1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 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 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/types.h>
27 #include <sys/epoll.h>
29 #include <arpa/inet.h>
34 #include "load-dropin.h"
35 #include "load-fragment.h"
37 #include "unit-name.h"
39 static const UnitActiveState state_translation_table
[_SOCKET_STATE_MAX
] = {
40 [SOCKET_DEAD
] = UNIT_INACTIVE
,
41 [SOCKET_START_PRE
] = UNIT_ACTIVATING
,
42 [SOCKET_START_POST
] = UNIT_ACTIVATING
,
43 [SOCKET_LISTENING
] = UNIT_ACTIVE
,
44 [SOCKET_RUNNING
] = UNIT_ACTIVE
,
45 [SOCKET_STOP_PRE
] = UNIT_DEACTIVATING
,
46 [SOCKET_STOP_PRE_SIGTERM
] = UNIT_DEACTIVATING
,
47 [SOCKET_STOP_PRE_SIGKILL
] = UNIT_DEACTIVATING
,
48 [SOCKET_STOP_POST
] = UNIT_DEACTIVATING
,
49 [SOCKET_FINAL_SIGTERM
] = UNIT_DEACTIVATING
,
50 [SOCKET_FINAL_SIGKILL
] = UNIT_DEACTIVATING
,
51 [SOCKET_MAINTAINANCE
] = UNIT_INACTIVE
,
54 static const char* const state_string_table
[_SOCKET_STATE_MAX
] = {
55 [SOCKET_DEAD
] = "dead",
56 [SOCKET_START_PRE
] = "start-pre",
57 [SOCKET_START_POST
] = "start-post",
58 [SOCKET_LISTENING
] = "listening",
59 [SOCKET_RUNNING
] = "running",
60 [SOCKET_STOP_PRE
] = "stop-pre",
61 [SOCKET_STOP_PRE_SIGTERM
] = "stop-pre-sigterm",
62 [SOCKET_STOP_PRE_SIGKILL
] = "stop-pre-sigkill",
63 [SOCKET_STOP_POST
] = "stop-post",
64 [SOCKET_FINAL_SIGTERM
] = "final-sigterm",
65 [SOCKET_FINAL_SIGKILL
] = "final-sigkill",
66 [SOCKET_MAINTAINANCE
] = "maintainance"
69 static void socket_unwatch_control_pid(Socket
*s
) {
72 if (s
->control_pid
<= 0)
75 unit_unwatch_pid(UNIT(s
), s
->control_pid
);
79 static void socket_done(Unit
*u
) {
80 Socket
*s
= SOCKET(u
);
85 while ((p
= s
->ports
)) {
86 LIST_REMOVE(SocketPort
, port
, s
->ports
, p
);
94 exec_context_done(&s
->exec_context
);
95 exec_command_free_array(s
->exec_command
, _SOCKET_EXEC_COMMAND_MAX
);
96 s
->control_command
= NULL
;
98 socket_unwatch_control_pid(s
);
102 free(s
->bind_to_device
);
103 s
->bind_to_device
= NULL
;
105 unit_unwatch_timer(u
, &s
->timer_watch
);
108 static void socket_init(Unit
*u
) {
109 Socket
*s
= SOCKET(u
);
112 assert(u
->meta
.load_state
== UNIT_STUB
);
114 s
->timer_watch
.type
= WATCH_INVALID
;
115 s
->backlog
= SOMAXCONN
;
116 s
->timeout_usec
= DEFAULT_TIMEOUT_USEC
;
117 s
->directory_mode
= 0755;
118 s
->socket_mode
= 0666;
120 exec_context_init(&s
->exec_context
);
123 static bool have_non_accept_socket(Socket
*s
) {
131 LIST_FOREACH(port
, p
, s
->ports
)
132 if (!socket_address_can_accept(&p
->address
))
138 static int socket_verify(Socket
*s
) {
141 if (UNIT(s
)->meta
.load_state
!= UNIT_LOADED
)
145 log_error("%s lacks Listen setting. Refusing.", UNIT(s
)->meta
.id
);
152 static int socket_load(Unit
*u
) {
153 Socket
*s
= SOCKET(u
);
157 assert(u
->meta
.load_state
== UNIT_STUB
);
159 if ((r
= unit_load_fragment_and_dropin(u
)) < 0)
162 /* This is a new unit? Then let's add in some extras */
163 if (u
->meta
.load_state
== UNIT_LOADED
) {
165 if (have_non_accept_socket(s
)) {
166 if ((r
= unit_load_related_unit(u
, ".service", (Unit
**) &s
->service
)))
169 if ((r
= unit_add_dependency(u
, UNIT_BEFORE
, UNIT(s
->service
))) < 0)
173 if ((r
= unit_add_exec_dependencies(u
, &s
->exec_context
)) < 0)
176 if ((r
= unit_add_default_cgroup(u
)) < 0)
