Class: Elasticsearch::Transport::Transport::HTTP::Faraday

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/elasticsearch/transport/transport/http/faraday.rb

Overview

The default transport implementation, using the [Faraday](rubygems.org/gems/faraday) library for abstracting the HTTP client.

See Also:

Constant Summary

Constants included from Base

Base::DEFAULT_MAX_RETRIES, Base::DEFAULT_PORT, Base::DEFAULT_PROTOCOL, Base::DEFAULT_RELOAD_AFTER, Base::DEFAULT_RESURRECT_AFTER, Base::DEFAULT_SERIALIZER_CLASS, Base::SANITIZED_PASSWORD

Instance Attribute Summary

Attributes included from Base

#connections, #counter, #hosts, #last_request_at, #logger, #options, #protocol, #reload_after, #reload_connections, #resurrect_after, #serializer, #sniffer, #tracer

Instance Method Summary collapse

Methods included from Base

#__build_connections, #__close_connections, #__convert_to_json, #__full_url, #__log_response, #__raise_transport_error, #__rebuild_connections, #__trace, #get_connection, #initialize, #reload_connections!, #resurrect_dead_connections!

Methods included from Loggable

#log_debug, #log_error, #log_fatal, #log_info, #log_warn

Instance Method Details

#__build_connection(host, options = {}, block = nil) ⇒ Connections::Connection

Builds and returns a connection

Returns:



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# File 'lib/elasticsearch/transport/transport/http/faraday.rb', line 63

def __build_connection(host, options={}, block=nil)
  client = ::Faraday.new(__full_url(host), options, &block)
  apply_headers(client, options)
  Connections::Connection.new(host: host, connection: client)
end

#host_unreachable_exceptions ⇒ Array

Returns an array of implementation specific connection errors.

Returns:

  • (Array) 


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# File 'lib/elasticsearch/transport/transport/http/faraday.rb', line 73

def host_unreachable_exceptions
  [::Faraday::ConnectionFailed, ::Faraday::TimeoutError]
end

#perform_request(method, path, params = {}, body = nil, headers = nil, opts = {}) ⇒ Response

Performs the request by invoking Base#perform_request with a block.

Returns:

See Also:



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# File 'lib/elasticsearch/transport/transport/http/faraday.rb', line 35

def perform_request(method, path, params = {}, body = nil, headers = nil, opts = {})
  super do |connection, url|
    headers = if connection.connection.headers
                if !headers.nil?
                  connection.connection.headers.merge(headers)
                else
                  connection.connection.headers
                end
              else
                headers
              end

    body = body ? __convert_to_json(body) : nil
    body, headers = compress_request(body, headers)

    response = connection.connection.run_request(method.downcase.to_sym,
                                                 url,
                                                 body,
                                                 headers)

    Response.new response.status, decompress_response(response.body), response.headers
  end
end