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## org.mpisws.p2p.transport.commonapi
Class CommonAPITransportLayerImpl<Identifier extends NodeHandle>

    java.lang.Object
      org.mpisws.p2p.transport.commonapi.CommonAPITransportLayerImpl<Identifier>

All Implemented Interfaces:
  CommonAPITransportLayer<Identifier>, TransportLayer<Identifier,RawMessage>, TransportLayerCallback<Identifier,java.nio.ByteBuffer>, Destructable

    public class CommonAPITransportLayerImpl<Identifier extends NodeHandle>

extends java.lang.Object
implements CommonAPITransportLayer<Identifier>, TransportLayerCallback<Identifier,java.nio.ByteBuffer>

Field Summary
`static java.lang.String` | `DESTINATION_IDENTITY`
`protected boolean` | `destroyed`
`static java.lang.String` | `MSG_STRING`

Constructor Summary
`CommonAPITransportLayerImpl(TransportLayer<Identifier,java.nio.ByteBuffer> tl, IdFactory idFactory, RawMessageDeserializer deserializer, ErrorHandler errorHandler, Environment env)`

Method Summary
`void` | `acceptMessages(boolean b)` Toggle accepting incoming messages.
`void` | `acceptSockets(boolean b)` Toggle accepting new sockets.
`void` | `destroy()`
`Identifier` | `getLocalIdentifier()` The local node.
`void` | `incomingSocket(P2PSocket<Identifier> s)` Notification of a new socket.
`void` | `messageReceived(Identifier i, java.nio.ByteBuffer m, java.util.Map<java.lang.String,java.lang.Object> options)` Called when a new message is received.
`SocketRequestHandle<Identifier>` | `openSocket(Identifier i, SocketCallback<Identifier> deliverSocketToMe, java.util.Map<java.lang.String,java.lang.Object> options)` Open a socket to the Identifier
`MessageRequestHandle<Identifier,RawMessage>` | `sendMessage(Identifier i, RawMessage m, MessageCallback<Identifier,RawMessage> deliverAckToMe, java.util.Map<java.lang.String,java.lang.Object> options)` Send the message to the identifier
`void` | `setCallback(TransportLayerCallback<Identifier,RawMessage> callback)` Set the callback for incoming sockets/messages
`void` | `setErrorHandler(ErrorHandler<Identifier> handler)` To be notified of problems not related to an outgoing messaage/socket.

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

Field Detail

### MSG_STRING

    public static final java.lang.String MSG_STRING

See Also:
  Constant Field Values

### DESTINATION_IDENTITY

    public static final java.lang.String DESTINATION_IDENTITY

See Also:
  Constant Field Values

### destroyed

    protected boolean destroyed

Constructor Detail

### CommonAPITransportLayerImpl

    public CommonAPITransportLayerImpl(TransportLayer<Identifier,java.nio.ByteBuffer> tl,
                                       IdFactory idFactory,
                                       RawMessageDeserializer deserializer,
                                       ErrorHandler errorHandler,
                                       Environment env)

Method Detail

### acceptMessages

    public void acceptMessages(boolean b)

  Description copied from interface: `TransportLayer`
  Toggle accepting incoming messages. Useful in flow control if overwhelmed by incoming sockets. Default: true

  Specified by:
    `acceptMessages` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`

### acceptSockets

    public void acceptSockets(boolean b)

  Description copied from interface: `TransportLayer`
  Toggle accepting new sockets. Useful in flow control if overwhelmed by incoming sockets. Default: true

  Specified by:
    `acceptSockets` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`

### getLocalIdentifier

    public Identifier getLocalIdentifier()

  Description copied from interface: `TransportLayer`
  The local node.

  Specified by:
    `getLocalIdentifier` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`
  Returns:
    The local node.

### sendMessage

    public MessageRequestHandle<Identifier,RawMessage> sendMessage(Identifier i,
                                                                   RawMessage m,
                                                                   MessageCallback<Identifier,RawMessage> deliverAckToMe,
                                                                   java.util.Map<java.lang.String,java.lang.Object> options)

  Description copied from interface: `TransportLayer`
  Send the message to the identifier

  Specified by:
    `sendMessage` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`
  Parameters:
    `i` - the destination
    `m` - the message
    `deliverAckToMe` - layer dependent notification when the message is sent (can indicate placed on the wire, point-to-point acknowledgment, or end-to-end acknowledgement)
    `options` - delivery options (don't source route, encrypt etc) (may not be respected if layer cannot provide service)
  Returns:
    ability to cancel the message if no longer relevant

### messageReceived

    public void messageReceived(Identifier i,
                                java.nio.ByteBuffer m,
                                java.util.Map<java.lang.String,java.lang.Object> options)
                         throws java.io.IOException

  Description copied from interface: `TransportLayerCallback`
  Called when a new message is received.

  Specified by:
    `messageReceived` in interface `TransportLayerCallback<Identifier extends NodeHandle,java.nio.ByteBuffer>`
  Parameters:
    `i` - The node it is coming from
    `m` - the message
    `options` - describe how the message arrived (udp/tcp, encrypted etc)
  Throws:
    `java.io.IOException` - if there is a problem decoding the message

### setCallback

    public void setCallback(TransportLayerCallback<Identifier,RawMessage> callback)

  Description copied from interface: `TransportLayer`
  Set the callback for incoming sockets/messages

  Specified by:
    `setCallback` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`
  Parameters:
    `callback` - the callback for incoming sockets/messages

### setErrorHandler

    public void setErrorHandler(ErrorHandler<Identifier> handler)

  Description copied from interface: `TransportLayer`
  To be notified of problems not related to an outgoing messaage/socket. Or to be notified if a callback isn't provided.

  Specified by:
    `setErrorHandler` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`
  Parameters:
    `handler` - to be notified of problems not related to a specific messaage/socket.

### destroy

    public void destroy()

  Specified by:
    `destroy` in interface `Destructable`

### openSocket

    public SocketRequestHandle<Identifier> openSocket(Identifier i,
                                                      SocketCallback<Identifier> deliverSocketToMe,
                                                      java.util.Map<java.lang.String,java.lang.Object> options)

  Description copied from interface: `TransportLayer`
  Open a socket to the Identifier

  Specified by:
    `openSocket` in interface `TransportLayer<Identifier extends NodeHandle,RawMessage>`
  Parameters:
    `i` - who to open the socket to
    `deliverSocketToMe` - the callback when the socket is opened
    `options` - options on how to open the socket (don't source route, encrypt etc) (may not be respected if layer cannot provide service)
  Returns:
    an object to cancel opening the socket if it takes to long, or is no longer relevent

### incomingSocket

    public void incomingSocket(P2PSocket<Identifier> s)
                        throws java.io.IOException

  Description copied from interface: `TransportLayerCallback`
  Notification of a new socket.

  Specified by:
    `incomingSocket` in interface `TransportLayerCallback<Identifier extends NodeHandle,java.nio.ByteBuffer>`
  Parameters:
    `s` - the incoming socket
  Throws:
    `java.io.IOException`

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