我在Java中创建了一个TCP服务器,在Ruby中创建了一个TCP客户端。问题是我无法在同一连接中发送超过1条消息,只发送第一条消息而另一条消息未发送。
这是Java代码
package com.roun512.tcpserver;
import java.io.*;
import java.net.*;
public class Program {
/**
* @param args
*/
public static void main(String[] args) throws Exception {
String clientSentence;
String capitalizedSentence;
ServerSocket Socket = new ServerSocket(6789);
while(true)
{
Socket connection = Socket.accept();
BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connection.getInputStream()));
DataOutputStream outToClient = new DataOutputStream(connection.getOutputStream());
clientSentence = inFromClient.readLine();
System.out.println(clientSentence);
capitalizedSentence = clientSentence + '\n';
outToClient.writeBytes(capitalizedSentence);
System.out.println("Sent msg");
}
}
}
这是客户端代码
Client.rb
require 'socket'
class Client
def initialize()
server = TCPSocket.open("127.0.0.1", 6789)
if server.nil?
puts "error"
else
puts "connected"
end
server.puts("Hello\r\n")
sleep 2
server.puts("There\r\n")
server.close
end
end
Client.new()
我只收到Hello
。我尝试了许多其他方法,但都没有。
所以我的问题是如何在一个连接中发送超过1条消息,任何帮助将不胜感激:)
提前致谢!
答案 0 :(得分:4)
Socket.accept()
在读完第一行后等待新连接。
请尝试以下方法:
public static void main(String[] args) throws Exception {
String clientSentence;
String capitalizedSentence;
ServerSocket Socket = new ServerSocket(6789);
while (true)
{
Socket connection = Socket.accept();
while(true)
{
BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connection.getInputStream()));
DataOutputStream outToClient = new DataOutputStream(connection.getOutputStream());
clientSentence = inFromClient.readLine();
System.out.println(clientSentence);
capitalizedSentence = clientSentence + '\n';
outToClient.writeBytes(capitalizedSentence);
System.out.println("Sent msg");
}
}
}
如果有效,请将while (true)
更改为某个有意义的条件,并且在完成工作后不要关闭连接。