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[TH2-5267] Split ErrorCollector to interface and implementation
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src/main/java/com/exactpro/th2/mstore/EventErrorCollector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| /* | ||
| * Copyright 2023-2025 Exactpro (Exactpro Systems Limited) | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.exactpro.th2.mstore; | ||
|
|
||
| import com.exactpro.th2.common.event.Event; | ||
| import com.exactpro.th2.common.event.IBodyData; | ||
| import com.exactpro.th2.common.grpc.EventBatch; | ||
| import com.exactpro.th2.common.grpc.EventID; | ||
| import com.exactpro.th2.common.schema.message.MessageRouter; | ||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.io.IOException; | ||
| import java.time.Instant; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ScheduledExecutorService; | ||
| import java.util.concurrent.ScheduledFuture; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.locks.Lock; | ||
| import java.util.concurrent.locks.ReentrantLock; | ||
|
|
||
| import static java.util.Objects.requireNonNull; | ||
|
|
||
| public class EventErrorCollector implements ErrorCollector { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(EventErrorCollector.class); | ||
| private final ScheduledFuture<?> drainFuture; | ||
| private final MessageRouter<EventBatch> eventRouter; | ||
| private final EventID rootEvent; | ||
| private final Lock lock = new ReentrantLock(); | ||
| private Map<String, EventErrorCollector.ErrorMetadata> errors = new HashMap<>(); | ||
|
|
||
| private EventErrorCollector(@NotNull ScheduledExecutorService executor, | ||
| @NotNull MessageRouter<EventBatch> eventRouter, | ||
| @NotNull EventID rootEvent, | ||
| long period, | ||
| @NotNull TimeUnit unit) { | ||
| this.eventRouter = requireNonNull(eventRouter, "Event router can't be null"); | ||
| this.rootEvent = requireNonNull(rootEvent, "Root event can't be null"); | ||
| requireNonNull(unit, "Unit can't be null"); | ||
| this.drainFuture = requireNonNull(executor, "Executor can't be null") | ||
| .scheduleAtFixedRate(this::drain, period, period, unit); | ||
| } | ||
|
|
||
| public static ErrorCollector create(@NotNull ScheduledExecutorService executor, | ||
| @NotNull MessageRouter<EventBatch> eventRouter, | ||
| @NotNull EventID rootEvent, | ||
| long period, | ||
| @NotNull TimeUnit unit) { | ||
| return new EventErrorCollector(executor, eventRouter, rootEvent, period, unit); | ||
| } | ||
|
|
||
| public static ErrorCollector create(@NotNull ScheduledExecutorService executor, | ||
| @NotNull MessageRouter<EventBatch> eventRouter, | ||
| @NotNull EventID rootEvent) { | ||
| return create(executor, eventRouter, rootEvent, 1, TimeUnit.MINUTES); | ||
| } | ||
|
|
||
| /** | ||
| * Log error and call the {@link #collect(String)}} method | ||
| * @param error is used as key identifier. Avoid put a lot of unique values | ||
| */ | ||
| public void collect(Logger logger, String error, Throwable cause) { | ||
| logger.error(error, cause); | ||
| collect(error); | ||
| } | ||
|
|
||
| /** | ||
| * @param error is used as key identifier. Avoid put a lot of unique values | ||
| */ | ||
| public void collect(String error) { | ||
| lock.lock(); | ||
| try { | ||
| errors.compute(error, (key, metadata) -> { | ||
| if (metadata == null) { | ||
| return new EventErrorCollector.ErrorMetadata(); | ||
| } | ||
| metadata.inc(); | ||
| return metadata; | ||
| }); | ||
| } finally { | ||
| lock.unlock(); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void close() throws Exception { | ||
| drainFuture.cancel(true); | ||
| drain(); | ||
| } | ||
|
|
||
| private void drain() { | ||
| try { | ||
| Map<String, EventErrorCollector.ErrorMetadata> map = clear(); | ||
| if (map.isEmpty()) { return; } | ||
|
|
||
| eventRouter.sendAll(Event.start() | ||
| .name("mstore internal problem(s): " + calculateTotalQty(map.values())) | ||
| .type("InternalError") | ||
| .status(Event.Status.FAILED) | ||
| .bodyData(new EventErrorCollector.BodyData(map)) | ||
| .toBatchProto(rootEvent)); | ||
|
|
||
| } catch (IOException | RuntimeException e) { | ||
| LOGGER.error("Drain events task failure", e); | ||
| } | ||
| } | ||
|
|
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| private Map<String, EventErrorCollector.ErrorMetadata> clear() { | ||
| lock.lock(); | ||
| try { | ||
| Map<String, EventErrorCollector.ErrorMetadata> result = errors; | ||
| errors = new HashMap<>(); | ||
| return result; | ||
| } finally { | ||
| lock.unlock(); | ||
| } | ||
| } | ||
|
|
||
| private static int calculateTotalQty(Collection<EventErrorCollector.ErrorMetadata> errors) { | ||
| return errors.stream() | ||
| .map(EventErrorCollector.ErrorMetadata::getQuantity) | ||
| .reduce(0, Integer::sum); | ||
| } | ||
|
|
||
| @SuppressWarnings("unused") | ||
| private static class BodyData implements IBodyData { | ||
| private final Map<String, EventErrorCollector.ErrorMetadata> errors; | ||
| @JsonCreator | ||
| private BodyData(Map<String, EventErrorCollector.ErrorMetadata> errors) { | ||
| this.errors = errors; | ||
| } | ||
| public Map<String, EventErrorCollector.ErrorMetadata> getErrors() { | ||
| return errors; | ||
| } | ||
| } | ||
|
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| @SuppressWarnings("unused") | ||
| private static class ErrorMetadata { | ||
| private final Instant firstDate = Instant.now(); | ||
| private Instant lastDate; | ||
| private int quantity = 1; | ||
|
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| public void inc() { | ||
| quantity += 1; | ||
| lastDate = Instant.now(); | ||
| } | ||
|
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| public Instant getFirstDate() { | ||
| return firstDate; | ||
| } | ||
|
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| public Instant getLastDate() { | ||
| return lastDate; | ||
| } | ||
|
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| public void setLastDate(Instant lastDate) { | ||
| this.lastDate = lastDate; | ||
| } | ||
|
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| public int getQuantity() { | ||
| return quantity; | ||
| } | ||
|
|
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| public void setQuantity(int quantity) { | ||
| this.quantity = quantity; | ||
| } | ||
| } | ||
| } |
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