config.c revision 1.5.2.2 1 1.5.2.2 matt /* $NetBSD: config.c,v 1.5.2.2 2007/11/06 23:36:23 matt Exp $ */
2 1.5.2.2 matt
3 1.5.2.2 matt /*-
4 1.5.2.2 matt * Copyright (c) 2007 Juan Romero Pardines.
5 1.5.2.2 matt * All rights reserved.
6 1.5.2.2 matt *
7 1.5.2.2 matt * Redistribution and use in source and binary forms, with or without
8 1.5.2.2 matt * modification, are permitted provided that the following conditions
9 1.5.2.2 matt * are met:
10 1.5.2.2 matt * 1. Redistributions of source code must retain the above copyright
11 1.5.2.2 matt * notice, this list of conditions and the following disclaimer.
12 1.5.2.2 matt * 2. Redistributions in binary form must reproduce the above copyright
13 1.5.2.2 matt * notice, this list of conditions and the following disclaimer in the
14 1.5.2.2 matt * documentation and/or other materials provided with the distribution.
15 1.5.2.2 matt *
16 1.5.2.2 matt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 1.5.2.2 matt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 1.5.2.2 matt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 1.5.2.2 matt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 1.5.2.2 matt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 1.5.2.2 matt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 1.5.2.2 matt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 1.5.2.2 matt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 1.5.2.2 matt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 1.5.2.2 matt * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 1.5.2.2 matt */
27 1.5.2.2 matt
28 1.5.2.2 matt #include <sys/cdefs.h>
29 1.5.2.2 matt #ifndef lint
30 1.5.2.2 matt __RCSID("$NetBSD: config.c,v 1.5.2.2 2007/11/06 23:36:23 matt Exp $");
31 1.5.2.2 matt #endif /* not lint */
32 1.5.2.2 matt
33 1.5.2.2 matt #include <stdio.h>
34 1.5.2.2 matt #include <string.h>
35 1.5.2.2 matt #include <stdlib.h>
36 1.5.2.2 matt #include <err.h>
37 1.5.2.2 matt #include <errno.h>
38 1.5.2.2 matt #include <sys/queue.h>
39 1.5.2.2 matt #include <prop/proplib.h>
40 1.5.2.2 matt
41 1.5.2.2 matt #include "envstat.h"
42 1.5.2.2 matt
43 1.5.2.2 matt /*
44 1.5.2.2 matt * Singly linked list for dictionaries that store properties
45 1.5.2.2 matt * in a sensor.
46 1.5.2.2 matt */
47 1.5.2.2 matt static SLIST_HEAD(, sensor_block) sensor_block_list =
48 1.5.2.2 matt SLIST_HEAD_INITIALIZER(&sensor_block_list);
49 1.5.2.2 matt
50 1.5.2.2 matt /*
51 1.5.2.2 matt * Singly linked list for devices that store a proplib array
52 1.5.2.2 matt * device with a device name.
53 1.5.2.2 matt */
54 1.5.2.2 matt static SLIST_HEAD(, device_block) device_block_list =
55 1.5.2.2 matt SLIST_HEAD_INITIALIZER(&device_block_list);
56 1.5.2.2 matt
57 1.5.2.2 matt enum {
58 1.5.2.2 matt VALUE_ERR,
59 1.5.2.2 matt PROP_ERR,
60 1.5.2.2 matt SENSOR_ERR,
61 1.5.2.2 matt DEV_ERR
62 1.5.2.2 matt };
63 1.5.2.2 matt
64 1.5.2.2 matt static prop_dictionary_t cfdict, sensordict;
65 1.5.2.2 matt static void config_errmsg(int, const char *, const char *);
66 1.5.2.2 matt
67 1.5.2.2 matt static void
68 1.5.2.2 matt config_errmsg(int lvl, const char *key, const char *key2)
69 1.5.2.2 matt {
70 1.5.2.2 matt (void)printf("error: ");
71 1.5.2.2 matt
72 1.5.2.2 matt switch (lvl) {
73 1.5.2.2 matt case VALUE_ERR:
74 1.5.2.2 matt (void)printf("invalid value for '%s' in `%s'\n",
75 1.5.2.2 matt key, key2);
76 1.5.2.2 matt break;
77 1.5.2.2 matt case PROP_ERR:
78 1.5.2.2 matt (void)printf("the '%s' property is not allowed "
79 1.5.2.2 matt "in `%s'\n", key, key2);
80 1.5.2.2 matt break;
81 1.5.2.2 matt case SENSOR_ERR:
82 1.5.2.2 matt (void)printf("'%s' is not a valid sensor in the "
83 1.5.2.2 matt "`%s' device\n", key, key2);
84 1.5.2.2 matt break;
85 1.5.2.2 matt case DEV_ERR:
86 1.5.2.2 matt (void)printf("device `%s' doesn't exist\n", key);
87 1.5.2.2 matt break;
88 1.5.2.2 matt }
89 1.5.2.2 matt
90 1.5.2.2 matt (void)printf("please fix the configuration file!\n");
91 1.5.2.2 matt exit(EXIT_FAILURE);
92 1.5.2.2 matt }
93 1.5.2.2 matt
94 1.5.2.2 matt /*
95 1.5.2.2 matt * Adds a property into the global dictionary 'cfdict'.
