示例#1
0
int main(void)
{
  const char *filedir = "dirfile";
  const char *format = "dirfile/format";
  const char *data = "dirfile/data";
  const char *format_data = "data RAW UINT8 8\n";
  uint8_t c[8], d;
  int fd, i, n, error;
  struct stat buf;
  DIRFILE *D;

  memset(c, 0, 8);
  rmdirfile();
  mkdir(filedir, 0777);

  for (i = 0; i < 8; ++i)
    c[i] = (uint8_t)(40 + i);

  fd = open(format, O_CREAT | O_EXCL | O_WRONLY, 0666);
  write(fd, format_data, strlen(format_data));
  close(fd);

  D = gd_open(filedir, GD_RDWR | GD_UNENCODED | GD_VERBOSE);
  n = gd_putdata(D, "data", 5, 0, 1, 0, GD_UINT8, c);
  gd_flush(D, NULL);
  error = gd_error(D);

  gd_close(D);

  if (stat(data, &buf))
    return 1;
  if (buf.st_size != 40 + 8 * sizeof(uint8_t))
    return 1;

  fd = open(data, O_RDONLY | O_BINARY);
  i = 0;
  while (read(fd, &d, sizeof(uint8_t))) {
    if (i < 40 || i > 48) {
      if (d != 0)
        return 1;
    } else if (d != i)
      return 1;
    i++;
  }
  close(fd);

  unlink(data);
  unlink(format);
  rmdir(filedir);

  if (error)
    return 1;
  if (n != 8)
    return 1;

  return 0;
}
示例#2
0
int Dirfile::Flush(const char* field_code) const
{
  return gd_flush(D, field_code);
}
示例#3
0
文件: rumor.c 项目: BlastTNG/flight
int main(int argc, char *argv[]) {
  char dirfilename[1024];
  int i_ch;
  char fieldlist[255][255];
  DIRFILE *df_out;
  int fp_lnc;
  int n_read = 0;
  struct fifoStruct fs;
  
  int i_frame = 0;
  
  uint8_t c_in;
  int16_t s_in;
  uint16_t u_in;
  int32_t S_in;
  uint32_t U_in;
  double x_in;
  
  time_t t;

  fs.i_in = fs.i_out = 0;

  if (argc!=2) Usage();
  if (argv[1][0]=='-') Usage();
      
  strncpy(hostname, argv[1], 250);
  
  sprintf(dirfilename, "%s/%lu.l", RAWDIR, time(NULL));
  df_out = gd_open(dirfilename, GD_RDWR | GD_UNENCODED | GD_CREAT | GD_TRUNC);
  /* add fields to dirfile */
  for (i_ch =0; slowDLList[i_ch].name[0] != '\0'; i_ch++) {
    convertToUpper(slowDLList[i_ch].name, fieldlist[i_ch]);
    if (slowDLList[i_ch].encode == SDL_SCALE) {
      gd_add_raw(df_out, fieldlist[i_ch], GD_FLOAT64, 1, 0);
    } else {
      switch (slowDLList[i_ch].type) {
        case 'c':
          gd_add_raw(df_out, fieldlist[i_ch], GD_UINT8, 1, 0);
          break;
        case 's':
          gd_add_raw(df_out, fieldlist[i_ch], GD_INT16, 1, 0);
          break;
        case 'u':
          gd_add_raw(df_out, fieldlist[i_ch], GD_UINT16, 1, 0);
          break;
        case 'S':
          gd_add_raw(df_out, fieldlist[i_ch], GD_INT32, 1, 0);
          break;
        case 'U':
          gd_add_raw(df_out, fieldlist[i_ch], GD_UINT32, 1, 0);
          break;
        default:
          break; // shouldn't be possible
      }
    }      
  }
  gd_flush(df_out, NULL);
  
  unlink(LNKFILE);
  if (symlink(dirfilename, LNKFILE)<0) {
    fprintf(stderr, "could not create link from `%s' to `%s'",
            dirfilename, LNKFILE);
            exit(0);
  }

  strncpy(hostname, argv[1], 250);
  
  fp_lnc = party_connect(hostname, PORT);
  
  while (1) {
    do {
      if (nFifo(&fs)<4) {
        n_read += BlockingRead(4, &fs, fp_lnc, hostname, PORT);
      }
      peek(&fs, (char *)&U_in, 4);
      advance(&fs, 1);
    } while (U_in != SLOWDLSYNCWORD);
    
    advance(&fs, 4-1);
    
    for (i_ch =0; slowDLList[i_ch].name[0] != '\0'; i_ch++) {
      // read the word
      switch (slowDLList[i_ch].type) {
        case 'c':
          if (nFifo(&fs)<1) {
            n_read += BlockingRead(1, &fs, fp_lnc, hostname, PORT);
          }
          pop(&fs, (char *)&c_in, 1);
          break;
        case 's':
          if (nFifo(&fs)<2) {
            n_read += BlockingRead(2, &fs, fp_lnc, hostname, PORT);
          }
          pop(&fs, (char *)&s_in, 2);
          break;
        case 'u':
          if (nFifo(&fs)<2) {
            n_read += BlockingRead(2, &fs, fp_lnc, hostname, PORT);
          }
          pop(&fs, (char *)&u_in, 2);
          break;
        case 'S':
          if (nFifo(&fs)<4) {
            n_read += BlockingRead(4, &fs, fp_lnc, hostname, PORT);
          }
          pop(&fs, (char *)&S_in, 4);
          break;
        case 'U':
          if (nFifo(&fs)<4) {
            n_read += BlockingRead(4, &fs, fp_lnc, hostname, PORT);
          }
          pop(&fs, (char *)&U_in, 4);
          break;
        default:
          break;
      }
      // write the word
      if (slowDLList[i_ch].encode == SDL_SCALE) {
        switch (slowDLList[i_ch].type) {
          case 'c':
            x_in = (double)c_in / (double)0xff;
            break;
          case 'u':
            x_in = (double)u_in / (double)0xffff;
            break;
          case 'U':
            x_in = (double)U_in / (double)0xffff;
            break;
          default: // not allowed
            break;
        }
        x_in = slowDLList[i_ch].min + x_in * (slowDLList[i_ch].max - slowDLList[i_ch].min);
        gd_putdata(df_out, fieldlist[i_ch], i_frame, 0, 1, 0, GD_FLOAT64, &x_in);
      } else {
        switch (slowDLList[i_ch].type) {
          case 'c':
            gd_putdata(df_out, fieldlist[i_ch], i_frame, 0, 1, 0, GD_UINT8, &c_in);
            break;
          case 's':
            gd_putdata(df_out, fieldlist[i_ch], i_frame, 0, 1, 0, GD_INT16, &s_in);
            break;
          case 'u':
            gd_putdata(df_out, fieldlist[i_ch], i_frame, 0, 1, 0, GD_UINT16, &u_in);
            break;
          case 'S':
            gd_putdata(df_out, fieldlist[i_ch], i_frame, 0, 1, 0, GD_INT32, &S_in);
            break;
          case 'U':
            gd_putdata(df_out, fieldlist[i_ch], i_frame, 0, 1, 0, GD_UINT32, &U_in);
            break;
          default: // shouldn't happen
            break;
        }
      }
    } // next i_ch;
    t = time(NULL);
    printf("%s: frame %4d - %s", argv[0], i_frame, ctime(&t)); 
    i_frame++;
  }
  return 0;
}