使用hiredis

#include <hiredis/hiredis.h>
  2 #include <iostream>
  3 #include <string>
  4 #include <stdio.h>
  5 #include <stdlib.h>
  6 #include <string.h>
  7 #include <unistd.h>
  8 
  9 bool    do_string(redisContext*& pConn, const char* cmd)
 10 {
 11 
 12         redisReply* res = (redisReply*)redisCommand(pConn, cmd);
 13 
 14         if(NULL == res )
 15         {
 16                 std::cout<<"Execut cmd failure
";
 17                 return false;
 18         }
 19 
 20         if(res->type == REDIS_REPLY_ERROR)
 21         {
 22                 std::cout<<"Failed to execute cmd: "<<cmd<<"  error:"<<res->str<<"
";
 23                 freeReplyObject(res);
 24                 return false;
 25         }
 26 
 27         freeReplyObject(res);
 28         std::cout<<"Succed to execute cmd:"<<cmd<<"
";
 29 
 30 
 31         return true;
 32 }
 33 void    test_string(redisContext*& pConn)
 35 {
 36         const char* cmd[]={
 37                 "set gxq 2.12",
 38                 "strlen gxq",
 39                 "gets gxq"};
 40 
 41         for(size_t i=0; i<3; ++i)
 42         {
 43                 do_string(pConn, cmd[i]);
 44                 usleep(20*1000);
 45         }
 46 
 47 }
 48 
 49 int     main(int argc, char** argv)
 50 {
 51         struct timeval timeout={2,0};//
 52 
 53         redisContext* pRedisContext = (redisContext*)redisConnectWithTimeout("127.0.0.1",6379,timeout);
 54 
 55         if (NULL == pRedisContext || pRedisContext->err)
 56         {
 57                 if(pRedisContext)
 58                         std::cout<<"connect error:"<<pRedisContext->errstr<<"
";
 59                 else
 60                         std::cout<<"connect error: can't allcoate redis context."<<"
";
 61 
 62                 return -1;
 63         }
 64 
 65 
 66         test_string(pRedisContext);
 67 
 68         redisFree(pRedisContext);
 69 
 70         return 0;
 71 
 72 }