path: root/data/vue/App.vue

<template>
  <div ref="top_pad"></div>
  <div class="top_bar" ref="top_bar">
    <h1>
      Salis data server »
      <span class="opts_name">
        {{ opts.name }}
        {{ query_in_progress ? '⧖' : '✓' }}
      </span>
    </h1>
    <form @change="on_form_change">
      <span class="nobr">Entries (max): <input class="input_small" v-model="entries" /></span><wbr />
      <span class="nobr">nth: <input class="input_small" v-model="nth" /></span><wbr />
      <span class="nobr">X-axis: <select class="input_small" v-model="x_axis"><option v-for="axis in x_axes">{{ axis }}</option></select></span><wbr />
      <span class="nobr">X-low: <input v-model="x_low" /></span><wbr />
      <span class="nobr">X-high: <input v-model="x_high" /></span>
    </form>
  </div>
  <Section name="Options">
    <table>
      <tr v-for="opt_fmt in opt_fmts">
        <td>{{ opt_fmt[0] }}:</td>
        <td>{{ opt_fmt[2](opts[opt_fmt[1]]) }}</td>
      </tr>
    </table>
  </Section>
  <!-- Render plots after simulation options have been loaded -->
  <div v-if="loaded">
    <Section :name="section" grid v-for="(section_plots, section) in plots">
      <Plot :name="name" :section="section" v-for="(_, name) in section_plots" />
    </Section>
  </div>
</template>

<script setup>
import { onMounted, provide, useTemplateRef, ref } from 'vue'

import Plot from './Plot.vue'
import Section from './Section.vue'

const root = window.location.href
const id = v => v
const hex = v => v !== undefined ? `0x${v.toString(16)}` : ''
const hex_pow = v => v !== undefined ? `0x${Math.pow(2, v).toString(16)}` : ''
const disabled = v => v ? 'disabled' : 'enabled'

const opt_fmts = [
  ['Ancestor', 'anc', id],
  ['Architecture', 'arch', id],
  ['Auto-save interval', 'auto_save_pow', hex_pow],
  ['Clones', 'clones', id],
  ['Cores', 'cores', id],
  ['Data push interval', 'data_push_pow', hex_pow],
  ['Mutator flip bit', 'muta_flip', id],
  ['Mutator range', 'muta_pow', hex_pow],
  ['Memory vector size', 'mvec_pow', hex_pow],
  ['Save file compression', 'no_compress', disabled],
  ['Seed', 'seed', hex],
]

const opts = ref({})
const plots = ref({})
const tables = ref({})
const loaded = ref(false)

const entries = ref(2000)
const nth = ref(BigInt(1))
const x_axes = ref(['rowid'])
const x_axis = ref(x_axes.value[0])
const x_low = ref(hex(BigInt(0)))
const x_high = ref(hex(BigInt(Math.pow(2, 64))))

const plot_x_low = ref(0n)
const plot_redraw = ref(false)
const query_in_progress = ref(false)
const data = ref([])

const top_pad = useTemplateRef('top_pad')
const top_bar = useTemplateRef('top_bar')

provide('plots', plots)
provide('entries', entries)
provide('x_axis', x_axis)
provide('data', data)

const sanitize = (input, min, max, def, fmt) => {
  if (isNaN(Number(input.value)) || input.value === '' || input.value < min || input.value > max) {
    input.value = fmt(def)
  }
}

const on_form_change = () => {
  sanitize(entries, 1n, BigInt(Math.pow(2, 64)), 2000n, id)
  sanitize(nth, 1n, BigInt(Math.pow(2, 64)), 1n, id)
  sanitize(x_low, 0n, BigInt(Math.pow(2, 64)), 0n, hex)
  sanitize(x_high, 1n, BigInt(Math.pow(2, 64)), BigInt(Math.pow(2, 64)), hex)

  plot_x_low.value = x_low.value
  plot_redraw.value = true

  query(false)
}

const pad_top_bar = () => {
  top_pad.value.style.height = `${Math.round(top_bar.value.getBoundingClientRect().height)}px`
}

const reviver = (_, val, { source }) => {
  if (Number.isInteger(val) && !Number.isSafeInteger(val)) {
    try { return BigInt(source) } catch {}
  }

  return val
}

const query_table = async table => {
  const params = {
    table: table,
    entries: entries.value,
    nth: nth.value,
    x_axis: x_axis.value,
    x_low: Number(plot_x_low.value),
    x_high: Number(x_high.value),
  }

  const search_params = new URLSearchParams(params)
  const resp_table = await fetch(root + `data?${search_params}`, { method: 'GET' })
  const resp_json = JSON.parse(await resp_table.text(), reviver)

  // Keep track of the highest x-axis value fetched so far.
  // Future queries will set this as the minimum, which prevents re-fetching already stored data.
  if (resp_json.length) {
    const x_last = BigInt(resp_json.slice(-1)[0][x_axis.value] + 1)
    plot_x_low.value = plot_x_low.value > x_last ? plot_x_low.value : x_last
  }

  return resp_json
}

const query = async (reschedule = true) => {
  if (query_in_progress.value) return

  query_in_progress.value = true

  const query_results = await Promise.all(tables.value.map(query_table))
  const query_values = Object.fromEntries(tables.value.map((key, i) => [key, query_results[i]]))

  data.value = { redraw: plot_redraw.value, values: query_values }
  plot_redraw.value = false
  query_in_progress.value = false

  if (reschedule) setTimeout(query, 10000)
}

onMounted(async () => {
  window.onresize = _ => pad_top_bar()
  pad_top_bar()

  // Fetch initial data
  const resp_opts = await fetch(root + 'opts', { method: 'GET' })
  const resp_plots = await fetch(root + 'plots', { method: 'GET' })
  const resp_tables = await fetch(root + 'tables', { method: 'GET' })

  opts.value = JSON.parse(await resp_opts.text(), reviver)
  plots.value = JSON.parse(await resp_plots.text(), reviver)
  tables.value = JSON.parse(await resp_tables.text(), reviver)
  loaded.value = true

  // All tables should include one cycle column for each core.
  // This allows normalizing the plots against each core's cycle count
  // (i.e. making `cycl_#` the plots' x-axis).
  x_axes.value.push(...Array(opts.value.cores).keys().map(i => `cycl_${i}`))

  query()
})
</script>

<style>
html {
  background-color: #002b36;
  color: #586e75;
  font-family: sans-serif;
}

h1 {
  font-size: 20px;
  font-weight: 600;
}

input, select {
  background-color: #586e75;
  border: none;
  color: #002b36;
  font-family: monospace;
  font-size: 14px;
  margin: 0 4px;
  padding: 2px;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  height: 100%;
  width: 100%;
}

tr:nth-child(odd) {
  background-color: #073642;
}

td {
  font-family: monospace;
  font-size: 14px;
  margin: 0;
  padding: 0;
}

.top_bar {
  background-color: #073642;
  left: 0;
  padding: 8px;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1;
}

.opts_name {
  color: #b58900;
  font-weight: normal;
}

.nobr {
  line-height: 32px;
  margin-right: 16px;
  white-space: nowrap;
}

.input_small {
  width: 80px;
}
</style>