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gopsutil/sensors/darwin_arm_sensors.h

111 lines
3.8 KiB
Objective-C

// SPDX-FileCopyrightText: Copyright (c) 2016-2018, "freedom" Koan-Sin Tan
// SPDX-License-Identifier: BSD-3-Clause
// https://github.com/freedomtan/sensors/blob/master/sensors/sensors.m
#import <Foundation/Foundation.h>
#import <IOKit/hidsystem/IOHIDEventSystemClient.h>
#include <unistd.h>
typedef struct __IOHIDEvent *IOHIDEventRef;
typedef struct __IOHIDServiceClient *IOHIDServiceClientRef;
typedef double IOHIDFloat;
IOHIDEventSystemClientRef IOHIDEventSystemClientCreate(CFAllocatorRef allocator);
int IOHIDEventSystemClientSetMatching(IOHIDEventSystemClientRef client, CFDictionaryRef match);
IOHIDEventRef IOHIDServiceClientCopyEvent(IOHIDServiceClientRef, int64_t, int32_t, int64_t);
CFStringRef IOHIDServiceClientCopyProperty(IOHIDServiceClientRef service, CFStringRef property);
IOHIDFloat IOHIDEventGetFloatValue(IOHIDEventRef event, int32_t field);
NSDictionary *matching(int page, int usage) {
NSDictionary *dict = @{
@"PrimaryUsagePage" : [NSNumber numberWithInt:page],
@"PrimaryUsage" : [NSNumber numberWithInt:usage],
};
return dict;
}
NSArray *getProductNames(NSDictionary *sensors) {
IOHIDEventSystemClientRef system = IOHIDEventSystemClientCreate(kCFAllocatorDefault);
IOHIDEventSystemClientSetMatching(system, (__bridge CFDictionaryRef)sensors);
NSArray *matchingsrvs = (__bridge NSArray *)IOHIDEventSystemClientCopyServices(system);
long count = [matchingsrvs count];
NSMutableArray *array = [[NSMutableArray alloc] init];
for (int i = 0; i < count; i++) {
IOHIDServiceClientRef sc = (IOHIDServiceClientRef)matchingsrvs[i];
NSString *name = (NSString *)IOHIDServiceClientCopyProperty(sc, (__bridge CFStringRef)@"Product");
if (name) {
[array addObject:name];
} else {
[array addObject:@"noname"];
}
}
return array;
}
#define IOHIDEventFieldBase(type) (type << 16)
#define kIOHIDEventTypeTemperature 15
#define kIOHIDEventTypePower 25
NSArray *getThermalValues(NSDictionary *sensors) {
IOHIDEventSystemClientRef system = IOHIDEventSystemClientCreate(kCFAllocatorDefault);
IOHIDEventSystemClientSetMatching(system, (__bridge CFDictionaryRef)sensors);
NSArray *matchingsrvs = (__bridge NSArray *)IOHIDEventSystemClientCopyServices(system);
long count = [matchingsrvs count];
NSMutableArray *array = [[NSMutableArray alloc] init];
for (int i = 0; i < count; i++) {
IOHIDServiceClientRef sc = (IOHIDServiceClientRef)matchingsrvs[i];
IOHIDEventRef event = IOHIDServiceClientCopyEvent(sc, kIOHIDEventTypeTemperature, 0, 0);
NSNumber *value;
double temp = 0.0;
if (event != 0) {
temp = IOHIDEventGetFloatValue(event, IOHIDEventFieldBase(kIOHIDEventTypeTemperature));
}
value = [NSNumber numberWithDouble:temp];
[array addObject:value];
}
return array;
}
NSString *dumpNamesValues(NSArray *kvsN, NSArray *kvsV) {
NSMutableString *valueString = [[NSMutableString alloc] init];
int count = [kvsN count];
for (int i = 0; i < count; i++) {
NSString *output = [NSString stringWithFormat:@"%s:%lf\n", [kvsN[i] UTF8String], [kvsV[i] doubleValue]];
[valueString appendString:output];
}
return valueString;
}
char *getThermals() {
NSDictionary *thermalSensors = matching(0xff00, 5);
NSArray *thermalNames = getProductNames(thermalSensors);
NSArray *thermalValues = getThermalValues(thermalSensors);
NSString *result = dumpNamesValues(thermalNames, thermalValues);
char *finalStr = strdup([result UTF8String]);
CFRelease(thermalSensors);
CFRelease(thermalNames);
CFRelease(thermalValues);
CFRelease(result);
return finalStr;
}