| | |
| | | import com.zy.common.utils.RedisUtil; |
| | | import com.zy.core.enums.RedisKeyType; |
| | | import com.zy.core.model.command.StationCommand; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.stereotype.Component; |
| | | |
| | |
| | | import java.security.MessageDigest; |
| | | import java.util.ArrayList; |
| | | import java.util.Collections; |
| | | import java.util.concurrent.ConcurrentHashMap; |
| | | import java.util.concurrent.locks.ReentrantLock; |
| | | import java.util.LinkedHashMap; |
| | | import java.util.List; |
| | | import java.util.Map; |
| | | import java.util.Objects; |
| | | import java.util.function.Supplier; |
| | | |
| | | @Slf4j |
| | | @Component |
| | | public class StationMoveCoordinator { |
| | | |
| | | private static final int SESSION_EXPIRE_SECONDS = 60 * 60 * 24; |
| | | private static final long TASK_DISPATCH_LOCK_SLOW_THRESHOLD_MS = 50L; |
| | | private static final long RECORD_DISPATCH_SLOW_THRESHOLD_MS = 50L; |
| | | private final Map<Integer, ReentrantLock> taskDispatchLocks = new ConcurrentHashMap<>(); |
| | | |
| | | @Autowired |
| | | private StationMoveSessionRegistry sessionRegistry; |
| | |
| | | |
| | | public boolean isActiveRoute(Integer taskNo, Integer routeVersion) { |
| | | return sessionRegistry != null && sessionRegistry.isActiveRoute(taskNo, routeVersion); |
| | | } |
| | | |
| | | public boolean canDispatchRoute(Integer taskNo, Integer routeVersion) { |
| | | return sessionRegistry != null && sessionRegistry.canDispatchRoute(taskNo, routeVersion); |
| | | } |
| | | |
| | | public void markSegmentIssued(Integer taskNo, Integer routeVersion) { |
| | |
| | | if (session == null || !session.isActive()) { |
| | | return; |
| | | } |
| | | log.info("markCancelPending, taskNo={}, routeVersion={}, cancelReason={}", taskNo, session.getRouteVersion(), cancelReason); |
| | | session.setStatus(StationMoveSession.STATUS_CANCEL_PENDING); |
| | | session.setCancelReason(cancelReason); |
| | | saveSession(session); |
| | | } |
| | | |
| | | public <T> T withTaskDispatchLock(Integer taskNo, Supplier<T> supplier) { |
| | | if (supplier == null) { |
| | | return null; |
| | | } |
| | | if (taskNo == null || taskNo <= 0) { |
| | | return supplier.get(); |
| | | } |
| | | ReentrantLock lock = taskDispatchLocks.computeIfAbsent(taskNo, key -> new ReentrantLock()); |
| | | long waitStartMs = System.currentTimeMillis(); |
| | | lock.lock(); |
| | | long lockWaitMs = System.currentTimeMillis() - waitStartMs; |
| | | long holdStartMs = System.currentTimeMillis(); |
| | | try { |
| | | return supplier.get(); |
| | | } finally { |
| | | long holdMs = System.currentTimeMillis() - holdStartMs; |
| | | if (lockWaitMs > TASK_DISPATCH_LOCK_SLOW_THRESHOLD_MS || holdMs > TASK_DISPATCH_LOCK_SLOW_THRESHOLD_MS) { |
| | | log.warn("taskDispatchLock slow, taskNo={}, lockWaitMs={}ms, lockHoldMs={}ms", taskNo, lockWaitMs, holdMs); |
| | | } |
| | | lock.unlock(); |
| | | } |
| | | } |
| | | |
| | | public boolean shouldSuppressDispatch(Integer taskNo, Integer currentStationId, StationCommand candidateCommand) { |
| | |
| | | } |
| | | |
| | | String candidateSignature = buildPathSignature(candidateCommand); |
