NFD » ndn-tools

Maybe we can include in this change an additional option to only printing the final summary, but not a line for each packet. This would speed up performance.

Gerrit link: https://gerrit.named-data.net/c/4399/

Change 4399,7 test log:

$ head -c10000000 /dev/zero | ndnputchunks /A
Loading input ...
Created 2273 chunks for prefix /A
Data published with name: /A/%FD%00%00%01%60%DB%89%3B%CE

$ ndncatchunks -v /A > /dev/null
(omitted)
All segments have been received.
Time elapsed: 1446.99 milliseconds
Total # of segments received: 2273
Total size: 10000kB
Goodput: 55.287219 Mbit/s
Total # of packet loss events: 1
Packet loss rate: 0.000439947
Total # of retransmitted segments: 0
Total # of received congestion marks: 0
RTT min/avg/max = 2.020/116.820/216.740 ms

OK.

$ ndnputchunks /D < /dev/null
Loading input ...
Created 1 chunks for prefix /D
Data published with name: /D/%FD%00%00%01%60%DB%8C7%1B

$ ndncatchunks -v /D > /dev/null
RTT estimator parameters:
        Alpha = 0.125
        Beta = 0.25
        K = 4
        Initial RTO = 1000 milliseconds
        Min RTO = 200 milliseconds
        Max RTO = 4000 milliseconds
AIMD pipeline parameters:
        Initial congestion window size = 1
        Initial slow start threshold = 2.14748e+09
        Additive increase step = 1
        Multiplicative decrease factor = 0.5
        RTO check interval = 10 milliseconds
        Max retries on timeout or Nack = 3
        Reaction to congestion marks enabled
        Conservative window adaptation enabled
        Resetting cwnd to ssthresh upon loss event
Data: Name: /D/%FD%00%00%01%60%DB%8C7%1B/%00%00
MetaInfo: ContentType: 0, FreshnessPeriod: 10000 milliseconds, FinalBlockId: %00%00
Content: (size: 0)
Signature: (type: SignatureSha256WithRsa, value_length: 256)

Discovered version = 1515511887643
Timeout for Interest /D?ndn.MinSuffixComponents=3&ndn.MaxSuffixComponents=3&ndn.ChildSelector=1&ndn.InterestLifetime=300&ndn.Nonce=4109165024&ndn.Exclude=*,%FD%00%00%01%60%DB%8C7%1B
Found data with the latest version: 1515511887643

(program fails to terminate)

This isn't caused by this Change, so I reported this as #4439.