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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff LP |
2 | |
3 | #ifndef fooservicehfoo | |
4 | #define fooservicehfoo | |
5 | ||
a7334b09 LP |
6 | /*** |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
5cb5a6ff LP |
25 | typedef struct Service Service; |
26 | ||
87f0e418 | 27 | #include "unit.h" |
9cf3ab0e | 28 | #include "path.h" |
1e2e8133 | 29 | #include "ratelimit.h" |
57020a3a | 30 | #include "service.h" |
5cb5a6ff LP |
31 | |
32 | typedef enum ServiceState { | |
33 | SERVICE_DEAD, | |
34 | SERVICE_START_PRE, | |
35 | SERVICE_START, | |
36 | SERVICE_START_POST, | |
37 | SERVICE_RUNNING, | |
ba035df2 | 38 | SERVICE_EXITED, /* Nothing is running anymore, but RemainAfterExit is true hence this is OK */ |
5cb5a6ff | 39 | SERVICE_RELOAD, |
034c6ed7 LP |
40 | SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */ |
41 | SERVICE_STOP_SIGTERM, | |
42 | SERVICE_STOP_SIGKILL, | |
5cb5a6ff | 43 | SERVICE_STOP_POST, |
034c6ed7 LP |
44 | SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */ |
45 | SERVICE_FINAL_SIGKILL, | |
fdf20a31 | 46 | SERVICE_FAILED, |
034c6ed7 | 47 | SERVICE_AUTO_RESTART, |
5cb5a6ff | 48 | _SERVICE_STATE_MAX, |
94f04347 | 49 | _SERVICE_STATE_INVALID = -1 |
5cb5a6ff LP |
50 | } ServiceState; |
51 | ||
034c6ed7 | 52 | typedef enum ServiceRestart { |
525ee6f4 | 53 | SERVICE_RESTART_NO, |
034c6ed7 | 54 | SERVICE_RESTART_ON_SUCCESS, |
50caaedb LP |
55 | SERVICE_RESTART_ON_FAILURE, |
56 | SERVICE_RESTART_ON_ABORT, | |
94f04347 LP |
57 | SERVICE_RESTART_ALWAYS, |
58 | _SERVICE_RESTART_MAX, | |
59 | _SERVICE_RESTART_INVALID = -1 | |
034c6ed7 LP |
60 | } ServiceRestart; |
61 | ||
62 | typedef enum ServiceType { | |
05e343b7 | 63 | SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons) */ |
1f48cf56 | 64 | SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */ |
34e9ba66 | 65 | SERVICE_ONESHOT, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */ |
05e343b7 | 66 | SERVICE_DBUS, /* we fork and wait until a specific D-Bus name appears on the bus */ |
8c47c732 | 67 | SERVICE_NOTIFY, /* we fork and wait until a daemon sends us a ready message with sd_notify() */ |
94f04347 LP |
68 | _SERVICE_TYPE_MAX, |
69 | _SERVICE_TYPE_INVALID = -1 | |
034c6ed7 | 70 | } ServiceType; |
5cb5a6ff LP |
71 | |
72 | typedef enum ServiceExecCommand { | |
73 | SERVICE_EXEC_START_PRE, | |
74 | SERVICE_EXEC_START, | |
75 | SERVICE_EXEC_START_POST, | |
5cb5a6ff | 76 | SERVICE_EXEC_RELOAD, |
5cb5a6ff LP |
77 | SERVICE_EXEC_STOP, |
78 | SERVICE_EXEC_STOP_POST, | |
e537352b LP |
79 | _SERVICE_EXEC_COMMAND_MAX, |
80 | _SERVICE_EXEC_COMMAND_INVALID = -1 | |
5cb5a6ff LP |
81 | } ServiceExecCommand; |
82 | ||
c952c6ec LP |
83 | typedef enum NotifyAccess { |
84 | NOTIFY_NONE, | |
85 | NOTIFY_ALL, | |
86 | NOTIFY_MAIN, | |
87 | _NOTIFY_ACCESS_MAX, | |
88 | _NOTIFY_ACCESS_INVALID = -1 | |
89 | } NotifyAccess; | |
90 | ||
5cb5a6ff LP |
91 | struct Service { |
92 | Meta meta; | |
93 | ||
034c6ed7 LP |
94 | ServiceType type; |
95 | ServiceRestart restart; | |
96 | ||
97 | /* If set we'll read the main daemon PID from this file */ | |
98 | char *pid_file; | |
99 | ||
100 | usec_t restart_usec; | |
101 | usec_t timeout_usec; | |
5cb5a6ff | 102 | |
