mirror of
https://github.com/ehang-io/nps.git
synced 2025-07-02 04:00:42 +00:00
488 lines
10 KiB
Go
488 lines
10 KiB
Go
package utils
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import (
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"easyProxy/utils"
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"encoding/csv"
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"errors"
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"github.com/astaxie/beego"
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"log"
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"os"
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"strconv"
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"sync"
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)
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var (
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CsvDb *Csv
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once sync.Once
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)
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type Flow struct {
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ExportFlow int64 //出口流量
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InletFlow int64 //入口流量
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}
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type Client struct {
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Cnf *ServerConfig
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Id int //id
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VerifyKey string //验证密钥
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Addr string //客户端ip地址
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Remark string //备注
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Status bool //是否开启
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IsConnect bool //是否连接
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Flow *Flow
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}
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type ServerConfig struct {
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TcpPort int //服务端与客户端通信端口
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VerifyKey string
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Mode string //启动方式
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Target string //目标
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U string //socks5验证用户名
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P string //socks5验证密码
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Compress string //压缩方式
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Start int //是否开启
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IsRun int //是否在运行
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ClientStatus int //客s户端状态
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Crypt bool //是否加密
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Mux bool //是否加密
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CompressEncode int //加密方式
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CompressDecode int //解密方式
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Id int //Id
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ClientId int //所属客户端id
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UseClientCnf bool //是否继承客户端配置
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Flow *Flow
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Remark string //备注
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}
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type HostList struct {
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ClientId int //服务端与客户端通信端口
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Host string //启动方式
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Target string //目标
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HeaderChange string //host修改
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HostChange string //host修改
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Flow *Flow
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Remark string //备注
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}
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func NewCsv() *Csv {
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c := new(Csv)
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return c
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}
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type Csv struct {
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Tasks []*ServerConfig
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Path string
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Hosts []*HostList //域名列表
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Clients []*Client //客户端
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ClientIncreaseId int //客户端id
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TaskIncreaseId int //任务自增ID
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sync.Mutex
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}
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func (s *Csv) Init() {
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s.LoadTaskFromCsv()
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s.LoadHostFromCsv()
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s.LoadClientFromCsv()
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}
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func (s *Csv) StoreTasksToCsv() {
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// 创建文件
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csvFile, err := os.Create(beego.AppPath + "/conf/tasks.csv")
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if err != nil {
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log.Fatalf(err.Error())
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}
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defer csvFile.Close()
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writer := csv.NewWriter(csvFile)
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for _, task := range s.Tasks {
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record := []string{
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strconv.Itoa(task.TcpPort),
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task.Mode,
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task.Target,
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task.U,
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task.P,
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task.Compress,
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strconv.Itoa(task.Start),
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GetStrByBool(task.Crypt),
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GetStrByBool(task.Mux),
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strconv.Itoa(task.CompressEncode),
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strconv.Itoa(task.CompressDecode),
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strconv.Itoa(task.Id),
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strconv.Itoa(task.ClientId),
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strconv.FormatBool(task.UseClientCnf),
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task.Remark,
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}
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err := writer.Write(record)
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if err != nil {
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log.Fatalf(err.Error())
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}
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}
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writer.Flush()
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}
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func (s *Csv) openFile(path string) ([][]string, error) {
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// 打开文件
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file, err := os.Open(path)
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if err != nil {
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panic(err)
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}
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defer file.Close()
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// 获取csv的reader
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reader := csv.NewReader(file)
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// 设置FieldsPerRecord为-1
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reader.FieldsPerRecord = -1
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// 读取文件中所有行保存到slice中
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return reader.ReadAll()
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}
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func (s *Csv) LoadTaskFromCsv() {
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path := beego.AppPath + "/conf/tasks.csv"
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records, err := s.openFile(path)
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if err != nil {
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log.Fatal("配置文件打开错误:", path)
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}
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var tasks []*ServerConfig
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// 将每一行数据保存到内存slice中
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for _, item := range records {
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post := &ServerConfig{
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TcpPort: GetIntNoErrByStr(item[0]),
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Mode: item[1],
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Target: item[2],
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U: item[3],
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P: item[4],
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Compress: item[5],
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Start: GetIntNoErrByStr(item[6]),
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Crypt: GetBoolByStr(item[7]),
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Mux: GetBoolByStr(item[8]),
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CompressEncode: GetIntNoErrByStr(item[9]),
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CompressDecode: GetIntNoErrByStr(item[10]),
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Id: GetIntNoErrByStr(item[11]),
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ClientId: GetIntNoErrByStr(item[12]),
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UseClientCnf: GetBoolByStr(item[13]),
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Remark: item[14],
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}
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post.Flow = new(Flow)
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tasks = append(tasks, post)
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if post.Id > s.TaskIncreaseId {
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s.TaskIncreaseId = post.Id
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}
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}
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s.Tasks = tasks
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}
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func (s *Csv) GetTaskId() int {
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s.Lock()
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defer s.Unlock()
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s.TaskIncreaseId++
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return s.TaskIncreaseId
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}
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func (s *Csv) GetIdByVerifyKey(vKey string, addr string) (int, error) {
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s.Lock()
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defer s.Unlock()
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for _, v := range s.Clients {
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if utils.Getverifyval(v.VerifyKey) == vKey && v.Status {
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v.Addr = addr
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return v.Id, nil
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}
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}
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return 0, errors.New("not found")
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}
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func (s *Csv) NewTask(t *ServerConfig) {
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t.Flow = new(Flow)
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s.Tasks = append(s.Tasks, t)
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s.StoreTasksToCsv()
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}
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func (s *Csv) UpdateTask(t *ServerConfig) error {
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for k, v := range s.Tasks {
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if v.Id == t.Id {
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s.Tasks = append(s.Tasks[:k], s.Tasks[k+1:]...)
