1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
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.
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.
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/>.
25 typedef struct Socket Socket;
29 #include "socket-util.h"
32 typedef enum SocketState {
39 SOCKET_STOP_PRE_SIGTERM,
40 SOCKET_STOP_PRE_SIGKILL,
46 _SOCKET_STATE_INVALID = -1
49 typedef enum SocketExecCommand {
50 SOCKET_EXEC_START_PRE,
51 SOCKET_EXEC_START_POST,
53 SOCKET_EXEC_STOP_POST,
54 _SOCKET_EXEC_COMMAND_MAX,
55 _SOCKET_EXEC_COMMAND_INVALID = -1
58 typedef enum SocketType {
62 _SOCKET_FIFO_INVALID = -1
65 typedef struct SocketPort {
69 SocketAddress address;
73 LIST_FIELDS(struct SocketPort, port);
79 LIST_HEAD(SocketPort, ports);
84 ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX];
85 ExecContext exec_context;
89 SocketState state, deserialized_state;
93 ExecCommand* control_command;
94 SocketExecCommand control_command_id;
99 unsigned n_connections;
100 unsigned max_connections;
108 size_t receive_buffer;
115 char *bind_to_device;
117 /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */
118 SocketAddressBindIPv6Only bind_ipv6_only;
120 mode_t directory_mode;
124 /* Called from the service code when collecting fds */
125 int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds);
127 /* Called from the service when it shut down */
128 void socket_notify_service_dead(Socket *s);
130 /* Called from the mount code figure out if a mount is a dependency of
131 * any of the sockets of this socket */
132 int socket_add_one_mount_link(Socket *s, Mount *m);
134 /* Called from the service code when a per-connection service ended */
135 void socket_connection_unref(Socket *s);
137 extern const UnitVTable socket_vtable;
139 const char* socket_state_to_string(SocketState i);
140 SocketState socket_state_from_string(const char *s);
142 const char* socket_exec_command_to_string(SocketExecCommand i);
143 SocketExecCommand socket_exec_command_from_string(const char *s);