Class: Telecaster
- Inherits:
-
Object
- Object
- Telecaster
- Defined in:
- lib/telecaster/multi.rb,
lib/telecaster.rb
Overview
This is Telecaster::Multi, not a multitelecaster.
Defined Under Namespace
Classes: Multi
Constant Summary collapse
- ASYNC_RESPONSE =
[-1, {}, []].freeze
- DEFAULT_TIMEOUT =
10
- EMHTTP_VERSION =
EM::HttpRequest::VERSION.split('.')[0].to_i
- TYPE_JSON =
'application/json'
- ROOT =
File.('..', __FILE__)
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(options) ⇒ Telecaster
constructor
A new instance of Telecaster.
- #listen(port) ⇒ Object
Constructor Details
#initialize(options) ⇒ Telecaster
Returns a new instance of Telecaster.
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# File 'lib/telecaster.rb', line 16 def initialize() @backend_hosts = [:backends] @logger = [:logger] @timeout = [:timeout] || DEFAULT_TIMEOUT end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/telecaster.rb', line 29 def call(env) ensure_reactor_running start = Time.now.to_f method = env['REQUEST_METHOD'].downcase multi = Multi.new callback = env['async.callback'] args = create_args(env) @backend_hosts.each do |host| uri = File.join(host, env['REQUEST_URI']) request = create_request(uri) multi.add(host, request.__send__(method, args)) end multi.callback do |response| duration = ((Time.now.to_f - start) * 1000).round summary = response.map { |r| '[' + [r['host'], r['status'] || '-', r['duration'] || '-'] * ' ' + ']' } @logger.info "#{env['REQUEST_METHOD']} #{env['REQUEST_URI']} \"#{args[:body]}\" backends:#{response.size} duration:#{duration} #{summary * ' '}" json = Yajl::Encoder.encode(response, :pretty => true, :indent => ' ') callback.call [200, {'Content-Type' => TYPE_JSON}, [json]] end ASYNC_RESPONSE rescue => e [500, {'Content-Type' => 'text/plain'}, [e.]] end |
#listen(port) ⇒ Object
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# File 'lib/telecaster.rb', line 22 def listen(port) app = self server = Thin::Server.new('0.0.0.0', port) { run app } server.timeout = 1.5 * @timeout server.start end |