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1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ | |
2 | ||
3 | #ifndef fooservicehfoo | |
4 | #define fooservicehfoo | |
5 | ||
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 | ||
25 | typedef struct Service Service; | |
26 | ||
27 | #include "unit.h" | |
28 | #include "ratelimit.h" | |
29 | ||
30 | typedef enum ServiceState { | |
31 | SERVICE_DEAD, | |
32 | SERVICE_START_PRE, | |
33 | SERVICE_START, | |
34 | SERVICE_START_POST, | |
35 | SERVICE_RUNNING, | |
36 | SERVICE_RELOAD, | |
37 | SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */ | |
38 | SERVICE_STOP_SIGTERM, | |
39 | SERVICE_STOP_SIGKILL, | |
40 | SERVICE_STOP_POST, | |
41 | SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */ | |
42 | SERVICE_FINAL_SIGKILL, | |
43 | SERVICE_MAINTAINANCE, | |
44 | SERVICE_AUTO_RESTART, | |
45 | _SERVICE_STATE_MAX, | |
46 | _SERVICE_STATE_INVALID = -1 | |
47 | } ServiceState; | |
48 | ||
49 | typedef enum ServiceRestart { | |
50 | SERVICE_ONCE, | |
51 | SERVICE_RESTART_ON_SUCCESS, | |
52 | SERVICE_RESTART_ALWAYS, | |
53 | _SERVICE_RESTART_MAX, | |
54 | _SERVICE_RESTART_INVALID = -1 | |
55 | } ServiceRestart; | |
56 | ||
57 | typedef enum ServiceType { | |
58 | SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */ | |
59 | SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons)*/ | |
60 | SERVICE_FINISH, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */ | |
61 | _SERVICE_TYPE_MAX, | |
62 | _SERVICE_TYPE_INVALID = -1 | |
63 | } ServiceType; | |
64 | ||
65 | typedef enum ServiceExecCommand { | |
66 | SERVICE_EXEC_START_PRE, | |
67 | SERVICE_EXEC_START, | |
68 | SERVICE_EXEC_START_POST, | |
69 | SERVICE_EXEC_RELOAD, | |
70 | SERVICE_EXEC_STOP, | |
71 | SERVICE_EXEC_STOP_POST, | |
72 | _SERVICE_EXEC_MAX, | |
73 | _SERVICE_EXEC_INVALID = -1 | |
74 | } ServiceExecCommand; | |
75 | ||
76 | struct Service { | |
77 | Meta meta; | |
78 | ||
79 | ServiceType type; | |
80 | ServiceRestart restart; | |
81 | ||
82 | /* If set we'll read the main daemon PID from this file */ | |
83 | char *pid_file; | |
84 | ||
85 | usec_t restart_usec; | |
86 | usec_t timeout_usec; | |
87 | ||
88 | ExecCommand* exec_command[_SERVICE_EXEC_MAX]; | |
89 | ExecContext exec_context; | |
90 | ||
91 | ServiceState state; | |
92 | ||
93 | ExecStatus main_exec_status; | |
94 | ||
95 | ExecCommand *control_command; | |
96 | pid_t main_pid, control_pid; | |
97 | bool main_pid_known:1; | |
98 | ||
99 | bool failure:1; /* if we shut down, remember why */ | |
100 | Watch timer_watch; | |
101 | ||
102 | RateLimit ratelimit; | |
103 | }; | |
104 | ||
105 | const UnitVTable service_vtable; | |
106 | ||
107 | const char* service_state_to_string(ServiceState i); | |
108 | ServiceState service_state_from_string(const char *s); | |
109 | ||
110 | const char* service_restart_to_string(ServiceRestart i); | |
111 | ServiceRestart service_restart_from_string(const char *s); | |
112 | ||
113 | const char* service_type_to_string(ServiceType i); | |
114 | ServiceType service_type_from_string(const char *s); | |
115 | ||
116 | const char* service_exec_command_to_string(ServiceExecCommand i); | |
117 | ServiceExecCommand service_exec_command_from_string(const char *s); | |
118 | ||
119 | #endif |