[asterisk-bugs] [JIRA] (ASTERISK-27307) AMI Action 'Command' only returns the last line

[Ramon Peek (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=238986#comment-238986 ] 

Ramon Peek commented on ASTERISK-27307:
---------------------------------------

Well I've managed to adjust my code and now all data is being read normally again.
Our code requires each line to be stored in a unique key within a Python dictionary.
We used to translate these so called "Unformatted Responses", to a multi-line response when the message containing an entry "Response: Follows".
And for each "Unformatted Response" line we simply added the key "line0", "line1", "line2", and so on...
We now do the same for messages containing an entry "Message: Command output follows" and in which the "Response: Success".

I think this solution will tackle all messages containing this new format correctly, am I correct?



> AMI Action 'Command' only returns the last line
> -----------------------------------------------
>
>                 Key: ASTERISK-27307
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27307
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/ManagerInterface
>    Affects Versions: 14.0.0, 15.0.0-rc1
>         Environment: CentOS 6.8 
>            Reporter: Ramon Peek
>            Assignee: Unassigned
>            Severity: Minor
>         Attachments: AMI-command-action-patch_v14.diff
>
>
> The AMI Action 'Command' only returns the last line from the output of a CLI command.
> This is the case since the launch of Asterisk 14, which is described on the Asterisk Wiki as;
> "The Command action now sends the output from the CLI command as a series of Output headers for each line instead of as a block of text with the --END COMMAND-- delimiter to match the output from other actions."
> https://wiki.asterisk.org/wiki/display/AST/Upgrading+to+Asterisk+14
> As a result we are no longer getting a useful response if the CLI command executed contains multiple lines, like 'core show channels' or 'sip show channels'
> In these cases only the last line of the CLI Command is then reported on the "Output header" 
> The WiKi mentions; "a series of Output headers for each line"
> But clearly that doesn't happen, we only get a single "output header".
> I've written a simple patch that reverts this change.
> Even though this works for me at the moment, reverting the change is a step backwards and likely not the correct way to continue.
> I'd like to write a correct solution to the problem, but this requires me to know more about the reasons behind the original change.
> However, I could not find the actual change anywhere in the ChangeLog or here on Jira. 
> Some assistance is appreciated.



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