96 1.5.2.2 matt */
97 1.5.2.2 matt void
98 1.5.2.2 matt config_dict_add_prop(const char *key, char *value)
99 1.5.2.2 matt {
100 1.5.2.2 matt if (!key || !value)
101 1.5.2.2 matt return;
102 1.5.2.2 matt
103 1.5.2.2 matt if (!sensordict) {
104 1.5.2.2 matt sensordict = prop_dictionary_create();
105 1.5.2.2 matt if (!sensordict)
106 1.5.2.2 matt err(EXIT_FAILURE, "cfdict");
107 1.5.2.2 matt }
108 1.5.2.2 matt
109 1.5.2.2 matt if (!prop_dictionary_set_cstring(sensordict, key, value))
110 1.5.2.2 matt err(EXIT_FAILURE, "prop_dict_set_cstring");
111 1.5.2.2 matt }
112 1.5.2.2 matt
113 1.5.2.2 matt /*
114 1.5.2.2 matt * Adds the last property into the dictionary and puts it into
115 1.5.2.2 matt * the singly linked list for future use.
116 1.5.2.2 matt */
117 1.5.2.2 matt void
118 1.5.2.2 matt config_dict_mark(const char *key)
119 1.5.2.2 matt {
120 1.5.2.2 matt struct sensor_block *sb;
121 1.5.2.2 matt
122 1.5.2.2 matt if (!key)
123 1.5.2.2 matt err(EXIT_FAILURE, "!key");
124 1.5.2.2 matt
125 1.5.2.2 matt sb = calloc(1, sizeof(*sb));
126 1.5.2.2 matt if (!sb)
127 1.5.2.2 matt err(EXIT_FAILURE, "!sb");
128 1.5.2.2 matt
129 1.5.2.2 matt sb->dict = prop_dictionary_create();
130 1.5.2.2 matt if (!sb->dict)
131 1.5.2.2 matt err(EXIT_FAILURE, "!sb->dict");
132 1.5.2.2 matt
133 1.5.2.2 matt sb->dict = prop_dictionary_copy(sensordict);
134 1.5.2.2 matt SLIST_INSERT_HEAD(&sensor_block_list, sb, sb_head);
135 1.5.2.2 matt config_dict_destroy(sensordict);
136 1.5.2.2 matt }
137 1.5.2.2 matt
138 1.5.2.2 matt /*
139 1.5.2.2 matt * Only used for debugging purposses.
140 1.5.2.2 matt */
141 1.5.2.2 matt void
142 1.5.2.2 matt config_dict_dump(prop_dictionary_t d)
143 1.5.2.2 matt {
144 1.5.2.2 matt char *buf;
145 1.5.2.2 matt
146 1.5.2.2 matt buf = prop_dictionary_externalize(d);
147 1.5.2.2 matt (void)printf("%s", buf);
148 1.5.2.2 matt free(buf);
149 1.5.2.2 matt }
150 1.5.2.2 matt
151 1.5.2.2 matt /*
152 1.5.2.2 matt * Returns the global dictionary.
