サーバ
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class WordManageServer {
private static final int PORT = 8888;
public static void main(String[] args) {
ServerSocket serverSocket = null;
Socket socket = null;
try {
// サーバーソケットの生成
serverSocket = new ServerSocket(PORT);
for (;;) {
System.out.println("wait request.");
socket = serverSocket.accept();
System.out.println("accept [" + socket.getInetAddress() + "]");
// スレッド起動
new WordManagerThread(socket);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
serverSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
class WordManagerThread extends Thread {
private Socket socket = null;
public WordManagerThread(Socket socket) {
this.socket = socket;
this.start();
}
public void run() {
PrintWriter out = null;
BufferedReader in = null;
try {
// 出力ストリームを取得
out = new PrintWriter(socket.getOutputStream(), true);
InputStream inputStream = socket.getInputStream();
byte[] func = new byte[4];
byte[] dt = new byte[4];
inputStream.read(func);
int val1 = ((func[3] & 0xff) << 24) | ((func[2] & 0xff) << 16)
| ((func[1] & 0xff) << 8) | (func[0] & 0xff);
inputStream.read(dt);
int val2 = ((dt[3] & 0xff) << 24) | ((dt[2] & 0xff) << 16)
| ((dt[1] & 0xff) << 8) | (dt[0] & 0xff);
System.out.println(val1);
System.out.println(val2);
} catch (IOException e) {
e.printStackTrace();
} finally {
close(socket, out, in);
}
}
/**
* @param socket
* @param out
* @param in
*/
private static void close(Socket socket, PrintWriter out, BufferedReader in) {
if (out != null) {
out.close();
}
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
クライアント
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
public class TestClient {
public static void main(String[] args) {
try {
Socket socket = new Socket("localhost", 8888);
BufferedReader in = new BufferedReader(new InputStreamReader(socket
.getInputStream()));
OutputStream os = socket.getOutputStream();
os.write((int)2);
os.write((int)3);
os.flush();
System.out.println(in.readLine());
// 入出力ストリームを閉じる
os.close();
in.close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
