reddb-io-server 1.11.0

RedDB server-side engine: storage, runtime, replication, MCP, AI, and the gRPC/HTTP/RedWire/PG-wire dispatchers. Re-exported by the umbrella `reddb` crate.
Documentation 
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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>RedDB UI — local bridge</title>
  <style>
    :root { color-scheme: light dark; }
    body { font: 14px/1.5 system-ui, sans-serif; margin: 0; padding: 2rem; max-width: 56rem; }
    h1 { font-size: 1.4rem; margin: 0 0 .25rem; }
    .sub { opacity: .7; margin: 0 0 1.5rem; }
    .row { display: flex; gap: .5rem; margin-bottom: 1rem; }
    textarea { flex: 1; font: 13px/1.4 ui-monospace, monospace; padding: .5rem; min-height: 3rem; }
    button { padding: .5rem 1rem; font: inherit; cursor: pointer; }
    pre { background: rgba(127,127,127,.12); padding: 1rem; border-radius: 6px; overflow: auto; }
    .pill { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: 12px; }
    .ok { background: #1a7f37; color: #fff; }
    .bad { background: #b22; color: #fff; }
    .pending { background: #946; color: #fff; }
  </style>
</head>
<body>
  <h1>RedDB UI <span id="status" class="pill pending">connecting…</span></h1>
  <p class="sub">Minimal bridge fixture — RedWire over a local WebSocket against the embedded engine.</p>

  <div class="row">
    <textarea id="sql">SELECT 1 AS one</textarea>
  </div>
  <div class="row">
    <button id="run" disabled>Run query</button>
  </div>
  <pre id="out">No result yet.</pre>

  <script type="module">
    // Compact, dependency-free RedWire-over-WebSocket codec. This mirrors
    // the canonical drivers/js-client/src/redwire-core.js framing (16-byte
    // little-endian header) but inlines only the slice this spine fixture
    // needs: anonymous handshake + a single buffered query. A later slice
    // swaps this for the shared redwire-core bundle (PRD #1041).
    const MAGIC = 0xfe, VERSION = 0x01, HEADER = 16
    const Kind = { Query: 0x01, Result: 0x02, Error: 0x03, Hello: 0x10, HelloAck: 0x11, AuthResponse: 0x13, AuthOk: 0x14, AuthFail: 0x15 }
    const enc = new TextEncoder(), dec = new TextDecoder()

    const statusEl = document.getElementById('status')
    const outEl = document.getElementById('out')
    const runEl = document.getElementById('run')
    const sqlEl = document.getElementById('sql')

    function setStatus(text, cls) { statusEl.textContent = text; statusEl.className = 'pill ' + cls }

    function encodeFrame(kind, corr, payload) {
      const total = HEADER + payload.length
      const buf = new Uint8Array(total)
      const dv = new DataView(buf.buffer)
      dv.setUint32(0, total, true)
      buf[4] = kind
      buf[5] = 0 // flags
      dv.setUint16(6, 0, true) // stream_id
      dv.setBigUint64(8, BigInt(corr), true)
      buf.set(payload, HEADER)
      return buf
    }

    // Accumulate inbound bytes and hand back one decoded frame at a time.
    class FrameReader {
      constructor() { this.buf = new Uint8Array(0); this.waiters = []; this.queue = [] }
      push(bytes) {
        const merged = new Uint8Array(this.buf.length + bytes.length)
        merged.set(this.buf); merged.set(bytes, this.buf.length)
        this.buf = merged
        this.drain()
      }
      drain() {
        while (this.buf.length >= HEADER) {
          const dv = new DataView(this.buf.buffer, this.buf.byteOffset, this.buf.length)
          const total = dv.getUint32(0, true)
          if (this.buf.length < total) break
          const kind = this.buf[4]
          const payload = this.buf.slice(HEADER, total)
          this.buf = this.buf.slice(total)
          const frame = { kind, payload }
          const w = this.waiters.shift()
          if (w) w(frame); else this.queue.push(frame)
        }
      }
      next() {
        const q = this.queue.shift()
        if (q) return Promise.resolve(q)
        return new Promise((res) => this.waiters.push(res))
      }
    }

    async function connectAndQuery(sql) {
      // Direct targets inject window.REDDB_WS_URL; bridge targets derive
      // the WS endpoint from the page's own origin (loopback).
      const wsUrl = window.REDDB_WS_URL || `ws://${location.host}/redwire`
      const ws = new WebSocket(wsUrl)
      ws.binaryType = 'arraybuffer'
      const reader = new FrameReader()
      ws.addEventListener('message', (ev) => reader.push(new Uint8Array(ev.data)))

      await new Promise((res, rej) => {
        ws.addEventListener('open', res, { once: true })
        ws.addEventListener('error', () => rej(new Error('websocket error')), { once: true })
      })

      // Preamble: magic + minor version.
      ws.send(Uint8Array.from([MAGIC, VERSION]))
      // Hello advertising the anonymous method.
      ws.send(encodeFrame(Kind.Hello, 1, enc.encode(JSON.stringify({
        versions: [VERSION], auth_methods: ['anonymous'], features: 0, client_name: 'red-ui-fixture',
      }))))
      const ack = await reader.next()
      if (ack.kind !== Kind.HelloAck) throw new Error('expected HelloAck, got ' + ack.kind)

      // AuthResponse: anonymous carries no proof.
      ws.send(encodeFrame(Kind.AuthResponse, 2, new Uint8Array()))
      const authed = await reader.next()
      if (authed.kind !== Kind.AuthOk) throw new Error('auth refused: ' + dec.decode(authed.payload))

      // Query.
      ws.send(encodeFrame(Kind.Query, 3, enc.encode(sql)))
      const res = await reader.next()
      ws.close()
      if (res.kind === Kind.Error) throw new Error(dec.decode(res.payload))
      if (res.kind !== Kind.Result) throw new Error('unexpected frame kind ' + res.kind)
      return dec.decode(res.payload)
    }

    async function run() {
      runEl.disabled = true
      setStatus('querying…', 'pending')
      outEl.textContent = '…'
      try {
        const json = await connectAndQuery(sqlEl.value)
        setStatus('ok', 'ok')
        try { outEl.textContent = JSON.stringify(JSON.parse(json), null, 2) }
        catch { outEl.textContent = json }
      } catch (err) {
        setStatus('error', 'bad')
        outEl.textContent = String(err)
      } finally {
        runEl.disabled = false
      }
    }

    // Probe the connection once on load so the page reflects a live bridge.
    connectAndQuery('SELECT 1 AS one')
      .then(() => { setStatus('connected', 'ok'); outEl.textContent = 'Bridge is live. Run a query.'; runEl.disabled = false })
      .catch((err) => { setStatus('error', 'bad'); outEl.textContent = String(err); runEl.disabled = false })

    runEl.addEventListener('click', run)
  </script>
</body>
</html>