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s.Tasks = append(s.Tasks, t)
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s.StoreTasksToCsv()
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return nil
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}
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}
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return errors.New("不存在")
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}
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func (s *Csv) DelTask(id int) error {
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for k, v := range s.Tasks {
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if v.Id == id {
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s.Tasks = append(s.Tasks[:k], s.Tasks[k+1:]...)
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s.StoreTasksToCsv()
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return nil
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}
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}
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return errors.New("不存在")
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}
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func (s *Csv) GetTask(id int) (v *ServerConfig, err error) {
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for _, v = range s.Tasks {
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if v.Id == id {
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return
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}
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}
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err = errors.New("未找到")
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return
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}
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func (s *Csv) StoreHostToCsv() {
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// 创建文件
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csvFile, err := os.Create(beego.AppPath + "/conf/hosts.csv")
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if err != nil {
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panic(err)
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}
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defer csvFile.Close()
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// 获取csv的Writer
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writer := csv.NewWriter(csvFile)
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// 将map中的Post转换成slice，因为csv的Write需要slice参数
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// 并写入csv文件
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for _, host := range s.Hosts {
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record := []string{
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host.Host,
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host.Target,
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strconv.Itoa(host.ClientId),
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host.HeaderChange,
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host.HostChange,
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host.Remark,
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}
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err1 := writer.Write(record)
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if err1 != nil {
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panic(err1)
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}
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}
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// 确保所有内存数据刷到csv文件
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writer.Flush()
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}
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func (s *Csv) LoadClientFromCsv() {
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path := beego.AppPath + "/conf/clients.csv"
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records, err := s.openFile(path)
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if err != nil {
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log.Fatal("配置文件打开错误:", path)
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}
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var clients []*Client
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// 将每一行数据保存到内存slice中
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for _, item := range records {
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post := &Client{
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Id: GetIntNoErrByStr(item[0]),
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VerifyKey: item[1],
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Addr: item[2],
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Remark: item[3],
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Status: GetBoolByStr(item[4]),
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Cnf: &ServerConfig{
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U: item[5],
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P: item[6],
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Crypt: GetBoolByStr(item[7]),
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Mux: GetBoolByStr(item[8]),
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Compress: item[9],
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},
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}
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if post.Id > s.ClientIncreaseId {
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s.ClientIncreaseId = post.Id
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}
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post.Flow = new(Flow)
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clients = append(clients, post)
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}
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s.Clients = clients
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}
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func (s *Csv) LoadHostFromCsv() {
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path := beego.AppPath + "/conf/hosts.csv"
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records, err := s.openFile(path)
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if err != nil {
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log.Fatal("配置文件打开错误:", path)
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}
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var hosts []*HostList
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// 将每一行数据保存到内存slice中
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for _, item := range records {
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post := &HostList{
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ClientId: GetIntNoErrByStr(item[2]),
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Host: item[0],
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Target: item[1],
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HeaderChange: item[3],
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HostChange: item[4],
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Remark: item[5],
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}
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post.Flow = new(Flow)
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hosts = append(hosts, post)
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}
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s.Hosts = hosts
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}
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func (s *Csv) DelHost(host string) error {
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for k, v := range s.Hosts {
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if v.Host == host {
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s.Hosts = append(s.Hosts[:k], s.Hosts[k+1:]...)
