2 * collectd - src/apple_sensors.c
3 * Copyright (C) 2006,2007 Florian octo Forster
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Florian octo Forster <octo at collectd.org>
36 #if HAVE_MACH_MACH_TYPES_H
37 # include <mach/mach_types.h>
39 #if HAVE_MACH_MACH_INIT_H
40 # include <mach/mach_init.h>
42 #if HAVE_MACH_MACH_ERROR_H
43 # include <mach/mach_error.h>
45 #if HAVE_MACH_MACH_PORT_H
46 # include <mach/mach_port.h>
48 #if HAVE_COREFOUNDATION_COREFOUNDATION_H
49 # include <CoreFoundation/CoreFoundation.h>
51 #if HAVE_IOKIT_IOKITLIB_H
52 # include <IOKit/IOKitLib.h>
54 #if HAVE_IOKIT_IOTYPES_H
55 # include <IOKit/IOTypes.h>
58 static mach_port_t io_master_port = MACH_PORT_NULL;
60 static int as_init (void)
64 if (io_master_port != MACH_PORT_NULL)
66 mach_port_deallocate (mach_task_self (),
68 io_master_port = MACH_PORT_NULL;
71 status = IOMasterPort (MACH_PORT_NULL, &io_master_port);
72 if (status != kIOReturnSuccess)
74 ERROR ("IOMasterPort failed: %s",
75 mach_error_string (status));
76 io_master_port = MACH_PORT_NULL;
83 static void as_submit (const char *type, const char *type_instance,
86 value_list_t vl = VALUE_LIST_INIT;
88 vl.values = &(value_t) { .gauge = val };
90 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
91 sstrncpy (vl.plugin, "apple_sensors", sizeof (vl.plugin));
92 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
93 sstrncpy (vl.type, type, sizeof (vl.type));
94 sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
96 plugin_dispatch_values (&vl);
99 static int as_read (void)
101 kern_return_t status;
102 io_iterator_t iterator;
104 CFMutableDictionaryRef prop_dict;
111 if (!io_master_port || (io_master_port == MACH_PORT_NULL))
114 status = IOServiceGetMatchingServices (io_master_port,
115 IOServiceNameMatching("IOHWSensor"),
117 if (status != kIOReturnSuccess)
119 ERROR ("IOServiceGetMatchingServices failed: %s",
120 mach_error_string (status));
124 while ((io_obj = IOIteratorNext (iterator)))
127 status = IORegistryEntryCreateCFProperties (io_obj,
131 if (status != kIOReturnSuccess)
133 DEBUG ("IORegistryEntryCreateCFProperties failed: %s",
134 mach_error_string (status));
138 /* Copy the sensor type. */
140 if (!CFDictionaryGetValueIfPresent (prop_dict,
144 if (CFGetTypeID (property) != CFStringGetTypeID ())
146 if (!CFStringGetCString (property,
148 kCFStringEncodingASCII))
150 type[sizeof (type) - 1] = '\0';
152 /* Copy the sensor location. This will be used as `instance'. */
154 if (!CFDictionaryGetValueIfPresent (prop_dict,
158 if (CFGetTypeID (property) != CFStringGetTypeID ())
160 if (!CFStringGetCString (property,
162 kCFStringEncodingASCII))
164 inst[sizeof (inst) - 1] = '\0';
165 for (int i = 0; i < 128; i++)
169 else if (isalnum (inst[i]))
170 inst[i] = (char) tolower (inst[i]);
175 /* Get the actual value. Some computation, based on the `type'
178 if (!CFDictionaryGetValueIfPresent (prop_dict,
179 CFSTR ("current-value"),
182 if (CFGetTypeID (property) != CFNumberGetTypeID ())
184 if (!CFNumberGetValue (property,
189 /* Found e.g. in the 1.5GHz PowerBooks */
190 if (strcmp (type, "temperature") == 0)
192 value_double = ((double) value_int) / 65536.0;
193 sstrncpy (type, "temperature", sizeof (type));
195 else if (strcmp (type, "temp") == 0)
197 value_double = ((double) value_int) / 10.0;
198 sstrncpy (type, "temperature", sizeof (type));
200 else if (strcmp (type, "fanspeed") == 0)
202 value_double = ((double) value_int) / 65536.0;
203 sstrncpy (type, "fanspeed", sizeof (type));
205 else if (strcmp (type, "voltage") == 0)
207 /* Leave this to the battery plugin. */
210 else if (strcmp (type, "adc") == 0)
212 value_double = ((double) value_int) / 10.0;
213 sstrncpy (type, "fanspeed", sizeof (type));
217 DEBUG ("apple_sensors: Read unknown sensor type: %s",
219 value_double = (double) value_int;
222 as_submit (type, inst, value_double);
224 CFRelease (prop_dict);
225 IOObjectRelease (io_obj);
226 } /* while (iterator) */
228 IOObjectRelease (iterator);
233 void module_register (void)
235 plugin_register_init ("apple_sensors", as_init);
236 plugin_register_read ("apple_sensors", as_read);
237 } /* void module_register */