libmemcached用法

最新推荐文章于 2025-06-12 13:55:03 发布

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#memcached #server #delete #list #string #include

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本文提供了一个使用C++实现的Memcached客户端操作示例，包括连接服务器、存储数据、获取数据及删除数据等基本功能。

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#include <iostream>
#include <string>
#include <libmemcached/memcached.h>

using namespace std;

int main(int argc,char *argv[])
{
    //connect server
    memcached_st *memc;
    memcached_return rc;
    memcached_server_st *server;
    time_t expiration;
    uint32_t flags;

    memc = memcached_create(NULL);
    server = memcached_server_list_append(NULL,"127.0.0.1",11211,&rc);
server = memcached_server_list_append(server,"192.168.116.1",11211,&rc);
    rc=memcached_server_push(memc,server);

  if(rc==MEMCACHED_SUCCESS)
    {
       cout<<"Server push sucessful!"<<endl;
    }
    else
    {
       cout << "server push erro " <<rc << endl;
    }

    memcached_server_list_free(server);

    string key = "key";
    string value = "value";
    size_t value_length = value.length();
    size_t key_length = key.length();

    //Save data
    rc=memcached_set(memc,key.c_str(),key.length(),value.c_str(),value.length(),(time_t)0, (uint32_t)0);
    if(rc==MEMCACHED_SUCCESS)
    {
        cout<<"Save data:"<<value<<" sucessful!"<<endl;
    }
else
{
  cout << "memcached_set erro " <<rc << endl;
}

    //Get data
    char* result = memcached_get(memc,key.c_str(),key_length,&value_length,&flags,&rc);
    if(rc == MEMCACHED_SUCCESS)
    {
         cout<<"Get value:"<<result<<" sucessful!"<<endl;
    }
else
{
  cout << "memcached_get erro " <<rc << endl;
}

     //Delete data
    rc=memcached_delete(memc,key.c_str(),key_length,expiration);
    if(rc==MEMCACHED_SUCCESS)
    {
        cout<<"Delete key:"<<key<<" sucessful!"<<endl;
    }
else
{
  cout << "memcached_delete erro " <<rc << endl;
}

     //free
    memcached_free(memc);
    return 0;
}