码迷，mamicode.com
首页 > 编程语言 > 详细

Redis C语言操作封装

时间：2014-05-26 01:22:09      阅读：505      评论：0      收藏：0      [点我收藏+]

标签：class   blog   c   code   tar   ext   

?
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
#ifndef BOYAA_FOURLANDLORD_REDISCLASS_H_20130217
#define BOYAA_FOURLANDLORD_REDISCLASS_H_20130217
 
#include "hiredis.h"
#include <string>
#include <vector>
using namespace std;
 
typedef struct RedisConf
{
    char pszServer[32];
    int  nPort;
    RedisConf()
    {
        memset(this, 0, sizeof(RedisConf));
    }
}TRedisConf;
 
class CRedisClass
{      
    public:
        CRedisClass(string& host, int& port, unsigned short second = 5);
        ~CRedisClass();
        int ConnectRedis(const char* host, const unsigned short& port, const unsigned short second = 5);
        int ConnectRedis();
        int SetValue(const string &key, const string &value);
        string &GetValue(const string &key, string &value);
        bool DelValue(string &key);
        bool ExiKey( string &key);
        int Enqueue(const string &queue, const string &value);
        string &Dequeue(const string &queue, string &value);
        int Push(const string &stack, const string &value);
        string &Pop(const string &stack, string &value);
        bool IsActived();
        bool Expire(const string& key, unsigned int sec);
 
        bool ZRange(string& key, int start, int end, vector<string> & ret);
        int ZSize(const string& key);
        int ZAdd(const string& key, const int value, const string& menber);
        bool ZRemRangeByRank(const string& key, int min, int max);
        string ZScore(const string& key, const string& member, string& score);
        int ZRank(const string& key, const string& member);
        int ZRevRank(const string& key, const string& member);
        bool SetByte(const string & key, char * buf, int len);
        int GetByte(const string & key, char * buf, int len);  
        bool SAdd(const string & key, const string & menber);
        bool SRem(const string & key, const string & menber);
        bool SMembers(const string & key, vector<string> & ret);
 
        bool LPush(const string & key, const string & menber);
        bool RPush(const string & key, const string & menber);
        bool LPop(const string & key, string & value);
        bool RPop(const string & key, string & value);
        bool RRange(const string & key, vector<string> & ret);
        bool LRem(const string & key, const string & menber);
        int LLen(const string & key);  
    private:
        TRedisConf m_RedisConf;            //redis配置
        redisContext *m_Redis;
        redisReply *m_Reply;
        struct timeval timeout;
        string redisHost;
        unsigned short redisPort;
         
        void freeReply();
        bool ping();
        CRedisClass(const CRedisClass& /*rhs*/){}
         
};
 
#endif

　　

?
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
#include "RedisClass.h"
#include <string>
using namespace std;
 
CRedisClass::CRedisClass(string& host, int& port,unsigned short second/* = 5*/)
{
    m_Reply = NULL;
    redisHost = host;
    redisPort = port;
    timeout.tv_sec = second;
    timeout.tv_usec = 0;
    m_Redis = redisConnectWithTimeout(redisHost.c_str(), redisPort, timeout);
}
 
CRedisClass::~CRedisClass()
{
    if(m_Reply)
    {
        freeReply();
    }
    if(m_Redis)
    {
        redisFree(m_Redis);
    }
}
 
int CRedisClass::ConnectRedis(const char* host, const unsigned short& port, const unsigned short second/* = 5*/)
{
    if (m_Redis)
    {
       redisFree(m_Redis);
    }
     
    struct timeval tv = {second, 0};
     
    m_Redis = redisConnectWithTimeout(host, port, tv);
     
    return m_Redis ? 0 : 1;
 
}
 
int CRedisClass::ConnectRedis()
{
    if (m_Redis)
    {
       redisFree(m_Redis);
    }
     
    m_Redis = redisConnectWithTimeout(redisHost.c_str(), redisPort, timeout);
     
    return m_Redis ? 0 : 1;
 
}
 
int CRedisClass::SetValue(const string& key, const string& value)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "SET %s %s", key.c_str(), value.c_str()));
     
    int result = 1;
    if(m_Reply != NULL)
    {
        result = m_Reply ? m_Reply->integer : 1;
    }
    freeReply();
    return result;
 
}
 
string& CRedisClass::GetValue(const string& key, string& value)
{
     m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "GET %s", key.c_str()));
     if(m_Reply != NULL && NULL != m_Reply->str)
     {
        value = m_Reply->str;
     }
     freeReply();
     return value;
}
 
int CRedisClass::Enqueue(const string& queue, const string& value)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "rpush %s %s", queue.c_str(), value.c_str()));
 
    int result = 1;
    if(m_Reply != NULL)
    {
       result = m_Reply ? m_Reply->integer : 1;
    }
    freeReply();
 
    return result;
 
