Add demo script

+
+// TCP로 통신할 때는 정의를 유효하게 하여 주십시오.
+#define USE_TRANSPORT_TCP
+
+using UnityEngine;
+using System.Collections;
+using System.Net;
+
+
+public class LibrarySample : MonoBehaviour {
+
+	// 통신 모듈.
+	public GameObject	transportTcpPrefab;
+	public GameObject	transportUdpPrefab;
+
+	// 통신용 변수.
+#if USE_TRANSPORT_TCP
+	TransportTCP		m_transport = null;
+#else
+	TransportUDP		m_transport = null;
+#endif
+
+	// 접속할 IP 주소.
+	private string		m_strings = "";
+
+	// 접속할 포트 번호.
+	private const int 	m_port = 50765;
+
+	private const int 	m_mtu = 1400;
+
+	private bool 		isSelected = false;
+
+
+	// Use this for initialization
+	void Start ()
+	{
+		// Transport 클래스의 컴포넌트를 가져온다.
+#if USE_TRANSPORT_TCP
+		GameObject obj = GameObject.Instantiate(transportTcpPrefab) as GameObject;
+		m_transport = obj.GetComponent<TransportTCP>();
+#else
+		GameObject obj = GameObject.Instantiate(transportUdpPrefab) as GameObject;
+		m_transport = obj.GetComponent<TransportUDP>();
+#endif
+
+		IPHostEntry hostEntry = Dns.GetHostEntry(Dns.GetHostName());
+		System.Net.IPAddress hostAddress = hostEntry.AddressList[0];
+		Debug.Log(hostEntry.HostName);
+		m_strings = hostAddress.ToString();
+	}
+	
+	// Update is called once per frame
+	void Update ()
+	{
+		if (m_transport != null && m_transport.isConnected == true) {
+			byte[] buffer = new byte[m_mtu];
+			int recvSize = m_transport.Receive(ref buffer, buffer.Length);
+			if (recvSize > 0) {
+				string message = System.Text.Encoding.UTF8.GetString(buffer);
+				Debug.Log(message);
+			}
+		}
+	}
+
+	void OnGUI()
+	{
+		if (isSelected == false) {
+			OnGUISelectHost();
+		}
+		else {
+			if (m_transport.isServer == true) {
+				OnGUIServer();
+			}
+			else {
+				OnGUIClient();
+			}
+		}
+	}
+
+	void OnGUISelectHost()
+	{
+#if USE_TRANSPORT_TCP
+		if (GUI.Button (new Rect (20,40, 150,20), "Launch server.")) {
+#else
+		if (GUI.Button (new Rect (20,40, 150,20), "Launch Listener.")) {
+#endif
+			m_transport.StartServer(m_port, 1);
+			isSelected = true;
+		}
+		
+		// 클라이언트를 선택했을 때 접속할 서버 주소를 입력합니다.
+		m_strings = GUI.TextField(new Rect(20, 100, 200, 20), m_strings);
+#if USE_TRANSPORT_TCP
+			if (GUI.Button (new Rect (20,70,150,20), "Connect to server")) {
+#else
+			if (GUI.Button (new Rect (20,70,150,20), "Connect to terminal")) {
+#endif
+			m_transport.Connect(m_strings, m_port);
+			isSelected = true;
+			m_strings = "";
+		}	
+	}
+
+	void OnGUIServer()
+	{
+#if USE_TRANSPORT_TCP
+		if (GUI.Button (new Rect (20,60, 150,20), "Stop server")) {
+#else
+		if (GUI.Button (new Rect (20,60, 150,20), "Stop Listener")) {
+#endif
+			m_transport.StopServer();
+			isSelected = false;
+			m_strings = "";
+		}
+	}
+
+
+	void OnGUIClient()
+	{
+		// 클라이언트를 선택했을 때 접속할 서버의 주소를 입력합니다.
+		if (GUI.Button (new Rect (20,70,150,20), "Send message")) {
+			byte[] buffer = System.Text.Encoding.UTF8.GetBytes("Hellow, this is client.");	
+			m_transport.Send(buffer, buffer.Length);
+		}
+
+		if (GUI.Button (new Rect (20,100, 150,20), "Disconnect")) {
+			m_transport.Disconnect();
+			isSelected = false;
+			m_strings = "";
+		}
+	}
+
+}
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