实现代理节点功能，包括主程序入口、配置加载、心跳检测和状态管理，添加相关服务和API响应结构

atsf_agent/internal/state/state.go

@@ -0,0 +1,96 @@
+package state
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"sync"
+)
+
+type Snapshot struct {
+	NodeID          string `json:"node_id"`
+	CurrentVersion  string `json:"current_version"`
+	CurrentChecksum string `json:"current_checksum"`
+	LastError       string `json:"last_error"`
+}
+
+type Store struct {
+	path string
+	mu   sync.Mutex
+}
+
+func NewStore(path string) *Store {
+	return &Store{path: filepath.Clean(path)}
+}
+
+func (s *Store) Load() (*Snapshot, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	return s.loadUnlocked()
+}
+
+func (s *Store) EnsureNodeID() (string, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	snapshot, err := s.loadUnlocked()
+	if err != nil {
+		return "", err
+	}
+	if snapshot.NodeID != "" {
+		return snapshot.NodeID, nil
+	}
+	snapshot.NodeID, err = newNodeID()
+	if err != nil {
+		return "", err
+	}
+	if err = s.saveUnlocked(snapshot); err != nil {
+		return "", err
+	}
+	return snapshot.NodeID, nil
+}
+
+func (s *Store) Save(snapshot *Snapshot) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	return s.saveUnlocked(snapshot)
+}
+
+func (s *Store) loadUnlocked() (*Snapshot, error) {
+	data, err := os.ReadFile(s.path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return &Snapshot{}, nil
+		}
+		return nil, err
+	}
+	snapshot := &Snapshot{}
+	if len(data) == 0 {
+		return snapshot, nil
+	}
+	if err = json.Unmarshal(data, snapshot); err != nil {
+		return nil, err
+	}
+	return snapshot, nil
+}
+
+func (s *Store) saveUnlocked(snapshot *Snapshot) error {
+	if err := os.MkdirAll(filepath.Dir(s.path), 0o755); err != nil {
+		return err
+	}
+	data, err := json.MarshalIndent(snapshot, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(s.path, data, 0o644)
+}
+
+func newNodeID() (string, error) {
+	buf := make([]byte, 8)
+	if _, err := rand.Read(buf); err != nil {
+		return "", err
+	}
+	return "node-" + hex.EncodeToString(buf), nil
+}

atsf_agent/internal/state/state_test.go

@@ -0,0 +1,21 @@
+package state
+
+import (
+	"path/filepath"
+	"testing"
+)
+
+func TestEnsureNodeIDPersists(t *testing.T) {
+	store := NewStore(filepath.Join(t.TempDir(), "state.json"))
+	nodeID1, err := store.EnsureNodeID()
+	if err != nil {
+		t.Fatalf("EnsureNodeID failed: %v", err)
+	}
+	nodeID2, err := store.EnsureNodeID()
+	if err != nil {
+		t.Fatalf("EnsureNodeID second call failed: %v", err)
+	}
+	if nodeID1 == "" || nodeID1 != nodeID2 {
+		t.Fatal("expected node id to persist across calls")
+	}
+}