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SocketIOPropertites.java
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120 lines (100 loc) · 4.28 KB
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package com.zs.system.io;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
/**
* @author: 马士兵教育
* @create: 2020-05-17 05:34
* BIO 多线程的方式
*/
public class SocketIOPropertites {
//server socket listen property:
private static final int RECEIVE_BUFFER = 10;
private static final int SO_TIMEOUT = 0;
private static final boolean REUSE_ADDR = false;
private static final int BACK_LOG = 2;
//client socket listen property on server endpoint:
private static final boolean CLI_KEEPALIVE = false;//是否要配置长链接
private static final boolean CLI_OOB = false;//是否优先发一个字符试探一下
private static final int CLI_REC_BUF = 20;
private static final boolean CLI_REUSE_ADDR = false;
private static final int CLI_SEND_BUF = 20;
private static final boolean CLI_LINGER = true;
private static final int CLI_LINGER_N = 0;
private static final int CLI_TIMEOUT = 0;//读取超时时间，比如：我只读取三秒，超过三秒了，我就不等了
private static final boolean CLI_NO_DELAY = false;
/*
StandardSocketOptions.TCP_NODELAY
StandardSocketOptions.SO_KEEPALIVE
StandardSocketOptions.SO_LINGER
StandardSocketOptions.SO_RCVBUF
StandardSocketOptions.SO_SNDBUF
StandardSocketOptions.SO_REUSEADDR
*/
public static void main(String[] args) {
ServerSocket server = null;
try {
server = new ServerSocket();
server.bind(new InetSocketAddress(9090), BACK_LOG);
server.setReceiveBufferSize(RECEIVE_BUFFER);
server.setReuseAddress(REUSE_ADDR);
server.setSoTimeout(SO_TIMEOUT);
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("server up use 9090!");
try {
while (true) {
// System.in.read(); //分水岭：
Socket client = server.accept(); //阻塞的，没有 -1 一直卡着不动 accept(4,
System.out.println("client port: " + client.getPort());
client.setKeepAlive(CLI_KEEPALIVE);
client.setOOBInline(CLI_OOB);
client.setReceiveBufferSize(CLI_REC_BUF);
client.setReuseAddress(CLI_REUSE_ADDR);
client.setSendBufferSize(CLI_SEND_BUF);
client.setSoLinger(CLI_LINGER, CLI_LINGER_N);
client.setSoTimeout(CLI_TIMEOUT);
client.setTcpNoDelay(CLI_NO_DELAY);
//client.read //阻塞 没有 -1 0
new Thread(
() -> {
try {
InputStream in = client.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
char[] data = new char[1024];
while (true) {
int num = reader.read(data);
if (num > 0) {
System.out.println("client read some data is :" + num + " val :" + new String(data, 0, num));
} else if (num == 0) {
System.out.println("client readed nothing!");
continue;
} else {
System.out.println("client readed -1...");
System.in.read();
client.close();
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
).start();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
server.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}