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s.StoreHostToCsv()
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return nil
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}
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}
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return errors.New("不存在")
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}
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func (s *Csv) NewHost(t *HostList) {
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t.Flow = new(Flow)
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s.Hosts = append(s.Hosts, t)
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s.StoreHostToCsv()
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}
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func (s *Csv) UpdateHost(t *HostList) error {
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for k, v := range s.Hosts {
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if v.Host == t.Host {
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s.Hosts = append(s.Hosts[:k], s.Hosts[k+1:]...)
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s.Hosts = append(s.Hosts, t)
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s.StoreHostToCsv()
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return nil
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}
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}
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return errors.New("不存在")
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}
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func (s *Csv) GetHostList(start, length int, id int) ([]*HostList, int) {
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list := make([]*HostList, 0)
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var cnt int
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for _, v := range s.Hosts {
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if id == 0 || v.ClientId == id {
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cnt++
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if start--; start < 0 {
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if length--; length > 0 {
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list = append(list, v)
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}
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}
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}
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}
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return list, cnt
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}
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func (s *Csv) DelClient(id int) error {
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for k, v := range s.Clients {
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if v.Id == id {
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s.Clients = append(s.Clients[:k], s.Clients[k+1:]...)
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s.StoreClientsToCsv()
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return nil
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}
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}
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return errors.New("不存在")
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}
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func (s *Csv) NewClient(c *Client) {
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s.Lock()
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defer s.Unlock()
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c.Flow = new(Flow)
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s.Clients = append(s.Clients, c)
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s.StoreClientsToCsv()
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}
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func (s *Csv) GetClientId() int {
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s.Lock()
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defer s.Unlock()
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s.ClientIncreaseId++
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return s.ClientIncreaseId
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}
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func (s *Csv) UpdateClient(t *Client) error {
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s.Lock()
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defer s.Unlock()
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for k, v := range s.Clients {
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if v.Id == t.Id {
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s.Clients = append(s.Clients[:k], s.Clients[k+1:]...)
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s.Clients = append(s.Clients, t)
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s.StoreClientsToCsv()
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return nil
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}
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}
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return errors.New("不存在")
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}
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func (s *Csv) GetClientList(start, length int) ([]*Client, int) {
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list := make([]*Client, 0)
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var cnt int
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for _, v := range s.Clients {
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cnt++
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if start--; start < 0 {
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if length--; length > 0 {
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list = append(list, v)
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}
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}
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}
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return list, cnt
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}
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func (s *Csv) GetClient(id int) (v *Client, err error) {
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for _, v = range s.Clients {
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if v.Id == id {
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return
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}
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}
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err = errors.New("未找到")
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return
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}
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func (s *Csv) StoreClientsToCsv() {
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// 创建文件
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csvFile, err := os.Create(beego.AppPath + "/conf/clients.csv")
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if err != nil {
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log.Fatalf(err.Error())
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}
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defer csvFile.Close()
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writer := csv.NewWriter(csvFile)
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for _, client := range s.Clients {
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record := []string{
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strconv.Itoa(client.Id),
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client.VerifyKey,
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client.Addr,
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client.Remark,
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strconv.FormatBool(client.Status),
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client.Cnf.U,
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client.Cnf.P,
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utils.GetStrByBool(client.Cnf.Crypt),
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utils.GetStrByBool(client.Cnf.Mux),
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client.Cnf.Compress,
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}
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err := writer.Write(record)
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if err != nil {
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log.Fatalf(err.Error())
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}
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}
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writer.Flush()
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}
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//init csv from file
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func GetCsvDb() *Csv {
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once.Do(func() {
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CsvDb = NewCsv()
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CsvDb.Init()
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})
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return CsvDb
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}
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//深拷贝serverConfig
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func DeepCopyConfig(c *ServerConfig) *ServerConfig {
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return &ServerConfig{
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TcpPort: c.TcpPort,
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VerifyKey: c.VerifyKey,
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Mode: c.Mode,
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Target: c.Target,
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U: c.U,
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P: c.P,
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Compress: c.Compress,
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Start: c.Start,
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IsRun: c.IsRun,
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ClientStatus: c.ClientStatus,
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Crypt: c.Crypt,
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Mux: c.Mux,
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CompressEncode: c.CompressEncode,
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CompressDecode: c.CompressDecode,
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Id: c.Id,
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ClientId: c.ClientId,
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UseClientCnf: c.UseClientCnf,
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Flow: c.Flow,
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Remark: c.Remark,
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}
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}
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