e537352b | 103 | ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX]; |
5cb5a6ff LP |
104 | ExecContext exec_context; |
105 | ||
a16e1123 | 106 | ServiceState state, deserialized_state; |
034c6ed7 | 107 | |
867b3b7d | 108 | /* The exit status of the real main process */ |
034c6ed7 LP |
109 | ExecStatus main_exec_status; |
110 | ||
867b3b7d | 111 | /* The currently executed control process */ |
034c6ed7 | 112 | ExecCommand *control_command; |
867b3b7d LP |
113 | |
114 | /* The currently executed main process, which may be NULL if | |
115 | * the main process got started via forking mode and not by | |
116 | * us */ | |
117 | ExecCommand *main_command; | |
118 | ||
119 | /* The ID of the control command currently being executed */ | |
a16e1123 | 120 | ServiceExecCommand control_command_id; |
867b3b7d | 121 | |
034c6ed7 | 122 | pid_t main_pid, control_pid; |
07459bb6 | 123 | int socket_fd; |
8fe914ec | 124 | |
9fff8a1f LP |
125 | int fsck_passno; |
126 | ||
8fe914ec LP |
127 | bool permissions_start_only; |
128 | bool root_directory_start_only; | |
02ee865a | 129 | bool remain_after_exit; |
3185a36b | 130 | bool guess_main_pid; |
8fe914ec | 131 | |
05e343b7 LP |
132 | /* If we shut down, remember why */ |
133 | bool failure:1; | |
e2f3b44c LP |
134 | bool reload_failure:1; |
135 | ||
5de6b302 | 136 | bool main_pid_known:1; |
6dfa5494 | 137 | bool main_pid_alien:1; |
05e343b7 | 138 | bool bus_name_good:1; |
47342320 | 139 | bool forbid_restart:1; |
701cc384 | 140 | bool got_socket_fd:1; |
07459bb6 | 141 | #ifdef HAVE_SYSV_COMPAT |
e537352b | 142 | bool sysv_has_lsb:1; |
5de6b302 | 143 | bool sysv_enabled:1; |
ea87ca5a | 144 | int sysv_start_priority_from_rcnd; |
2c4104f0 | 145 | int sysv_start_priority; |
8fe914ec LP |
146 | |
147 | char *sysv_path; | |
8309400a | 148 | char *sysv_runlevels; |
5f4b19f4 | 149 | usec_t sysv_mtime; |
07459bb6 | 150 | #endif |
2c4104f0 | 151 | |
05e343b7 LP |
152 | char *bus_name; |
153 | ||
8c47c732 LP |
154 | char *status_text; |
155 | ||
1e2e8133 | 156 | RateLimit ratelimit; |
e537352b | 157 | |
57020a3a | 158 | UnitRef accept_socket; |
4f2d528d | 159 | |
e537352b | 160 | Watch timer_watch; |
3a111838 | 161 | PathSpec *pid_file_pathspec; |
8fe914ec LP |
162 | |
163 | NotifyAccess notify_access; | |
5cb5a6ff LP |
164 | }; |
165 | ||
47be870b | 166 | extern const UnitVTable service_vtable; |
5cb5a6ff | 167 | |
57020a3a LP |
168 | struct Socket; |
169 | ||
6cf6bbc2 | 170 | int service_set_socket_fd(Service *s, int fd, struct Socket *socket); |
4f2d528d | 171 | |
94f04347 LP |
172 | const char* service_state_to_string(ServiceState i); |
173 | ServiceState service_state_from_string(const char *s); | |
174 | ||
175 | const char* service_restart_to_string(ServiceRestart i); | |
176 | ServiceRestart service_restart_from_string(const char *s); | |
177 | ||
178 | const char* service_type_to_string(ServiceType i); | |
179 | ServiceType service_type_from_string(const char *s); | |
180 | ||
181 | const char* service_exec_command_to_string(ServiceExecCommand i); | |
182 | ServiceExecCommand service_exec_command_from_string(const char *s); | |
183 | ||
c952c6ec LP |
184 | const char* notify_access_to_string(NotifyAccess i); |
185 | NotifyAccess notify_access_from_string(const char *s); | |
186 | ||
5cb5a6ff | 187 | #endif |