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-rwxr-xr-xDemo/sockets/udpecho.py64
1 files changed, 0 insertions, 64 deletions
diff --git a/Demo/sockets/udpecho.py b/Demo/sockets/udpecho.py
deleted file mode 100755
index 9966fd8..0000000
--- a/Demo/sockets/udpecho.py
+++ /dev/null
@@ -1,64 +0,0 @@
-#! /usr/bin/env python
-
-# Client and server for udp (datagram) echo.
-#
-# Usage: udpecho -s [port] (to start a server)
-# or: udpecho -c host [port] <file (client)
-
-import sys
-from socket import *
-
-ECHO_PORT = 50000 + 7
-BUFSIZE = 1024
-
-def main():
- if len(sys.argv) < 2:
- usage()
- if sys.argv[1] == '-s':
- server()
- elif sys.argv[1] == '-c':
- client()
- else:
- usage()
-
-def usage():
- sys.stdout = sys.stderr
- print('Usage: udpecho -s [port] (server)')
- print('or: udpecho -c host [port] <file (client)')
- sys.exit(2)
-
-def server():
- if len(sys.argv) > 2:
- port = eval(sys.argv[2])
- else:
- port = ECHO_PORT
- s = socket(AF_INET, SOCK_DGRAM)
- s.bind(('', port))
- print('udp echo server ready')
- while 1:
- data, addr = s.recvfrom(BUFSIZE)
- print('server received %r from %r' % (data, addr))
- s.sendto(data, addr)
-
-def client():
- if len(sys.argv) < 3:
- usage()
- host = sys.argv[2]
- if len(sys.argv) > 3:
- port = eval(sys.argv[3])
- else:
- port = ECHO_PORT
- addr = host, port
- s = socket(AF_INET, SOCK_DGRAM)
- s.bind(('', 0))
- print('udp echo client ready, reading stdin')
- while 1:
- line = sys.stdin.readline()
- if not line:
- break
- print('addr = ', addr)
- s.sendto(bytes(line, 'ascii'), addr)
- data, fromaddr = s.recvfrom(BUFSIZE)
- print('client received %r from %r' % (data, fromaddr))
-
-main()