Add usage help to README.

README.md

@@ -9,3 +9,13 @@ The syslog server is able to listen on UDP and/or TCP and parses syslog messages
 - Install the syslogd package (*.deb* or *.rpm*) from [downloads](https://bitbucket.org/mnellemann/syslogd/downloads/) or compile from source.
 - Run *bin/syslogd*, use the *-h* option for help :)
 
+````
+Usage: syslogd [-hV] [--[no-]tcp] [--[no-]udp] [--rfc3164] [-p=<port>]
+Simple syslog server that prints messages to stdout.
+  -h, --help          Show this help message and exit.
+      --[no-]tcp      Listen on TCP, true by default.
+      --[no-]udp      Listen on UDP, true by default.
+  -p, --port=<port>   Listening port, 514 (privileged) by default.
+      --rfc3164       Parse RFC3164 syslog message, RFC5424 by default.
+  -V, --version       Print version information and exit.
+````

src/main/java/biz/nellemann/syslogd/Ansi.java

@@ -1,8 +1,9 @@
 package biz.nellemann.syslogd;
 
-public enum Color {
+public enum Ansi {
     //Color end string, color reset
     RESET("\033[0m"),
+    CLEAR_LINE("\033[0K"),
 
     // Regular Colors. Normal color, no bold, background color etc.
     BLACK("\033[0;30m"),    // BLACK
@@ -76,7 +77,7 @@ public enum Color {
 
     private final String code;
 
-    Color(String code) {
+    Ansi(String code) {
         this.code = code;
     }
 

src/main/java/biz/nellemann/syslogd/SyslogMessage.java

@@ -52,20 +52,20 @@ public class SyslogMessage {
 
         StringBuilder sb = new StringBuilder();
 
-        sb.append(Color.WHITE); sb.append(timestamp.toString() + " "); sb.append(Color.RESET);
+        sb.append(timestamp.toString() + " ");
 
         if(severity.toNumber() < 3 ) {
-            sb.append(Color.RED);
+            sb.append(Ansi.RED);
         } else if(severity.toNumber() < 5) {
-            sb.append(Color.YELLOW);
+            sb.append(Ansi.YELLOW);
         } else {
-            sb.append(Color.GREEN);
+            sb.append(Ansi.GREEN);
         }
-        sb.append("[" + facility + "." + severity + "]"); sb.append(Color.RESET);
+        sb.append("[" + facility + "." + severity + "]"); sb.append(Ansi.RESET);
 
-        sb.append(Color.BLUE); sb.append("\t" + hostname); sb.append(Color.RESET);
-        sb.append(Color.CYAN); sb.append("\t" + application); sb.append(Color.RESET);
-        sb.append("\t" + message);
+        sb.append(Ansi.BLUE); sb.append("\t" + hostname); sb.append(Ansi.RESET);
+        sb.append(Ansi.CYAN); sb.append("\t" + application); sb.append(Ansi.RESET);
+        sb.append("\t" + message); sb.append(Ansi.CLEAR_LINE);
 
         return sb.toString();
     }

src/test/groovy/biz/nellemann/syslogd/SyslogParserTest.groovy

@@ -18,7 +18,6 @@ class SyslogParserTest extends Specification {
         msg.message == "adfdfdf3432434565656"
     }
 
-
     void "test rfc3164 aix/vios message"() {
 
         setup: