From 1de35281a699b8d2ca90777f63c7e032c3c9dc3d Mon Sep 17 00:00:00 2001
From: yeg <1347747024@qq.com>
Date: 星期一, 12 十月 2026 13:34:34 +0800
Subject: [PATCH] 对接第 6 台新威上位机(7.6 客户端,走库路线),并修两处对接中暴露的问题

---
 battery-device-bts/src/main/java/com/battery/device/bts/BtsXmlCodec.java |  516 +++++++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 409 insertions(+), 107 deletions(-)

diff --git a/battery-device-bts/src/main/java/com/battery/device/bts/BtsXmlCodec.java b/battery-device-bts/src/main/java/com/battery/device/bts/BtsXmlCodec.java
index d9a0468..77f11f4 100644
--- a/battery-device-bts/src/main/java/com/battery/device/bts/BtsXmlCodec.java
+++ b/battery-device-bts/src/main/java/com/battery/device/bts/BtsXmlCodec.java
@@ -2,6 +2,7 @@
 
 import java.io.StringReader;
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
@@ -23,27 +24,35 @@
 import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;
 import org.xml.sax.helpers.DefaultHandler;
-import com.battery.device.model.ChannelIdentity;
-import com.battery.device.model.DetectedChannel;
-import com.battery.device.model.DetectedDeviceMetadata;
-import com.battery.device.model.DeviceWorkStatus;
-import com.battery.device.model.HistoryAvailability;
-import com.battery.device.model.HistoryPage;
-import com.battery.device.model.HistorySample;
-import com.battery.device.model.Measurement;
-import com.battery.device.model.RealtimeSnapshot;
+import com.battery.device.api.StepDirectionResolver;
+import com.battery.device.api.TestDataObservationAdapter.CabinetRealtime;
+import com.battery.device.api.TestDataObservationAdapter.StepRecord;
+import com.battery.device.api.model.ChannelIdentity;
+import com.battery.device.api.model.DeviceConnectionStatus;
+import com.battery.device.api.model.DetectedChannel;
+import com.battery.device.api.model.DetectedDeviceMetadata;
+import com.battery.device.api.model.DeviceWorkStatus;
+import com.battery.device.api.model.Measurement;
+import com.battery.device.api.model.PlannedStep;
+import com.battery.device.api.model.RealtimeSnapshot;
 
 public final class BtsXmlCodec
 {
     private static final DateTimeFormatter BTS_TIME = DateTimeFormatter.ofPattern("yyyy-MM-dd HH.mm.ss");
+    /** {@code download} 的 {@code atime} 用空格分隔(与 {@code inquire} 的点号形式不同)。 */
+    private static final DateTimeFormatter BTS_DATA_TIME = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
     private static final Set<String> SNAPSHOT_ATTRIBUTES = Set.of(
             "dev", "cycle_id", "step_id", "step_type", "workstatus", "barcode", "current", "voltage",
-            "capacity", "energy", "totaltime", "relativetime", "auxtemp", "auxvol", "open_or_close", "log_code");
-    private static final Set<String> HISTORY_ATTRIBUTES = Set.of(
-            "seqid", "stepid", "cycleid", "steptype", "testtime", "atime", "volt", "curr", "cap", "eng");
+            "capacity", "energy", "totaltime", "relativetime", "auxtemp", "auxvol", "open_or_close", "log_code",
+            "device_time", "deviceTime", "time", "atime", "testtime");
+    /** 单次 {@code download} 一页的行数上限;协议文档写 {@code count} 不超过 1000。 */
+    public static final int MAX_DOWNLOAD_PAGE = 1000;
+    /** 增量水位与逐点读取用的命令名;实测应答把 {@code download} 拼成了 {@code donwload}。 */
+    private static final Set<String> DOWNLOAD_COMMANDS = Set.of("download_resp", "donwload_resp");
 
     private final String adapterCode;
     private final ZoneId deviceZone;
+    private final StepDirectionResolver directions = new BtsStepDirectionResolver();
 
     public BtsXmlCodec(String adapterCode, ZoneId deviceZone)
     {
@@ -52,11 +61,21 @@
         this.deviceZone = deviceZone;
     }
 
+    /** 构造通道发现的请求报文({@code getdevinfo})。 */
     public String getDeviceInfoRequest()
     {
         return envelope("<cmd>getdevinfo</cmd>");
     }
 
+    /** 返回解释设备时间用的现场时区标识,供逐点行按来源保存时区。 */
+    public String timezoneId()
+    {
+        return deviceZone.getId();
+    }
+
+    /**
+     * 构造按通道批量查询实时快照的请求报文({@code inquire});只接受属于本实例的通道身份。
+     */
     public String inquireRequest(Set<ChannelIdentity> channels, boolean includeBarcode)
     {
         StringBuilder list = new StringBuilder("<cmd>inquire</cmd><list count=\"").append(channels.size()).append("\">");
@@ -73,35 +92,230 @@
     }
 
     /**
-     * 查询各通道当前 BTS 测试的历史数据上传进度。
+     * 构造通道数据文件状态的请求报文({@code inquiredf}):返回该通道当前测试号与已落盘行数。
+     *
+     * <p>{@code testid="0"} 表示"该通道最近一次测试",实测应答会把真实测试号回显回来。
+     * 行数随测试进行实时增长,因此它是逐点接收的增量水位。
      */
-    public String inquireHistoryRequest(Set<ChannelIdentity> channels)
-    {
-        StringBuilder list = new StringBuilder("<cmd>inquiredf</cmd><list count=\"").append(channels.size()).append("\">");
-        for (ChannelIdentity channel : channels)
-        {
-            requireOwned(channel);
-            list.append("<chl devtype=\"").append(channel.devtype())
-                    .append("\" devid=\"").append(channel.devid())
-                    .append("\" subdevid=\"").append(channel.subdevid())
-                    .append("\" chlid=\"").append(channel.chlid())
-                    .append("\" testid=\"0\"/>");
-        }
-        return envelope(list.append("</list>").toString());
-    }
-
-    public String downloadRequest(ChannelIdentity channel, String btsTestId, long startPosition, int limit)
+    public String inquiredfRequest(ChannelIdentity channel)
     {
         requireOwned(channel);
-        if (btsTestId == null || btsTestId.isBlank()) throw new IllegalArgumentException("btsTestId must not be blank");
-        if (startPosition < 1) throw new IllegalArgumentException("startPosition must be positive");
-        if (limit < 1 || limit > 1000) throw new IllegalArgumentException("BTS history limit must be between 1 and 1000");
-        return envelope("<cmd>download</cmd><download devtype=\"" + channel.devtype()
+        return envelope("<cmd>inquiredf</cmd><list count=\"1\"><chl devtype=\"" + channel.devtype()
                 + "\" devid=\"" + channel.devid() + "\" subdevid=\"" + channel.subdevid()
-                + "\" chlid=\"" + channel.chlid() + "\" auxid=\"0\" testid=\"" + escape(btsTestId)
-                + "\" startpos=\"" + startPosition + "\" count=\"" + limit + "\"/>");
+                + "\" chlid=\"" + channel.chlid() + "\" testid=\"0\"/></list>");
     }
 
