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
100 _cleanup_free_ char *p = NULL;
101 Manager *m = userdata;
102 Machine *machine = NULL;
110 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
112 r = sd_bus_message_read(message, "u", &pid);
117 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
119 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
123 r = sd_bus_creds_get_pid(creds, &pid);
128 r = manager_get_machine_by_pid(m, pid, &machine);
132 return sd_bus_error_setf(error, BUS_ERROR_NO_MACHINE_FOR_PID, "PID "PID_FMT" does not belong to any known machine", pid);
134 p = machine_bus_path(machine);
138 return sd_bus_reply_method_return(message, "o", p);
141 static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
142 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
143 Manager *m = userdata;
152 r = sd_bus_message_new_method_return(message, &reply);
154 return sd_bus_error_set_errno(error, r);
156 r = sd_bus_message_open_container(reply, 'a', "(ssso)");
158 return sd_bus_error_set_errno(error, r);
160 HASHMAP_FOREACH(machine, m->machines, i) {
161 _cleanup_free_ char *p = NULL;
163 p = machine_bus_path(machine);
167 r = sd_bus_message_append(reply, "(ssso)",
169 strempty(machine_class_to_string(machine->class)),
173 return sd_bus_error_set_errno(error, r);
176 r = sd_bus_message_close_container(reply);
178 return sd_bus_error_set_errno(error, r);
180 return sd_bus_send(bus, reply, NULL);
183 static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) {
184 const char *name, *service, *class, *root_directory;
185 const int32_t *netif = NULL;
191 size_t n, n_netif = 0;
198 r = sd_bus_message_read(message, "s", &name);
201 if (!machine_name_is_valid(name))
202 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name");
204 r = sd_bus_message_read_array(message, 'y', &v, &n);
212 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter");
214 r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory);
221 r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif);
225 n_netif /= sizeof(int32_t);
227 for (i = 0; i < n_netif; i++) {
229 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]);
234 c = _MACHINE_CLASS_INVALID;
236 c = machine_class_from_string(class);
238 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter");
242 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
244 if (!isempty(root_directory) && !path_is_absolute(root_directory))
245 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path");
248 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
250 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
254 assert_cc(sizeof(uint32_t) == sizeof(pid_t));
256 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
261 if (hashmap_get(manager->machines, name))
262 return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name);
264 r = manager_add_machine(manager, name, &m);
272 if (!isempty(service)) {
273 m->service = strdup(service);
280 if (!isempty(root_directory)) {
281 m->root_directory = strdup(root_directory);
282 if (!m->root_directory) {
289 assert_cc(sizeof(int32_t) == sizeof(int));
290 m->netif = memdup(netif, sizeof(int32_t) * n_netif);
296 m->n_netif = n_netif;
304 machine_add_to_gc_queue(m);
308 static int method_create_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) {
309 Manager *manager = userdata;
313 r = method_create_or_register_machine(manager, message, read_network, &m, error);
317 r = sd_bus_message_enter_container(message, 'a', "(sv)");
321 r = machine_start(m, message, error);
325 m->create_message = sd_bus_message_ref(message);
329 machine_add_to_gc_queue(m);
333 static int method_create_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
334 return method_create_machine_internal(bus, message, true, userdata, error);
337 static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
338 return method_create_machine_internal(bus, message, false, userdata, error);
341 static int method_register_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) {
342 Manager *manager = userdata;
343 _cleanup_free_ char *p = NULL;
347 r = method_create_or_register_machine(manager, message, read_network, &m, error);
351 r = cg_pid_get_unit(m->leader, &m->unit);
353 r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r));
357 r = machine_start(m, NULL, error);
361 p = machine_bus_path(m);
367 return sd_bus_reply_method_return(message, "o", p);
370 machine_add_to_gc_queue(m);
374 static int method_register_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
375 return method_register_machine_internal(bus, message, true, userdata, error);
378 static int method_register_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
379 return method_register_machine_internal(bus, message, false, userdata, error);
382 static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
383 Manager *m = userdata;
392 r = sd_bus_message_read(message, "s", &name);
394 return sd_bus_error_set_errno(error, r);
396 machine = hashmap_get(m->machines, name);
398 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
400 return bus_machine_method_terminate(bus, message, machine, error);
403 static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
404 Manager *m = userdata;
413 r = sd_bus_message_read(message, "s", &name);
415 return sd_bus_error_set_errno(error, r);
417 machine = hashmap_get(m->machines, name);
419 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
421 return bus_machine_method_kill(bus, message, machine, error);
