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- /*
- * Copyright (c) 2006-2014 DMDirc Developers
- *
- * 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.ClientModule.GlobalConfig;
- import com.dmdirc.DMDircMBassador;
- import com.dmdirc.FrameContainer;
- import com.dmdirc.ServerState;
- import com.dmdirc.addons.ui_swing.SelectionListener;
- import com.dmdirc.addons.ui_swing.components.frames.TextFrame;
- import com.dmdirc.addons.ui_swing.interfaces.ActiveFrameManager;
- import com.dmdirc.events.ServerDisconnectedEvent;
- import com.dmdirc.events.ServerGotpingEvent;
- import com.dmdirc.events.ServerNopingEvent;
- import com.dmdirc.events.ServerNumericEvent;
- import com.dmdirc.events.ServerPingsentEvent;
- import com.dmdirc.events.StatusBarComponentAddedEvent;
- import com.dmdirc.events.StatusBarComponentRemovedEvent;
- import com.dmdirc.interfaces.Connection;
- import com.dmdirc.interfaces.config.AggregateConfigProvider;
- import com.dmdirc.interfaces.config.ConfigChangeListener;
- import com.dmdirc.plugins.PluginDomain;
- import com.dmdirc.util.collections.RollingList;
-
- import java.util.Date;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.WeakHashMap;
-
- import javax.inject.Inject;
- import javax.inject.Provider;
- import javax.inject.Singleton;
-
- import net.engio.mbassy.listener.Handler;
-
- /**
- * Manages the lifecycle of the lag display plugin.
- */
- @Singleton
- public class LagDisplayManager implements ConfigChangeListener, SelectionListener {
-
- /** Event bus to receive events on. */
- private final DMDircMBassador eventBus;
- /** Active frame manager. */
- private final ActiveFrameManager activeFrameManager;
- private final Provider<LagDisplayPanel> panelProvider;
- /** The settings domain to use. */
- private final String domain;
- /** Config to read global settings from. */
- private final AggregateConfigProvider globalConfig;
- /** A cache of ping times. */
- private final Map<Connection, String> pings = new WeakHashMap<>();
- /** Ping history. */
- private final Map<Connection, RollingList<Long>> history = new HashMap<>();
- /** 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;
- /** The panel currently in use. Null before {@link #load()} or after {@link #unload()}. */
- private LagDisplayPanel panel;
-
- @Inject
- public LagDisplayManager(final DMDircMBassador eventBus,
- final ActiveFrameManager activeFrameManager,
- final Provider<LagDisplayPanel> panelProvider,
- @PluginDomain(LagDisplayPlugin.class) final String domain,
- @GlobalConfig final AggregateConfigProvider globalConfig) {
- this.eventBus = eventBus;
- this.activeFrameManager = activeFrameManager;
- this.panelProvider = panelProvider;
- this.domain = domain;
- this.globalConfig = globalConfig;
- }
-
- public void load() {
- panel = panelProvider.get();
- eventBus.publishAsync(new StatusBarComponentAddedEvent(panel));
- activeFrameManager.addSelectionListener(this);
- globalConfig.addChangeListener(domain, this);
- readConfig();
- eventBus.subscribe(this);
- }
-
- public void unload() {
- eventBus.publishAsync(new StatusBarComponentRemovedEvent(panel));
- activeFrameManager.removeSelectionListener(this);
- globalConfig.removeListener(this);
- eventBus.unsubscribe(this);
- panel = null;
- }
-
- /** Reads the plugin's global configuration settings. */
- private void readConfig() {
- showGraph = globalConfig.getOptionBool(domain, "graph");
- showLabels = globalConfig.getOptionBool(domain, "labels");
- historySize = globalConfig.getOptionInt(domain, "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 connection The connection whose history is being requested
- *
- * @return The history for the specified server
- */
- protected RollingList<Long> getHistory(final Connection connection) {
- if (!history.containsKey(connection)) {
- history.put(connection, new RollingList<Long>(historySize));
- }
- return history.get(connection);
- }
-
- /**
- * 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;
- }
-
- @Override
- public void selectionChanged(final TextFrame window) {
- final FrameContainer source = window.getContainer();
- if (source == null || source.getConnection() == null) {
- panel.getComponent().setText("Unknown");
- } else if (source.getConnection().getState() != ServerState.CONNECTED) {
- panel.getComponent().setText("Not connected");
- } else {
- panel.getComponent().setText(getTime(source.getConnection()));
- }
- panel.refreshDialog();
- }
-
- @Handler
- public void handleServerNumeric(final ServerNumericEvent event) {
- if (event.getNumeric() != 421) {
- return;
- }
- final boolean useAlternate = ((FrameContainer) event.getConnection()).getConfigManager()
- .getOptionBool(domain, "usealternate");
- final TextFrame activeFrame = activeFrameManager.getActiveFrame();
- final FrameContainer active = activeFrame == null ? null : activeFrame.getContainer();
- final boolean isActive = active != null && event.getConnection().equals(active.
