813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt#include "special.h"

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt#include "bus-kernel.h"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt#include "bus-internal.h"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt#include "bus-util.h"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt#include "service.h"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt#include "dbus-busname.h"

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt#include "busname.h"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flyktstatic const UnitActiveState state_translation_table[_BUSNAME_STATE_MAX] = {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt [BUSNAME_DEAD] = UNIT_INACTIVE,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt [BUSNAME_LISTENING] = UNIT_ACTIVE,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt [BUSNAME_RUNNING] = UNIT_ACTIVE,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt [BUSNAME_FAILED] = UNIT_FAILED

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt};

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flyktstatic int busname_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flyktstatic void busname_init(Unit *u) {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt BusName *n = BUSNAME(u);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt assert(u);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt assert(u->load_state == UNIT_STUB);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt n->starter_fd = -1;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktstatic void busname_done(Unit *u) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = BUSNAME(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(u);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt free(n->name);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt n->name = NULL;

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt unit_ref_unset(&n->service);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt n->event_source = sd_event_source_unref(n->event_source);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt if (n->starter_fd >= 0) {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt close_nointr_nofail(n->starter_fd);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt n->starter_fd = -1;

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt }

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt}

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flyktstatic int busname_add_default_default_dependencies(BusName *n) {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt int r;

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt assert(n);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt r = unit_add_dependency_by_name(UNIT(n), UNIT_BEFORE, SPECIAL_BUSNAMES_TARGET, NULL, true);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (r < 0)

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt return r;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (UNIT(n)->manager->running_as == SYSTEMD_SYSTEM) {

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt r = unit_add_two_dependencies_by_name(UNIT(n), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (r < 0)

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt return r;

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt }

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt return unit_add_two_dependencies_by_name(UNIT(n), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt}

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flyktstatic int busname_add_extras(BusName *n) {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt Unit *u = UNIT(n);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt int r;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt assert(n);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (!n->name) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt n->name = unit_name_to_prefix(u->id);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (!n->name)

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return -ENOMEM;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt }

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (!u->description) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt r = unit_set_description(u, n->name);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (r < 0)

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return r;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt }

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (!UNIT_DEREF(n->service)) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt Unit *x;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt r = unit_load_related_unit(u, ".service", &x);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (r < 0)

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return r;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt unit_ref_set(&n->service, x);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt }

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt r = unit_add_two_dependencies(u, UNIT_BEFORE, UNIT_TRIGGERS, UNIT_DEREF(n->service), true);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (r < 0)

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return r;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (u->default_dependencies) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt r = busname_add_default_default_dependencies(n);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (r < 0)

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return r;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt }

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return 0;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt}

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flyktstatic int busname_verify(BusName *n) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt char *e;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt assert(n);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (UNIT(n)->load_state != UNIT_LOADED)

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return 0;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (!service_name_is_valid(n->name)) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt log_error_unit(UNIT(n)->id, "%s's Name= setting is not a valid service name Refusing.", UNIT(n)->id);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return -EINVAL;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt }

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt e = strappenda(n->name, ".busname");

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt if (!unit_has_name(UNIT(n), e)) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt log_error_unit(UNIT(n)->id, "%s's Name= setting doesn't match unit name. Refusing.", UNIT(n)->id);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return -EINVAL;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt }

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt return 0;

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt}

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flyktstatic int busname_load(Unit *u) {

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt BusName *n = BUSNAME(u);

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt int r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(u);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(u->load_state == UNIT_STUB);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = unit_load_fragment_and_dropin(u);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (u->load_state == UNIT_LOADED) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt /* This is a new unit? Then let's add in some extras */

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = busname_add_extras(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt }

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return busname_verify(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic void busname_dump(Unit *u, FILE *f, const char *prefix) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt BusName *n = BUSNAME(u);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(f);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt fprintf(f,

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt "%sBus Name State: %s\n"

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt "%sResult: %s\n"

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt "%sName: %s\n",

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt prefix, busname_state_to_string(n->state),

