created project structure

internal/dns/constants.go

@@ -0,0 +1 @@
+package dns

internal/dns/header.go

@@ -0,0 +1 @@
+package dns

internal/dns/message.go

@@ -0,0 +1 @@
+package dns

internal/dns/question.go

@@ -0,0 +1 @@
+package dns

internal/dns/utils.go

@@ -0,0 +1,15 @@
+package dns
+
+import "encoding/binary"
+
+func uint16ToBytes(val uint16) []byte {
+	buf := make([]byte, 2)
+	binary.BigEndian.PutUint16(buf, val)
+	return buf
+}
+
+func uint32ToBytes(val uint32) []byte {
+	buf := make([]byte, 4)
+	binary.BigEndian.PutUint32(buf, val)
+	return buf
+}

internal/network/client.go

@@ -0,0 +1 @@
+package network

internal/network/config.go

@@ -0,0 +1 @@
+package network