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# Class: Vertx::DatagramSocket

Inherits:
  Object
  - Object
  - Vertx::DatagramSocket
  show all
Includes:
  Measured, ReadStream
Defined in:
  /Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb

## Overview

A datagram socket can be used to send DatagramPacket's to remote datagram servers and receive {::Vertx::DatagramPacket}s .

Usually you use a datagram socket to send UDP over the wire. UDP is connection-less which means you are not connected to the remote peer in a persistent way. Because of this you have to supply the address and port of the remote peer when sending data.

You can send data to ipv4 or ipv6 addresses, which also include multicast addresses.

Please consult the documentation for more information on datagram sockets.

## Instance Method Summary (collapse)

- - (self) block_multicast_group(multicastAddress = nil, networkInterface = nil, sourceToBlock = nil) { ... }
  Block the given address for the given multicast address on the given network interface and notifies the once the operation completes.
- - (void) close { ... }
  Closes the DatagramSocket implementation asynchronous and notifies the handler once done.
- - (self) end_handler { ... }
- - (self) exception_handler { ... }
- - (self) handler { ... }
- - (self) listen(port = nil, host = nil) { ... }
  Start listening on the given port and host.
- - (self) listen_multicast_group(multicastAddress = nil, networkInterface = nil, source = nil) { ... }
  Joins a multicast group and listens for packets send to it on the given network interface.
- - (::Vertx::SocketAddress) local_address
  Return the SocketAddress to which this DatagramSocket is bound.
- - (true, false) metrics_enabled?
  Whether the metrics are enabled for this measured object.
- - (self) pause
- - (self) resume
- - (self) send(param_1 = nil, param_2 = nil, param_3 = nil, param_4 = nil)
  Write the given String to the SocketAddress using the given encoding.
- - (::Vertx::PacketWritestream) sender(port = nil, host = nil)
  Returns a PacketWritestream able to send to the SocketAddress.
- - (self) unlisten_multicast_group(multicastAddress = nil, networkInterface = nil, source = nil) { ... }
  Leaves a multicast group and stops listening for packets send to it on the given network interface.

## Instance Method Details

### - (`self`) block_multicast_group(multicastAddress = nil, networkInterface = nil, sourceToBlock = nil) { ... }

Block the given address for the given multicast address on the given network interface and notifies the once the operation completes.

Parameters:

- multicastAddress (`String`) (defaults to: `nil`) —
  the address for which you want to block the source address
- networkInterface (`String`) (defaults to: `nil`) —
  the network interface on which the blocking should occur.
- sourceToBlock (`String`) (defaults to: `nil`) —
  the source address which should be blocked. You will not receive an multicast packets for it anymore.

Yields:

- the handler to notify once the operation completes

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 149

    def block_multicast_group(multicastAddress=nil,networkInterface=nil,sourceToBlock=nil)
      if multicastAddress.class == String && networkInterface.class == String && block_given? && sourceToBlock == nil
        @j_del.java_method(:blockMulticastGroup, [Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(multicastAddress,networkInterface,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      elsif multicastAddress.class == String && networkInterface.class == String && sourceToBlock.class == String && block_given?
        @j_del.java_method(:blockMulticastGroup, [Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(multicastAddress,networkInterface,sourceToBlock,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling block_multicast_group(multicastAddress,networkInterface,sourceToBlock)"
    end

### - (`void`) close { ... }

This method returns an undefined value.

Closes the Vertx::DatagramSocket implementation asynchronous and notifies the handler once done.

Yields:

- the handler to notify once complete

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 88

    def close
      if !block_given?
        return @j_del.java_method(:close, []).call()
      elsif block_given?
        return @j_del.java_method(:close, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |ar| yield(ar.failed ? ar.cause : nil) }))
      end
      raise ArgumentError, "Invalid arguments when calling close()"
    end

### - (`self`) end_handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 189

    def end_handler
      if block_given?
        @j_del.java_method(:endHandler, [Java::IoVertxCore::Handler.java_class]).call(Proc.new { yield })
        return self
      end
      raise ArgumentError, "Invalid arguments when calling end_handler()"
    end

### - (`self`) exception_handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 207

    def exception_handler
      if block_given?
        @j_del.java_method(:exceptionHandler, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(::Vertx::Util::Utils.from_throwable(event)) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling exception_handler()"
    end

### - (`self`) handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 198

    def handler
      if block_given?
        @j_del.java_method(:handler, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(::Vertx::Util::Utils.safe_create(event,::Vertx::DatagramPacket)) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling handler()"
    end

### - (`self`) listen(port = nil, host = nil) { ... }

Start listening on the given port and host. The handler will be called when the socket is listening.

Parameters:

- port (`Fixnum`) (defaults to: `nil`) —
  the port to listen on
- host (`String`) (defaults to: `nil`) —
  the host to listen on

Yields:

- the handler will be called when listening

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 164

    def listen(port=nil,host=nil)
      if port.class == Fixnum && host.class == String && block_given?
        @j_del.java_method(:listen, [Java::int.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(port,host,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling listen(port,host)"
    end

### - (`self`) listen_multicast_group(multicastAddress = nil, networkInterface = nil, source = nil) { ... }

Joins a multicast group and listens for packets send to it on the given network interface. The is notified once the operation completes.

