[英]Python server only receives one character from Java client?
我正在尝试实现一个简单的Python服务器以与一些简单的Java客户端代码进行通信,但是却出现了一些奇怪的行为。 我正在运行Mac OSX 10.7.2。
客户代码:
import java.io.*;
import java.net.*;
public class JavaClient {
public static void main(String argv[]) throws Exception {
String sentence;
String modifiedSentence;
BufferedReader inFromUser = new BufferedReader( new InputStreamReader(System.in));
Socket clientSocket = new Socket("localhost", 9999);
DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
sentence = inFromUser.readLine() + '\n';
outToServer.writeBytes(sentence);
modifiedSentence = inFromServer.readLine();
System.out.println("FROM SERVER: " + modifiedSentence);
clientSocket.close();
}
}
服务器代码:
import SocketServer
class PythonServer(SocketServer.BaseRequestHandler):
def handle(self):
# self.request is the TCP socket connected to the client
self.data = self.request.recv(1024).strip()
print "{} wrote:".format(self.client_address[0])
print self.data
# just send back the same data, but upper-cased
self.request.sendall(self.data.upper())
if __name__ == "__main__":
HOST, PORT = "localhost", 9999
# Create the server, binding to localhost on port 9999
server = SocketServer.TCPServer((HOST, PORT), MyTCPHandler)
# Activate the server; this will keep running until you
# interrupt the program with Ctrl-C
server.serve_forever()
奇怪的是,我第一次实例化服务器并从Java客户端发送请求时,一切都按预期进行:
Java控制台:
test
FROM SERVER: TEST
命令行:
127.0.0.1 wrote:
test
但是随后的请求导致:
Java控制台:
test
FROM SERVER: T
命令行:
127.0.0.1 wrote:
t
因此,尽管我的客户认为它正在发送整个消息,但看起来我的服务器仅接收到消息的第一个字符。
为了进一步使事情复杂化,我创建了一个Java服务器和Python客户端,并且Java客户端/服务器组合和Python客户端/服务器组合没有这个问题,但是Python客户端/ Java服务器却没有。
有任何想法吗?
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