153 1.5.2.2 matt */
154 1.5.2.2 matt prop_dictionary_t
155 1.5.2.2 matt config_dict_parsed(void)
156 1.5.2.2 matt {
157 1.5.2.2 matt return cfdict;
158 1.5.2.2 matt }
159 1.5.2.2 matt
160 1.5.2.2 matt /*
161 1.5.2.2 matt * Destroys all objects from a dictionary.
162 1.5.2.2 matt */
163 1.5.2.2 matt void
164 1.5.2.2 matt config_dict_destroy(prop_dictionary_t d)
165 1.5.2.2 matt {
166 1.5.2.2 matt prop_object_iterator_t iter;
167 1.5.2.2 matt prop_object_t obj;
168 1.5.2.2 matt
169 1.5.2.2 matt iter = prop_dictionary_iterator(d);
170 1.5.2.2 matt if (!iter)
171 1.5.2.2 matt err(EXIT_FAILURE, "!iter");
172 1.5.2.2 matt
173 1.5.2.2 matt while ((obj = prop_object_iterator_next(iter)) != NULL) {
174 1.5.2.2 matt prop_dictionary_remove(d,
175 1.5.2.2 matt prop_dictionary_keysym_cstring_nocopy(obj));
176 1.5.2.2 matt prop_object_iterator_reset(iter);
177 1.5.2.2 matt }
178 1.5.2.2 matt
179 1.5.2.2 matt prop_object_iterator_release(iter);
180 1.5.2.2 matt }
181 1.5.2.2 matt
182 1.5.2.2 matt /*
183 1.5.2.2 matt * Parses all properties on the device and adds the device
184 1.5.2.2 matt * into the singly linked list for devices and the global dictionary.
185 1.5.2.2 matt */
186 1.5.2.2 matt void
187 1.5.2.2 matt config_devblock_add(const char *key, prop_dictionary_t kdict)
188 1.5.2.2 matt {
189 1.5.2.2 matt struct device_block *db;
190 1.5.2.2 matt struct sensor_block *sb;
191 1.5.2.2 matt prop_array_t array;
192 1.5.2.2 matt prop_object_iterator_t iter;
193 1.5.2.2 matt prop_dictionary_t sdict;
194 1.5.2.2 matt prop_object_t obj;
195 1.5.2.2 matt prop_string_t lindex;
196 1.5.2.2 matt const char *sensor;
197 1.5.2.2 matt bool sensor_found = false;
198 1.5.2.2 matt
199 1.5.2.2 matt if (!key)
200 1.5.2.2 matt err(EXIT_FAILURE, "devblock !key");
201 1.5.2.2 matt
202 1.5.2.2 matt array = prop_dictionary_get(kdict, key);
203 1.5.2.2 matt if (!array)
204 1.5.2.2 matt config_errmsg(DEV_ERR, key, NULL);
205 1.5.2.2 matt
206 1.5.2.2 matt SLIST_FOREACH(sb, &sensor_block_list, sb_head) {
207 1.5.2.2 matt /* get the index object value from configuration */
208 1.5.2.2 matt lindex = prop_dictionary_get(sb->dict, "index");
209 1.5.2.2 matt sensor = prop_string_cstring_nocopy(lindex);
210 1.5.2.2 matt
211 1.5.2.2 matt iter = prop_array_iterator(array);
212 1.5.2.2 matt if (!iter)
213 1.5.2.2 matt err(EXIT_FAILURE, "prop_array_iterator devblock");
214 1.5.2.2 matt
215 1.5.2.2 matt /*
216 1.5.2.2 matt * Get the correct sensor's dictionary from kernel's
217 1.5.2.2 matt * dictionary.