180 return socket_verify(s
);
183 static const char* listen_lookup(int type
) {
185 if (type
== SOCK_STREAM
)
186 return "ListenStream";
187 else if (type
== SOCK_DGRAM
)
188 return "ListenDatagram";
189 else if (type
== SOCK_SEQPACKET
)
190 return "ListenSequentialPacket";
192 assert_not_reached("Unknown socket type");
196 static void socket_dump(Unit
*u
, FILE *f
, const char *prefix
) {
198 static const char* const command_table
[_SOCKET_EXEC_COMMAND_MAX
] = {
199 [SOCKET_EXEC_START_PRE
] = "StartPre",
200 [SOCKET_EXEC_START_POST
] = "StartPost",
201 [SOCKET_EXEC_STOP_PRE
] = "StopPre",
202 [SOCKET_EXEC_STOP_POST
] = "StopPost"
206 Socket
*s
= SOCKET(u
);
214 p2
= strappend(prefix
, "\t");
215 prefix2
= p2
? p2
: prefix
;
218 "%sSocket State: %s\n"
219 "%sBindIPv6Only: %s\n"
222 "%sSocketMode: %04o\n"
223 "%sDirectoryMode: %04o\n",
224 prefix
, state_string_table
[s
->state
],
225 prefix
, yes_no(s
->bind_ipv6_only
),
227 prefix
, kill_mode_to_string(s
->kill_mode
),
228 prefix
, s
->socket_mode
,
229 prefix
, s
->directory_mode
);
231 if (s
->control_pid
> 0)
233 "%sControl PID: %llu\n",
234 prefix
, (unsigned long long) s
->control_pid
);
236 if (s
->bind_to_device
)
238 "%sBindToDevice: %s\n",
239 prefix
, s
->bind_to_device
);
244 prefix
, s
->n_accepted
);
246 LIST_FOREACH(port
, p
, s
->ports
) {
248 if (p
->type
== SOCKET_SOCKET
) {
253 if ((r
= socket_address_print(&p
->address
, &k
)) < 0)
258 fprintf(f
, "%s%s: %s\n", prefix
, listen_lookup(p
->address
.type
), k
);
261 fprintf(f
, "%sListenFIFO: %s\n", prefix
, p
->path
);
264 exec_context_dump(&s
->exec_context
, f
, prefix
);
266 for (c
= 0; c
< _SOCKET_EXEC_COMMAND_MAX
; c
++) {
267 if (!s
->exec_command
[c
])
270 fprintf(f
, "%s→ %s:\n",
271 prefix
, command_table
[c
]);
273 exec_command_dump_list(s
->exec_command
[c
], f
, prefix2
);
279 static int instance_from_socket(int fd
, unsigned nr
, char **instance
) {
284 struct sockaddr_un un
;
285 struct sockaddr_in in
;
286 struct sockaddr_in6 in6
;
287 struct sockaddr_storage storage
;
294 if (getsockname(fd
, &local
.sa
, &l
) < 0)
298 if (getpeername(fd
, &remote
.sa
, &l
) < 0)
301 switch (local
.sa
.sa_family
) {
305 a
= ntohl(local
.in
.sin_addr
.s_addr
),
306 b
= ntohl(remote
.in
.sin_addr
.s_addr
);
309 "%u-%u.%u.%u.%u-%u-%u.%u.%u.%u-%u",
311 a
>> 24, (a
>> 16) & 0xFF, (a
>> 8) & 0xFF, a
& 0xFF,
312 ntohs(local
.in
.sin_port
),
313 b
>> 24, (b
>> 16) & 0xFF, (b
>> 8) & 0xFF, b
& 0xFF,
314 ntohs(remote
.in
.sin_port
)) < 0)
321 char a
[INET6_ADDRSTRLEN
], b
[INET6_ADDRSTRLEN
];
326 inet_ntop(AF_INET6
, &local
.in6
.sin6_addr
, a
, sizeof(a
)),
327 ntohs(local
.in6
.sin6_port
),
328 inet_ntop(AF_INET6
, &remote
.in6
.sin6_addr
, b
, sizeof(b
)),
329 ntohs(remote
.in6
.sin6_port
)) < 0)
339 if (getsockopt(fd
, SOL_SOCKET
, SO_PEERCRED
, &ucred
, &l
) < 0)
345 (unsigned long long) ucred
.pid
,
346 (unsigned long long) ucred
.uid
) < 0)
353 assert_not_reached("Unhandled socket type.");
360 static void socket_close_fds(Socket
*s
) {
365 LIST_FOREACH(port
, p
, s
->ports
) {
369 unit_unwatch_fd(UNIT(s
), &p
->fd_watch
);
370 assert_se(close_nointr(p
->fd
) >= 0);
376 static int socket_open_fds(Socket
*s
) {
382 LIST_FOREACH(port
, p
, s
->ports
) {
387 if (p
->type
== SOCKET_SOCKET
) {
389 if ((r
= socket_address_listen(