}
 
string& CRedisClass::Dequeue(const string& queue, string& value)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "lpop %s", queue.c_str()));
     
    if (m_Reply)
    {
        if (m_Reply->type == 1)
        {
            value = m_Reply->str;       
        }
 
        freeReply();
    }
    return value; 
}
 
int CRedisClass::Push(const string& stack, const string& value)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "rpush %s %s", stack.c_str(), value.c_str()));
 
    int result = 1;
    if(m_Reply != NULL)
    {
        result = m_Reply ? m_Reply->integer : 1;
    }
 
    freeReply();
 
    return result;
}
 
string& CRedisClass::Pop(const string& stack, string& value)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "rpop %s", stack.c_str()));
    if(m_Reply != NULL)
    {
        value = m_Reply->str;
    }
 
    freeReply();
 
    return value;
}
 
bool CRedisClass::DelValue(string& key)
{
    m_Reply = reinterpret_cast<redisReply*>(redisCommand(m_Redis, "DEL %s ", key.c_str()));
    if(m_Reply != NULL)
    {
       freeReply();
       return true;
    }
    return false;
}
 
bool CRedisClass::ExiKey(string& key)
{
    int rec = 0;
    m_Reply = reinterpret_cast<redisReply*>(redisCommand(m_Redis, "EXISTS %s", key.c_str()));
    if(m_Reply != NULL)
    {
       rec = m_Reply->integer;  
       freeReply();
       return rec==1 ? true : false;
    }
 
    return false;
}
 
bool CRedisClass::IsActived()
{
     return ping();
}
 
void CRedisClass::freeReply()
{
    if(m_Reply)
    {
        freeReplyObject(m_Reply);
        m_Reply = NULL;
    }
 
}
 
bool CRedisClass::ping()
{
    if (!m_Redis)
    {
        return false;
    }
     
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ping"));
 
    bool IsActviced = false;
 
    if (m_Reply != NULL)
    {
        IsActviced = strcmp("PONG", m_Reply->str) == 0 ? true : false;
 
        freeReply();
    }
 
    return IsActviced;
}
 
bool CRedisClass::ZRange(string& key, int start, int end, vector<string> & ret)
{
    m_Reply = reinterpret_cast<redisReply*>(redisCommand(m_Redis, "ZREVRANGE %s %d %d",
                key.c_str(), start, end));
    if(m_Reply != NULL)
    {
        for (int i = 0; i < m_Reply->elements; i++)
        {
            redisReply *r = m_Reply->element[i];
            ret.push_back(r->str);
        }
        freeReply();
        return true;
    }
    return false;
}
 
int CRedisClass::ZSize(const string& key)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ZCARD %s", key.c_str()));
 
    int result = 0;
    if(m_Reply != NULL)
    {
        result = m_Reply ? m_Reply->integer : 0;
        freeReply();
    }
    return result;
}
 
int CRedisClass::ZAdd(const string& key, const int value, const string& menber)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ZADD %s %d %s", key.c_str(), value, menber.c_str()));
 
    int result = 1;
    if(m_Reply != NULL)
    {
        result = m_Reply ? m_Reply->integer : 1;
        freeReply();
    }
    return result;
 
}
 
bool CRedisClass::ZRemRangeByRank(const string& key, int min, int max)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ZREMRANGEBYRANK %s %d %d", key.c_str(), min, max));
    int result = 1;
    if(m_Reply != NULL)
    {
        result = m_Reply ? m_Reply->integer : 1;
        freeReply();
    }
    return result;
}
string CRedisClass::ZScore(const string& key, const string& member, string& score)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ZSCORE %s %s", key.c_str(), member.c_str()));
    if(m_Reply != NULL)
    {
        if (NULL != m_Reply->str)
        {
            score = m_Reply->str;
        }
        freeReply();
    }
 
    return score;
}
 
int CRedisClass::ZRank(const string& key, const string& member)
{
    int ret = 1000000;
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ZREVRANK %s %s", key.c_str(), member.c_str()));
    if(m_Reply != NULL && 3 == m_Reply->type)
    {
        ret = m_Reply->integer;
        freeReply();
    }
 
    return ret;
}
int CRedisClass::ZRevRank(const string& key, const string& member)
{
    int ret = 1000000;
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "ZREVRANK %s %s", key.c_str(), member.c_str()));
    if(m_Reply != NULL && 3 == m_Reply->type)
    {
        ret = m_Reply->integer;
        freeReply();
    }
 
