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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 | ||
6e2ef85b | 26 | #include "mount.h" |
57020a3a | 27 | #include "service.h" |
71d35b6b | 28 | #include "socket-util.h" |
5cb5a6ff | 29 | |
5cb5a6ff LP |
30 | typedef enum SocketExecCommand { |
31 | SOCKET_EXEC_START_PRE, | |
3900e5fd | 32 | SOCKET_EXEC_START_CHOWN, |
5cb5a6ff LP |
33 | SOCKET_EXEC_START_POST, |
34 | SOCKET_EXEC_STOP_PRE, | |
35 | SOCKET_EXEC_STOP_POST, | |
e537352b LP |
36 | _SOCKET_EXEC_COMMAND_MAX, |
37 | _SOCKET_EXEC_COMMAND_INVALID = -1 | |
5cb5a6ff LP |
38 | } SocketExecCommand; |
39 | ||
542563ba LP |
40 | typedef enum SocketType { |
41 | SOCKET_SOCKET, | |
e537352b | 42 | SOCKET_FIFO, |
b0a3f2bc | 43 | SOCKET_SPECIAL, |
916abb21 | 44 | SOCKET_MQUEUE, |
60252446 | 45 | SOCKET_USB_FUNCTION, |
e537352b LP |
46 | _SOCKET_FIFO_MAX, |
47 | _SOCKET_FIFO_INVALID = -1 | |
542563ba LP |
48 | } SocketType; |
49 | ||
cfc4eb4c LP |
50 | typedef enum SocketResult { |
51 | SOCKET_SUCCESS, | |
52 | SOCKET_FAILURE_RESOURCES, | |
53 | SOCKET_FAILURE_TIMEOUT, | |
54 | SOCKET_FAILURE_EXIT_CODE, | |
55 | SOCKET_FAILURE_SIGNAL, | |
56 | SOCKET_FAILURE_CORE_DUMP, | |
6bda96a0 | 57 | SOCKET_FAILURE_SERVICE_FAILED_PERMANENT, |
cfc4eb4c LP |
58 | _SOCKET_RESULT_MAX, |
59 | _SOCKET_RESULT_INVALID = -1 | |
60 | } SocketResult; | |
61 | ||
01f78473 | 62 | typedef struct SocketPort { |
718db961 LP |
63 | Socket *socket; |
64 | ||
542563ba | 65 | SocketType type; |
9d58f1db | 66 | int fd; |
15087cdb PS |
67 | int *auxiliary_fds; |
68 | int n_auxiliary_fds; | |
542563ba LP |
69 | |
70 | SocketAddress address; | |
71 | char *path; | |
718db961 | 72 | sd_event_source *event_source; |
542563ba | 73 | |
01f78473 LP |
74 | LIST_FIELDS(struct SocketPort, port); |
75 | } SocketPort; | |
542563ba | 76 | |
5cb5a6ff | 77 | struct Socket { |
ac155bb8 | 78 | Unit meta; |
5cb5a6ff | 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; |
209e9dcd | 87 | unsigned keep_alive_cnt; |
034c6ed7 | 88 | usec_t timeout_usec; |
209e9dcd SS |
89 | usec_t keep_alive_time; |
90 | usec_t keep_alive_interval; | |
cc567c9b | 91 | usec_t defer_accept; |
034c6ed7 | 92 | |
e537352b | 93 | ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX]; |
5cb5a6ff | 94 | ExecContext exec_context; |
4819ff03 | 95 | KillContext kill_context; |
4ad49000 | 96 | CGroupContext cgroup_context; |
613b411c | 97 | ExecRuntime *exec_runtime; |
5cb5a6ff | 98 | |
b15bdda8 LP |
99 | /* For Accept=no sockets refers to the one service we'll |
100 | activate. For Accept=yes sockets is either NULL, or filled | |
101 | when the next service we spawn. */ | |
57020a3a | 102 | UnitRef service; |
034c6ed7 | 103 | |
a16e1123 | 104 | SocketState state, deserialized_state; |
034c6ed7 | 105 | |
