From 1ad4e77cc910abdb7e95ebea160473526c8ac9ce Mon Sep 17 00:00:00 2001
From: guoshilong <123456>
Date: Sun, 08 Oct 2023 17:32:13 +0800
Subject: [PATCH] 添加重复定时和连续执行

---
 src/main/java/com/dji/sample/wayline/service/impl/FlightTaskServiceImpl.java |  283 ++++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 204 insertions(+), 79 deletions(-)

diff --git a/src/main/java/com/dji/sample/wayline/service/impl/FlightTaskServiceImpl.java b/src/main/java/com/dji/sample/wayline/service/impl/FlightTaskServiceImpl.java
index 83b3247..893b0bc 100644
--- a/src/main/java/com/dji/sample/wayline/service/impl/FlightTaskServiceImpl.java
+++ b/src/main/java/com/dji/sample/wayline/service/impl/FlightTaskServiceImpl.java
@@ -1,34 +1,39 @@
 package com.dji.sample.wayline.service.impl;
 
+import com.dji.sample.common.error.CommonErrorEnum;
 import com.dji.sample.common.model.ResponseResult;
 import com.dji.sample.component.mqtt.model.*;
 import com.dji.sample.component.mqtt.service.IMessageSenderService;
 import com.dji.sample.component.redis.RedisConst;
 import com.dji.sample.component.redis.RedisOpsUtils;
 import com.dji.sample.component.websocket.model.BizCodeEnum;
-import com.dji.sample.component.websocket.model.CustomWebSocketMessage;
 import com.dji.sample.component.websocket.service.ISendMessageService;
-import com.dji.sample.component.websocket.service.IWebSocketManageService;
 import com.dji.sample.manage.model.dto.DeviceDTO;
 import com.dji.sample.manage.model.enums.UserTypeEnum;
-import com.dji.sample.wayline.model.dto.FlightTaskProgressReceiver;
+import com.dji.sample.manage.service.IDeviceRedisService;
+import com.dji.sample.media.model.MediaFileCountDTO;
 import com.dji.sample.wayline.model.dto.WaylineJobDTO;
+import com.dji.sample.wayline.model.dto.WaylineJobKey;
+import com.dji.sample.wayline.model.dto.WaylineTaskProgressReceiver;
 import com.dji.sample.wayline.model.enums.WaylineJobStatusEnum;
+import com.dji.sample.wayline.model.enums.WaylineTaskTypeEnum;
 import com.dji.sample.wayline.service.IFlightTaskService;
 import com.dji.sample.wayline.service.IWaylineJobService;
+import com.dji.sample.wayline.service.IWaylineRedisService;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.http.HttpStatus;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.integration.annotation.ServiceActivator;
-import org.springframework.integration.mqtt.support.MqttHeaders;
 import org.springframework.messaging.MessageHeaders;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
 
 import java.time.LocalDateTime;
-import java.util.Objects;
+import java.time.ZoneId;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -50,23 +55,27 @@
     private ISendMessageService websocketMessageService;
 
     @Autowired
-    private IWebSocketManageService webSocketManageService;
-
-    @Autowired
-    private RedisOpsUtils redisOps;
-
-    @Autowired
     private IWaylineJobService waylineJobService;
 
-    @Override
-    @ServiceActivator(inputChannel = ChannelName.INBOUND_EVENTS_FLIGHT_TASK_PROGRESS, outputChannel = ChannelName.OUTBOUND)
-    public void handleProgress(CommonTopicReceiver receiver, MessageHeaders headers) {
-        EventsReceiver<FlightTaskProgressReceiver> eventsReceiver = mapper.convertValue(receiver.getData(),
-                new TypeReference<EventsReceiver<FlightTaskProgressReceiver>>(){});
+    @Autowired
+    private IDeviceRedisService deviceRedisService;
+
+    @Autowired
+    private IWaylineRedisService waylineRedisService;
+
+    /**
+     * Handle the progress messages of the flight tasks reported by the dock.
+     * @param receiver
+     * @param headers
+     */
+    @ServiceActivator(inputChannel = ChannelName.INBOUND_EVENTS_FLIGHT_TASK_PROGRESS, outputChannel = ChannelName.OUTBOUND_EVENTS)
+    public CommonTopicReceiver handleProgress(CommonTopicReceiver receiver, MessageHeaders headers) {
+        EventsReceiver<WaylineTaskProgressReceiver> eventsReceiver = mapper.convertValue(receiver.getData(),
+                new TypeReference<EventsReceiver<WaylineTaskProgressReceiver>>(){});
         eventsReceiver.setBid(receiver.getBid());
         eventsReceiver.setSn(receiver.getGateway());
 
