編集履歴

質問編集履歴

内容の充実化

2021/06/29 06:07

投稿

akaevaka

スコア8

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@@ -15,37 +15,6 @@
 import java.io.*;
 public class Requester extends Worker {
-    public void requestGameData(GameData gameData){
-        try {
-            InetAddress addr = InetAddress.getByName("localhost");  // change for IPAddress
-            Socket socket = new Socket(addr, 8080);   // set port No.
-            ObjectInputStream objectInput = new ObjectInputStream(socket.getInputStream());
-            //set questions
-            Object object = objectInput.readObject();
-            gameData.setQstrings((ArrayList<String>) object);
-            //set waiting time
-            Object object2 = objectInput.readObject();
-            gameData.setTimeList((ArrayList<Long>) object2);
-            socket.close();
-        }catch (Exception e){
-            e.printStackTrace();
-        }
-    }
-    public void sendDifficulty(Player player){
-        try{
-            String mode = String.valueOf(player.getMode());
-            InetAddress addr = InetAddress.getByName("localhost");  // change for IP address
-            Socket socket = new Socket(addr, 8080);   //set port No.
-            PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);
-            out.println(mode);     //send mode
-            socket.close();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
     //send score to server, show ranking
     public void sendScore(Player player){
         try {
@@ -107,65 +76,10 @@
 import java.util.Map.Entry;
 import java.io.*;
-//EASY = 1;
-//HARD = 2;
 public class Responser{
     private static ArrayList<String> Qstring = new ArrayList<>();  //question
     private static ArrayList<Long> timeList = new ArrayList<>();      //waiting list
-    public int loadDifficulty() throws IOException{
-        ServerSocket s = new ServerSocket(8080); // make socket
-        Socket socket = s.accept();  // wait setting demand of connection
-        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
-        s.close();
-        return  Integer.parseInt(in.readLine());    //accept difficulty
-    }
-    //load Qstringsdata from arraylist to file
-    public void loadQstrings(String QuestionFilePath) throws FileNotFoundException {
-        Responser.Qstring.add("");
-        Scanner s = new Scanner(new File(QuestionFilePath));
-        Responser.Qstring.clear();
-        while (s.hasNext()){
-            Responser.Qstring.add(s.nextLine());
-        }
-        s.close();
-    }
-    //load timelist from arraylist to file
-    public void loadTimeList(String timeFilePath) throws FileNotFoundException {
-        Responser.timeList.add(0L);
-        Scanner s = new Scanner(new File(timeFilePath));
-        Responser.timeList.clear();
-        while (s.hasNext()){
-            Responser.timeList.add(s.nextLong());
-        }
-        s.close();
-    }
-    //send gamedata in response to client requests
-    public void sendGameData() throws IOException {
-        try {
-            ServerSocket s = new ServerSocket(8080); // make socket
-            Socket socket = s.accept();  //wait setting demand of connection
-            try {
-                ObjectOutputStream objectOutput = new ObjectOutputStream(socket.getOutputStream());
-                //send question
-                objectOutput.writeObject(Responser.Qstring);
-                //send timelist
-                objectOutput.writeObject(Responser.timeList);
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            s.close();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
     //accept score and register it to ranking
     public void updateRanking() throws IOException {
@@ -237,4 +151,96 @@
     }
 }
-```
+```
+###ClientMain
+```Java
+import java.io.*;
+import java.util.*;
+public class ClientMain {
+    public static void main(String[] args) throws InterruptedException{
+        Player player = new Player("", 0, 0);  //(name, score, mdoe)
+        GameData gameData = new GameData(player);
+        ClientSystem clientsystem = new ClientSystem();
+        Requester requester = new Requester();
+        clientsystem.opening();  //op
+        clientsystem.say("Choose difficulty from easy:1 or hard:2.");
+        clientsystem.say("Input the difficulty number.");
+        Scanner scan = new Scanner(System.in);
+        int difficulty = scan.nextInt();
+        player.setMode(difficulty);
+        requester.sendDifficulty(player);
+        clientsystem.say("send difficulty");
+        clientsystem.say("gamedata download...");
+        Thread.sleep(1000);
+        requester.requestGameData(gameData);  //download gamedata from server
+        clientsystem.say("Load Successes!");
+        Thread.sleep(2000);
+        clientsystem.startGame(gameData);  //gamestart
+        System.out.println();
+        clientsystem.say("Finish");
+        clientsystem.showScore(player);  //show score
+        clientsystem.say("Please input your name.");
+        String playerName = scan.nextLine();
+        scan.close();
+        player.setName(playerName);
+        requester.sendScore(player);
+        clientsystem.say("See you!");
+    }
+}
+```
+###実行本文
+```ここに言語を入力
+[Welcome to this TYPING GAME.]
+[When this system says something, uses [] like this message]
+[--rule--]
+[Type the message enclosed in {}.]
+[The next is a example.]
+Q.{ もんだいぶん }
+[if you misstype and enter without modifying, subtract your score.]
+[There are two difficulty levels]
+[Choose difficulty from easy:1 or hard:2.]
+[Input the difficulty number.]
+1
+[send difficulty]
+[gamedata download...]
+[Load Successes!]
+[Are you ready?]
+[START!]
+0
+[Finish]
+[Score: 0]
+[Please input your name.]
+--- Rank | Player | Score ---
+java.net.SocketException: Connection reset
+        すでに載せたので文字数の都合上割愛
+[See you!]
+PS C:\Users\Client>
+```
+###原因の推定
+名前の入力をまたずに
+--- Rank |
+というものが出力されてしまっているので，
+名前の入力をしようとしたときにupdateRankingがもう始まってしまっているのが原因だと考えられます．
+本来ならこのupdateはsendScoreを待たなければいけないのに先に終わらせてしまっているからこのような例がでたと考えております．
+updateRankingｇがしっかりと待機するようにするにはどうすればよいですか
+文字数の都合上，必要ないと判断した関数は省略しました

