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Merge pull request #6192 from zeusoo001/event-22
feat(event): optimize the event service
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96 changes: 96 additions & 0 deletions
96
framework/src/main/java/org/tron/core/services/event/BlockEventCache.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package org.tron.core.services.event; | ||
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| import com.google.common.collect.Lists; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import lombok.Getter; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.tron.core.capsule.BlockCapsule; | ||
| import org.tron.core.services.event.bo.BlockEvent; | ||
| import org.tron.core.services.event.exception.EventException; | ||
|
|
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| @Slf4j(topic = "event") | ||
| public class BlockEventCache { | ||
| @Getter | ||
| private static volatile long solidNum; | ||
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| @Getter | ||
| private static volatile BlockEvent head; | ||
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| @Getter | ||
| private static volatile BlockCapsule.BlockId solidId; | ||
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| private static Map<BlockCapsule.BlockId, BlockEvent> blockEventMap = new ConcurrentHashMap<>(); | ||
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| private static Map<Long, List<BlockEvent>> numMap = new ConcurrentHashMap<>(); | ||
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| public static BlockEvent getBlockEvent(BlockCapsule.BlockId blockId) { | ||
| return blockEventMap.get(blockId); | ||
| } | ||
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| public static void init(BlockCapsule.BlockId blockId) { | ||
| blockEventMap.clear(); | ||
| numMap.clear(); | ||
| solidNum = blockId.getNum(); | ||
| head = new BlockEvent(blockId); | ||
| solidId = blockId; | ||
| List<BlockEvent> list = new ArrayList<>(); | ||
| list.add(head); | ||
| numMap.put(blockId.getNum(), list); | ||
| blockEventMap.put(blockId, head); | ||
| } | ||
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| public static void add(BlockEvent blockEvent) throws EventException { | ||
| logger.info("Add block event, {}", blockEvent.getBlockId().getString(), | ||
| blockEvent.getParentId().getString()); | ||
| if (blockEventMap.get(blockEvent.getParentId()) == null) { | ||
| throw new EventException("unlink BlockEvent, " | ||
| + blockEvent.getBlockId().getString() + ", " | ||
| + blockEvent.getParentId().getString()); | ||
| } | ||
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| long num = blockEvent.getBlockId().getNum(); | ||
| List<BlockEvent> list = numMap.get(num); | ||
| if (list == null) { | ||
| list = new ArrayList<>(); | ||
| numMap.put(num, list); | ||
| } | ||
| list.add(blockEvent); | ||
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| blockEventMap.put(blockEvent.getBlockId(), blockEvent); | ||
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| if (num > head.getBlockId().getNum()) { | ||
| head = blockEvent; | ||
| } | ||
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| if (blockEvent.getSolidId().getNum() > solidId.getNum()) { | ||
| solidId = blockEvent.getSolidId(); | ||
| } | ||
| } | ||
|
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| public static void remove(BlockCapsule.BlockId solidId) { | ||
| logger.info("Remove solidId {}, solidNum {}, {}, {}", | ||
| solidId.getString(), solidNum, numMap.size(), blockEventMap.size()); | ||
| numMap.forEach((k, v) -> { | ||
| if (k < solidId.getNum()) { | ||
| v.forEach(value -> blockEventMap.remove(value.getBlockId())); | ||
| numMap.remove(k); | ||
| } | ||
| }); | ||
| solidNum = solidId.getNum(); | ||
| } | ||
|
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| public static List<BlockEvent> getSolidBlockEvents(BlockCapsule.BlockId solidId) { | ||
| List<BlockEvent> blockEvents = new ArrayList<>(); | ||
| BlockCapsule.BlockId tmp = solidId; | ||
| while (tmp.getNum() > solidNum) { | ||
| BlockEvent blockEvent = blockEventMap.get(tmp); | ||
| blockEvents.add(blockEvent); | ||
| tmp = blockEvent.getParentId(); | ||
| } | ||
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| return Lists.reverse(blockEvents); | ||
| } | ||
| } |
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