Function plugin_expand

src/proxy/Plugin.cc:209–272

}

static char *
plugin_expand(char *arg)
{
  RecDataT data_type;
  char    *str = nullptr;

  if (*arg != '$') {
    return (char *)nullptr;
  }
  // skip the $ character
  arg += 1;

  if (RecGetRecordDataType(arg, &data_type) != REC_ERR_OKAY) {
    goto not_found;
  }

  switch (data_type) {
  case RECD_STRING: {
    RecString str_val;
    if (RecGetRecordString_Xmalloc(arg, &str_val) != REC_ERR_OKAY) {
      goto not_found;
    }
    return static_cast<char *>(str_val);
    break;
  }
  case RECD_FLOAT: {
    RecFloat float_val;
    if (RecGetRecordFloat(arg, &float_val) != REC_ERR_OKAY) {
      goto not_found;
    }
    str = static_cast<char *>(ats_malloc(128));
    snprintf(str, 128, "%f", static_cast<float>(float_val));
    return str;
    break;
  }
  case RECD_INT: {
    RecInt int_val;
    if (RecGetRecordInt(arg, &int_val) != REC_ERR_OKAY) {
      goto not_found;
    }
    str = static_cast<char *>(ats_malloc(128));
    snprintf(str, 128, "%ld", static_cast<long int>(int_val));
    return str;
    break;
  }
  case RECD_COUNTER: {
    RecCounter count_val;
    if (RecGetRecordCounter(arg, &count_val) != REC_ERR_OKAY) {
      goto not_found;
    }
    str = static_cast<char *>(ats_malloc(128));
    snprintf(str, 128, "%ld", static_cast<long int>(count_val));
    return str;
    break;
  }
  default:
    goto not_found;
    break;