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## net.i2p.router.transport.udp
Class UDPReceiver

    java.lang.Object
      net.i2p.router.transport.udp.UDPReceiver

     class UDPReceiver

extends Object

Lowest level component to pull raw UDP datagrams off the wire as fast as possible, controlled by both the bandwidth limiter and the router's throttle. If the inbound queue gets too large or packets have been waiting around too long, they are dropped. Packets should be pulled off from the queue ASAP by a `PacketHandler`

Constructor Summary
`UDPReceiver(RouterContext ctx, UDPTransport transport, DatagramSocket socket, String name)`

Method Summary
`UDPPacket` | `receiveNext()` Blocking call to retrieve the next inbound packet, or null if we have shut down.
`void` | `shutdown()`
`void` | `startup()`
`DatagramSocket` | `updateListeningPort(DatagramSocket socket, int newPort)` Replace the old listen port with the new one, returning the old.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### UDPReceiver

    public UDPReceiver(RouterContext ctx,
                       UDPTransport transport,
                       DatagramSocket socket,
                       String name)

Method Detail

### startup

    public void startup()

### shutdown

    public void shutdown()

### updateListeningPort

    public DatagramSocket updateListeningPort(DatagramSocket socket,
                                              int newPort)

  Replace the old listen port with the new one, returning the old. NOTE: this closes the old socket so that blocking calls unblock!

### receiveNext

    public UDPPacket receiveNext()

  Blocking call to retrieve the next inbound packet, or null if we have shut down.

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