mirror of
https://github.com/Ed1s0nZ/CyberStrikeAI.git
synced 2026-05-15 12:58:01 +02:00
公明
394 lines
14 KiB
Go
394 lines
14 KiB
Go
package handler
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"sync"
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"time"
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"cyberstrike-ai/internal/mcp"
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"cyberstrike-ai/internal/multiagent"
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"github.com/gin-gonic/gin"
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"go.uber.org/zap"
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)
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// EinoSingleAgentLoopStream Eino ADK 单代理（ChatModelAgent + Runner）流式对话；不依赖 multi_agent.enabled。
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func (h *AgentHandler) EinoSingleAgentLoopStream(c *gin.Context) {
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c.Header("Content-Type", "text/event-stream")
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c.Header("Cache-Control", "no-cache")
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c.Header("Connection", "keep-alive")
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var req ChatRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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ev := StreamEvent{Type: "error", Message: "请求参数错误: " + err.Error()}
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b, _ := json.Marshal(ev)
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fmt.Fprintf(c.Writer, "data: %s\n\n", b)
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done := StreamEvent{Type: "done", Message: ""}
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db, _ := json.Marshal(done)
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fmt.Fprintf(c.Writer, "data: %s\n\n", db)
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if flusher, ok := c.Writer.(http.Flusher); ok {
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flusher.Flush()
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}
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return
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}
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c.Header("X-Accel-Buffering", "no")
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var baseCtx context.Context
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clientDisconnected := false
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var sseWriteMu sync.Mutex
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var ssePublishConversationID string
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sendEvent := func(eventType, message string, data interface{}) {
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if eventType == "error" && baseCtx != nil {
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cause := context.Cause(baseCtx)
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if errors.Is(cause, ErrTaskCancelled) || errors.Is(cause, multiagent.ErrInterruptContinue) {
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return
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}
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}
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ev := StreamEvent{Type: eventType, Message: message, Data: data}
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b, errMarshal := json.Marshal(ev)
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if errMarshal != nil {
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b = []byte(`{"type":"error","message":"marshal failed"}`)
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}
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sseLine := make([]byte, 0, len(b)+8)
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sseLine = append(sseLine, []byte("data: ")...)
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sseLine = append(sseLine, b...)
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sseLine = append(sseLine, '\n', '\n')
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if ssePublishConversationID != "" && h.taskEventBus != nil {
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h.taskEventBus.Publish(ssePublishConversationID, sseLine)
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}
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if clientDisconnected {
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return
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}
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select {
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case <-c.Request.Context().Done():
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clientDisconnected = true
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return
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default:
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}
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sseWriteMu.Lock()
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_, err := c.Writer.Write(sseLine)
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if err != nil {
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sseWriteMu.Unlock()
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clientDisconnected = true
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return
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}
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if flusher, ok := c.Writer.(http.Flusher); ok {
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flusher.Flush()
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} else {
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c.Writer.Flush()
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}
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sseWriteMu.Unlock()
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}
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h.logger.Info("收到 Eino ADK 单代理流式请求",
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zap.String("conversationId", req.ConversationID),
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)
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prep, err := h.prepareMultiAgentSession(&req)
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if err != nil {
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sendEvent("error", err.Error(), nil)
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sendEvent("done", "", nil)
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return
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}
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ssePublishConversationID = prep.ConversationID
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if prep.CreatedNew {
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sendEvent("conversation", "会话已创建", map[string]interface{}{
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"conversationId": prep.ConversationID,
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})
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}
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conversationID := prep.ConversationID
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assistantMessageID := prep.AssistantMessageID
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h.activateHITLForConversation(conversationID, req.Hitl)
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if h.hitlManager != nil {
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defer h.hitlManager.DeactivateConversation(conversationID)
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}
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if prep.UserMessageID != "" {
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sendEvent("message_saved", "", map[string]interface{}{
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"conversationId": conversationID,
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"userMessageId": prep.UserMessageID,
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})
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}
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var cancelWithCause context.CancelCauseFunc
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curFinalMessage := prep.FinalMessage
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curHistory := prep.History
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roleTools := prep.RoleTools
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taskStatus := "completed"
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// 仅在成功 StartTask 后再 FinishTask。若 StartTask 因 ErrTaskAlreadyRunning 失败仍 defer FinishTask，
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// 会误删其他连接上正在运行的同会话任务，导致「第一次拦截、第二次却放行」。
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taskOwned := false
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defer func() {
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if taskOwned {
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h.tasks.FinishTask(conversationID, taskStatus)
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}
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}()
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sendEvent("progress", "正在启动 Eino ADK 单代理（ChatModelAgent）...", map[string]interface{}{
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"conversationId": conversationID,
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})
