Add reuse, defer and fast-accept ports

Slightly update CI, add windows and macOS build targets

2 files changed, 48 insertions, 0 deletions

diff --git a/util/network.go b/util/network.go
index b9066de7..54d29519 100644
--- a/util/network.go
+++ b/util/network.go
@@ -1,8 +1,11 @@
+// +build linux
+
 package util
 
 import (
 	"errors"
 	"fmt"
+	"github.com/valyala/tcplisten"
 	"net"
 	"os"
 	"strings"
@@ -27,6 +30,18 @@ func CreateListener(address string) (net.Listener, error) {
 		}
 	}
 
+	cfg := tcplisten.Config{
+		ReusePort:   true,
+		DeferAccept: true,
+		FastOpen:    true,
+		Backlog:     0,
+	}
+
+	// tcp4 is currently supported
+	if dsn[0] == "tcp" {
+		return cfg.NewListener("tcp4", dsn[1])
+	}
+
 	return net.Listen(dsn[0], dsn[1])
 }
 
diff --git a/util/network_windows.go b/util/network_windows.go
new file mode 100644
index 00000000..e5bc67c8
--- /dev/null
+++ b/util/network_windows.go
@@ -0,0 +1,33 @@
+// +build windows
+
+package util
+
+import (
+	"errors"
+	"fmt"
+	"net"
+	"os"
+	"strings"
+	"syscall"
+)
+
+// CreateListener crates socket listener based on DSN definition.
+func CreateListener(address string) (net.Listener, error) {
+	dsn := strings.Split(address, "://")
+	if len(dsn) != 2 {
+		return nil, errors.New("invalid DSN (tcp://:6001, unix://file.sock)")
+	}
+
+	if dsn[0] != "unix" && dsn[0] != "tcp" {
+		return nil, errors.New("invalid Protocol (tcp://:6001, unix://file.sock)")
+	}
+
+	if dsn[0] == "unix" && fileExists(dsn[1]) {
+		err := syscall.Unlink(dsn[1])
+		if err != nil {
+			return nil, fmt.Errorf("error during the unlink syscall: error %v", err)
+		}
+	}
+
+	return net.Listen(dsn[0], dsn[1])
+}
\ No newline at end of file