+    /**
+     * 构造逐点下载的请求报文({@code download}),分页取 {@code [startPosition, …]} 起 {@code count} 行。
+     *
+     * <p>{@code testid="0"} 由厂商解释为"该通道最近一次测试";实测应答回显真实测试号,
+     * 所以调用方不必先知道测试号。{@code startPosition} 从 1 起且等于行的 {@code seqid}。
+     */
+    public String downloadRequest(ChannelIdentity channel, long testId, long startPosition, int count)
+    {
+        requireOwned(channel);
+        if (startPosition < 1) throw new IllegalArgumentException("startPosition must be positive");
+        if (count < 1 || count > MAX_DOWNLOAD_PAGE)
+            throw new IllegalArgumentException("count must be between 1 and " + MAX_DOWNLOAD_PAGE);
+        return envelope("<cmd>download</cmd><download devtype=\"" + channel.devtype()
+                + "\" devid=\"" + channel.devid() + "\" subdevid=\"" + channel.subdevid()
+                + "\" chlid=\"" + channel.chlid() + "\" auxid=\"0\" testid=\"" + testId
+                + "\" startpos=\"" + startPosition + "\" count=\"" + count + "\"/>");
+    }
+
+    /**
+     * 解析 {@code inquiredf_resp},取出该通道当前测试号与已落盘行数。
+     *
+     * <p>现场实测应答形如
+     * {@code <chl devtype="25" devid="81" subdevid="1" chlid="2" testid="316" count="637">false</chl>}。
+     * 末尾的布尔值是厂商自报的"该测试数据是否已传完";{@code false} 表示数据尚不完整,
+     * 调用方**不得把这段数据当完整事实**(ADR-0068 未决 5:实测有历史测试只覆盖约 1 天却报 {@code false})。
+     *
+     * @param xml 应答原文
+     * @return 该通道的数据文件状态
+     * @throws BtsProtocolException 应答不是 {@code inquiredf_resp},或没有该通道的记录
+     */
+    public DataFileState parseDataFileState(String xml)
+    {
+        Document document = parse(xml, "inquiredf_resp");
+        Element chl = firstElement(document, "chl");
+        return new DataFileState(toLong(requiredAttribute(chl, "testid"), "testid"),
+                toLong(requiredAttribute(chl, "count"), "count"),
+                Boolean.parseBoolean(chl.getTextContent().trim()));
+    }
+
+    /**
+     * 解析 {@code download_resp}(厂商固件拼作 {@code donwload_resp})为逐点行。
+     *
+     * <p>每条 {@code <data/>} 是设备采样行原文:{@code seqid}/{@code stepid}/{@code cycleid}/
+     * {@code steptype}/{@code testtime}/{@code atime}/{@code volt}/{@code curr}/{@code cap}/{@code eng}。
+     * 与 {@code inquire} 相比,这里的测量值是**全精度**、且带**绝对时间**,所以测量值与时间轴取这里。
+     *
+     * <p>约定与实测口径:{@code testtime} 是毫秒(换成秒存的相对时长);{@code cycleid} 是 0 起
+     * (与库里的 {@code cycle} 一致,而 {@code inquire} 的 {@code cycle_id} 是 1 起);
+     * {@code volt}/{@code curr}/{@code cap}/{@code eng} 已是 V/A/Ah/Wh 物理单位,不做换算。
+     * 每行身份 = {@code 测试号:seqid}({@code seqid} 在每个测试内从 1 重编,只按它会在两次测试间撞键)。
+     *
+     * @param xml        应答原文
+     * @param receivedAt 服务器接收时间
+     * @return 按应答顺序的逐点行;该页没有数据时为空列表
+     * @throws BtsProtocolException 应答不是 download 命令的应答
+     */
+    public List<CabinetRealtime> parseDownload(String xml, Instant receivedAt)
+    {
+        Document document = parse(xml, DOWNLOAD_COMMANDS.toArray(String[]::new));
+        NodeList nodes = document.getElementsByTagName("data");
+        if (nodes.getLength() == 0) return List.of();
+        // 测试号取自应答回显(请求发的 0 会被换成真实测试号),它和 seqid 一起构成行的稳定身份。
+        Element header = optionalElement(document, "download");
+        String testId = header == null ? "" : optionalAttribute(header, "testid");
+        String zoneId = deviceZone.getId();
+        List<CabinetRealtime> rows = new ArrayList<>(nodes.getLength());
+        for (int i = 0; i < nodes.getLength(); i++)
+        {
+            Element data = (Element) nodes.item(i);
+            String stepType = optionalAttribute(data, "steptype");
+            String rawTime = requiredAttribute(data, "atime");
+            long sequenceId = toLong(requiredAttribute(data, "seqid"), "seqid");
+            rows.add(new CabinetRealtime(sequenceId, parseDataTime(rawTime),
+                    doubleValue(data, "curr"), doubleValue(data, "volt"), doubleValue(data, "cap"),
+                    doubleValue(data, "eng"), optionalInteger(data, "cycleid") == null ? 0 : optionalInteger(data, "cycleid"),
+                    optionalInteger(data, "stepid") == null ? 0 : optionalInteger(data, "stepid"),
+                    directions.resolve(stepType).displayName(), stepType, receivedAt, rawTime, zoneId,
+                    millisecondsToSeconds(optionalDecimal(data, "testtime")),
+                    testId.isBlank() ? null : testId + ":" + sequenceId));
+        }
+        return List.copyOf(rows);
+    }
+
+    /** 该通道的数据文件状态:测试号、已落盘行数、厂商自报的数据是否完整。 */
+    public record DataFileState(long testId, long count, boolean complete) { }
+
+    /**
+     * 构造工步层下载的请求报文({@code downloadStepLayer})。
+     *
+     * <p>现场实测:只发命令与 {@code downloadStepLayer} 元素即可,文档里的 {@code V1I1}/{@code V2I2}
+     * 不填时按文档所说"用默认参数";{@code dcir="0"}"不计算 DCIR",我们只要工步事实、不做派生计算。
+     * 与 {@code download} 一样,{@code testid="0"} 表示"该通道最近一次测试",应答会回显真实测试号。
+     */
+    public String downloadStepLayerRequest(ChannelIdentity channel)
+    {
+        requireOwned(channel);
+        return envelope("<cmd>downloadStepLayer</cmd><downloadStepLayer devtype=\"" + channel.devtype()
+                + "\" devid=\"" + channel.devid() + "\" subdevid=\"" + channel.subdevid()
+                + "\" chlid=\"" + channel.chlid() + "\" testid=\"0\" dcir=\"0\"/>");
+    }
+
+    /**
+     * 解析 {@code downloadStepLayer_resp} 为工步记录。
+     *
+     * <p>每条 {@code <data/>} 是一个工步:{@code startseqid}/{@code endseqid}(该工步的首末数据序号)、
+     * {@code stepindex}(测试内的工步序号)、{@code stepid}(原始工步号,循环里会重复)、
+     * {@code cycleid}、{@code steptype}、{@code steptime}(工步运行时长,**毫秒**)、{@code endatime}
+     * (工步绝对结束时间)、{@code startvolt}/{@code endvolt}、{@code startcurr}/{@code endcurr}、
