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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" |
57020a3a | 31 | #include "service.h" |
5cb5a6ff LP |
32 | |
33 | typedef enum SocketState { | |
34 | SOCKET_DEAD, | |
35 | SOCKET_START_PRE, | |
36 | SOCKET_START_POST, | |
37 | SOCKET_LISTENING, | |
38 | SOCKET_RUNNING, | |
39 | SOCKET_STOP_PRE, | |
034c6ed7 LP |
40 | SOCKET_STOP_PRE_SIGTERM, |
41 | SOCKET_STOP_PRE_SIGKILL, | |
5cb5a6ff | 42 | SOCKET_STOP_POST, |
80876c20 LP |
43 | SOCKET_FINAL_SIGTERM, |
44 | SOCKET_FINAL_SIGKILL, | |
fdf20a31 | 45 | SOCKET_FAILED, |
e537352b LP |
46 | _SOCKET_STATE_MAX, |
47 | _SOCKET_STATE_INVALID = -1 | |
5cb5a6ff LP |
48 | } SocketState; |
49 | ||
50 | typedef enum SocketExecCommand { | |
51 | SOCKET_EXEC_START_PRE, | |
52 | SOCKET_EXEC_START_POST, | |
53 | SOCKET_EXEC_STOP_PRE, | |
54 | SOCKET_EXEC_STOP_POST, | |
e537352b LP |
55 | _SOCKET_EXEC_COMMAND_MAX, |
56 | _SOCKET_EXEC_COMMAND_INVALID = -1 | |
5cb5a6ff LP |
57 | } SocketExecCommand; |
58 | ||
542563ba LP |
59 | typedef enum SocketType { |
60 | SOCKET_SOCKET, | |
e537352b | 61 | SOCKET_FIFO, |
b0a3f2bc | 62 | SOCKET_SPECIAL, |
916abb21 | 63 | SOCKET_MQUEUE, |
e537352b LP |
64 | _SOCKET_FIFO_MAX, |
65 | _SOCKET_FIFO_INVALID = -1 | |
542563ba LP |
66 | } SocketType; |
67 | ||
01f78473 | 68 | typedef struct SocketPort { |
542563ba | 69 | SocketType type; |
9d58f1db | 70 | int fd; |
542563ba LP |
71 | |
72 | SocketAddress address; | |
73 | char *path; | |
acbb0225 | 74 | Watch fd_watch; |
542563ba | 75 | |
01f78473 LP |
76 | LIST_FIELDS(struct SocketPort, port); |
77 | } SocketPort; | |
542563ba | 78 | |
5cb5a6ff LP |
79 | struct Socket { |
80 | Meta meta; | |
81 | ||
542563ba LP |
82 | LIST_HEAD(SocketPort, ports); |
83 | ||
7fab9d01 LP |
84 | unsigned n_accepted; |
85 | unsigned n_connections; | |
86 | unsigned max_connections; | |
87 | ||
542563ba | 88 | unsigned backlog; |
034c6ed7 LP |
89 | usec_t timeout_usec; |
90 | ||
e537352b | 91 | ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX]; |
5cb5a6ff LP |
92 | ExecContext exec_context; |
93 | ||
b15bdda8 LP |
94 | /* For Accept=no sockets refers to the one service we'll |
95 | activate. For Accept=yes sockets is either NULL, or filled | |
96 | when the next service we spawn. */ | |
57020a3a | 97 | UnitRef service; |
034c6ed7 | 98 | |
a16e1123 | 99 | SocketState state, deserialized_state; |
034c6ed7 | 100 | |
7fab9d01 LP |
101 | Watch timer_watch; |
102 | ||
034c6ed7 | 103 | ExecCommand* control_command; |
a16e1123 | 104 | SocketExecCommand control_command_id; |
5cb5a6ff LP |
105 | pid_t control_pid; |
106 | ||
7fab9d01 LP |
107 | mode_t directory_mode; |
108 | mode_t socket_mode; | |
4f2d528d | 109 | |
034c6ed7 | 110 | bool failure; |
7fab9d01 LP |
111 | |
112 | bool accept; | |
4fd5948e LP |
113 | |
114 | /* Socket options */ | |
115 | bool keep_alive; | |
7fab9d01 | 116 | bool free_bind; |
6b6d2dee | 117 | bool transparent; |
ec6370a2 | 118 | bool broadcast; |
d68af586 | 119 | bool pass_cred; |
4fd5948e | 120 | int priority; |
7fab9d01 | 121 | int mark; |
4fd5948e LP |
122 | size_t receive_buffer; |
123 | size_t send_buffer; | |
124 | int ip_tos; | |
125 | int ip_ttl; | |
126 | size_t pipe_size; | |
4fd5948e | 127 | char *bind_to_device; |
cebf8b20 | 128 | char *tcp_congestion; |
916abb21 LP |
129 | long mq_maxmsg; |
130 | long mq_msgsize; | |
57020a3a LP |
131 | |
132 | /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */ | |
133 | SocketAddressBindIPv6Only bind_ipv6_only; | |
5cb5a6ff LP |
134 | }; |
135 | ||
44d8db9e LP |
136 | /* Called from the service code when collecting fds */ |
137 | int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds); | |
138 | ||
ceee3d82 LP |
139 | /* Called from the service when it shut down */ |
140 | void socket_notify_service_dead(Socket *s); | |
141 | ||
6e2ef85b LP |
142 | /* Called from the mount code figure out if a mount is a dependency of |
143 | * any of the sockets of this socket */ | |
144 | int socket_add_one_mount_link(Socket *s, Mount *m); | |
145 | ||
6cf6bbc2 LP |
146 | /* Called from the service code when a per-connection service ended */ |
147 | void socket_connection_unref(Socket *s); | |
148 | ||
87f0e418 | 149 | extern const UnitVTable socket_vtable; |
5cb5a6ff | 150 | |
a16e1123 LP |
151 | const char* socket_state_to_string(SocketState i); |
152 | SocketState socket_state_from_string(const char *s); | |
153 | ||
154 | const char* socket_exec_command_to_string(SocketExecCommand i); | |
155 | SocketExecCommand socket_exec_command_from_string(const char *s); | |
156 | ||
5cb5a6ff | 157 | #endif |