mirror of
https://gitcode.com/JianFeeeee/HomeAgent.git
synced 2026-09-21 09:28:14 +00:00
147d0baaf9
- agent: 工具轮请求尾部补 user 占位(zen 网关强制),tool 消息正确配对 - agent: 工具提醒/中断以 system 角色注入并带 [中断消息] 前缀,不进用户履历;系统提示词说明中断消息格式 - agentcli: 基于 ConPTY 的交互式终端(ptywin fork),terminal_create/read/write/resize/close/watch - webui: server 输出通道适配器(保留 reasoning_content/disable_thinking) - GUI: 沉浸式标题栏、icon 圆角重制、mascot 等打磨
644 lines
15 KiB
Go
644 lines
15 KiB
Go
package lua
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import (
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"crypto/hmac"
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"crypto/sha256"
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"embed"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"os"
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"path/filepath"
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"sort"
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"strconv"
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"strings"
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"sync"
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"time"
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lua "github.com/yuin/gopher-lua"
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)
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//go:embed adapters/*.lua
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var bundledAdapters embed.FS
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// adapterGlobal 是每个 worker state 中保存适配器表的保留全局名。
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const adapterGlobal = "__ha_adapter"
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type APIAdapter struct {
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Name string `json:"name"`
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Version string `json:"version"`
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}
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// worker 封装一个独立的 gopher-lua 解释器。LState 非并发安全，
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// 同一时刻只能被一个 goroutine 使用（从池中取出）。
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type worker struct {
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L *lua.LState
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}
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func (w *worker) close() {
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if w.L != nil {
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w.L.Close()
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w.L = nil
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}
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}
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// staticInfo 缓存适配器脚本在加载时提取出的不可变字段，
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// Endpoint/Headers 等读取不需要占用池 worker。
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type staticInfo struct {
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name string
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version string
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endpoint string
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headers map[string]string
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}
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// adapterPool 管理单个适配器的 worker 池。空闲 worker 存放在 idle 切片，
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// 按 target 惰性创建；同一 worker 同一时刻只被一个 goroutine 使用。
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type adapterPool struct {
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name string
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script string
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static staticInfo
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mu sync.Mutex
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cond *sync.Cond
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idle []*worker
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created int
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target int
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closed bool
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}
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func newAdapterPool(name, script string, static staticInfo) *adapterPool {
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p := &adapterPool{name: name, script: script, static: static, target: 1}
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p.cond = sync.NewCond(&p.mu)
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return p
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}
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func (p *adapterPool) setTarget(n int) {
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p.mu.Lock()
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p.target = n
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p.cond.Broadcast()
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p.mu.Unlock()
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}
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// boot 创建全新 gopher-lua 状态：注册共享全局、执行适配器脚本、
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// 把返回表存到保留全局。compile Lua 的成本较高，尽量复用池。
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func (p *adapterPool) boot() (*worker, error) {
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L := lua.NewState()
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setupGlobals(L)
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if err := L.DoString(p.script); err != nil {
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L.Close()
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return nil, fmt.Errorf("compile adapter %s: %w", p.name, err)
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}
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tbl, ok := L.Get(-1).(*lua.LTable)
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L.Pop(1)
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if !ok {
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L.Close()
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return nil, fmt.Errorf("adapter %s must return a table", p.name)
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}
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L.SetGlobal(adapterGlobal, tbl)
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return &worker{L: L}, nil
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}
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func (p *adapterPool) acquire() (*worker, error) {
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p.mu.Lock()
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for {
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if p.closed {
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p.mu.Unlock()
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return nil, fmt.Errorf("adapter %s pool closed", p.name)
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}
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if n := len(p.idle); n > 0 {
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w := p.idle[n-1]
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p.idle = p.idle[:n-1]
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p.mu.Unlock()
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return w, nil
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}
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if p.created < p.target {
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p.created++
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break
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}
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p.cond.Wait()
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}
