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sysmon_envsys_util.c revision 1.4 
      1 /* $NetBSD: sysmon_envsys_util.c,v 1.4 2007/10/07 04:11:16 xtraeme Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2007 Juan Romero Pardines.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: sysmon_envsys_util.c,v 1.4 2007/10/07 04:11:16 xtraeme Exp $");
     30 
     31 #include <sys/param.h>
     32 #include <sys/types.h>
     33 #include <sys/conf.h>
     34 #include <sys/kernel.h>
     35 
     36 #include <dev/sysmon/sysmonvar.h>
     37 #include <dev/sysmon/sysmon_envsysvar.h>
     38 #include <prop/proplib.h>
     39 
     40 /*
     41  * Functions to create objects in a dictionary if they do not exist, or
     42  * for updating its value if value provided doesn't match with the value
     43  * in dictionary.
     44  */
     45 
     46 int
     47 sme_sensor_upbool(prop_dictionary_t dict, const char *key, bool val)
     48 {
     49 	prop_object_t obj;
     50 
     51 	KASSERT(dict != NULL);
     52 
     53 	obj = prop_dictionary_get(dict, key);
     54 	if (obj) {
     55 		if (prop_bool_true(obj) != val) {
     56 			if (!prop_dictionary_set_bool(dict, key, val)) {
     57 				DPRINTF(("%s: (up) set_bool %s:%d\n",
     58 				    __func__, key, val));
     59 				return EINVAL;
     60 			}
     61 			SENSOR_OBJUPDATED(key, val);
     62 		}
     63 	} else {
     64 		if (!prop_dictionary_set_bool(dict, key, val)) {
     65 			DPRINTF(("%s: (set) set_bool %s:%d\n",
     66 			    __func__, key, val));
     67 			return EINVAL;
     68 		}
     69 	}
     70 
     71 	return 0;
     72 }
     73 
     74 int
     75 sme_sensor_upint32(prop_dictionary_t dict, const char *key, int32_t val)
     76 {
     77 	prop_object_t obj;
     78 
     79 	KASSERT(dict != NULL);
     80 
     81 	obj = prop_dictionary_get(dict, key);
     82 	if (obj) {
     83 		if (!prop_number_equals_integer(obj, val)) {
     84 			if (!prop_dictionary_set_int32(dict, key, val)) {
     85 				DPRINTF(("%s: (up) set_int32 %s:%d\n",
     86 				    __func__, key, val));
     87 				return EINVAL;
     88 			}
     89 			SENSOR_OBJUPDATED(key, val);
     90 		}
     91 	} else {
     92 		if (!prop_dictionary_set_int32(dict, key, val)) {
     93 			DPRINTF(("%s: (set) set_int32 %s:%d\n",
     94 			    __func__, key, val));
     95 			return EINVAL;
     96 		}
     97 	}
     98 
     99 	return 0;
    100 }
    101 
    102 int
    103 sme_sensor_upuint32(prop_dictionary_t dict, const char *key, uint32_t val)
    104 {
    105 	prop_object_t obj;
    106 
    107 	KASSERT(dict != NULL);
    108 
    109 	obj = prop_dictionary_get(dict, key);
    110 	if (obj) {
    111 		if (!prop_number_equals_unsigned_integer(obj, val)) {
    112 			if (!prop_dictionary_set_uint32(dict, key, val)) {
    113 				DPRINTF(("%s: (up) set_uint32 %s:%d\n",
    114 				    __func__, key, val));
    115 				return EINVAL;
    116 			}
    117 			SENSOR_OBJUPDATED(key, val);
    118 		}
    119 	} else {
    120 		if (!prop_dictionary_set_uint32(dict, key, val)) {
    121 			DPRINTF(("%s: (set) set_uint32 %s:%d\n",
    122 			    __func__, key, val));
    123 			return EINVAL;
    124 		}
    125 	}
    126 
    127 	return 0;
    128 }
    129 
    130 int
    131 sme_sensor_upstring(prop_dictionary_t dict, const char *key, const char *str)
    132 {
    133 	prop_object_t obj;
    134 
    135 	KASSERT(dict != NULL);
    136 
    137 	obj = prop_dictionary_get(dict, key);
    138 	if (obj == NULL) {
    139 		if (!prop_dictionary_set_cstring(dict, key, str)) {
    140 			DPRINTF(("%s: (up) set_cstring %s:%s\n",
    141 			    __func__, key, str));
    142 			return EINVAL;
    143 		}
    144 	} else {
    145 		if (!prop_string_equals_cstring(obj, str)) {
    146 			if (!prop_dictionary_set_cstring(dict, key, str)) {
    147 				DPRINTF(("%s: (set) set_cstring %s:%s\n",
    148 				    __func__, key, str));
    149 				return EINVAL;
    150 			}
    151 		}
    152 	}
    153 
    154 	return 0;
    155 }
    156