50 lines
813 B
Go
50 lines
813 B
Go
package tunnel
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import (
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"context"
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"io"
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"net"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/logger"
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)
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func pipe(ctx context.Context, client net.Conn, server net.Conn) (err error) {
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stop := make(chan bool)
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go func() {
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err = relay(client, server, stop)
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if err != nil {
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err = errors.WithStack(err)
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logger.Debug(ctx, "client->server error", logger.E(err))
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}
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}()
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go func() {
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err = relay(server, client, stop)
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if err != nil {
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err = errors.WithStack(err)
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logger.Debug(ctx, "server->client error", logger.E(err))
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}
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}()
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select {
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case <-stop:
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return err
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}
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}
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func relay(src net.Conn, dst net.Conn, stop chan bool) (err error) {
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_, err = io.Copy(dst, src)
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if errors.Is(err, io.EOF) {
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err = nil
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}
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if err != nil {
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err = errors.WithStack(err)
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}
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stop <- true
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return
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}
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