package com.zy.core.task;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.serializer.SerializerFeature;
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import com.zy.asrs.entity.DeviceDataLog;
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import com.zy.asrs.service.DeviceDataLogService;
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import com.zy.common.utils.RedisUtil;
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import com.zy.core.enums.RedisKeyType;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Component;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
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import java.text.SimpleDateFormat;
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import java.util.Comparator;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Set;
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import java.util.List;
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import java.util.ArrayList;
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import java.util.Map;
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import java.util.stream.Collectors;
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@Slf4j
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@Component
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public class DeviceLogScheduler {
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@Value("${deviceLogStorage.type}")
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private String storageType;
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@Value("${deviceLogStorage.loggingPath}")
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private String loggingPath;
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@Autowired
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private DeviceDataLogService deviceDataLogService;
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@Autowired
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private RedisUtil redisUtil;
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@Scheduled(cron = "0/3 * * * * ? ")
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public void execute() {
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int maxCount = 100;
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Set<String> keys = redisUtil.scanKeys(RedisKeyType.DEVICE_LOG_KEY.key, maxCount);
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if (keys == null || keys.isEmpty()) {
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return;
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}
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List<Object> values = redisUtil.multiGet(keys);
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List<DeviceDataLog> list = new ArrayList<>();
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for (Object object : values) {
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if (object instanceof DeviceDataLog) {
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list.add((DeviceDataLog) object);
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}
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}
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if (!list.isEmpty()) {
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if ("mysql".equals(storageType)) {
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mysqlSave(keys, list);
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}else if ("file".equals(storageType)) {
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fileSave(keys, list);
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}else {
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log.error("未定义的存储类型：{}", storageType);
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}
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}
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}
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private void mysqlSave(Set<String> keys, List<DeviceDataLog> list) {
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if (deviceDataLogService.saveBatch(list)) {
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redisUtil.del(keys.toArray(new String[0]));
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}
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}
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private void fileSave(Set<String> keys, List<DeviceDataLog> list) {
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try {
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Path baseDir = Paths.get(loggingPath);
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Files.createDirectories(baseDir);
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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Map<String, Map<String, List<DeviceDataLog>>> group = new HashMap<>();
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for (DeviceDataLog logItem : list) {
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String typeName = logItem.getType();
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String datePart = sdf.format(logItem.getCreateTime() == null ? new Date() : logItem.getCreateTime());
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String prefix = typeName + "_" + String.valueOf(logItem.getDeviceNo()) + "_" + datePart + "_";
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group.computeIfAbsent(datePart, k -> new HashMap<>())
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.computeIfAbsent(prefix, k -> new ArrayList<>())
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.add(logItem);
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}
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for (Map.Entry<String, Map<String, List<DeviceDataLog>>> dateEntry : group.entrySet()) {
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Path dayDir = baseDir.resolve(dateEntry.getKey());
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Files.createDirectories(dayDir);
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for (Map.Entry<String, List<DeviceDataLog>> entry : dateEntry.getValue().entrySet()) {
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String prefix = entry.getKey();
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List<DeviceDataLog> logs = entry.getValue();
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logs.sort(Comparator.comparing(DeviceDataLog::getCreateTime, Comparator.nullsLast(Date::compareTo)));
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int index = findStartIndex(dayDir, prefix);
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Path current = dayDir.resolve(prefix + index + ".log");
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if (!Files.exists(current)) {
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Files.createFile(current);
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}
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long size = Files.size(current);
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long max = 1024L * 1024L;
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for (DeviceDataLog d : logs) {
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String json = JSON.toJSONStringWithDateFormat(d, "yyyy-MM-dd HH:mm:ss.SSS", SerializerFeature.WriteDateUseDateFormat);
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byte[] line = (json + System.lineSeparator()).getBytes(StandardCharsets.UTF_8);
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if (size + line.length > max) {
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index++;
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current = dayDir.resolve(prefix + index + ".log");
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Files.createFile(current);
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size = 0;
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}
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Files.write(current, line, StandardOpenOption.CREATE, StandardOpenOption.APPEND);
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size += line.length;
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}
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}
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}
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redisUtil.del(keys.toArray(new String[0]));
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} catch (Exception e) {
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log.error("设备日志文件存储失败", e);
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}
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}
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private int findStartIndex(Path baseDir, String prefix) throws Exception {
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List<Path> matched = Files.list(baseDir)
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.filter(p -> {
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String n = p.getFileName().toString();
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return n.startsWith(prefix) && n.endsWith(".log");
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})
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.collect(Collectors.toList());
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int maxIdx = 0;
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for (Path p : matched) {
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String name = p.getFileName().toString();
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String suf = name.substring(prefix.length());
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if (!suf.isEmpty()) {
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try {
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int val = Integer.parseInt(suf.replace(".log", ""));
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if (val > maxIdx) {
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maxIdx = val;
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}
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} catch (NumberFormatException ignored) {}
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}
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}
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int candidate = maxIdx == 0 ? 1 : maxIdx;
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Path path = baseDir.resolve(prefix + candidate + ".log");
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if (Files.exists(path)) {
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long size = Files.size(path);
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if (size >= 1024L * 1024L) {
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return candidate + 1;
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}
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}
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return candidate;
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}
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}
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