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"
38 #include "dbus-socket.h"
40 static const UnitActiveState state_translation_table
[_SOCKET_STATE_MAX
] = {
41 [SOCKET_DEAD
] = UNIT_INACTIVE
,
42 [SOCKET_START_PRE
] = UNIT_ACTIVATING
,
43 [SOCKET_START_POST
] = UNIT_ACTIVATING
,
44 [SOCKET_LISTENING
] = UNIT_ACTIVE
,
45 [SOCKET_RUNNING
] = UNIT_ACTIVE
,
46 [SOCKET_STOP_PRE
] = UNIT_DEACTIVATING
,
47 [SOCKET_STOP_PRE_SIGTERM
] = UNIT_DEACTIVATING
,
48 [SOCKET_STOP_PRE_SIGKILL
] = UNIT_DEACTIVATING
,
49 [SOCKET_STOP_POST
] = UNIT_DEACTIVATING
,
50 [SOCKET_FINAL_SIGTERM
] = UNIT_DEACTIVATING
,
51 [SOCKET_FINAL_SIGKILL
] = UNIT_DEACTIVATING
,
52 [SOCKET_MAINTAINANCE
] = UNIT_INACTIVE
,
55 static const char* const state_string_table
[_SOCKET_STATE_MAX
] = {
56 [SOCKET_DEAD
] = "dead",
57 [SOCKET_START_PRE
] = "start-pre",
58 [SOCKET_START_POST
] = "start-post",
59 [SOCKET_LISTENING
] = "listening",
60 [SOCKET_RUNNING
] = "running",
61 [SOCKET_STOP_PRE
] = "stop-pre",
62 [SOCKET_STOP_PRE_SIGTERM
] = "stop-pre-sigterm",
63 [SOCKET_STOP_PRE_SIGKILL
] = "stop-pre-sigkill",
64 [SOCKET_STOP_POST
] = "stop-post",
65 [SOCKET_FINAL_SIGTERM
] = "final-sigterm",
66 [SOCKET_FINAL_SIGKILL
] = "final-sigkill",
67 [SOCKET_MAINTAINANCE
] = "maintainance"
70 static void socket_unwatch_control_pid(Socket
*s
) {
73 if (s
->control_pid
<= 0)
76 unit_unwatch_pid(UNIT(s
), s
->control_pid
);
80 static void socket_done(Unit
*u
) {
81 Socket
*s
= SOCKET(u
);
86 while ((p
= s
->ports
)) {
87 LIST_REMOVE(SocketPort
, port
, s
->ports
, p
);
95 exec_context_done(&s
->exec_context
);
96 exec_command_free_array(s
->exec_command
, _SOCKET_EXEC_COMMAND_MAX
);
97 s
->control_command
= NULL
;
99 socket_unwatch_control_pid(s
);
103 free(s
->bind_to_device
);
104 s
->bind_to_device
= NULL
;
106 unit_unwatch_timer(u
, &s
->timer_watch
);
109 static void socket_init(Unit
*u
) {
110 Socket
*s
= SOCKET(u
);
113 assert(u
->meta
.load_state
== UNIT_STUB
);
115 s
->timer_watch
.type
= WATCH_INVALID
;
116 s
->backlog
= SOMAXCONN
;
117 s
->timeout_usec
= DEFAULT_TIMEOUT_USEC
;
118 s
->directory_mode
= 0755;
119 s
->socket_mode
= 0666;
121 exec_context_init(&s
->exec_context
);
124 static bool have_non_accept_socket(Socket
*s
) {
132 LIST_FOREACH(port
, p
, s
->ports
)
133 if (!socket_address_can_accept(&p
->address
))
139 static int socket_verify(Socket
*s
) {
142 if (UNIT(s
)->meta
.load_state
!= UNIT_LOADED
)
146 log_error("%s lacks Listen setting. Refusing.", UNIT(s
)->meta
.id
);
153 static int socket_load(Unit
*u
) {
154 Socket
*s
= SOCKET(u
);
158 assert(u
->meta
.load_state
== UNIT_STUB
);
160 if ((r
= unit_load_fragment_and_dropin(u
)) < 0)
163 /* This is a new unit? Then let's add in some extras */
164 if (u
->meta
.load_state
== UNIT_LOADED
) {
166 if (have_non_accept_socket(s
)) {
167 if ((r
= unit_load_related_unit(u
, ".service", (Unit
**) &s
->service
)))
170 if ((r
= unit_add_dependency(u
, UNIT_BEFORE
, UNIT(s
->service
))) < 0)
174 if ((r
= unit_add_exec_dependencies(u
, &s
->exec_context
)) < 0)
177 if ((r
= unit_add_default_cgroup(u
)) < 0)
181 return socket_verify(s
);
184 static const char* listen_lookup(int type
) {
186 if (type
== SOCK_STREAM
)
187 return "ListenStream";
188 else if (type
== SOCK_DGRAM
)
189 return "ListenDatagram";
