Class: Exa::Internal::Transport::PooledNetRequester

Inherits:
Object
  • Object
show all
Defined in:
lib/exa/internal/transport/pooled_net_requester.rb

Constant Summary collapse

KEEP_ALIVE_TIMEOUT = 
30
DEFAULT_MAX_CONNECTIONS = 
[Etc.nprocessors, 99].max

Instance Method Summary collapse

Constructor Details

#initialize(size: DEFAULT_MAX_CONNECTIONS) ⇒ PooledNetRequester

Returns a new instance of PooledNetRequester.



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# File 'lib/exa/internal/transport/pooled_net_requester.rb', line 15

def initialize(size: DEFAULT_MAX_CONNECTIONS)
  @size = size
  @mutex = Mutex.new
  @pools = {}
end

Instance Method Details

#execute(request) ⇒ Object 



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# File 'lib/exa/internal/transport/pooled_net_requester.rb', line 21

def execute(request)
  url = request.fetch(:url)
  deadline = request.fetch(:deadline)

  pool_for(url).with(timeout: remaining(deadline)) do |conn|
    req, body_closer = build_request(request) do
      calibrate_socket_timeout(conn, deadline)
    end

    calibrate_socket_timeout(conn, deadline)
    start_connection(conn)
    calibrate_socket_timeout(conn, deadline)

    enum = Enumerator.new do |y|
      conn.request(req) do |resp|
        y << [req, resp]
        resp.read_body do |chunk|
          y << chunk.force_encoding(Encoding::BINARY)
        end
      end
    rescue Timeout::Error
      raise Exa::Errors::APITimeoutError.new("Request timed out", url: url)
    rescue StandardError => e
      raise Exa::Errors::APIConnectionError.new(e.message, url: url)
    ensure
      body_closer&.call
    end

    _, response = enum.next
    body_stream = Enumerator.new do |y|
      loop do
        begin
          y << enum.next
        rescue StopIteration
          break
        end
      end
    end
    body = Exa::Internal::Util.fused_enum(body_stream)
    [Integer(response.code), response, body]
  end
end