1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
# test asynchat -- requires threading
import thread # If this fails, we can't test this module
import asyncore, asynchat, socket, threading, time
HOST = "127.0.0.1"
PORT = 54321
class echo_server(threading.Thread):
def run(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind((HOST, PORT))
sock.listen(1)
conn, client = sock.accept()
buffer = ""
while "\n" not in buffer:
data = conn.recv(10)
if not data:
break
buffer = buffer + data
while buffer:
n = conn.send(buffer)
buffer = buffer[n:]
conn.close()
sock.close()
class echo_client(asynchat.async_chat):
def __init__(self):
asynchat.async_chat.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.connect((HOST, PORT))
self.set_terminator("\n")
self.buffer = ""
def handle_connect(self):
print "Connected"
def collect_incoming_data(self, data):
self.buffer = self.buffer + data
def found_terminator(self):
print "Received:", repr(self.buffer)
self.buffer = ""
self.close()
def main():
s = echo_server()
s.start()
time.sleep(1) # Give server time to initialize
c = echo_client()
c.push("hello ")
c.push("world\n")
asyncore.loop()
main()
|
