Class: Rager::Http::Adapters::AsyncHttp

Inherits:
Abstract
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/rager/http/adapters/async_http.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AsyncHttp

Returns a new instance of AsyncHttp.



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# File 'lib/rager/http/adapters/async_http.rb', line 13

def initialize
  begin
    require "async/http"
  rescue LoadError
    raise Rager::Errors::DependencyError.new("async-http", details: "Please install the async-http gem to use the AsyncHttp adapter")
  end

  @internet = T.let(Async::HTTP::Internet.new, Async::HTTP::Internet)
end

Instance Method Details

#body_enum(response) ⇒ Object 



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# File 'lib/rager/http/adapters/async_http.rb', line 109

def body_enum(response)
  Enumerator.new do |yielder|
    response.body.each { |chunk| yielder << chunk }
  ensure
    response.close
  end
end

#make_request(request) ⇒ Object 



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# File 'lib/rager/http/adapters/async_http.rb', line 28

def make_request(request)
  response = wrap_if_timeout(request.timeout) do
    @internet.call(
      request.verb.serialize,
      request.url,
      request.headers.to_a,
      request.body
    )
  end

  body = if response.body.nil?
    nil
  elsif request.streaming
    body_enum(response)
  else
    response.body.join
  end

  Response.new(
    status: response.status,
    headers: response.headers.to_h,
    body: body
  )
rescue SocketError => e
  raise Rager::Errors::HttpError.new(
    self,
    request.url,
    0,
    body: nil,
    details: "DNS resolution failed: #{e.message}"
  )
rescue Errno::ECONNREFUSED => e
  raise Rager::Errors::HttpError.new(
    self,
    request.url,
    0,
    body: nil,
    details: "Connection refused: #{e.message}"
  )
rescue Errno::ETIMEDOUT => e
  raise Rager::Errors::HttpError.new(
    self,
    request.url,
    0,
    body: nil,
    details: "Connection timed out: #{e.message}"
  )
rescue Async::TimeoutError => e
  raise Rager::Errors::HttpError.new(
    self,
    request.url,
    0,
    body: nil,
    details: "Request timed out: #{e.message}"
  )
rescue EOFError => e
  raise Rager::Errors::HttpError.new(
    self,
    request.url,
    0,
    body: nil,
    details: "Connection closed unexpectedly: #{e.message}"
  )
end

#wrap_if_timeout(timeout, &block) ⇒ Object 



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# File 'lib/rager/http/adapters/async_http.rb', line 94

def wrap_if_timeout(timeout, &block)
  if timeout
    Async::Task.current.with_timeout(timeout) do
      block.call
    end
  else
    block.call
  end
end