Parameters:

- multicastAddress (`String`) (defaults to: `nil`) —
  the address of the multicast group to join
- networkInterface (`String`) (defaults to: `nil`) —
  the network interface on which to listen for packets.
- source (`String`) (defaults to: `nil`) —
  the address of the source for which we will listen for multicast packets

Yields:

- then handler to notify once the operation completes

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 115

    def listen_multicast_group(multicastAddress=nil,networkInterface=nil,source=nil)
      if multicastAddress.class == String && block_given? && networkInterface == nil && source == nil
        @j_del.java_method(:listenMulticastGroup, [Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(multicastAddress,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      elsif multicastAddress.class == String && networkInterface.class == String && source.class == String && block_given?
        @j_del.java_method(:listenMulticastGroup, [Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(multicastAddress,networkInterface,source,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling listen_multicast_group(multicastAddress,networkInterface,source)"
    end

### - (`::Vertx::SocketAddress`) local_address

Return the SocketAddress to which this Vertx::DatagramSocket is bound.

Returns:

- (`::Vertx::SocketAddress`) —
  the socket address

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 99

    def local_address
      if !block_given?
        if @cached_local_address != nil
          return @cached_local_address
        end
        return @cached_local_address = ::Vertx::Util::Utils.safe_create(@j_del.java_method(:localAddress, []).call(),::Vertx::SocketAddress)
      end
      raise ArgumentError, "Invalid arguments when calling local_address()"
    end

### - (`true`, `false`) metrics_enabled?

Whether the metrics are enabled for this measured object

Returns:

- (`true`, `false`) —
  true if the metrics are enabled

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 35

    def metrics_enabled?
      if !block_given?
        return @j_del.java_method(:isMetricsEnabled, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling metrics_enabled?()"
    end

### - (`self`) pause

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 172

    def pause
      if !block_given?
        @j_del.java_method(:pause, []).call()
        return self
      end
      raise ArgumentError, "Invalid arguments when calling pause()"
    end

### - (`self`) resume

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 180

    def resume
      if !block_given?
        @j_del.java_method(:resume, []).call()
        return self
      end
      raise ArgumentError, "Invalid arguments when calling resume()"
    end

### - (`self`) send(packet, port, host, handler) - (`self`) send(str, port, host, handler) - (`self`) send(str, enc, port, host, handler)

Write the given String to the SocketAddress using the given encoding. The will be notified once the write completes.

Overloads:

- - (`self`) send(packet, port, host, handler)

  Parameters:

  - packet (`::Vertx::Buffer`) —
    the Buffer to write
  - port (`Fixnum`) —
    the host port of the remote peer
  - host (`String`) —
    the host address of the remote peer
- - (`self`) send(str, port, host, handler)

  Parameters:

  - str (`String`) —
    the String to write
  - port (`Fixnum`) —
    the host port of the remote peer
  - host (`String`) —
    the host address of the remote peer
- - (`self`) send(str, enc, port, host, handler)

  Parameters:

  - str (`String`) —
    the String to write
  - enc (`String`) —
    the charset used for encoding
  - port (`Fixnum`) —
    the host port of the remote peer
  - host (`String`) —
    the host address of the remote peer

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 60

    def send(param_1=nil,param_2=nil,param_3=nil,param_4=nil)
      if param_1.class.method_defined?(:j_del) && param_2.class == Fixnum && param_3.class == String && block_given? && param_4 == nil
        @j_del.java_method(:send, [Java::IoVertxCoreBuffer::Buffer.java_class,Java::int.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(param_1.j_del,param_2,param_3,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      elsif param_1.class == String && param_2.class == Fixnum && param_3.class == String && block_given? && param_4 == nil
        @j_del.java_method(:send, [Java::java.lang.String.java_class,Java::int.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(param_1,param_2,param_3,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      elsif param_1.class == String && param_2.class == String && param_3.class == Fixnum && param_4.class == String && block_given?
        @j_del.java_method(:send, [Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::int.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(param_1,param_2,param_3,param_4,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling send(param_1,param_2,param_3,param_4)"
    end

### - (`::Vertx::PacketWritestream`) sender(port = nil, host = nil)

Returns a PacketWritestream able to send to the SocketAddress.

Parameters:

- port (`Fixnum`) (defaults to: `nil`) —
  the port of the remote peer
- host (`String`) (defaults to: `nil`) —
  the host address of the remote peer

Returns:

- (`::Vertx::PacketWritestream`) —
  the write stream for sending packets

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 78

    def sender(port=nil,host=nil)
      if port.class == Fixnum && host.class == String && !block_given?
        return ::Vertx::Util::Utils.safe_create(@j_del.java_method(:sender, [Java::int.java_class,Java::java.lang.String.java_class]).call(port,host),::Vertx::PacketWritestream)
      end
      raise ArgumentError, "Invalid arguments when calling sender(port,host)"
    end

### - (`self`) unlisten_multicast_group(multicastAddress = nil, networkInterface = nil, source = nil) { ... }

Leaves a multicast group and stops listening for packets send to it on the given network interface. The is notified once the operation completes.

Parameters:

- multicastAddress (`String`) (defaults to: `nil`) —
  the address of the multicast group to join
- networkInterface (`String`) (defaults to: `nil`) —
  the network interface on which to listen for packets.
- source (`String`) (defaults to: `nil`) —
  the address of the source for which we will listen for multicast packets

Yields:

- the handler to notify once the operation completes

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/src/main/resources/vertx/datagram_socket.rb', line 132

    def unlisten_multicast_group(multicastAddress=nil,networkInterface=nil,source=nil)
      if multicastAddress.class == String && block_given? && networkInterface == nil && source == nil
        @j_del.java_method(:unlistenMulticastGroup, [Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(multicastAddress,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      elsif multicastAddress.class == String && networkInterface.class == String && source.class == String && block_given?
        @j_del.java_method(:unlistenMulticastGroup, [Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::java.lang.String.java_class,Java::IoVertxCore::Handler.java_class]).call(multicastAddress,networkInterface,source,(Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::Vertx::DatagramSocket) : nil) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling unlisten_multicast_group(multicastAddress,networkInterface,source)"
    end