Updates

scripts/bare-standalone.cjs

@@ -91,6 +91,18 @@ async function buildOne(host, outRoot) {
     )
   }
 
+  // Ensure native helpers are compiled + base64-embedded into the JS bundle
+  console.log('[bare-standalone] building/embedding native helpers…')
+  const { spawnSync } = require('child_process')
+  const nh = spawnSync(process.execPath, [path.join(root, 'scripts', 'build-native-helpers.cjs')], {
+    cwd: root,
+    stdio: 'inherit',
+    env: process.env,
+  })
+  if (nh.status !== 0) {
+    console.warn('[bare-standalone] native helper build failed (JS fallback still works)')
+  }
+
   const name = 'peardata-server'
   const outDir = path.join(outRoot, `${name}-${host}`)
   fs.rmSync(outDir, { recursive: true, force: true })
@@ -160,6 +172,20 @@ async function buildOne(host, outRoot) {
       fs.copyFileSync(binary, flat)
       binary = flat
     }
+    // Also ship raw helper next to binary for ops that prefer an external file
+    const pre = path.join(root, 'native', 'prebuilds', `peardata-ebpf-${host}`)
+    const preAlt = path.join(root, 'native', 'prebuilds', 'peardata-ebpf')
+    const helperSrc = fs.existsSync(pre) ? pre : fs.existsSync(preAlt) ? preAlt : null
+    if (helperSrc) {
+      const helperDest = path.join(outDir, 'peardata-ebpf')
+      fs.copyFileSync(helperSrc, helperDest)
+      try {
+        fs.chmodSync(helperDest, 0o755)
+      } catch {
+        // ignore
+      }
+      console.log(`[bare-standalone] shipped helper ${helperDest}`)
+    }
     console.log(`[bare-standalone] wrote ${binary}`)
   } else {
     console.warn(`[bare-standalone] WARN: expected binary not found under ${outDir}`)

scripts/build-native-helpers.cjs

@@ -0,0 +1,93 @@
+#!/usr/bin/env node
+/**
+ * Compile native helpers and embed them as base64 into
+ * server/native/embedded-helpers.js so bare-pack includes them
+ * inside peardata-server.
+ *
+ *   node scripts/build-native-helpers.cjs
+ */
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const { spawnSync } = require('child_process')
+
+const root = path.resolve(__dirname, '..')
+const src = path.join(root, 'native', 'peardata-ebpf', 'main.c')
+const outDir = path.join(root, 'native', 'prebuilds')
+const embedOut = path.join(root, 'server', 'native', 'embedded-helpers.js')
+
+function ensureDir(d) {
+  fs.mkdirSync(d, { recursive: true })
+}
+
+function compile(hostTag) {
+  ensureDir(outDir)
+  const outBin = path.join(outDir, `peardata-ebpf-${hostTag}`)
+  const cc = process.env.CC || 'cc'
+  const args = ['-O2', '-Wall', '-o', outBin, src]
+  console.log(`[native] ${cc} ${args.join(' ')}`)
+  const res = spawnSync(cc, args, { cwd: root, stdio: 'inherit' })
+  if (res.status !== 0) {
+    console.warn('[native] compile failed — embedding placeholder stub')
+    return null
+  }
+  try {
+    fs.chmodSync(outBin, 0o755)
+  } catch {
+    // ignore
+  }
+  return outBin
+}
+
+function hostTag() {
+  const p = process.platform
+  const a = process.arch
+  return `${p}-${a}`
+}
+
+function main() {
+  const tag = hostTag()
+  let bin = null
+  if (process.platform === 'linux') {
+    bin = compile(tag)
+  } else {
+    console.warn(`[native] skip compile on ${process.platform} (Linux helper only)`)
+  }
+
+  /** @type {Record<string, string>} */
+  const helpers = {}
+  if (bin && fs.existsSync(bin)) {
+    helpers[`peardata-ebpf-${tag}`] = fs.readFileSync(bin).toString('base64')
+    // also copy generic name for current host
+    helpers['peardata-ebpf'] = helpers[`peardata-ebpf-${tag}`]
+  }
+
+  // Keep any previously embedded linux builds if present
+  try {
+    const prev = fs.readFileSync(embedOut, 'utf8')
+    const m = prev.match(/export const EMBEDDED_HELPERS = (\{[\s\S]*?\})\n/)
+    if (m) {
+      const old = Function(`return (${m[1]})`)()
+      for (const [k, v] of Object.entries(old || {})) {
+        if (!helpers[k] && typeof v === 'string' && v.length > 32) helpers[k] = v
+      }
+    }
+  } catch {
+    // first run
+  }
+
+  ensureDir(path.dirname(embedOut))
+  const body = `/* AUTO-GENERATED by scripts/build-native-helpers.cjs — do not edit */
+export const EMBEDDED_HELPERS = ${JSON.stringify(helpers, null, 2)}
+
+export const EMBEDDED_HELPER_NAMES = ${JSON.stringify(Object.keys(helpers))}
+`
+  fs.writeFileSync(embedOut, body)
+  console.log(
+    `[native] wrote ${embedOut} (${Object.keys(helpers).length} helper(s), ` +
+      `${Math.round(JSON.stringify(helpers).length / 1024)} KiB json)`
+  )
+}
+
+main()