velocystream accept header

Author: Mark

src/main/java/com/arangodb/internal/velocystream/Connection.java

@@ -49,6 +49,8 @@
 public abstract class Connection {
 
 	private static final Logger LOGGER = LoggerFactory.getLogger(Connection.class);
+	private static final byte[] ACCEPT_HEADER = ByteBuffer.wrap("VST/1.0\r\n\r\n".getBytes())
+			.order(ByteOrder.LITTLE_ENDIAN).array();
 
 	private final String host;
 	private final Integer port;
@@ -109,6 +111,7 @@ public synchronized void open() throws IOException {
 			}
 			((SSLSocket) socket).startHandshake();
 		}
+		sendAcceptHeader();
 	}
 
 	public synchronized void close() {
@@ -124,6 +127,11 @@ public synchronized void close() {
 		}
 	}
 
+	private void sendAcceptHeader() throws IOException {
+		outputStream.write(ACCEPT_HEADER);
+		outputStream.flush();
+	}
+
 	protected synchronized void writeIntern(final Message message, final Collection<Chunk> chunks) {
 		for (final Chunk chunk : chunks) {
 			try {

src/test/resources/logback-test.xml

@@ -8,7 +8,7 @@
     </encoder>
   </appender>
 
-  <root level="info">
+  <root level="debug">
     <appender-ref ref="STDOUT" />
   </root>
 </configuration>