Added option serverPort for remote clients which do not have a known hostname

src/main/java/fr/ill/ics/util/ConfigManager.java

@@ -27,6 +27,8 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
@@ -564,6 +566,7 @@ public class ConfigManager {
 	
 	public String getServerEndpoint() {
 		
+		// The server endpoint can be entirely defined in the variable 'serverEndpoint'.
 		String serverEndpoint = getStringOrNothingAtAll("serverEndpoint");
 		
 		if (serverEndpoint != null) {
@@ -571,6 +574,24 @@ public class ConfigManager {
 			return serverEndpoint;
 		}
 		
+		// The server endpoint can be partially defined in the variable 'serverPort'.
+		// In that case, the own IP address is used.
+		// It is necessary in case of a remote client because this endpoint is passed to the server responder to contact the client for its response.
+		// In future implementation of requester/responder this may not be necessary.
+		String serverPort = getStringOrNothingAtAll("serverPort");
+		
+		// Default value for port.
+		if (serverPort == null) {
+			serverPort = "7000";
+		}
+		
+		try {
+			serverEndpoint = "tcp://" + InetAddress.getLocalHost().getHostAddress() + ":" + serverPort;
+			System.out.println("================> serverEndPoint " + serverEndpoint);
+			return serverEndpoint;
+		} catch (UnknownHostException e) {
+		}
+		
 		return "tcp://localhost:7000";
 	}