Hi everybody,
I'm trying to replicate the positive results of the Client/Server
scripts from the thread "Bidirectional Networking", but this time
using a Process/SubProcess architecture.
The SubProcess, acting as a server, is working just fine. But the
Process executing the SubProcess, the client, somehow doesn't hear any
of the standard output from the SubProcess. What am I missing?
Below you can find the two short pieces of code. Thanks for your help!
Manu
-------------------------------------------
# serverTest.py
import sys
print("Starting Server!")
while True:
data = sys.stdin.readline().strip()
if(data):
print("SERVER RECV: '" + data + "'")
if(data == "Stop!"):
break
print("Server Stopped!")
-------------------------------------------
#clientTest.py
import sys
import threading
from time import sleep
from subprocess import Popen, PIPE
## Server Thread
class ListenerThread(threading.Thread):
def __init__(self, inChannel):
threading.Thread.__init__(self)
self.inChannel = inChannel
def run(self):
while True:
data = self.inChannel.readline().strip()
print("serverTest.py says: " + data)
print("Starting Client!")
server = Popen("python serverTest.py", stdin=PIPE, stdout=PIPE)
listenerThread = ListenerThread(server.stdout)
listenerThread.setDaemon(True)
listenerThread.start()
server.stdin.write("Something very meaningful!\n")
server.stdin.write("Stop!")
print("Client Stopped!")
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