Method LoadMetaConfig

libs/storage/map_files_downloader.cpp:189–232

static

// static
MetaConfig MapFilesDownloader::LoadMetaConfig()
{
  Platform & pl = GetPlatform();

  // If user sets a custom download server, skip metaserver entirely.
  std::string const customServer = pl.CustomMapServerUrl();
  if (!customServer.empty())
  {
    LOG(LINFO, ("Using custom map server URL:", customServer));

    MetaConfig metaConfig;
    metaConfig.m_serversList = {customServer};
    return metaConfig;
  }

  std::string const metaServerUrl = url::Join(pl.MetaServerUrl(), "servers");
  std::string httpResult;

  if (!metaServerUrl.empty())
  {
    LOG(LINFO, ("Requesting metaserver", metaServerUrl));
    platform::HttpClient request(metaServerUrl);
    request.SetRawHeader("X-OM-DataVersion", std::to_string(m_dataVersion));
    request.SetRawHeader("X-OM-AppVersion", pl.Version());
    request.SetRawHeader("Accept-Language", GetAcceptLanguage());
    request.SetTimeout(10.0);  // timeout in seconds
    request.RunHttpRequest(httpResult);
  }

  auto metaConfig = downloader::ParseMetaConfig(httpResult);
  if (!metaConfig)
  {
    metaConfig = downloader::ParseMetaConfig(pl.DefaultUrlsJSON());
    CHECK(metaConfig, ());
    LOG(LWARNING, ("Can't get metaserver configuration, using default servers:", metaConfig->m_serversList));
  }
  else
  {
    LOG(LINFO, ("Got servers list:", metaConfig->m_serversList));
  }

  CHECK(!metaConfig->m_serversList.empty(), ());
  return *metaConfig;
}

void MapFilesDownloader::GetMetaConfig(MetaConfigCallback const & callback)
{