im0o
c9a0b87af4
/connections 没有流式版本，只能全量轮询；断开是运行时动作，不走 落盘那条保护链路。两个容易做反的地方都收在 shared/connections.ts： chains 数组第一个是最终出口，显示要倒过来；没有连接时 connections 字段是 null 而不是空数组。虚拟滚动用 @tanstack/vue-virtual，ADR 0006 留的两个例外之一，它只有 virtual-core 一个运行时依赖。
432 lines
11 KiB
Vue
432 lines
11 KiB
Vue
<script setup lang="ts">
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/**
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* 连接页：内核当前有哪些连接，从哪一路入站进来，能断开它们。
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*
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* /connections 没有流式版本，只能每秒全量轮询一次。表格数据来自内核快照，
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* 显示层的问题（主机名怎么摆、出站链按什么方向、持续时间多长）都在 shared/connections.ts
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* 里回答，这里只管取数、状态和断开动作。
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*/
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import { computed, onMounted, onUnmounted, ref } from 'vue'
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import { useVirtualizer } from '@tanstack/vue-virtual'
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import {
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chainLabel,
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filterConnections,
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formatDuration,
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groupByInbound,
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hostLabel,
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ruleLabel,
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sortConnections,
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} from '@shared/connections.ts'
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import type { ConnectionSnapshot, SortKey } from '@shared/connections.ts'
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import { formatBytes } from '@shared/format.ts'
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import { ApiError, api } from '../api'
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import { kernel } from '../runtime'
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import ConfirmDialog from '../components/ConfirmDialog.vue'
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import IconClose from '~icons/ri/close-line'
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const snapshot = ref<ConnectionSnapshot | null>(null)
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const failure = ref('')
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/** 表格里的持续时间按这一刻算。跟着轮询节拍走，不单独开秒表 */
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const now = ref(Date.now())
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const query = ref('')
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const sort = ref<SortKey>('download')
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/** 正在断开中的连接 id，防止连点 */
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const closing = ref<string[]>([])
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const closingAll = ref(false)
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const askAll = ref(false)
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/** 有请求在飞就不再发，内核卡住时每秒叠一个请求只会让局面更糟 */
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let fetching = false
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let timer: number | undefined
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async function refresh() {
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// 内核不在线时不打这个接口：得不到数据，界面直接说原因
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if (!kernel.value.online || fetching) return
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fetching = true
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try {
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snapshot.value = await api.connections()
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now.value = Date.now()
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failure.value = ''
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} catch (error) {
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failure.value = error instanceof ApiError ? error.message : String(error)
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} finally {
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fetching = false
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}
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}
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onMounted(() => {
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void refresh()
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timer = window.setInterval(() => void refresh(), 1000)
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})
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onUnmounted(() => {
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window.clearInterval(timer)
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})
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const all = computed(() => snapshot.value?.connections ?? [])
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const rows = computed(() =>
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sortConnections(filterConnections(all.value, query.value), sort.value, now.value),
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)
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const uses = computed(() => groupByInbound(all.value))
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/* 行高写死，estimateSize 必须和它一致，否则滚动位置算不准 */
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const ROW_HEIGHT = 48
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const scrollEl = ref<HTMLElement | null>(null)
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const virtualizer = useVirtualizer(
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computed(() => ({
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count: rows.value.length,
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getScrollElement: () => scrollEl.value,
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estimateSize: () => ROW_HEIGHT,
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overscan: 8,
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})),
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)
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const virtualRows = computed(() => virtualizer.value.getVirtualItems())
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const totalSize = computed(() => virtualizer.value.getTotalSize())
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async function closeOne(id: string) {
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if (closing.value.includes(id) || closingAll.value) return
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closing.value = [...closing.value, id]
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failure.value = ''
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try {
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await api.closeConnection(id)
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await refresh()
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} catch (error) {
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failure.value = error instanceof ApiError ? error.message : String(error)
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} finally {
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closing.value = closing.value.filter((item) => item !== id)
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}
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}
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async function closeAllConfirmed() {
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askAll.value = false
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if (closingAll.value) return
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closingAll.value = true
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failure.value = ''
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try {
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await api.closeAllConnections()
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await refresh()
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} catch (error) {
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failure.value = error instanceof ApiError ? error.message : String(error)
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} finally {
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closingAll.value = false
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}
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}
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</script>
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<template>
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<div class="page">
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<header class="head">
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<div class="sums">
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<div class="sum">
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<span class="sum-n">{{ all.length }}</span>
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<span class="sum-k">连接</span>
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</div>
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<div class="sum">
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<span class="sum-n">{{ formatBytes(snapshot?.uploadTotal ?? 0) }}</span>
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<span class="sum-k">上传总量</span>
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</div>
