TechieInsights wrote:
I am having problems with a socket connection to a Java server. In
java I just open the socket, pass the length and then pass the bits
across the socket.
I created a socket object:
import socket
class MySocket:
def __init__(self, host='localhost', port = 28192, buffsize = 1024):
socket.setdefaulttimeout(10)
self.host = host
self.port = port
self.buffsize = buffsize
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.connect((host, port))
def send(self, data):
self.socket.send(data)
I recommend sendall() instead of send():
self.socket.sendall(data)
send() doesn't guarantee to send all the data, so multiple sends might
be needed to send it all. sendall() does that for you.
def receive(self):
return self.socket.recv(self.buffsize)
def sendAndReceive(self, data):
self.send(data)
return self.receive()
def close(self):
self.socket.close()
But the java server gives the error:
WARNING: <Incoming> Message length invalid. Discarding
The data is of type string (xml). Am I doing something wrong? I know
you have to reverse the bits when communicating from C++ to Java.
Could this be the problem? I figured it would not because it said the
length was invalid. I just started looking at python sockets
tonight... and I don't have a real deep base with socket connections
as it is... any help would be greatly appreciated.
Greg
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