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*) first version of Peerload-graphic

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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3469 6c8d7289-2bf4-0310-a012-ef5d649a1542
This commit is contained in:
auron_x 2007-03-11 17:04:11 +00:00
parent 432d7d4e9c
commit 22fe14f292
2 changed files with 150 additions and 2 deletions
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29
htroot/PeerLoadPicture.java Normal file
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@ -0,0 +1,29 @@
import java.awt.Image;
import de.anomic.http.httpHeader;
import de.anomic.plasma.plasmaGrafics;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
public class PeerLoadPicture {
public static Image respond(httpHeader header, serverObjects post, 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");
}
//too small values lead to an error, too big to huge CPU/memory consumption, resulting in possible DOS.
if (width < 400 ) width = 400;
if (width > 1920) width = 1920;
if (height < 300) height = 300;
if (height > 1440) height = 1440;
return plasmaGrafics.getPeerLoadPicture(5000, width, height, showidle);
}
}

123
source/de/anomic/plasma/plasmaGrafics.java
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@ -45,10 +45,14 @@
package de.anomic.plasma;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.util.Date;
import java.util.Enumeration;
import java.util.Iterator;
import de.anomic.server.serverThread;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySearch;
import de.anomic.yacy.yacySeed;
@ -76,8 +80,35 @@ public class plasmaGrafics {
private static final String COL_WE_LINE = "b0f0f0";
private static final String COL_WE_TEXT = "f0f0f0";
private static ymageMatrix networkPicture = null;
private static long networkPictureDate = 0;
private static final Color COL_BORDER = new Color( 0, 0, 0);
private static final Color COL_NORMAL_TEXT = new Color( 0, 0, 0);
private static final Color COL_LOAD_BG = new Color(247, 247, 247);
private static final int CIRCLE_PIECE_COUNT = 6;
private static final String[] CIRCLE_PIECE_NAMES = {
"Idle",
"Stacking",
"Parsing/Indexing",
"DHT-Distribution",
"YaCy Core",
"Misc."
};
private static final Color[] CIRCLE_PIECE_COLORS = {
new Color(170, 255, 170),
new Color(115, 200, 210),
new Color(255, 130, 0),
new Color(119, 136, 153),
new Color(255, 230, 160),
new Color(190, 50, 180)
};
private static final int LEGEND_BOX_SIZE = 10;
private static ymageMatrix networkPicture = null;
private static long networkPictureDate = 0;
private static BufferedImage peerloadPicture = null;
private static long peerloadPictureDate = 0;
public static ymageMatrix getSearchEventPicture() {
if (plasmaSearchEvent.lastEvent == null) return null;
@ -257,5 +288,93 @@ public class plasmaGrafics {
}
}
}
public static BufferedImage getPeerLoadPicture(long maxAge, int width, int height, boolean showidle) {
if ((peerloadPicture == null) || ((System.currentTimeMillis() - peerloadPictureDate) > maxAge)) {
drawPeerLoadPicture(width, height, showidle);
}
return peerloadPicture;
}
private static void drawPeerLoadPicture(int width, int height, boolean showidle) {
//prepare image
peerloadPicture = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);
Graphics2D g = peerloadPicture.createGraphics();
g.setBackground(COL_LOAD_BG);
g.clearRect(0,0,width,height);
plasmaSwitchboard sb = plasmaSwitchboard.getSwitchboard();
Iterator threads = sb.threadNames();
String threadname;
serverThread thread;
long busy_time = 0;
long[] thread_times = new long[CIRCLE_PIECE_COUNT];
//Iterate over threads
while (threads.hasNext()) {
threadname = (String)threads.next();
thread = sb.getThread(threadname);
//count total times
busy_time += thread.getBlockTime();
busy_time += thread.getExecTime();
if(showidle) thread_times[0] += thread.getSleepTime();
//count threadgroup-specific times
if(threadname.equals(plasmaSwitchboard.CRAWLSTACK)) {
thread_times[1] += thread.getBlockTime()+thread.getExecTime();
} else if(threadname.equals(plasmaSwitchboard.INDEXER)) {
thread_times[2] = thread.getBlockTime()+thread.getExecTime();
} else if(threadname.equals(plasmaSwitchboard.INDEX_DIST)) {
thread_times[3] = thread.getBlockTime()+thread.getExecTime();
} else if(threadname.equals(plasmaSwitchboard.PEER_PING)) {
thread_times[4] = thread.getBlockTime()+thread.getExecTime();
} else {
thread_times[5] += thread.getBlockTime()+thread.getExecTime();
}
}
int[] piece_angles = new int[CIRCLE_PIECE_COUNT];
//calculate angles
for(int i=0;i<CIRCLE_PIECE_COUNT;++i)
piece_angles[i] = (int)Math.round(360f*((float)thread_times[i]/(float)(busy_time+thread_times[0])));
int circ_w = Math.min(width,height)-20; //width of the circle (r*2)
int circ_x = width-circ_w-10; //x-coordinate of circle-left
int circ_y = 10; //y-coordinate of circle-top
//draw the pieces of the circle
int curr_arc = 0; //remember current angle
for(int i=showidle?0:1;i<CIRCLE_PIECE_COUNT;++i) {
g.setColor(CIRCLE_PIECE_COLORS[i]);
g.fillArc(circ_x, circ_y, circ_w, circ_w, curr_arc, piece_angles[i]);
curr_arc += piece_angles[i];
}
//FIXME: better method to avoid gaps on rounding-differences?
g.fillArc(circ_x, circ_y, circ_w, circ_w, curr_arc, 360-curr_arc);
//draw border around the circle
g.setColor(COL_BORDER);
g.drawArc(circ_x, circ_y, circ_w, circ_w, 0, 360);
for(int i=showidle?0:1;i<CIRCLE_PIECE_COUNT;++i)
drawLegendLine(g, 5, height-15*(i+1), CIRCLE_PIECE_NAMES[i], CIRCLE_PIECE_COLORS[i]);
peerloadPictureDate = System.currentTimeMillis();
}
private static void drawLegendLine(Graphics2D g, int x, int y, String caption, Color item_color) {
g.setColor(item_color);
g.fillRect(x, y-LEGEND_BOX_SIZE, LEGEND_BOX_SIZE, LEGEND_BOX_SIZE);
g.setColor(COL_BORDER);
g.drawRect(x, y-LEGEND_BOX_SIZE, LEGEND_BOX_SIZE, LEGEND_BOX_SIZE);
g.setColor(COL_NORMAL_TEXT);
g.drawChars(caption.toCharArray(), 0, caption.length(), x+LEGEND_BOX_SIZE+5,y);
}
}