内容の充実化

2021/06/29 06:07

投稿

akaevaka

スコア8

title CHANGED Viewed

File without changes

body CHANGED Viewed

@@ -94,4 +94,147 @@
         at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
         at Requester.sendScore(Requester.java:55)
         at ClientMain.main(ClientMain.java:57)
+```
+###追記
+Server側
+updateRankingでスコアを受け取っています．
+```Java
+import java.net.*;
+import java.util.*;
+import java.util.Map.Entry;
+import java.io.*;
+//EASY = 1;
+//HARD = 2;
+public class Responser{
+    private static ArrayList<String> Qstring = new ArrayList<>();  //question
+    private static ArrayList<Long> timeList = new ArrayList<>();      //waiting list
+    public int loadDifficulty() throws IOException{
+        ServerSocket s = new ServerSocket(8080); // make socket
+        Socket socket = s.accept();  // wait setting demand of connection
+        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+        s.close();
+        return  Integer.parseInt(in.readLine());    //accept difficulty
+    }
+    //load Qstringsdata from arraylist to file
+    public void loadQstrings(String QuestionFilePath) throws FileNotFoundException {
+        Responser.Qstring.add("");
+        Scanner s = new Scanner(new File(QuestionFilePath));
+        Responser.Qstring.clear();
+        while (s.hasNext()){
+            Responser.Qstring.add(s.nextLine());
+        }
+        s.close();
+    }
+    //load timelist from arraylist to file
+    public void loadTimeList(String timeFilePath) throws FileNotFoundException {
+        Responser.timeList.add(0L);
+        Scanner s = new Scanner(new File(timeFilePath));
+        Responser.timeList.clear();
+        while (s.hasNext()){
+            Responser.timeList.add(s.nextLong());
+        }
+        s.close();
+    }
+    //send gamedata in response to client requests
+    public void sendGameData() throws IOException {
+        try {
+            ServerSocket s = new ServerSocket(8080); // make socket
+            Socket socket = s.accept();  //wait setting demand of connection
+            try {
+                ObjectOutputStream objectOutput = new ObjectOutputStream(socket.getOutputStream());
+                //send question
+                objectOutput.writeObject(Responser.Qstring);
+                //send timelist
+                objectOutput.writeObject(Responser.timeList);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            s.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    //accept score and register it to ranking
+    public void updateRanking() throws IOException {
+        ServerSocket s = new ServerSocket(8080); // make socket
+        Socket socket = s.accept();  // wait setting demand of connection
+        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+        String p_name = in.readLine();    //accept name
+        String p_score = in.readLine();   //accept score
+        int p_mode = Integer.parseInt(in.readLine());    //accept mode
+        String rankingFilePath;
+        if(p_mode == 1)    rankingFilePath = "data/ranking/easyranking.txt";
+        else               rankingFilePath = "data/ranking/hardranking.txt";
+        //key=ID, value=score
+        Map<Integer,Integer> scores = new HashMap<Integer,Integer>();
+        ArrayList<String> playerNameList = new ArrayList<String>();
+        Scanner s2 = new Scanner(new File(rankingFilePath));
+        int count = 1;
+        int id = -1, score = -1;
+        String name = "";
+        while (s2.hasNext()){
+            if(count % 3 == 1){
+                id = Integer.parseInt(s2.next());
+            }else if(count % 3 == 2){
+                score = Integer.parseInt(s2.next());
+            }else{
+                name = s2.next();
+                scores.put(id,score);
+                playerNameList.add(name);
+            }
+            count++;
+        }
+        try{
+            int nextId = playerNameList.size()+1;
+            File file = new File(rankingFilePath);
+            FileWriter filewriter = new FileWriter(file, true);
+            filewriter.write(nextId + " " + p_score + " " + p_name + "\n");
+            filewriter.close();
+            scores.put(nextId, Integer.parseInt(p_score));
+            playerNameList.add(p_name);
+        }catch(IOException e){
+            System.out.println(e);
+        }
+        // make entry list of scorelist
+        List<Entry<Integer, Integer>> list_entries = new ArrayList<Entry<Integer, Integer>>(scores.entrySet());
+        //sort scorelist
+        Collections.sort(list_entries, new Comparator<Entry<Integer, Integer>>() {
+            public int compare(Entry<Integer, Integer> obj1, Entry<Integer, Integer> obj2) {
+                return obj2.getValue().compareTo(obj1.getValue());
+            }
+        });
+        PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);  //setting of sending buffer
+        //send ranking data to client
+        String[] ordinalNumber = {"1st", "2nd", "3rd", "4th", "5th"};
+        out.println("--- Rank | Player | Score ---");
+        for(int i=0; i<5; i++){
+            out.println(ordinalNumber[i] + ", "  + playerNameList.get(list_entries.get(i).getKey()-1) + ", " + list_entries.get(i).getValue());
+        }
+        s.close();
+    }
+}
 ```