Code cleanup for network module.

Assets/Cryville/Common/Network/TlsClient.cs

@@ -2,6 +2,7 @@ using Org.BouncyCastle.Security;
 using Org.BouncyCastle.Tls;
 using Org.BouncyCastle.Tls.Crypto;
 using Org.BouncyCastle.Tls.Crypto.Impl.BC;
+using System;
 using System.Collections;
 using System.IO;
 using System.Linq;
@@ -9,7 +10,7 @@ using System.Text;
 using BcTlsClient = Org.BouncyCastle.Tls.TlsClient;
 
 namespace Cryville.Common.Network {
-	public class TlsClient {
+	public class TlsClient : IDisposable {
 		readonly TlsClientProtocol _protocol;
 		readonly BcTlsClient _tlsClient;
 		public Stream Stream { get; private set; }
@@ -27,6 +28,16 @@ namespace Cryville.Common.Network {
 			_protocol.Close();
 		}
 
+		public void Dispose() {
+			Dispose(true);
+		}
+
+		public virtual void Dispose(bool disposing) {
+			if (disposing) {
+				Close();
+			}
+		}
+
 		private class InternalTlsClient : DefaultTlsClient {
 			readonly string _host;