diff options
| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
| commit | 4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2 (patch) | |
| tree | 2d17d2388a78082e32f6a97120d707328143543b /AppPkg/Applications/Python/Python-2.7.2/Demo/sockets/mcast.py | |
| parent | cbc6b5e54599c7391ece99ad3c5313f4dd4ddda6 (diff) | |
| download | edk2-platforms-4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2.tar.xz | |
AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution.
Signed-off-by: daryl.mcdaniel@intel.com
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Demo/sockets/mcast.py')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Demo/sockets/mcast.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Demo/sockets/mcast.py b/AppPkg/Applications/Python/Python-2.7.2/Demo/sockets/mcast.py new file mode 100644 index 0000000000..55d405eec0 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Demo/sockets/mcast.py @@ -0,0 +1,80 @@ +#!/usr/bin/env python
+#
+# Send/receive UDP multicast packets.
+# Requires that your OS kernel supports IP multicast.
+#
+# Usage:
+# mcast -s (sender, IPv4)
+# mcast -s -6 (sender, IPv6)
+# mcast (receivers, IPv4)
+# mcast -6 (receivers, IPv6)
+
+MYPORT = 8123
+MYGROUP_4 = '225.0.0.250'
+MYGROUP_6 = 'ff15:7079:7468:6f6e:6465:6d6f:6d63:6173'
+MYTTL = 1 # Increase to reach other networks
+
+import time
+import struct
+import socket
+import sys
+
+def main():
+ group = MYGROUP_6 if "-6" in sys.argv[1:] else MYGROUP_4
+
+ if "-s" in sys.argv[1:]:
+ sender(group)
+ else:
+ receiver(group)
+
+
+def sender(group):
+ addrinfo = socket.getaddrinfo(group, None)[0]
+
+ s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
+
+ # Set Time-to-live (optional)
+ ttl_bin = struct.pack('@i', MYTTL)
+ if addrinfo[0] == socket.AF_INET: # IPv4
+ s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl_bin)
+ else:
+ s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, ttl_bin)
+
+ while True:
+ data = repr(time.time())
+ s.sendto(data + '\0', (addrinfo[4][0], MYPORT))
+ time.sleep(1)
+
+
+def receiver(group):
+ # Look up multicast group address in name server and find out IP version
+ addrinfo = socket.getaddrinfo(group, None)[0]
+
+ # Create a socket
+ s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
+
+ # Allow multiple copies of this program on one machine
+ # (not strictly needed)
+ s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+ # Bind it to the port
+ s.bind(('', MYPORT))
+
+ group_bin = socket.inet_pton(addrinfo[0], addrinfo[4][0])
+ # Join group
+ if addrinfo[0] == socket.AF_INET: # IPv4
+ mreq = group_bin + struct.pack('=I', socket.INADDR_ANY)
+ s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
+ else:
+ mreq = group_bin + struct.pack('@I', 0)
+ s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
+
+ # Loop, printing any data we receive
+ while True:
+ data, sender = s.recvfrom(1500)
+ while data[-1:] == '\0': data = data[:-1] # Strip trailing \0's
+ print (str(sender) + ' ' + repr(data))
+
+
+if __name__ == '__main__':
+ main()
|