Class: OnlinePayments::SDK::DefaultImpl::DefaultConnection

Inherits:
PooledConnection show all
Defined in:
lib/onlinepayments/sdk/defaultimpl/default_connection.rb

Constant Summary collapse

CONTENT_TYPE = 
'Content-Type'.freeze
JSON_CONTENT_TYPE = 
'application/json'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ DefaultConnection

Returns a new instance of DefaultConnection.

Parameters:

  • args (Hash) —

    the parameters to initialize the connection with

Options Hash (args):

  • :connect_timeout (Integer) —

    connection timeout in seconds. Uses CommunicatorConfiguration.default_connect_timeout if not given.

  • :socket_timeout (Integer) —

    socket timeout in seconds. Uses CommunicatorConfiguration.default_socket_timeout if not given.

  • :max_connections (Integer) —

    number of connections kept alive in the thread pool. Uses CommunicatorConfiguration.default_max_connections if not given.

  • :proxy_configuration (Hash) —

    object that stores the proxy to use. If not given the system default proxy is used; if there is no system default proxy set either, no proxy is used.

Raises:

  • (ArgumentError) 


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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 34

def initialize(args)
  raise ArgumentError unless args.is_a? Hash

  super()

  # Set timeouts to nil if they are negative
  @connect_timeout = args[:connect_timeout] || CommunicatorConfiguration.default_connect_timeout
  @connect_timeout = nil unless @connect_timeout&.positive?
  @socket_timeout = args[:socket_timeout] || CommunicatorConfiguration.default_socket_timeout
  @socket_timeout = nil unless @socket_timeout&.positive?
  @max_connections = args[:max_connections] || CommunicatorConfiguration.default_max_connections
  @proxy_configuration = args[:proxy_configuration]

  # HTTPClient provides the following features:
  # 1) thread safe, an instance can be used by multiple threads without
  # explicit synchronization
  # 2) use persistent connection if HTTP 1.1 is supported. The connection
  # will be left open until explicitly closed or keep_alive_timeout
  # 3) a built-in connection pool with no limit for max connections
  @http_client = create_http_client
  @http_client.connect_timeout = @connect_timeout
  @http_client.send_timeout = @socket_timeout
  @http_client.receive_timeout = @socket_timeout
end

Instance Method Details

#close ⇒ Object

Frees all networking resources used.



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 100

def close
  @http_client.reset_all
end

#close_expired_connections ⇒ Object

HTTPClient automatically closes expired connections so close_expired_connections is a no-operation.



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 93

def close_expired_connections
  # By default the keep alive timeout is 15 sec, which is the HTTP 1.1
  # standard. To change the value, use keep_alive_timeout= method
  # do nothing, handled by HTTPClient
end

#close_idle_connections(idle_time) ⇒ Object

Closes all connections idle for longer than idle_time seconds. In addition, the keep_alive_timeout is set to idle_time so any future connections idle for longer than idle_time seconds will also be closed.



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 86

def close_idle_connections(idle_time)
  # in sec
  @http_client.keep_alive_timeout = idle_time # set timeout value
  close_expired_connections
end

#delete(uri, request_headers) ⇒ Object

Performs a DELETE request to the Online Payments platform

See Also:



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 119

def delete(uri, request_headers)
  request('delete', uri, request_headers) do |response_status_code, response_headers, response_body|
    yield response_status_code, response_headers, response_body
  end
end

#disable_logging ⇒ Object

Disables logging by unregistering any previous logger that might be registered.



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 205

def disable_logging
  @communicator_logger = nil
end

#enable_logging(communicator_logger) ⇒ Object

Enables logging outgoing requests and incoming responses by registering the communicator_logger. Note that only one logger can be registered at a time and calling enable_logging a second time will override the old logger instance with the new one.

Parameters:

Raises:

  • (ArgumentError) 


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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 198

def enable_logging(communicator_logger)
  raise ArgumentError, 'communicatorLogger is required' unless communicator_logger

  @communicator_logger = communicator_logger
end

#get(uri, request_headers) ⇒ Object

Performs a GET request to the Online Payments platform

See Also:



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 111

def get(uri, request_headers)
  request('get', uri, request_headers) do |response_status_code, response_headers, response_body|
    yield response_status_code, response_headers, response_body
  end
end

#post(uri, request_headers, body) ⇒ Object

Performs a POST request to the Online Payments platform

See Also:



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 127

def post(uri, request_headers, body)
  request('post', uri, request_headers, body) do |response_status_code, response_headers, response_body|
    yield response_status_code, response_headers, response_body
  end
end

#put(uri, request_headers, body) ⇒ Object

Performs a PUT request to the Online Payments platform

See Also:



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 135

def put(uri, request_headers, body)
  request('put', uri, request_headers, body) do |response_status_code, response_headers, response_body|
    yield response_status_code, response_headers, response_body
  end
end

#request(method, uri, request_headers, body = nil) {|Integer, Array<OnlinePayments::SDK::ResponseHeader>, IO| ... } ⇒ Object

Performs a HTTP request and yields the response as the status code, headers and body. Also ensures the request is logged when sent and its response is logged when received.

Parameters:

  • method (String) —

    ‘GET’, ‘DELETE’, ‘POST’ or ‘PUT’ depending on the HTTP method being used.

  • uri (URI::HTTP) —

    full URI of the location the request is targeted at, including query parameters.

  • request_headers (Array<OnlinePayments::SDK::RequestHeader>) —

    list of headers that should be used as HTTP headers in the request.

  • body (String) (defaults to: nil) —

    request body.

Yields:

Raises:



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 150

def request(method, uri, request_headers, body = nil)
  request_headers = convert_from_headers(request_headers)
  request_id = SecureRandom.uuid
  content_type = request_headers[CONTENT_TYPE]

  info = { headers: request_headers, content_type: content_type }
  info[:body] = body if body

  log_request(request_id, method.upcase, uri, info)

  start_time = Time.now
  begin
    response_headers = nil
    response_status_code = nil
    response_content_type = nil
    response_body = ''
    raw_request(method, uri, request_headers, body) do |status_code, headers, r_content_type, r_body|
      response_headers = headers
      response_status_code = status_code
      response_content_type = r_content_type
      response_body = r_body.read.force_encoding('UTF-8')
      r_body = StringIO.new(response_body)

      yield status_code, headers, r_body
    end

    log_response(request_id, response_status_code, start_time,
                 headers: response_headers, body: response_body,
                 content_type: response_content_type)
  rescue HTTPClient::TimeoutError => e
    log_error(request_id, start_time, e)
    raise OnlinePayments::SDK::CommunicationException, e
  rescue HTTPClient::KeepAliveDisconnected, HTTPClient::RetryableResponse => e # retry these?
    log_error(request_id, start_time, e)
    raise OnlinePayments::SDK::CommunicationException, e
  rescue StandardError => e
    log_error(request_id, start_time, e)
    raise OnlinePayments::SDK::CommunicationException, e
  end
end

#session_count ⇒ Object

Returns the number of open connections



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# File 'lib/onlinepayments/sdk/defaultimpl/default_connection.rb', line 105

def session_count
  @http_client.session_count
end