-        FlightTaskProgressReceiver output = eventsReceiver.getOutput();
+        WaylineTaskProgressReceiver output = eventsReceiver.getOutput();
 
         log.info("Task progress: {}", output.getProgress().toString());
 
@@ -75,83 +84,199 @@
         }
 
         EventsResultStatusEnum statusEnum = EventsResultStatusEnum.find(output.getStatus());
-        if (statusEnum.getEnd()) {
-            WaylineJobDTO job = WaylineJobDTO.builder()
-                    .jobId(receiver.getBid())
-                    .status(WaylineJobStatusEnum.SUCCESS.getVal())
-                    .endTime(LocalDateTime.now())
-                    .mediaCount(output.getExt().getMediaCount())
-                    .build();
+        waylineRedisService.setRunningWaylineJob(receiver.getGateway(), eventsReceiver);
 
-            if (EventsResultStatusEnum.OK != statusEnum) {
-                job.setCode(eventsReceiver.getResult());
-                job.setStatus(WaylineJobStatusEnum.FAILED.getVal());
-            }
-
-            waylineJobService.updateJob(job);
-            redisOps.del(receiver.getBid());
+        Optional<DeviceDTO> deviceOpt = deviceRedisService.getDeviceOnline(receiver.getGateway());
+        if (deviceOpt.isEmpty()) {
+            return null;
         }
-        redisOps.setWithExpire(receiver.getBid(), eventsReceiver, RedisConst.DEVICE_ALIVE_SECOND * RedisConst.DEVICE_ALIVE_SECOND);
 
-        DeviceDTO device = (DeviceDTO) redisOps.get(RedisConst.DEVICE_ONLINE_PREFIX + receiver.getGateway());
-        websocketMessageService.sendBatch(
-                webSocketManageService.getValueWithWorkspaceAndUserType(
-                        device.getWorkspaceId(), UserTypeEnum.WEB.getVal()),
-                CustomWebSocketMessage.builder()
-                        .data(eventsReceiver)
-                        .timestamp(System.currentTimeMillis())
-                        .bizCode(BizCodeEnum.FLIGHT_TASK_PROGRESS.getCode())
-                        .build());
+        if (statusEnum.getEnd()) {
+            handleEndStatus(receiver, statusEnum, output.getExt().getMediaCount(), eventsReceiver.getResult(), deviceOpt.get());
+        }
 