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt prefix, busname_result_to_string(n->result),

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt prefix, n->name);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt}

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flyktstatic void busname_unwatch_fd(BusName *n) {

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt int r;

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt assert(n);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt if (n->event_source) {

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt r = sd_event_source_set_enabled(n->event_source, SD_EVENT_OFF);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt if (r < 0)

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt log_debug_unit(UNIT(n)->id, "Failed to disable event source.");

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt }

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt}

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flyktstatic void busname_close_fd(BusName *n) {

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt assert(n);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt busname_unwatch_fd(n);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt if (n->starter_fd <= 0)

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt return;

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt close_nointr_nofail(n->starter_fd);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt n->starter_fd = -1;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

44481a8b537839cd9ffead4d261491641f5b5260Zbigniew Jędrzejewski-Szmek

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic int busname_watch_fd(BusName *n) {

d182960ae974a0074010a058d0d909846a2f3f79Patrik Flykt int r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (n->starter_fd < 0)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return 0;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (n->event_source)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = sd_event_source_set_enabled(n->event_source, SD_EVENT_ON);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt else

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = sd_event_add_io(UNIT(n)->manager->event, n->starter_fd, EPOLLIN, busname_dispatch_io, n, &n->event_source);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt log_warning_unit(UNIT(n)->id, "Failed to watch starter fd: %s", strerror(-r));

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt busname_unwatch_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt }

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return 0;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic int busname_open_fd(BusName *n) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (n->starter_fd >= 0)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return 0;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt n->starter_fd = bus_kernel_create_starter(UNIT(n)->manager->running_as == SYSTEMD_SYSTEM ? "system" : "user", n->name);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (n->starter_fd < 0) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt log_warning_unit(UNIT(n)->id, "Failed to create starter fd: %s", strerror(-n->starter_fd));

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return n->starter_fd;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt }

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return 0;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic void busname_set_state(BusName *n, BusNameState state) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt BusNameState old_state;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt old_state = n->state;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt n->state = state;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (state != BUSNAME_LISTENING)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt busname_unwatch_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (!IN_SET(state, BUSNAME_LISTENING, BUSNAME_RUNNING))

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt busname_close_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (state != old_state)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt log_debug_unit(UNIT(n)->id, "%s changed %s -> %s",

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt UNIT(n)->id, busname_state_to_string(old_state), busname_state_to_string(state));

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt unit_notify(UNIT(n), state_translation_table[old_state], state_translation_table[state], true);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic int busname_coldplug(Unit *u) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt BusName *n = BUSNAME(u);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt int r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n->state == BUSNAME_DEAD);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (n->deserialized_state == n->state)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return 0;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (IN_SET(n->deserialized_state, BUSNAME_LISTENING, BUSNAME_RUNNING)) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = busname_open_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt }

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (n->deserialized_state == BUSNAME_LISTENING) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = busname_watch_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt }

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt busname_set_state(n, n->deserialized_state);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt return 0;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic void busname_enter_dead(BusName *n, BusNameResult f) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (f != BUSNAME_SUCCESS)

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt n->result = f;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt busname_set_state(n, n->result != BUSNAME_SUCCESS ? BUSNAME_FAILED : BUSNAME_DEAD);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt}

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flyktstatic void busname_enter_listening(BusName *n) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt int r;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt assert(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = busname_open_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0) {

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt log_warning_unit(UNIT(n)->id, "%s failed to listen on bus names: %s", UNIT(n)->id, strerror(-r));

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt goto fail;

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt }

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt r = busname_watch_fd(n);

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt if (r < 0) {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt log_warning_unit(UNIT(n)->id, "%s failed to watch names: %s", UNIT(n)->id, strerror(-r));

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt goto fail;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt }

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt busname_set_state(n, BUSNAME_LISTENING);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktfail:

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktstatic void busname_enter_running(BusName *n) {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt bool pending = false;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt Unit *other;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt Iterator i;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt int r;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt assert(n);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt /* We don't take conenctions anymore if we are supposed to

