diff options
Diffstat (limited to 'common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp')
7 files changed, 0 insertions, 798 deletions
diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/Markers.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/Markers.java deleted file mode 100644 index dc2ae367b3..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/Markers.java +++ /dev/null @@ -1,21 +0,0 @@ -package org.openecomp.core.logging; - -import org.slf4j.Marker; -import org.slf4j.MarkerFactory; - -/** - * <p>The list of markers that can be used for special logging such as metrics, audit, etc.</p> - * <p>Although markers can be easily instantiated whenever needed, having constants for them helps - * eliminate mistakes - misspelling, using a marker that is not handled, etc.</p> <p>Usage:</p> - * <pre> - * Logger log = LogFactory.getLogger(this.getClass()); - * log.info(Markers.AUDIT, "User '{}' logged out", user); - * </pre> - * - * @see org.slf4j.Marker - */ -public class Markers { - - public static final Marker AUDIT = MarkerFactory.getMarker("AUDIT"); - public static final Marker METRICS = MarkerFactory.getMarker("METRICS"); -} diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/Slf4JLoggerCreationService.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/Slf4JLoggerCreationService.java deleted file mode 100644 index 3238e75f8e..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/Slf4JLoggerCreationService.java +++ /dev/null @@ -1,236 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.core.logging; - -import org.openecomp.core.logging.api.Logger; -import org.openecomp.core.logging.api.LoggerCreationService; -import org.slf4j.LoggerFactory; - -public class Slf4JLoggerCreationService implements LoggerCreationService { - - @Override - public Logger getLogger(String className) { - return new Slf4JWrapper(className); - } - - @Override - public Logger getLogger(Class<?> clazz) { - return new Slf4JWrapper(clazz); - } - - private class Slf4JWrapper implements Logger { - - private final org.slf4j.Logger logger; - - public Slf4JWrapper(Class<?> clazz) { - logger = LoggerFactory.getLogger(clazz); - } - - public Slf4JWrapper(String className) { - logger = LoggerFactory.getLogger(className); - } - - @Override - public String getName() { - return logger.getName(); - } - - @Override - public boolean isMetricsEnabled() { - return logger.isInfoEnabled(Markers.METRICS); - } - - @Override - public void metrics(String msg) { - logger.info(Markers.METRICS, msg); - } - - @Override - public void metrics(String msg, Object arg) { - logger.info(Markers.METRICS, msg, arg); - } - - @Override - public void metrics(String msg, Object arg1, Object arg2) { - logger.info(Markers.METRICS, msg, arg1, arg2); - } - - @Override - public void metrics(String msg, Object... arguments) { - logger.info(Markers.METRICS, msg, arguments); - } - - @Override - public void metrics(String msg, Throwable throwable) { - logger.info(Markers.METRICS, msg, throwable); - } - - @Override - public boolean isAuditEnabled() { - return logger.isInfoEnabled(Markers.AUDIT); - } - - @Override - public void audit(String msg) { - logger.info(Markers.AUDIT, msg); - } - - @Override - public void audit(String msg, Object arg) { - logger.info(Markers.AUDIT, msg, arg); - } - - @Override - public void audit(String msg, Object arg1, Object arg2) { - logger.info(Markers.AUDIT, msg, arg1, arg2); - } - - @Override - public void audit(String msg, Object... arguments) { - logger.info(Markers.AUDIT, msg, arguments); - } - - @Override - public void audit(String msg, Throwable throwable) { - logger.info(Markers.AUDIT, msg, throwable); - } - - @Override - public boolean isDebugEnabled() { - return logger.isDebugEnabled(); - } - - @Override - public void debug(String msg) { - logger.debug(msg); - } - - @Override - public void debug(String format, Object arg) { - logger.debug(format, arg); - } - - @Override - public void debug(String format, Object arg1, Object arg2) { - logger.debug(format, arg1, arg2); - } - - @Override - public void debug(String format, Object... arguments) { - logger.debug(format, arguments); - } - - @Override - public void debug(String msg, Throwable throwable) { - logger.debug(msg, throwable); - } - - @Override - public boolean isInfoEnabled() { - return logger.isInfoEnabled(); - } - - @Override - public void info(String msg) { - logger.info(msg); - } - - @Override - public void info(String format, Object arg) { - logger.info(format, arg); - } - - @Override - public void info(String format, Object arg1, Object arg2) { - logger.info(format, arg1, arg2); - } - - @Override - public void info(String format, Object... arguments) { - logger.info(format, arguments); - } - - @Override - public void info(String msg, Throwable throwable) { - logger.info(msg, throwable); - } - - @Override - public boolean isWarnEnabled() { - return logger.isWarnEnabled(); - } - - @Override - public void warn(String msg) { - logger.warn(msg); - } - - @Override - public void warn(String format, Object arg) { - logger.warn(format, arg); - } - - @Override - public void warn(String format, Object... arguments) { - logger.warn(format, arguments); - } - - @Override - public void warn(String format, Object arg1, Object arg2) { - logger.warn(format, arg1, arg2); - } - - @Override - public void warn(String msg, Throwable throwable) { - logger.warn(msg, throwable); - } - - @Override - public boolean isErrorEnabled() { - return logger.isErrorEnabled(); - } - - @Override - public void error(String msg) { - logger.error(msg); - } - - @Override - public void error(String format, Object arg) { - logger.error(format, arg); - } - - @Override - public void error(String format, Object arg1, Object arg2) { - logger.error(format, arg1, arg2); - } - - @Override - public void error(String format, Object... arguments) { - logger.error(format, arguments); - } - - @Override - public void error(String msg, Throwable throwable) { - logger.error(msg, throwable); - } - } -} diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/aspects/MetricsAspect.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/aspects/MetricsAspect.java deleted file mode 100644 index 9e8c7f0aa8..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/aspects/MetricsAspect.java +++ /dev/null @@ -1,72 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.core.logging.aspects; - -import org.aspectj.lang.ProceedingJoinPoint; -import org.aspectj.lang.annotation.Around; -import org.aspectj.lang.annotation.Aspect; -import org.openecomp.core.logging.api.Logger; -import org.openecomp.core.logging.api.LoggerFactory; -import org.openecomp.core.logging.api.annotations.Metrics; - -/** - * <p>Wraps around any method annotated with {@link Metrics} to measure and log its execution time - * in milliseconds.</p> <p>In order for the aspect to be used, AspectJ annotation processing must be - * tuned on and this particular aspect enabled. Conversely, it can be disabled completely if the - * application does not need to log metrics.</p> <p>See, for example, <a - * href="http://docs.spring.io/spring/docs/current/spring-framework-reference/html/aop.html"> Aspect - * Oriented Programming with Spring</a>.</p> - * - * @see Metrics - */ -@Aspect -public class MetricsAspect { - - private static final String MESSAGE_TEMPLATE = "'{}' took {} milliseconds"; - - /** - * Log execution time object. - * - * @param pjp the pjp - * @return the object - * @throws Throwable the throwable - */ - @Around("@annotation(org.openecomp.core.logging.api.annotations.Metrics)") - public Object logExecutionTime(ProceedingJoinPoint pjp) throws Throwable { - - final Logger logger = LoggerFactory.getLogger(pjp.getSignature().getDeclaringTypeName()); - // measure and log only if the logger for this class is enabled - if (logger.isMetricsEnabled()) { - - final String method = pjp.getSignature().getName(); - final long start = System.currentTimeMillis(); - - try { - return pjp.proceed(); - } finally { - logger.metrics(MESSAGE_TEMPLATE, method, System.currentTimeMillis() - start); - } - - } else { - return pjp.proceed(); - } - } -} diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/context/MdcPropagationService.