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https://issues.apache.org/jira/browse/PROTON-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16545633#comment-16545633
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Praveen Bodke commented on PROTON-1890:
---------------------------------------

Thanks for the update Alan. 

I have tested the same reproducer in 0.24 version and i see that the issue is 
fixed. 
>From the Frame logs its visible that after the close frame is sent, the proton 
>immediately sending the EOS frame to close the socket. 

Following are the frame log snippets.

[0x98780f0]:0 -> (EMPTY FRAME)
push-while-in
push-while-in
[0x98780f0]:0 -> (EMPTY FRAME)
push-while-in
push-while-in
push-while-in
[0x98780f0]:0 -> (EMPTY FRAME)
push-while-in
push-while-in
[0x98780f0]:0 -> (EMPTY FRAME)
push-while-in
push-while-in
push-while-in
[0x98780f0]:0 -> @close(24) [error=@error(29) 
[condition=:"amqp:resource-limit-exceeded", description="local-idle-timeout 
expired"]]
[0x98780f0]:  -> EOS
amqp:resource-limit-exceeded: local-idle-timeout expired

Is there a way to enable proton logs from the CPP code instead of using the 
PN_TRACE_FRM environment variable. My application is running under daemon and 
will not have the console to display the logs. 



> [c++] implement idle_timeout and heartbeats
> -------------------------------------------
>
>                 Key: PROTON-1890
>                 URL: https://issues.apache.org/jira/browse/PROTON-1890
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: cpp-binding
>    Affects Versions: 0.16.0
>            Reporter: Praveen Bodke
>            Assignee: Alan Conway
>            Priority: Major
>         Attachments: PROTON-1890.zip, examples.diff
>
>
> This is similar issue reported in PROTON-1782 for ruby. 
> We are facing this issue in cpp binding and i am able to reproduce the issue 
> with scheduled_send_03.cpp example. The test scenario is to drop all the 
> packets from both the interfaces after the successful connection. The only 
> change i made to this example is to send messages continuously inside the 
> send() method. The other end is detecting the error as it is sending the 
> empty frames and no response is heard.
> The proton is not sending the heartbeat messages (empty frames) as the sender 
> is busy in sending the data frames. Is it not necessary to send empty frames 
> even if the data frames are sent?
>  



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