| | | // 同 task、同当前位置、同路径签名的命令视为重复派发,直接压制。 |
| | | if (!isBlank(candidateSignature) && Objects.equals(candidateSignature, session.getPathSignature())) { |
| | | return true; |
| | | } |
| | | |
| | | // 到达下一决策站后允许重新决策,不继续受旧 session 的中间路径保护。 |
| | | if (Objects.equals(currentStationId, session.getNextDecisionStationId())) { |
| | | return false; |
| | | } |
| | | |
| | | // 还处在旧路线覆盖范围内时,其他触发源不应再插入一条新命令。 |
| | | return session.containsStation(currentStationId); |
| | | } |
| | | |
| | |
| | | return null; |
| | | } |
| | | |
| | | long startMs = System.currentTimeMillis(); |
| | | StationMoveSession current = loadSession(taskNo); |
| | | long now = System.currentTimeMillis(); |
| | | String pathSignature = buildPathSignature(command); |
| | |
| | | && Objects.equals(current.getNextDecisionStationId(), command.getTargetStaNo()) |
| | | && Objects.equals(current.getPathSignature(), pathSignature); |
| | | |
| | | // 同一触发站、同一目标、同一路径签名时复用当前 session,只刷新下发时间,不新开 routeVersion。 |
| | | StationMoveSession session = reuseCurrent ? current : new StationMoveSession(); |
| | | if (!reuseCurrent) { |
| | | session.setRouteVersion(current == null || current.getRouteVersion() == null |
| | |
| | | |
| | | command.setRouteVersion(session.getRouteVersion()); |
| | | saveSession(session); |
| | | long recordDispatchCostMs = System.currentTimeMillis() - startMs; |
| | | log.info("recordDispatch done, taskNo={}, routeVersion={}, reuse={}, prevRouteVersion={}, dispatchStationId={}, triggerName={}, recordDispatchCostMs={}ms", |
| | | taskNo, session.getRouteVersion(), reuseCurrent, |
| | | current == null ? null : current.getRouteVersion(), |
| | | dispatchStationId, triggerName, recordDispatchCostMs); |
| | | if (recordDispatchCostMs > RECORD_DISPATCH_SLOW_THRESHOLD_MS) { |
| | | log.warn("recordDispatch slow, taskNo={}, dispatchStationId={}, triggerName={}, recordDispatchCostMs={}ms, pathSize={}", |
| | | taskNo, dispatchStationId, triggerName, recordDispatchCostMs, |
| | | fullPathStationIds == null ? 0 : fullPathStationIds.size()); |
| | | } |
| | | |
| | | if (circleRoute) { |
| | | saveLegacyCircleCommand(taskNo, command); |
| | |
| | | clearLegacyCircleCommand(taskNo); |
| | | return null; |
| | | } |
| | | log.info("cancelSession, taskNo={}, routeVersion={}, cancelReason=reroute_cancelled", taskNo, session.getRouteVersion()); |
| | | session.setStatus(StationMoveSession.STATUS_CANCELLED); |
| | | session.setCancelReason("reroute_cancelled"); |
| | | saveSession(session); |
| | |
| | | } |
| | | StationMoveSession session = sessionRegistry.load(taskNo); |
| | | if (session == null || !Objects.equals(session.getRouteVersion(), routeVersion)) { |
| | | log.warn("updateTerminal skipped: session mismatch, taskNo={}, cmdRouteVersion={}, sessionRouteVersion={}, targetStatus={}, cancelReason={}", |
| | | taskNo, routeVersion, session == null ? null : session.getRouteVersion(), status, cancelReason); |
| | | return; |
| | | } |
| | | log.info("updateTerminal, taskNo={}, routeVersion={}, status={}, cancelReason={}", taskNo, routeVersion, status, cancelReason); |
| | | session.setCurrentStationId(currentStationId); |
| | | session.setStatus(status); |
| | | session.setCancelReason(cancelReason); |