+     * {@code cap}/{@code eng}、{@code dcir}(mΩ)。
+     *
+     * <p>三处按实测钉死的口径:
+     *
+     * <ul>
+     *   <li><b>循环号要减一。</b>这条命令的 {@code cycleid} 是 **1 起**(第一步 {@code cycleid="1"}),
+     *       而 {@code download} 的 {@code cycleid} 与厂商库的 {@code cycle} 都是 **0 起**。
+     *       实测同一测试两处对照(工步层 {@code cycleid="1"}/逐点 {@code cycleid="0"})确认,
+     *       所以这里统一成 0 起,与库路线、逐点路线同口径。</li>
+     *   <li><b>开始时间 = 结束时间 − 工步时长。</b>应答只给 {@code endatime}。按两个独立样本核对过
+     *       ({@code endatime=09:09:14, steptime=23100 ms} → 09:08:50.9,该测试首行 {@code atime}=09:08:51),
+     *       所以这个减法还原的是设备事实,不是估算。缓冲里缺行时(实测有测试只覆盖约 1 天)
+     *       相邻两工步的首末不会接上,那是来源的数据缺口,不是这里算错。</li>
+     *   <li><b>{@code stepindex} 才是工步身份。</b>{@code stepid} 在循环里会重复(同一步在每轮循环再跑一遍),
+     *       用它做身份会撞键。</li>
+     * </ul>
+     *
+     * <p>方向的判定沿用既有解析器;{@code cap}/{@code eng} 在接口上是**单一值**(不分充放),
+     * 只在**充放电方向**给出。搁置步留空不是保守,是实测结论:接口对搁置步给的是跨步过渡值
+     * (实测等于上一步充电容量、甚至取负),照抄会写出不成立的事实(ADR-0069 §3)。
+     *
+     * @param xml        应答原文
+     * @param receivedAt 服务器接收时间
+     * @return 按应答顺序的工步记录;该通道缓冲里没有测试时为空列表
+     * @throws BtsProtocolException 应答不是 {@code downloadStepLayer_resp}
+     */
+    public List<StepRecord> parseStepLayer(String xml, Instant receivedAt)
+    {
+        Document document = parse(xml, "downloadStepLayer_resp");
+        NodeList nodes = document.getElementsByTagName("data");
+        if (nodes.getLength() == 0) return List.of();
+        Element header = optionalElement(document, "downloadStepLayer");
+        String testId = header == null ? "" : optionalAttribute(header, "testid");
+        String zoneId = deviceZone.getId();
+        List<StepRecord> steps = new ArrayList<>(nodes.getLength());
+        for (int i = 0; i < nodes.getLength(); i++)
+        {
+            Element data = (Element) nodes.item(i);
+            String stepType = optionalAttribute(data, "steptype");
+            StepDirectionResolver.Direction direction = directions.resolve(stepType);
+            String rawTime = requiredAttribute(data, "endatime");
+            Instant endedAt = parseDataTime(rawTime);
+            Long durationMillis = optionalDecimal(data, "steptime") == null ? null
+                    : optionalDecimal(data, "steptime").longValue();
+            int stepIndex = integer(requiredAttribute(data, "stepindex"), "stepindex");
+            // 应答里的 cycleid 是 1 起,逐点与厂商库都是 0 起;统一成 0 起。
+            int cycleNo = requiredInteger(data, "cycleid") - 1;
+            BigDecimal capacity = optionalDecimal(data, "cap");
+            BigDecimal energy = optionalDecimal(data, "eng");
+            // 单项容量能量只在**充放电方向**给出:接口的 cap/eng 是单一值,实测它对搁置步给的是
+            // 跨步过渡值(C 那台实测搁置步给 +0.290039804444444,等于上一步充电的容量;还有一次取负
+            // −0.178807573333333),并不是该步自身累计。照抄会写出"搁置步容量 0.29 Ah"这种不成立的事实;
+            // 而该步自身累计为 0 这件事设备没给,所以留空而不是补零(ADR-0069 §3)。
+            boolean singleValued = direction == StepDirectionResolver.Direction.CHARGE
+                    || direction == StepDirectionResolver.Direction.DISCHARGE;
+            steps.add(new StepRecord(testId.isBlank() ? null : "neware:" + testId + ":step:" + stepIndex, cycleNo,
+                    requiredInteger(data, "stepid"), direction.displayName(), stepType,
+                    durationMillis == null ? endedAt : endedAt.minusMillis(durationMillis),
+                    endedAt, doubleValue(data, "endvolt"), doubleValue(data, "endcurr"),
+                    singleValued && capacity != null ? capacity.doubleValue() : null,
+                    singleValued && energy != null ? energy.doubleValue() : null,
+                    rawTime, zoneId, receivedAt, stepMeasurements(data, durationMillis, capacity, energy)));
+        }
+        return List.copyOf(steps);
+    }
+
+    /**
+     * 工步的设备事实明细;映射表按已有键名口径命名,值全部来自应答原文。
+     *
+     * <p>应答给的 {@code cap}/{@code eng} 在搁置步是跨步过渡值(见上),所以明细里也按方向归属:
+     * 充放步留 {@code cap}/{@code eng} 原文,其余方向不留——明细与单项列不得互相矛盾。
+     */
+    private static Map<String, BigDecimal> stepMeasurements(Element data, Long durationMillis,
+            BigDecimal capacity, BigDecimal energy)
+    {
+        Map<String, BigDecimal> measurements = new LinkedHashMap<>();
+        if (durationMillis != null) measurements.put("stepDuration", BigDecimal.valueOf(durationMillis).movePointLeft(3));
+        put(measurements, data, "startSeqId", "startseqid");
+        put(measurements, data, "endSeqId", "endseqid");
+        put(measurements, data, "startVoltage", "startvolt");
+        put(measurements, data, "startCurrent", "startcurr");
+        put(measurements, data, "dcir", "dcir");
+        put(measurements, data, "endVoltage", "endvolt");
+        put(measurements, data, "endCurrent", "endcurr");
+        if (capacity != null) measurements.put("capacity", capacity);
+        if (energy != null) measurements.put("energy", energy);
+        return Map.copyOf(measurements);
+    }
+
+    private static void put(Map<String, BigDecimal> target, Element element, String key, String attribute)
+    {
+        BigDecimal value = optionalDecimal(element, attribute);
+        if (value != null) target.put(key, value);
+    }
+
+    private static int requiredInteger(Element element, String name)
+    {
+        return integer(requiredAttribute(element, name), name);
+    }
+
+
+
+    /** 解析 {@code getdevinfo_resp},按本实例的适配器编码生成检测柜通道清单。 */
     public List<DetectedChannel> parseDeviceInfo(String xml)
     {
         Document document = parse(xml, "getdevinfo_resp");
@@ -122,10 +336,38 @@
         return List.copyOf(channels);
     }
 
