Module: EventStore::HTTP::Session

Included in:
AnyMember, Leader
Defined in:
lib/event_store/http/session.rb,
lib/event_store/http/session/read.rb,
lib/event_store/http/session/leader.rb,
lib/event_store/http/session/factory.rb,
lib/event_store/http/session/defaults.rb,
lib/event_store/http/session/log_text.rb,
lib/event_store/http/session/any_member.rb

Defined Under Namespace

Modules: Defaults, LogText, Read Classes: AnyMember, Factory, Leader

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.build(settings = nil, namespace: nil, type: nil) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 16

def self.build(settings=nil, namespace: nil, type: nil)
  Factory.(settings, namespace: namespace, type: type)
end

.configure(receiver, settings = nil, attr_name: nil, session: nil, **arguments) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 20

def self.configure(receiver, settings=nil, attr_name: nil, session: nil, **arguments)
  attr_name ||= :session

  if session.nil?
    session = build settings, **arguments
  end

  receiver.public_send "#{attr_name}=", session
  session
end

.copy(session) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 31

def self.copy(session)
  instance = session.class.new
  instance.connect = session.connect
  instance.retry = session.retry
  instance
end

.included(cls) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 4

def self.included(cls)
  cls.class_exec do
    include Log::Dependency

    dependency :connect, Connect
    dependency :data_logger, Log::Data
    dependency :retry, Retry

    attr_writer :net_http
  end
end

Instance Method Details

#configure_retry(request) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 115

def configure_retry(request)
  request.retry = self.retry
end

#establish_connection(ip_address = nil) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 101

def establish_connection(ip_address=nil)
  data_logger.trace { "Establishing connection (IPAddress: #{ip_address || '(none)'})" }

  net_http = self.retry.() do
    connect.(ip_address).tap &:start
  end

  self.net_http = net_http

  data_logger.debug { "Connection established (IPAddress: #{net_http.ip_address}, Host: #{net_http.address}, Port: #{net_http.port})" }

  net_http
end

#net_http ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 91

def net_http
  @net_http ||= establish_connection
end

#reconnect(ip_address = nil) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 95

def reconnect(ip_address=nil)
  net_http.finish if net_http.active?

  establish_connection ip_address
end

#request(request) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 40

def request(request)
  logger.trace { "Issuing request (#{LogText.request request})" }

  data_logger.trace {
    <<~TEXT
    Issuing request
    
    #{request.method} #{request.path}
    #{LogText.header_data request}

    #{LogText.body_data request}
    TEXT
  }

  self.retry.() do |_retry|
    begin
      response = net_http.request request
    rescue SystemCallError, IOError => error
      logger.warn "Connection error during request; reconnecting (ErrorClass: #{error.class}, ErrorMessage: #{error.message})"
      reconnect

      reset_request request

      _retry.failed error
    end

    logger.debug { "Request completed (#{LogText.request request, response})" }

    data_logger.debug {
      <<~TEXT
      Request completed
      
      #{request.method} #{request.path}
      #{LogText.header_data request}
      #{LogText.body_data request}

      HTTP/#{response.http_version} #{response.code} #{response.message}
      #{LogText.header_data response}
      #{LogText.body_data response}
      TEXT
    }

    if Net::HTTPServerError === response
      logger.warn { "Server error (#{LogText.request request, response})" }
      _retry.failed
    end

    response
  end
end

#reset_request(request) ⇒ Object 



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# File 'lib/event_store/http/session.rb', line 119

def reset_request(request)
  request['host'] = nil
  request['connection'] = nil
end