SOCKSUDPWrapper | Javadocs [I2P+]

java.lang.Object

net.i2p.i2ptunnel.socks.SOCKSUDPWrapper

All Implemented Interfaces:: Sink, Source

public class SOCKSUDPWrapperextends Object implements Source, Sink

Put a SOCKS header on a datagram Ref: RFC 1928.

Field Summary
Fields
Modifier and Type
Field
Description
private final Map<I2PSocketAddress, SOCKSHeader>
cache
Headers remembered for each peer address
private Sink
sink
Where the wrapped datagram is sent.
Constructor Summary
Constructors
Constructor
Description
SOCKSUDPWrapper(Map<I2PSocketAddress, SOCKSHeader> cache)
Create a wrapper sharing an existing per-destination header cache.
Method Summary
All Methods
Modifier and Type
Method
Description
void
send(Destination from, int fromPort, int toPort, byte[] data)
Use the cached header, which should have the host string and port
void
setSink(Sink sink)
Sets the sink for outgoing wrapped UDP datagrams.
void
start()
Starts the wrapper.
Methods inherited from class Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- sink
  private Sink sink
  Where the wrapped datagram is sent.
- cache
  private final Map<I2PSocketAddress, SOCKSHeader> cache
  Headers remembered for each peer address
Constructor Details
- SOCKSUDPWrapper
  public SOCKSUDPWrapper(Map<I2PSocketAddress, SOCKSHeader> cache)
  Create a wrapper sharing an existing per-destination header cache.
  Parameters:
  cache - the header cache to reuse for outgoing datagrams, keyed by destination address
Method Details
- setSink
  public void setSink(Sink sink)
  Sets the sink for outgoing wrapped UDP datagrams.
  Specified by:
  setSink in interface Source
  Parameters:
  sink - the sink to receive SOCKS-wrapped datagrams
- start
  public void start()
  Starts the wrapper. No-op for this implementation.
  Specified by:
  start in interface Source
- send
  public void send(Destination from, int fromPort, int toPort, byte[] data)
  Use the cached header, which should have the host string and port
  May throw RuntimeException from underlying sink.
  Specified by:
  send in interface Sink
  Parameters:
  from - some implementations may ignore, may be null in some implementations
  fromPort - I2CP source port, 0-65535
  toPort - I2CP destination port, 0-65535
  data - the datagram payload to deliver to the destination
  Throws:
  RuntimeException - if the wrapped sink fails to send the data