218 1.5.2.2 matt */
219 1.5.2.2 matt while ((sdict = prop_object_iterator_next(iter)) != NULL) {
220 1.5.2.2 matt obj = prop_dictionary_get(sdict, "index");
221 1.5.2.2 matt if (prop_string_equals(lindex, obj)) {
222 1.5.2.2 matt sensor_found = true;
223 1.5.2.2 matt break;
224 1.5.2.2 matt }
225 1.5.2.2 matt }
226 1.5.2.2 matt
227 1.5.2.2 matt if (!sensor_found) {
228 1.5.2.2 matt prop_object_iterator_release(iter);
229 1.5.2.2 matt config_errmsg(SENSOR_ERR, sensor, key);
230 1.5.2.2 matt }
231 1.5.2.2 matt
232 1.5.2.2 matt config_devblock_check_sensorprops(sdict, sb->dict, sensor);
233 1.5.2.2 matt prop_object_iterator_release(iter);
234 1.5.2.2 matt }
235 1.5.2.2 matt
236 1.5.2.2 matt db = calloc(1, sizeof(*db));
237 1.5.2.2 matt if (!db)
238 1.5.2.2 matt err(EXIT_FAILURE, "calloc db");
239 1.5.2.2 matt
240 1.5.2.2 matt db->array = prop_array_create();
241 1.5.2.2 matt if (!db->array)
242 1.5.2.2 matt err(EXIT_FAILURE, "prop_array_create devblock");
243 1.5.2.2 matt
244 1.5.2.2 matt /*
245 1.5.2.2 matt * Add all dictionaries into the array.
246 1.5.2.2 matt */
247 1.5.2.2 matt SLIST_FOREACH(sb, &sensor_block_list, sb_head)
248 1.5.2.2 matt if (!prop_array_add(db->array, sb->dict))
249 1.5.2.2 matt err(EXIT_FAILURE, "prop_array_add");
250 1.5.2.2 matt
251 1.5.2.2 matt /*
252 1.5.2.2 matt * Add this device block into our list.
253 1.5.2.2 matt */
254 1.5.2.2 matt db->dev_key = strdup(key);
255 1.5.2.2 matt SLIST_INSERT_HEAD(&device_block_list, db, db_head);
256 1.5.2.2 matt
257 1.5.2.2 matt /*
258 1.5.2.2 matt * Remove all items in the list, but just decrement
259 1.5.2.2 matt * the refcnt in the dictionaries... they are in use.
260 1.5.2.2 matt */
261 1.5.2.2 matt while (!SLIST_EMPTY(&sensor_block_list)) {
262 1.5.2.2 matt sb = SLIST_FIRST(&sensor_block_list);
263 1.5.2.2 matt SLIST_REMOVE_HEAD(&sensor_block_list, sb_head);
264 1.5.2.2 matt prop_object_release(sb->dict);
265 1.5.2.2 matt free(sb);
266 1.5.2.2 matt }
267 1.5.2.2 matt
268 1.5.2.2 matt /*
269 1.5.2.2 matt * Now the properties on the array has been parsed,
270 1.5.2.2 matt * add it into the global dict.
271 1.5.2.2 matt */
272 1.5.2.2 matt if (!cfdict) {
273 1.5.2.2 matt cfdict = prop_dictionary_create();
274 1.5.2.2 matt if (!cfdict)
275 1.5.2.2 matt err(EXIT_FAILURE, "prop_dictionary_create cfdict");
276 1.5.2.2 matt }
277 1.5.2.2 matt
278 1.5.2.2 matt if (!prop_dictionary_set(cfdict, key, db->array))
279 1.5.2.2 matt err(EXIT_FAILURE, "prop_dictionary_set db->array");
280 1.5.2.2 matt
281 1.5.2.2 matt }
282 1.5.2.2 matt
283 1.5.2.2 matt /*
284 1.5.2.2 matt * Returns the dictionary that has 'sensor_key' in the 'dvname'
285 1.5.2.2 matt * array.
