--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Demo/threads/telnet.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,114 @@
+# Minimal interface to the Internet telnet protocol.
+#
+# *** modified to use threads ***
+#
+# It refuses all telnet options and does not recognize any of the other
+# telnet commands, but can still be used to connect in line-by-line mode.
+# It's also useful to play with a number of other services,
+# like time, finger, smtp and even ftp.
+#
+# Usage: telnet host [port]
+#
+# The port may be a service name or a decimal port number;
+# it defaults to 'telnet'.
+
+
+import sys, os, time
+from socket import *
+import thread
+
+BUFSIZE = 8*1024
+
+# Telnet protocol characters
+
+IAC = chr(255) # Interpret as command
+DONT = chr(254)
+DO = chr(253)
+WONT = chr(252)
+WILL = chr(251)
+
+def main():
+ if len(sys.argv) < 2:
+ sys.stderr.write('usage: telnet hostname [port]\n')
+ sys.exit(2)
+ host = sys.argv[1]
+ try:
+ hostaddr = gethostbyname(host)
+ except error:
+ sys.stderr.write(sys.argv[1] + ': bad host name\n')
+ sys.exit(2)
+ #
+ if len(sys.argv) > 2:
+ servname = sys.argv[2]
+ else:
+ servname = 'telnet'
+ #
+ if '0' <= servname[:1] <= '9':
+ port = eval(servname)
+ else:
+ try:
+ port = getservbyname(servname, 'tcp')
+ except error:
+ sys.stderr.write(servname + ': bad tcp service name\n')
+ sys.exit(2)
+ #
+ s = socket(AF_INET, SOCK_STREAM)
+ #
+ try:
+ s.connect((host, port))
+ except error, msg:
+ sys.stderr.write('connect failed: %r\n' % (msg,))
+ sys.exit(1)
+ #
+ thread.start_new(child, (s,))
+ parent(s)
+
+def parent(s):
+ # read socket, write stdout
+ iac = 0 # Interpret next char as command
+ opt = '' # Interpret next char as option
+ while 1:
+ data, dummy = s.recvfrom(BUFSIZE)
+ if not data:
+ # EOF -- exit
+ sys.stderr.write( '(Closed by remote host)\n')
+ sys.exit(1)
+ cleandata = ''
+ for c in data:
+ if opt:
+ print ord(c)
+## print '(replying: %r)' % (opt+c,)
+ s.send(opt + c)
+ opt = ''
+ elif iac:
+ iac = 0
+ if c == IAC:
+ cleandata = cleandata + c
+ elif c in (DO, DONT):
+ if c == DO: print '(DO)',
+ else: print '(DONT)',
+ opt = IAC + WONT
+ elif c in (WILL, WONT):
+ if c == WILL: print '(WILL)',
+ else: print '(WONT)',
+ opt = IAC + DONT
+ else:
+ print '(command)', ord(c)
+ elif c == IAC:
+ iac = 1
+ print '(IAC)',
+ else:
+ cleandata = cleandata + c
+ sys.stdout.write(cleandata)
+ sys.stdout.flush()
+## print 'Out:', repr(cleandata)
+
+def child(s):
+ # read stdin, write socket
+ while 1:
+ line = sys.stdin.readline()
+## print 'Got:', repr(line)
+ if not line: break
+ s.send(line)
+
+main()