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Code for my website

use socket passing also for TLS

Alan Pearce
commit

ffeb0c45e6e62eb915e85fce3264564e1014b0ef

parent

b2c1769c5fbcff5f015352fc28203801e196dc7e

1 file changed, 29 insertions(+), 1 deletion(-)

changed files
M internal/listenfd/listenfd.gointernal/listenfd/listenfd.go
@@ -1,16 +1,44 @@
package listenfd import ( + "crypto/tls" "net" "os" "strconv" + "website/internal/log" "github.com/pkg/errors" ) const fdStart = 3 -func GetListener(i uint64) (net.Listener, error) { +func GetListener(i uint64, addr string) (l net.Listener, err error) { + l, err = getFDSocket(0) + if err != nil { + log.Warn("could not create listener from listenfd", "error", err) + } + + log.Debug("listener from listenfd?", "passed", l != nil) + if l == nil { + l, err = net.Listen("tcp", addr) + if err != nil { + return nil, errors.Wrap(err, "could not create listener") + } + } + + return +} + +func GetListenerTLS(i uint64, addr string, config *tls.Config) (l net.Listener, err error) { + l, err = GetListener(i, addr) + if err != nil { + return nil, err + } + + return tls.NewListener(l, config), nil +} + +func getFDSocket(i uint64) (net.Listener, error) { lfds, present := os.LookupEnv("LISTEN_FDS") if !present { return nil, nil