190 else if (type
== SOCK_SEQPACKET
)
191 return "ListenSequentialPacket";
193 assert_not_reached("Unknown socket type");
197 static void socket_dump(Unit
*u
, FILE *f
, const char *prefix
) {
199 static const char* const command_table
[_SOCKET_EXEC_COMMAND_MAX
] = {
200 [SOCKET_EXEC_START_PRE
] = "StartPre",
201 [SOCKET_EXEC_START_POST
] = "StartPost",
202 [SOCKET_EXEC_STOP_PRE
] = "StopPre",
203 [SOCKET_EXEC_STOP_POST
] = "StopPost"
207 Socket
*s
= SOCKET(u
);
215 p2
= strappend(prefix
, "\t");
216 prefix2
= p2
? p2
: prefix
;
219 "%sSocket State: %s\n"
220 "%sBindIPv6Only: %s\n"
223 "%sSocketMode: %04o\n"
224 "%sDirectoryMode: %04o\n",
225 prefix
, state_string_table
[s
->state
],
226 prefix
, yes_no(s
->bind_ipv6_only
),
228 prefix
, kill_mode_to_string(s
->kill_mode
),
229 prefix
, s
->socket_mode
,
230 prefix
, s
->directory_mode
);
232 if (s
->control_pid
> 0)
234 "%sControl PID: %llu\n",
235 prefix
, (unsigned long long) s
->control_pid
);
237 if (s
->bind_to_device
)
239 "%sBindToDevice: %s\n",
240 prefix
, s
->bind_to_device
);
245 prefix
, s
->n_accepted
);
247 LIST_FOREACH(port
, p
, s
->ports
) {
249 if (p
->type
== SOCKET_SOCKET
) {
254 if ((r
= socket_address_print(&p
->address
, &k
)) < 0)
259 fprintf(f
, "%s%s: %s\n", prefix
, listen_lookup(p
->address
.type
), k
);
262 fprintf(f
, "%sListenFIFO: %s\n", prefix
, p
->path
);
265 exec_context_dump(&s
->exec_context
, f
, prefix
);
267 for (c
= 0; c
< _SOCKET_EXEC_COMMAND_MAX
; c
++) {
268 if (!s
->exec_command
[c
])
271 fprintf(f
, "%s→ %s:\n",
272 prefix
, command_table
[c
]);
274 exec_command_dump_list(s
->exec_command
[c
], f
, prefix2
);
280 static int instance_from_socket(int fd
, unsigned nr
, char **instance
) {
285 struct sockaddr_un un
;
286 struct sockaddr_in in
;
287 struct sockaddr_in6 in6
;
288 struct sockaddr_storage storage
;
295 if (getsockname(fd
, &local
.sa
, &l
) < 0)
299 if (getpeername(fd
, &remote
.sa
, &l
) < 0)
302 switch (local
.sa
.sa_family
) {
306 a
= ntohl(local
.in
.sin_addr
.s_addr
),
307 b
= ntohl(remote
.in
.sin_addr
.s_addr
);
310 "%u-%u.%u.%u.%u-%u-%u.%u.%u.%u-%u",
312 a
>> 24, (a
>> 16) & 0xFF, (a
>> 8) & 0xFF, a
& 0xFF,
313 ntohs(local
.in
.sin_port
),
314 b
>> 24, (b
>> 16) & 0xFF, (b
>> 8) & 0xFF, b
& 0xFF,
315 ntohs(remote
.in
.sin_port
)) < 0)
322 char a
[INET6_ADDRSTRLEN
], b
[INET6_ADDRSTRLEN
];
327 inet_ntop(AF_INET6
, &local
.in6
.sin6_addr
, a
, sizeof(a
)),
328 ntohs(local
.in6
.sin6_port
),
329 inet_ntop(AF_INET6
, &remote
.in6
.sin6_addr
, b
, sizeof(b
)),
330 ntohs(remote
.in6
.sin6_port
)) < 0)
340 if (getsockopt(fd
, SOL_SOCKET
, SO_PEERCRED
, &ucred
, &l
) < 0)
346 (unsigned long long) ucred
.pid
,
347 (unsigned long long) ucred
.uid
) < 0)
354 assert_not_reached("Unhandled socket type.");
361 static void socket_close_fds(Socket
*s
) {
366 LIST_FOREACH(port
, p
, s
->ports
) {
370 unit_unwatch_fd(UNIT(s
), &p
->fd_watch
);
371 assert_se(close_nointr(p
->fd
) >= 0);
377 static int socket_open_fds(Socket
*s
) {
383 LIST_FOREACH(port
, p
, s
->ports
) {
388 if (p
->type
== SOCKET_SOCKET
) {
390 if ((r
= socket_address_listen(
402 assert(p
->type
== SOCKET_FIFO
);
404 mkdir_parents(p
->path
, s
->directory_mode
);
406 if (mkfifo(p
->path
, s
->socket_mode
) < 0 && errno
!= EEXIST
) {
411 if ((p
->fd