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/context/MdcPropagationService.java deleted file mode 100644 index 94ad1b9717..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/context/MdcPropagationService.java +++ /dev/null @@ -1,71 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.core.logging.context; - -import org.openecomp.core.logging.api.context.ContextPropagationService; -import org.slf4j.MDC; - -import java.util.Map; - -/** - * Propagates the <a href="http://www.slf4j.org/manual.html#mdc">SLF4J Mapped Diagnostic Context - * (MDC)</a> of a thread onto a runnable created by that thread, so that the context is available - * when the runnable is executed in a new thread. - */ -public class MdcPropagationService implements ContextPropagationService { - - public Runnable create(Runnable task) { - return new MdcCopyingWrapper(task); - } - - private static class MdcCopyingWrapper implements Runnable { - - private final Runnable task; - private final Map<String, String> context; - - private MdcCopyingWrapper(Runnable task) { - this.task = task; - this.context = MDC.getCopyOfContextMap(); - } - - private static void replaceMdc(Map<String, String> context) { - - if (context == null) { - MDC.clear(); - } else { - MDC.setContextMap(context); - } - } - - @Override - public void run() { - - Map<String, String> oldContext = MDC.getCopyOfContextMap(); - replaceMdc(this.context); - - try { - task.run(); - } finally { - replaceMdc(oldContext); - } - } - } -} diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/logback/DispatchingAppender.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/logback/DispatchingAppender.java deleted file mode 100644 index 6d5642e374..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/logback/DispatchingAppender.java +++ /dev/null @@ -1,142 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.core.logging.logback; - -import ch.qos.logback.classic.Logger; -import ch.qos.logback.classic.LoggerContext; -import ch.qos.logback.classic.sift.MDCBasedDiscriminator; -import ch.qos.logback.classic.spi.ILoggingEvent; -import ch.qos.logback.core.Appender; -import ch.qos.logback.core.AppenderBase; -import ch.qos.logback.core.joran.spi.DefaultClass; -import ch.qos.logback.core.sift.Discriminator; -import org.slf4j.LoggerFactory; - -import java.util.Iterator; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -/** - * <p>Allows to use EELF logging configuration almost as is, by using a custom routing function, but - * pre-configured appenders attached to the standard EELF loggers.</p> <p>Changes that must be made - * in <i>logback.xml</i> supplied with EELF:</p> - * <pre> - * <appender name="DISPATCHER" class="DispatchingAppender"> - * <discriminator class="EventTypeDiscriminator"/> - * <appenderNamePattern>asyncEELF%s</appenderNamePattern> - * </appender> - * <root level="INFO" additivity="false"> - * <appender-ref ref="DISPATCHER" /> - * </root> - * </pre> - */ -public class DispatchingAppender extends AppenderBase<ILoggingEvent> { - - // "magic" appender to indicate a missing appender - private static final Appender<ILoggingEvent> NO_APPENDER = new DispatchingAppender(); - - private Map<String, Appender<ILoggingEvent>> appenders = new ConcurrentHashMap<>(); - - private Discriminator<ILoggingEvent> discriminator; - private String appenderNamePattern; - - public Discriminator<ILoggingEvent> getDiscriminator() { - return this.discriminator; - } - - @DefaultClass(MDCBasedDiscriminator.class) - public void setDiscriminator(Discriminator<ILoggingEvent> discriminator) { - this.discriminator = discriminator; - } - - public String getAppenderNamePattern() { - return this.appenderNamePattern; - } - - public void setAppenderNamePattern(String pattern) { - this.appenderNamePattern = pattern; - } - - @Override - protected void append(ILoggingEvent event) { - - if (this.isStarted()) { - - String