First version of a battery plugin for Mac OS X. It compiles, but doesn't work. Yet.

diff --git a/src/battery.c b/src/battery.c
index 201280c..61379e0 100644 (file)
--- a/src/battery.c
+++ b/src/battery.c
@@ -23,11 +23,37 @@
 #include "collectd.h"
 #include "common.h"
 #include "plugin.h"
+#include "utils_debug.h"
 
 #define MODULE_NAME "battery"
 #define BUFSIZE 512
 
-#if defined(KERNEL_LINUX)
+#if HAVE_MACH_MACH_TYPES_H
+#  include <mach/mach_types.h>
+#endif
+#if HAVE_MACH_MACH_INIT_H
+#  include <mach/mach_init.h>
+#endif
+#if HAVE_MACH_MACH_ERROR_H
+#  include <mach/mach_error.h>
+#endif
+#if HAVE_COREFOUNDATION_COREFOUNDATION_H
+#  include <CoreFoundation/CoreFoundation.h>
+#endif
+#if HAVE_IOKIT_IOKITLIB_H
+#  include <IOKit/IOKitLib.h>
+#endif
+#if HAVE_IOKIT_IOTYPES_H
+#  include <IOKit/IOTypes.h>
+#endif
+#if HAVE_IOKIT_PS_IOPOWERSOURCES_H
+#  include <IOKit/ps/IOPowerSources.h>
+#endif
+#if HAVE_IOKIT_PS_IOPSKEYS_H
+#  include <IOKit/ps/IOPSKeys.h>
+#endif
+
+#if HAVE_IOKIT_PS_IOPOWERSOURCES_H || KERNEL_LINUX
 # define BATTERY_HAVE_READ 1
 #else
 # define BATTERY_HAVE_READ 0
@@ -60,14 +86,22 @@ static char *ds_def_charge[] =
 };
 static int ds_num_charge = 1;
 
-#if BATTERY_HAVE_READ
+#if HAVE_IOKIT_PS_IOPOWERSOURCES_H
+       /* No global variables */
+/* #endif HAVE_IOKIT_PS_IOPOWERSOURCES_H */
+
+#elif KERNEL_LINUX
 static int   battery_pmu_num = 0;
 static char *battery_pmu_file = "/proc/pmu/battery_%i";
-#endif
+#endif /* KERNEL_LINUX */
 
 static void battery_init (void)
 {
-#if BATTERY_HAVE_READ
+#if HAVE_IOKIT_PS_IOPOWERSOURCES_H
+       /* No init neccessary */
+/* #endif HAVE_IOKIT_PS_IOPOWERSOURCES_H */
+
+#elif KERNEL_LINUX
        int len;
        char filename[BUFSIZE];
 
@@ -81,7 +115,7 @@ static void battery_init (void)
                if (access (filename, R_OK))
                        break;
        }
-#endif
+#endif /* KERNEL_LINUX */
 
        return;
 }
@@ -170,7 +204,134 @@ static void battery_submit (char *inst, double current, double voltage, double c
 