401 assert(p
->type
== SOCKET_FIFO
);
403 mkdir_parents(p
->path
, s
->directory_mode
);
405 if (mkfifo(p
->path
, s
->socket_mode
) < 0 && errno
!= EEXIST
) {
410 if ((p
->fd
= open(p
->path
, O_RDWR
|O_CLOEXEC
|O_NOCTTY
|O_NONBLOCK
|O_NOFOLLOW
)) < 0) {
415 if (fstat(p
->fd
, &st
) < 0) {
420 /* FIXME verify user, access mode */
422 if (!S_ISFIFO(st
.st_mode
)) {
436 static void socket_unwatch_fds(Socket
*s
) {
441 LIST_FOREACH(port
, p
, s
->ports
) {
445 unit_unwatch_fd(UNIT(s
), &p
->fd_watch
);
449 static int socket_watch_fds(Socket
*s
) {
455 LIST_FOREACH(port
, p
, s
->ports
) {
459 p
->fd_watch
.data
.socket_accept
=
461 socket_address_can_accept(&p
->address
);
463 if ((r
= unit_watch_fd(UNIT(s
), p
->fd
, EPOLLIN
, &p
->fd_watch
)) < 0)
470 socket_unwatch_fds(s
);
474 static void socket_set_state(Socket
*s
, SocketState state
) {
475 SocketState old_state
;
478 old_state
= s
->state
;
481 if (state
!= SOCKET_START_PRE
&&
482 state
!= SOCKET_START_POST
&&
483 state
!= SOCKET_STOP_PRE
&&
484 state
!= SOCKET_STOP_PRE_SIGTERM
&&
485 state
!= SOCKET_STOP_PRE_SIGKILL
&&
486 state
!= SOCKET_STOP_POST
&&
487 state
!= SOCKET_FINAL_SIGTERM
&&
488 state
!= SOCKET_FINAL_SIGKILL
) {
489 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
490 socket_unwatch_control_pid(s
);
491 s
->control_command
= NULL
;
494 if (state
!= SOCKET_START_POST
&&
495 state
!= SOCKET_LISTENING
&&
496 state
!= SOCKET_RUNNING
&&
497 state
!= SOCKET_STOP_PRE
&&
498 state
!= SOCKET_STOP_PRE_SIGTERM
&&
499 state
!= SOCKET_STOP_PRE_SIGKILL
)
502 if (state
!= SOCKET_LISTENING
)
503 socket_unwatch_fds(s
);
505 if (state
!= old_state
)
506 log_debug("%s changed %s → %s", s
->meta
.id
, state_string_table
[old_state
], state_string_table
[state
]);
508 unit_notify(UNIT(s
), state_translation_table
[old_state
], state_translation_table
[state
]);
511 static int socket_spawn(Socket
*s
, ExecCommand
*c
, pid_t
*_pid
) {
520 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
523 if (!(argv
= unit_full_printf_strv(UNIT(s
), c
->argv
))) {
534 UNIT(s
)->meta
.manager
->confirm_spawn
,
535 UNIT(s
)->meta
.cgroup_bondings
,
542 if ((r
= unit_watch_pid(UNIT(s
), pid
)) < 0)
543 /* FIXME: we need to do something here */
551 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
556 static void socket_enter_dead(Socket
*s
, bool success
) {
562 socket_set_state(s
, s
->failure
? SOCKET_MAINTAINANCE
: SOCKET_DEAD
);
565 static void socket_enter_signal(Socket
*s
, SocketState state
, bool success
);
567 static void socket_enter_stop_post(Socket
*s
, bool success
) {
574 socket_unwatch_control_pid(s
);
576 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_STOP_POST
])) {
577 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
580 socket_set_state(s
, SOCKET_STOP_POST
);
582 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, true);
587 log_warning("%s failed to run stop-post executable: %s", s
->meta
.id
, strerror(-r
));
588 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
591 static void socket_enter_signal(Socket
*s
, SocketState state
, bool success
) {
600 if (s
->kill_mode
!= KILL_NONE
) {
601 int sig
= (state
== SOCKET_STOP_PRE_SIGTERM
|| state
== SOCKET_FINAL_SIGTERM
) ? SIGTERM
: SIGKILL
;
603 if (s
->kill_mode
== KILL_CONTROL_GROUP
) {
605 if ((r
