PeerItempublic class PeerItem extends Object implements org.gudy.azureus2.plugins.peers.PeerDescriptor| Represents a peer item, unique by ip address + port combo.
NOTE: Overrides equals(). |
| Fields Summary |
|---|
| private final byte[] | address | | private final short | udp_port | | private final short | tcp_port | | private final byte | source | | private final int | hashcode | | private final byte | handshake | | private final byte | crypto_level | | private final short | up_speed |
| Constructors Summary |
|---|
protected PeerItem(String _address, int _tcp_port, byte _source, byte _handshake, int _udp_port, byte _crypto_level, int _up_speed)
byte[] raw;
try{
//see if we can resolve the address into a compact raw IPv4/6 byte array (4 or 16 bytes)
InetAddress ip = InetAddress.getByName( _address );
raw = ip.getAddress();
}
catch( UnknownHostException e ) {
//not a standard IPv4/6 address, so just use the full string bytes
raw = _address.getBytes();
}
address = raw;
tcp_port = (short)_tcp_port;
udp_port = (short)_udp_port;
source = _source;
hashcode = new String( address ).hashCode() + tcp_port;
handshake = _handshake;
crypto_level = _crypto_level;
up_speed = (short)_up_speed;
| protected PeerItem(byte[] _serialization, byte _source, byte _handshake, int _udp_port)
if ( _serialization.length < 6 || _serialization.length > 32){
throw( new Exception( "PeerItem: invalid serialisation length - " + _serialization.length ));
}
//extract address and port
address = new byte[ _serialization.length -2 ];
System.arraycopy( _serialization, 0, address, 0, _serialization.length -2 );
byte p0 = _serialization[ _serialization.length -2 ];
byte p1 = _serialization[ _serialization.length -1 ];
tcp_port = (short)((p1 & 0xFF) + ((p0 & 0xFF) << 8));
source = _source;
hashcode = new String( address ).hashCode() + tcp_port;
handshake = _handshake;
udp_port = (short)_udp_port;
crypto_level = PeerItemFactory.CRYPTO_LEVEL_1; // TODO: serialise this...
up_speed = 0; // TODO:...
|
| Methods Summary |
|---|
| public static byte | convertSourceID(java.lang.String source)
if( source.equals( PEPeerSource.PS_BT_TRACKER ) ) return PeerItemFactory.PEER_SOURCE_TRACKER;
if( source.equals( PEPeerSource.PS_DHT ) ) return PeerItemFactory.PEER_SOURCE_DHT;
if( source.equals( PEPeerSource.PS_OTHER_PEER ) ) return PeerItemFactory.PEER_SOURCE_PEER_EXCHANGE;
if( source.equals( PEPeerSource.PS_PLUGIN ) ) return PeerItemFactory.PEER_SOURCE_PLUGIN;
if( source.equals( PEPeerSource.PS_INCOMING ) ) return PeerItemFactory.PEER_SOURCE_INCOMING;
return -1;
| | public static java.lang.String | convertSourceString(byte source_id)
//we use an int to store the source text string as this class is supposed to be lightweight
switch( source_id ) {
case PeerItemFactory.PEER_SOURCE_TRACKER: return PEPeerSource.PS_BT_TRACKER;
case PeerItemFactory.PEER_SOURCE_DHT: return PEPeerSource.PS_DHT;
case PeerItemFactory.PEER_SOURCE_PEER_EXCHANGE: return PEPeerSource.PS_OTHER_PEER;
case PeerItemFactory.PEER_SOURCE_PLUGIN: return PEPeerSource.PS_PLUGIN;
case PeerItemFactory.PEER_SOURCE_INCOMING: return PEPeerSource.PS_INCOMING;
default: return "<unknown>";
}
| | public boolean | equals(java.lang.Object obj)
if( this == obj ) return true;
if( obj != null && obj instanceof PeerItem ) {
PeerItem other = (PeerItem)obj;
if( this.tcp_port == other.tcp_port &&
this.udp_port == other.udp_port &&
this.handshake == other.handshake &&
Arrays.equals( this.address, other.address ) ) return true;
}
return false;
| | public java.lang.String | getAddressString()
try{
//see if it's an IPv4/6 address (4 or 16 bytes)
return InetAddress.getByAddress( address ).getHostAddress();
}
catch( UnknownHostException e ) {
//not a standard IPv4/6 address, so just return as full string
return new String( address );
}
| | public byte | getCryptoLevel() return crypto_level;
| | public byte | getHandshakeType() return handshake;
| | public java.lang.String | getIP()
return( getAddressString());
| | public byte[] | getSerialization()
//combine address and port bytes into one
byte[] full_address = new byte[ address.length +2 ];
System.arraycopy( address, 0, full_address, 0, address.length );
full_address[ address.length ] = (byte)(tcp_port >> 8);
full_address[ address.length +1 ] = (byte)(tcp_port & 0xff);
return full_address;
| | public byte | getSource() return source;
| | public int | getTCPPort() return tcp_port&0xffff;
| | public int | getUDPPort() return udp_port&0xffff;
| | public int | hashCode() return hashcode;
|
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