Initial commit: 网络拓扑发现系统

- 支持Cisco、华为、H3C、ASA、Linux、Windows设备
- SSH远程采集设备信息
- 自动发现网络拓扑(LLDP/CDP)
- Web可视化界面
- 支持旧版SSH加密算法兼容

pkg/models/models.go

@@ -0,0 +1,94 @@
+package models
+
+import "time"
+
+// DeviceType 设备类型
+type DeviceType string
+
+const (
+	DeviceTypeCisco   DeviceType = "cisco"
+	DeviceTypeHuawei  DeviceType = "huawei"
+	DeviceTypeH3C     DeviceType = "h3c"
+	DeviceTypeASA     DeviceType = "asa"
+	DeviceTypeLinux   DeviceType = "linux"
+	DeviceTypeWindows DeviceType = "windows"
+)
+
+// Device 网络设备
+type Device struct {
+	ID           string      `json:"id"`
+	IP           string      `json:"ip"`
+	Type         DeviceType  `json:"type"`
+	Hostname     string      `json:"hostname"`
+	OSVersion    string      `json:"os_version"`
+	Uptime       string      `json:"uptime"`
+	Interfaces   []Interface `json:"interfaces"`
+	Neighbors    []Neighbor  `json:"neighbors"`
+	LastScanned  time.Time   `json:"last_scanned"`
+	ScanStatus   string      `json:"scan_status"` // success, failed, pending
+	ErrorMessage string      `json:"error_message,omitempty"`
+}
+
+// Interface 网络接口
+type Interface struct {
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	IP          string `json:"ip"`
+	Mask        string `json:"mask"`
+	MAC         string `json:"mac"`
+	Status      string `json:"status"` // up, down, admin down
+	Speed       string `json:"speed"`
+	Duplex      string `json:"duplex"`
+	MTU         int    `json:"mtu"`
+	InBytes     int64  `json:"in_bytes"`
+	OutBytes    int64  `json:"out_bytes"`
+	InPackets   int64  `json:"in_packets"`
+	OutPackets  int64  `json:"out_packets"`
+}
+
+// Neighbor 邻居设备信息
+type Neighbor struct {
+	LocalInterface  string `json:"local_interface"`
+	RemoteDevice    string `json:"remote_device"`
+	RemoteIP        string `json:"remote_ip"`
+	RemoteInterface string `json:"remote_interface"`
+	Protocol        string `json:"protocol"` // CDP, LLDP, ARP
+}
+
+// ScanTask 扫描任务
+type ScanTask struct {
+	ID          string    `json:"id"`
+	Status      string    `json:"status"` // running, completed, failed
+	Progress    int       `json:"progress"`
+	TotalDevices int      `json:"total_devices"`
+	ScannedDevices int    `json:"scanned_devices"`
+	StartTime   time.Time `json:"start_time"`
+	EndTime     time.Time `json:"end_time"`
+	Devices     []Device  `json:"devices"`
+	ErrorMessage string   `json:"error_message,omitempty"`
+}
+
+// TopologyGraph 拓扑图数据
+type TopologyGraph struct {
+	Nodes []TopologyNode `json:"nodes"`
+	Edges []TopologyEdge `json:"edges"`
+}
+
+// TopologyNode 拓扑节点
+type TopologyNode struct {
+	ID       string `json:"id"`
+	IP       string `json:"ip"`
+	Hostname string `json:"hostname"`
+	Type     string `json:"type"`
+	Icon     string `json:"icon"`
+}
+
+// TopologyEdge 拓扑边
+type TopologyEdge struct {
+	ID              string `json:"id"`
+	Source          string `json:"source"`
+	Target          string `json:"target"`
+	SourceInterface string `json:"source_interface"`
+	TargetInterface string `json:"target_interface"`
+	Protocol        string `json:"protocol"`
+}