= cgroup_bonding_kill_list(UNIT(s
)->meta
.cgroup_bondings
, sig
)) < 0) {
606 if (r
!= -EAGAIN
&& r
!= -ESRCH
)
612 if (!sent
&& s
->control_pid
> 0)
613 if (kill(s
->kill_mode
== KILL_PROCESS
? s
->control_pid
: -s
->control_pid
, sig
) < 0 && errno
!= ESRCH
) {
620 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
623 socket_set_state(s
, state
);
624 } else if (state
== SOCKET_STOP_PRE_SIGTERM
|| state
== SOCKET_STOP_PRE_SIGKILL
)
625 socket_enter_stop_post(s
, true);
627 socket_enter_dead(s
, true);
632 log_warning("%s failed to kill processes: %s", s
->meta
.id
, strerror(-r
));
634 if (state
== SOCKET_STOP_PRE_SIGTERM
|| state
== SOCKET_STOP_PRE_SIGKILL
)
635 socket_enter_stop_post(s
, false);
637 socket_enter_dead(s
, false);
640 static void socket_enter_stop_pre(Socket
*s
, bool success
) {
647 socket_unwatch_control_pid(s
);
649 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_STOP_PRE
])) {
650 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
653 socket_set_state(s
, SOCKET_STOP_PRE
);
655 socket_enter_stop_post(s
, true);
660 log_warning("%s failed to run stop-pre executable: %s", s
->meta
.id
, strerror(-r
));
661 socket_enter_stop_post(s
, false);
664 static void socket_enter_listening(Socket
*s
) {
668 if ((r
= socket_watch_fds(s
)) < 0) {
669 log_warning("%s failed to watch sockets: %s", s
->meta
.id
, strerror(-r
));
673 socket_set_state(s
, SOCKET_LISTENING
);
677 socket_enter_stop_pre(s
, false);
680 static void socket_enter_start_post(Socket
*s
) {
684 if ((r
= socket_open_fds(s
)) < 0) {
685 log_warning("%s failed to listen on sockets: %s", s
->meta
.id
, strerror(-r
));
689 socket_unwatch_control_pid(s
);
691 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_START_POST
])) {
692 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0) {
693 log_warning("%s failed to run start-post executable: %s", s
->meta
.id
, strerror(-r
));
697 socket_set_state(s
, SOCKET_START_POST
);
699 socket_enter_listening(s
);
704 socket_enter_stop_pre(s
, false);
707 static void socket_enter_start_pre(Socket
*s
) {
711 socket_unwatch_control_pid(s
);
713 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_START_PRE
])) {
714 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
717 socket_set_state(s
, SOCKET_START_PRE
);
719 socket_enter_start_post(s
);
724 log_warning("%s failed to run start-pre exectuable: %s", s
->meta
.id
, strerror(-r
));
725 socket_enter_dead(s
, false);
728 static void socket_enter_running(Socket
*s
, int cfd
) {
734 if ((r
= manager_add_job(UNIT(s
)->meta
.manager
, JOB_START
, UNIT(s
->service
), JOB_REPLACE
, true, NULL
)) < 0)
737 socket_set_state(s
, SOCKET_RUNNING
);
740 char *prefix
, *instance
, *name
;
742 if ((r
= instance_from_socket(cfd
, s
->n_accepted
++, &instance
)))
745 if (!(prefix
= unit_name_to_prefix(UNIT(s
)->meta
.id
))) {
751 name
= unit_name_build(prefix
, instance
, ".service");
758 r
= manager_load_unit(UNIT(s
)->meta
.manager
, name
, NULL
, &u
);
764 if ((r
= service_set_socket_fd(SERVICE(u
), cfd
) < 0))
769 if ((r
= manager_add_job(u
->meta
.manager
, JOB_START
, u
, JOB_REPLACE
, true, NULL
)) < 0)
776 log_warning("%s failed to queue socket startup job: %s", s
->meta
.id
, strerror(-r
));
777 socket_enter_stop_pre(s
, false);
780 close_nointr_nofail(cfd
);
783 static void socket_run_next(Socket
