Thank you for comments, Mr Shuoling Deng and Mr Yi Tseng.
>> it looks like parse every PAKCET-IN ?
would this cause heavy load to Controller.
As you pointed out, this application parses all PACKET-IN to handle DHCP
Packet.
Bit this is a "simple" dhcp server.
So this application shoud be used in a small network.
And you shoud set enough flowentries to avoid PACKET-IN.
>> dhcp_packet = pkt.get_protocol(dhcp.dhcp)
At first I tried.
But, DHCP Packet is parsed into buf[msg._MIN_LEN:total_length] in
ryu.lib.packet.udp.
Not DHCP Class.
So, it did not work.
Best regards.
On 2015/10/07 17:48, Yi Tseng wrote:
Hello
Maybe you can try
dhcp_packet = pkt.get_protocol(dhcp.dhcp)
if not dhcp_packet:
# not dhcp packet
return
# ... handling dhcp packet
2015-10-07 15:40 GMT+08:00 Shuoling Deng <mr.dengshuol...@gmail.com
<mailto:mr.dengshuol...@gmail.com>>:
it looks like parse every PAKCET-IN ?
would this cause heavy load to Controller.
On Wed, Oct 7, 2015 at 12:52 AM, alyosha <tan...@gmail.com
<mailto:tan...@gmail.com>> wrote:
Nice to e-meet you. My name is Okano Yuu.
I created a new ryu application, simple_dhcp_server for
DHCPServer.
I tested this application with 2 VMs, and this application
worked well.
VM1... DHCPClient
VM2... DHCPServer(Ryu & OpenVSwitch)
I set one flowentry on OpenVSwitch "ovs-ofctl add-flow
br-test udp,actions=Controller".
This application supports pep8.
Check this code and comments please.
Thanks!
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Shuoling Deng
Dept. of Computer Science and Technology
Xi'an Jiaotong University
Xi'an, 710049, P.R. China
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Yi Tseng (a.k.a Takeshi)
Taiwan National Chiao Tung University
Department of Computer Science
W2CNLab
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