Class: Atig::Stream

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/atig/stream.rb

Defined Under Namespace

Classes: APIFailed

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ExceptionUtil

daemon, safe

Constructor Details

#initialize(context, channel, access) ⇒ Stream

Returns a new instance of Stream.



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# File 'lib/atig/stream.rb', line 17

def initialize(context, channel, access)
  @log      = context.log
  @opts     = context.opts
  @channel  = channel
  @access   = access
end

Instance Attribute Details

#channel ⇒ Object (readonly)

Returns the value of attribute channel.



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# File 'lib/atig/stream.rb', line 14

def channel
  @channel
end

Instance Method Details

#api_base ⇒ Object 



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# File 'lib/atig/stream.rb', line 63

def api_base
  URI(@opts.stream_api_base)
end

#watch(path, query = {}, &f) ⇒ Object 



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# File 'lib/atig/stream.rb', line 24

def watch(path, query={}, &f)
  path.sub!(%r{\A/+}, "")

  uri = api_base
  uri.path += path
  uri.path += ".json"
  uri.query = query.to_query_str unless query.empty?

  @log.debug [uri.to_s]

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  request = Net::HTTP::Get.new(uri.request_uri)
  request.oauth!(http, @access.consumer, @access)
  http.request(request) do |response|
    unless response.code == '200' then
      raise APIFailed,"#{response.code} #{response.message}"
    end

    begin
      buffer = ''
      response.read_body do |chunk|
        next if chunk.chomp.empty?
        buffer << chunk.to_s

        if buffer =~ /\A(.*)\n/ then
          text = $1
          unless text.strip.empty?
            f.call TwitterStruct.make(JSON.parse(text))
          end
          buffer = ''
        end
      end
    rescue => e
      raise APIFailed,e.to_s
    end
  end
end