424 static int method_get_machine_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
425 Manager *m = userdata;
434 r = sd_bus_message_read(message, "s", &name);
436 return sd_bus_error_set_errno(error, r);
438 machine = hashmap_get(m->machines, name);
440 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
442 return bus_machine_method_get_addresses(bus, message, machine, error);
445 static int method_get_machine_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
446 Manager *m = userdata;
455 r = sd_bus_message_read(message, "s", &name);
457 return sd_bus_error_set_errno(error, r);
459 machine = hashmap_get(m->machines, name);
461 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
463 return bus_machine_method_get_os_release(bus, message, machine, error);
466 static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
467 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
468 _cleanup_(image_hashmap_freep) Hashmap *images = NULL;
469 Manager *m = userdata;
478 images = hashmap_new(&string_hash_ops);
482 r = image_discover(images);
486 r = sd_bus_message_new_method_return(message, &reply);
490 r = sd_bus_message_open_container(reply, 'a', "(ssbttto)");
494 HASHMAP_FOREACH(image, images, i) {
495 _cleanup_free_ char *p = NULL;
497 p = image_bus_path(image->name);
501 r = sd_bus_message_append(reply, "(ssbttto)",
503 image_type_to_string(image->type),
513 r = sd_bus_message_close_container(reply);
517 return sd_bus_send(bus, reply, NULL);
520 static int method_open_machine_pty(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
521 Manager *m = userdata;
530 r = sd_bus_message_read(message, "s", &name);
532 return sd_bus_error_set_errno(error, r);
534 machine = hashmap_get(m->machines, name);
536 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
538 return bus_machine_method_open_pty(bus, message, machine, error);
541 static int method_open_machine_login(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
542 Manager *m = userdata;
551 r = sd_bus_message_read(message, "s", &name);
555 machine = hashmap_get(m->machines, name);
557 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
559 return bus_machine_method_open_login(bus, message, machine, error);
562 static int method_bind_mount_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
563 Manager *m = userdata;
572 r = sd_bus_message_read(message, "s", &name);
576 machine = hashmap_get(m->machines, name);
578 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
580 return bus_machine_method_bind_mount(bus, message, machine, error);
583 static int method_remove_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
584 _cleanup_(image_unrefp) Image* i = NULL;
591 r = sd_bus_message_read(message, "s", &name);
595 if (!image_name_is_valid(name))
596 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
598 r = image_find(name, &i);
602 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
604 return bus_image_method_remove(bus, message, i, error);
607 static int method_rename_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
608 _cleanup_(image_unrefp) Image* i = NULL;
609 const char *old_name;
615 r = sd_bus_message_read(message, "s", &old_name);
619 if (!image_name_is_valid(old_name))
620 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name);
622 r = image_find(old_name, &i);
626 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name);
628 return bus_image_method_rename(bus, message, i, error);
631 static int method_clone_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
632 _cleanup_(image_unrefp) Image *i = NULL;
633 const char *old_name;
637 r = sd_bus_message_read(message, "s", &old_name);
641 if (!image_name_is_valid(old_name))
642 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name);
644 r = image_find(old_name, &i);
648 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name);
650 return bus_image_method_clone(bus, message, i, error);
653 static int method_mark_image_read_only(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
654 _cleanup_(image_unrefp) Image *i = NULL;
659 r = sd_bus_message_read(message, "s", &name);
663 if (!image_name_is_valid(name))
664 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
666 r = image_find(name, &i);
670 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
672 return bus_image_method_mark_read_only(bus, message, i, error);
675 const sd_bus_vtable manager_vtable[] = {
676 SD_BUS_VTABLE_START(0),
677 SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED),
678 SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED),
679 SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
680 SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED),
681 SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED),
682 SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0),
683 SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0),
684 SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0),
685 SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0),
686 SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
687 SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
688 SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED),
689 SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED),
690 SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0),
691 SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED),
692 SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, 0),
693 SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, 0),
