Python: UDP Multicast - Revision history

Onnowpurbo at 22:35, 6 May 2014

2014-05-06T22:35:20Z

Onnowpurbo at 22:34, 6 May 2014

2014-05-06T22:34:10Z

Onnowpurbo: New page: Transmitter import socket MCAST_GRP = '224.1.1.1' MCAST_PORT = 5007 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) sock.setsockopt(socket.IPPROTO_IP,...

2014-05-06T22:32:08Z

New page: Transmitter import socket MCAST_GRP = '224.1.1.1' MCAST_PORT = 5007 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) sock.setsockopt(socket.IPPROTO_IP,...

New page

Transmitter

import socket

MCAST_GRP = '224.1.1.1'
MCAST_PORT = 5007

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
sock.sendto("robot", (MCAST_GRP, MCAST_PORT))

Receiver

import socket
import struct

MCAST_GRP = '224.1.1.1'
MCAST_PORT = 5007

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(('', MCAST_PORT))
mreq = struct.pack("4sl", socket.inet_aton(MCAST_GRP), socket.INADDR_ANY)

sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)

while True:
print sock.recv(10240)

==Referensi==

* http://stackoverflow.com/questions/603852/multicast-in-python
* https://wiki.python.org/moin/UdpCommunication

@@ Line 14: / Line 14: @@
   sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
-  sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
+  sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 10)
   sock.sendto("robot", (MCAST_GRP, MCAST_PORT))

@@ Line 1: / Line 1: @@
-Transmitter
+Tambahkan routing
   import socket
@@ Line 11: / Line 18: @@
-Receiver
+Script Receiver
   import socket