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<div class="sum">
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<span class="sum-n">{{ formatBytes(snapshot?.downloadTotal ?? 0) }}</span>
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<span class="sum-k">下载总量</span>
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</div>
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</div>
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<div class="tools">
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<input v-model="query" type="search" class="search" placeholder="按主机筛选" />
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<button
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type="button"
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class="close-all"
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:disabled="all.length === 0 || closingAll"
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@click="askAll = true"
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>
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全部断开
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</button>
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</div>
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</header>
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<div v-if="failure" class="failure">
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<strong>{{ failure }}</strong>
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</div>
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<p v-if="!kernel.online" class="note">内核未连接，看不到当前有哪些连接。</p>
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<p v-else-if="!snapshot" class="note">读取中</p>
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<p v-else-if="all.length === 0" class="note">当前没有连接。</p>
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<template v-else>
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<!-- 这个项目特有的视角：每一路入站（每个容器）现在有多少条连接 -->
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<div class="uses">
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<span v-for="use in uses" :key="use.label" class="use">
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{{ use.label }}
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<strong>{{ use.count }}</strong> 条
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</span>
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</div>
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<p v-if="rows.length === 0" class="note">没有主机匹配「{{ query.trim() }}」。</p>
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<div v-else class="table">
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<div class="rowgrid thead">
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<span>主机</span>
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<span>规则</span>
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<span>出站链</span>
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<span class="num">上传</span>
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<button
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type="button"
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:class="['th num', sort === 'download' && 'is-on']"
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@click="sort = 'download'"
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>
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下载{{ sort === 'download' ? ' ↓' : '' }}
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</button>
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<button
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type="button"
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:class="['th num', sort === 'duration' && 'is-on']"
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@click="sort = 'duration'"
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>
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持续时间{{ sort === 'duration' ? ' ↓' : '' }}
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</button>
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<span>入站</span>
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<span></span>
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</div>
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<div ref="scrollEl" class="scroller">
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<div class="spacer" :style="{ height: `${totalSize}px` }">
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<div
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v-for="vRow in virtualRows"
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:key="rows[vRow.index]?.id ?? vRow.index"
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class="rowgrid row"
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:style="{ transform: `translateY(${vRow.start}px)` }"
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>
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<template v-if="rows[vRow.index]">
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<span class="cell mono" :title="hostLabel(rows[vRow.index]!.metadata)">
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{{ hostLabel(rows[vRow.index]!.metadata) }}
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</span>
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<span class="cell mono">{{ ruleLabel(rows[vRow.index]!.rule, rows[vRow.index]!.rulePayload) }}</span>
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<span class="cell mono" :title="chainLabel(rows[vRow.index]!.chains)">
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{{ chainLabel(rows[vRow.index]!.chains) }}
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</span>
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<span class="cell num mono">{{ formatBytes(rows[vRow.index]!.upload) }}</span>
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<span class="cell num mono">{{ formatBytes(rows[vRow.index]!.download) }}</span>
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<span class="cell num mono">{{ formatDuration(rows[vRow.index]!.start, now) }}</span>
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<span class="cell mono">{{ rows[vRow.index]!.metadata.inboundName }}</span>
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<button
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type="button"
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class="drop"
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title="断开这条连接"
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:disabled="closing.includes(rows[vRow.index]!.id) || closingAll"
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@click="closeOne(rows[vRow.index]!.id)"
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>
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<IconClose />
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</button>
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</template>
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</div>
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</div>
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</div>
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</div>
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</template>
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<ConfirmDialog
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:open="askAll"
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:message="`断开全部 ${String(all.length)} 条连接？正在进行的传输会中断。`"
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action="全部断开"
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@close="askAll = false"
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@confirm="closeAllConfirmed"
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/>
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</div>
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</template>
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<style scoped>
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.head {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: var(--s-4);
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margin-bottom: var(--s-5);
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}
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.sums {
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display: flex;
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gap: var(--s-6);
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}
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.sum {
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display: flex;
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align-items: baseline;
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gap: var(--s-2);
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}
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.sum-n {
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font-size: var(--t-xl);
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font-weight: 600;
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font-variant-numeric: tabular-nums;
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letter-spacing: -0.02em;
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}
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.sum-k {
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color: var(--c-text-soft);
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font-size: var(--t-sm);
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}
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.tools {
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display: flex;