694 SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, 0),
695 SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, 0),
696 SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, 0),
697 SD_BUS_SIGNAL("MachineNew", "so", 0),
698 SD_BUS_SIGNAL("MachineRemoved", "so", 0),
702 int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
703 const char *path, *result, *unit;
704 Manager *m = userdata;
713 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
715 bus_log_parse_error(r);
719 machine = hashmap_get(m->machine_units, unit);
723 if (streq_ptr(path, machine->scope_job)) {
724 free(machine->scope_job);
725 machine->scope_job = NULL;
727 if (machine->started) {
728 if (streq(result, "done"))
729 machine_send_create_reply(machine, NULL);
731 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
733 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
735 machine_send_create_reply(machine, &e);
738 machine_save(machine);
741 machine_add_to_gc_queue(machine);
745 int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
746 _cleanup_free_ char *unit = NULL;
747 Manager *m = userdata;
756 path = sd_bus_message_get_path(message);
760 r = unit_name_from_dbus_path(path, &unit);
761 if (r == -EINVAL) /* not for a unit */
766 machine = hashmap_get(m->machine_units, unit);
768 machine_add_to_gc_queue(machine);
773 int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
774 const char *path, *unit;
775 Manager *m = userdata;
783 r = sd_bus_message_read(message, "so", &unit, &path);
785 bus_log_parse_error(r);
789 machine = hashmap_get(m->machine_units, unit);
791 machine_add_to_gc_queue(machine);
796 int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
797 Manager *m = userdata;
804 r = sd_bus_message_read(message, "b", &b);
806 bus_log_parse_error(r);
812 /* systemd finished reloading, let's recheck all our machines */
813 log_debug("System manager has been reloaded, rechecking machines...");
815 HASHMAP_FOREACH(machine, m->machines, i)
816 machine_add_to_gc_queue(machine);
821 int manager_start_scope(
826 const char *description,
827 sd_bus_message *more_properties,
831 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
838 r = sd_bus_message_new_method_call(
841 "org.freedesktop.systemd1",
842 "/org/freedesktop/systemd1",
843 "org.freedesktop.systemd1.Manager",
844 "StartTransientUnit");
848 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
852 r = sd_bus_message_open_container(m, 'a', "(sv)");
856 if (!isempty(slice)) {
857 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
862 if (!isempty(description)) {
863 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
868 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
872 r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1);
876 if (more_properties) {
877 r = sd_bus_message_copy(m, more_properties, true);
882 r = sd_bus_message_close_container(m);
886 r = sd_bus_message_append(m, "a(sa(sv))", 0);
890 r = sd_bus_call(manager->bus, m, 0, error, &reply);
898 r = sd_bus_message_read(reply, "o", &j);
912 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
913 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
919 r = sd_bus_call_method(
921 "org.freedesktop.systemd1",
922 "/org/freedesktop/systemd1",
923 "org.freedesktop.systemd1.Manager",
929 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
930 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
935 sd_bus_error_free(error);
946 r = sd_bus_message_read(reply, "o", &j);
960 int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) {
964 return sd_bus_call_method(
966 "org.freedesktop.systemd1",
967 "/org/freedesktop/systemd1",
968 "org.freedesktop.systemd1.Manager",
972 "ssi", unit, "all", signo);
975 int manager_unit_is_active(Manager *manager, const char *unit) {
976 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
977 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
978 _cleanup_free_ char *path = NULL;
985 path = unit_dbus_path_from_name(unit);
989 r = sd_bus_get_property(
991 "org.freedesktop.systemd1",
993 "org.freedesktop.systemd1.Unit",
999 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
1000 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
1003 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
1004 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
1010 r = sd_bus_message_read(reply, "s", &state);
1014 return !streq(state, "inactive") && !streq(state, "failed");
1017 int manager_job_is_active(Manager *manager, const char *path) {
1018 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1019 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1025 r = sd_bus_get_property(
1027 "org.freedesktop.systemd1",
1029 "org.freedesktop.systemd1.Job",
1035 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
1036 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
1039 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
1045 /* We don't actually care about the state really. The fact
1046 * that we could read the job state is enough for us */
1051 int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) {
1052 _cleanup_free_ char *unit = NULL;
1060 r = cg_pid_get_unit(pid, &unit);
1062 mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid));
1064 mm = hashmap_get(m->machine_units, unit);
1073 int manager_add_machine(Manager *m, const char *name, Machine **_machine) {
1079 machine = hashmap_get(m->machines, name);
1081 machine = machine_new(m, name);
1087 *_machine = machine;