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stopKeepalive := make(chan struct{})
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go sseKeepalive(c, stopKeepalive, &sseWriteMu)
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defer close(stopKeepalive)
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if h.config == nil {
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taskStatus = "failed"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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sendEvent("error", "服务器配置未加载", nil)
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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return
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}
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var result *multiagent.RunResult
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var runErr error
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baseCtx, cancelWithCause = context.WithCancelCause(context.Background())
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taskCtx, timeoutCancel := context.WithTimeout(baseCtx, 600*time.Minute)
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if _, err := h.tasks.StartTask(conversationID, req.Message, cancelWithCause); err != nil {
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var errorMsg string
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if errors.Is(err, ErrTaskAlreadyRunning) {
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errorMsg = "⚠️ 当前会话已有任务正在执行中，请等待当前任务完成或点击「停止任务」后再尝试。"
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sendEvent("error", errorMsg, map[string]interface{}{
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"conversationId": conversationID,
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"errorType": "task_already_running",
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})
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} else {
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errorMsg = "❌ 无法启动任务: " + err.Error()
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sendEvent("error", errorMsg, nil)
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}
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if assistantMessageID != "" {
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_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", errorMsg, time.Now(), assistantMessageID)
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}
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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timeoutCancel()
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return
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}
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taskOwned = true
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var cumulativeMCPExecutionIDs []string
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for {
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progressCallback := h.createProgressCallback(taskCtx, cancelWithCause, conversationID, assistantMessageID, sendEvent)
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taskCtxLoop := mcp.WithMCPConversationID(taskCtx, conversationID)
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taskCtxLoop = mcp.WithToolRunRegistry(taskCtxLoop, h.tasks)
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taskCtxLoop = multiagent.WithHITLToolInterceptor(taskCtxLoop, func(ctx context.Context, toolName, arguments string) (string, error) {
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return h.interceptHITLForEinoTool(ctx, cancelWithCause, conversationID, assistantMessageID, sendEvent, toolName, arguments)
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})
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result, runErr = multiagent.RunEinoSingleChatModelAgent(
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taskCtxLoop,
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h.config,
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&h.config.MultiAgent,
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h.agent,
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h.logger,
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conversationID,
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curFinalMessage,
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curHistory,
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roleTools,
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progressCallback,
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chatReasoningToClientIntent(req.Reasoning),
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)
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timeoutCancel()
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if result != nil && len(result.MCPExecutionIDs) > 0 {
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cumulativeMCPExecutionIDs = mergeMCPExecutionIDLists(cumulativeMCPExecutionIDs, result.MCPExecutionIDs)
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}
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if runErr == nil {
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break
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}
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cause := context.Cause(baseCtx)
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if errors.Is(cause, multiagent.ErrInterruptContinue) {
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if shouldPersistEinoAgentTraceAfterRunError(baseCtx) {
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h.persistEinoAgentTraceForResume(conversationID, result)
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}
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note := h.tasks.TakeInterruptContinueNote(conversationID)
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icSummary := interruptContinueTimelineSummary(note)
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progressCallback("user_interrupt_continue", icSummary, map[string]interface{}{
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"conversationId": conversationID,
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"rawReason": strings.TrimSpace(note),
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"emptyReason": strings.TrimSpace(note) == "",
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"kind": "no_active_mcp_tool",
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})
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inject := formatInterruptContinueUserMessage(note)
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// 不写入 messages 表为 user 气泡：避免主对话流出现大段模板；说明已由 user_interrupt_continue 记入助手 process_details（迭代详情）。
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if hist, err := h.loadHistoryFromAgentTrace(conversationID); err == nil && len(hist) > 0 {
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curHistory = hist
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}
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curFinalMessage = inject
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sendEvent("progress", "已合并用户补充与最新轨迹，正在继续推理…", map[string]interface{}{
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"conversationId": conversationID,
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"source": "interrupt_continue",
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})
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h.tasks.UpdateTaskStatus(conversationID, "running")
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baseCtx, cancelWithCause = context.WithCancelCause(context.Background())
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h.tasks.BindTaskCancel(conversationID, cancelWithCause)
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taskCtx, timeoutCancel = context.WithTimeout(baseCtx, 600*time.Minute)
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continue
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}
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if shouldPersistEinoAgentTraceAfterRunError(baseCtx) {
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h.persistEinoAgentTraceForResume(conversationID, result)
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}
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if errors.Is(cause, ErrTaskCancelled) {
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taskStatus = "cancelled"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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cancelMsg := "任务已被用户取消，后续操作已停止。"
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if assistantMessageID != "" {
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if result != nil {
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if err := h.mergeAssistantMessagePartialOnCancel(assistantMessageID, result.Response); err != nil {
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h.logger.Warn("合并取消前的部分回复失败", zap.Error(err))
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}
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}
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if err := h.appendAssistantMessageNotice(assistantMessageID, cancelMsg); err != nil {
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h.logger.Warn("更新取消后的助手消息失败", zap.Error(err))
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}
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_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "cancelled", cancelMsg, nil)