    return ret;
}
 
bool CRedisClass::Expire(const string& key, unsigned int sec)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "EXPIRE %s %d", key.c_str(), sec));
    bool result = false;
    if(m_Reply != NULL)
    {
        result = true;
        freeReply();
    }
    return result;
}
bool CRedisClass::SetByte(const string & key, char * buf, int len)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "SET %b %b", key.c_str(), key.length(), buf, len));
    int result = false;
    if(m_Reply != NULL)
    {
        result = true;
        freeReply();
    }
    return result;
}
 
int CRedisClass::GetByte(const string & key, char * buf, int len)
{
    if (NULL != buf)
    {
        m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "GET %s", key.c_str()));
        if (NULL != m_Reply && len >= m_Reply->len)
        {
            memcpy(buf, m_Reply->str, m_Reply->len);
            int iRet = m_Reply->len;
            freeReply();
            return iRet;
        }
    }
    return 0;
}
 
bool CRedisClass::SAdd(const string & key, const string & menber)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "SADD %s %s", key.c_str(), menber.c_str()));
 
    bool result = false;
    if(m_Reply != NULL)
    {
        if (1 == m_Reply->integer)
        {
            result = true;
        }
        freeReply();
    }
    return result;
}
 
bool CRedisClass::SRem(const string & key, const string & menber)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "SREM %s %s", key.c_str(), menber.c_str()));
 
    bool result = false;
    if(m_Reply != NULL)
    {
        if (1 == m_Reply->integer)
        {
            result = true;
        }
        freeReply();
    }
    return result;
}
 
bool CRedisClass::SMembers(const string & key, vector<string> & ret)
{
    m_Reply = reinterpret_cast<redisReply*>(redisCommand(m_Redis, "SMEMBERS %s", key.c_str()));
    if(m_Reply != NULL)
    {
        for (int i = 0; i < m_Reply->elements; i++)
        {
            redisReply *r = m_Reply->element[i];
            ret.push_back(r->str);
        }
        freeReply();
        return true;
    }
    return false;
}
 
bool CRedisClass::LPush(const string & key, const string & menber)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "LPUSH %s %s", key.c_str(), menber.c_str()));
 
    bool result = false;
    if(m_Reply != NULL)
    {
        if (0 < m_Reply->integer)
        {
            result = true;
        }
        freeReply();
    }
    return result;
}
 
bool CRedisClass::RPush(const string & key, const string & menber)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "RPUSH %s %s", key.c_str(), menber.c_str()));
 
    bool result = false;
    if(m_Reply != NULL)
    {
        if (0 < m_Reply->integer)
        {
            result = true;
        }
        freeReply();
    }
    return result;
}
 
bool CRedisClass::LPop(const string & key, string & value)
{
    value = "";
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "LPOP %s", key.c_str()));
    if(m_Reply != NULL && NULL != m_Reply->str)
    {
        value = m_Reply->str;
    }
 
    freeReply();
    if (value.empty())
    {
        return false;
    }
    return true;
}
 
bool CRedisClass::RPop(const string & key, string & value)
{
    value = "";
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "RPOP %s", key.c_str()));
    if(m_Reply != NULL && NULL != m_Reply->str)
    {
        value = m_Reply->str;
    }
 
    freeReply();
    if (value.empty())
    {
        return false;
    }
    return true;
}
 
bool CRedisClass::RRange(const string & key, vector<string> & ret)
{
    string value;
    while (RPop(key, value))
    {
        ret.push_back(value);
    }
 
    return true;
}
bool CRedisClass::LRem(const string & key, const string & menber)
{
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "LREM %s %s", key.c_str(), menber.c_str()));
 
    bool result = false;
    if(m_Reply != NULL)
    {
        if (1 == m_Reply->integer)
        {
            result = true;
        }
        freeReply();
    }
    return result;
}
 
int CRedisClass::LLen(const string & key)
{
    int ret = 0;
    m_Reply = static_cast<redisReply*>(redisCommand(m_Redis, "LLEN %s", key.c_str()));
 
    bool result = false;
    if(m_Reply != NULL)
    {
        ret = m_Reply->integer;
        freeReply();
    }
    return ret;
}

　　

Redis C语言操作封装,布布扣,bubuko.com

Redis C语言操作封装

标签：class   blog   c   code   tar   ext   

原文地址：http://www.cnblogs.com/binmaizhai/p/3749849.html
踩
(0)
赞
(0)
   
举报
评论 一句话评论（0）
登录后才能评论！
分享档案
更多>
2021年07月29日 (22)
2021年07月28日 (40)
2021年07月27日 (32)
2021年07月26日 (79)
2021年07月23日 (29)
2021年07月22日 (30)
2021年07月21日 (42)
2021年07月20日 (16)
2021年07月19日 (90)
2021年07月16日 (35)
周排行
mamicode.com排行更多图片
更多
友情链接
兰亭集智   国之画   百度统计   站长统计   阿里云   chrome插件   新版天听网
关于我们 - 联系我们 - 留言反馈
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码！