Method load_sets_from_directory

src/proxy/http/HttpBodyFactory.cc:732–799

LOCKING: must be called with lock taken

// LOCKING: must be called with lock taken
std::unique_ptr<HttpBodyFactory::BodySetTable>
HttpBodyFactory::load_sets_from_directory(char *set_dir)
{
  DIR                                           *dir;
  struct dirent                                 *dirEntry;
  std::unique_ptr<HttpBodyFactory::BodySetTable> new_table_of_sets;

  if (set_dir == nullptr) {
    return nullptr;
  }

  Dbg(dbg_ctl_body_factory, "load_sets_from_directory(%s)", set_dir);

  //////////////////////////////////////////////////
  // try to open the requested template directory //
  //////////////////////////////////////////////////

  dir = opendir(set_dir);
  if (dir == nullptr) {
    Warning("can't open response template directory '%s' (%s)", set_dir, (strerror(errno) ? strerror(errno) : "unknown reason"));
    Warning("no response templates --- using default error pages");
    return nullptr;
  }

  new_table_of_sets.reset(new HttpBodyFactory::BodySetTable);

  //////////////////////////////////////////
  // loop over each language subdirectory //
  //////////////////////////////////////////

  while ((dirEntry = readdir(dir))) {
    int         status;
    struct stat stat_buf;
    char        subdir[MAXPATHLEN + 1];

    //////////////////////////////////////////////////////
    // ensure a subdirectory, and not starting with '.' //
    //////////////////////////////////////////////////////

    if ((dirEntry->d_name)[0] == '.') {
      continue;
    }

    ink_filepath_make(subdir, sizeof(subdir), set_dir, dirEntry->d_name);
    status = stat(subdir, &stat_buf);
    if (status != 0) {
      continue; // can't stat
    }

    if (!S_ISDIR(stat_buf.st_mode)) {
      continue; // not a dir
    }

    ///////////////////////////////////////////////////////////
    // at this point, 'subdir' might be a valid template dir //
    ///////////////////////////////////////////////////////////

    HttpBodySet *body_set = load_body_set_from_directory(dirEntry->d_name, subdir);