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (unit_stop_pending(UNIT(n))) {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt log_debug_unit(UNIT(n)->id, "Suppressing activation request on %s since unit stop is scheduled.", UNIT(n)->id);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt /* Flush all queued activation reqeuest by closing and reopening the connection */

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt bus_kernel_drop_one(n->starter_fd);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt busname_enter_listening(n);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt return;

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt }

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt /* If there's already a start pending don't bother to do

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt SET_FOREACH(other, UNIT(n)->dependencies[UNIT_TRIGGERS], i)

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt if (unit_active_or_pending(other)) {

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt pending = true;

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt break;

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt }

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt if (!pending) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt r = manager_add_job(UNIT(n)->manager, JOB_START, UNIT_DEREF(n->service), JOB_REPLACE, true, &error, NULL);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (r < 0)

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt goto fail;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt }

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt busname_set_state(n, BUSNAME_RUNNING);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt return;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktfail:

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt log_warning_unit(UNIT(n)->id, "%s failed to queue service startup job: %s", UNIT(n)->id, bus_error_message(&error, r));

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt}

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktstatic int busname_start(Unit *u) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = BUSNAME(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(n);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (UNIT_ISSET(n->service)) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt Service *service;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt service = SERVICE(UNIT_DEREF(n->service));

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (UNIT(service)->load_state != UNIT_LOADED) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt log_error_unit(u->id, "Bus service %s not loaded, refusing.", UNIT(service)->id);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt return -ENOENT;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt }

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt }

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(IN_SET(n->state, BUSNAME_DEAD, BUSNAME_FAILED));

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt n->result = BUSNAME_SUCCESS;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt busname_enter_listening(n);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt return 0;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt}

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktstatic int busname_stop(Unit *u) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = BUSNAME(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(n);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(n->state == BUSNAME_LISTENING || n->state == BUSNAME_RUNNING);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt busname_enter_dead(n, BUSNAME_SUCCESS);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt return 0;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt}

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktstatic int busname_serialize(Unit *u, FILE *f, FDSet *fds) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = BUSNAME(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(n);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(f);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(fds);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt unit_serialize_item(u, f, "state", busname_state_to_string(n->state));

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt unit_serialize_item(u, f, "result", busname_result_to_string(n->result));

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (n->starter_fd >= 0) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt int copy;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt copy = fdset_put_dup(fds, n->starter_fd);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (copy < 0)

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt return copy;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt unit_serialize_item_format(u, f, "starter-fd", "%i", copy);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt }

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt return 0;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt}

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktstatic int busname_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = BUSNAME(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(n);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(key);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(value);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (streq(key, "state")) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusNameState state;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt state = busname_state_from_string(value);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (state < 0)

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt log_debug_unit(u->id, "Failed to parse state value %s", value);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt else

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt n->deserialized_state = state;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt } else if (streq(key, "result")) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusNameResult f;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt f = busname_result_from_string(value);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt if (f < 0)

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt log_debug_unit(u->id, "Failed to parse result value %s", value);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt else if (f != BUSNAME_SUCCESS)

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt n->result = f;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt } else if (streq(key, "starter-fd")) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt int fd;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt log_debug_unit(u->id, "Failed to parse starter fd value %s", value);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt else {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (n->starter_fd >= 0)

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt close_nointr_nofail(n->starter_fd);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt n->starter_fd = fdset_remove(fds, fd);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt }

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt } else

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt log_debug_unit(u->id, "Unknown serialization key '%s'", key);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return 0;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt_pure_ static UnitActiveState busname_active_state(Unit *u) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return state_translation_table[BUSNAME(u)->state];

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt_pure_ static const char *busname_sub_state_to_string(Unit *u) {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt assert(u);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return busname_state_to_string(BUSNAME(u)->state);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktstatic int busname_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = userdata;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt assert(n);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt assert(fd >= 0);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (n->state != BUSNAME_LISTENING)

