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Commit | Line | Data |
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c2f1db8f | 1 | #pragma once |
5cb5a6ff | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
5cb5a6ff LP |
22 | typedef struct Socket Socket; |
23 | ||
6e2ef85b | 24 | #include "mount.h" |
57020a3a | 25 | #include "service.h" |
71d35b6b | 26 | #include "socket-util.h" |
5cb5a6ff | 27 | |
5cb5a6ff LP |
28 | typedef enum SocketExecCommand { |
29 | SOCKET_EXEC_START_PRE, | |
3900e5fd | 30 | SOCKET_EXEC_START_CHOWN, |
5cb5a6ff LP |
31 | SOCKET_EXEC_START_POST, |
32 | SOCKET_EXEC_STOP_PRE, | |
33 | SOCKET_EXEC_STOP_POST, | |
e537352b LP |
34 | _SOCKET_EXEC_COMMAND_MAX, |
35 | _SOCKET_EXEC_COMMAND_INVALID = -1 | |
5cb5a6ff LP |
36 | } SocketExecCommand; |
37 | ||
542563ba LP |
38 | typedef enum SocketType { |
39 | SOCKET_SOCKET, | |
e537352b | 40 | SOCKET_FIFO, |
b0a3f2bc | 41 | SOCKET_SPECIAL, |
916abb21 | 42 | SOCKET_MQUEUE, |
60252446 | 43 | SOCKET_USB_FUNCTION, |
e537352b LP |
44 | _SOCKET_FIFO_MAX, |
45 | _SOCKET_FIFO_INVALID = -1 | |
542563ba LP |
46 | } SocketType; |
47 | ||
cfc4eb4c LP |
48 | typedef enum SocketResult { |
49 | SOCKET_SUCCESS, | |
50 | SOCKET_FAILURE_RESOURCES, | |
51 | SOCKET_FAILURE_TIMEOUT, | |
52 | SOCKET_FAILURE_EXIT_CODE, | |
53 | SOCKET_FAILURE_SIGNAL, | |
54 | SOCKET_FAILURE_CORE_DUMP, | |
8b26cdbd | 55 | SOCKET_FAILURE_TRIGGER_LIMIT_HIT, |
6bf0f408 | 56 | SOCKET_FAILURE_SERVICE_START_LIMIT_HIT, |
cfc4eb4c LP |
57 | _SOCKET_RESULT_MAX, |
58 | _SOCKET_RESULT_INVALID = -1 | |
59 | } SocketResult; | |
60 | ||
01f78473 | 61 | typedef struct SocketPort { |
718db961 LP |
62 | Socket *socket; |
63 | ||
542563ba | 64 | SocketType type; |
9d58f1db | 65 | int fd; |
15087cdb PS |
66 | int *auxiliary_fds; |
67 | int n_auxiliary_fds; | |
542563ba LP |
68 | |
69 | SocketAddress address; | |
70 | char *path; | |
718db961 | 71 | sd_event_source *event_source; |
542563ba | 72 | |
01f78473 LP |
73 | LIST_FIELDS(struct SocketPort, port); |
74 | } SocketPort; | |
542563ba | 75 | |
5cb5a6ff | 76 | struct Socket { |
ac155bb8 | 77 | Unit meta; |
5cb5a6ff | 78 | |
542563ba LP |
79 | LIST_HEAD(SocketPort, ports); |
80 | ||
7fab9d01 LP |
81 | unsigned n_accepted; |
82 | unsigned n_connections; | |
83 | unsigned max_connections; | |
84 | ||
542563ba | 85 | unsigned backlog; |
209e9dcd | 86 | unsigned keep_alive_cnt; |
034c6ed7 | 87 | usec_t timeout_usec; |
209e9dcd SS |
88 | usec_t keep_alive_time; |
89 | usec_t keep_alive_interval; | |
cc567c9b | 90 | usec_t defer_accept; |
034c6ed7 | 91 | |
e537352b | 92 | ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX]; |
5cb5a6ff | 93 | ExecContext exec_context; |
4819ff03 | 94 | KillContext kill_context; |
4ad49000 | 95 | CGroupContext cgroup_context; |
613b411c | 96 | ExecRuntime *exec_runtime; |
5cb5a6ff | 97 | |
b15bdda8 LP |
98 | /* For Accept=no sockets refers to the one service we'll |
99 | activate. For Accept=yes sockets is either NULL, or filled | |
100 | when the next service we spawn. */ | |
