forked from RibbonServyou/TCPTestTool
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathoomsFunc.cpp
132 lines (119 loc) · 4.7 KB
/
oomsFunc.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#include "stdafx.h"
#include "oomsFunc.h"
unsigned short crc16_ccitt(unsigned char *buf, unsigned short len)
{
/* CRC16 implementation acording to CCITT standards */
static const unsigned short crc16tab[256] =
{
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};
unsigned short counter;
unsigned short crc = 0;
for (counter = 0; counter < len; counter++)
{
crc = (crc << 8) ^ crc16tab[((crc >> 8) ^ * (unsigned char *)buf++) & 0x00FF];
}
return crc;
}
std::string BuildPacket(const char* data, int datalen, BYTE cmd)
{
std::string res;
res.resize(datalen + CONST_LEN);
res[0] = HEAD;
res[1] = cmd;
short seq = 0;
memcpy((char*)res.data() + 2, (void*)&seq, 2);
int nlen = htonl(datalen);
memcpy((char*)res.data() + 4, (void*)&nlen, 4);
memcpy((char*)res.data() + 8, data, datalen);
unsigned short nCRC = crc16_ccitt((unsigned char*)&res[0], datalen + 8);
nCRC = htons(nCRC);
memcpy((char*)res.data() + datalen + 8, (void*)&nCRC, 2);
res[datalen + CONST_LEN - 1] = TAIL_2;
res[datalen + CONST_LEN - 2] = TAIL_1;
return res;
}
std::string Convert(const char* strIn, int sourceCodepage, int targetCodepage)
{
int len = lstrlenA(strIn);
int unicodeLen = MultiByteToWideChar(sourceCodepage, 0, strIn, -1, NULL, 0);
wchar_t* pUnicode;
pUnicode = new wchar_t[unicodeLen + 1];
memset(pUnicode, 0, (unicodeLen + 1) * sizeof(wchar_t));
MultiByteToWideChar(sourceCodepage, 0, strIn, -1, (LPWSTR)pUnicode, unicodeLen);
BYTE * pTargetData = NULL;
int targetLen = WideCharToMultiByte(targetCodepage, 0, (LPWSTR)pUnicode, -1, (char *)pTargetData, 0, NULL, NULL);
pTargetData = new BYTE[targetLen + 1];
memset(pTargetData, 0, targetLen + 1);
WideCharToMultiByte(targetCodepage, 0, (LPWSTR)pUnicode, -1, (char *)pTargetData, targetLen, NULL, NULL);
std::string res = (char*)pTargetData;
delete pUnicode;
delete pTargetData;
return res;
}
bool CheckPacket(const char* packet, int packetlen)
{
if (packetlen <= CONST_LEN)
{
return false;
}
if (packet[0] != HEAD)
{
return false;
}
if (packet[packetlen - 1] != TAIL_2 && packet[packetlen - 2] != TAIL_1)
{
return false;
}
short nCRC = crc16_ccitt((unsigned char*)packet, packetlen - 4);
short nTemp = 0;
memcpy((void*)&nTemp, (void*)&packet[packetlen - 4], 2);
nTemp = ntohs(nTemp);
if (nTemp != nCRC)
{
return false;
}
return true;
}
std::string ExtractPacket(const char* packet, int packetlen)
{
//Êý¾Ý³¤¶È
int length = 0;
memcpy((void*)&length, (void*)&packet[4], 4);
length = ntohl(length);
std::string res;
res.resize(length);
memcpy((char*)res.data(), (void *)&packet[8], length);
return res;
}