Files
CyberStrikeAI/handler/eino_single_agent.go
T
2026-04-19 19:14:53 +08:00

291 lines
8.3 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
package handler
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
"sync"
"time"
"cyberstrike-ai/internal/multiagent"
"github.com/gin-gonic/gin"
"go.uber.org/zap"
)
// EinoSingleAgentLoopStream Eino ADK 单代理(ChatModelAgent + Runner)流式对话;不依赖 multi_agent.enabled。
func (h *AgentHandler) EinoSingleAgentLoopStream(c *gin.Context) {
c.Header("Content-Type", "text/event-stream")
c.Header("Cache-Control", "no-cache")
c.Header("Connection", "keep-alive")
var req ChatRequest
if err := c.ShouldBindJSON(&req); err != nil {
ev := StreamEvent{Type: "error", Message: "请求参数错误: " + err.Error()}
b, _ := json.Marshal(ev)
fmt.Fprintf(c.Writer, "data: %s\n\n", b)
done := StreamEvent{Type: "done", Message: ""}
db, _ := json.Marshal(done)
fmt.Fprintf(c.Writer, "data: %s\n\n", db)
if flusher, ok := c.Writer.(http.Flusher); ok {
flusher.Flush()
}
return
}
c.Header("X-Accel-Buffering", "no")
var baseCtx context.Context
clientDisconnected := false
var sseWriteMu sync.Mutex
sendEvent := func(eventType, message string, data interface{}) {
if clientDisconnected {
return
}
if eventType == "error" && baseCtx != nil && errors.Is(context.Cause(baseCtx), ErrTaskCancelled) {
return
}
select {
case <-c.Request.Context().Done():
clientDisconnected = true
return
default:
}
ev := StreamEvent{Type: eventType, Message: message, Data: data}
b, _ := json.Marshal(ev)
sseWriteMu.Lock()
_, err := fmt.Fprintf(c.Writer, "data: %s\n\n", b)
if err != nil {
sseWriteMu.Unlock()
clientDisconnected = true
return
}
if flusher, ok := c.Writer.(http.Flusher); ok {
flusher.Flush()
} else {
c.Writer.Flush()
}
sseWriteMu.Unlock()
}
h.logger.Info("收到 Eino ADK 单代理流式请求",
zap.String("conversationId", req.ConversationID),
)
prep, err := h.prepareMultiAgentSession(&req)
if err != nil {
sendEvent("error", err.Error(), nil)
sendEvent("done", "", nil)
return
}
if prep.CreatedNew {
sendEvent("conversation", "会话已创建", map[string]interface{}{
"conversationId": prep.ConversationID,
})
}
conversationID := prep.ConversationID
assistantMessageID := prep.AssistantMessageID
if prep.UserMessageID != "" {
sendEvent("message_saved", "", map[string]interface{}{
"conversationId": conversationID,
"userMessageId": prep.UserMessageID,
})
}
progressCallback := h.createProgressCallback(conversationID, assistantMessageID, sendEvent)
var cancelWithCause context.CancelCauseFunc
baseCtx, cancelWithCause = context.WithCancelCause(context.Background())
taskCtx, timeoutCancel := context.WithTimeout(baseCtx, 600*time.Minute)
defer timeoutCancel()
defer cancelWithCause(nil)
if _, err := h.tasks.StartTask(conversationID, req.Message, cancelWithCause); err != nil {
var errorMsg string
if errors.Is(err, ErrTaskAlreadyRunning) {
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。"
sendEvent("error", errorMsg, map[string]interface{}{
"conversationId": conversationID,
"errorType": "task_already_running",
})
} else {
errorMsg = "❌ 无法启动任务: " + err.Error()
sendEvent("error", errorMsg, nil)
}
if assistantMessageID != "" {
_, _ = h.db.Exec("UPDATE messages SET content = ? WHERE id = ?", errorMsg, assistantMessageID)
}
sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
return
}
taskStatus := "completed"
defer h.tasks.FinishTask(conversationID, taskStatus)
sendEvent("progress", "正在启动 Eino ADK 单代理(ChatModelAgent...", map[string]interface{}{
"conversationId": conversationID,
})
stopKeepalive := make(chan struct{})
go sseKeepalive(c, stopKeepalive, &sseWriteMu)
defer close(stopKeepalive)
if h.config == nil {
sendEvent("error", "服务器配置未加载", nil)
sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
return
}
result, runErr := multiagent.RunEinoSingleChatModelAgent(
