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1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ | |
2 | ||
3 | #ifndef foosockethfoo | |
4 | #define foosockethfoo | |
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 Socket Socket; | |
26 | ||
27 | #include "manager.h" | |
28 | #include "unit.h" | |
29 | #include "socket-util.h" | |
30 | ||
31 | typedef enum SocketState { | |
32 | SOCKET_DEAD, | |
33 | SOCKET_START_PRE, | |
34 | SOCKET_START_POST, | |
35 | SOCKET_LISTENING, | |
36 | SOCKET_RUNNING, | |
37 | SOCKET_STOP_PRE, | |
38 | SOCKET_STOP_PRE_SIGTERM, | |
39 | SOCKET_STOP_PRE_SIGKILL, | |
40 | SOCKET_STOP_POST, | |
41 | SOCKET_FINAL_SIGTERM, | |
42 | SOCKET_FINAL_SIGKILL, | |
43 | SOCKET_MAINTAINANCE, | |
44 | _SOCKET_STATE_MAX, | |
45 | _SOCKET_STATE_INVALID = -1 | |
46 | } SocketState; | |
47 | ||
48 | typedef enum SocketExecCommand { | |
49 | SOCKET_EXEC_START_PRE, | |
50 | SOCKET_EXEC_START_POST, | |
51 | SOCKET_EXEC_STOP_PRE, | |
52 | SOCKET_EXEC_STOP_POST, | |
53 | _SOCKET_EXEC_COMMAND_MAX, | |
54 | _SOCKET_EXEC_COMMAND_INVALID = -1 | |
55 | } SocketExecCommand; | |
56 | ||
57 | typedef enum SocketType { | |
58 | SOCKET_SOCKET, | |
59 | SOCKET_FIFO, | |
60 | _SOCKET_FIFO_MAX, | |
61 | _SOCKET_FIFO_INVALID = -1 | |
62 | } SocketType; | |
63 | ||
64 | typedef struct SocketPort SocketPort; | |
65 | ||
66 | struct SocketPort { | |
67 | SocketType type; | |
68 | int fd; | |
69 | ||
70 | SocketAddress address; | |
71 | char *path; | |
72 | ||
73 | Watch fd_watch; | |
74 | ||
75 | LIST_FIELDS(SocketPort, port); | |
76 | }; | |
77 | ||
78 | struct Socket { | |
79 | Meta meta; | |
80 | ||
81 | LIST_HEAD(SocketPort, ports); | |
82 | ||
83 | /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */ | |
84 | bool bind_ipv6_only; | |
85 | unsigned backlog; | |
86 | ||
87 | usec_t timeout_usec; | |
88 | ||
89 | ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX]; | |
90 | ExecContext exec_context; | |
91 | ||
92 | Service *service; | |
93 | ||
94 | SocketState state, deserialized_state; | |
95 | ||
96 | KillMode kill_mode; | |
97 | ||
98 | ExecCommand* control_command; | |
99 | SocketExecCommand control_command_id; | |
100 | pid_t control_pid; | |
101 | ||
102 | char *bind_to_device; | |
103 | mode_t directory_mode; | |
104 | mode_t socket_mode; | |
105 | ||
106 | bool accept; | |
107 | unsigned n_accepted; | |
108 | ||
109 | bool failure; | |
110 | Watch timer_watch; | |
111 | }; | |
112 | ||
113 | /* Called from the service code when collecting fds */ | |
114 | int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds); | |
115 | ||
116 | /* Called from the service when it shut down */ | |
117 | void socket_notify_service_dead(Socket *s); | |
118 | ||
119 | extern const UnitVTable socket_vtable; | |
120 | ||
121 | const char* socket_state_to_string(SocketState i); | |
122 | SocketState socket_state_from_string(const char *s); | |
123 | ||
124 | const char* socket_exec_command_to_string(SocketExecCommand i); | |
125 | SocketExecCommand socket_exec_command_from_string(const char *s); | |
126 | ||
127 | #endif |