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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
c2f1db8f | 3 | #pragma once |
5cb5a6ff | 4 | |
a7334b09 LP |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
a7334b09 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
5cb5a6ff LP |
24 | typedef struct Socket Socket; |
25 | ||
acbb0225 | 26 | #include "manager.h" |
87f0e418 | 27 | #include "unit.h" |
542563ba | 28 | #include "socket-util.h" |
6e2ef85b | 29 | #include "mount.h" |
57020a3a | 30 | #include "service.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, |
916abb21 | 62 | SOCKET_MQUEUE, |
e537352b LP |
63 | _SOCKET_FIFO_MAX, |
64 | _SOCKET_FIFO_INVALID = -1 | |
542563ba LP |
65 | } SocketType; |
66 | ||
cfc4eb4c LP |
67 | typedef enum SocketResult { |
68 | SOCKET_SUCCESS, | |
69 | SOCKET_FAILURE_RESOURCES, | |
70 | SOCKET_FAILURE_TIMEOUT, | |
71 | SOCKET_FAILURE_EXIT_CODE, | |
72 | SOCKET_FAILURE_SIGNAL, | |
73 | SOCKET_FAILURE_CORE_DUMP, | |
6bda96a0 | 74 | SOCKET_FAILURE_SERVICE_FAILED_PERMANENT, |
cfc4eb4c LP |
75 | _SOCKET_RESULT_MAX, |
76 | _SOCKET_RESULT_INVALID = -1 | |
77 | } SocketResult; | |
78 | ||
01f78473 | 79 | typedef struct SocketPort { |
542563ba | 80 | SocketType type; |
9d58f1db | 81 | int fd; |
542563ba LP |
82 | |
83 | SocketAddress address; | |
84 | char *path; | |
acbb0225 | 85 | Watch fd_watch; |
542563ba | 86 | |
01f78473 LP |
87 | LIST_FIELDS(struct SocketPort, port); |
88 | } SocketPort; | |
542563ba | 89 | |
5cb5a6ff | 90 | struct Socket { |
ac155bb8 | 91 | Unit meta; |
5cb5a6ff | 92 | |
542563ba LP |
93 | LIST_HEAD(SocketPort, ports); |
94 | ||
7fab9d01 LP |
95 | unsigned n_accepted; |
96 | unsigned n_connections; | |
97 | unsigned max_connections; | |
98 | ||
542563ba | 99 | unsigned backlog; |
034c6ed7 LP |
100 | usec_t timeout_usec; |
101 | ||
e537352b | 102 | ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX]; |
5cb5a6ff | 103 | ExecContext exec_context; |
4819ff03 | 104 | KillContext kill_context; |
5cb5a6ff | 105 | |
b15bdda8 LP |
106 | /* For Accept=no sockets refers to the one service we'll |
107 | activate. For Accept=yes sockets is either NULL, or filled | |
108 | when the next service we spawn. */ | |
57020a3a | 109 | UnitRef service; |
034c6ed7 | 110 | |
a16e1123 | 111 | SocketState state, deserialized_state; |
034c6ed7 | 112 | |
7fab9d01 LP |
113 | Watch timer_watch; |
114 | ||
034c6ed7 | 115 | ExecCommand* control_command; |
a16e1123 | 116 | SocketExecCommand control_command_id; |
5cb5a6ff LP |
117 | pid_t control_pid; |
118 | ||
7fab9d01 LP |
119 | mode_t directory_mode; |
120 | mode_t socket_mode; | |
4f2d528d | 121 | |
cfc4eb4c | 122 | SocketResult result; |
7fab9d01 LP |
123 | |
124 | bool accept; | |
4fd5948e LP |
125 | |
126 | /* Socket options */ | |
127 | bool keep_alive; | |
7fab9d01 | 128 | bool free_bind; |
6b6d2dee | 129 | bool transparent; |
ec6370a2 | 130 | bool broadcast; |
d68af586 | 131 | bool pass_cred; |
54ecda32 | 132 | bool pass_sec; |
4fd5948e | 133 | int priority; |
7fab9d01 | 134 | int mark; |
4fd5948e LP |
135 | size_t receive_buffer; |
136 | size_t send_buffer; | |
137 | int ip_tos; | |
138 | int ip_ttl; | |
139 | size_t pipe_size; | |
4fd5948e | 140 | char *bind_to_device; |
cebf8b20 | 141 | char *tcp_congestion; |
916abb21 LP |
142 | long mq_maxmsg; |
143 | long mq_msgsize; | |
57020a3a LP |
144 | |
145 | /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */ | |
146 | SocketAddressBindIPv6Only bind_ipv6_only; | |
0eb59ccf AK |
147 | |
148 | char *smack; | |
149 | char *smack_ip_in; | |
150 | char *smack_ip_out; | |
5cb5a6ff LP |
151 | }; |
152 | ||
44d8db9e LP |
153 | /* Called from the service code when collecting fds */ |
154 | int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds); | |
155 | ||
ceee3d82 | 156 | /* Called from the service when it shut down */ |
6bda96a0 | 157 | void socket_notify_service_dead(Socket *s, bool failed_permanent); |
ceee3d82 | 158 | |
6e2ef85b LP |
159 | /* Called from the mount code figure out if a mount is a dependency of |
160 | * any of the sockets of this socket */ | |
161 | int socket_add_one_mount_link(Socket *s, Mount *m); | |
162 | ||
6cf6bbc2 LP |
163 | /* Called from the service code when a per-connection service ended */ |
164 | void socket_connection_unref(Socket *s); | |
165 | ||
74051b9b LP |
166 | void socket_free_ports(Socket *s); |
167 | ||
87f0e418 | 168 | extern const UnitVTable socket_vtable; |
5cb5a6ff | 169 | |
a16e1123 LP |
170 | const char* socket_state_to_string(SocketState i); |
171 | SocketState socket_state_from_string(const char *s); | |
172 | ||
173 | const char* socket_exec_command_to_string(SocketExecCommand i); | |
174 | SocketExecCommand socket_exec_command_from_string(const char *s); | |
175 | ||
cfc4eb4c LP |
176 | const char* socket_result_to_string(SocketResult i); |
177 | SocketResult socket_result_from_string(const char *s); |