+    /**
+     * 解析 {@code inquire_resp} 并按通道身份归集实时快照;{@code receivedAt} 记为服务器接收时间。
+     *
+     * <p>身份取应答里的 {@code dev}。只有不带请求上下文的调用方该用它——服务端**会改写 {@code devtype}**
+     * (实测第四台:{@code getdevinfo} 报 {@code 27-76},{@code inquire} 却答 {@code dev="25-76-1-1-0"}),
+     * 所以按它归集会与调用方请求的身份对不上。带请求集合的调用请用
+     * {@link #parseSnapshots(String, Set, Instant)}。
+     */
     public Map<ChannelIdentity, RealtimeSnapshot> parseSnapshots(String xml, Instant receivedAt)
+    {
+        return parseSnapshots(xml, null, receivedAt);
+    }
+
+    /**
+     * 解析 {@code inquire_resp},并把结果归到**请求时用的通道身份**上。
+     *
+     * <p>归集按「{@code devid} + {@code subdevid} + {@code chlid}」匹配:服务端会改写 {@code devtype}
+     * (设备类型是服务端侧的登记事实,与它回报的取值不总一致),而单元与通道号在应答里是稳的。
+     * 这使调用方用自己登记的身份就能取回快照,不会因为服务端改写设备类型而拿到空值。
+     *
+     * @param xml        应答原文
+     * @param requested  本次请求的通道集合;为空时按应答自己的身份归集
+     * @param receivedAt 服务器接收时间
+     * @return 按通道身份归集的实时快照
+     */
+    public Map<ChannelIdentity, RealtimeSnapshot> parseSnapshots(String xml, Set<ChannelIdentity> requested,
+            Instant receivedAt)
     {
         Document document = parse(xml, "inquire_resp");
         NodeList nodes = firstElement(document, "list").getElementsByTagName("inquire");
+        Map<String, ChannelIdentity> requestedByVendorKey = new HashMap<>();
+        if (requested != null) requested.forEach(channel -> requestedByVendorKey.put(vendorKey(channel), channel));
         Map<ChannelIdentity, RealtimeSnapshot> snapshots = new LinkedHashMap<>();
         for (int i = 0; i < nodes.getLength(); i++)
         {
@@ -134,70 +376,30 @@
             if (device.length < 4)
                 throw new BtsProtocolException(BtsProtocolException.Reason.INVALID_VALUE,
                         "Invalid BTS dev identity: " + element.getAttribute("dev"));
-            ChannelIdentity identity = new ChannelIdentity(adapterCode, integer(device[0], "devtype"), integer(device[1], "devid"),
-                    integer(device[2], "subdevid"), integer(device[3], "chlid"));
+            ChannelIdentity reported = new ChannelIdentity(adapterCode, integer(device[0], "devtype"),
+                    integer(device[1], "devid"), integer(device[2], "subdevid"), integer(device[3], "chlid"));
+            ChannelIdentity identity = requestedByVendorKey.getOrDefault(vendorKey(reported), reported);
+            Instant deviceTime = optionalDeviceTime(element);
             snapshots.put(identity, new RealtimeSnapshot(identity,
                     DeviceWorkStatus.fromBts(element.getAttribute("workstatus")), optionalInteger(element, "cycle_id"),
                     optionalInteger(element, "step_id"), optionalAttribute(element, "step_type"), optionalAttribute(element, "barcode"),
                     optionalDecimal(element, "current"), optionalDecimal(element, "voltage"), optionalDecimal(element, "capacity"),
-                    optionalDecimal(element, "energy"), optionalLong(element, "totaltime"), optionalLong(element, "relativetime"),
-                    optionalAttribute(element, "log_code"), receivedAt, dynamicMeasurements(element, SNAPSHOT_ATTRIBUTES)));
+                    optionalDecimal(element, "energy"), optionalSeconds(element, "totaltime"), optionalSeconds(element, "relativetime"),
+                    optionalAttribute(element, "log_code"), receivedAt, dynamicMeasurements(element, SNAPSHOT_ATTRIBUTES),
+                    DeviceConnectionStatus.ONLINE, deviceTime, parsePlannedSteps(element), null));
         }
         return Map.copyOf(snapshots);
     }
 