= open(p
->path
, O_RDWR
|O_CLOEXEC
|O_NOCTTY
|O_NONBLOCK
|O_NOFOLLOW
)) < 0) {
416 if (fstat(p
->fd
, &st
) < 0) {
421 /* FIXME verify user, access mode */
423 if (!S_ISFIFO(st
.st_mode
)) {
437 static void socket_unwatch_fds(Socket
*s
) {
442 LIST_FOREACH(port
, p
, s
->ports
) {
446 unit_unwatch_fd(UNIT(s
), &p
->fd_watch
);
450 static int socket_watch_fds(Socket
*s
) {
456 LIST_FOREACH(port
, p
, s
->ports
) {
460 p
->fd_watch
.data
.socket_accept
=
462 socket_address_can_accept(&p
->address
);
464 if ((r
= unit_watch_fd(UNIT(s
), p
->fd
, EPOLLIN
, &p
->fd_watch
)) < 0)
471 socket_unwatch_fds(s
);
475 static void socket_set_state(Socket
*s
, SocketState state
) {
476 SocketState old_state
;
479 old_state
= s
->state
;
482 if (state
!= SOCKET_START_PRE
&&
483 state
!= SOCKET_START_POST
&&
484 state
!= SOCKET_STOP_PRE
&&
485 state
!= SOCKET_STOP_PRE_SIGTERM
&&
486 state
!= SOCKET_STOP_PRE_SIGKILL
&&
487 state
!= SOCKET_STOP_POST
&&
488 state
!= SOCKET_FINAL_SIGTERM
&&
489 state
!= SOCKET_FINAL_SIGKILL
) {
490 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
491 socket_unwatch_control_pid(s
);
492 s
->control_command
= NULL
;
495 if (state
!= SOCKET_START_POST
&&
496 state
!= SOCKET_LISTENING
&&
497 state
!= SOCKET_RUNNING
&&
498 state
!= SOCKET_STOP_PRE
&&
499 state
!= SOCKET_STOP_PRE_SIGTERM
&&
500 state
!= SOCKET_STOP_PRE_SIGKILL
)
503 if (state
!= SOCKET_LISTENING
)
504 socket_unwatch_fds(s
);
506 if (state
!= old_state
)
507 log_debug("%s changed %s → %s", s
->meta
.id
, state_string_table
[old_state
], state_string_table
[state
]);
509 unit_notify(UNIT(s
), state_translation_table
[old_state
], state_translation_table
[state
]);
512 static int socket_spawn(Socket
*s
, ExecCommand
*c
, pid_t
*_pid
) {
521 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
524 if (!(argv
= unit_full_printf_strv(UNIT(s
), c
->argv
))) {
535 UNIT(s
)->meta
.manager
->confirm_spawn
,
536 UNIT(s
)->meta
.cgroup_bondings
,
543 if ((r
= unit_watch_pid(UNIT(s
), pid
)) < 0)
544 /* FIXME: we need to do something here */
552 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
557 static void socket_enter_dead(Socket
*s
, bool success
) {
563 socket_set_state(s
, s
->failure
? SOCKET_MAINTAINANCE
: SOCKET_DEAD
);
566 static void socket_enter_signal(Socket
*s
, SocketState state
, bool success
);
568 static void socket_enter_stop_post(Socket
*s
, bool success
) {
575 socket_unwatch_control_pid(s
);
577 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_STOP_POST
])) {
578 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
581 socket_set_state(s
, SOCKET_STOP_POST
);
583 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, true);
588 log_warning("%s failed to run stop-post executable: %s", s
->meta
.id
, strerror(-r
));
589 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
592 static void socket_enter_signal(Socket
*s
, SocketState state
, bool success
) {
601 if (s
->kill_mode
!= KILL_NONE
) {
602 int sig
= (state
== SOCKET_STOP_PRE_SIGTERM
|| state
== SOCKET_FINAL_SIGTERM
) ? SIGTERM
: SIGKILL
;
604 if (s
->kill_mode
== KILL_CONTROL_GROUP
) {
606 if ((r
= cgroup_bonding_kill_list(UNIT(s
)->meta
.cgroup_bondings
, sig
)) < 0) {
607 if (r
!= -EAGAIN
&& r
!= -ESRCH
)
613 if (!sent
&& s
->control_pid
> 0)
614 if (kill(s