- getConnection());
- final String[] args = event.getArgs();
- if (useAlternate && args[3].startsWith("LAGCHECK_")) {
- try {
- final long sent = Long.parseLong(args[3].substring(9));
- final Long duration = new Date().getTime() - sent;
- final String value = formatTime(duration);
- pings.put(event.getConnection(), value);
- getHistory(event.getConnection()).add(duration);
- if (isActive) {
- panel.getComponent().setText(value);
- }
- } catch (NumberFormatException ex) {
- pings.remove(event.getConnection());
- }
- event.setDisplayFormat("");
-
- panel.refreshDialog();
- }
- }
-
- @Handler
- public void handleServerDisconnected(final ServerDisconnectedEvent event) {
- final TextFrame activeFrame = activeFrameManager.getActiveFrame();
- final FrameContainer active = activeFrame == null ? null : activeFrame.getContainer();
- final boolean isActive = active != null && event.getConnection().equals(active.
- getConnection());
- if (isActive) {
- panel.getComponent().setText("Not connected");
- pings.remove(event.getConnection());
- }
-
- panel.refreshDialog();
- }
-
- @Handler
- public void handleServerGotPing(final ServerGotpingEvent event) {
- if (event.getConnection().getWindowModel().getConfigManager().
- getOptionBool(domain, "usealternate")) {
- return;
- }
- final TextFrame activeFrame = activeFrameManager.getActiveFrame();
- final FrameContainer active = activeFrame == null ? null : activeFrame.getContainer();
- final boolean isActive = active != null && event.getConnection().equals(active.
- getConnection());
- final String value = formatTime(event.getPing());
-
- getHistory(event.getConnection()).add(event.getPing());
- pings.put(event.getConnection(), value);
-
- if (isActive) {
- panel.getComponent().setText(value);
- }
-
- panel.refreshDialog();
- }
-
- @Handler
- public void handleServerNoPing(final ServerNopingEvent event) {
- if (event.getConnection().getWindowModel().getConfigManager().
- getOptionBool(domain, "usealternate")) {
- return;
- }
- final TextFrame activeFrame = activeFrameManager.getActiveFrame();
- final FrameContainer active = activeFrame == null ? null : activeFrame.getContainer();
- final boolean isActive = active != null && event.getConnection().equals(active.
- getConnection());
- final String value = formatTime(event.getPing()) + '+';
-
- pings.put(event.getConnection(), value);
-
- if (isActive) {
- panel.getComponent().setText(value);
- }
-
- panel.refreshDialog();
- }
-
- @Handler
- public void HandleServerPingSent(final ServerPingsentEvent event) {
- if (!event.getConnection().getWindowModel().getConfigManager().
- getOptionBool(domain, "usealternate")) {
- return;
- }
- event.getConnection().getParser().sendRawMessage("LAGCHECK_" + new Date().getTime());
- }
-
- /**
- * Retrieves the ping time for the specified connection.
- *
- * @param connection The connection whose ping time is being requested
- *
- * @return A String representation of the current lag, or "Unknown"
- */
- public String getTime(final Connection connection) {
- return pings.get(connection) == null ? "Unknown" : pings.get(connection);
- }
-
- /**
- * 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";
- }
- }
-
- @Override
- public void configChanged(final String domain, final String key) {
- readConfig();
- }
-
- }
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