-    /**
-     * 将 BTS 历史清单映射为厂商无关的通道历史可用性。
-     */
-    public List<HistoryAvailability> parseHistoryAvailability(String xml)
+    /** 匹配实时快照用的键:不含适配器与设备类型,只取单元与通道号。 */
+    private static String vendorKey(ChannelIdentity channel)
     {
-        Document document = parse(xml, "inquiredf_resp");
-        NodeList nodes = firstElement(document, "list").getElementsByTagName("chl");
-        List<HistoryAvailability> availability = new ArrayList<>(nodes.getLength());
-        for (int i = 0; i < nodes.getLength(); i++)
-        {
-            Element element = (Element) nodes.item(i);
-            ChannelIdentity channel = new ChannelIdentity(adapterCode, integerAttribute(element, "devtype"),
-                    integerAttribute(element, "devid"), integerAttribute(element, "subdevid"),
-                    integerAttribute(element, "chlid"));
-            availability.add(new HistoryAvailability(channel, requiredAttribute(element, "testid"),
-                    longAttribute(element, "count"), booleanText(element.getTextContent(), "uploadComplete")));
-        }
-        return List.copyOf(availability);
+        return channel.devid() + "-" + channel.subdevid() + "-" + channel.chlid();
     }
 
-    public HistoryPage parseHistory(String xml, ChannelIdentity channel, String requestedTestId, long requestedStart)
-    {
-        Document document = parse(xml, "download_resp");
-        Element download = firstElement(document, "download");
-        String btsTestId = requiredAttribute(download, "testid");
-        // download 是单通道响应,身份不一致时拒绝结果,避免历史事实被归入错误测试。
-        if (integerAttribute(download, "devtype") != channel.devtype()
-                || integerAttribute(download, "devid") != channel.devid()
-                || integerAttribute(download, "subdevid") != channel.subdevid()
-                || integerAttribute(download, "chlid") != channel.chlid()
-                || !btsTestId.equals(requestedTestId))
-            throw new BtsProtocolException(BtsProtocolException.Reason.IDENTITY_MISMATCH,
-                    "BTS history response identity does not match the request");
-        NodeList nodes = firstElement(document, "list").getElementsByTagName("data");
-        List<HistorySample> samples = new ArrayList<>(nodes.getLength());
-        long next = requestedStart;
-        for (int i = 0; i < nodes.getLength(); i++)
-        {
-            Element element = (Element) nodes.item(i);
-            long sequence = longAttribute(element, "seqid");
-            String rawTime = requiredAttribute(element, "atime");
-            samples.add(new HistorySample(sequence, integerAttribute(element, "stepid"), integerAttribute(element, "cycleid"),
-                    requiredAttribute(element, "steptype"), optionalLong(element, "testtime"), parseDeviceTime(rawTime), rawTime,
-                    optionalDecimal(element, "volt"), optionalDecimal(element, "curr"), optionalDecimal(element, "cap"),
-                    optionalDecimal(element, "eng"), dynamicMeasurements(element, HISTORY_ATTRIBUTES)));
-            // 解析层保留重复和乱序事实;业务层只展示并记录这些设备数据事实。
-            next = Math.max(next, sequence + 1);
-        }
-        return new HistoryPage(channel, btsTestId, requestedStart, next, samples);
-    }
 
