solaris-fixes branch: Applied the swap-patch by Christophe Kalt.
[collectd.git] / src / disk.c
index 992c2d2..6aefbc7 100644 (file)
@@ -1,6 +1,6 @@
 /**
  * collectd - src/disk.c
- * Copyright (C) 2005  Florian octo Forster
+ * Copyright (C) 2005,2006  Florian octo Forster
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
 #include "collectd.h"
 #include "common.h"
 #include "plugin.h"
+#include "utils_debug.h"
 
 #define MODULE_NAME "disk"
 
-#if defined(KERNEL_LINUX) || defined(HAVE_LIBKSTAT)
+#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_MACH_MACH_PORT_H
+#  include <mach/mach_port.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_STORAGE_IOBLOCKSTORAGEDRIVER_H
+#  include <IOKit/storage/IOBlockStorageDriver.h>
+#endif
+#if HAVE_IOKIT_IOBSD_H
+#  include <IOKit/IOBSD.h>
+#endif
+
+#if HAVE_IOKIT_IOKITLIB_H || KERNEL_LINUX || HAVE_LIBKSTAT
 # define DISK_HAVE_READ 1
 #else
 # define DISK_HAVE_READ 0
@@ -60,7 +89,11 @@ static char *part_ds_def[] =
 };
 static int part_ds_num = 4;
 
-#ifdef KERNEL_LINUX
+#if HAVE_IOKIT_IOKITLIB_H
+static mach_port_t io_master_port = MACH_PORT_NULL;
+/* #endif HAVE_IOKIT_IOKITLIB_H */
+
+#elif KERNEL_LINUX
 typedef struct diskstats
 {
        char *name;
@@ -78,9 +111,9 @@ typedef struct diskstats
 } diskstats_t;
 
 static diskstats_t *disklist;
-/* #endif defined(KERNEL_LINUX) */
+/* #endif KERNEL_LINUX */
 
-#elif defined(HAVE_LIBKSTAT)
+#elif HAVE_LIBKSTAT
 #define MAX_NUMDISK 256
 extern kstat_ctl_t *kc;
 static kstat_t *ksp[MAX_NUMDISK];
@@ -89,7 +122,31 @@ static int numdisk = 0;
 
 static void disk_init (void)
 {
-#ifdef HAVE_LIBKSTAT
+#if HAVE_IOKIT_IOKITLIB_H
+       kern_return_t status;
+       
+       if (io_master_port != MACH_PORT_NULL)
+       {
+               mach_port_deallocate (mach_task_self (),
+                               io_master_port);
+               io_master_port = MACH_PORT_NULL;
+       }
+
+       status = IOMasterPort (MACH_PORT_NULL, &io_master_port);
+       if (status != kIOReturnSuccess)
+       {
+               syslog (LOG_ERR, "IOMasterPort failed: %s",
+                               mach_error_string (status));
+               io_master_port = MACH_PORT_NULL;
+               return;
+       }
+/* #endif HAVE_IOKIT_IOKITLIB_H */
+
+#elif KERNEL_LINUX
+       /* No init needed */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
        kstat_t *ksp_chain;
 
        numdisk = 0;
@@ -108,7 +165,7 @@ static void disk_init (void)
                        continue;
                ksp[numdisk++] = ksp_chain;
        }
-#endif
+#endif /* HAVE_LIBKSTAT */
 
        return;
 }
@@ -165,6 +222,7 @@ static void disk_submit (char *disk_name,
        plugin_submit (MODULE_NAME, disk_name, buf);
 }
 
+#if KERNEL_LINUX || HAVE_LIBKSTAT
 static void partition_submit (char *part_name,
                unsigned long long read_count,
                unsigned long long read_bytes,
@@ -181,11 +239,187 @@ static void partition_submit (char *part_name,
 
        plugin_submit ("partition", part_name, buf);
 }
+#endif /* KERNEL_LINUX || HAVE_LIBKSTAT */
 #undef BUFSIZE
 