286 1.5.2.2 matt */
287 1.5.2.2 matt prop_dictionary_t
288 1.5.2.2 matt config_devblock_getdict(const char *dvname, const char *sensor_key)
289 1.5.2.2 matt {
290 1.5.2.2 matt struct device_block *db;
291 1.5.2.2 matt prop_object_iterator_t iter;
292 1.5.2.2 matt prop_object_t obj, obj2;
293 1.5.2.2 matt
294 1.5.2.2 matt if (!dvname || !sensor_key)
295 1.5.2.2 matt return NULL;
296 1.5.2.2 matt
297 1.5.2.2 matt SLIST_FOREACH(db, &device_block_list, db_head)
298 1.5.2.2 matt if (strcmp(db->dev_key, dvname) == 0)
299 1.5.2.2 matt break;
300 1.5.2.2 matt
301 1.5.2.2 matt if (!db)
302 1.5.2.2 matt return NULL;
303 1.5.2.2 matt
304 1.5.2.2 matt iter = prop_array_iterator(db->array);
305 1.5.2.2 matt if (!iter)
306 1.5.2.2 matt return NULL;
307 1.5.2.2 matt
308 1.5.2.2 matt while ((obj = prop_object_iterator_next(iter)) != NULL) {
309 1.5.2.2 matt obj2 = prop_dictionary_get(obj, "index");
310 1.5.2.2 matt if (prop_string_equals_cstring(obj2, sensor_key))
311 1.5.2.2 matt break;
312 1.5.2.2 matt }
313 1.5.2.2 matt
314 1.5.2.2 matt prop_object_iterator_release(iter);
315 1.5.2.2 matt return obj;
316 1.5.2.2 matt }
317 1.5.2.2 matt
318 1.5.2.2 matt /*
319 1.5.2.2 matt * Checks that all properties specified in the configuration file
320 1.5.2.2 matt * are valid and updates the objects with proper values.
321 1.5.2.2 matt */
322 1.5.2.2 matt void
323 1.5.2.2 matt config_devblock_check_sensorprops(prop_dictionary_t ksdict,
324 1.5.2.2 matt prop_dictionary_t csdict,
325 1.5.2.2 matt const char *sensor)
326 1.5.2.2 matt {
327 1.5.2.2 matt prop_object_t obj, obj2, obj3;
328 1.5.2.2 matt char *strval, *endptr;
329 1.5.2.2 matt double val;
330 1.5.2.2 matt
331 1.5.2.2 matt /*
332 1.5.2.2 matt * rfact property set?
333 1.5.2.2 matt */
334 1.5.2.2 matt obj = prop_dictionary_get(csdict, "rfact");
335 1.5.2.2 matt if (obj) {
336 1.5.2.2 matt obj2 = prop_dictionary_get(ksdict, "allow-rfact");
337 1.5.2.2 matt if (prop_bool_true(obj2)) {
338 1.5.2.2 matt strval = prop_string_cstring(obj);
339 1.5.2.2 matt val = strtod(strval, &endptr);
340 1.5.2.2 matt if (*endptr != '\0')
341 1.5.2.2 matt config_errmsg(VALUE_ERR, "rfact", sensor);
342 1.5.2.2 matt
343 1.5.2.2 matt if (!prop_dictionary_set_uint32(csdict, "rfact", val))
344 1.5.2.2 matt err(EXIT_FAILURE, "dict_set rfact");
345 1.5.2.2 matt } else
346 1.5.2.2 matt config_errmsg(PROP_ERR, "rfact", sensor);
347 1.5.2.2 matt }
348 1.5.2.2 matt
349 1.5.2.2 matt /*
350 1.5.2.2 matt * critical-capacity property set?
351 1.5.2.2 matt */
352 1.5.2.2 matt obj = prop_dictionary_get(csdict, "critical-capacity");
353 1.5.2.2 matt if (obj) {
354 1.5.2.2 matt obj2 = prop_dictionary_get(ksdict, "want-percentage");
355 1.5.2.2 matt obj3 = prop_dictionary_get(ksdict, "monitoring-supported");
356 1.5.2.2 matt if (prop_bool_true(obj2) && prop_bool_true(obj3)) {
357 1.5.2.2 matt strval = prop_string_cstring(obj);
358 1.5.2.2 matt val = strtod(strval, &endptr);
359 1.5.2.2 matt if ((*endptr != '\0') || (val < 0 || val > 100))
360 1.5.2.2 matt config_errmsg(VALUE_ERR,
361 1.5.2.2 matt "critical-capacity",
362 1.5.2.2 matt sensor);
363 1.5.2.2 matt /*
364 1.5.2.2 matt * Convert the value to a valid percentage.
