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17 package org.apache.logging.log4j.core.async;
18
19 import java.util.Arrays;
20 import java.util.List;
21
22 import org.apache.logging.log4j.Level;
23 import org.apache.logging.log4j.LogManager;
24 import org.apache.logging.log4j.core.Filter;
25 import org.apache.logging.log4j.core.LogEvent;
26 import org.apache.logging.log4j.core.config.AppenderRef;
27 import org.apache.logging.log4j.core.config.Configuration;
28 import org.apache.logging.log4j.core.config.LoggerConfig;
29 import org.apache.logging.log4j.core.config.Node;
30 import org.apache.logging.log4j.core.config.Property;
31 import org.apache.logging.log4j.core.config.plugins.Plugin;
32 import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
33 import org.apache.logging.log4j.core.config.plugins.PluginConfiguration;
34 import org.apache.logging.log4j.core.config.plugins.PluginElement;
35 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
36 import org.apache.logging.log4j.core.jmx.RingBufferAdmin;
37 import org.apache.logging.log4j.core.util.Booleans;
38 import org.apache.logging.log4j.util.Strings;
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68 @Plugin(name = "asyncLogger", category = Node.CATEGORY, printObject = true)
69 public class AsyncLoggerConfig extends LoggerConfig {
70
71 private static final long serialVersionUID = 1L;
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73 private AsyncLoggerConfigHelper helper;
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78 public AsyncLoggerConfig() {
79 super();
80 }
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89 public AsyncLoggerConfig(final String name, final Level level,
90 final boolean additive) {
91 super(name, level, additive);
92 }
93
94 protected AsyncLoggerConfig(final String name,
95 final List<AppenderRef> appenders, final Filter filter,
96 final Level level, final boolean additive,
97 final Property[] properties, final Configuration config,
98 final boolean includeLocation) {
99 super(name, appenders, filter, level, additive, properties, config,
100 includeLocation);
101 }
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107 @Override
108 protected void callAppenders(final LogEvent event) {
109
110 event.getSource();
111 event.getThreadName();
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114 if (!helper.callAppendersFromAnotherThread(event)) {
115 super.callAppenders(event);
116 }
117 }
118
119
120 void asyncCallAppenders(final LogEvent event) {
121 super.callAppenders(event);
122 }
123
124 private String displayName() {
125 return LogManager.ROOT_LOGGER_NAME.equals(getName()) ? "root" : getName();
126 }
127
128 @Override
129 public void start() {
130 LOGGER.trace("AsyncLoggerConfig[{}] starting...", displayName());
131 this.setStarting();
132 if (helper == null) {
133 helper = new AsyncLoggerConfigHelper(this);
134 } else {
135 AsyncLoggerConfigHelper.claim();
136 }
137 super.start();
138 }
139
140 @Override
141 public void stop() {
142 LOGGER.trace("AsyncLoggerConfig[{}] stopping...", displayName());
143 this.setStopping();
144 AsyncLoggerConfigHelper.release();
145 super.stop();
146 }
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154 public RingBufferAdmin createRingBufferAdmin(final String contextName) {
155 return helper.createRingBufferAdmin(contextName, getName());
156 }
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171 @PluginFactory
172 public static LoggerConfig createLogger(
173 @PluginAttribute("additivity") final String additivity,
174 @PluginAttribute("level") final String levelName,
175 @PluginAttribute("name") final String loggerName,
176 @PluginAttribute("includeLocation") final String includeLocation,
177 @PluginElement("AppenderRef") final AppenderRef[] refs,
178 @PluginElement("Properties") final Property[] properties,
179 @PluginConfiguration final Configuration config,
180 @PluginElement("Filter") final Filter filter) {
181 if (loggerName == null) {
182 LOGGER.error("Loggers cannot be configured without a name");
183 return null;
184 }
185
186 final List<AppenderRef> appenderRefs = Arrays.asList(refs);
187 Level level;
188 try {
189 level = Level.toLevel(levelName, Level.ERROR);
190 } catch (final Exception ex) {
191 LOGGER.error(
192 "Invalid Log level specified: {}. Defaulting to Error",
193 levelName);
194 level = Level.ERROR;
195 }
196 final String name = loggerName.equals("root") ? Strings.EMPTY : loggerName;
197 final boolean additive = Booleans.parseBoolean(additivity, true);
198
199 return new AsyncLoggerConfig(name, appenderRefs, filter, level,
200 additive, properties, config, includeLocation(includeLocation));
201 }
202
203
204 protected static boolean includeLocation(final String includeLocationConfigValue) {
205 return Boolean.parseBoolean(includeLocationConfigValue);
206 }
207
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211 @Plugin(name = "asyncRoot", category = "Core", printObject = true)
212 public static class RootLogger extends LoggerConfig {
213
214 private static final long serialVersionUID = 1L;
215
216 @PluginFactory
217 public static LoggerConfig createLogger(
218 @PluginAttribute("additivity") final String additivity,
219 @PluginAttribute("level") final String levelName,
220 @PluginAttribute("includeLocation") final String includeLocation,
221 @PluginElement("AppenderRef") final AppenderRef[] refs,
222 @PluginElement("Properties") final Property[] properties,
223 @PluginConfiguration final Configuration config,
224 @PluginElement("Filter") final Filter filter) {
225 final List<AppenderRef> appenderRefs = Arrays.asList(refs);
226 Level level;
227 try {
228 level = Level.toLevel(levelName, Level.ERROR);
229 } catch (final Exception ex) {
230 LOGGER.error(
231 "Invalid Log level specified: {}. Defaulting to Error",
232 levelName);
233 level = Level.ERROR;
234 }
235 final boolean additive = Booleans.parseBoolean(additivity, true);
236
237 return new AsyncLoggerConfig(LogManager.ROOT_LOGGER_NAME,
238 appenderRefs, filter, level, additive, properties, config,
239 AsyncLoggerConfig.includeLocation(includeLocation));
240 }
241 }
242 }