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refactor: store jt808 mileage as metric diff

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lingniu
2026-07-01 02:32:46 +08:00
parent a5f5cc94ee
commit b94780b48c
12 changed files with 73 additions and 40 deletions
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docs/module-data-flow.html
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@@ -610,10 +610,10 @@ flowchart LR
</tr>
<tr>
<td>modules/services/vehicle-stat-service</td>
<td>消费 Kafka 全字段事件，抽取统计源点，按车辆规则计算每日里程等日统计；生产消费可使用 <code>tryIngest</code> 和自动装配的 <code>EnvelopeConsumerProcessor</code> 隔离坏 protobuf，缺少 telemetry_snapshot 的消息会标记为 SKIPPED 并进入死信出口。</td>
<td>Kafka Protobuf Envelope、车辆统计规则。</td>
<td>按 <code>vin + stat_date</code> 保存的日统计结果。</td>
<td><span class="tag green">每日里程</span><span class="tag">规则配置</span></td>
<td>消费 Kafka 全字段事件，808 每日里程只使用 0x0200 附加项 0x01 上报的总里程做当日首末差值；生产消费可使用 <code>tryIngest</code> 和自动装配的 <code>EnvelopeConsumerProcessor</code> 隔离坏 protobuf，缺少 telemetry_snapshot 的消息会标记为 SKIPPED 并进入死信出口。</td>
<td>Kafka Protobuf Envelope、808 <code>total_mileage_km</code>。</td>
<td><code>vehicle_stat_metric</code>：<code>metric_key=daily_mileage_km</code>、<code>calculation_method=JT808_TOTAL_MILEAGE_DIFF</code>。</td>
<td><span class="tag green">每日里程</span><span class="tag">指标表</span></td>
</tr>
<tr>
<td>modules/apps/command-gateway</td>