-    private Document parse(String xml, String expectedCommand)
+
+    private Document parse(String xml, String... expectedCommands)
     {
         try
         {
@@ -213,9 +415,9 @@
             builder.setErrorHandler(new DefaultHandler());
             Document document = builder.parse(new InputSource(new StringReader(xml)));
             String command = firstElement(document, "cmd").getTextContent().trim();
-            if (!expectedCommand.equals(command))
+            if (!Set.of(expectedCommands).contains(command))
                 throw new BtsProtocolException(BtsProtocolException.Reason.UNEXPECTED_COMMAND,
-                        "Expected BTS command " + expectedCommand + " but received " + command);
+                        "Expected BTS command " + List.of(expectedCommands) + " but received " + command);
             return document;
         }
         catch (BtsProtocolException ex)
@@ -258,12 +460,78 @@
         try
         {
             // BTS 时间不带时区,按适配器配置的现场时区解释后统一转换为 UTC 时间点。
-            return LocalDateTime.parse(value, BTS_TIME).atZone(deviceZone).toInstant();
+            try
+            {
+                return Instant.parse(value);
+            }
+            catch (DateTimeParseException ignored)
+            {
+                return LocalDateTime.parse(value, BTS_TIME).atZone(deviceZone).toInstant();
+            }
         }
         catch (DateTimeParseException ex)
         {
             throw new BtsProtocolException(BtsProtocolException.Reason.INVALID_VALUE,
                     "Invalid BTS device time: " + value, ex);
+        }
+    }
+
+    private Instant optionalDeviceTime(Element element)
+    {
+        for (String name : List.of("device_time", "deviceTime", "time", "atime", "testtime"))
+        {
+            String value = optionalAttribute(element, name);
+            if (value != null) return parseDeviceTime(value);
+        }
+        return null;
+    }
+
+    private List<PlannedStep> parsePlannedSteps(Element channel)
+    {
+        List<PlannedStep> steps = new ArrayList<>();
+        NodeList nodes = channel.getElementsByTagName("plannedStep");
+        if (nodes.getLength() == 0) nodes = channel.getElementsByTagName("planStep");
+        if (nodes.getLength() == 0) nodes = channel.getElementsByTagName("step");
+        for (int i = 0; i < nodes.getLength(); i++)
+        {
+            Element step = (Element) nodes.item(i);
+            String number = firstOptionalAttribute(step, "step_no", "stepNo", "step_id", "stepid", "id");
+            String type = firstOptionalAttribute(step, "step_type", "stepType", "steptype", "type");
+            if (number == null || type == null) continue;
+            steps.add(new PlannedStep(integer(number, "planned step number"), type,
+                    firstOptionalAttribute(step, "name", "step_name", "stepName"),
+                    optionalDecimalFromNames(step, "target_voltage", "targetVoltage", "voltage"),
+                    optionalDecimalFromNames(step, "target_current", "targetCurrent", "current"),
+                    optionalLongFromNames(step, "duration_seconds", "durationSeconds", "duration")));
+        }
+        return List.copyOf(steps);
+    }
+
+    private static String firstOptionalAttribute(Element element, String... names)
+    {
+        for (String name : names)
+        {
+            String value = optionalAttribute(element, name);
+            if (value != null) return value;
+        }
+        return null;
+    }
+
+    private static BigDecimal optionalDecimalFromNames(Element element, String... names)
+    {
+        String value = firstOptionalAttribute(element, names);
+        return value == null ? null : decimal(value, names[0]);
+    }
+
+    private static Long optionalLongFromNames(Element element, String... names)
+    {
+        String value = firstOptionalAttribute(element, names);
+        if (value == null) return null;
+        try { return Long.parseLong(value); }
+        catch (NumberFormatException ex)
+        {
+            throw new BtsProtocolException(BtsProtocolException.Reason.INVALID_VALUE,
+                    "Invalid planned step duration: " + value, ex);
         }
     }
 