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p.mu.Unlock()
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w, err := p.boot()
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if err != nil {
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p.mu.Lock()
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p.created--
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p.cond.Signal()
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p.mu.Unlock()
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return nil, err
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}
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return w, nil
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}
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func (p *adapterPool) release(w *worker) {
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p.mu.Lock()
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if p.closed {
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p.mu.Unlock()
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w.close()
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return
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}
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p.idle = append(p.idle, w)
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p.cond.Signal()
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p.mu.Unlock()
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}
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func (p *adapterPool) shutdown() {
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p.mu.Lock()
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p.closed = true
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idle := p.idle
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p.idle = nil
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p.cond.Broadcast()
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p.mu.Unlock()
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for _, w := range idle {
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w.close()
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}
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}
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// VM 聚合各适配器的 worker 池。所有导出方法并发安全。
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type VM struct {
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mu sync.RWMutex
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dir string
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pools map[string]*adapterPool
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}
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func NewVM(dir string) *VM {
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return &VM{dir: dir, pools: map[string]*adapterPool{}}
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}
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func (v *VM) AdapterDir() string { return v.dir }
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func (v *VM) Start() error {
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if err := os.MkdirAll(v.dir, 0755); err != nil {
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return fmt.Errorf("mkdir adapter dir: %w", err)
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}
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if err := v.writeBundledAdapters(); err != nil {
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return fmt.Errorf("write bundled adapters: %w", err)
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}
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entries, err := os.ReadDir(v.dir)
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return err
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}
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for _, entry := range entries {
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if filepath.Ext(entry.Name()) != ".lua" {
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continue
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}
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path := filepath.Join(v.dir, entry.Name())
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if err := v.LoadAdapter(path); err != nil {
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fmt.Printf("[lua] preload %s: %v\n", entry.Name(), err)
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}
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}
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return nil
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}
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func (v *VM) Stop() {
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v.mu.Lock()
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pools := v.pools
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v.pools = map[string]*adapterPool{}
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v.mu.Unlock()
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for _, p := range pools {
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p.shutdown()
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}
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}
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// ConfigureConcurrency sets each adapter's worker target to the sum of every
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// source's max concurrent calls that share the adapter. Clamped >= 1.
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func (v *VM) ConfigureConcurrency(adapterConcurrency map[string]int) {
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v.mu.RLock()
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defer v.mu.RUnlock()
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for name, n := range adapterConcurrency {
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if p, ok := v.pools[name]; ok {
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if n < 1 {
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n = 1
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}
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p.setTarget(n)
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}
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}
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}
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func (v *VM) LoadAdapter(path string) error {
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data, err := os.ReadFile(path)
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if err != nil {
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return fmt.Errorf("read adapter: %w", err)
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}
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name := strings.TrimSuffix(filepath.Base(path), filepath.Ext(path))
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return v.LoadAdapterSource(name, string(data))
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}
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func (v *VM) LoadAdapterSource(name, code string) error {
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static, err := inspectScript(name, code)
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if err != nil {
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return err
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}
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target := 1
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v.mu.RLock()
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if p, ok := v.pools[static.name]; ok {
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target = p.target
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}
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v.mu.RUnlock()
