1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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
);
82 unsigned n_connections
;
83 unsigned max_connections
;
88 ExecCommand
* exec_command
[_SOCKET_EXEC_COMMAND_MAX
];
89 ExecContext exec_context
;
91 /* For Accept=no sockets refers to the one service we'll
92 activate. For Accept=yes sockets is either NULL, or filled
93 when the next service we spawn. */
96 SocketState state
, deserialized_state
;
100 ExecCommand
* control_command
;
101 SocketExecCommand control_command_id
;
104 /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */
105 SocketAddressBindIPv6Only bind_ipv6_only
;
107 mode_t directory_mode
;
119 size_t receive_buffer
;
124 char *bind_to_device
;
125 char *tcp_congestion
;
128 /* Called from the service code when collecting fds */
129 int socket_collect_fds(Socket
*s
, int **fds
, unsigned *n_fds
);
131 /* Called from the service when it shut down */
132 void socket_notify_service_dead(Socket
*s
);
134 /* Called from the mount code figure out if a mount is a dependency of
135 * any of the sockets of this socket */
136 int socket_add_one_mount_link(Socket
*s
, Mount
*m
);
138 /* Called from the service code when a per-connection service ended */
139 void socket_connection_unref(Socket
*s
);
141 extern const UnitVTable socket_vtable
;
143 const char* socket_state_to_string(SocketState i
);
144 SocketState
socket_state_from_string(const char *s
);
146 const char* socket_exec_command_to_string(SocketExecCommand i
);
147 SocketExecCommand
socket_exec_command_from_string(const char *s
);