->kill_mode
== KILL_PROCESS
? s
->control_pid
: -s
->control_pid
, sig
) < 0 && errno
!= ESRCH
) {
621 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
624 socket_set_state(s
, state
);
625 } else if (state
== SOCKET_STOP_PRE_SIGTERM
|| state
== SOCKET_STOP_PRE_SIGKILL
)
626 socket_enter_stop_post(s
, true);
628 socket_enter_dead(s
, true);
633 log_warning("%s failed to kill processes: %s", s
->meta
.id
, strerror(-r
));
635 if (state
== SOCKET_STOP_PRE_SIGTERM
|| state
== SOCKET_STOP_PRE_SIGKILL
)
636 socket_enter_stop_post(s
, false);
638 socket_enter_dead(s
, false);
641 static void socket_enter_stop_pre(Socket
*s
, bool success
) {
648 socket_unwatch_control_pid(s
);
650 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_STOP_PRE
])) {
651 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
654 socket_set_state(s
, SOCKET_STOP_PRE
);
656 socket_enter_stop_post(s
, true);
661 log_warning("%s failed to run stop-pre executable: %s", s
->meta
.id
, strerror(-r
));
662 socket_enter_stop_post(s
, false);
665 static void socket_enter_listening(Socket
*s
) {
669 if ((r
= socket_watch_fds(s
)) < 0) {
670 log_warning("%s failed to watch sockets: %s", s
->meta
.id
, strerror(-r
));
674 socket_set_state(s
, SOCKET_LISTENING
);
678 socket_enter_stop_pre(s
, false);
681 static void socket_enter_start_post(Socket
*s
) {
685 if ((r
= socket_open_fds(s
)) < 0) {
686 log_warning("%s failed to listen on sockets: %s", s
->meta
.id
, strerror(-r
));
690 socket_unwatch_control_pid(s
);
692 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_START_POST
])) {
693 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0) {
694 log_warning("%s failed to run start-post executable: %s", s
->meta
.id
, strerror(-r
));
698 socket_set_state(s
, SOCKET_START_POST
);
700 socket_enter_listening(s
);
705 socket_enter_stop_pre(s
, false);
708 static void socket_enter_start_pre(Socket
*s
) {
712 socket_unwatch_control_pid(s
);
714 if ((s
->control_command
= s
->exec_command
[SOCKET_EXEC_START_PRE
])) {
715 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
718 socket_set_state(s
, SOCKET_START_PRE
);
720 socket_enter_start_post(s
);
725 log_warning("%s failed to run start-pre exectuable: %s", s
->meta
.id
, strerror(-r
));
726 socket_enter_dead(s
, false);
729 static void socket_enter_running(Socket
*s
, int cfd
) {
735 if ((r
= manager_add_job(UNIT(s
)->meta
.manager
, JOB_START
, UNIT(s
->service
), JOB_REPLACE
, true, NULL
)) < 0)
738 socket_set_state(s
, SOCKET_RUNNING
);
741 char *prefix
, *instance
, *name
;
743 if ((r
= instance_from_socket(cfd
, s
->n_accepted
++, &instance
)))
746 if (!(prefix
= unit_name_to_prefix(UNIT(s
)->meta
.id
))) {
752 name
= unit_name_build(prefix
, instance
, ".service");
759 r
= manager_load_unit(UNIT(s
)->meta
.manager
, name
, NULL
, &u
);
765 if ((r
= service_set_socket_fd(SERVICE(u
), cfd
) < 0))
770 if ((r
= manager_add_job(u
->meta
.manager
, JOB_START
, u
, JOB_REPLACE
, true, NULL
)) < 0)
777 log_warning("%s failed to queue socket startup job: %s", s
->meta
.id
, strerror(-r
));
778 socket_enter_stop_pre(s
, false);
781 close_nointr_nofail(cfd
);
784 static void socket_run_next(Socket
*s
, bool success
) {
788 assert(s
->control_command
);
789 assert(s
->control_command
->command_next
);