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v.mu.Lock()
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if p, ok := v.pools[static.name]; ok {
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p.shutdown()
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}
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p := newAdapterPool(static.name, code, *static)
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p.setTarget(target)
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v.pools[static.name] = p
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v.mu.Unlock()
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// 立即 boot 一个 worker，把编译成本放到加载阶段而不是首个请求。
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w, err := p.boot()
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if err != nil {
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return err
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}
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p.release(w)
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return nil
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}
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func (v *VM) RemoveAdapter(name string) {
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v.mu.Lock()
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p := v.pools[name]
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delete(v.pools, name)
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v.mu.Unlock()
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if p != nil {
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p.shutdown()
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}
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}
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func (v *VM) ListAdapters() []APIAdapter {
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v.mu.RLock()
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defer v.mu.RUnlock()
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list := make([]APIAdapter, 0, len(v.pools))
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for name, p := range v.pools {
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list = append(list, APIAdapter{Name: name, Version: p.static.version})
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}
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sort.Slice(list, func(i, j int) bool { return list[i].Name < list[j].Name })
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return list
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}
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func (v *VM) pool(name string) *adapterPool {
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v.mu.RLock()
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defer v.mu.RUnlock()
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return v.pools[name]
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}
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// callMethod 在池 worker 上执行 adapter 的 fn(raw) 并返回字符串结果。
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func callMethod(p *adapterPool, fn, raw string) (string, error) {
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w, err := p.acquire()
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if err != nil {
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return "", err
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}
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defer p.release(w)
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L := w.L
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adapter := L.GetGlobal(adapterGlobal)
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tbl, ok := adapter.(*lua.LTable)
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if !ok {
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return "", fmt.Errorf("adapter %s has no table", p.name)
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}
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f := tbl.RawGetString(fn)
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if _, ok := f.(*lua.LFunction); !ok {
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return "", fmt.Errorf("adapter %s missing %s", p.name, fn)
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}
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L.Push(f)
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L.Push(lua.LString(raw))
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if err := L.PCall(1, 1, nil); err != nil {
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return "", fmt.Errorf("%s: %w", fn, err)
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}
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out := L.Get(-1)
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L.Pop(1)
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return out.String(), nil
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}
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func (v *VM) CallTransformRequest(name, rawJSON string) (string, error) {
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p := v.pool(name)
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if p == nil {
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return "", fmt.Errorf("adapter %s not loaded", name)
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}
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return callMethod(p, "transform_request", rawJSON)
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}
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func (v *VM) CallTransformResponse(name, rawJSON string) (string, error) {
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p := v.pool(name)
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if p == nil {
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return rawJSON, nil
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}
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out, err := callMethod(p, "transform_response", rawJSON)
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if err != nil {
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return "", err
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}
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return out, nil
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}
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func (v *VM) CallTransformStreamChunk(name, rawLine string) (string, error) {
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p := v.pool(name)
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if p == nil {
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return rawLine, nil
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}
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out, err := callMethod(p, "transform_stream_chunk", rawLine)
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if err != nil {
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return rawLine, nil
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}
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if out == "" {
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return "", nil
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}
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return out, nil
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}
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func (v *VM) GetAdapterEndpoint(name string) string {
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p := v.pool(name)
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if p == nil {
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return ""
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}
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p.mu.Lock()