57020a3a | 101 | UnitRef service; |
034c6ed7 | 102 | |
a16e1123 | 103 | SocketState state, deserialized_state; |
034c6ed7 | 104 | |
718db961 | 105 | sd_event_source *timer_event_source; |
7fab9d01 | 106 | |
034c6ed7 | 107 | ExecCommand* control_command; |
a16e1123 | 108 | SocketExecCommand control_command_id; |
5cb5a6ff LP |
109 | pid_t control_pid; |
110 | ||
7fab9d01 LP |
111 | mode_t directory_mode; |
112 | mode_t socket_mode; | |
4f2d528d | 113 | |
cfc4eb4c | 114 | SocketResult result; |
7fab9d01 | 115 | |
811ba7a0 LP |
116 | char **symlinks; |
117 | ||
7fab9d01 | 118 | bool accept; |
bd1fe7c7 | 119 | bool remove_on_stop; |
55301ec0 | 120 | bool writable; |
4fd5948e | 121 | |
74bb646e SS |
122 | int socket_protocol; |
123 | ||
4fd5948e LP |
124 | /* Socket options */ |
125 | bool keep_alive; | |
4427c3f4 | 126 | bool no_delay; |
7fab9d01 | 127 | bool free_bind; |
6b6d2dee | 128 | bool transparent; |
ec6370a2 | 129 | bool broadcast; |
d68af586 | 130 | bool pass_cred; |
54ecda32 | 131 | bool pass_sec; |
68667801 ZJS |
132 | |
133 | /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */ | |
134 | SocketAddressBindIPv6Only bind_ipv6_only; | |
135 | ||
4fd5948e | 136 | int priority; |
7fab9d01 | 137 | int mark; |
4fd5948e LP |
138 | size_t receive_buffer; |
139 | size_t send_buffer; | |
140 | int ip_tos; | |
141 | int ip_ttl; | |
142 | size_t pipe_size; | |
4fd5948e | 143 | char *bind_to_device; |
cebf8b20 | 144 | char *tcp_congestion; |
718db961 | 145 | bool reuse_port; |
916abb21 LP |
146 | long mq_maxmsg; |
147 | long mq_msgsize; | |
57020a3a | 148 | |
0eb59ccf AK |
149 | char *smack; |
150 | char *smack_ip_in; | |
151 | char *smack_ip_out; | |
3900e5fd | 152 | |
16115b0a MS |
153 | bool selinux_context_from_net; |
154 | ||
3900e5fd | 155 | char *user, *group; |
5ad096b3 LP |
156 | |
157 | bool reset_cpu_usage:1; | |
8dd4c05b LP |
158 | |
159 | char *fdname; | |
8b26cdbd LP |
160 | |
161 | RateLimit trigger_limit; | |
5cb5a6ff LP |
162 | }; |
163 | ||
44d8db9e | 164 | /* Called from the service code when collecting fds */ |
79c7626d | 165 | int socket_collect_fds(Socket *s, int **fds); |
44d8db9e | 166 | |
6cf6bbc2 LP |
167 | /* Called from the service code when a per-connection service ended */ |
168 | void socket_connection_unref(Socket *s); | |
169 | ||
74051b9b LP |
170 | void socket_free_ports(Socket *s); |
171 | ||
8dd4c05b LP |
172 | int socket_instantiate_service(Socket *s); |
173 | ||
174 | char *socket_fdname(Socket *s); | |
175 | ||
87f0e418 | 176 | extern const UnitVTable socket_vtable; |
5cb5a6ff | 177 | |
44a6b1b6 ZJS |
178 | const char* socket_exec_command_to_string(SocketExecCommand i) _const_; |
179 | SocketExecCommand socket_exec_command_from_string(const char *s) _pure_; | |
a16e1123 | 180 | |
44a6b1b6 ZJS |
181 | const char* socket_result_to_string(SocketResult i) _const_; |
182 | SocketResult socket_result_from_string(const char *s) _pure_; | |
67419600 | 183 | |
44a6b1b6 | 184 | const char* socket_port_type_to_string(SocketPort *p) _pure_; |