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## net.i2p.sam
Class SAMStreamSession

    java.lang.Object
      net.i2p.sam.SAMStreamSession

Direct Known Subclasses:
  SAMv2StreamSession, SAMv3StreamSession

    public class SAMStreamSession

extends Object

SAM STREAM session class.

Author:
  human

Nested Class Summary
`protected class` | `SAMStreamSession.DisconnectListener`
`class` | `SAMStreamSession.SAMStreamSessionServer` SAM STREAM session server, running in its own thread.
`class` | `SAMStreamSession.SAMStreamSessionSocketReader` SAM STREAM socket reader, running in its own thread.
`class` | `SAMStreamSession.SAMv1StreamSessionSocketReader`
`protected class` | `SAMStreamSession.StreamSender` Lets us push data through the stream without blocking, (even after exceeding the I2PSocket's buffer)
`protected class` | `SAMStreamSession.v1StreamSender`

Field Summary
`protected boolean` | `canCreate`
`static String` | `DEFAULT_FORCE_FLUSH`
`protected boolean` | `forceFlush` should we flush every time we get a STREAM SEND, or leave that up to the streaming lib to decide?
`static String` | `PROP_FORCE_FLUSH`
`protected SAMStreamReceiver` | `recv`
`protected SAMStreamSession.SAMStreamSessionServer` | `server`
`protected static int` | `SOCKET_HANDLER_BUF_SIZE`
`protected I2PSocketManager` | `socketMgr`

Constructor Summary
`SAMStreamSession()`
`SAMStreamSession(InputStream destStream, String dir, Properties props, SAMStreamReceiver recv)` Create a new SAM STREAM session.
`SAMStreamSession(String dest, String dir, Properties props, SAMStreamReceiver recv)` Create a new SAM STREAM session.

Method Summary
`protected boolean` | `checkSocketHandlerId(int id)` Check whether a SAM STREAM session socket handler id is still in use.
`void` | `close()` Close a SAM STREAM session.
`boolean` | `closeConnection(int id)` Close a connection managed by the SAM STREAM session.
`boolean` | `connect(int id, String dest, Properties props)` Connect the SAM STREAM session to the specified Destination
`protected int` | `createSocketHandler(I2PSocket s, int id)` Create a new SAM STREAM session socket handler, detaching its thread.
`Destination` | `getDestination()` Get the SAM STREAM session Destination.
`protected SAMStreamSession.SAMStreamSessionSocketReader` | `getSocketReader(int id)` Get a SAM STREAM session socket handler.
`protected SAMStreamSession.SAMStreamSessionSocketReader` | `newSAMStreamSessionSocketReader(I2PSocket s, int id)`
`protected SAMStreamSession.StreamSender` | `newStreamSender(I2PSocket s, int id)`
`protected void` | `removeSocketHandler(int id)` Remove and gracefully close a SAM STREAM session socket handler.
`boolean` | `sendBytes(int id, InputStream in, int size)` Send bytes through a SAM STREAM session.
`(package private) boolean` | `setReceiveLimit(int id, long limit, boolean nolimit)`

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

Field Detail

### SOCKET_HANDLER_BUF_SIZE

    protected static final int SOCKET_HANDLER_BUF_SIZE

See Also:
  Constant Field Values

### recv

    protected SAMStreamReceiver recv

### server

    protected SAMStreamSession.SAMStreamSessionServer server

### socketMgr

    protected I2PSocketManager socketMgr

### canCreate

    protected boolean canCreate

### forceFlush

    protected boolean forceFlush

  should we flush every time we get a STREAM SEND, or leave that up to the streaming lib to decide?

### PROP_FORCE_FLUSH

    public static String PROP_FORCE_FLUSH

### DEFAULT_FORCE_FLUSH

    public static String DEFAULT_FORCE_FLUSH

Constructor Detail

### SAMStreamSession

    public SAMStreamSession()

### SAMStreamSession

    public SAMStreamSession(String dest,
                            String dir,
                            Properties props,
                            SAMStreamReceiver recv)
                     throws IOException,
                            DataFormatException,
                            SAMException

  Create a new SAM STREAM session.