*s
, bool success
) {
787 assert(s
->control_command
);
788 assert(s
->control_command
->command_next
);
793 socket_unwatch_control_pid(s
);
795 s
->control_command
= s
->control_command
->command_next
;
797 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
803 log_warning("%s failed to run spawn next executable: %s", s
->meta
.id
, strerror(-r
));
805 if (s
->state
== SOCKET_START_POST
)
806 socket_enter_stop_pre(s
, false);
807 else if (s
->state
== SOCKET_STOP_POST
)
808 socket_enter_dead(s
, false);
810 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
813 static int socket_start(Unit
*u
) {
814 Socket
*s
= SOCKET(u
);
818 /* We cannot fulfill this request right now, try again later
820 if (s
->state
== SOCKET_STOP_PRE
||
821 s
->state
== SOCKET_STOP_PRE_SIGKILL
||
822 s
->state
== SOCKET_STOP_PRE_SIGTERM
||
823 s
->state
== SOCKET_STOP_POST
||
824 s
->state
== SOCKET_FINAL_SIGTERM
||
825 s
->state
== SOCKET_FINAL_SIGKILL
)
828 if (s
->state
== SOCKET_START_PRE
||
829 s
->state
== SOCKET_START_POST
)
832 /* Cannot run this without the service being around */
834 if (s
->service
->meta
.load_state
!= UNIT_LOADED
)
837 /* If the service is alredy actvie we cannot start the
839 if (s
->service
->state
!= SERVICE_DEAD
&&
840 s
->service
->state
!= SERVICE_MAINTAINANCE
&&
841 s
->service
->state
!= SERVICE_AUTO_RESTART
)
845 assert(s
->state
== SOCKET_DEAD
|| s
->state
== SOCKET_MAINTAINANCE
);
848 socket_enter_start_pre(s
);
852 static int socket_stop(Unit
*u
) {
853 Socket
*s
= SOCKET(u
);
857 /* We cannot fulfill this request right now, try again later
859 if (s
->state
== SOCKET_START_PRE
||
860 s
->state
== SOCKET_START_POST
)
864 if (s
->state
== SOCKET_STOP_PRE
||
865 s
->state
== SOCKET_STOP_PRE_SIGTERM
||
866 s
->state
== SOCKET_STOP_PRE_SIGKILL
||
867 s
->state
== SOCKET_STOP_POST
||
868 s
->state
== SOCKET_FINAL_SIGTERM
||
869 s
->state
== SOCKET_FINAL_SIGTERM
)
872 assert(s
->state
== SOCKET_LISTENING
|| s
->state
== SOCKET_RUNNING
);
874 socket_enter_stop_pre(s
, true);
878 static UnitActiveState
socket_active_state(Unit
*u
) {
881 return state_translation_table
[SOCKET(u
)->state
];
884 static const char *socket_sub_state_to_string(Unit
*u
) {
887 return state_string_table
[SOCKET(u
)->state
];
890 static void socket_fd_event(Unit
*u
, int fd
, uint32_t events
, Watch
*w
) {
891 Socket
*s
= SOCKET(u
);
897 log_debug("Incoming traffic on %s", u
->meta
.id
);
899 if (events
!= EPOLLIN
) {
900 log_error("Got invalid poll event on socket.");
904 if (w
->data
.socket_accept
) {
907 if ((cfd
= accept4(fd
, NULL
, NULL
, SOCK_NONBLOCK
)) < 0) {
912 log_error("Failed to accept socket: %m");
920 socket_enter_running(s
, cfd
);
924 socket_enter_stop_pre(s
, false);
927 static void socket_sigchld_event(Unit
*u
, pid_t pid
, int code
, int status
) {
928 Socket
*s
= SOCKET(u
);
934 success
= code
== CLD_EXITED
&& status
== 0;
935 s
->failure
= s
->failure
|| !success
;
937 assert(s
->control_pid
== pid
);
938 assert(s
->control_command
);
940 exec_status_fill(&s
->control_command
->exec_status
, pid
, code
, status
);
943 log_debug("%s control process exited, code=%s status=%i", u
->meta
.id
, sigchld_code_to_string(code
), status
);
945 if (s
->control_command
->command_next
&& success
) {