-        if (receiver.getNeedReply() == 1) {
-            String topic = headers.get(MqttHeaders.RECEIVED_TOPIC) + TopicConst._REPLY_SUF;
-            messageSender.publish(topic,
-                    CommonTopicResponse.builder()
-                            .tid(receiver.getTid())
-                            .bid(receiver.getBid())
-                            .method(EventsMethodEnum.FLIGHT_TASK_PROGRESS.getMethod())
-                            .timestamp(System.currentTimeMillis())
-                            .data(RequestsReply.success())
-                            .build());
+        websocketMessageService.sendBatch(deviceOpt.get().getWorkspaceId(), UserTypeEnum.WEB.getVal(),
+                        BizCodeEnum.FLIGHT_TASK_PROGRESS.getCode(), eventsReceiver);
+
+        return receiver;
+    }
+
+    private void handleEndStatus(CommonTopicReceiver receiver, EventsResultStatusEnum statusEnum, int mediaCount, int code, DeviceDTO dock) {
+
+        WaylineJobDTO job = WaylineJobDTO.builder()
+                .jobId(receiver.getBid())
+                .status(WaylineJobStatusEnum.SUCCESS.getVal())
+                .completedTime(LocalDateTime.now())
+                .mediaCount(mediaCount)
+                .build();
+
+        // record the update of the media count.
+        if (Objects.nonNull(job.getMediaCount()) && job.getMediaCount() != 0) {
+            RedisOpsUtils.hashSet(RedisConst.MEDIA_FILE_PREFIX + receiver.getGateway(), job.getJobId(),
+                    MediaFileCountDTO.builder().jobId(receiver.getBid()).mediaCount(job.getMediaCount()).uploadedCount(0).build());
+        }
+
+        if (EventsResultStatusEnum.OK != statusEnum) {
+            job.setCode(code);
+            job.setStatus(WaylineJobStatusEnum.FAILED.getVal());
+        }
+
+        waylineRedisService.getConditionalWaylineJob(receiver.getBid()).ifPresent(waylineJob ->
+                retryPrepareConditionJob(new WaylineJobKey(dock.getWorkspaceId(), dock.getDeviceSn(), receiver.getBid()), waylineJob));
+        waylineJobService.updateJob(job);
+        waylineRedisService.delRunningWaylineJob(receiver.getGateway());
+        waylineRedisService.delPausedWaylineJob(receiver.getBid());
+        waylineRedisService.delBlockedWaylineJobId(receiver.getGateway());
+
+    }
+
+    /**
+     * Notifications will be received through this interface when tasks are ready on the device.
+     * @param receiver
+     * @param headers
+     */
+    @ServiceActivator(inputChannel = ChannelName.INBOUND_EVENTS_FLIGHT_TASK_READY, outputChannel = ChannelName.OUTBOUND_EVENTS)
+    public CommonTopicReceiver handleTaskNotifications(CommonTopicReceiver receiver, MessageHeaders headers) {
+        String dockSn  = receiver.getGateway();
+        Set<String> flightIds = mapper.convertValue(receiver.getData(),
+                new TypeReference<Map<String, Set<String>>>(){}).get(MapKeyConst.FLIGHT_IDS);
+
+        log.info("ready task list:{}", Arrays.toString(flightIds.toArray()));
+        // Check conditional task blocking status.
+        String blockedId = waylineRedisService.getBlockedWaylineJobId(dockSn);
+        if (StringUtils.hasText(blockedId)) {
+            log.info("The dock is in a state of wayline congestion, and the task will not be executed.");
+            return null;
+        }
+
+        Optional<DeviceDTO> deviceOpt = deviceRedisService.getDeviceOnline(dockSn);
+        if (deviceOpt.isEmpty()) {
+            log.info("The dock is offline.");
+            return null;
+        }
+        DeviceDTO device = deviceOpt.get();
+        Optional<WaylineJobDTO> jobOpt = waylineJobService.getJobsByConditions(device.getWorkspaceId(), flightIds, WaylineJobStatusEnum.PENDING)
+                .stream().filter(job -> flightIds.contains(job.getJobId()))
+                .sorted(Comparator.comparingInt(a -> a.getTaskType().getVal()))
+                .min(Comparator.comparing(WaylineJobDTO::getBeginTime));
+        if (jobOpt.isEmpty()) {
+            return receiver;
+        }
+        executeReadyTask(jobOpt.get());
+
+        return receiver;
+    }
+
+    private void executeReadyTask(WaylineJobDTO waylineJob) {
+        try {
+            boolean isExecute = waylineJobService.executeFlightTask(waylineJob.getWorkspaceId(), waylineJob.getJobId());
+            if (isExecute || WaylineTaskTypeEnum.CONDITION != waylineJob.getTaskType()) {
+                return;
+            }
+            Optional<WaylineJobDTO> waylineJobOpt = waylineRedisService.getConditionalWaylineJob(waylineJob.getJobId());
+            if (waylineJobOpt.isEmpty()) {
+                log.info("The conditional job has expired and will no longer be executed.");
+                return;
+            }
+            waylineJob = waylineJobOpt.get();
+            this.retryPrepareConditionJob(new WaylineJobKey(waylineJob.getWorkspaceId(), waylineJob.getDockSn(), waylineJob.getJobId()), waylineJob);
+        } catch (Exception e) {
+            log.error("Failed to execute task. ID: {}, Name:{}", waylineJob.getJobId(), waylineJob.getJobName());
+            this.retryPrepareConditionJob(new WaylineJobKey(waylineJob.getWorkspaceId(), waylineJob.getDockSn(), waylineJob.getJobId()), waylineJob);
+            e.printStackTrace();
         }
     }
 
     @Scheduled(initialDelay = 10, fixedRate = 5, timeUnit = TimeUnit.SECONDS)
-    private void checkScheduledJob() {
-        Object jobIdValue = redisOps.zGetMin(RedisConst.WAYLINE_JOB);
-        log.info("Check the timed jobs of the wayline. {}", jobIdValue);
-        if (Objects.isNull(jobIdValue)) {
+    private void prepareWaylineJob() {
+        Optional<WaylineJobKey> jobKeyOpt = waylineRedisService.getNearestPreparedWaylineJob();
+        if (jobKeyOpt.isEmpty()) {
             return;
         }
-        String jobId = String.valueOf(jobIdValue);
-        double time = redisOps.zScore(RedisConst.WAYLINE_JOB, jobIdValue);
-        long now = System.currentTimeMillis();
-        int offset = 30_000;
+        // format: {workspace_id}:{dock_sn}:{job_id}
+        WaylineJobKey jobKey = jobKeyOpt.get();
+        log.info("Check the prepared tasks of the wayline. {}", jobKey.toString());
 
