Examples of freenet.io.comm.FreenetInetAddress

freenet.io.comm.FreenetInetAddress
Long-term InetAddress. If created with an IP address, then the IP address is primary. If created with a name, then the name is primary, and the IP address can change. Most code ripped from Peer. Propagates the IP address on equals() but not the hostname. This does not change hashCode() because it only happens if hostname is set, and in that case, hashCode() is based on the hostname and not on the IP address. So it is safe to put FreenetInetAddress's into hashtables: neither equals() nor getAddress() will change its hashCode. BUT a FreenetInetAddress with IP 1.2.3.4 and no hostname is *NOT* equal to one with the IP address and no name. So if you want to match on only the IP address, you need to either call dropHostname() first (after which neither propagation nor getAddress() will change the hashcode), or just use InetAddress's. FIXME reconsider whether we need this. The lazy lookup is useful but not THAT useful, and we have a regular lookup task now anyway. Over-complex, could lead to odd bugs, although not if used correctly as explained above. @author amphibian

  }


  public InetAddress[] getInetAddresses() {
    ArrayList<InetAddress> v = new ArrayList<InetAddress>();
    for(Peer peer: getHandshakeIPs()) {
      FreenetInetAddress fa = peer.getFreenetAddress().dropHostname();
      if(fa == null) continue;
      InetAddress ia = fa.getAddress();
      if(v.contains(ia)) continue;
      v.add(ia);
    }
    if(v.isEmpty()) {
      Logger.error(this, "No valid addresses for seed node "+this);

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        Logger.minor(this, "2: maybeUpdateHandshakeIPs got a result of: " + handshakeIPsToString());
      return;
    }


    // Hack for two nodes on the same IP that can't talk over inet for routing reasons
    FreenetInetAddress localhost = node.fLocalhostAddress;
    Peer[] nodePeers = outgoingMangler.getPrimaryIPAddress();


    List<Peer> localPeers = null;
    synchronized(this) {
      localPeers = new ArrayList<Peer>(nominalPeer);
    }


    boolean addedLocalhost = false;
    Peer detectedDuplicate = null;
    for(Peer p: myNominalPeer) {
      if(p == null)
        continue;
      if(localDetectedPeer != null) {
        if((p != localDetectedPeer) && p.equals(localDetectedPeer)) {
          // Equal but not the same object; need to update the copy.
          detectedDuplicate = p;
        }
      }
      FreenetInetAddress addr = p.getFreenetAddress();
      if(addr.equals(localhost)) {
        if(addedLocalhost)
          continue;
        addedLocalhost = true;
      }
      for(Peer nodePeer: nodePeers) {
        // REDFLAG - Two lines so we can see which variable is null when it NPEs
        FreenetInetAddress myAddr = nodePeer.getFreenetAddress();
        if(myAddr.equals(addr)) {
          if(!addedLocalhost)
            localPeers.add(new Peer(localhost, p.getPort()));
          addedLocalhost = true;
        }
      }

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    }
    long loopTime1 = System.currentTimeMillis();
    List<Peer> validIPs = new ArrayList<Peer>(localHandshakeIPs.length);
    boolean allowLocalAddresses = allowLocalAddresses();
    for(Peer peer: localHandshakeIPs) {
      FreenetInetAddress addr = peer.getFreenetAddress();
      if(peer.getAddress(false) == null) {
        if(logMINOR) Logger.minor(this, "Not sending handshake to "+peer+" for "+getPeer()+" because the DNS lookup failed or it's a currently unsupported IPv6 address");
        continue;
      }
      if(!peer.isRealInternetAddress(false, false, allowLocalAddresses)) {

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  /** Does this PeerNode match the given IP address? 
   * @param strict If true, only match if the IP is actually in use. If false,
   * also match from nominal IP addresses and domain names etc. */
  public synchronized boolean matchesIP(FreenetInetAddress addr, boolean strict) {
    if(detectedPeer != null) {
      FreenetInetAddress a = detectedPeer.getFreenetAddress();
      if(a != null) {
        if(strict ? a.equals(addr) : a.laxEquals(addr))
          return true;
      }
    }
    if((!strict) && nominalPeer != null) {
      for(Peer p : nominalPeer) {
        if(p == null) continue;
        FreenetInetAddress a = p.getFreenetAddress();
        if(a == null) continue;
        if(a.laxEquals(addr)) return true;
      }
    }
    return false;
  }

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    for(PeerNode p: peers) {
      if(p.isDisabled()) continue;
      // Don't count localhost, LAN addresses.
      Peer peer = p.getPeer();
      if(peer == null) continue;
      FreenetInetAddress a = peer.getFreenetAddress();
      if(a == null) continue; // Not much chance of connecting.
      InetAddress addr = a.getAddress(false);
      if(addr != null) {
        if(!IPUtil.isValidAddress(addr, false)) continue;
      }
      boolean skip = false;
      for(FreenetInetAddress nodeAddr: nodeAddrs) {
        if(a.equals(nodeAddr)) {
          skip = true;
          break;
        }
      }
      if(skip) continue;

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    try {


    int port = config.getPort();


    FreenetInetAddress bindto = config.getBindTo();


    UdpSocketHandler u = null;


    if(port > 65535) {
      throw new NodeInitException(NodeInitException.EXIT_IMPOSSIBLE_USM_PORT, "Impossible port number: "+port);
    } else if(port == -1) {
      // Pick a random port
      for(int i=0;i<200000;i++) {
        int portNo = 1024 + random.nextInt(65535-1024);
        try {
          u = new UdpSocketHandler(portNo, bindto.getAddress(), node, startupTime, getTitle(portNo), node.collector);
          port = u.getPortNumber();
          break;
        } catch (Exception e) {
          Logger.normal(this, "Could not use port: "+bindto+ ':' +portNo+": "+e, e);
          System.err.println("Could not use port: "+bindto+ ':' +portNo+": "+e);
          e.printStackTrace();
          continue;
        }
      }
      if(u == null)
        throw new NodeInitException(NodeInitException.EXIT_NO_AVAILABLE_UDP_PORTS, "Could not find an available UDP port number for FNP (none specified)");
    } else {
      try {
        u = new UdpSocketHandler(port, bindto.getAddress(), node, startupTime, getTitle(port), node.collector);
      } catch (Exception e) {
        Logger.error(this, "Caught "+e, e);
        System.err.println(e);
        e.printStackTrace();
        throw new NodeInitException(NodeInitException.EXIT_IMPOSSIBLE_USM_PORT, "Could not bind to port: "+port+" (node already running?)");

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