#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "ipc_msg.h"

int basic_create_ipc_client(char * unix_domain_path, memfd_data_st * ptr_memfd_data)
{
  int fd;
  int connect_fd;
  struct sockaddr_un srv_addr;
  char snd_buf[MAX_LEN] = {0};
  char rcv_buf[MAX_LEN] = {0};
  int ret;
  int i;
  char *fd_path;
  int rcv_num = 0;

  connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);

  if(connect_fd < 0)
  {
    perror("client create socket failed");
    return 1;
  }
  srv_addr.sun_family = AF_UNIX;

  if(unix_domain_path == NULL)
  {
    unix_domain_path  = UNIX_DOMAIN;
  }

  strcpy(srv_addr.sun_path, unix_domain_path);
  ret = connect(connect_fd, (struct sockaddr*)&srv_addr, sizeof(srv_addr));
  if(ret == -1)
  {
    perror("connect to server failed!");
    close(connect_fd);
    unlink(UNIX_DOMAIN);
    return 1;
  }

  printf("connect to server path:%s success!", srv_addr.sun_path);

  //memset(rcv_buf, 0, sizeof(rcv_buf));
  //int rcv_num = read(connect_fd, rcv_buf, sizeof(rcv_buf));
  //memcpy(&memfd_data, rcv_buf, sizeof(memfd_data_st));

  memset(snd_buf, 0, 256);
  strcpy(snd_buf, HELLO_MSG);
  printf("sizeof(snd_buf): %ld\n", sizeof(snd_buf));

  printf("send data to server... ...\n");
  write(connect_fd, snd_buf, sizeof(snd_buf));
  printf("send end!\n");

  memset(rcv_buf, 0, sizeof(rcv_buf));
  rcv_num = read(connect_fd, rcv_buf, sizeof(rcv_buf));
  if(rcv_num == 0)
  {
    close(connect_fd);    
    return 0;
  }
  memcpy(ptr_memfd_data, rcv_buf, rcv_num);

  close(connect_fd);
}