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96fa1ff0 MN |
1 | /* |
2 | * lxc: linux Container library | |
3 | * | |
4 | * (C) Copyright IBM Corp. 2007, 2009 | |
5 | * | |
6 | * Authors: | |
9afe19d6 | 7 | * Daniel Lezcano <daniel.lezcano at free.fr> |
96fa1ff0 MN |
8 | * |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, write to the Free Software | |
250b1eec | 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
96fa1ff0 | 22 | */ |
ef6e34ee | 23 | |
f1a4a029 ÇO |
24 | #ifndef __LXC_COMMANDS_H |
25 | #define __LXC_COMMANDS_H | |
96fa1ff0 | 26 | |
92e35018 | 27 | #include <stdio.h> |
92e35018 | 28 | #include <sys/types.h> |
9b8d4c58 | 29 | #include <unistd.h> |
92e35018 | 30 | |
191d43cc | 31 | #include "lxccontainer.h" |
9b8d4c58 CB |
32 | #include "macro.h" |
33 | #include "state.h" | |
ef6e34ee DE |
34 | |
35 | typedef enum { | |
36 | LXC_CMD_CONSOLE, | |
8ccbbf94 | 37 | LXC_CMD_TERMINAL_WINCH, |
ef6e34ee DE |
38 | LXC_CMD_STOP, |
39 | LXC_CMD_GET_STATE, | |
40 | LXC_CMD_GET_INIT_PID, | |
41 | LXC_CMD_GET_CLONE_FLAGS, | |
42 | LXC_CMD_GET_CGROUP, | |
43 | LXC_CMD_GET_CONFIG_ITEM, | |
88556fd7 ÇO |
44 | LXC_CMD_GET_NAME, |
45 | LXC_CMD_GET_LXCPATH, | |
54446942 | 46 | LXC_CMD_ADD_STATE_CLIENT, |
191d43cc | 47 | LXC_CMD_CONSOLE_LOG, |
974a8aba | 48 | LXC_CMD_SERVE_STATE_CLIENTS, |
cdb2a47f | 49 | LXC_CMD_SECCOMP_NOTIFY_ADD_LISTENER, |
ef6e34ee DE |
50 | LXC_CMD_MAX, |
51 | } lxc_cmd_t; | |
96fa1ff0 | 52 | |
ef6e34ee DE |
53 | struct lxc_cmd_req { |
54 | lxc_cmd_t cmd; | |
55 | int datalen; | |
56 | const void *data; | |
96fa1ff0 MN |
57 | }; |
58 | ||
ef6e34ee | 59 | struct lxc_cmd_rsp { |
96fa1ff0 | 60 | int ret; /* 0 on success, -errno on failure */ |
ef6e34ee DE |
61 | int datalen; |
62 | void *data; | |
96fa1ff0 MN |
63 | }; |
64 | ||
ef6e34ee DE |
65 | struct lxc_cmd_rr { |
66 | struct lxc_cmd_req req; | |
67 | struct lxc_cmd_rsp rsp; | |
96fa1ff0 MN |
68 | }; |
69 | ||
ef6e34ee | 70 | struct lxc_cmd_console_rsp_data { |
0115f8fd | 71 | int masterfd; |
ef6e34ee DE |
72 | int ttynum; |
73 | }; | |
724e753c | 74 | |
191d43cc CB |
75 | struct lxc_cmd_console_log { |
76 | bool clear; | |
77 | bool read; | |
78 | uint64_t read_max; | |
63b74cda | 79 | bool write_logfile; |
191d43cc CB |
80 | |
81 | }; | |
82 | ||
8ccbbf94 | 83 | extern int lxc_cmd_terminal_winch(const char *name, const char *lxcpath); |
ef6e34ee DE |
84 | extern int lxc_cmd_console(const char *name, int *ttynum, int *fd, |
85 | const char *lxcpath); | |
b98f7d6e SH |
86 | /* |
87 | * Get the 'real' cgroup path (as seen in /proc/self/cgroup) for a container | |
88 | * for a particular subsystem | |
89 | */ | |
90 | extern char *lxc_cmd_get_cgroup_path(const char *name, const char *lxcpath, | |
91 | const char *subsystem); | |
ef6e34ee DE |
92 | extern int lxc_cmd_get_clone_flags(const char *name, const char *lxcpath); |
93 | extern char *lxc_cmd_get_config_item(const char *name, const char *item, const char *lxcpath); | |
88556fd7 ÇO |
94 | extern char *lxc_cmd_get_name(const char *hashed_sock); |
95 | extern char *lxc_cmd_get_lxcpath(const char *hashed_sock); | |
ef6e34ee | 96 | extern pid_t lxc_cmd_get_init_pid(const char *name, const char *lxcpath); |
dbc9832d | 97 | extern int lxc_cmd_get_state(const char *name, const char *lxcpath); |
ef6e34ee | 98 | extern int lxc_cmd_stop(const char *name, const char *lxcpath); |
92e35018 CB |
99 | |
100 | /* lxc_cmd_add_state_client Register a new state client fd in the container's | |
101 | * in-memory handler. | |
102 | * | |
103 | * @param[in] name Name of container to connect to. | |
104 | * @param[in] lxcpath The lxcpath in which the container is running. | |
105 | * @param[in] states The states to wait for. | |
106 | * @param[out] state_client_fd The state client fd from which the state can be | |
107 | * received. | |
108 | * @return Return < 0 on error | |
109 | * == MAX_STATE when state needs to retrieved | |
110 | * via socket fd | |
111 | * < MAX_STATE current container state | |
112 | */ | |
54446942 | 113 | extern int lxc_cmd_add_state_client(const char *name, const char *lxcpath, |
92e35018 CB |
114 | lxc_state_t states[MAX_STATE], |
115 | int *state_client_fd); | |
974a8aba CB |
116 | extern int lxc_cmd_serve_state_clients(const char *name, const char *lxcpath, |
117 | lxc_state_t state); | |
43eb6f29 | 118 | |
724e753c MN |
119 | struct lxc_epoll_descr; |
120 | struct lxc_handler; | |
121 | ||
9dfa4041 | 122 | extern int lxc_cmd_init(const char *name, const char *lxcpath, const char *suffix); |
ef6e34ee | 123 | extern int lxc_cmd_mainloop_add(const char *name, struct lxc_epoll_descr *descr, |
724e753c | 124 | struct lxc_handler *handler); |
b494d2dd | 125 | extern int lxc_try_cmd(const char *name, const char *lxcpath); |
191d43cc CB |
126 | extern int lxc_cmd_console_log(const char *name, const char *lxcpath, |
127 | struct lxc_console_log *log); | |
cdb2a47f CB |
128 | extern int lxc_cmd_seccomp_notify_add_listener(const char *name, |
129 | const char *lxcpath, | |
130 | int fd, | |
131 | /* unused */ unsigned int command, | |
132 | /* unused */ unsigned int flags); | |
0d9cd9c3 | 133 | |
ef6e34ee | 134 | #endif /* __commands_h */ |