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return 0;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt log_debug_unit(UNIT(n)->id, "Activation request on %s", UNIT(n)->id);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (revents != EPOLLIN) {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt log_error_unit(UNIT(n)->id, "%s: Got unexpected poll event (0x%x) on starter fd.",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt UNIT(n)->id, revents);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt goto fail;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt }

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt busname_enter_running(n);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return 0;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktfail:

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return 0;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktstatic void busname_reset_failed(Unit *u) {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt BusName *n = BUSNAME(u);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt assert(n);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (n->state == BUSNAME_FAILED)

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt busname_set_state(n, BUSNAME_DEAD);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt n->result = BUSNAME_SUCCESS;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt}

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flyktstatic void busname_trigger_notify(Unit *u, Unit *other) {

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt BusName *n = BUSNAME(u);

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt Service *s;

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt

5e256ea7d3d556b3a1fb5c1faa94ec6a8833e53ePatrik Flykt assert(n);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt assert(other);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (!IN_SET(n->state, BUSNAME_RUNNING, BUSNAME_LISTENING))

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (other->load_state != UNIT_LOADED || other->type != UNIT_SERVICE)

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt return;

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt s = SERVICE(other);

947527f8326d3591f252c48fee5426a563f03544Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt if (s->state == SERVICE_FAILED && s->result == SERVICE_FAILURE_START_LIMIT)

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt busname_enter_dead(n, BUSNAME_FAILURE_SERVICE_FAILED_PERMANENT);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt else if (IN_SET(s->state,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt SERVICE_DEAD, SERVICE_FAILED,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt SERVICE_STOP_POST, SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt SERVICE_AUTO_RESTART))

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt busname_enter_listening(n);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt}

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktstatic const char* const busname_state_table[_BUSNAME_STATE_MAX] = {

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen [BUSNAME_DEAD] = "dead",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt [BUSNAME_LISTENING] = "listening",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt [BUSNAME_RUNNING] = "running",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt [BUSNAME_FAILED] = "failed"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt};

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik FlyktDEFINE_STRING_TABLE_LOOKUP(busname_state, BusNameState);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktstatic const char* const busname_result_table[_BUSNAME_RESULT_MAX] = {

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt [BUSNAME_SUCCESS] = "success",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt [BUSNAME_FAILURE_RESOURCES] = "resources",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt};

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik FlyktDEFINE_STRING_TABLE_LOOKUP(busname_result, BusNameResult);

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flyktconst UnitVTable busname_vtable = {

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen .object_size = sizeof(BusName),

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .sections =

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt "Unit\0"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt "BusName\0"

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt "Install\0",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .private_section = "BusName",

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .init = busname_init,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .done = busname_done,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .load = busname_load,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .coldplug = busname_coldplug,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .dump = busname_dump,

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .start = busname_start,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .stop = busname_stop,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .serialize = busname_serialize,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .deserialize_item = busname_deserialize_item,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .active_state = busname_active_state,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .sub_state_to_string = busname_sub_state_to_string,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .trigger_notify = busname_trigger_notify,

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt .reset_failed = busname_reset_failed,

859cca44f834ab1cc3e41fa6b94744f1856ab027Patrik Flykt

2ea8857effb833615b16d10fc7a19a7104c19e13Patrik Flykt .bus_interface = "org.freedesktop.systemd1.BusName",

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt .bus_vtable = bus_busname_vtable,

f12ed3bf0b315fc88d5fbdf5bdca14b218c86e0cPatrik Flykt

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .status_message_formats = {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt .finished_start_job = {

813e3a6ffcd094696001716480bbd68008cc54c8Patrik Flykt [JOB_DONE] = "Listening on %s.",

[JOB_FAILED] = "Failed to listen on %s.",

[JOB_DEPENDENCY] = "Dependency failed for %s.",

[JOB_TIMEOUT] = "Timed out starting %s.",

},

.finished_stop_job = {

[JOB_DONE] = "Closed %s.",

[JOB_FAILED] = "Failed stopping %s.",

[JOB_TIMEOUT] = "Timed out stopping %s.",

},

},

};