package com.test.server;

import java.io.IOException;
import java.net.ServerSocket; import org.apache.log4j.Logger; public class Server{ private static final Logger logger = Logger.getLogger(Server.class); public static ServerSocket server = null; static{
try {
server = new ServerSocket(5678);
} catch (IOException e) {
logger.error("Server set up error: ", e);
}
} public static void stop(){
if(server != null){
try {
server.close();
} catch (IOException e) {
logger.error("Server close error: ", e);
}
}
} public static void main(String[] args) {
Server.stop();
} }
package com.test.server;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket; import org.apache.log4j.Logger; public class ServerThread implements Runnable { private static final Logger logger = Logger.getLogger(ServerThread.class); private Socket socket; public ServerThread(Socket socket) {
this.socket = socket;
} @Override
public void run() {
// String line;
BufferedReader is = null;
Writer writer = null;
if (socket == null) {
logger.error("Server down!");
return;
}
StringBuilder sb = new StringBuilder();
try {
is = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String temp;
int index;
temp = is.readLine();
System.out.println("line is: "+ temp);
while (temp != null) {
System.out.println(temp);
if ((index = temp.indexOf("eof")) != -1) {// 遇到eof时就结束接收
sb.append(temp.substring(0, index));
break;
}
sb.append(temp);
temp = is.readLine();
}
// logger.info(sb.toString());
System.out.println(sb.toString());
writer = new OutputStreamWriter(socket.getOutputStream());
writer.write("Hello Client.");
writer.write("eof\n");
writer.flush();
} catch (IOException e) {
logger.error("Read information error: ", e);
} finally {
try {
if (is != null) {
is.close();
}
if (writer != null) {
writer.close();
}
if (socket != null) {
socket.close();
}
} catch (IOException e) {
logger.error("Close the IO session error: ", e);
} }
} }
package com.test.server;

import java.io.IOException;
import java.net.Socket; import org.apache.log4j.Logger; public class SocketServer { private static final Logger logger = Logger.getLogger(SocketServer.class); public void connect() {
try {
while (true) {
Socket socket = Server.server.accept();
// socket.getRemoteSocketAddress();
new Thread(new ServerThread(socket)).start();
}
} catch (IOException e) {
logger.error("Server set up error: ", e);
} } public static void main(String[] args) {
SocketServer ss = new SocketServer();
ss.connect();
} }
package com.test.client;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket;
import java.net.UnknownHostException; import org.apache.log4j.Logger; public class SocketClient { private static final Logger logger = Logger.getLogger(SocketClient.class); public void client() {
Socket client = null;
BufferedReader is = null;
Writer writer = null;
try {
client = new Socket("172.16.13.41", 5678); writer = new OutputStreamWriter(client.getOutputStream());
writer.write("Hello Server.");
writer.write("eof\n");
writer.flush(); is = new BufferedReader(new InputStreamReader(client.getInputStream()));
StringBuffer sb = new StringBuffer();
String temp;
int index;
while ((temp = is.readLine()) != null) {
if ((index = temp.indexOf("eof")) != -1) {
sb.append(temp.substring(0, index));
break;
}
sb.append(temp);
}
// logger.info(sb.toString());
System.out.println(sb.toString());
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (is != null) {
is.close();
}
if (writer != null) {
writer.close();
}
if (client != null) {
client.close();
}
} catch (IOException e) {
logger.error("Close the IO session error: ", e);
}
} } public static void main(String[] args) {
SocketClient sc = new SocketClient();
sc.client();
} }

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