113 lines
2.0 KiB
Go
113 lines
2.0 KiB
Go
package fwd
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import (
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"context"
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"log/slog"
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"proxy-server/pkg/utils"
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"proxy-server/server/fwd/core"
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"sync"
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)
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type Config struct {
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Id *int32
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}
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type Service struct {
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Config *Config
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ctx context.Context
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cancel context.CancelFunc
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userConnMap core.ConnMap
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fwdLesWg utils.CountWaitGroup
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ctrlConnWg utils.CountWaitGroup
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dataConnWg utils.CountWaitGroup
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userConnWg utils.CountWaitGroup
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fwdPortMap map[uint16]int32 // 转发端口映射，key 为端口号，value 为边缘节点 ID
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}
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func New(config *Config) *Service {
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if config == nil {
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config = &Config{}
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}
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ctx, cancel := context.WithCancel(context.Background())
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return &Service{
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Config: config,
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ctx: ctx,
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cancel: cancel,
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fwdPortMap: make(map[uint16]int32),
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}
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}
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func (s *Service) Run() error {
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slog.Info("启动 fwd 服务")
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errQuit := make(chan struct{}, 2)
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defer close(errQuit)
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wg := sync.WaitGroup{}
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// 控制通道监听
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wg.Add(1)
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go func() {
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defer wg.Done()
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err := s.startCtrlTun()
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if err != nil {
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slog.Error("fwd 控制通道监听发生错误", "err", err)
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errQuit <- struct{}{}
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return
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}
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}()
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// 数据通道监听
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wg.Add(1)
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go func() {
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defer wg.Done()
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err := s.startDataTun()
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if err != nil {
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slog.Error("fwd 数据通道监听发生错误", "err", err)
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errQuit <- struct{}{}
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return
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}
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}()
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// 等待退出
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select {
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case <-s.ctx.Done():
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slog.Info("fwd 服务主动退出")
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case <-errQuit:
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slog.Warn("fwd 服务异常退出")
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s.Stop()
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}
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wg.Wait()
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s.dataConnWg.Wait()
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s.ctrlConnWg.Wait()
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s.fwdLesWg.Wait()
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s.userConnWg.Wait()
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// 清理资源
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s.userConnMap.Range(func(key string, value *core.Conn) bool {
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utils.Close(value)
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return true
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})
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s.userConnMap.Clear()
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s.ctrlConnWg.Wait()
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slog.Debug("控制通道连接已关闭")
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s.dataConnWg.Wait()
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slog.Debug("数据通道连接已关闭")
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s.fwdLesWg.Wait()
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slog.Debug("转发服务已关闭")
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wg.Wait()
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slog.Info("fwd 服务已退出")
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return nil
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}
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func (s *Service) Stop() {
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s.cancel()
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}
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