2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <sys/utsname.h>
16 #include <sys/sysinfo.h>
17 #include <sys/ioctl.h>
18 #include <sys/types.h>
24 #include <libubox/uloop.h>
30 static struct blob_buf b
;
32 static int system_board(struct ubus_context
*ctx
, struct ubus_object
*obj
,
33 struct ubus_request_data
*req
, const char *method
,
34 struct blob_attr
*msg
)
39 struct utsname utsname
;
44 if (uname(&utsname
) >= 0)
46 blobmsg_add_string(&b
, "kernel", utsname
.release
);
47 blobmsg_add_string(&b
, "hostname", utsname
.nodename
);
50 if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
52 while(fgets(line
, sizeof(line
), f
))
54 key
= strtok(line
, "\t:");
55 val
= strtok(NULL
, "\t\n");
60 if (!strcasecmp(key
, "system type") ||
61 !strcasecmp(key
, "processor") ||
62 !strcasecmp(key
, "model name"))
64 blobmsg_add_string(&b
, "system", val
+ 2);
72 if ((f
= fopen("/tmp/sysinfo/model", "r")) != NULL
)
74 if (fgets(line
, sizeof(line
), f
))
76 val
= strtok(line
, "\t\n");
79 blobmsg_add_string(&b
, "model", val
);
84 else if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
86 while(fgets(line
, sizeof(line
), f
))
88 key
= strtok(line
, "\t:");
89 val
= strtok(NULL
, "\t\n");
94 if (!strcasecmp(key
, "machine") ||
95 !strcasecmp(key
, "hardware"))
97 blobmsg_add_string(&b
, "model", val
+ 2);
105 if ((f
= fopen("/etc/openwrt_release", "r")) != NULL
)
107 c
= blobmsg_open_table(&b
, "release");
109 while (fgets(line
, sizeof(line
), f
))
111 key
= strtok(line
, "=\"");
112 val
= strtok(NULL
, "\"\n");
117 if (!strcasecmp(key
, "DISTRIB_ID"))
118 blobmsg_add_string(&b
, "distribution", val
);
119 else if (!strcasecmp(key
, "DISTRIB_RELEASE"))
120 blobmsg_add_string(&b
, "version", val
);
121 else if (!strcasecmp(key
, "DISTRIB_REVISION"))
122 blobmsg_add_string(&b
, "revision", val
);
123 else if (!strcasecmp(key
, "DISTRIB_CODENAME"))
124 blobmsg_add_string(&b
, "codename", val
);
125 else if (!strcasecmp(key
, "DISTRIB_TARGET"))
126 blobmsg_add_string(&b
, "target", val
);
127 else if (!strcasecmp(key
, "DISTRIB_DESCRIPTION"))
128 blobmsg_add_string(&b
, "description", val
);
131 blobmsg_close_array(&b
, c
);
136 ubus_send_reply(ctx
, req
, b
.head
);
138 return UBUS_STATUS_OK
;
141 static int system_info(struct ubus_context
*ctx
, struct ubus_object
*obj
,
142 struct ubus_request_data
*req
, const char *method
,
143 struct blob_attr
*msg
)
152 if (!(tm
= localtime(&now
)))
153 return UBUS_STATUS_UNKNOWN_ERROR
;
156 return UBUS_STATUS_UNKNOWN_ERROR
;
158 blob_buf_init(&b
, 0);
160 blobmsg_add_u32(&b
, "uptime", info
.uptime
);
161 blobmsg_add_u32(&b
, "localtime", mktime(tm
));
163 c
= blobmsg_open_array(&b
, "load");
164 blobmsg_add_u32(&b
, NULL
, info
.loads
[0]);
165 blobmsg_add_u32(&b
, NULL
, info
.loads
[1]);
166 blobmsg_add_u32(&b
, NULL
, info
.loads
[2]);
167 blobmsg_close_array(&b
, c
);
169 c
= blobmsg_open_table(&b
, "memory");
170 blobmsg_add_u32(&b
, "total", info
.mem_unit
* info
.totalram
);
171 blobmsg_add_u32(&b
, "free", info
.mem_unit
* info
.freeram
);
172 blobmsg_add_u32(&b
, "shared", info
.mem_unit
* info
.sharedram
);
173 blobmsg_add_u32(&b
, "buffered", info
.mem_unit
* info
.bufferram
);
174 blobmsg_close_table(&b
, c
);
176 c
= blobmsg_open_table(&b
, "swap");
177 blobmsg_add_u32(&b