946 log_debug("%s running next command for state %s", u
->meta
.id
, state_string_table
[s
->state
]);
947 socket_run_next(s
, success
);
949 /* No further commands for this step, so let's figure
950 * out what to do next */
952 log_debug("%s got final SIGCHLD for state %s", u
->meta
.id
, state_string_table
[s
->state
]);
956 case SOCKET_START_PRE
:
958 socket_enter_start_post(s
);
960 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
963 case SOCKET_START_POST
:
965 socket_enter_listening(s
);
967 socket_enter_stop_pre(s
, false);
970 case SOCKET_STOP_PRE
:
971 case SOCKET_STOP_PRE_SIGTERM
:
972 case SOCKET_STOP_PRE_SIGKILL
:
973 socket_enter_stop_post(s
, success
);
976 case SOCKET_STOP_POST
:
977 case SOCKET_FINAL_SIGTERM
:
978 case SOCKET_FINAL_SIGKILL
:
979 socket_enter_dead(s
, success
);
983 assert_not_reached("Uh, control process died at wrong time.");
988 static void socket_timer_event(Unit
*u
, uint64_t elapsed
, Watch
*w
) {
989 Socket
*s
= SOCKET(u
);
992 assert(elapsed
== 1);
993 assert(w
== &s
->timer_watch
);
997 case SOCKET_START_PRE
:
998 log_warning("%s starting timed out. Terminating.", u
->meta
.id
);
999 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
1001 case SOCKET_START_POST
:
1002 log_warning("%s starting timed out. Stopping.", u
->meta
.id
);
1003 socket_enter_stop_pre(s
, false);
1006 case SOCKET_STOP_PRE
:
1007 log_warning("%s stopping timed out. Terminating.", u
->meta
.id
);
1008 socket_enter_signal(s
, SOCKET_STOP_PRE_SIGTERM
, false);
1011 case SOCKET_STOP_PRE_SIGTERM
:
1012 log_warning("%s stopping timed out. Killing.", u
->meta
.id
);
1013 socket_enter_signal(s
, SOCKET_STOP_PRE_SIGKILL
, false);
1016 case SOCKET_STOP_PRE_SIGKILL
:
1017 log_warning("%s still around after SIGKILL. Ignoring.", u
->meta
.id
);
1018 socket_enter_stop_post(s
, false);
1021 case SOCKET_STOP_POST
:
1022 log_warning("%s stopping timed out (2). Terminating.", u
->meta
.id
);
1023 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
1026 case SOCKET_FINAL_SIGTERM
:
1027 log_warning("%s stopping timed out (2). Killing.", u
->meta
.id
);
1028 socket_enter_signal(s
, SOCKET_FINAL_SIGKILL
, false);
1031 case SOCKET_FINAL_SIGKILL
:
1032 log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", u
->meta
.id
);
1033 socket_enter_dead(s
, false);
1037 assert_not_reached("Timeout at wrong time.");
1041 int socket_collect_fds(Socket
*s
, int **fds
, unsigned *n_fds
) {
1050 /* Called from the service code for requesting our fds */
1053 LIST_FOREACH(port
, p
, s
->ports
)
1057 if (!(rfds
= new(int, rn_fds
)) < 0)
1061 LIST_FOREACH(port
, p
, s
->ports
)
1065 assert(k
== rn_fds
);
1073 void socket_notify_service_dead(Socket
*s
) {
1076 /* The service is dead. Dang. */
1078 if (s
->state
== SOCKET_RUNNING
) {
1079 log_debug("%s got notified about service death.", s
->meta
.id
);
1080 socket_enter_listening(s
);
1084 const UnitVTable socket_vtable
= {
1085 .suffix
= ".socket",
1087 .init
= socket_init
,
1088 .load
= socket_load
,
1089 .done
= socket_done
,
1091 .dump
= socket_dump
,
1093 .start
= socket_start
,
1094 .stop
= socket_stop
,
1096 .active_state
= socket_active_state
,
1097 .sub_state_to_string
= socket_sub_state_to_string
,
1099 .fd_event
= socket_fd_event
,
1100 .sigchld_event
= socket_sigchld_event
,
1101 .timer_event
= socket_timer_event