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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_EXITED, /* Nothing is running anymore, but ValidNoProcess is true, ehnce this is OK */ | |
37 | SERVICE_RELOAD, | |
38 | SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */ | |
39 | SERVICE_STOP_SIGTERM, | |
40 | SERVICE_STOP_SIGKILL, | |
41 | SERVICE_STOP_POST, | |
42 | SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */ | |
43 | SERVICE_FINAL_SIGKILL, | |
44 | SERVICE_MAINTAINANCE, | |
45 | SERVICE_AUTO_RESTART, | |
46 | _SERVICE_STATE_MAX, | |
47 | _SERVICE_STATE_INVALID = -1 | |
48 | } ServiceState; | |
49 | ||
50 | typedef enum ServiceRestart { | |
51 | SERVICE_ONCE, | |
52 | SERVICE_RESTART_ON_SUCCESS, | |
53 | SERVICE_RESTART_ALWAYS, | |
54 | _SERVICE_RESTART_MAX, | |
55 | _SERVICE_RESTART_INVALID = -1 | |
56 | } ServiceRestart; | |
57 | ||
58 | typedef enum ServiceType { | |
59 | SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */ | |
60 | SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons) */ | |
61 | SERVICE_FINISH, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */ | |
62 | SERVICE_DBUS, /* we fork and wait until a specific D-Bus name appears on the bus */ | |
63 | _SERVICE_TYPE_MAX, | |
64 | _SERVICE_TYPE_INVALID = -1 | |
65 | } ServiceType; | |
66 | ||
67 | typedef enum ServiceExecCommand { | |
68 | SERVICE_EXEC_START_PRE, | |
69 | SERVICE_EXEC_START, | |
70 | SERVICE_EXEC_START_POST, | |
71 | SERVICE_EXEC_RELOAD, | |
72 | SERVICE_EXEC_STOP, | |
73 | SERVICE_EXEC_STOP_POST, | |
74 | _SERVICE_EXEC_COMMAND_MAX, | |
75 | _SERVICE_EXEC_COMMAND_INVALID = -1 | |
76 | } ServiceExecCommand; | |
77 | ||
78 | struct Service { | |
79 | Meta meta; | |
80 | ||
81 | ServiceType type; | |
82 | ServiceRestart restart; | |
83 | ||
84 | /* If set we'll read the main daemon PID from this file */ | |
85 | char *pid_file; | |
86 | ||
87 | usec_t restart_usec; | |
88 | usec_t timeout_usec; | |
89 | ||
90 | ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX]; | |
91 | ExecContext exec_context; | |
92 | ||
93 | bool permissions_start_only; | |
94 | bool root_directory_start_only; | |
95 | bool valid_no_process; | |
96 | ||
97 | ServiceState state, deserialized_state; | |
98 | ||
99 | KillMode kill_mode; | |
100 | ||
101 | ExecStatus main_exec_status; | |
102 | ||
103 | ExecCommand *control_command; | |
104 | ServiceExecCommand control_command_id; | |
105 | pid_t main_pid, control_pid; | |
106 | bool main_pid_known:1; | |
107 | ||
108 | /* If we shut down, remember why */ | |
109 | bool failure:1; | |
110 | ||
111 | bool bus_name_good:1; | |
112 | ||
113 | bool allow_restart:1; | |
114 | ||
115 | bool got_socket_fd:1; | |
116 | ||
117 | bool sysv_has_lsb:1; | |
118 | char *sysv_path; | |
119 | int sysv_start_priority; | |
120 | char *sysv_runlevels; | |
121 | ||
122 | char *bus_name; | |
123 | ||
124 | RateLimit ratelimit; | |
125 | ||
126 | int socket_fd; | |
127 | ||
128 | Watch timer_watch; | |
129 | }; | |
130 | ||
131 | extern const UnitVTable service_vtable; | |
132 | ||
133 | int service_set_socket_fd(Service *s, int fd); | |
134 | ||
135 | const char* service_state_to_string(ServiceState i); | |
136 | ServiceState service_state_from_string(const char *s); | |
137 | ||
138 | const char* service_restart_to_string(ServiceRestart i); | |
139 | ServiceRestart service_restart_from_string(const char *s); | |
140 | ||
141 | const char* service_type_to_string(ServiceType i); | |
142 | ServiceType service_type_from_string(const char *s); | |
143 | ||
144 | const char* service_exec_command_to_string(ServiceExecCommand i); | |
145 | ServiceExecCommand service_exec_command_from_string(const char *s); | |
146 | ||
147 | #endif |