#define _GNU_SOURCE  

#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <linux/memfd.h>
#include <sys/syscall.h>
#include <sys/mman.h>
#include "network.h"

int make_swap(void *message)
{
    rbt_msg *msg = (rbt_msg*)message;
            printf("gid=%s uid=%s nick=%s raw=%s type=%c\n",
               msg->gid, msg->uid, msg->nickname,
               msg->raw_message, msg->message_type);
}

int create_swap(const char *name)
{
   int fd = memfd_create(name,0);
   //申请共享内存
   ftruncate(fd, sizeof(rbt_msg));
   //调整大小
   rbt_msg *init_msg = (rbt_msg*)mmap(NULL, sizeof(rbt_msg), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
   char buf[MAX_MESSAGE_BUF] = {'\0'};
   memcpy(init_msg->raw_message,buf,MAX_MESSAGE_BUF);
   memcpy(init_msg->nickname,buf,64);
   munmap((void*)init_msg,sizeof(rbt_msg));
   //初始化
   return fd;
}