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
{
64 _SOCKET_FIFO_INVALID
= -1
67 typedef struct SocketPort
{
71 SocketAddress address
;
75 LIST_FIELDS(struct SocketPort
, port
);
81 LIST_HEAD(SocketPort
, ports
);
84 unsigned n_connections
;
85 unsigned max_connections
;
90 ExecCommand
* exec_command
[_SOCKET_EXEC_COMMAND_MAX
];
91 ExecContext exec_context
;
93 /* For Accept=no sockets refers to the one service we'll
94 activate. For Accept=yes sockets is either NULL, or filled
95 when the next service we spawn. */
98 SocketState state
, deserialized_state
;
102 ExecCommand
* control_command
;
103 SocketExecCommand control_command_id
;
106 /* Only for INET6 sockets: issue IPV6_V6ONLY sockopt */
107 SocketAddressBindIPv6Only bind_ipv6_only
;
109 mode_t directory_mode
;
122 size_t receive_buffer
;
127 char *bind_to_device
;
128 char *tcp_congestion
;
133 /* Called from the service code when collecting fds */
134 int socket_collect_fds(Socket
*s
, int **fds
, unsigned *n_fds
);
136 /* Called from the service when it shut down */
137 void socket_notify_service_dead(Socket
*s
);
139 /* Called from the mount code figure out if a mount is a dependency of
140 * any of the sockets of this socket */
141 int socket_add_one_mount_link(Socket
*s
, Mount
*m
);
143 /* Called from the service code when a per-connection service ended */
144 void socket_connection_unref(Socket
*s
);
146 extern const UnitVTable socket_vtable
;
148 const char* socket_state_to_string(SocketState i
);
149 SocketState
socket_state_from_string(const char *s
);
151 const char* socket_exec_command_to_string(SocketExecCommand i
);
152 SocketExecCommand
socket_exec_command_from_string(const char *s
);