move server to server directory.

server/internal/webrtc/payload/receive.go

@@ -0,0 +1,55 @@
+package payload
+
+import "math"
+
+const (
+	OP_MOVE     = 0x01
+	OP_SCROLL   = 0x02
+	OP_KEY_DOWN = 0x03
+	OP_KEY_UP   = 0x04
+	OP_BTN_DOWN = 0x05
+	OP_BTN_UP   = 0x06
+	OP_PING     = 0x07
+	// touch events
+	OP_TOUCH_BEGIN  = 0x08
+	OP_TOUCH_UPDATE = 0x09
+	OP_TOUCH_END    = 0x0a
+)
+
+type Move struct {
+	X uint16
+	Y uint16
+}
+
+// TODO: remove this once the client is fixed
+type Scroll_Old struct {
+	X int16
+	Y int16
+}
+
+type Scroll struct {
+	DeltaX     int16
+	DeltaY     int16
+	ControlKey bool
+}
+
+type Key struct {
+	Key uint32
+}
+
+type Ping struct {
+	// client's timestamp split into two uint32
+	ClientTs1 uint32
+	ClientTs2 uint32
+}
+
+func (p Ping) ClientTs() uint64 {
+	return (uint64(p.ClientTs1) * uint64(math.MaxUint32)) + uint64(p.ClientTs2)
+}
+
+type Touch struct {
+	TouchId  uint32
+	X        int32
+	Y        int32
+	Pressure uint8
+}