Mercurial > hg > Applications > AliceVNC
view src/main/java/jp/ac/u_ryukyu/alicevnc/ReceiveChangeRequest.java @ 30:d8c6a4c7f16e
change algotherm
author | sugi |
---|---|
date | Sat, 08 Nov 2014 21:00:49 +0900 |
parents | 0f964a1ec846 |
children | 556e27a53219 |
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package jp.ac.u_ryukyu.alicevnc; import java.util.List; import com.glavsoft.viewer.Viewer; import jp.ac.u_ryukyu.alicevnc.ChangeRequestMessage.MessageType; import alice.codesegment.CodeSegment; import alice.datasegment.CommandType; import alice.datasegment.Receiver; public class ReceiveChangeRequest extends CodeSegment { private Receiver info = ids.create(CommandType.TAKE); private Receiver info1 = ids.create(CommandType.PEEK); // connection list public ReceiveChangeRequest() { info.setKey("changeRequest"); info1.setKey("_CLIST"); } @Override public void run() { ChangeRequestMessage order = info.asClass(ChangeRequestMessage.class); @SuppressWarnings("unchecked") List<String> clist = info1.asClass(List.class); if (order.messageID == MessageType.ChangeRequest.getId()|| order.messageID == MessageType.CurrentVNCInfo.getId()) { if (clist.contains("parent")){ order.route.add(info.from); ods.put("parent", "changeRequest", order); new ReceiveChangeRequest(); } else { // this node is root. order.route.add(info.from); if (order.messageID == MessageType.CurrentVNCInfo.getId()) { ods.put("currentServer", order); new ReceiveChangeRequest(); } else { System.out.println("coming Server change request from "+ order.name+" "+order.route.size()); new CheckCurrentInfo(order); // check change Server flag. } } } else if (order.messageID == MessageType.StartNegotiate.getId()|| order.messageID == MessageType.StopProxy.getId()) { if (order.route.size() == 0) { if (order.messageID == MessageType.StartNegotiate.getId()){ // this node send ChangeVNCRequest System.out.println("coming StartNegotiate from "+ order.name); // negotiate VNCServer by Viewer ods.put("vncRight", true); new NegotiateVNCServer(); new ReceiveChangeRequest(); } else { new StopProxy(); } } else { int last = order.route.size() - 1; String address = order.route.get(last); order.route.remove(last); ods.put(address, "changeRequest", order); new ReceiveChangeRequest(); } } } }