| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.apache.felix.http.base.internal.whiteboard; |
| |
| import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_NO_SERVLET_CONTEXT_MATCHING; |
| import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_SERVICE_NOT_GETTABLE; |
| import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_SERVLET_CONTEXT_FAILURE; |
| import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_SHADOWED_BY_OTHER_SERVICE; |
| import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_UNKNOWN; |
| import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_VALIDATION_FAILED; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.felix.http.base.internal.logger.SystemLogger; |
| import org.apache.felix.http.base.internal.runtime.AbstractInfo; |
| import org.apache.felix.http.base.internal.runtime.dto.FailedDTOHolder; |
| import org.osgi.framework.ServiceReference; |
| |
| public class FailureStateHandler { |
| |
| private static final class FailureStatus |
| { |
| public final Map<Integer, Set<Long>> reasonToContextsMapping = new ConcurrentHashMap<>(); |
| } |
| |
| private final Map<AbstractInfo<?>, FailureStatus> serviceFailures = new ConcurrentHashMap<>(); |
| |
| /** |
| * Remove all failures. |
| */ |
| public void clear() |
| { |
| this.serviceFailures.clear(); |
| } |
| |
| public void addFailure(final AbstractInfo<?> info, final int reason, final Exception ex) |
| { |
| this.addFailure(info, 0, reason, ex); |
| } |
| |
| public void addFailure(final AbstractInfo<?> info, final int reason) |
| { |
| this.addFailure(info, 0, reason); |
| } |
| |
| public void addFailure(final AbstractInfo<?> info, final long contextId, final int reason) |
| { |
| this.addFailure(info, contextId, reason, null); |
| } |
| |
| public void addFailure(final AbstractInfo<?> info, final long contextId, final int reason, final Exception ex) |
| { |
| final String type = info.getClass().getSimpleName().substring(0, info.getClass().getSimpleName().length() - 4); |
| final String serviceInfo; |
| final ServiceReference<?> ref = info.getServiceReference(); |
| if ( ref == null ) { |
| serviceInfo = " with id " + String.valueOf(info.getServiceId()); |
| } else { |
| serviceInfo = ""; |
| } |
| if ( reason == FAILURE_REASON_NO_SERVLET_CONTEXT_MATCHING ) |
| { |
| SystemLogger.debug(ref, "Ignoring unmatching " + type + " service" + serviceInfo); |
| } |
| else if ( reason == FAILURE_REASON_SHADOWED_BY_OTHER_SERVICE ) |
| { |
| SystemLogger.debug(ref, "Ignoring shadowed " + type + " service" + serviceInfo); |
| } |
| else if ( reason == FAILURE_REASON_SERVICE_NOT_GETTABLE ) |
| { |
| SystemLogger.error(ref, "Ignoring ungettable " + type + " service" + serviceInfo, ex); |
| } |
| else if ( reason == FAILURE_REASON_VALIDATION_FAILED ) |
| { |
| SystemLogger.debug(ref, "Ignoring invalid " + type + " service" + serviceInfo); |
| } |
| else if ( reason == FAILURE_REASON_NO_SERVLET_CONTEXT_MATCHING ) |
| { |
| SystemLogger.debug(ref, "Ignoring unmatched " + type + " service" + serviceInfo); |
| } |
| else if ( reason == FAILURE_REASON_SERVLET_CONTEXT_FAILURE ) |
| { |
| SystemLogger.debug(ref, "Servlet context " + String.valueOf(contextId) + " failure: Ignoring " + type + " service" + serviceInfo); |
| } |
| else if ( reason == FAILURE_REASON_UNKNOWN) |
| { |
| SystemLogger.error(ref, "Exception while registering " + type + " service" + serviceInfo, ex); |
| } |
| |
| FailureStatus status = serviceFailures.get(info); |
| if ( status == null ) |
| { |
| // we don't need to sync the add operation, that's taken care of by the caller. |
| status = new FailureStatus(); |
| this.serviceFailures.put(info, status); |
| } |
| Set<Long> contexts = status.reasonToContextsMapping.get(reason); |
| if ( contexts == null ) |
| { |
| contexts = new HashSet<>(); |
| } |
| else |
| { |
| contexts = new HashSet<>(contexts); |
| } |
| contexts.add(contextId); |
| status.reasonToContextsMapping.put(reason, contexts); |
| } |
| |
| public boolean remove(final AbstractInfo<?> info) |
| { |
| return remove(info, 0); |
| } |
| |
| public boolean removeAll(final AbstractInfo<?> info) |
| { |
| final boolean result = remove(info, 0); |
| this.serviceFailures.remove(info); |
| return result; |
| } |
| |
| public boolean remove(final AbstractInfo<?> info, final long contextId) |
| { |
| final FailureStatus status = serviceFailures.get(info); |
| if ( status != null ) |
| { |
| final Iterator<Map.Entry<Integer, Set<Long>>> i = status.reasonToContextsMapping.entrySet().iterator(); |
| while ( i.hasNext() ) |
| { |
| final Map.Entry<Integer, Set<Long>> entry = i.next(); |
| if ( entry.getValue().contains(contextId) ) |
| { |
| if ( entry.getValue().size() == 1 ) |
| { |
| i.remove(); |
| } |
| else |
| { |
| final Set<Long> set = new HashSet<>(entry.getValue()); |
| set.remove(contextId); |
| entry.setValue(set); |
| } |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| public void getRuntimeInfo(final FailedDTOHolder failedDTOHolder) { |
| for(final Map.Entry<AbstractInfo<?>, FailureStatus> entry : this.serviceFailures.entrySet() ) |
| { |
| final Iterator<Map.Entry<Integer, Set<Long>>> i = entry.getValue().reasonToContextsMapping.entrySet().iterator(); |
| while ( i.hasNext() ) |
| { |
| final Map.Entry<Integer, Set<Long>> status = i.next(); |
| |
| for(final long contextId : status.getValue()) |
| { |
| failedDTOHolder.add(entry.getKey(), contextId, status.getKey()); |
| } |
| } |
| } |
| |
| } |
| } |