 static void battery_read (void)
 {
-#ifdef KERNEL_LINUX
+#if HAVE_IOKIT_PS_IOPOWERSOURCES_H
+       CFTypeRef       ps_raw;
+       CFArrayRef      ps_array;
+       int             ps_array_len;
+       CFDictionaryRef ps_dict;
+       CFTypeRef       ps_obj;
+       CFTypeRef       ps_value;
+
+       int i;
+
+       char   name[128];
+       double charge  = INVALID_VALUE;
+       double current = INVALID_VALUE;
+       double voltage = INVALID_VALUE;
+
+       ps_raw       = IOPSCopyPowerSourcesInfo ();
+       ps_array     = IOPSCopyPowerSourcesList (ps_raw);
+       ps_array_len = CFArrayGetCount (ps_array);
+
+       DBG ("ps_array_len == %i", ps_array_len);
+
+       for (i = 0; i < ps_array_len; i++)
+       {
+               ps_obj  = CFArrayGetValueAtIndex (ps_array, i);
+               ps_dict = IOPSGetPowerSourceDescription (ps_raw, ps_obj);
+
+               if (CFGetTypeID (ps_dict) != CFDictionaryGetTypeID ())
+               {
+                       DBG ("IOPSGetPowerSourceDescription did not return a CFDictionaryRef");
+                       continue;
+               }
+
+               if (ps_dict != NULL)
+               {
+                       /* Get the current capacity/charge */
+                       ps_value = NULL;
+                       charge   = INVALID_VALUE;
+                       if (CFDictionaryGetValueIfPresent (ps_dict,
+                                               CFSTR (kIOPSCurrentCapacityKey),
+                                               &ps_value))
+                       {
+                               if (CFGetTypeID (ps_value) != CFNumberGetTypeID ())
+                                       CFNumberGetValue (ps_value,
+                                                       kCFNumberDoubleType,
+                                                       &charge);
+                               else
+                                       DBG ("kIOPSCurrentCapacityKey: Not a CFNumber");
+
+                               DBG ("charge = %f", charge);
+                       }
+                       else
+                               DBG ("`%s' does not exist", kIOPSCurrentCapacityKey);
+
+                       /* Get the current */
+                       ps_value = NULL;
+                       current  = INVALID_VALUE;
+                       if (CFDictionaryGetValueIfPresent (ps_dict,
+                                               CFSTR (kIOPSCurrentKey),
+                                               &ps_value))
+                       {
+                               if (CFGetTypeID (ps_value) != CFNumberGetTypeID ())
+                                       CFNumberGetValue (ps_value,
+                                                       kCFNumberDoubleType,
+                                                       &current);
+                               else
+                                       DBG ("kIOPSCurrentKey: Not a CFNumber");
+                               DBG ("current = %f", current);
+                       }
+                       else
+                               DBG ("`%s' does not exist", kIOPSCurrentKey);
+
+                       /* Get the voltage */
+                       ps_value = NULL;
+                       voltage  = INVALID_VALUE;
+                       if (CFDictionaryGetValueIfPresent (ps_dict,
+                                               CFSTR (kIOPSVoltageKey),
+                                               &ps_value))
+                       {
+                               if (CFGetTypeID (ps_value) != CFNumberGetTypeID ())
+                                       CFNumberGetValue (ps_value,
+                                                       kCFNumberDoubleType,
+                                                       &voltage);
+                               else
+                                       DBG ("kIOPSVoltageKey: Not a CFNumber");
+                               DBG ("voltage = %f", voltage);
+                       }
+                       else
+                               DBG ("`%s' does not exist", kIOPSVoltageKey);
+
+                       /* Get the name of the device.. */
+                       ps_value = NULL;
+                       if (CFDictionaryGetValueIfPresent (ps_dict,
+                                               CFSTR (kIOPSNameKey),
+                                               &ps_value))
+                       {
+                               if (CFGetTypeID (ps_value) != CFStringGetTypeID ())
+                                       if (!CFStringGetCString (ps_value,
+                                                               name, 128,
+                                                               kCFStringEncodingASCII))
+                                               continue;
+                               else
+                                       DBG ("kIOPSNameKey: Not a CFStringGetTypeID");
+                               DBG ("Original string: `%s'", name);
+                       }
+                       else
+                       {
+                               strncpy (name, "unknown", 128);
+                       }
+                       name[127] = '\0';
+                       for (i = 0; i < 128; i++)
+                       {
+                               if (name[i] == '\0')
+                                       break;
+                               else if (isalnum (name[i]))
+                                       name[i] = (char) tolower (name[i]);
+                               else
+                                       name[i] = '_';
+                       }
+
+                       battery_submit (name, current, voltage, charge);
+               }
+       }
+
+       CFRelease(ps_array);
+       CFRelease(ps_raw);
+/* #endif HAVE_IOKIT_PS_IOPOWERSOURCES_H */
+
+#elif KERNEL_LINUX
        FILE *fh;
        char buffer[BUFSIZE];
        char filename[BUFSIZE];