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/**
* AccessPicture_p
* Copyright 2011 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
* First released 18.02.2010 at http://yacy.net
*
* $LastChangedDate: 2010-06-16 17:11:21 +0200 (Mi, 16 Jun 2010) $
* $LastChangedRevision: 6922 $
* $LastChangedBy: orbiter $
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
import java.util.ConcurrentModificationException;
import java.util.Date;
import java.util.Iterator;
import java.util.Set;
import net.yacy.cora.protocol.ConnectionInfo;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.search.Switchboard;
import net.yacy.server.serverAccessTracker;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
import net.yacy.visualization.HexGridPlotter;
import net.yacy.visualization.PrintTool;
import net.yacy.visualization.RasterPlotter;
public class AccessPicture_p {
private static int[] times = new int[]{60000, 50000, 40000, 30000, 20000, 10000, 1000};
public static RasterPlotter respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
String color_text = "AAAAAA";
String color_back = "FFFFFF";
String color_grid = "333333";
String color_dot = "33CC33";
String color_line = "555555";
int width = 1024;
int height = 576;
int cellsize = 18;
boolean corona = false;
int coronaangle = 0;
if (post != null) {
width = post.getInt("width", 1024);
height = post.getInt("height", 576);
cellsize = post.getInt("cellsize", cellsize);
color_text = post.get("colortext", color_text);
color_back = post.get("colorback", color_back);
color_grid = post.get("colorgrid", color_grid);
color_dot = post.get("colordot", color_dot);
color_line = post.get("colorline", color_line);
corona = !post.containsKey("corona") || post.getBoolean("corona");
coronaangle = (corona) ? post.getInt("coronaangle", 0) : -1;
}
if (coronaangle < 0) corona = false;
// too small values lead to an error, too big to huge CPU/memory consumption, resulting in possible DOS.
if (width < 32 ) width = 32;
if (width > 10000) width = 10000;
if (height < 24) height = 24;
if (height > 10000) height = 10000;
final RasterPlotter.DrawMode drawMode = (RasterPlotter.darkColor(color_back)) ? RasterPlotter.DrawMode.MODE_ADD : RasterPlotter.DrawMode.MODE_SUB;
final HexGridPlotter picture = new HexGridPlotter(width, height, drawMode, color_back, cellsize);
picture.drawGrid(color_grid);
// calculate dimensions for left and right column
final int gridLeft = 0;
int gridRight = picture.gridWidth() - 2;
if ((gridRight & 1) == 0) gridRight--;
// draw home peer
final int centerx = (picture.gridWidth() >> 1) - 1;
final int centery = picture.gridHeight() >> 1;
long color_dot_l = Long.parseLong(color_dot, 16);
long color_text_l = Long.parseLong(color_text, 16);
long color_line_l = Long.parseLong(color_line, 16);
long color_grid_l = Long.parseLong(color_grid, 16);
picture.setColor(color_dot_l);
picture.gridDot(centerx, centery, 5, true, 100);
if (corona) {
for (int i = 0; i < 6; i++) {
picture.gridDot(centerx, centery, 50, i * 60 + coronaangle / 6, i * 60 + 30 + coronaangle / 6);
}
} else {
picture.gridDot(centerx, centery, 50, false, 100);
}
//picture.gridDot(centerx, centery, 31, false);
picture.setColor(color_text_l);
picture.gridPrint(centerx, centery, 5, "THIS YACY PEER", "\"" + sb.peers.myName().toUpperCase() + "\"", 0, 100);
// left column: collect data for access from outside
final int verticalSlots = (picture.gridHeight() >> 1) - 1;
final String[] hosts = new String[verticalSlots];
final int[] time = new int[verticalSlots];
final int[] count = new int[verticalSlots];
for (int i = 0; i < verticalSlots; i++) {hosts[i] = null; time[i] = 0; count[i] = 0;}
String host;
int c, h;
for (final int time2 : times) {
final Iterator<String> i = serverAccessTracker.accessHosts();
try {
while (i.hasNext()) {
host = i.next();
c = serverAccessTracker.latestAccessCount(host, time2);
