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 int upgrade_running = 0;
33 static int system_board(struct ubus_context *ctx, struct ubus_object *obj,
34 struct ubus_request_data *req, const char *method,
35 struct blob_attr *msg)
40 struct utsname utsname;
45 if (uname(&utsname) >= 0)
47 blobmsg_add_string(&b, "kernel", utsname.release);
48 blobmsg_add_string(&b, "hostname", utsname.nodename);
51 if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
53 while(fgets(line, sizeof(line), f))
55 key = strtok(line, "\t:");
56 val = strtok(NULL, "\t\n");
61 if (!strcasecmp(key, "system type") ||
62 !strcasecmp(key, "processor") ||
63 !strcasecmp(key, "model name"))
65 blobmsg_add_string(&b, "system", val + 2);
73 if ((f = fopen("/tmp/sysinfo/model", "r")) != NULL)
75 if (fgets(line, sizeof(line), f))
77 val = strtok(line, "\t\n");
80 blobmsg_add_string(&b, "model", val);
85 else if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
87 while(fgets(line, sizeof(line), f))
89 key = strtok(line, "\t:");
90 val = strtok(NULL, "\t\n");
95 if (!strcasecmp(key, "machine") ||
96 !strcasecmp(key, "hardware"))
98 blobmsg_add_string(&b, "model", val + 2);
106 if ((f = fopen("/etc/openwrt_release", "r")) != NULL)
108 c = blobmsg_open_table(&b, "release");
110 while (fgets(line, sizeof(line), f))
112 key = strtok(line, "=\"");
113 val = strtok(NULL, "\"\n");
118 if (!strcasecmp(key, "DISTRIB_ID"))
119 blobmsg_add_string(&b, "distribution", val);
120 else if (!strcasecmp(key, "DISTRIB_RELEASE"))
121 blobmsg_add_string(&b, "version", val);
122 else if (!strcasecmp(key, "DISTRIB_REVISION"))
123 blobmsg_add_string(&b, "revision", val);
124 else if (!strcasecmp(key, "DISTRIB_CODENAME"))
125 blobmsg_add_string(&b, "codename", val);
126 else if (!strcasecmp(key, "DISTRIB_TARGET"))
127 blobmsg_add_string(&b, "target", val);
128 else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
129 blobmsg_add_string(&b, "description", val);
132 blobmsg_close_array(&b, c);
137 ubus_send_reply(ctx, req, b.head);
139 return UBUS_STATUS_OK;
142 static int system_info(struct ubus_context *ctx, struct ubus_object *obj,
143 struct ubus_request_data *req, const char *method,
144 struct blob_attr *msg)
153 if (!(tm = localtime(&now)))
154 return UBUS_STATUS_UNKNOWN_ERROR;
157 return UBUS_STATUS_UNKNOWN_ERROR;
159 blob_buf_init(&b, 0);
161 blobmsg_add_u32(&b, "uptime", info.uptime);
162 blobmsg_add_u32(&b, "localtime", mktime(tm));
164 c = blobmsg_open_array(&b, "load");
165 blobmsg_add_u32(&b, NULL, info.loads[0]);
166 blobmsg_add_u32(&b, NULL, info.loads[1]);
167 blobmsg_add_u32(&b, NULL, info.loads[2]);
168 blobmsg_close_array(&b, c);
170 c = blobmsg_open_table(&b, "memory");
171 blobmsg_add_u32(&b, "total", info.mem_unit * info.totalram);
172 blobmsg_add_u32(&b, "free", info.mem_unit * info.freeram);
173 blobmsg_add_u32(&b, "shared", info.mem_unit * info.sharedram);
174 blobmsg_add_u32(&b, "buffered", info.mem_unit * info.bufferram);
175 blobmsg_close_table(&b, c);
177 c = blobmsg_open_table(&b, "swap");
178 blobmsg_add_u32(&b, "total", info.mem_unit * info.totalswap);
179 blobmsg_add_u32(&b, "free", info.mem_unit * info.freeswap);
180 blobmsg_close_table(&b, c);
182 ubus_send_reply(ctx, req, b.head);
184 return UBUS_STATUS_OK;
187 static int system_upgrade(struct ubus_context *ctx, struct ubus_object *obj,
188 struct ubus_request_data *req, const char *method,
189 struct blob_attr *msg)
202 static const struct blobmsg_policy watchdog_policy[__WDT_MAX] = {
203 [WDT_FREQUENCY] = { .name = "frequency", .type = BLOBMSG_TYPE_INT32 },
204 [WDT_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
205 [WDT_STOP] = { .name = "stop", .type = BLOBMSG_TYPE_BOOL },
208 static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
209 struct ubus_request_data *req, const char *method,
210 struct blob_attr *msg)
212 struct blob_attr *tb[__WDT_MAX];
216 return UBUS_STATUS_INVALID_ARGUMENT;
218 blobmsg_parse(watchdog_policy, __WDT_MAX, tb, blob_data(msg), blob_len(msg));
219 if (tb[WDT_FREQUENCY]) {
220 unsigned int timeout = watchdog_timeout(0);
221 unsigned int freq = blobmsg_get_u32(tb[WDT_FREQUENCY]);
224 if (freq > timeout / 2)
226 watchdog_frequency(freq);
230 if (tb[WDT_TIMEOUT]) {
231 unsigned int timeout = blobmsg_get_u32(tb[WDT_TIMEOUT]);
232 unsigned int frequency = watchdog_frequency(0);
234 if (timeout <= frequency)
235 timeout = frequency * 2;
236 watchdog_timeout(timeout);
240 watchdog_set_stopped(blobmsg_get_bool(tb[WDT_STOP]));
242 if (watchdog_fd() < 0)
244 else if (watchdog_get_stopped())
249 blob_buf_init(&b, 0);
250 blobmsg_add_string(&b, "status", status);
251 blobmsg_add_u32(&b, "timeout", watchdog_timeout(0));
252 blobmsg_add_u32(&b, "frequency", watchdog_frequency(0));
253 ubus_send_reply(ctx, req, b.head);
264 static const struct blobmsg_policy signal_policy[__WDT_MAX] = {
265 [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
266 [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
269 static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
270 struct ubus_request_data *req, const char *method,
271 struct blob_attr *msg)
273 struct blob_attr *tb[__SIGNAL_MAX];
276 return UBUS_STATUS_INVALID_ARGUMENT;
278 blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
279 if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
280 return UBUS_STATUS_INVALID_ARGUMENT;
282 kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
287 static const struct ubus_method system_methods[] = {
288 UBUS_METHOD_NOARG("board", system_board),
289 UBUS_METHOD_NOARG("info", system_info),
290 UBUS_METHOD_NOARG("upgrade", system_upgrade),
291 UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
292 UBUS_METHOD("signal", proc_signal, signal_policy),
295 static struct ubus_object_type system_object_type =
296 UBUS_OBJECT_TYPE("system", system_methods);
298 static struct ubus_object system_object = {
300 .type = &system_object_type,
301 .methods = system_methods,
302 .n_methods = ARRAY_SIZE(system_methods),
305 void ubus_init_system(struct ubus_context *ctx)
309 ret = ubus_add_object(ctx, &system_object);
311 ERROR("Failed to add object: %s\n", ubus_strerror(ret));