设置socket缓存的方法

//增加SOCKET缓存
{
	int size = 0;
	int buf_len = sizeof(int);
	ACE_OS::getsockopt(icmp_sk, SOL_SOCKET, SO_RCVBUF, (char*)(&size), &buf_len);
	size = size * 10;
	ACE_OS::setsockopt(icmp_sk, SOL_SOCKET, SO_RCVBUF, (const char*)(&size), sizeof(int));
}