Add LLDP neighbor collection and endpoint.

Collect LLDP-MIB neighbor fields during SNMP scans, persist records, and expose LLDP results via REST.

Made-with: Cursor

internal/scans/store.go

@@ -65,6 +65,8 @@ type Store interface {
 	ListOpenPortResults(scanID string, limit int) []OpenPortResult
 	SaveSNMPResult(scanID string, result SNMPResult) error
 	ListSNMPResults(scanID string, limit int) []SNMPResult
+	SaveLLDPResult(scanID string, result LLDPResult) error
+	ListLLDPResults(scanID string, limit int) []LLDPResult
 }
 
 type HostResult struct {
@@ -90,12 +92,22 @@ type SNMPResult struct {
 	CheckedAt   time.Time `json:"checked_at"`
 }
 
+type LLDPResult struct {
+	IP              string    `json:"ip"`
+	LocalPortNum    string    `json:"local_port_num"`
+	RemoteChassisID string    `json:"remote_chassis_id"`
+	RemotePortID    string    `json:"remote_port_id"`
+	RemoteSysName   string    `json:"remote_sys_name"`
+	CheckedAt       time.Time `json:"checked_at"`
+}
+
 type MemoryStore struct {
 	mu    sync.RWMutex
 	jobs  map[string]ScanJob
 	hosts map[string][]HostResult
 	ports map[string][]OpenPortResult
 	snmp  map[string][]SNMPResult
+	lldp  map[string][]LLDPResult
 }
 
 func NewMemoryStore() *MemoryStore {
@@ -104,6 +116,7 @@ func NewMemoryStore() *MemoryStore {
 		hosts: make(map[string][]HostResult),
 		ports: make(map[string][]OpenPortResult),
 		snmp:  make(map[string][]SNMPResult),
+		lldp:  make(map[string][]LLDPResult),
 	}
 }
 
@@ -283,6 +296,35 @@ func (s *MemoryStore) ListSNMPResults(scanID string, limit int) []SNMPResult {
 	return out
 }
 
+func (s *MemoryStore) SaveLLDPResult(scanID string, result LLDPResult) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if _, ok := s.jobs[scanID]; !ok {
+		return errors.New("scan not found")
+	}
+	s.lldp[scanID] = append(s.lldp[scanID], result)
+	return nil
+}
+
+func (s *MemoryStore) ListLLDPResults(scanID string, limit int) []LLDPResult {
+	if limit <= 0 {
+		limit = 2000
+	}
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	items := s.lldp[scanID]
+	if len(items) <= limit {
+		out := make([]LLDPResult, len(items))
+		copy(out, items)
+		return out
+	}
+	out := make([]LLDPResult, limit)
+	copy(out, items[:limit])
+	return out
+}
+
 func applyDefaultOptions(opts *ScanOptions) {
 	if opts.PingTimeoutMS <= 0 {
 		opts.PingTimeoutMS = 700