ginuerzh
63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package router
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import (
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"bytes"
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"github.com/go-gost/core/common/bufpool"
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"github.com/go-gost/core/logger"
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"github.com/go-gost/relay"
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)
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func (h *routerHandler) handleEntrypoint(log logger.Logger) error {
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buf := bufpool.Get(h.md.bufferSize)
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defer bufpool.Put(buf)
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for {
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err := func() error {
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n, addr, err := h.epConn.ReadFrom(buf)
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if err != nil {
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return err
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}
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req := relay.Request{}
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nn, err := req.ReadFrom(bytes.NewReader(buf[:n]))
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if err != nil {
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return nil
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}
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if req.Cmd != relay.CmdAssociate {
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return nil
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}
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var routerID relay.TunnelID
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var gateway string
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for _, f := range req.Features {
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switch f.Type() {
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case relay.FeatureTunnel:
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if feature, _ := f.(*relay.TunnelFeature); feature != nil {
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routerID = feature.ID
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}
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case relay.FeatureAddr:
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if feature, _ := f.(*relay.AddrFeature); feature != nil {
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gateway = feature.Host
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}
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}
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}
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log.Tracef("redirect from %s to %s@%s", addr, gateway, routerID)
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if c := h.pool.Get(routerID, gateway); c != nil {
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if w := c.Writer(); w != nil {
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w.Write(buf[nn:])
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}
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}
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return nil
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}()
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if err != nil {
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return err
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}
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}
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}
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