allow skip bind telnet port or http port. fix #284

core/src/main/java/com/taobao/arthas/core/server/ArthasBootstrap.java

@@ -85,10 +85,18 @@ public class ArthasBootstrap {
             List<CommandResolver> resolvers = new ArrayList<CommandResolver>();
             resolvers.add(builtinCommands);
             // TODO: discover user provided command resolver
-            shellServer.registerTermServer(new TelnetTermServer(
-                    configure.getIp(), configure.getTelnetPort(), options.getConnectionTimeout()));
-            shellServer.registerTermServer(new HttpTermServer(
-                    configure.getIp(), configure.getHttpPort(), options.getConnectionTimeout()));
+            if (configure.getTelnetPort() > 0) {
+                shellServer.registerTermServer(new TelnetTermServer(configure.getIp(), configure.getTelnetPort(),
+                                options.getConnectionTimeout()));
+            } else {
+                logger.info("telnet port is {}, skip bind telnet server.", configure.getTelnetPort());
+            }
+            if (configure.getHttpPort() > 0) {
+                shellServer.registerTermServer(new HttpTermServer(configure.getIp(), configure.getHttpPort(),
+                                options.getConnectionTimeout()));
+            } else {
+                logger.info("http port is {}, skip bind http server.", configure.getHttpPort());
+            }
 
             for (CommandResolver resolver : resolvers) {
                 shellServer.registerCommandResolver(resolver);