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When one of the peers has a static public host IP or both peers are in the same local network we establish a direct Wireguard connection bypassing proxy usage. This helps reduce FD usage and improves performance.
73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
package proxy
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import (
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"context"
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log "github.com/sirupsen/logrus"
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"net"
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"time"
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)
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// DummyProxy just sends pings to the RemoteKey peer and reads responses
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type DummyProxy struct {
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conn net.Conn
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remote string
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ctx context.Context
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cancel context.CancelFunc
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}
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func NewDummyProxy(remote string) *DummyProxy {
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p := &DummyProxy{remote: remote}
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p.ctx, p.cancel = context.WithCancel(context.Background())
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return p
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}
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func (p *DummyProxy) Close() error {
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p.cancel()
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return nil
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}
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func (p *DummyProxy) Start(remoteConn net.Conn) error {
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p.conn = remoteConn
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go func() {
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buf := make([]byte, 1500)
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for {
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select {
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case <-p.ctx.Done():
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return
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default:
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_, err := p.conn.Read(buf)
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if err != nil {
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log.Errorf("error while reading RemoteKey %s proxy %v", p.remote, err)
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return
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}
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//log.Debugf("received %s from %s", string(buf[:n]), p.remote)
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}
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}
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}()
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go func() {
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for {
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select {
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case <-p.ctx.Done():
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return
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default:
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_, err := p.conn.Write([]byte("hello"))
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//log.Debugf("sent ping to %s", p.remote)
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if err != nil {
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log.Errorf("error while writing to RemoteKey %s proxy %v", p.remote, err)
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return
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}
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time.Sleep(5 * time.Second)
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}
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}
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}()
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return nil
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}
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func (p *DummyProxy) Type() Type {
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return TypeDummy
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}
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