taskCtx,
h.config,
&h.config.MultiAgent,
h.agent,
h.logger,
conversationID,
prep.FinalMessage,
prep.History,
prep.RoleTools,
prep.RoleSkills,
progressCallback,
)
if runErr != nil {
cause := context.Cause(baseCtx)
if errors.Is(cause, ErrTaskCancelled) {
taskStatus = "cancelled"
h.tasks.UpdateTaskStatus(conversationID, taskStatus)
cancelMsg := "任务已被用户取消,后续操作已停止。"
if assistantMessageID != "" {
_, _ = h.db.Exec("UPDATE messages SET content = ? WHERE id = ?", cancelMsg, assistantMessageID)
_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "cancelled", cancelMsg, nil)
}
sendEvent("cancelled", cancelMsg, map[string]interface{}{
"conversationId": conversationID,
"messageId": assistantMessageID,
})
sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
return
}
h.logger.Error("Eino ADK 单代理执行失败", zap.Error(runErr))
taskStatus = "failed"
h.tasks.UpdateTaskStatus(conversationID, taskStatus)
errMsg := "执行失败: " + runErr.Error()
if assistantMessageID != "" {
_, _ = h.db.Exec("UPDATE messages SET content = ? WHERE id = ?", errMsg, assistantMessageID)
_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "error", errMsg, nil)
}
sendEvent("error", errMsg, map[string]interface{}{
"conversationId": conversationID,
"messageId": assistantMessageID,
})
sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
return
}
if assistantMessageID != "" {
mcpIDsJSON := ""
if len(result.MCPExecutionIDs) > 0 {
jsonData, _ := json.Marshal(result.MCPExecutionIDs)
mcpIDsJSON = string(jsonData)
}
_, _ = h.db.Exec(
"UPDATE messages SET content = ?, mcp_execution_ids = ? WHERE id = ?",
result.Response,
mcpIDsJSON,
assistantMessageID,
)
}
if result.LastReActInput != "" || result.LastReActOutput != "" {
if err := h.db.SaveReActData(conversationID, result.LastReActInput, result.LastReActOutput); err != nil {
h.logger.Warn("保存 ReAct 数据失败", zap.Error(err))
}
}
sendEvent("response", result.Response, map[string]interface{}{
"mcpExecutionIds": result.MCPExecutionIDs,
"conversationId": conversationID,
"messageId": assistantMessageID,
"agentMode": "eino_single",
})
sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
}
// EinoSingleAgentLoop Eino ADK 单代理非流式对话。
func (h *AgentHandler) EinoSingleAgentLoop(c *gin.Context) {
var req ChatRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
h.logger.Info("收到 Eino ADK 单代理非流式请求", zap.String("conversationId", req.ConversationID))
prep, err := h.prepareMultiAgentSession(&req)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
var progressBuf strings.Builder
progressCallback := func(eventType, message string, data interface{}) {
progressBuf.WriteString(eventType)
progressBuf.WriteByte('\n')
}
if h.config == nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "服务器配置未加载"})
return
}
result, runErr := multiagent.RunEinoSingleChatModelAgent(
c.Request.Context(),
h.config,
&h.config.MultiAgent,
h.agent,
h.logger,
prep.ConversationID,
prep.FinalMessage,
prep.History,
prep.RoleTools,
prep.RoleSkills,
progressCallback,
)
if runErr != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": runErr.Error()})
return
}
if prep.AssistantMessageID != "" {
mcpIDsJSON := ""
if len(result.MCPExecutionIDs) > 0 {
jsonData, _ := json.Marshal(result.MCPExecutionIDs)
mcpIDsJSON = string(jsonData)
}
_, _ = h.db.Exec(
"UPDATE messages SET content = ?, mcp_execution_ids = ? WHERE id = ?",
result.Response,
mcpIDsJSON,
prep.AssistantMessageID,
)
}
if result.LastReActInput != "" || result.LastReActOutput != "" {
_ = h.db.SaveReActData(prep.ConversationID, result.LastReActInput, result.LastReActOutput)
}
c.JSON(http.StatusOK, gin.H{
"response": result.Response,
"conversationId": prep.ConversationID,
"mcpExecutionIds": result.MCPExecutionIDs,
"assistantMessageId": prep.AssistantMessageID,
"agentMode": "eino_single",
})
}