对于每一个子应答，无需使用者单独释放，只需释放最外部的redisReply即可。
freeReplyObject(r);
printf("Succeed to execute command[%s].\n",command5);
printf("Begin to test pipeline.\n");
//该命令只是将待发送的命令写入到上下文对象的输出缓冲区中，直到调用后面的
//redisGetReply命令才会批量将缓冲区中的命令写出到Redis服务器。这样可以
//有效的减少客户端与服务器之间的同步等候时间，以及网络IO引起的延迟。
//至于管线的具体性能优势，可以考虑该系列博客中的管线主题。
/* if (REDIS_OK != redisAppendCommand(c,command1)
|| REDIS_OK != redisAppendCommand(c,command2)
|| REDIS_OK != redisAppendCommand(c,command3)
|| REDIS_OK != redisAppendCommand(c,command4)
|| REDIS_OK != redisAppendCommand(c,command5)) {
redisFree(c);
return;
}
*/
redisAppendCommand(c,command1);
redisAppendCommand(c,command2);
redisAppendCommand(c,command3);
redisAppendCommand(c,command4);
redisAppendCommand(c,command5);
redisReply* reply = NULL;
//对pipeline返回结果的处理方式，和前面代码的处理方式完全一直，这里就不再重复给出了。
if (REDIS_OK != redisGetReply(c,(void**)&reply)) {
printf("Failed to execute command[%s] with Pipeline.\n",command1);
freeReplyObject(reply);
redisFree(c);
}
freeReplyObject(reply);
printf("Succeed to execute command[%s] with Pipeline.\n",command1);
if (REDIS_OK != redisGetReply(c,(void**)&reply)) {
printf("Failed to execute command[%s] with Pipeline.\n",command2);
freeReplyObject(reply);
redisFree(c);
}
freeReplyObject(reply);
printf("Succeed to execute command[%s] with Pipeline.\n",command2);
if (REDIS_OK != redisGetReply(c,(void**)&reply)) {
printf("Failed to execute command[%s] with Pipeline.\n",command3);
freeReplyObject(reply);
redisFree(c);
}
freeReplyObject(reply);
printf("Succeed to execute command[%s] with Pipeline.\n",command3);
if (REDIS_OK != redisGetReply(c,(void**)&reply)) {
printf("Failed to execute command[%s] with Pipeline.\n",command4);
freeReplyObject(reply);
redisFree(c);
}
freeReplyObject(reply);
printf("Succeed to execute command[%s] with Pipeline.\n",command4);
if (REDIS_OK != redisGetReply(c,(void**)&reply)) {
printf("Failed to execute command[%s] with Pipeline.\n",command5);
freeReplyObject(reply);
redisFree(c);
}
freeReplyObject(reply);
printf("Succeed to execute command[%s] with Pipeline.\n",command5);
//由于所有通过pipeline提交的命令结果均已为返回，如果此时继续调用redisGetReply，
//将会导致该函数阻塞并挂起当前线程，直到有新的通过管线提交的命令结果返回。
//最后不要忘记在退出前释放当前连接的上下文对象。
redisFree(c);
return;
}
int main()
{
doTest();
return 0;
}
memcache: http://php.net/manual/zh/book.memcache.php http://docs.linuxtone.org/ebooks/NOSQL/memcached/memcached--%E9%BB%91%E5%A4%9C%E8%B7%AF%E4%BA%BA.pdf
gcc
源码编译： http://www.cnblogs.com/codemood/archive/2013/06/01/3113200.
html 下载地址：http://ftp.gnu.org/ GNU的ftp服务器下载
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