718db961 | 106 | sd_event_source *timer_event_source; |
7fab9d01 | 107 | |
034c6ed7 | 108 | ExecCommand* control_command; |
a16e1123 | 109 | SocketExecCommand control_command_id; |
5cb5a6ff LP |
110 | pid_t control_pid; |
111 | ||
7fab9d01 LP |
112 | mode_t directory_mode; |
113 | mode_t socket_mode; | |
4f2d528d | 114 | |
cfc4eb4c | 115 | SocketResult result; |
7fab9d01 | 116 | |
811ba7a0 LP |
117 | char **symlinks; |
118 | ||
7fab9d01 | 119 | bool accept; |
bd1fe7c7 | 120 | bool remove_on_stop; |
55301ec0 | 121 | bool writable; |
4fd5948e | 122 | |
74bb646e SS |
123 | int socket_protocol; |
124 | ||
4fd5948e LP |
125 | /* Socket options */ |
126 | bool keep_alive; | |
4427c3f4 | 127 | bool no_delay; |
7fab9d01 | 128 | bool free_bind; |
6b6d2dee | 129 | bool transparent; |
ec6370a2 | 130 | bool broadcast; |
d68af586 | 131 | bool pass_cred; |
54ecda32 | 132 | bool pass_sec; |
68667801 ZJS |
133 | |
134 | /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */ | |
135 | SocketAddressBindIPv6Only bind_ipv6_only; | |
136 | ||
4fd5948e | 137 | int priority; |
7fab9d01 | 138 | int mark; |
4fd5948e LP |
139 | size_t receive_buffer; |
140 | size_t send_buffer; | |
141 | int ip_tos; | |
142 | int ip_ttl; | |
143 | size_t pipe_size; | |
4fd5948e | 144 | char *bind_to_device; |
cebf8b20 | 145 | char *tcp_congestion; |
718db961 | 146 | bool reuse_port; |
916abb21 LP |
147 | long mq_maxmsg; |
148 | long mq_msgsize; | |
57020a3a | 149 | |
0eb59ccf AK |
150 | char *smack; |
151 | char *smack_ip_in; | |
152 | char *smack_ip_out; | |
3900e5fd | 153 | |
16115b0a MS |
154 | bool selinux_context_from_net; |
155 | ||
3900e5fd | 156 | char *user, *group; |
5ad096b3 LP |
157 | |
158 | bool reset_cpu_usage:1; | |
8dd4c05b LP |
159 | |
160 | char *fdname; | |
5cb5a6ff LP |
161 | }; |
162 | ||
44d8db9e | 163 | /* Called from the service code when collecting fds */ |
79c7626d | 164 | int socket_collect_fds(Socket *s, int **fds); |
44d8db9e | 165 | |
6cf6bbc2 LP |
166 | /* Called from the service code when a per-connection service ended */ |
167 | void socket_connection_unref(Socket *s); | |
168 | ||
74051b9b LP |
169 | void socket_free_ports(Socket *s); |
170 | ||
8dd4c05b LP |
171 | int socket_instantiate_service(Socket *s); |
172 | ||
173 | char *socket_fdname(Socket *s); | |
174 | ||
87f0e418 | 175 | extern const UnitVTable socket_vtable; |
5cb5a6ff | 176 | |
44a6b1b6 ZJS |
177 | const char* socket_exec_command_to_string(SocketExecCommand i) _const_; |
178 | SocketExecCommand socket_exec_command_from_string(const char *s) _pure_; | |
a16e1123 | 179 | |
44a6b1b6 ZJS |
180 | const char* socket_result_to_string(SocketResult i) _const_; |
181 | SocketResult socket_result_from_string(const char *s) _pure_; | |
67419600 | 182 | |
44a6b1b6 | 183 | const char* socket_port_type_to_string(SocketPort *p) _pure_; |