Class: NewRelic::Security::WebSocket::Client::Simple::Client

Inherits:
Object
  • Object
show all
Includes:
EventEmitter
Defined in:
lib/newrelic_security/websocket-client-simple/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from EventEmitter

apply, included

Constructor Details

#initialize ⇒ Client

Returns a new instance of Client.



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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 23

def initialize
  @socket = nil
end

Instance Attribute Details

#handshake ⇒ Object (readonly)

Returns the value of attribute handshake.



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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 21

def handshake
  @handshake
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 21

def url
  @url
end

Instance Method Details

#close(reconnect = true) ⇒ Object 



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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 107

def close(reconnect = true)
  return if @closed
  if !@pipe_broken
    send nil, :type => :close
  end
  @closed = true
  @socket.close if @socket
  @socket = nil
  emit :__close, reconnect
  Thread.kill @thread if @thread
end

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 123

def closed?
  @closed
end

#connect(url, options = {}) ⇒ Object 



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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 27

def connect(url, options={})
  return if @socket
  @url = url
  uri = URI.parse url
  @socket = TCPSocket.new(uri.host,
                          uri.port || (uri.scheme == 'wss' ? 443 : 80))
  if ['https', 'wss'].include? uri.scheme
    ctx = OpenSSL::SSL::SSLContext.new
    ctx.ssl_version = options[:ssl_version] if options[:ssl_version]
    ctx.verify_mode = options[:verify_mode] if options[:verify_mode]
    cert_store = options[:cert_store] || OpenSSL::X509::Store.new
    cert_store.set_default_paths
    ctx.cert_store = cert_store
    @socket = ::OpenSSL::SSL::SSLSocket.new(@socket, ctx)
    @socket.sync_close = true
    @socket.hostname = uri.host
    @socket.connect
  end
  @handshake = NewRelic::Security::WebSocket::Handshake::Client.new :url => url, :headers => options[:headers]
  @handshaked = false
  @pipe_broken = false
  frame = NewRelic::Security::WebSocket::Frame::Incoming::Client.new
  @closed = false
  once :__close do |err|
    close
    emit :close, err
  end
  
  @thread = Thread.new do
    while !@closed do
      begin
        unless recv_data = @socket.getc
          sleep 1
          next
        end
        unless @handshaked
          @handshake << recv_data
          if @handshake.finished?
            @handshaked = true
            emit :open
          end
        else
          frame << recv_data
          while msg = frame.next
            emit :message, msg
          end
        end
      rescue IOError => e
        if e.inspect =~ /stream closed in another thread/
          close false
        else
          emit :error, e
        end
      rescue => e
        emit :error, e
      end
    end
  end
  
  @socket.write @handshake.to_s
end

#open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 119

def open?
  @handshake&.finished? and !@closed
end

#send(data, opt = {:type => :text}) ⇒ Object 



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# File 'lib/newrelic_security/websocket-client-simple/client.rb', line 89

def send(data, opt={:type => :text})
  return if !@handshaked or @closed
  type = opt[:type]
  frame = NewRelic::Security::WebSocket::Frame::Outgoing::Client.new(:data => data, :type => type, :version => @handshake.version)
  begin
    @socket.write frame.to_s
  rescue IOError => e
    @pipe_broken = true
    emit :__close, e
  rescue Errno::EPIPE => e
    @pipe_broken = true
    emit :__close, e
  rescue OpenSSL::SSL::SSLError => e
    @pipe_broken = true
    emit :__close, e
  end
end