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}
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sendEvent("cancelled", cancelMsg, map[string]interface{}{
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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return
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}
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if errors.Is(runErr, context.DeadlineExceeded) || errors.Is(context.Cause(taskCtx), context.DeadlineExceeded) {
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taskStatus = "timeout"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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timeoutMsg := "任务执行超时，已自动终止。"
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if assistantMessageID != "" {
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_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", timeoutMsg, time.Now(), assistantMessageID)
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_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "timeout", timeoutMsg, nil)
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}
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sendEvent("error", timeoutMsg, map[string]interface{}{
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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"errorType": "timeout",
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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return
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}
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h.logger.Error("Eino ADK 单代理执行失败", zap.Error(runErr))
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taskStatus = "failed"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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errMsg := "执行失败: " + runErr.Error()
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if assistantMessageID != "" {
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_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", errMsg, time.Now(), assistantMessageID)
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_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "error", errMsg, nil)
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}
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sendEvent("error", errMsg, map[string]interface{}{
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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return
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}
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if assistantMessageID != "" {
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_ = h.db.UpdateAssistantMessageFinalize(assistantMessageID, result.Response, cumulativeMCPExecutionIDs, multiagent.AggregatedReasoningFromTraceJSON(result.LastAgentTraceInput))
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}
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if result.LastAgentTraceInput != "" || result.LastAgentTraceOutput != "" {
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if err := h.db.SaveAgentTrace(conversationID, result.LastAgentTraceInput, result.LastAgentTraceOutput); err != nil {
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h.logger.Warn("保存代理轨迹失败", zap.Error(err))
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}
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}
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sendEvent("response", result.Response, map[string]interface{}{
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"mcpExecutionIds": cumulativeMCPExecutionIDs,
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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"agentMode": "eino_single",
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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}
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// EinoSingleAgentLoop Eino ADK 单代理非流式对话。
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func (h *AgentHandler) EinoSingleAgentLoop(c *gin.Context) {
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var req ChatRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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h.logger.Info("收到 Eino ADK 单代理非流式请求", zap.String("conversationId", req.ConversationID))
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prep, err := h.prepareMultiAgentSession(&req)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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h.activateHITLForConversation(prep.ConversationID, req.Hitl)
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if h.hitlManager != nil {
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defer h.hitlManager.DeactivateConversation(prep.ConversationID)
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}
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var progressBuf strings.Builder
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progressCallbackRaw := func(eventType, message string, data interface{}) {
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progressBuf.WriteString(eventType)
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progressBuf.WriteByte('\n')
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}
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baseCtx, cancelWithCause := context.WithCancelCause(c.Request.Context())
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defer cancelWithCause(nil)
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taskCtx, timeoutCancel := context.WithTimeout(baseCtx, 600*time.Minute)
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defer timeoutCancel()
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progressCallback := h.createProgressCallback(taskCtx, cancelWithCause, prep.ConversationID, prep.AssistantMessageID, progressCallbackRaw)
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taskCtx = multiagent.WithHITLToolInterceptor(taskCtx, func(ctx context.Context, toolName, arguments string) (string, error) {
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return h.interceptHITLForEinoTool(ctx, cancelWithCause, prep.ConversationID, prep.AssistantMessageID, nil, toolName, arguments)
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})
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if h.config == nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "服务器配置未加载"})
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return
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}
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result, runErr := multiagent.RunEinoSingleChatModelAgent(
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taskCtx,
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h.config,
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&h.config.MultiAgent,
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h.agent,
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h.logger,
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prep.ConversationID,
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prep.FinalMessage,
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prep.History,
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prep.RoleTools,
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progressCallback,
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chatReasoningToClientIntent(req.Reasoning),
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)
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if runErr != nil {
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if shouldPersistEinoAgentTraceAfterRunError(baseCtx) {
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h.persistEinoAgentTraceForResume(prep.ConversationID, result)
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}
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c.JSON(http.StatusInternalServerError, gin.H{"error": runErr.Error()})
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return
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}
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if prep.AssistantMessageID != "" {
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_ = h.db.UpdateAssistantMessageFinalize(prep.AssistantMessageID, result.Response, result.MCPExecutionIDs, multiagent.AggregatedReasoningFromTraceJSON(result.LastAgentTraceInput))
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}
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if result.LastAgentTraceInput != "" || result.LastAgentTraceOutput != "" {
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_ = h.db.SaveAgentTrace(prep.ConversationID, result.LastAgentTraceInput, result.LastAgentTraceOutput)
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}
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c.JSON(http.StatusOK, gin.H{
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"response": result.Response,
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"conversationId": prep.ConversationID,
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"mcpExecutionIds": result.MCPExecutionIDs,
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"assistantMessageId": prep.AssistantMessageID,
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"agentMode": "eino_single",
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})
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}
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