C++从零开始区块链：P2P模块之公共头文件定义

搞了台阿里云做内网打洞测试，宏开关ALITEST用来内外网测试转换
#define SERVERIP “xx.xx.xx.xx” 是外网测试机的外网IP

#include <cstdio>
#include <cstdlib>
#include <cstring>

#include <sys/ioctl.h>
#include <net/if.h>

namespace ShaCoin
{
#define ALITEST 0

#if ALITEST
#define SERVERIP    "xxx.xxx.xxx.xxx"
#define LOCALPORT   10000

#else //1
#define SERVERIP    "192.168.180.133"
#define LOCALPORT   20000

#endif //1

#define SERVERPORT  9527

    typedef enum
    {
        cmd_register = 0x1000,
        cmd_unregister,
        cmd_getnode,
        cmd_max
    } Command;

    typedef struct st_node
    {
        int count;
        char queryIp[16];
        int queryPort;
        char recvIp[16];
        int recvPort;

        bool operator == (const struct st_node & value) const
        {
            return
                this->count == value.count &&
                this->queryPort == value.queryPort &&
                this->recvPort == value.recvPort &&
                !strcmp(this->queryIp, value.queryIp) &&
                !strcmp(this->recvIp, value.recvIp);
        }
    } __attribute__((packed))
        Node;

    typedef struct st_nodeinfo
    {
        Command cmd;
        Node node;
    } __attribute__((packed))
        NodeInfo;
}