From 626c98ba94db20a89cbcc8f7fdbe1b09c271066c Mon Sep 17 00:00:00 2001
From: Michael Smith <m@smith.eu>
Date: Wed, 20 May 2026 11:17:17 +0200
Subject: [PATCH] Implement Frames

---
 agwpe.go      | 32 --------------------------------
 frame.go      | 35 +++++++++++++++++++++++++++++++++++
 frame_test.go | 13 +++++++++++++
 3 files changed, 48 insertions(+), 32 deletions(-)
 create mode 100644 frame.go
 create mode 100644 frame_test.go

diff --git a/agwpe.go b/agwpe.go
index 0ac13ad..c573708 100644
--- a/agwpe.go
+++ b/agwpe.go
@@ -64,35 +64,3 @@ func (pe *PacketEngine) Disconnect() error {
 
 	return nil
 }
-
-// import "encoding/binary"
-
-// type Frame struct {
-// 	Port      byte
-// 	Reserved0 [3]byte
-// 	DataKind  byte
-// 	Reserved1 byte
-// 	PID       byte
-// 	Reserved2 byte
-// 	CallFrom  [10]byte
-// 	CallTo    [10]byte
-// 	DataLen   uint32
-// 	User      [4]byte
-// }
-
-// func (f *Frame) Serialize() []byte {
-// 	buf := make([]byte, 36)
-
-// 	buf[0] = f.Port
-// 	// Ignore reserved bytes 1 to 3
-// 	buf[4] = f.DataKind
-// 	// Ignore reserved byte 5
-// 	buf[6] = f.PID
-// 	// Ignore reserved byte 7
-// 	copy(buf[8:18], f.CallFrom[:])
-// 	copy(buf[18:28], f.CallTo[:])
-// 	binary.LittleEndian.PutUint32(buf[28:32], f.DataLen)
-// 	copy(buf[32:36], f.User[:])
-
-// 	return buf
-// }
diff --git a/frame.go b/frame.go
new file mode 100644
index 0000000..66cda08
--- /dev/null
+++ b/frame.go
@@ -0,0 +1,35 @@
+package agwpe
+
+import (
+	"encoding/binary"
+)
+
+type FrameHeader struct {
+	Port      byte
+	Reserved0 [3]byte
+	DataKind  byte
+	Reserved1 byte
+	PID       byte
+	Reserved2 byte
+	CallFrom  [10]byte
+	CallTo    [10]byte
+	DataLen   uint32
+	User      [4]byte
+}
+
+func (f *FrameHeader) Serialize() []byte {
+	buf := make([]byte, 36)
+
+	buf[0] = f.Port
+	// Ignore reserved bytes 1 to 3
+	buf[4] = f.DataKind
+	// Ignore reserved byte 5
+	buf[6] = f.PID
+	// Ignore reserved byte 7
+	copy(buf[8:18], f.CallFrom[:])
+	copy(buf[18:28], f.CallTo[:])
+	binary.LittleEndian.PutUint32(buf[28:32], f.DataLen)
+	copy(buf[32:36], f.User[:])
+
+	return buf
+}
diff --git a/frame_test.go b/frame_test.go
new file mode 100644
index 0000000..9470f90
--- /dev/null
+++ b/frame_test.go
@@ -0,0 +1,13 @@
+package agwpe
+
+import (
+	"testing"
+)
+
+func TestNewFrameHeader(t *testing.T) {
+
+}
+
+func TestFrameHeader_Serialize(t *testing.T) {
+
+}