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defer p.mu.Unlock()
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return p.static.endpoint
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}
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func (v *VM) GetAdapterHeaders(name string) map[string]string {
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p := v.pool(name)
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if p == nil {
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return nil
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}
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p.mu.Lock()
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defer p.mu.Unlock()
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hdr := make(map[string]string, len(p.static.headers))
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for k, h := range p.static.headers {
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hdr[k] = h
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}
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return hdr
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}
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// BuildHeaders executes adapter.build_headers(meta); falls back to the static
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// adapter.headers table when no dynamic hook is defined.
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func (v *VM) BuildHeaders(name string, meta map[string]interface{}) (map[string]string, error) {
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p := v.pool(name)
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if p == nil {
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return nil, fmt.Errorf("adapter %s not loaded", name)
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}
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w, err := p.acquire()
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if err != nil {
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return nil, err
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}
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defer p.release(w)
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L := w.L
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adapter := L.GetGlobal(adapterGlobal)
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tbl, ok := adapter.(*lua.LTable)
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if !ok {
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return nil, fmt.Errorf("adapter %s has no table", name)
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}
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f := tbl.RawGetString("build_headers")
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if _, ok := f.(*lua.LFunction); !ok {
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// no dynamic hook -> static headers
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p.mu.Lock()
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hdr := make(map[string]string, len(p.static.headers))
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for k, h := range p.static.headers {
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hdr[k] = h
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}
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p.mu.Unlock()
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return hdr, nil
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}
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L.Push(f)
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L.Push(goValueToLua(L, meta))
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if err := L.PCall(1, 1, nil); err != nil {
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return nil, fmt.Errorf("build_headers: %w", err)
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}
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res := L.Get(-1)
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L.Pop(1)
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tbl2, ok := res.(*lua.LTable)
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if !ok {
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return nil, fmt.Errorf("build_headers returned non-table")
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}
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headers := make(map[string]string)
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tbl2.ForEach(func(key, val lua.LValue) {
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headers[key.String()] = val.String()
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})
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return headers, nil
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}
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// ---- static inspection (compile-once at load time) ----
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func inspectScript(name, code string) (*staticInfo, error) {
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L := lua.NewState()
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setupGlobals(L)
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if err := L.DoString(code); err != nil {
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L.Close()
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return nil, fmt.Errorf("compile adapter: %w", err)
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}
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tbl, ok := L.Get(-1).(*lua.LTable)
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L.Pop(1)
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if !ok {
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L.Close()
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return nil, fmt.Errorf("adapter script must return a table")
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}
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info := &staticInfo{name: name, headers: map[string]string{}}
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if n := readString(tbl, "name"); n != "" {
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info.name = n
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}
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info.version = readString(tbl, "version")
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info.endpoint = readString(tbl, "endpoint")
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if ht, ok := tbl.RawGetString("headers").(*lua.LTable); ok {
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ht.ForEach(func(k, val lua.LValue) {
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info.headers[k.String()] = val.String()
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})
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}
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L.Close()
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return info, nil
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}
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func readString(tbl *lua.LTable, field string) string {
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v := tbl.RawGetString(field)
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switch x := v.(type) {
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case lua.LString:
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return string(x)
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case lua.LNumber:
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return strconv.FormatFloat(float64(x), 'f', -1, 64)
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default:
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return ""
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}