+#if HAVE_IOKIT_IOKITLIB_H
+static signed long long dict_get_value (CFDictionaryRef dict, const char *key)
+{
+       signed long long val_int;
+       CFNumberRef      val_obj;
+       CFStringRef      key_obj;
+
+       /* `key_obj' needs to be released. */
+       key_obj = CFStringCreateWithCString (kCFAllocatorDefault, key,
+                       kCFStringEncodingASCII);
+       if (key_obj == NULL)
+       {
+               DBG ("CFStringCreateWithCString (%s) failed.", key);
+               return (-1LL);
+       }
+       
+       /* get => we don't need to release (== free) the object */
+       val_obj = (CFNumberRef) CFDictionaryGetValue (dict, key_obj);
+
+       CFRelease (key_obj);
+
+       if (val_obj == NULL)
+       {
+               DBG ("CFDictionaryGetValue (%s) failed.", key);
+               return (-1LL);
+       }
+
+       if (!CFNumberGetValue (val_obj, kCFNumberSInt64Type, &val_int))
+       {
+               DBG ("CFNumberGetValue (%s) failed.", key);
+               return (-1LL);
+       }
+
+       return (val_int);
+}
+#endif /* HAVE_IOKIT_IOKITLIB_H */
+
 static void disk_read (void)
 {
-#ifdef KERNEL_LINUX
+#if HAVE_IOKIT_IOKITLIB_H
+       io_registry_entry_t     disk;
+       io_registry_entry_t     disk_child;
+       io_iterator_t           disk_list;
+       CFDictionaryRef         props_dict;
+       CFDictionaryRef         stats_dict;
+       CFDictionaryRef         child_dict;
+       kern_return_t           status;
+
+       signed long long read_ops;
+       signed long long read_byt;
+       signed long long read_tme;
+       signed long long write_ops;
+       signed long long write_byt;
+       signed long long write_tme;
+
+       int  disk_major;
+       int  disk_minor;
+       char disk_name[64];
+
+       /* Get the list of all disk objects. */
+       if (IOServiceGetMatchingServices (io_master_port,
+                               IOServiceMatching (kIOBlockStorageDriverClass),
+                               &disk_list) != kIOReturnSuccess)
+       {
+               syslog (LOG_ERR, "disk-plugin: IOServiceGetMatchingServices failed.");
+               return;
+       }
+
+       while ((disk = IOIteratorNext (disk_list)) != 0)
+       {
+               props_dict = NULL;
+               stats_dict = NULL;
+               child_dict = NULL;
+
+               /* `disk_child' must be released */
+               if ((status = IORegistryEntryGetChildEntry (disk, kIOServicePlane, &disk_child))
+                               != kIOReturnSuccess)
+               {
+                       /* This fails for example for DVD/CD drives.. */
+                       DBG ("IORegistryEntryGetChildEntry (disk) failed: 0x%08x", status);
+                       IOObjectRelease (disk);
+                       continue;
+               }
+
+               /* We create `props_dict' => we need to release it later */
+               if (IORegistryEntryCreateCFProperties (disk,
+                                       (CFMutableDictionaryRef *) &props_dict,
+                                       kCFAllocatorDefault,
+                                       kNilOptions)
+                               != kIOReturnSuccess)
+               {
+                       syslog (LOG_ERR, "disk-plugin: IORegistryEntryCreateCFProperties failed.");
+                       IOObjectRelease (disk_child);
+                       IOObjectRelease (disk);
+                       continue;
+               }
+
+               if (props_dict == NULL)
+               {
+                       DBG ("IORegistryEntryCreateCFProperties (disk) failed.");
+                       IOObjectRelease (disk_child);
+                       IOObjectRelease (disk);
+                       continue;
+               }
+
+               stats_dict = (CFDictionaryRef) CFDictionaryGetValue (props_dict,
+                               CFSTR (kIOBlockStorageDriverStatisticsKey));
+
+               if (stats_dict == NULL)
+               {
+                       DBG ("CFDictionaryGetValue (%s) failed.",
+                                       kIOBlockStorageDriverStatisticsKey);
+                       CFRelease (props_dict);
+                       IOObjectRelease (disk_child);
+                       IOObjectRelease (disk);
+                       continue;
+               }
+
+               if (IORegistryEntryCreateCFProperties (disk_child,
+                                       (CFMutableDictionaryRef *) &child_dict,
+                                       kCFAllocatorDefault,
+                                       kNilOptions)
+                               != kIOReturnSuccess)
+               {
+                       DBG ("IORegistryEntryCreateCFProperties (disk_child) failed.");
+                       IOObjectRelease (disk_child);
+                       CFRelease (props_dict);
+                       IOObjectRelease (disk);
+                       continue;
+               }
+
+               disk_major = (int) dict_get_value (child_dict,
+                               kIOBSDMajorKey);
+               disk_minor = (int) dict_get_value (child_dict,
+                               kIOBSDMinorKey);
+               read_ops  = dict_get_value (stats_dict,
+                               kIOBlockStorageDriverStatisticsReadsKey);
+               read_byt  = dict_get_value (stats_dict,
+                               kIOBlockStorageDriverStatisticsBytesReadKey);
+               read_tme  = dict_get_value (stats_dict,
+                               kIOBlockStorageDriverStatisticsTotalReadTimeKey);
+               write_ops = dict_get_value (stats_dict,
+                               kIOBlockStorageDriverStatisticsWritesKey);
+               write_byt = dict_get_value (stats_dict,
+                               kIOBlockStorageDriverStatisticsBytesWrittenKey);
+               write_tme = dict_get_value (stats_dict,
+                               kIOBlockStorageDriverStatisticsTotalWriteTimeKey);
+
+               if (snprintf (disk_name, 64, "%i-%i", disk_major, disk_minor) >= 64)
+               {
+                       DBG ("snprintf (major, minor) failed.");
+                       CFRelease (child_dict);
+                       IOObjectRelease (disk_child);
+                       CFRelease (props_dict);
+                       IOObjectRelease (disk);
+                       continue;
+               }
+               DBG ("disk_name = %s", disk_name);
+
+               if ((read_ops != -1LL)
+                               || (read_byt != -1LL)
+                               || (read_tme != -1LL)
+                               || (write_ops != -1LL)
+                               || (write_byt != -1LL)
+                               || (write_tme != -1LL))
+                       disk_submit (disk_name,
+                                       read_ops, 0ULL, read_byt, read_tme,
+                                       write_ops, 0ULL, write_byt, write_tme);
+
+               CFRelease (child_dict);
+               IOObjectRelease (disk_child);
+               CFRelease (props_dict);
+               IOObjectRelease (disk);
+       }
+       IOObjectRelease (disk_list);
+/* #endif HAVE_IOKIT_IOKITLIB_H */
+
+#elif KERNEL_LINUX
        FILE *fh;
        char buffer[1024];
        char disk_name[128];
@@ -321,7 +555,7 @@ static void disk_read (void)
        fclose (fh);
 /* #endif defined(KERNEL_LINUX) */
 
-#elif defined(HAVE_LIBKSTAT)
+#elif HAVE_LIBKSTAT
        static kstat_io_t kio;
        int i;