794 socket_unwatch_control_pid(s
);
796 s
->control_command
= s
->control_command
->command_next
;
798 if ((r
= socket_spawn(s
, s
->control_command
, &s
->control_pid
)) < 0)
804 log_warning("%s failed to run spawn next executable: %s", s
->meta
.id
, strerror(-r
));
806 if (s
->state
== SOCKET_START_POST
)
807 socket_enter_stop_pre(s
, false);
808 else if (s
->state
== SOCKET_STOP_POST
)
809 socket_enter_dead(s
, false);
811 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
814 static int socket_start(Unit
*u
) {
815 Socket
*s
= SOCKET(u
);
819 /* We cannot fulfill this request right now, try again later
821 if (s
->state
== SOCKET_STOP_PRE
||
822 s
->state
== SOCKET_STOP_PRE_SIGKILL
||
823 s
->state
== SOCKET_STOP_PRE_SIGTERM
||
824 s
->state
== SOCKET_STOP_POST
||
825 s
->state
== SOCKET_FINAL_SIGTERM
||
826 s
->state
== SOCKET_FINAL_SIGKILL
)
829 if (s
->state
== SOCKET_START_PRE
||
830 s
->state
== SOCKET_START_POST
)
833 /* Cannot run this without the service being around */
835 if (s
->service
->meta
.load_state
!= UNIT_LOADED
)
838 /* If the service is alredy actvie we cannot start the
840 if (s
->service
->state
!= SERVICE_DEAD
&&
841 s
->service
->state
!= SERVICE_MAINTAINANCE
&&
842 s
->service
->state
!= SERVICE_AUTO_RESTART
)
846 assert(s
->state
== SOCKET_DEAD
|| s
->state
== SOCKET_MAINTAINANCE
);
849 socket_enter_start_pre(s
);
853 static int socket_stop(Unit
*u
) {
854 Socket
*s
= SOCKET(u
);
858 /* We cannot fulfill this request right now, try again later
860 if (s
->state
== SOCKET_START_PRE
||
861 s
->state
== SOCKET_START_POST
)
865 if (s
->state
== SOCKET_STOP_PRE
||
866 s
->state
== SOCKET_STOP_PRE_SIGTERM
||
867 s
->state
== SOCKET_STOP_PRE_SIGKILL
||
868 s
->state
== SOCKET_STOP_POST
||
869 s
->state
== SOCKET_FINAL_SIGTERM
||
870 s
->state
== SOCKET_FINAL_SIGTERM
)
873 assert(s
->state
== SOCKET_LISTENING
|| s
->state
== SOCKET_RUNNING
);
875 socket_enter_stop_pre(s
, true);
879 static UnitActiveState
socket_active_state(Unit
*u
) {
882 return state_translation_table
[SOCKET(u
)->state
];
885 static const char *socket_sub_state_to_string(Unit
*u
) {
888 return state_string_table
[SOCKET(u
)->state
];
891 static void socket_fd_event(Unit
*u
, int fd
, uint32_t events
, Watch
*w
) {
892 Socket
*s
= SOCKET(u
);
898 log_debug("Incoming traffic on %s", u
->meta
.id
);
900 if (events
!= EPOLLIN
) {
901 log_error("Got invalid poll event on socket.");
905 if (w
->data
.socket_accept
) {
908 if ((cfd
= accept4(fd
, NULL
, NULL
, SOCK_NONBLOCK
)) < 0) {
913 log_error("Failed to accept socket: %m");
921 socket_enter_running(s
, cfd
);
925 socket_enter_stop_pre(s
, false);
928 static void socket_sigchld_event(Unit
*u
, pid_t pid
, int code
, int status
) {
929 Socket
*s
= SOCKET(u
);
935 success
= code
== CLD_EXITED
&& status
== 0;
936 s
->failure
= s
->failure
|| !success
;
938 assert(s
->control_pid
== pid
);
939 assert(s
->control_command
);
941 exec_status_fill(&s
->control_command
->exec_status
, pid
, code
, status
);
944 log_debug("%s control process exited, code=%s status=%i", u
->meta
.id
, sigchld_code_to_string(code
), status
);
946 if (s
->control_command
->command_next
&& success
) {
947 log_debug("%s running next command for state %s", u
->meta
.id
, state_string_table
[s
->state
]);