365 1.5.2.2 matt */
366 1.5.2.2 matt obj = prop_dictionary_get(ksdict, "max-value");
367 1.5.2.2 matt val = (val / 100) * prop_number_integer_value(obj);
368 1.5.2.2 matt
369 1.5.2.2 matt if (!prop_dictionary_set_uint32(csdict,
370 1.5.2.2 matt "critical-capacity",
371 1.5.2.2 matt val))
372 1.5.2.2 matt err(EXIT_FAILURE, "dict_set critcap");
373 1.5.2.2 matt } else
374 1.5.2.2 matt config_errmsg(PROP_ERR,
375 1.5.2.2 matt "critical-capacity", sensor);
376 1.5.2.2 matt }
377 1.5.2.2 matt
378 1.5.2.2 matt /*
379 1.5.2.2 matt * critical-max property set?
380 1.5.2.2 matt */
381 1.5.2.2 matt obj = prop_dictionary_get(csdict, "critical-max");
382 1.5.2.2 matt if (obj) {
383 1.5.2.2 matt obj2 = prop_dictionary_get(ksdict, "monitoring-supported");
384 1.5.2.2 matt if (!prop_bool_true(obj2))
385 1.5.2.2 matt config_errmsg(PROP_ERR, "critical-max", sensor);
386 1.5.2.2 matt
387 1.5.2.2 matt strval = prop_string_cstring(obj);
388 1.5.2.2 matt obj = convert_val_to_pnumber(ksdict, "critical-max",
389 1.5.2.2 matt sensor, strval);
390 1.5.2.2 matt if (!prop_dictionary_set(csdict, "critical-max", obj))
391 1.5.2.2 matt err(EXIT_FAILURE, "prop_dict_set cmax");
392 1.5.2.2 matt }
393 1.5.2.2 matt
394 1.5.2.2 matt /*
395 1.5.2.2 matt * critical-min property set?
396 1.5.2.2 matt */
397 1.5.2.2 matt obj = prop_dictionary_get(csdict, "critical-min");
398 1.5.2.2 matt if (obj) {
399 1.5.2.2 matt obj2 = prop_dictionary_get(ksdict, "monitoring-supported");
400 1.5.2.2 matt if (!prop_bool_true(obj2))
401 1.5.2.2 matt config_errmsg(PROP_ERR, "critical-min", sensor);
402 1.5.2.2 matt
403 1.5.2.2 matt strval = prop_string_cstring(obj);
404 1.5.2.2 matt obj = convert_val_to_pnumber(ksdict, "critical-min",
405 1.5.2.2 matt sensor, strval);
406 1.5.2.2 matt if (!prop_dictionary_set(csdict, "critical-min", obj))
407 1.5.2.2 matt err(EXIT_FAILURE, "prop_dict_set cmin");
408 1.5.2.2 matt }
409 1.5.2.2 matt }
410 1.5.2.2 matt
411 1.5.2.2 matt /*
412 1.5.2.2 matt * Conversions for critical-max and critical-min properties.
413 1.5.2.2 matt */
414 1.5.2.2 matt prop_number_t
415 1.5.2.2 matt convert_val_to_pnumber(prop_dictionary_t kdict, const char *prop,
416 1.5.2.2 matt const char *sensor, char *value)
417 1.5.2.2 matt {
418 1.5.2.2 matt prop_object_t obj;
419 1.5.2.2 matt prop_number_t num;
420 1.5.2.2 matt double val, max, min;
421 1.5.2.2 matt char *strval, *tmp, *endptr;
422 1.5.2.2 matt bool celsius;
423 1.5.2.2 matt size_t len;
424 1.5.2.2 matt
425 1.5.2.2 matt val = max = min = 0;
426 1.5.2.2 matt
427 1.5.2.2 matt /*
428 1.5.2.2 matt * critical-max and critical-min are not allowed in
429 1.5.2.2 matt * battery sensors.
430 1.5.2.2 matt */
431 1.5.2.2 matt obj = prop_dictionary_get(kdict, "want-percentage");
432 1.5.2.2 matt if (prop_bool_true(obj))
433 1.5.2.2 matt config_errmsg(PROP_ERR, prop, sensor);
434 1.5.2.2 matt
435 1.5.2.2 matt /*
436 1.5.2.2 matt * Make the conversion for sensor's type.
