/
server.py
39 lines (38 loc) · 1 KB
/
server.py
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# Echo server program
import socket
import sys
import json
HOST = None # Symbolic name meaning all available interfaces
PORT = 50007 # Arbitrary non-privileged port
s = None
for res in socket.getaddrinfo(HOST, PORT, socket.AF_UNSPEC,
socket.SOCK_STREAM, 0, socket.AI_PASSIVE):
while True:
af, socktype, proto, canonname, sa = res
try:
s = socket.socket(af, socktype, proto)
except socket.error as msg:
s = None
continue
try:
s.bind(sa)
s.listen(1)
except socket.error as msg:
s.close()
s = None
continue
break
if s is None:
print 'could not open socket'
sys.exit(1)
conn, addr = s.accept()
print 'Connected by', addr
count = 0
while count < 20:
count += 1
data = conn.recv(1024)
if not data: continue
print "received :: ", data
if not data: break
conn.send(json.dumps(data))
conn.close()