diff options
Diffstat (limited to 'Demo/sockets/mcast.py')
| -rwxr-xr-x | Demo/sockets/mcast.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Demo/sockets/mcast.py b/Demo/sockets/mcast.py index fe4aacb..cc7a7e0 100755 --- a/Demo/sockets/mcast.py +++ b/Demo/sockets/mcast.py @@ -59,7 +59,7 @@ def receiver(): # Open a UDP socket, bind it to a port and select a multicast group def openmcastsock(group, port): # Import modules used only here - import regsub + import string import struct # # Create a socket @@ -77,13 +77,13 @@ def openmcastsock(group, port): group = gethostbyname(group) # # Construct binary group address - bytes = eval(regsub.gsub('\.', ',', group)) + bytes = map(int, string.split(group, ".")) grpaddr = 0 for byte in bytes: grpaddr = (grpaddr << 8) | byte # # Construct struct mreq from grpaddr and ifaddr ifaddr = INADDR_ANY - mreq = struct.pack('ll', grpaddr, ifaddr) + mreq = struct.pack('ll', htonl(grpaddr), htonl(ifaddr)) # # Add group membership s.setsockopt(IPPROTO_IP, IP_ADD_MEMBERSHIP, mreq) |