001/*-
002 * #%L
003 * HAPI FHIR - Core Library
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.util;
021
022import ca.uhn.fhir.i18n.Msg;
023import ca.uhn.fhir.system.HapiSystemProperties;
024import com.google.common.annotations.VisibleForTesting;
025import org.slf4j.Logger;
026import org.slf4j.LoggerFactory;
027
028import java.time.Duration;
029
030public class TimeoutManager {
031        private static final Logger ourLog = LoggerFactory.getLogger(TimeoutManager.class);
032
033        private final StopWatch myStopWatch = new StopWatch();
034        private final String myServiceName;
035        private final Duration myWarningTimeout;
036        private final Duration myErrorTimeout;
037
038        private boolean warned = false;
039        private boolean errored = false;
040
041        public TimeoutManager(String theServiceName, Duration theWarningTimeout, Duration theErrorTimeout) {
042                myServiceName = theServiceName;
043                myWarningTimeout = theWarningTimeout;
044                myErrorTimeout = theErrorTimeout;
045        }
046
047        /**
048         *
049         * @return true if a message was logged
050         */
051        public boolean checkTimeout() {
052                boolean retval = false;
053                if (myStopWatch.getMillis() > myWarningTimeout.toMillis() && !warned) {
054                        ourLog.warn(myServiceName + " has run for {}", myStopWatch);
055                        warned = true;
056                        retval = true;
057                }
058                if (myStopWatch.getMillis() > myErrorTimeout.toMillis() && !errored) {
059                        if (HapiSystemProperties.isUnitTestModeEnabled()) {
060                                throw new TimeoutException(
061                                                Msg.code(2133) + myServiceName + " timed out after running for " + myStopWatch);
062                        } else {
063                                ourLog.error(myServiceName + " has run for {}", myStopWatch);
064                                errored = true;
065                                retval = true;
066                        }
067                }
068                return retval;
069        }
070
071        @VisibleForTesting
072        void addTimeForUnitTest(Duration theDuration) {
073                myStopWatch.setNowForUnitTest(myStopWatch.getStartedDate().getTime() + theDuration.toMillis());
074        }
075}