948 socket_run_next(s
, success
);
950 /* No further commands for this step, so let's figure
951 * out what to do next */
953 log_debug("%s got final SIGCHLD for state %s", u
->meta
.id
, state_string_table
[s
->state
]);
957 case SOCKET_START_PRE
:
959 socket_enter_start_post(s
);
961 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
964 case SOCKET_START_POST
:
966 socket_enter_listening(s
);
968 socket_enter_stop_pre(s
, false);
971 case SOCKET_STOP_PRE
:
972 case SOCKET_STOP_PRE_SIGTERM
:
973 case SOCKET_STOP_PRE_SIGKILL
:
974 socket_enter_stop_post(s
, success
);
977 case SOCKET_STOP_POST
:
978 case SOCKET_FINAL_SIGTERM
:
979 case SOCKET_FINAL_SIGKILL
:
980 socket_enter_dead(s
, success
);
984 assert_not_reached("Uh, control process died at wrong time.");
989 static void socket_timer_event(Unit
*u
, uint64_t elapsed
, Watch
*w
) {
990 Socket
*s
= SOCKET(u
);
993 assert(elapsed
== 1);
994 assert(w
== &s
->timer_watch
);
998 case SOCKET_START_PRE
:
999 log_warning("%s starting timed out. Terminating.", u
->meta
.id
);
1000 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
1002 case SOCKET_START_POST
:
1003 log_warning("%s starting timed out. Stopping.", u
->meta
.id
);
1004 socket_enter_stop_pre(s
, false);
1007 case SOCKET_STOP_PRE
:
1008 log_warning("%s stopping timed out. Terminating.", u
->meta
.id
);
1009 socket_enter_signal(s
, SOCKET_STOP_PRE_SIGTERM
, false);
1012 case SOCKET_STOP_PRE_SIGTERM
:
1013 log_warning("%s stopping timed out. Killing.", u
->meta
.id
);
1014 socket_enter_signal(s
, SOCKET_STOP_PRE_SIGKILL
, false);
1017 case SOCKET_STOP_PRE_SIGKILL
:
1018 log_warning("%s still around after SIGKILL. Ignoring.", u
->meta
.id
);
1019 socket_enter_stop_post(s
, false);
1022 case SOCKET_STOP_POST
:
1023 log_warning("%s stopping timed out (2). Terminating.", u
->meta
.id
);
1024 socket_enter_signal(s
, SOCKET_FINAL_SIGTERM
, false);
1027 case SOCKET_FINAL_SIGTERM
:
1028 log_warning("%s stopping timed out (2). Killing.", u
->meta
.id
);
1029 socket_enter_signal(s
, SOCKET_FINAL_SIGKILL
, false);
1032 case SOCKET_FINAL_SIGKILL
:
1033 log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", u
->meta
.id
);
1034 socket_enter_dead(s
, false);
1038 assert_not_reached("Timeout at wrong time.");
1042 int socket_collect_fds(Socket
*s
, int **fds
, unsigned *n_fds
) {
1051 /* Called from the service code for requesting our fds */
1054 LIST_FOREACH(port
, p
, s
->ports
)
1058 if (!(rfds
= new(int, rn_fds
)) < 0)
1062 LIST_FOREACH(port
, p
, s
->ports
)
1066 assert(k
== rn_fds
);
1074 void socket_notify_service_dead(Socket
*s
) {
1077 /* The service is dead. Dang. */
1079 if (s
->state
== SOCKET_RUNNING
) {
1080 log_debug("%s got notified about service death.", s
->meta
.id
);
1081 socket_enter_listening(s
);
1085 const UnitVTable socket_vtable
= {
1086 .suffix
= ".socket",
1088 .init
= socket_init
,
1089 .load
= socket_load
,
1090 .done
= socket_done
,
1092 .dump
= socket_dump
,
1094 .start
= socket_start
,
1095 .stop
= socket_stop
,
1097 .active_state
= socket_active_state
,
1098 .sub_state_to_string
= socket_sub_state_to_string
,
1100 .fd_event
= socket_fd_event
,
1101 .sigchld_event
= socket_sigchld_event
,
1102 .timer_event
= socket_timer_event
,
1104 .bus_message_handler
= bus_socket_message_handler