wip

networking/freePort.go

@@ -0,0 +1,17 @@
+package net
+
+import "net"
+
+func GetFreeTcpPort() (int, error) {
+	addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
+	if err != nil {
+		return 0, err
+	}
+
+	l, err := net.ListenTCP("tcp", addr)
+	if err != nil {
+		return 0, err
+	}
+	defer l.Close()
+	return l.Addr().(*net.TCPAddr).Port, nil
+}

networking/go.mod

@@ -0,0 +1,3 @@
+module gitea.codeblob.work/pk/gut/networking
+
+go 1.22.0