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cmanager.go
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cmanager.go
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package cmanager
import (
"encoding/json"
"fmt"
"github.com/ibuilding-x/driver-box/driverbox/config"
"os"
"path/filepath"
"sort"
)
var Manager *manager
type manager struct {
path string // 驱动配置路径
folderNames []string // 用于固定遍历顺序
configs map[string]config.Config
}
// Load 从指定路径加载所有配置
func Load(path string) error {
// 加载所有配置
configMap, err := parseFromPath(path)
if err != nil {
return err
}
// 获取配置目录名称
var folderNames []string
for k, _ := range configMap {
folderNames = append(folderNames, k)
}
// 排序
sort.Strings(folderNames)
Manager = &manager{
path: path,
folderNames: folderNames,
configs: configMap,
}
return nil
}
func (m *manager) GetConfigMap() map[string]config.Config {
return m.configs
}
// MergeConfig 合并配置
// 以最新数据为准,追加、覆盖原始数据
func (m *manager) MergeConfig(c config.Config) error {
folderName := fmt.Sprintf("gen-%s", c.ProtocolName)
// 是否存在相同协议配置文件
// 存在:覆盖合并
// 不存在:新增
for _, name := range m.folderNames {
if m.configs[name].ProtocolName == c.ProtocolName {
// 覆盖合并
// 1. 合并模型
modelMap := m.mergeModels(m.configs[name].DeviceModels, c.DeviceModels)
// 2. 合并设备
deviceMap := m.mergeDevices(m.getAllDevice(m.configs[name]), m.getAllDevice(c))
// 2.1 添加设备到模型下
for s, model := range modelMap {
model.Devices = deviceMap[s]
modelMap[s] = model
}
// 3. 合并连接
connections := m.mergeConnections(m.configs[name].Connections, c.Connections)
// 4. 组合
models := make([]config.DeviceModel, 0)
for k, _ := range modelMap {
models = append(models, modelMap[k])
}
c = config.Config{
DeviceModels: models,
Connections: connections,
ProtocolName: c.ProtocolName,
Tasks: make([]config.TimerTask, 0),
}
folderName = name
}
}
// 保存
return m.save(folderName, c)
}
// UpdateDeviceArea 更新设备区域信息
func (m *manager) UpdateDeviceArea(sn string, area string) error {
// 所有配置
for name, _ := range m.configs {
// 所有模型
for i, model := range m.configs[name].DeviceModels {
// 模型下所有设备
for j, device := range model.Devices {
if device.DeviceSn == sn {
// 防止空属性异常
if device.Properties == nil {
device.Properties = make(map[string]string)
}
// 更新区域信息
device.Properties["area"] = area
m.configs[name].DeviceModels[i].Devices[j] = device
// 持久化到文件
return m.save(name, m.configs[name])
}
}
}
}
return nil
}
// UpdateDeviceDesc 更新设备描述
func (m *manager) UpdateDeviceDesc(sn string, desc string) error {
// 所有配置
for name, _ := range m.configs {
// 所有模型
for i, model := range m.configs[name].DeviceModels {
// 模型下所有设备
for j, device := range model.Devices {
if device.DeviceSn == sn {
// 更新设备描述
device.Description = desc
m.configs[name].DeviceModels[i].Devices[j] = device
// 持久化到文件
return m.save(name, m.configs[name])
}
}
}
}
return nil
}
// DeleteDevice 删除设备
func (m *manager) DeleteDevice(sn string) error {
// 所有配置
for name, _ := range m.configs {
// 所有模型
for i, model := range m.configs[name].DeviceModels {
// 模型下所有设备
for j, device := range model.Devices {
if device.DeviceSn == sn {
// 删除设备
m.configs[name].DeviceModels[i].Devices = append(m.configs[name].DeviceModels[i].Devices[:j], m.configs[name].DeviceModels[i].Devices[j+1:]...)
// 持久化到文件
return m.save(name, m.configs[name])
}
}
}
}
return nil
}
// getAllDevice 获取指定配置下所有设备信息
func (m *manager) getAllDevice(c config.Config) []config.Device {
var devices []config.Device
for _, model := range c.DeviceModels {
for _, device := range model.Devices {
device.ModelName = model.Name
devices = append(devices, device)
}
}
return devices
}
// mergeModels 合并模型
// 注意:需要清除模型下关联设备
func (m *manager) mergeModels(old []config.DeviceModel, new []config.DeviceModel) map[string]config.DeviceModel {
mergeModels := make(map[string]config.DeviceModel)
for _, model := range old {
// 移除模型下所有设备
model.Devices = make([]config.Device, 0)
// 通过模型名称区分(模型名称不同,物模型ID可能相同)
mergeModels[model.Name] = model
}
// 合并模型
for _, model := range new {
// 移除模型下所有设备
model.Devices = make([]config.Device, 0)
mergeModels[model.Name] = model
}
return mergeModels
}
// mergeDevices 合并设备信息
// 注意:入参 config.Device 需要携带模型信息
func (m *manager) mergeDevices(old []config.Device, new []config.Device) map[string][]config.Device {
// 合并设备
deviceMap := make(map[string]config.Device)
for _, device := range old {
deviceMap[device.DeviceSn] = device
}
for _, device := range new {
deviceMap[device.DeviceSn] = device
}
// 转换数据,以模型名称作为设备列表索引
mergeDevices := make(map[string][]config.Device)
for _, device := range deviceMap {
if _, exist := mergeDevices[device.ModelName]; !exist {
mergeDevices[device.ModelName] = make([]config.Device, 0)
}
mergeDevices[device.ModelName] = append(mergeDevices[device.ModelName], device)
}
return mergeDevices
}
// mergeConnections 合并连接
func (m *manager) mergeConnections(old map[string]any, new map[string]any) map[string]any {
mergeConnections := make(map[string]any)
for k, _ := range old {
mergeConnections[k] = old[k]
}
for k, _ := range new {
mergeConnections[k] = new[k]
}
return mergeConnections
}
// save 持久化数据到配置文件
func (m *manager) save(folderName string, c config.Config) error {
// 创建文件夹
dir := filepath.Join(m.path, folderName)
if err := os.MkdirAll(dir, 0755); err != nil {
return err
}
file := filepath.Join(dir, "config.json")
b, _ := json.MarshalIndent(c, "", "\t")
return os.WriteFile(file, b, 0666)
}