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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff LP |
2 | |
3 | #ifndef foosockethfoo | |
4 | #define foosockethfoo | |
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 Socket Socket; |
26 | ||
acbb0225 | 27 | #include "manager.h" |
87f0e418 | 28 | #include "unit.h" |
542563ba | 29 | #include "socket-util.h" |
6e2ef85b | 30 | #include "mount.h" |
5cb5a6ff LP |
31 | |
32 | typedef enum SocketState { | |
33 | SOCKET_DEAD, | |
34 | SOCKET_START_PRE, | |
35 | SOCKET_START_POST, | |
36 | SOCKET_LISTENING, | |
37 | SOCKET_RUNNING, | |
38 | SOCKET_STOP_PRE, | |
034c6ed7 LP |
39 | SOCKET_STOP_PRE_SIGTERM, |
40 | SOCKET_STOP_PRE_SIGKILL, | |
5cb5a6ff | 41 | SOCKET_STOP_POST, |
80876c20 LP |
42 | SOCKET_FINAL_SIGTERM, |
43 | SOCKET_FINAL_SIGKILL, | |
fdf20a31 | 44 | SOCKET_FAILED, |
e537352b LP |
45 | _SOCKET_STATE_MAX, |
46 | _SOCKET_STATE_INVALID = -1 | |
5cb5a6ff LP |
47 | } SocketState; |
48 | ||
49 | typedef enum SocketExecCommand { | |
50 | SOCKET_EXEC_START_PRE, | |
51 | SOCKET_EXEC_START_POST, | |
52 | SOCKET_EXEC_STOP_PRE, | |
53 | SOCKET_EXEC_STOP_POST, | |
e537352b LP |
54 | _SOCKET_EXEC_COMMAND_MAX, |
55 | _SOCKET_EXEC_COMMAND_INVALID = -1 | |
5cb5a6ff LP |
56 | } SocketExecCommand; |
57 | ||
542563ba LP |
58 | typedef enum SocketType { |
59 | SOCKET_SOCKET, | |
e537352b | 60 | SOCKET_FIFO, |
b0a3f2bc | 61 | SOCKET_SPECIAL, |
e537352b LP |
62 | _SOCKET_FIFO_MAX, |
63 | _SOCKET_FIFO_INVALID = -1 | |
542563ba LP |
64 | } SocketType; |
65 | ||
01f78473 | 66 | typedef struct SocketPort { |
542563ba | 67 | SocketType type; |
9d58f1db | 68 | int fd; |
542563ba LP |
69 | |
70 | SocketAddress address; | |
71 | char *path; | |
acbb0225 | 72 | Watch fd_watch; |
542563ba | 73 | |
01f78473 LP |
74 | LIST_FIELDS(struct SocketPort, port); |
75 | } SocketPort; | |
542563ba | 76 | |
5cb5a6ff LP |
77 | struct Socket { |
78 | Meta meta; | |
79 | ||
542563ba LP |
80 | LIST_HEAD(SocketPort, ports); |
81 | ||
7fab9d01 LP |
82 | unsigned n_accepted; |
83 | unsigned n_connections; | |
84 | unsigned max_connections; | |
85 | ||
542563ba | 86 | unsigned backlog; |
034c6ed7 LP |
87 | usec_t timeout_usec; |
88 | ||
e537352b | 89 | ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX]; |
5cb5a6ff LP |
90 | ExecContext exec_context; |
91 | ||
b15bdda8 LP |
92 | /* For Accept=no sockets refers to the one service we'll |
93 | activate. For Accept=yes sockets is either NULL, or filled | |
94 | when the next service we spawn. */ | |
034c6ed7 LP |
95 | Service *service; |
96 | ||
a16e1123 | 97 | SocketState state, deserialized_state; |
034c6ed7 | 98 | |
7fab9d01 LP |
99 | Watch timer_watch; |
100 | ||
034c6ed7 | 101 | ExecCommand* control_command; |
a16e1123 | 102 | SocketExecCommand control_command_id; |
5cb5a6ff LP |
103 | pid_t control_pid; |
104 | ||
7fab9d01 LP |
105 | /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */ |
106 | SocketAddressBindIPv6Only bind_ipv6_only; | |
107 | ||
108 | mode_t directory_mode; | |
109 | mode_t socket_mode; | |
4f2d528d | 110 | |
034c6ed7 | 111 | bool failure; |
7fab9d01 LP |
112 | |
113 | bool accept; | |
4fd5948e LP |
114 | |
115 | /* Socket options */ | |
116 | bool keep_alive; | |
7fab9d01 | 117 | bool free_bind; |
4fd5948e | 118 | int priority; |
7fab9d01 | 119 | int mark; |
4fd5948e LP |
120 | size_t receive_buffer; |
121 | size_t send_buffer; | |
122 | int ip_tos; | |
123 | int ip_ttl; | |
124 | size_t pipe_size; | |
4fd5948e | 125 | char *bind_to_device; |
cebf8b20 | 126 | char *tcp_congestion; |
5cb5a6ff LP |
127 | }; |
128 | ||
44d8db9e LP |
129 | /* Called from the service code when collecting fds */ |
130 | int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds); | |
131 | ||
ceee3d82 LP |
132 | /* Called from the service when it shut down */ |
133 | void socket_notify_service_dead(Socket *s); | |
134 | ||
6e2ef85b LP |
135 | /* Called from the mount code figure out if a mount is a dependency of |
136 | * any of the sockets of this socket */ | |
137 | int socket_add_one_mount_link(Socket *s, Mount *m); | |
138 | ||
6cf6bbc2 LP |
139 | /* Called from the service code when a per-connection service ended */ |
140 | void socket_connection_unref(Socket *s); | |
141 | ||
87f0e418 | 142 | extern const UnitVTable socket_vtable; |
5cb5a6ff | 143 | |
a16e1123 LP |
144 | const char* socket_state_to_string(SocketState i); |
145 | SocketState socket_state_from_string(const char *s); | |
146 | ||
147 | const char* socket_exec_command_to_string(SocketExecCommand i); | |
148 | SocketExecCommand socket_exec_command_from_string(const char *s); | |
149 | ||
5cb5a6ff | 150 | #endif |