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#include "diskio.h"
#include "common/apple/cf_helpers.h"
#include <IOKit/IOKitLib.h>
#include <IOKit/IOBSD.h>
#include <IOKit/storage/IOMedia.h>
#include <IOKit/storage/IOBlockStorageDriver.h>
#include <IOKit/storage/IOStorageDeviceCharacteristics.h>
#include <IOKit/storage/IOStorageProtocolCharacteristics.h>
const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options) {
FF_IOOBJECT_AUTO_RELEASE io_iterator_t iterator = 0;
if (IOServiceGetMatchingServices(MACH_PORT_NULL, IOServiceMatching(kIOBlockStorageDriverClass), &iterator) != KERN_SUCCESS) {
return "IOServiceGetMatchingServices() failed";
}
io_registry_entry_t registryEntry;
while ((registryEntry = IOIteratorNext(iterator)) != IO_OBJECT_NULL) {
FF_IOOBJECT_AUTO_RELEASE io_registry_entry_t entryDriver = registryEntry;
FF_IOOBJECT_AUTO_RELEASE io_registry_entry_t entryMedia = IO_OBJECT_NULL;
if (IORegistryEntryGetChildEntry(entryDriver, kIOServicePlane, &entryMedia) != KERN_SUCCESS) {
continue;
}
io_name_t deviceName;
if (IORegistryEntryGetName(entryMedia, deviceName) != KERN_SUCCESS) {
continue;
}
if (options->namePrefix.length && strncmp(deviceName, options->namePrefix.chars, options->namePrefix.length) != 0) {
continue;
}
FF_CFTYPE_AUTO_RELEASE CFDictionaryRef statistics = IORegistryEntryCreateCFProperty(entryDriver, CFSTR(kIOBlockStorageDriverStatisticsKey), kCFAllocatorDefault, kNilOptions);
if (!statistics) {
continue;
}
FFDiskIOResult* device = FF_LIST_ADD(FFDiskIOResult, *result);
ffStrbufInitS(&device->name, deviceName);
ffStrbufInit(&device->devPath);
ffCfDictGetInt64(statistics, CFSTR(kIOBlockStorageDriverStatisticsBytesReadKey), (int64_t*) &device->bytesRead);
ffCfDictGetInt64(statistics, CFSTR(kIOBlockStorageDriverStatisticsBytesWrittenKey), (int64_t*) &device->bytesWritten);
ffCfDictGetInt64(statistics, CFSTR(kIOBlockStorageDriverStatisticsReadsKey), (int64_t*) &device->readCount);
ffCfDictGetInt64(statistics, CFSTR(kIOBlockStorageDriverStatisticsWritesKey), (int64_t*) &device->writeCount);
FF_CFTYPE_AUTO_RELEASE CFStringRef bsdName = IORegistryEntryCreateCFProperty(entryMedia, CFSTR(kIOBSDNameKey), kCFAllocatorDefault, kNilOptions);
if (bsdName) {
ffCfStrGetString(bsdName, &device->devPath);
ffStrbufPrependS(&device->devPath, "/dev/");
}
}
return NULL;
}
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