  Parameters:
    `dest` - Base64-encoded destination (private key)
    `dir` - Session direction ("RECEIVE", "CREATE" or "BOTH")
    `props` - Properties to setup the I2P session
    `recv` - Object that will receive incoming data
  Throws:
    `IOException`
    `DataFormatException`
    `SAMException`

### SAMStreamSession

    public SAMStreamSession(InputStream destStream,
                            String dir,
                            Properties props,
                            SAMStreamReceiver recv)
                     throws IOException,
                            DataFormatException,
                            SAMException

  Create a new SAM STREAM session.

  Parameters:
    `destStream` - Input stream containing the destination keys
    `dir` - Session direction ("RECEIVE", "CREATE" or "BOTH")
    `props` - Properties to setup the I2P session
    `recv` - Object that will receive incoming data
  Throws:
    `IOException`
    `DataFormatException`
    `SAMException`

Method Detail

### getDestination

    public Destination getDestination()

  Get the SAM STREAM session Destination.

  Returns:
    The SAM STREAM session Destination.

### connect

    public boolean connect(int id,
                           String dest,
                           Properties props)
                    throws I2PException,
                           ConnectException,
                           NoRouteToHostException,
                           DataFormatException,
                           InterruptedIOException,
                           SAMInvalidDirectionException,
                           IOException

  Connect the SAM STREAM session to the specified Destination

  Parameters:
    `id` - Unique id for the connection
    `dest` - Base64-encoded Destination to connect to
    `props` - Options to be used for connection
  Returns:
    true if successful
  Throws:
    `DataFormatException` - if the destination is not valid
    `SAMInvalidDirectionException` - if trying to connect through a receive-only session
    `ConnectException` - if the destination refuses connections
    `NoRouteToHostException` - if the destination can't be reached
    `InterruptedIOException` - if the connection timeouts
    `I2PException` - if there's another I2P-related error
    `IOException`

### sendBytes

    public boolean sendBytes(int id,
                             InputStream in,
                             int size)
                      throws IOException

  Send bytes through a SAM STREAM session.

  Parameters:
    `id` - Stream Id
    `in` - Datastream input
    `size` - Count of bytes to send
  Returns:
    True if the data was queued for sending, false otherwise
  Throws:
    `IOException`

### close

    public void close()

  Close a SAM STREAM session.

### closeConnection

    public boolean closeConnection(int id)

  Close a connection managed by the SAM STREAM session.

  Parameters:
    `id` - Connection id
  Returns:
    true on success

### createSocketHandler

    protected int createSocketHandler(I2PSocket s,
                                      int id)

  Create a new SAM STREAM session socket handler, detaching its thread.

  Parameters:
    `s` - Socket to be handled
    `id` - Socket id, or 0 if it must be auto-generated
  Returns:
    An id associated to the socket handler

### getSocketReader

    protected SAMStreamSession.SAMStreamSessionSocketReader getSocketReader(int id)

  Get a SAM STREAM session socket handler.

  Parameters:
    `id` - Handler id
  Returns:
    SAM StreamSender handler

### checkSocketHandlerId

    protected boolean checkSocketHandlerId(int id)

  Check whether a SAM STREAM session socket handler id is still in use.

  Parameters:
    `id` - Handler id
  Returns:
    True if in use

### removeSocketHandler

    protected void removeSocketHandler(int id)

  Remove and gracefully close a SAM STREAM session socket handler.

  Parameters:
    `id` - Handler id to be removed

### setReceiveLimit

    boolean setReceiveLimit(int id,
                            long limit,
                            boolean nolimit)

### newSAMStreamSessionSocketReader

    protected SAMStreamSession.SAMStreamSessionSocketReader newSAMStreamSessionSocketReader(I2PSocket s,
                                                                                            int id)
                                                                                     throws IOException

  Throws:
    `IOException`

### newStreamSender

    protected SAMStreamSession.StreamSender newStreamSender(I2PSocket s,
                                                            int id)
                                                     throws IOException

  Throws:
    `IOException`

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