@@ -290,6 +558,13 @@
         return (Element) elements.item(0);
     }
 
+    /** 可缺省的元素:{@code download} 在空应答里不出现(只有 {@code <list count="0"/>})。 */
+    private static Element optionalElement(Document document, String tag)
+    {
+        NodeList elements = document.getElementsByTagName(tag);
+        return elements.getLength() == 0 ? null : (Element) elements.item(0);
+    }
+
     private static String requiredAttribute(Element element, String name)
     {
         String value = element.getAttribute(name);
@@ -309,32 +584,42 @@
         return integer(requiredAttribute(element, name), name);
     }
 
-    private static long longAttribute(Element element, String name)
-    {
-        try
-        {
-            return Long.parseLong(requiredAttribute(element, name));
-        }
-        catch (NumberFormatException ex)
-        {
-            throw new BtsProtocolException(BtsProtocolException.Reason.INVALID_VALUE,
-                    "Invalid integer BTS attribute: " + name, ex);
-        }
-    }
-
     private static Integer optionalInteger(Element element, String name)
     {
         String value = optionalAttribute(element, name);
         return value == null ? null : integer(value, name);
     }
 
-    private static Long optionalLong(Element element, String name)
+    /**
+     * 解析以**秒**为单位、但可能带小数的属性({@code totaltime}/{@code relativetime})。
+     *
+     * <p>实测应答给的是 {@code totaltime="37737.6"} 这种小数秒,早期实现按整数解析会在这里
+     * 直接判成非法取值而使整次观测失败——所以这里按十进制读,四舍五入到秒。
+     */
+    private static Long optionalSeconds(Element element, String name)
     {
-        String value = optionalAttribute(element, name);
-        if (value == null) return null;
+        BigDecimal value = optionalDecimal(element, name);
+        return value == null ? null : value.setScale(0, RoundingMode.HALF_UP).longValue();
+    }
+
+    /** 毫秒转秒;{@code download} 的 {@code testtime} 单位是毫秒,契约里的相对时长是秒。 */
+    private static Long millisecondsToSeconds(BigDecimal milliseconds)
+    {
+        return milliseconds == null ? null : milliseconds.divide(BigDecimal.valueOf(1000), 0, RoundingMode.HALF_UP).longValue();
+    }
+
+    /** 逐点行的测量值:缺失时按 0 读(契约里是基本类型,缺失只在报文异常时出现)。 */
+    private static double doubleValue(Element element, String name)
+    {
+        BigDecimal value = optionalDecimal(element, name);
+        return value == null ? 0d : value.doubleValue();
+    }
+
+    private static long toLong(String value, String name)
+    {
         try
         {
-            return Long.parseLong(value);
+            return Long.parseLong(value.trim());
         }
         catch (NumberFormatException ex)
         {
@@ -343,6 +628,23 @@
         }
     }
 
+    /**
+     * 解析逐点行的设备绝对时间。{@code download} 的 {@code atime} 形如 {@code 2026-10-10 23:50:28},
+     * 按适配器配置的现场时区解释后转 UTC;原文由调用方另行保留。
+     */
+    private Instant parseDataTime(String value)
+    {
+        try
+        {
+            return LocalDateTime.parse(value, BTS_DATA_TIME).atZone(deviceZone).toInstant();
+        }
+        catch (DateTimeParseException ex)
+        {
+            throw new BtsProtocolException(BtsProtocolException.Reason.INVALID_VALUE,
+                    "Invalid BTS data time: " + value, ex);
+        }
+    }
+
     private static int integer(String value, String name)
     {
         try

--
Gitblit v1.7.1