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Posted to commits@nifi.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/05/01 03:17:06 UTC
[jira] [Commented] (NIFI-548) Listen UDP should support generation
of a flowfile per datagram
[ https://issues.apache.org/jira/browse/NIFI-548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14522602#comment-14522602 ]
ASF GitHub Bot commented on NIFI-548:
-------------------------------------
GitHub user bbende opened a pull request:
https://github.com/apache/incubator-nifi/pull/48
NIFI-548
This pull request shows a possible approach to support "FlowFile per Datagram" for NIFI-548.
Most of the changes are for passing down a flag from the processor all the way to the DatagramChannelReader which requires passing through a few levels of classes.
The important change to the logic is:
* DatagramChannelReader - break out of the receive loop if null, or if we only want one datagram
* UDPConsumerCallback - break out of writing to the FlowFile OutputStream if we hit the totalBytes, or if we only want one datagram
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/bbende/incubator-nifi NIFI-548
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-nifi/pull/48.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #48
----
commit 8d4c8f6899a63a2b6bbe1503825cd01e6763c5cc
Author: bbende <bb...@gmail.com>
Date: 2015-04-30T00:53:18Z
Initial changes to pass down a property from ListenUDP to the DatagramReader for one FlowFile per datagram
commit 37c6facc69c469c486c6205e38aaa0972af8077e
Author: bbende <bb...@gmail.com>
Date: 2015-04-30T01:29:10Z
Updating UDPConsumerCallback to consider use the FlowFile-Per-Datagram property
commit cbe8e694f6717ae3d0b3aca62d4b84403d9ac51b
Author: bbende <bb...@gmail.com>
Date: 2015-05-01T01:00:00Z
Merge remote-tracking branch 'upstream/develop' into NIFI-548
----
> Listen UDP should support generation of a flowfile per datagram
> ---------------------------------------------------------------
>
> Key: NIFI-548
> URL: https://issues.apache.org/jira/browse/NIFI-548
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Bryan Bende
> Priority: Minor
>
> Listen UDP presently places udp datagrams into a buffer and then once the buffer reaches some trigger size/age it turns that into a flowfile. There should be an option to turn each received datagram into a flowfile. This is helpful for cases where each datagram is a complete object by itself but that isnt necessarily trivially demarcated if it were concatenated with other datagrams.
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