public void mapdata(Message msg) { long now = System.currentTimeMillis(); int pktid = msg.int32(); int off = msg.uint16(); int len = msg.uint16(); Defrag fragbuf; synchronized (fragbufs) { if ((fragbuf = fragbufs.get(pktid)) == null) { fragbuf = new Defrag(len); fragbufs.put(pktid, fragbuf); } fragbuf.add(msg.blob, 8, msg.blob.length - 8, off); fragbuf.last = now; if (fragbuf.done()) { mapdata2(fragbuf.msg()); fragbufs.remove(pktid); } /* Clean up old buffers */ for (Iterator<Map.Entry<Integer, Defrag>> i = fragbufs.entrySet().iterator(); i.hasNext(); ) { Map.Entry<Integer, Defrag> e = i.next(); Defrag old = e.getValue(); if (now - old.last > 10000) i.remove(); } } }