if (c > 0) {
h = (Math.abs(host.hashCode())) % hosts.length;
hosts[h] = host;
count[h] = c;
time[h] = time2;
}
}
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
}
}
// draw left column: access from outside
for (int i = 0; i < hosts.length; i++) {
if (hosts[i] != null) {
picture.setColor(color_dot_l);
picture.gridDot(gridLeft, i * 2 + 1, 7, false, 100);
picture.gridDot(gridLeft, i * 2 + 1, 8, false, 100);
picture.setColor(color_text_l);
picture.gridPrint(gridLeft, i * 2 + 1, 8, hosts[i].toUpperCase(), "COUNT = " + count[i] + ", TIME > " + ((time[i] >= 60000) ? ((time[i] / 60000) + " MINUTES") : ((time[i] / 1000) + " SECONDS")), -1, 100);
if (corona) {
picture.gridLine((centerx - gridLeft) / 2 - 2, i * 2 + 1, gridLeft, i * 2 + 1,
color_line, 100, "AAAAAA", 100, 12, 11 - coronaangle / 30, 0, true);
picture.gridLine(centerx, centery, (centerx - gridLeft) / 2 - 2, i * 2 + 1,
color_line, 100, "AAAAAA", 100, 12, 11 - coronaangle / 30, 0, true);
} else {
picture.setColor(color_line_l);
picture.gridLine(gridLeft, i * 2 + 1, (centerx - gridLeft) / 2, i * 2 + 1);
picture.gridLine(centerx, centery, (centerx - gridLeft) / 2, i * 2 + 1);
}
}
}
// right column: collect data for access to outside
for (int i = 0; i < verticalSlots; i++) {hosts[i] = null; time[i] = 0; count[i] = 0;}
final Set<ConnectionInfo> allConnections = ConnectionInfo.getAllConnections();
c = 0;
synchronized (allConnections) {
for (final ConnectionInfo conInfo: allConnections) {
host = conInfo.getTargetHost();
h = (Math.abs(host.hashCode())) % hosts.length;
hosts[h] = host + " - " + conInfo.getCommand();
count[h] = (int) conInfo.getUpbytes();
time[h] = (int) conInfo.getLifetime();
}
}
// draw right column: access to outside
for (int i = 0; i < hosts.length; i++) {
if (hosts[i] != null) {
picture.setColor(color_dot_l);
picture.gridDot(gridRight, i * 2 + 1, 7, false, 100);
picture.gridDot(gridRight, i * 2 + 1, 8, false, 100);
picture.setColor(color_text_l);
picture.gridPrint(gridRight, i * 2 + 1, 8, hosts[i].toUpperCase(), count[i] + " BYTES, " + time[i] + " MS DUE", 1, 100);
if (corona) {
picture.gridLine(gridRight, i * 2 + 1, centerx + (gridRight - centerx) / 2 + 2, i * 2 + 1,
color_line, 100, "AAAAAA", 100, 12, 11 - coronaangle / 30, 0, true);
picture.gridLine(centerx, centery, centerx + (gridRight - centerx) / 2 + 2, i * 2 + 1,
color_line, 100, "AAAAAA", 100, 12, coronaangle / 30, 0, true);
} else {
picture.setColor(color_line_l);
picture.gridLine(gridRight, i * 2 + 1, centerx + (gridRight - centerx) / 2, i * 2 + 1);
picture.gridLine(centerx, centery, centerx + (gridRight - centerx) / 2, i * 2 + 1);
}
}
}
// print headline
picture.setColor(color_text_l);
PrintTool.print(picture, 2, 6, 0, "YACY NODE ACCESS GRID", -1, 100);
PrintTool.print(picture, width - 2, 6, 0, "SNAPSHOT FROM " + new Date().toString().toUpperCase(), 1, 80);
// print legend
picture.setColor(color_grid_l);
picture.gridLine(gridLeft, 0, centerx - 3, 0);
picture.gridLine(gridLeft, 0, gridLeft, picture.gridHeight() - 1);
picture.gridLine(centerx - 3, 0, centerx - 3, picture.gridHeight() - 1);
picture.setColor(color_dot_l);
picture.gridLine(gridLeft, picture.gridHeight() - 1, centerx - 3, picture.gridHeight() - 1);
picture.gridPrint(gridLeft, picture.gridHeight() - 1, 8, "", "INCOMING CONNECTIONS", -1, 80);
picture.setColor(color_grid_l);
picture.gridLine(centerx + 3, 0, gridRight, 0);
picture.gridLine(centerx + 3, 0, centerx + 3, picture.gridHeight() - 1);
picture.gridLine(gridRight, 0, gridRight, picture.gridHeight() - 1);
picture.setColor(color_dot_l);
picture.gridLine(centerx + 3, picture.gridHeight() - 1, gridRight, picture.gridHeight() - 1);
picture.gridPrint(gridRight, picture.gridHeight() - 1, 8, "", "OUTGOING CONNECTIONS", 1, 80);
return picture;
}
}
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