, "total", info
.mem_unit
* info
.totalswap
);
178 blobmsg_add_u32(&b
, "free", info
.mem_unit
* info
.freeswap
);
179 blobmsg_close_table(&b
, c
);
181 ubus_send_reply(ctx
, req
, b
.head
);
183 return UBUS_STATUS_OK
;
186 static int system_upgrade(struct ubus_context
*ctx
, struct ubus_object
*obj
,
187 struct ubus_request_data
*req
, const char *method
,
188 struct blob_attr
*msg
)
190 procd_reconnect_ubus(0);
204 static const struct blobmsg_policy watchdog_policy
[__WDT_MAX
] = {
205 [WDT_FREQUENCY
] = { .name
= "frequency", .type
= BLOBMSG_TYPE_INT32
},
206 [WDT_TIMEOUT
] = { .name
= "timeout", .type
= BLOBMSG_TYPE_INT32
},
207 [WDT_STOP
] = { .name
= "stop", .type
= BLOBMSG_TYPE_BOOL
},
210 static int watchdog_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
211 struct ubus_request_data
*req
, const char *method
,
212 struct blob_attr
*msg
)
214 struct blob_attr
*tb
[__WDT_MAX
];
218 return UBUS_STATUS_INVALID_ARGUMENT
;
220 blobmsg_parse(watchdog_policy
, __WDT_MAX
, tb
, blob_data(msg
), blob_len(msg
));
221 if (tb
[WDT_FREQUENCY
]) {
222 unsigned int timeout
= watchdog_timeout(0);
223 unsigned int freq
= blobmsg_get_u32(tb
[WDT_FREQUENCY
]);
226 if (freq
> timeout
/ 2)
228 watchdog_frequency(freq
);
232 if (tb
[WDT_TIMEOUT
]) {
233 unsigned int timeout
= blobmsg_get_u32(tb
[WDT_TIMEOUT
]);
234 unsigned int frequency
= watchdog_frequency(0);
236 if (timeout
<= frequency
)
237 timeout
= frequency
* 2;
238 watchdog_timeout(timeout
);
242 watchdog_set_stopped(blobmsg_get_bool(tb
[WDT_STOP
]));
244 if (watchdog_fd() < 0)
246 else if (watchdog_get_stopped())
251 blob_buf_init(&b
, 0);
252 blobmsg_add_string(&b
, "status", status
);
253 blobmsg_add_u32(&b
, "timeout", watchdog_timeout(0));
254 blobmsg_add_u32(&b
, "frequency", watchdog_frequency(0));
255 ubus_send_reply(ctx
, req
, b
.head
);
266 static const struct blobmsg_policy signal_policy
[__WDT_MAX
] = {
267 [SIGNAL_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
268 [SIGNAL_NUM
] = { .name
= "signum", .type
= BLOBMSG_TYPE_INT32
},
271 static int proc_signal(struct ubus_context
*ctx
, struct ubus_object
*obj
,
272 struct ubus_request_data
*req
, const char *method
,
273 struct blob_attr
*msg
)
275 struct blob_attr
*tb
[__SIGNAL_MAX
];
278 return UBUS_STATUS_INVALID_ARGUMENT
;
280 blobmsg_parse(signal_policy
, __SIGNAL_MAX
, tb
, blob_data(msg
), blob_len(msg
));
281 if (!tb
[SIGNAL_PID
|| !tb
[SIGNAL_NUM
]])
282 return UBUS_STATUS_INVALID_ARGUMENT
;
284 kill(blobmsg_get_u32(tb
[SIGNAL_PID
]), blobmsg_get_u32(tb
[SIGNAL_NUM
]));
289 static const struct ubus_method system_methods
[] = {
290 UBUS_METHOD_NOARG("board", system_board
),
291 UBUS_METHOD_NOARG("info", system_info
),
292 UBUS_METHOD_NOARG("upgrade", system_upgrade
),
293 UBUS_METHOD("watchdog", watchdog_set
, watchdog_policy
),
294 UBUS_METHOD("signal", proc_signal
, signal_policy
),
297 static struct ubus_object_type system_object_type
=
298 UBUS_OBJECT_TYPE("system", system_methods
);
300 static struct ubus_object system_object
= {
302 .type
= &system_object_type
,
303 .methods
= system_methods
,
304 .n_methods
= ARRAY_SIZE(system_methods
),
307 void ubus_init_system(struct ubus_context
*ctx
)
311 ret
= ubus_add_object(ctx
, &system_object
);
313 ERROR("Failed to add object: %s\n", ubus_strerror(ret
));