-        // Expired tasks are deleted directly.
-        if (time < now - offset) {
-            redisOps.zRemove(RedisConst.WAYLINE_JOB, jobId);
-            waylineJobService.updateJob(WaylineJobDTO.builder()
-                    .jobId(jobId)
-                    .status(WaylineJobStatusEnum.FAILED.getVal())
-                    .endTime(LocalDateTime.now())
-                    .code(HttpStatus.SC_REQUEST_TIMEOUT).build());
+        WaylineJobDTO job = WaylineJobDTO.builder()
+                .jobId(jobKey.getJobId())
+                .status(WaylineJobStatusEnum.FAILED.getVal())
+                .executeTime(LocalDateTime.now())
+                .completedTime(LocalDateTime.now())
+                .code(HttpStatus.SC_INTERNAL_SERVER_ERROR).build();
+        Optional<WaylineJobDTO> waylineJobOpt = getPreparedJob(jobKey, job);
+        if (waylineJobOpt.isEmpty()) {
             return;
         }
 
-        if (now <= time && time <= now + offset) {
-            try {
-                waylineJobService.executeFlightTask(jobId);
-            } catch (Exception e) {
-                log.info("The scheduled task delivery failed.");
-                waylineJobService.updateJob(WaylineJobDTO.builder()
-                        .jobId(jobId)
-                        .status(WaylineJobStatusEnum.FAILED.getVal())
-                        .endTime(LocalDateTime.now())
-                        .code(HttpStatus.SC_INTERNAL_SERVER_ERROR).build());
-            } finally {
-                redisOps.zRemove(RedisConst.WAYLINE_JOB, jobId);
+        WaylineJobDTO waylineJob = waylineJobOpt.get();
+        try {
+            ResponseResult result = waylineJobService.publishOneFlightTask(waylineJob);
+            if (ResponseResult.CODE_SUCCESS == result.getCode()) {
+                return;
+            }
+            log.info("Failed to prepare the task. {}", result.getMessage());
+            job.setCode(result.getCode());
+            waylineJobService.updateJob(job);
+            // Retry if the end time has not been exceeded.
+            this.retryPrepareConditionJob(jobKey, waylineJob);
+        } catch (Exception e) {
+            log.info("Failed to prepare the task. {}", e.getLocalizedMessage());
+            waylineJobService.updateJob(job);
+            this.retryPrepareConditionJob(jobKey, waylineJob);
+        }
+    }
+
+    private boolean checkTime(long time) {
+        // prepare the task one day in advance.
+        int offset = 86_400_000;
+        return System.currentTimeMillis() + offset >= time;
+    }
+
+    private Optional<WaylineJobDTO> getPreparedJob(WaylineJobKey jobKey, WaylineJobDTO job) {
+        long time = waylineRedisService.getPreparedWaylineJobTime(jobKey).longValue();
+        if (!checkTime(time)) {
+            return Optional.empty();
+        }
+
+        Optional<WaylineJobDTO> waylineJobOpt = waylineRedisService.getConditionalWaylineJob(jobKey.getJobId());
+        // Determine whether the conditional task or the scheduled task has expired.
+        if (waylineJobOpt.isEmpty()) {
+            waylineJobOpt = waylineJobService.getJobByJobId(jobKey.getWorkspaceId(), jobKey.getJobId());
+            if (waylineJobOpt.isEmpty() || waylineJobOpt.get().getEndTime().isBefore(LocalDateTime.now())) {
+                job.setCode(CommonErrorEnum.REDIS_DATA_NOT_FOUND.getErrorCode());
+                waylineJobService.updateJob(job);
+                return Optional.empty();
             }
         }
+        waylineRedisService.removePreparedWaylineJob(jobKey);
+        return waylineJobOpt;
+    }
+
+    private void retryPrepareConditionJob(WaylineJobKey jobKey, WaylineJobDTO waylineJob) {
+        if (WaylineTaskTypeEnum.CONDITION != waylineJob.getTaskType()) {
+            return;
+        }
+        // If the end time is exceeded, no more retries will be made.
+        waylineRedisService.delConditionalWaylineJob(jobKey.getJobId());
+        if (waylineJob.getEndTime().atZone(ZoneId.systemDefault()).toInstant().toEpochMilli() < System.currentTimeMillis()) {
+            return;
+        }
+
+        Optional<WaylineJobDTO> childJobOpt = waylineJobService.createWaylineJobByParent(jobKey.getWorkspaceId(), jobKey.getJobId());
+        if (childJobOpt.isEmpty()) {
+            log.error("Failed to create wayline job.");
+            return;
+        }
+
+        WaylineJobDTO newJob = childJobOpt.get();
+        newJob.setBeginTime(LocalDateTime.now().plusSeconds(RedisConst.WAYLINE_JOB_BLOCK_TIME));
+        boolean isAdd = waylineRedisService.addPreparedWaylineJob(newJob);
+        if (!isAdd) {
+            log.error("Failed to create wayline job. {}", newJob.getJobId());
+            return;
+        }
+
+        waylineJob.setJobId(newJob.getJobId());
+        waylineRedisService.setConditionalWaylineJob(waylineJob);
     }
 }

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