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## net.i2p.sam
Class SAMv1Handler

    java.lang.Object
      net.i2p.sam.SAMHandler
          net.i2p.sam.SAMv1Handler

All Implemented Interfaces:
  Runnable, SAMDatagramReceiver, SAMRawReceiver, SAMStreamReceiver

Direct Known Subclasses:
  SAMv2Handler, SAMv3Handler

    public class SAMv1Handler

extends SAMHandler
implements SAMRawReceiver, SAMDatagramReceiver, SAMStreamReceiver

Class able to handle a SAM version 1 client connections.

Author:
  human

Field Summary
`protected static long` | `__id`
`protected long` | `_id`
`protected SAMDatagramSession` | `datagramSession`
`protected SAMRawSession` | `rawSession`
`protected SAMStreamSession` | `streamSession`
`protected int` | `verMajorId`
`protected int` | `verMinorId`

Fields inherited from class net.i2p.sam.SAMHandler
`bridge, i2cpProps, socket, thread, verMajor, verMinor`

Constructor Summary
`SAMv1Handler(SocketChannel s, int verMajor, int verMinor)` Create a new SAM version 1 handler.
`SAMv1Handler(SocketChannel s, int verMajor, int verMinor, Properties i2cpProps)` Create a new SAM version 1 handler.

Method Summary
`protected boolean` | `execDatagramMessage(String opcode, Properties props)`
`protected boolean` | `execDestMessage(String opcode, Properties props)`
`protected boolean` | `execNamingMessage(String opcode, Properties props)`
`protected boolean` | `execRawMessage(String opcode, Properties props)`
`protected boolean` | `execSessionMessage(String opcode, Properties props)`
`protected boolean` | `execStreamClose(Properties props)`
`protected boolean` | `execStreamConnect(Properties props)`
`protected boolean` | `execStreamMessage(String opcode, Properties props)`
`protected boolean` | `execStreamSend(Properties props)`
`protected SAMDatagramSession` | `getDatagramSession()`
`protected SAMRawSession` | `getRawSession()`
`protected SAMStreamSession` | `getStreamSession()`
`void` | `handle()` Actually handle the SAM protocol.
`(package private) SAMStreamSession` | `newSAMStreamSession(String destKeystream, String direction, Properties props)`
`void` | `notifyStreamDisconnection(int id, String result, String msg)` Notify that a connection has been closed FIXME: this interface should be cleaner
`void` | `notifyStreamIncomingConnection(int id, Destination d)` Notify about a new incoming connection
`void` | `notifyStreamOutgoingConnection(int id, String result, String msg)` Notify about a new outgoing connection
`void` | `notifyStreamSendBufferFree(int id)` Notifies that the outwards buffer is free for writing
`void` | `receiveDatagramBytes(Destination sender, byte[] data)` Send a byte array to a SAM client.
`void` | `receiveRawBytes(byte[] data)` Send a byte array to a SAM client, without informations regarding the sender.
`void` | `receiveStreamBytes(int id, ByteBuffer data)` Transmit a byte array from I2P to a SAM client.
`void` | `stopDatagramReceiving()` Stop receiving data.
`void` | `stopRawReceiving()` Stop receiving data.
`void` | `stopStreamReceiving()` Stop receiving data.
`void` | `streamSendAnswer(int id, String result, String bufferState)` Sends the result of a stream send operation
`boolean` | `verifVersion()`

Methods inherited from class net.i2p.sam.SAMHandler
`closeClientSocket, getClientSocket, getWriteLock, run, setBridge, shouldStop, startHandling, stopHandling, toString, writeBytes, writeBytes, writeString, writeString`

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

Field Detail

### verMajorId

    protected int verMajorId

### verMinorId

    protected int verMinorId

### rawSession

    protected SAMRawSession rawSession

### datagramSession

    protected SAMDatagramSession datagramSession

### streamSession

    protected SAMStreamSession streamSession

### _id

    protected long _id

### __id

    protected static volatile long __id

Constructor Detail

### SAMv1Handler

    public SAMv1Handler(SocketChannel s,
                        int verMajor,
                        int verMinor)
                 throws SAMException,
                        IOException

  Create a new SAM version 1 handler. This constructor expects that the SAM HELLO message has been still answered (and stripped) from the socket input stream.

  Parameters:
    `s` - Socket attached to a SAM client
    `verMajor` - SAM major version to manage (should be 1)
    `verMinor` - SAM minor version to manage
  Throws:
    `SAMException`
    `IOException`

### SAMv1Handler

    public SAMv1Handler(SocketChannel s,
                        int verMajor,
                        int verMinor,
                        Properties i2cpProps)
                 throws SAMException,
                        IOException

  Create a new SAM version 1 handler. This constructor expects that the SAM HELLO message has been still answered (and stripped) from the socket input stream.

  Parameters:
    `s` - Socket attached to a SAM client
    `verMajor` - SAM major version to manage (should be 1)
    `verMinor` - SAM minor version to manage
    `i2cpProps` - properties to configure the I2CP connection (host, port, etc)
  Throws:
    `SAMException`
    `IOException`

Method Detail

### getRawSession

    protected SAMRawSession getRawSession()

### getDatagramSession

    protected SAMDatagramSession getDatagramSession()

### getStreamSession

    protected SAMStreamSession getStreamSession()

### verifVersion

    public boolean verifVersion()

### handle

    public void handle()

  Description copied from class: `SAMHandler`
  Actually handle the SAM protocol.