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}
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// ---- shared globals installed into every worker state ----
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func setupGlobals(L *lua.LState) {
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L.SetGlobal("log", L.NewFunction(func(L *lua.LState) int {
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level := L.ToString(1)
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msg := L.ToString(2)
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fmt.Printf("[lua/%s] %s\n", level, msg)
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return 0
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}))
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jsonTable := L.NewTable()
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L.SetGlobal("json", jsonTable)
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L.SetField(jsonTable, "encode", L.NewFunction(func(L *lua.LState) int {
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val := L.CheckAny(1)
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goVal := luaValueToGo(val)
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b, err := json.Marshal(goVal)
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if err != nil {
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L.Push(lua.LString("null"))
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return 1
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}
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L.Push(lua.LString(string(b)))
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return 1
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}))
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L.SetField(jsonTable, "decode", L.NewFunction(func(L *lua.LState) int {
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str := L.CheckString(1)
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var val interface{}
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if err := json.Unmarshal([]byte(str), &val); err != nil {
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L.Push(lua.LNil)
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return 1
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}
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L.Push(goValueToLua(L, val))
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return 1
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}))
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L.SetGlobal("http_get", L.NewFunction(func(L *lua.LState) int {
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url := L.ToString(1)
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client := &http.Client{Timeout: 30 * time.Second}
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resp, err := client.Get(url)
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if err != nil {
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errJSON, _ := json.Marshal(map[string]interface{}{"url": url, "error": err.Error()})
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L.Push(lua.LString(string(errJSON)))
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return 1
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}
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defer resp.Body.Close()
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body, _ := io.ReadAll(resp.Body)
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result, _ := json.Marshal(map[string]interface{}{"url": url, "status": resp.StatusCode, "body": string(body)})
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L.Push(lua.LString(string(result)))
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return 1
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}))
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L.SetGlobal("http_post", L.NewFunction(func(L *lua.LState) int {
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url := L.ToString(1)
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body := L.ToString(2)
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client := &http.Client{Timeout: 30 * time.Second}
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||
resp, err := client.Post(url, "application/json", strings.NewReader(body))
|
||
if err != nil {
|
||
errJSON, _ := json.Marshal(map[string]interface{}{"url": url, "error": err.Error()})
|
||
L.Push(lua.LString(string(errJSON)))
|
||
return 1
|
||
}
|
||
defer resp.Body.Close()
|
||
respBody, _ := io.ReadAll(resp.Body)
|
||
result, _ := json.Marshal(map[string]interface{}{"url": url, "body": string(respBody), "status": resp.StatusCode})
|
||
L.Push(lua.LString(string(result)))
|
||
return 1
|
||
}))
|
||
|
||
// 签名辅助（kimicode 等上游签名型 adapter 需要）
|
||
L.SetGlobal("hmac_sha256_hex", L.NewFunction(func(L *lua.LState) int {
|
||
key := L.ToString(1)
|
||
data := L.ToString(2)
|
||
m := hmac.New(sha256.New, []byte(key))
|
||
m.Write([]byte(data))
|
||
L.Push(lua.LString(hex.EncodeToString(m.Sum(nil))))
|
||
return 1
|
||
}))
|
||
L.SetGlobal("sha256_hex", L.NewFunction(func(L *lua.LState) int {
|
||
h := sha256.Sum256([]byte(L.ToString(1)))
|
||
L.Push(lua.LString(hex.EncodeToString(h[:])))
|
||
return 1
|
||
}))
|
||
L.SetGlobal("base64_encode", L.NewFunction(func(L *lua.LState) int {
|
||
L.Push(lua.LString(base64.StdEncoding.EncodeToString([]byte(L.ToString(1)))))
|
||
return 1
|
||
}))
|
||
L.SetGlobal("tohex", L.NewFunction(func(L *lua.LState) int {
|
||
L.Push(lua.LString(hex.EncodeToString([]byte(L.ToString(1)))))
|
||
return 1
|
||
}))
|
||
}
|
||
|
||
func (v *VM) writeBundledAdapters() error {
|
||
known := []string{
|
||
"openai", "anthropic", "deepseek", "gemini",
|
||
"github", "groq", "mistral", "ollama", "kimicode",
|
||
"server",
|
||
}
|
||
for _, name := range known {
|
||
srcPath := "adapters/" + name + ".lua"
|
||
dstPath := filepath.Join(v.dir, name+".lua")
|
||
if _, err := os.Stat(dstPath); err == nil {
|
||
continue
|
||
}
|
||
data, err := bundledAdapters.ReadFile(srcPath)
|
||
if err != nil {
|
||
continue
|
||
}
|
||
if err := os.WriteFile(dstPath, data, 0644); err != nil {
|
||
return fmt.Errorf("write %s: %w", name+".lua", err)
|
||
}
|
||
fmt.Printf("[lua] installed bundled adapter: %s\n", name+".lua")
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func luaValueToGo(lv lua.LValue) interface{} {
|
||
switch v := lv.(type) {
|
||
case lua.LString:
|
||
return string(v)
|
||
case lua.LNumber:
|
||
return float64(v)
|
||
case lua.LBool:
|
||
return bool(v)
|
||
case *lua.LTable:
|
||
if v.MaxN() > 0 {
|
||
arr := make([]interface{}, 0, v.MaxN())
|
||
v.ForEach(func(_, val lua.LValue) {
|
||
arr = append(arr, luaValueToGo(val))
|
||
})
|
||
return arr
|
||
}
|
||
m := make(map[string]interface{})
|
||
v.ForEach(func(key, val lua.LValue) {
|
||
m[key.String()] = luaValueToGo(val)
|
||
})
|
||
return m
|
||
default:
|
||
return nil
|
||
}
|
||
}
|
||
|
||
func goValueToLua(L *lua.LState, val interface{}) lua.LValue {
|
||
switch v := val.(type) {
|
||
case string:
|
||
return lua.LString(v)
|
||
case float64:
|
||
return lua.LNumber(v)
|
||
case int:
|
||
return lua.LNumber(v)
|
||
case int64:
|
||
return lua.LNumber(v)
|
||
case bool:
|
||
return lua.LBool(v)
|
||
case nil:
|
||
return lua.LNil
|
||
case []interface{}:
|
||
tbl := L.NewTable()
|
||
for i, item := range v {
|
||
tbl.RawSetInt(i+1, goValueToLua(L, item))
|
||
}
|
||
return tbl
|
||
case map[string]interface{}:
|
||
tbl := L.NewTable()
|
||
for k, item := range v {
|
||
tbl.RawSetString(k, goValueToLua(L, item))
|
||
}
|
||
return tbl
|
||
default:
|
||
b, jerr := json.Marshal(v)
|
||
if jerr == nil {
|
||
var iv interface{}
|
||
if json.Unmarshal(b, &iv) == nil {
|
||
return goValueToLua(L, iv)
|
||
}
|
||
}
|
||
return lua.LNil
|
||
}
|
||
}
|