LookupElement

  • HttpClientElementSpec http_spec_
  • array<string> lookup_servers_
    • in form ip:port
  • string lookup_query_path_format_
  • array<ExtraHeaders> lookup_http_headers_
  • optional bool lookup_force_host_header_; // default true
  • optional int lookup_num_retries_; // default 3
  • optional int lookup_max_concurrent_requests_; // default 1
  • optional int lookup_req_timeout_ms_; // default 10000
  • optional bool local_lookup_first_; // default true

ExtraHeaders

Http headers to send that is..

  • string name_
  • string value_

Check the source file for exact descriprion of how queries are composed, based on the requested media, session id, and other things..