import java.awt.Color; import java.awt.Image; import java.util.HashMap; import java.util.Iterator; import net.yacy.cora.protocol.RequestHeader; import net.yacy.kelondro.workflow.BusyThread; import de.anomic.search.SwitchboardConstants; import de.anomic.server.serverObjects; import de.anomic.server.serverSwitch; import de.anomic.yacy.graphics.NetworkGraph; import de.anomic.yacy.graphics.NetworkGraph.CircleThreadPiece; public class PeerLoadPicture { public static Image respond(final RequestHeader header, final serverObjects post, final serverSwitch env) { int width = 800; int height = 600; boolean showidle = true; if (post != null) { width = post.getInt("width", 800); height = post.getInt("height", 600); showidle = post.get("showidle", "true").equals("true"); } final CircleThreadPiece idle = new CircleThreadPiece("Idle", new Color(170, 255, 170)); final CircleThreadPiece misc = new CircleThreadPiece("Misc.", new Color(190, 50, 180)); final HashMap pieces = new HashMap(); pieces.put(null, idle); pieces.put(SwitchboardConstants.INDEX_DIST, new CircleThreadPiece("DHT-Distribution", new Color(119, 136, 153))); pieces.put(SwitchboardConstants.PEER_PING, new CircleThreadPiece("YaCy Core", new Color(255, 230, 160))); final Iterator threads = env.threadNames(); String threadname; BusyThread thread; long busy_time = 0; //Iterate over threads while (threads.hasNext()) { threadname = threads.next(); thread = env.getThread(threadname); //count total times busy_time += thread.getBlockTime(); busy_time += thread.getExecTime(); if (showidle) idle.addExecTime(thread.getSleepTime()); //count threadgroup-specific times final CircleThreadPiece piece = pieces.get(threadname); if (piece == null) { misc.addExecTime(thread.getBlockTime()+thread.getExecTime()); } else { piece.addExecTime(thread.getBlockTime()+thread.getExecTime()); } } busy_time += idle.getExecTime(); // set respective angles final Iterator it = pieces.values().iterator(); CircleThreadPiece current; while (it.hasNext()) { current = it.next(); current.setFraction(busy_time); //remove unneccessary elements if(current.getAngle() == 0) it.remove(); } misc.setFraction(busy_time); // too small values lead to an error, too big to huge CPU/memory consumption, // resulting in possible DOS. if (width < 40) width = 40; if (width > 1920) width = 1920; if (height < 30) height = 30; if (height > 1440) height = 1440; return NetworkGraph.getPeerLoadPicture( 5000, width, height, pieces.values().toArray(new CircleThreadPiece[pieces.size()]), misc ); } }