  Specified by:
    `handle` in class `SAMHandler`

### execSessionMessage

    protected boolean execSessionMessage(String opcode,
                                         Properties props)

### newSAMStreamSession

    SAMStreamSession newSAMStreamSession(String destKeystream,
                                         String direction,
                                         Properties props)
                                   throws IOException,
                                          DataFormatException,
                                          SAMException

  Throws:
    `IOException`
    `DataFormatException`
    `SAMException`

### execDestMessage

    protected boolean execDestMessage(String opcode,
                                      Properties props)

### execNamingMessage

    protected boolean execNamingMessage(String opcode,
                                        Properties props)

### execDatagramMessage

    protected boolean execDatagramMessage(String opcode,
                                          Properties props)

### execRawMessage

    protected boolean execRawMessage(String opcode,
                                     Properties props)

### execStreamMessage

    protected boolean execStreamMessage(String opcode,
                                        Properties props)

### execStreamSend

    protected boolean execStreamSend(Properties props)

### execStreamConnect

    protected boolean execStreamConnect(Properties props)

### execStreamClose

    protected boolean execStreamClose(Properties props)

### receiveRawBytes

    public void receiveRawBytes(byte[] data)
                         throws IOException

  Description copied from interface: `SAMRawReceiver`
  Send a byte array to a SAM client, without informations regarding the sender.

  Specified by:
    `receiveRawBytes` in interface `SAMRawReceiver`
  Parameters:
    `data` - Byte array to be received
  Throws:
    `IOException`

### stopRawReceiving

    public void stopRawReceiving()

  Description copied from interface: `SAMRawReceiver`
  Stop receiving data.

  Specified by:
    `stopRawReceiving` in interface `SAMRawReceiver`

### receiveDatagramBytes

    public void receiveDatagramBytes(Destination sender,
                                     byte[] data)
                              throws IOException

  Description copied from interface: `SAMDatagramReceiver`
  Send a byte array to a SAM client.

  Specified by:
    `receiveDatagramBytes` in interface `SAMDatagramReceiver`
  Parameters:
    `sender` - Destination
    `data` - Byte array to be received
  Throws:
    `IOException`

### stopDatagramReceiving

    public void stopDatagramReceiving()

  Description copied from interface: `SAMDatagramReceiver`
  Stop receiving data.

  Specified by:
    `stopDatagramReceiving` in interface `SAMDatagramReceiver`

### streamSendAnswer

    public void streamSendAnswer(int id,
                                 String result,
                                 String bufferState)
                          throws IOException

  Description copied from interface: `SAMStreamReceiver`
  Sends the result of a stream send operation

  Specified by:
    `streamSendAnswer` in interface `SAMStreamReceiver`
  Parameters:
    `id` - Stream ID
    `result` - information
    `bufferState` - state of the buffer
  Throws:
    `IOException`

### notifyStreamSendBufferFree

    public void notifyStreamSendBufferFree(int id)
                                    throws IOException

  Description copied from interface: `SAMStreamReceiver`
  Notifies that the outwards buffer is free for writing

  Specified by:
    `notifyStreamSendBufferFree` in interface `SAMStreamReceiver`
  Parameters:
    `id` - stream ID
  Throws:
    `IOException`

### notifyStreamIncomingConnection

    public void notifyStreamIncomingConnection(int id,
                                               Destination d)
                                        throws IOException

  Description copied from interface: `SAMStreamReceiver`
  Notify about a new incoming connection

  Specified by:
    `notifyStreamIncomingConnection` in interface `SAMStreamReceiver`
  Parameters:
    `id` - New connection id
    `d` - Destination
  Throws:
    `IOException`

### notifyStreamOutgoingConnection

    public void notifyStreamOutgoingConnection(int id,
                                               String result,
                                               String msg)
                                        throws IOException

  Description copied from interface: `SAMStreamReceiver`
  Notify about a new outgoing connection

  Specified by:
    `notifyStreamOutgoingConnection` in interface `SAMStreamReceiver`
  Parameters:
    `id` - New connection id
    `result` - message result
    `msg` - Message
  Throws:
    `IOException`

### receiveStreamBytes

    public void receiveStreamBytes(int id,
                                   ByteBuffer data)
                            throws IOException

  Description copied from interface: `SAMStreamReceiver`
  Transmit a byte array from I2P to a SAM client.

  Specified by:
    `receiveStreamBytes` in interface `SAMStreamReceiver`
  Parameters:
    `id` - Connection id
    `data` - Byte array to be received
  Throws:
    `IOException`

### notifyStreamDisconnection

    public void notifyStreamDisconnection(int id,
                                          String result,
                                          String msg)
                                   throws IOException

  Description copied from interface: `SAMStreamReceiver`
  Notify that a connection has been closed FIXME: this interface should be cleaner

  Specified by:
    `notifyStreamDisconnection` in interface `SAMStreamReceiver`
  Parameters:
    `id` - Connection id
    `result` - Disconnection reason ("OK" or something else)
    `msg` - Error message, if any
  Throws:
    `IOException`

### stopStreamReceiving

    public void stopStreamReceiving()

  Description copied from interface: `SAMStreamReceiver`
  Stop receiving data.

  Specified by:
    `stopStreamReceiving` in interface `SAMStreamReceiver`

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