1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <winsock.h>
4 #pragma comment(lib, "ws2_32.lib")
5 #include <nb30.h>
6 #pragma comment(lib,"NETAPI32.LIB")
7 #include <string>
8 #include <iostream>
9 using namespace std;
10 #include "psapi.h"
11 #pragma comment(lib, "Psapi.lib")
12
13 #include "hardcard.h"
14 //------获取硬盘-----------------------------------------------------------------------
15
16 typedef BOOL(WINAPI *PGETDISKFREESPACEEX)(LPCSTR,
17 PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER);
18
19 BOOL MyGetDiskFreeSpaceEx(LPCSTR pszDrive, float *out)
20 {
21 PGETDISKFREESPACEEX pGetDiskFreeSpaceEx;
22 __int64 i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
23
24 DWORD dwSectPerClust,
25 dwBytesPerSect,
26 dwFreeClusters,
27 dwTotalClusters;
28
29 BOOL fResult;
30
31 pGetDiskFreeSpaceEx = (PGETDISKFREESPACEEX) GetProcAddress(
32 GetModuleHandle("kernel32.dll"),
33 "GetDiskFreeSpaceExA");
34
35 if (pGetDiskFreeSpaceEx)
36 {
37 // printf("\n1.%x\n",pGetDiskFreeSpaceEx);
38 fResult = pGetDiskFreeSpaceEx(pszDrive,
39 (PULARGE_INTEGER)&i64FreeBytesToCaller,
40 (PULARGE_INTEGER)&i64TotalBytes,
41 (PULARGE_INTEGER)&i64FreeBytes);
42
43 // Process GetDiskFreeSpaceEx results.
44 if (fResult)
45 {
46 // printf("剩余字节 = %I64d\n", i64FreeBytes);
47 // printf("总共字节 = %I64d\n", i64TotalBytes);
48 double f = i64FreeBytes, t = i64TotalBytes;
49 for (int i = 0; i < 3; ++i)
50 {
51 f /= 1024;
52 t /= 1024;
53 }
54 out[0] = f;
55 out[1] = t;
56 // printf("%0.2fG,", f);
57 // printf("%0.2fG", t);
58 }
59 /// printf("\n");
60 return fResult;
61 }
62 else
63 {
64 //printf("\n2.%x\n",pGetDiskFreeSpaceEx);
65 fResult = GetDiskFreeSpaceA(pszDrive,
66 &dwSectPerClust,
67 &dwBytesPerSect,
68 &dwFreeClusters,
69 &dwTotalClusters);
70
71 // Process GetDiskFreeSpace results.
72 if (fResult)
73 {
74 // printf("剩余字节 = I64d",dwFreeClusters*dwSectPerClust*dwBytesPerSect);
75 }
76 //printf("\n");
77 return fResult;
78 }
79 }
80 __int64 CompareFileTime(FILETIME time1, FILETIME time2)
81 {
82 __int64 a = time1.dwHighDateTime << 32 | time1.dwLowDateTime;
83 __int64 b = time2.dwHighDateTime << 32 | time2.dwLowDateTime;
84
85 return (b - a);
86 }
87 void getcpumemory(int *_cpu, int *_memory)
88 {
89 HANDLE hEvent;
90 BOOL res;
91
92 FILETIME preidleTime;
93 FILETIME prekernelTime;
94 FILETIME preuserTime;
95
96 FILETIME idleTime;
97 FILETIME kernelTime;
98 FILETIME userTime;
99 MEMORYSTATUS memo;
100
101 res = GetSystemTimes(&idleTime, &kernelTime, &userTime);
102
103 preidleTime = idleTime;
104 prekernelTime = kernelTime;
105 preuserTime = userTime;
106
107 hEvent = CreateEvent(NULL, FALSE, FALSE, NULL); // 初始值为 nonsignaled ，并且每次触发后自动设置为nonsignaled
108
109 //while (1)
110 {
111
112
113 WaitForSingleObject(hEvent, 500); //等待500毫秒
114 res = GetSystemTimes(&idleTime, &kernelTime, &userTime);
115
116 int idle = CompareFileTime(preidleTime, idleTime);
117 int kernel = CompareFileTime(prekernelTime, kernelTime);
118 int user = CompareFileTime(preuserTime, userTime);
119
120 int cpu = (kernel + user - idle) * 100 / (kernel + user);//（总的时间-空闲时间）/总的时间=占用cpu的时间就是使用率
121 int cpuidle = (idle) * 100 / (kernel + user);
122 GlobalMemoryStatus(&memo);
123 //system("cls");
124 cout << "CPU" << cpu << "%,";// << " CPU空闲率:" <<cpuidle << "%" <<endl;
125 cout << "内存" << memo.dwMemoryLoad << "%;";
126 preidleTime = idleTime;
127 prekernelTime = kernelTime;
128 preuserTime = userTime;
129 *_cpu = cpu;
130 *_memory = memo.dwMemoryLoad;
131 // Sleep(500);
132 }
133
134 }
1 #pragma once
2
3 BOOL MyGetDiskFreeSpaceEx(LPCSTR pszDrive, float *out);
4 void getcpumemory(int *_cpu, int *_memory);