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align-items: center;
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gap: var(--s-2);
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}
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.search {
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width: 200px;
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padding: var(--s-2) var(--s-3);
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border: 1px solid var(--c-border-strong);
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border-radius: var(--r-sm);
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background: var(--c-surface);
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}
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.close-all {
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padding: var(--s-2) var(--s-3);
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border: 1px solid var(--c-border-strong);
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border-radius: var(--r-sm);
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background: var(--c-surface);
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cursor: pointer;
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white-space: nowrap;
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}
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.close-all:hover:not(:disabled) {
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border-color: var(--c-danger);
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color: var(--c-danger);
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}
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.close-all:disabled {
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color: var(--c-text-faint);
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cursor: not-allowed;
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}
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.failure {
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border: 1px solid color-mix(in srgb, var(--c-danger) 35%, var(--c-border));
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border-radius: var(--r-md);
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background: var(--c-danger-soft);
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padding: var(--s-3) var(--s-4);
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margin-bottom: var(--s-4);
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font-size: var(--t-sm);
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}
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.note {
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color: var(--c-text-faint);
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font-size: var(--t-sm);
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}
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.uses {
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display: flex;
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flex-wrap: wrap;
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gap: var(--s-2);
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margin-bottom: var(--s-4);
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}
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.use {
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padding: var(--s-1) var(--s-3);
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border: 1px solid var(--c-border);
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border-radius: 999px;
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background: var(--c-surface);
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font-size: var(--t-sm);
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color: var(--c-text-soft);
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}
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.use strong {
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color: var(--c-text);
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font-variant-numeric: tabular-nums;
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}
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/* 窄屏不挤变形，横向滚动 */
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.table {
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border: 1px solid var(--c-border);
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border-radius: var(--r-md);
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background: var(--c-surface);
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overflow-x: auto;
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}
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.rowgrid {
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display: grid;
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grid-template-columns:
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minmax(160px, 1.5fr) minmax(120px, 1fr) minmax(160px, 1.5fr)
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5rem 5rem 6.5rem minmax(90px, 0.8fr) 2rem;
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align-items: center;
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gap: var(--s-3);
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min-width: 880px;
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padding: 0 var(--s-4);
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}
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.thead {
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height: 40px;
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border-bottom: 1px solid var(--c-border);
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color: var(--c-text-faint);
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font-size: var(--t-xs);
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}
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/* 可排序的列表头。用按钮但视觉上仍是表头文字，排序中的那列才显色 */
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.th {
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padding: 0;
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border: none;
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background: none;
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color: inherit;
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font-size: inherit;
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cursor: pointer;
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text-align: right;
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}
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.th:hover {
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color: var(--c-text);
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}
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.th.is-on {
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color: var(--c-text);
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font-weight: 600;
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}
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.scroller {
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overflow-y: auto;
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/* 表格最长不顶满一屏：留出头部和汇总条的位置，连接少时随内容缩短 */
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max-height: calc(100vh - 20rem);
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}
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.spacer {
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position: relative;
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}
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.row {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 48px;
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border-bottom: 1px solid var(--c-border);
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font-size: var(--t-sm);
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}
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.cell {
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min-width: 0;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.num {
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text-align: right;
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font-variant-numeric: tabular-nums;
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}
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.drop {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 26px;
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height: 26px;
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padding: 0;
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border: none;
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border-radius: var(--r-sm);
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background: none;
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color: var(--c-text-faint);
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cursor: pointer;
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}
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.drop:hover:not(:disabled) {
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background: var(--c-danger-soft);
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color: var(--c-danger);
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}
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.drop:disabled {
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opacity: 0.4;
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cursor: not-allowed;
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}
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</style>
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