--- a/rep/SessionManager.java	Tue Dec 11 09:01:06 2007 +0900
+++ b/rep/SessionManager.java	Tue Dec 11 11:55:23 2007 +0900
@@ -37,6 +37,7 @@
 	private String myHost;
 	private boolean isMaster = true;
 	private EditorList  allEditorList;
+	private String maxHost;
 	//private boolean addressIsGlobal;
 	//private SocketChannel sessionchannel;
 	//private boolean co;
@@ -121,6 +122,8 @@
 		Editor editor;
 		Session session;
 		REPCommand sendCommand = receivedCommand.clone();
+		REPPacketSend send = new REPPacketSend(channel);
+		//SessionXMLEncoder encoder = new SessionXMLEncoder();
 		
 		switch(receivedCommand.cmd){
 		
@@ -160,10 +163,10 @@
 			editor.send(receivedCommand);
 			
 			//if(isMaster){
-			SessionXMLEncoder encoder = new SessionXMLEncoder(session);
+			SessionXMLEncoder sessionEncoder = new SessionXMLEncoder(session);
 			REPCommand command = new REPCommand();
 			command.setSID(session.getSID());
-			command.setString(encoder.sessionListToXML());
+			command.setString(sessionEncoder.sessionListToXML());
 			if(isMaster){
 				command.setCMD(REP.SMCMD_UPDATE_ACK);
 				smList.sendToSlave(command);
@@ -183,7 +186,7 @@
 			if(session.isOwner()){
 				int eid = session.addEditor(editor);
 				editor.setEID(eid);
-				REPPacketSend send = new REPPacketSend(channel);
+				//REPPacketSend send = new REPPacketSend(channel);
 				receivedCommand.setCMD(REP.SMCMD_SELECT_ACK);
 				receivedCommand.setEID(eid);
 				send.send(receivedCommand);
@@ -204,20 +207,39 @@
 			break;
 			
 		case REP.SMCMD_SM_JOIN:
+			
+			//XMLからSessionListオブジェクトを生成する。
 			SessionXMLDecoder decoder = new SessionXMLDecoder();
 			SessionList sl = decoder.decode(receivedCommand.string);
+			
+			//myHost を設定。
 			if(myHost == null) setMyHostName(getLocalHostName(channel));
+			
+			//host の size を比較。myHost が小さければ自分はslaveになる。
+			//maxHost を大きい方に変更する。
 			if(myHost.compareTo(sl.getHost()) < 0){
 				setMaster(false, channel);
+				setMaxHost(sl.getHost());
 			}
 			
+			//SessionListからXMLを生成。
+			//joinしてきたSessionManagerに対してACKを送信。
+			SessionXMLEncoder sessionlistEncoder = new SessionXMLEncoder(sessionlist);
+			sendCommand = new REPCommand();
+			sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
+			sendCommand.setString(sessionlistEncoder.sessionListToXML());
+			send.send(sendCommand);
+			
+			//その他のSessionManagerに対してSMCMD_SM_JOINを送信。
+			sendCommand = new REPCommand();
+			sendCommand.setCMD(REP.SMCMD_SM_JOIN);
+			sendCommand.setString(receivedCommand.string);
+			smList.sendExcept(channel, sendCommand);
+			
 			if(isMaster){
-				smList.add(channel);
-				sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
-				smList.sendSessionList(sessionlist, sendCommand);
 			}else {
-				
 			}
+			
 			break;
 			
 		case REP.SMCMD_SM_JOIN_ACK:
@@ -277,6 +299,10 @@
 		}
 	}
 	
+	private void setMaxHost(String host) {
+		maxHost = host;
+	}
+
 	private void setMyHostName(String localHostName) {
 		myHost = localHostName;
 		sessionlist.setHost(myHost);