discriminatingValue = this.discriminator.getDiscriminatingValue(event); - String appenderName = String.format(this.appenderNamePattern, discriminatingValue); - Appender<ILoggingEvent> appender = this.lookupAppender(appenderName); - if (appender == NO_APPENDER) { - this.addError(String.format("Appender %s does not exist", appenderName)); - } else { - appender.doAppend(event); - } - } - } - - private Appender<ILoggingEvent> lookupAppender(String key) { - - Appender<ILoggingEvent> appender = appenders.get(key); - if (appender != null) { - return appender; - } - - LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory(); - for (Logger log : context.getLoggerList()) { - - Iterator<Appender<ILoggingEvent>> iterator = log.iteratorForAppenders(); - while (iterator.hasNext()) { - - Appender<ILoggingEvent> element = iterator.next(); - if (key.equals(element.getName())) { - this.appenders.putIfAbsent(key, element); - return element; - } - } - } - - // to avoid consecutive lookups if the required appender does not exist - this.appenders.putIfAbsent(key, NO_APPENDER); - return NO_APPENDER; - } - - @Override - public void start() { - - int errors = 0; - if (this.discriminator == null) { - this.addError("Missing discriminator. Aborting"); - } - - if (!this.discriminator.isStarted()) { - this.addError("Discriminator has not started successfully. Aborting"); - ++errors; - } - - if (this.appenderNamePattern == null) { - this.addError("Missing name pattern. Aborting"); - ++errors; - } - - if (errors == 0) { - super.start(); - } - } -} diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/logback/EventTypeDiscriminator.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/logback/EventTypeDiscriminator.java deleted file mode 100644 index 107f6728d7..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/logback/EventTypeDiscriminator.java +++ /dev/null @@ -1,121 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.core.logging.logback; - -import ch.qos.logback.classic.Level; -import ch.qos.logback.classic.spi.ILoggingEvent; -import ch.qos.logback.core.sift.AbstractDiscriminator; -import org.openecomp.core.logging.Markers; -import org.slf4j.Marker; - -/** - * Can be used with {@link ch.qos.logback.classic.sift.SiftingAppender} to route events of different - * types to separate log files. For example, - * <pre> - * <configuration> - * <appender name="SIFT" class="ch.qos.logback.classic.sift.SiftingAppender"> - * <discriminator class="EventTypeDiscriminator"/> - * <sift> - * <appender name="{EventType}" - * class="ch.qos.logback.core.rolling.RollingFileAppender"> - * <file>${logDirectory}/${eventType}.log</file> - * <rollingPolicy class="ch. - * qos.logback.core.rolling.FixedWindowRollingPolicy"> - * <fileNamePattern> - * ${logDirectory}/${eventType}. - * %i.log.zip</fileNamePattern> - * <minIndex>1</minIndex> - * <maxIndex>9</maxIndex> - * </rollingPolicy> - * <triggeringPolicy - * class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy"> - * <maxFileSize>5MB</maxFileSize> - * </triggeringPolicy> - * <encoder> - * <pattern>${defaultPattern}</pattern> - * </encoder> - * </appender> - * </sift> - * </appender> - * <root level="INFO"> - * <appender-ref ref="SIFT" /> - * </root> - * </configuration> - * </pre> - */ -public class EventTypeDiscriminator extends AbstractDiscriminator<ILoggingEvent> { - - private static final String KEY = "eventType"; - - private static final String AUDIT = "Audit"; - private static final String METRICS = "Metrics"; - private static final String ERROR = "Error"; - private static final String DEBUG = "Debug"; - private static final String DEFAULT = DEBUG; - - private static final int MIN_ERROR_LEVEL = Level.WARN_INT; - private static final int MAX_ERROR_LEVEL = Level.ERROR_INT; - private static final int DEFAULT_LEVEL = Level.DEBUG_INT; - - @Override - public String getDiscriminatingValue(ILoggingEvent event) { - - Level level = event.getLevel(); - final int levelInt = level == null ? DEFAULT_LEVEL : level.toInt(); - if ((levelInt > MIN_ERROR_LEVEL - 1) && (levelInt < MAX_ERROR_LEVEL + 1)) { - return ERROR; - } - - if (levelInt == Level.DEBUG_INT) { - return DEBUG; - } - - /* - * After DEBUG, ERROR, and WARNING have been filtered out, - * only TRACE and INFO are left. TRACE is less than DEBUG - * and therefore cannot be used. So, INFO should be used for - * custom routing like AUDIT and METRICS - */ - if (levelInt == Level.INFO_INT) { - - final Marker marker = event.getMarker(); - if (marker != null) { - - if (marker.contains(Markers.AUDIT)) { - return AUDIT; - } - - if (marker.contains(Markers.METRICS)) { - return METRICS; - } - } - - return ERROR; - } - - return DEFAULT; - } - - @Override - public String getKey() { - return KEY; - } -} diff --git a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/servlet/LoggingFilter.java b/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/servlet/LoggingFilter.java deleted file mode 100644 index 53923d7784..0000000000 --- a/common/openecomp-logging-lib/openecomp-logging-core/src/main/java/org/openecomp/core/logging/servlet/LoggingFilter.java +++ /dev/null @@ -1,135 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.core.logging.servlet; - -import org.slf4j.MDC; - -import java.io.IOException; -import java.net.InetAddress; -import java.net.UnknownHostException; -import java.util.UUID; -import java.util.concurrent.atomic.AtomicLong; -import javax.servlet.Filter; -import javax.servlet.FilterChain; -import javax.servlet.FilterConfig; -import javax.servlet.ServletException; -import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; - -/** - * <p>Pushes information required by EELF onto MDC (Mapped Diagnostic Context).</p> <p>This is - * servlet filter that should be configured in <i>web.xml</i> to be used. Example:</p> - * <pre> - * <filter> - * <filter-name>LoggingServletFilter</filter-name> - * <filter-class>LoggingFilter</filter-class> - * </filter> - * <filter-mapping> - * <filter-name>LoggingServletFilter</filter-name> - * <url-pattern>/*</url-pattern> - * </filter-mapping> - * </pre> - */ -public class LoggingFilter implements Filter { - - // should be cashed to avoid low-level call, but with a timeout to account for IP or FQDN changes - private static final HostAddressCache HOST_ADDRESS = new HostAddressCache(); - private static final String UNKNOWN = "UNKNOWN"; - - public void destroy() { - } - - /** - * Do Filter. - * - * @param request the request - */ - public void doFilter(ServletRequest request, ServletResponse response, - FilterChain chain) throws IOException, ServletException { - - try { - - MDC.clear(); - - MDC.put("RequestId", UUID.randomUUID().toString()); - MDC.put("ServiceInstanceId", "N/A"); // not applicable - MDC.put("ServiceName", "SDC"); - MDC.put("InstanceUUID", "N/A"); - - // For some reason chooses IPv4 or IPv6 in a random way - MDC.put("RemoteHost", request.getRemoteHost()); - - InetAddress host = HOST_ADDRESS.get(); - - String ipAddress; - String hostName; - if (host == null) { - ipAddress = UNKNOWN; - hostName = UNKNOWN; - } else { - ipAddress = host.getHostAddress(); - hostName = host.getHostName(); - } - - MDC.put("ServerIPAddress", ipAddress); - MDC.put("ServerFQDN", hostName); - - // TODO: Clarify what these stand for - // MDC.put("AlertSeverity", ); - // MDC.put("Timer", ); - - chain.doFilter(request, response); - - } finally { - MDC.clear(); - } - } - - public void init(FilterConfig config) throws ServletException { - } - - private static class HostAddressCache { - - private static final long REFRESH_TIME = 1000L; - - private AtomicLong lastUpdated = new AtomicLong(0L); - private InetAddress hostAddress; - - public InetAddress get() { - - long current = System.currentTimeMillis(); - if (current - lastUpdated.get() > REFRESH_TIME) { - - synchronized (this) { - - try { - lastUpdated.set(current); // set now to register the attempt even if failed - hostAddress = InetAddress.getLocalHost(); - } catch (UnknownHostException unknownHostException) { - hostAddress = null; - } - } - } - - return hostAddress; - } - } -} |