437 1.5.2.2 matt */
438 1.5.2.2 matt obj = prop_dictionary_get(kdict, "type");
439 1.5.2.2 matt if (prop_string_equals_cstring(obj, "Temperature")) {
440 1.5.2.2 matt tmp = strchr(value, 'C');
441 1.5.2.2 matt if (tmp)
442 1.5.2.2 matt celsius = true;
443 1.5.2.2 matt else {
444 1.5.2.2 matt tmp = strchr(value, 'F');
445 1.5.2.2 matt if (!tmp)
446 1.5.2.2 matt config_errmsg(VALUE_ERR, prop, sensor);
447 1.5.2.2 matt
448 1.5.2.2 matt celsius = false;
449 1.5.2.2 matt }
450 1.5.2.2 matt
451 1.5.2.2 matt len = strlen(value);
452 1.5.2.2 matt strval = calloc(len, sizeof(*value));
453 1.5.2.2 matt if (!strval)
454 1.5.2.2 matt err(EXIT_FAILURE, "calloc");
455 1.5.2.2 matt
456 1.5.2.2 matt (void)strlcpy(strval, value, len);
457 1.5.2.2 matt val = strtod(strval, &endptr);
458 1.5.2.2 matt if (*endptr != '\0')
459 1.5.2.2 matt config_errmsg(VALUE_ERR, prop, sensor);
460 1.5.2.2 matt
461 1.5.2.2 matt /* convert to fahrenheit */
462 1.5.2.2 matt if (!celsius)
463 1.5.2.2 matt val = (val - 32.0) * (5.0 / 9.0);
464 1.5.2.2 matt
465 1.5.2.2 matt /* convert to microKelvin */
466 1.5.2.2 matt val = val * 1000000 + 273150000;
467 1.5.2.2 matt num = prop_number_create_unsigned_integer(val);
468 1.5.2.2 matt
469 1.5.2.2 matt } else if (prop_string_equals_cstring(obj, "Fan")) {
470 1.5.2.2 matt /* no conversion */
471 1.5.2.2 matt val = strtod(value, &endptr);
472 1.5.2.2 matt if (*endptr != '\0')
473 1.5.2.2 matt config_errmsg(VALUE_ERR, prop, sensor);
474 1.5.2.2 matt
475 1.5.2.2 matt num = prop_number_create_unsigned_integer(val);
476 1.5.2.2 matt
477 1.5.2.2 matt } else {
478 1.5.2.2 matt obj = prop_dictionary_get(kdict, "max-value");
479 1.5.2.2 matt if (obj)
480 1.5.2.2 matt max = prop_number_integer_value(obj);
481 1.5.2.2 matt
482 1.5.2.2 matt obj = prop_dictionary_get(kdict, "min-value");
483 1.5.2.2 matt if (obj)
484 1.5.2.2 matt min = prop_number_integer_value(obj);
485 1.5.2.2 matt
486 1.5.2.2 matt val = strtod(value, &endptr);
487 1.5.2.2 matt if (*endptr != '\0')
488 1.5.2.2 matt config_errmsg(VALUE_ERR, prop, sensor);
489 1.5.2.2 matt
490 1.5.2.2 matt /* convert to m[V,W,Ohms] again */
491 1.5.2.2 matt val *= 1000000.0;
492 1.5.2.2 matt
493 1.5.2.2 matt /*
494 1.5.2.2 matt * trying to set a value higher than the max
495 1.5.2.2 matt * assigned?
496 1.5.2.2 matt */
497 1.5.2.2 matt if (max && val > max)
498 1.5.2.2 matt config_errmsg(VALUE_ERR, prop, sensor);
499 1.5.2.2 matt
500 1.5.2.2 matt /*
501 1.5.2.2 matt * trying to set a value lower than the min
502 1.5.2.2 matt * assigned?
503 1.5.2.2 matt */
504 1.5.2.2 matt if (min && val < min)
505 1.5.2.2 matt config_errmsg(VALUE_ERR, prop, sensor);
506 1.5.2.2 matt
507 1.5.2.2 matt num = prop_number_create_integer(val);
508 1.5.2.2 matt }
509 1.5.2.2 matt
510 1.5.2.2 matt return num;
511 1.5.2.2 matt }
512