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- /*
- * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.addons.lagdisplay;
-
- import com.dmdirc.FrameContainer;
- import com.dmdirc.Main;
- import com.dmdirc.Server;
- import com.dmdirc.ServerState;
- import com.dmdirc.actions.ActionManager;
- import com.dmdirc.actions.interfaces.ActionType;
- import com.dmdirc.actions.CoreActionType;
- import com.dmdirc.config.ConfigManager;
- import com.dmdirc.config.IdentityManager;
- import com.dmdirc.config.prefs.PreferencesCategory;
- import com.dmdirc.config.prefs.PreferencesManager;
- import com.dmdirc.config.prefs.PreferencesSetting;
- import com.dmdirc.config.prefs.PreferencesType;
- import com.dmdirc.interfaces.ActionListener;
- import com.dmdirc.interfaces.ConfigChangeListener;
- import com.dmdirc.plugins.Plugin;
- import com.dmdirc.ui.WindowManager;
- import com.dmdirc.ui.interfaces.Window;
- import com.dmdirc.util.RollingList;
-
- import java.util.Date;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.WeakHashMap;
-
- /**
- * Displays the current server's lag in the status bar.
- * @author chris
- */
- public final class LagDisplayPlugin extends Plugin implements ActionListener, ConfigChangeListener {
-
- /** The panel we use in the status bar. */
- private final LagDisplayPanel panel = new LagDisplayPanel(this);
-
- /** A cache of ping times. */
- private final Map<Server, String> pings = new WeakHashMap<Server, String>();
-
- /** Ping history. */
- private final Map<Server, RollingList<Long>> history
- = new HashMap<Server, RollingList<Long>>();
-
- /** Whether or not to show a graph in the info popup. */
- private boolean showGraph = true;
-
- /** Whether or not to show labels on that graph. */
- private boolean showLabels = true;
-
- /** The length of history to keep per-server. */
- private int historySize = 100;
-
- /** Creates a new instance of LagDisplayPlugin. */
- public LagDisplayPlugin() {
- super();
- }
-
- /** {@inheritDoc} */
- @Override
- public void onLoad() {
- Main.getUI().getStatusBar().addComponent(panel);
- IdentityManager.getGlobalConfig().addChangeListener(getDomain(), this);
-
- readConfig();
-
- ActionManager.addListener(this, CoreActionType.SERVER_GOTPING,
- CoreActionType.SERVER_NOPING, CoreActionType.CLIENT_FRAME_CHANGED,
- CoreActionType.SERVER_DISCONNECTED, CoreActionType.SERVER_PINGSENT,
- CoreActionType.SERVER_NUMERIC);
- }
-
- /**
- * Reads the plugin's global configuration settings.
- */
- protected void readConfig() {
- final ConfigManager manager = IdentityManager.getGlobalConfig();
- showGraph = manager.getOptionBool(getDomain(), "graph");
- showLabels = manager.getOptionBool(getDomain(), "labels");
- historySize = manager.getOptionInt(getDomain(), "history");
- }
-
- /**
- * Retrieves the history of the specified server. If there is no history,
- * a new list is added to the history map and returned.
- *
- * @param server The server whose history is being requested
- * @return The history for the specified server
- */
- protected RollingList<Long> getHistory(final Server server) {
- if (!history.containsKey(server)) {
- history.put(server, new RollingList<Long>(historySize));
- }
-
- return history.get(server);
- }
-
- /**
- * Determines if the {@link ServerInfoDialog} should show a graph of the
- * ping time for the current server.
- *
- * @return True if a graph should be shown, false otherwise
- */
- public boolean shouldShowGraph() {
- return showGraph;
- }
-
- /**
- * Determines if the {@link PingHistoryPanel} should show labels on selected
- * points.
