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>
29 static struct blob_buf b
;
31 static struct ubus_context
*_ctx
;
33 int upgrade_running
= 0;
35 static int system_board(struct ubus_context
*ctx
, struct ubus_object
*obj
,
36 struct ubus_request_data
*req
, const char *method
,
37 struct blob_attr
*msg
)
42 struct utsname utsname
;
47 if (uname(&utsname
) >= 0)
49 blobmsg_add_string(&b
, "kernel", utsname
.release
);
50 blobmsg_add_string(&b
, "hostname", utsname
.nodename
);
53 if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
55 while(fgets(line
, sizeof(line
), f
))
57 key
= strtok(line
, "\t:");
58 val
= strtok(NULL
, "\t\n");
63 if (!strcasecmp(key
, "system type") ||
64 !strcasecmp(key
, "processor") ||
65 !strcasecmp(key
, "model name"))
67 blobmsg_add_string(&b
, "system", val
+ 2);
75 if ((f
= fopen("/tmp/sysinfo/model", "r")) != NULL
)
77 if (fgets(line
, sizeof(line
), f
))
79 val
= strtok(line
, "\t\n");
82 blobmsg_add_string(&b
, "model", val
);
87 else if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
89 while(fgets(line
, sizeof(line
), f
))
91 key
= strtok(line
, "\t:");
92 val
= strtok(NULL
, "\t\n");
97 if (!strcasecmp(key
, "machine") ||
98 !strcasecmp(key
, "hardware"))
100 blobmsg_add_string(&b
, "model", val
+ 2);
108 if ((f
= fopen("/etc/openwrt_release", "r")) != NULL
)
110 c
= blobmsg_open_table(&b
, "release");
112 while (fgets(line
, sizeof(line
), f
))
114 key
= strtok(line
, "=\"");
115 val
= strtok(NULL
, "\"\n");
120 if (!strcasecmp(key
, "DISTRIB_ID"))
121 blobmsg_add_string(&b
, "distribution", val
);
122 else if (!strcasecmp(key
, "DISTRIB_RELEASE"))
123 blobmsg_add_string(&b
, "version", val
);
124 else if (!strcasecmp(key
, "DISTRIB_REVISION"))
125 blobmsg_add_string(&b
, "revision", val
);
126 else if (!strcasecmp(key
, "DISTRIB_CODENAME"))
127 blobmsg_add_string(&b
, "codename", val
);
128 else if (!strcasecmp(key
, "DISTRIB_TARGET"))
129 blobmsg_add_string(&b
, "target", val
);
130 else if (!strcasecmp(key
, "DISTRIB_DESCRIPTION"))
131 blobmsg_add_string(&b
, "description", val
);
134 blobmsg_close_array(&b
, c
);
139 ubus_send_reply(ctx
, req
, b
.head
);
141 return UBUS_STATUS_OK
;
144 static int system_info(struct ubus_context
*ctx
, struct ubus_object
*obj
,
145 struct ubus_request_data
*req
, const char *method
,
146 struct blob_attr
*msg
)
155 if (!(tm
= localtime(&now
)))
156 return UBUS_STATUS_UNKNOWN_ERROR
;
159 return UBUS_STATUS_UNKNOWN_ERROR
;
161 blob_buf_init(&b
, 0);
163 blobmsg_add_u32(&b
, "uptime", info
.uptime
);
164 blobmsg_add_u32(&b
, "localtime", mktime(tm
));
166 c
= blobmsg_open_array(&b
, "load");
167 blobmsg_add_u32(&b
, NULL
, info
.loads
[0]);
168 blobmsg_add_u32(&b
, NULL
, info
.loads
[1]);
169 blobmsg_add_u32(&b
, NULL
, info
.loads
[2]);
170 blobmsg_close_array(&b
, c
);
172 c
= blobmsg_open_table(&b
, "memory");
173 blobmsg_add_u32(&b
, "total", info
.mem_unit
* info
.totalram
);
174 blobmsg_add_u32(&b
, "free", info
.mem_unit
* info
.freeram
);
175 blobmsg_add_u32(&b
, "shared", info
.mem_unit
* info
.sharedram
);
176 blobmsg_add_u32(&b
, "buffered", info
.mem_unit
* info
.bufferram
);
177 blobmsg_close_table(&b
, c
);
179 c
= blobmsg_open_table(&b
, "swap");
180 blobmsg_add_u32(&b
, "total", info
.mem_unit
* info
.totalswap
);
181 blobmsg_add_u32(&b
, "free", info
.mem_unit
* info
.freeswap
);
182 blobmsg_close_table(&b
, c
);
184 ubus_send_reply(ctx
, req
, b
.head
);
186 return UBUS_STATUS_OK
;
189 static int system_upgrade(struct ubus_context
*ctx
, struct ubus_object
*obj
,
190 struct ubus_request_data
*req
, const char *method
,
191 struct blob_attr
*msg
)
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
[__SIGNAL_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
]));
290 procd_subscribe_cb(struct ubus_context
*ctx
, struct ubus_object
*obj
)
292 notify
= obj
->has_subscribers
;
295 static const struct ubus_method system_methods
[] = {
296 UBUS_METHOD_NOARG("board", system_board
),
297 UBUS_METHOD_NOARG("info", system_info
),
298 UBUS_METHOD_NOARG("upgrade", system_upgrade
),
299 UBUS_METHOD("watchdog", watchdog_set
, watchdog_policy
),
300 UBUS_METHOD("signal", proc_signal
, signal_policy
),
303 static struct ubus_object_type system_object_type
=
304 UBUS_OBJECT_TYPE("system", system_methods
);
306 static struct ubus_object system_object
= {
308 .type
= &system_object_type
,
309 .methods
= system_methods
,
310 .n_methods
= ARRAY_SIZE(system_methods
),
311 .subscribe_cb
= procd_subscribe_cb
,
315 procd_bcast_event(char *event
, struct blob_attr
*msg
)
322 ret
= ubus_notify(_ctx
, &system_object
, event
, msg
, -1);
324 fprintf(stderr
, "Failed to notify log: %s\n", ubus_strerror(ret
));
327 void ubus_init_system(struct ubus_context
*ctx
)
332 ret
= ubus_add_object(ctx
, &system_object
);
334 ERROR("Failed to add object: %s\n", ubus_strerror(ret
));