Module: Oaf::HTTPServer

Extended by:
HTTPServer
Included in:
HTTPServer
Defined in:
lib/oaf/httpserver.rb

Instance Method Summary collapse

Instance Method Details

#get_request_body(req) ⇒ Object

Safely retrieves the request body, and assumes an empty string if it cannot be retrieved. This helps get around a nasty exception in WEBrick.

Parameters:

req

A WEBrick::HTTPRequest object

Returns:

A string containing the request body



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# File 'lib/oaf/httpserver.rb', line 38

def get_request_body req
  if ['POST', 'PUT'].member? req.request_method
    begin
      result = req.body
    rescue WEBrick::HTTPStatus::LengthRequired
      result = ''  # needs to be in rescue for coverage
    end
  end
  result
end

#parse_response(output) ⇒ Object

Given output from a script, parse HTTP response details and return them as a hash, including body, status, and headers.

Parameters:

output

The output text data returned by a script.

Returns:

A hash containing the HTTP response details (body, status, and headers).



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# File 'lib/oaf/httpserver.rb', line 18

def parse_response output
  has_meta = false
  headers = {'content-type' => 'text/plain'}
  status = 200
  headers, status, meta_size = Oaf::Util.parse_http_meta output
  lines = output.split("\n")
  body = lines.take(lines.length - meta_size).join("\n")+"\n"
  [headers, status, body]
end

#serve(options) ⇒ Object

Invokes the Webrick web server library to handle incoming requests, and routes them to the appropriate scripts if they exist on the filesystem.

Parameters:

options

A hash of Oaf configuration options



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# File 'lib/oaf/httpserver.rb', line 76

def serve options
  server = WEBrick::HTTPServer.new :Port => options[:port]
  server.mount '/', Oaf::HTTPHandler, options
  trap 'INT' do server.shutdown end
  server.start
end

#set_response!(res, headers, body, status) ⇒ Object

Consume HTTP response details and set them into a response object.

Parameters:

res

A WEBrick::HTTPResponse object

headers

A hash containing HTTP response headers

body

A string containing the HTTP response body

status

An integer indicating the response status



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# File 'lib/oaf/httpserver.rb', line 61

def set_response! res, headers, body, status
  headers.each do |name, value|
    res.header[name] = value
  end
  res.body = body
  res.status = status
end