- *
- * @return True if labels should be shown, false otherwise
- */
- public boolean shouldShowLabels() {
- return showLabels;
- }
-
- /** {@inheritDoc} */
- @Override
- public void onUnload() {
- Main.getUI().getStatusBar().removeComponent(panel);
- IdentityManager.getConfigIdentity().removeListener(this);
-
- ActionManager.removeListener(this);
- }
-
- /** {@inheritDoc} */
- @Override
- public void processEvent(final ActionType type, final StringBuffer format,
- final Object... arguments) {
- boolean useAlternate = false;
-
- for (Object obj : arguments) {
- if (obj instanceof FrameContainer
- && ((FrameContainer) obj).getConfigManager() != null) {
- useAlternate = ((FrameContainer) obj).getConfigManager()
- .getOptionBool(getDomain(), "usealternate");
- break;
- }
- }
-
- if (!useAlternate && type.equals(CoreActionType.SERVER_GOTPING)) {
- final Window active = WindowManager.getActiveWindow();
- final String value = formatTime(arguments[1]);
-
- getHistory(((Server) arguments[0])).add((Long) arguments[1]);
- pings.put(((Server) arguments[0]), value);
-
- if (((Server) arguments[0]).ownsFrame(active)) {
- panel.setText(value);
- }
-
- panel.refreshDialog();
- } else if (!useAlternate && type.equals(CoreActionType.SERVER_NOPING)) {
- final Window active = WindowManager.getActiveWindow();
- final String value = formatTime(arguments[1]) + "+";
-
- pings.put(((Server) arguments[0]), value);
-
- if (((Server) arguments[0]).ownsFrame(active)) {
- panel.setText(value);
- }
-
- panel.refreshDialog();
- } else if (type.equals(CoreActionType.SERVER_DISCONNECTED)) {
- final Window active = WindowManager.getActiveWindow();
-
- if (((Server) arguments[0]).ownsFrame(active)) {
- panel.setText("Not connected");
- pings.remove(arguments[0]);
- }
-
- panel.refreshDialog();
- } else if (type.equals(CoreActionType.CLIENT_FRAME_CHANGED)) {
- final FrameContainer source = (FrameContainer) arguments[0];
- if (source.getServer() == null) {
- panel.setText("Unknown");
- } else if (source.getServer().getState() != ServerState.CONNECTED) {
- panel.setText("Not connected");
- } else {
- panel.setText(getTime(source.getServer()));
- }
-
- panel.refreshDialog();
- } else if (useAlternate && type.equals(CoreActionType.SERVER_PINGSENT)) {
- ((Server) arguments[0]).getParser().sendRawMessage("LAGCHECK_" + new Date().getTime());
- } else if (useAlternate && type.equals(CoreActionType.SERVER_NUMERIC)
- && ((Integer) arguments[1]).intValue() == 421
- && ((String[]) arguments[2])[3].startsWith("LAGCHECK_")) {
- try {
- final long sent = Long.parseLong(((String[]) arguments[2])[3].substring(9));
- final Long duration = Long.valueOf(new Date().getTime() - sent);
- final String value = formatTime(duration);
- final Window active = WindowManager.getActiveWindow();
-
- pings.put((Server) arguments[0], value);
- getHistory(((Server) arguments[0])).add(duration);
-
- if (((Server) arguments[0]).ownsFrame(active)) {
- panel.setText(value);
- }
- } catch (NumberFormatException ex) {
- pings.remove((Server) arguments[0]);
- }
-
- if (format != null) {
- format.delete(0, format.length());
- }
-
- panel.refreshDialog();
- }
- }
-
- /**
- * Retrieves the ping time for the specified server.
- *
- * @param server The server whose ping time is being requested
- * @return A String representation of the current lag, or "Unknown"
- */
- public String getTime(final Server server) {
- return pings.get(server) == null ? "Unknown" : pings.get(server);
- }
-
- /**
- * Formats the specified time so it's a nice size to display in the label.
- * @param object An uncast Long representing the time to be formatted
- * @return Formatted time string
- */
- protected String formatTime(final Object object) {
- final Long time = (Long) object;
-
- if (time >= 10000) {
- return Math.round(time / 1000.0) + "s";
- } else {
- return time + "ms";
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public void showConfig(final PreferencesManager manager) {
- final PreferencesCategory cat = new PreferencesCategory("Lag display plugin",
- "");
- cat.addSetting(new PreferencesSetting(PreferencesType.BOOLEAN,
- getDomain(), "usealternate",
- "Alternate method", "Use an alternate method of determining "
- + "lag which bypasses bouncers or proxies that may reply?"));
- cat.addSetting(new PreferencesSetting(PreferencesType.BOOLEAN,
- getDomain(), "graph", "Show graph", "Show a graph of ping times " +
- "for the current server in the information popup?"));
- cat.addSetting(new PreferencesSetting(PreferencesType.BOOLEAN,
- getDomain(), "labels", "Show labels", "Show labels on selected " +
- "points on the ping graph?"));
- cat.addSetting(new PreferencesSetting(PreferencesType.INTEGER,
- getDomain(), "history", "Graph points", "Number of data points " +
- "to plot on the graph, if enabled."));
- manager.getCategory("Plugins").addSubCategory(cat);
- }
-
- /** {@inheritDoc} */
- @Override
- public void configChanged(final String domain, final String key) {
- readConfig();
- }
- }
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