<div dir="ltr"><div class="gmail_default" style="font-size:small;color:rgb(0,0,0)">Those messages they are sending to you... are you processing them inside the OnMessage() callback? Does that processing take a long time?</div><div class="gmail_default" style="font-size:small;color:rgb(0,0,0)"><br></div><div class="gmail_default" style="font-size:small;color:rgb(0,0,0)">You might be blocking the QF thread. If you don't return from OnMessage() reasonably quickly, QF will not have a chance to do its thing.</div><div class="gmail_default" style="font-size:small;color:rgb(0,0,0)"><br></div><div class="gmail_default" style="font-size:small;color:rgb(0,0,0)">If OnMessage takes a long time, you may want to shift that effort into a worker thread, rather than performing it on the QF thread.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 6, 2014 at 1:03 PM, Amar Parmar <span dir="ltr"><<a href="mailto:amar.parmar@octave-im.com" target="_blank">amar.parmar@octave-im.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Hi Andrew,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">This is all in the same FIX session, so you do have a good point. The log out occurred just after the Broker had send a large number
of messages to us. We sent a message to the broker 8 seconds prior to the log out.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Is the heartbeat only after x seconds of inactivity a quickfix setting or a part of the standard FIX protocol?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Thanks,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> Quickfixn [mailto:<a href="mailto:quickfixn-bounces@lists.quickfixn.com" target="_blank">quickfixn-bounces@lists.quickfixn.com</a>]
<b>On Behalf Of </b>Andrew Rimmer<br>
<b>Sent:</b> 06 October 2014 18:56</span></p><div><div class="h5"><br>
<b>To:</b> Mailing list for QuickFIX/n<br>
<b>Subject:</b> Re: {{Quickfixn}} Heart Beat Messages<u></u><u></u></div></div><p></p><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Is it all happening on the same FIX session?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">My understanding is you don't heartbeat during lots of activity (i.e. you only heartbeat for x seconds without messages).<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On 6 October 2014 18:48, Grant Birchmeier <<a href="mailto:gbirchmeier@connamara.com" target="_blank">gbirchmeier@connamara.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><span style="color:black">In that case, a message log excerpt around the droppage would be useful. (A *real* log from QF, not something created by print statements in your callbacks.)<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="color:black">You're not trying to manually send or process Heartbeat messages, are you? Sorry for the novice question, but I have to cover the bases.<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On Mon, Oct 6, 2014 at 12:38 PM, Amar Parmar <<a href="mailto:amar.parmar@octave-im.com" target="_blank">amar.parmar@octave-im.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Hi Grant,</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Yes the connection is being logged out because the broker is claiming we did not respond to a heartbeat
message within the required time.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Thanks,</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><u></u><u></u></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
Quickfixn [mailto:<a href="mailto:quickfixn-bounces@lists.quickfixn.com" target="_blank">quickfixn-bounces@lists.quickfixn.com</a>]
<b>On Behalf Of </b>Grant Birchmeier<br>
<b>Sent:</b> 06 October 2014 18:33<br>
<b>To:</b> Mailing list for QuickFIX/n<br>
<b>Subject:</b> Re: {{Quickfixn}} Heart Beat Messages</span><u></u><u></u></p>
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<p class="MsoNormal"> <u></u><u></u></p>
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<p class="MsoNormal"><span style="color:black">What is your *actual* problem? Is your connection breaking? If not, then you don't have a problem.</span><u></u><u></u></p>
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<p class="MsoNormal"><span style="color:black"> </span><u></u><u></u></p>
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<p class="MsoNormal"><span style="color:black">I forget precisely how HBs work, because I never have to look at them. The engine handles it for me, so I don't have to think about it.</span><u></u><u></u></p>
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<p class="MsoNormal"> <u></u><u></u></p>
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<p class="MsoNormal">On Mon, Oct 6, 2014 at 11:51 AM, Amar Parmar <<a href="mailto:amar.parmar@octave-im.com" target="_blank">amar.parmar@octave-im.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Hi,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I seem to be having an issue with sending and receiving heartbeat messages when the fix engine is actively send and receiving messages.<u></u><u></u></p>
<p class="MsoNormal">In the *.messages.current.log file I see occasions where I am sending a heartbeat message but not receiving a reply and occasions where a heartbeat message is sent to me but I do
not reply.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">How are the heartbeat messages handled? Are they dealt with on a separate thread? Is there something obviously silly that I could be doing that could be blocking these messages?<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal"> <u></u><u></u></p>
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<p class="MsoNormal">--
<u></u><u></u></p>
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<p class="MsoNormal"><span style="background:white">Grant Birchmeier</span><u></u><u></u></p>
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<p class="MsoNormal"><b><span style="color:#3333ff;background:#ffcc00">Connamara Systems, LLC</span></b><u></u><u></u></p>
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<p class="MsoNormal"><b>Made-To-Measure Trading Solutions.</b><u></u><u></u></p>
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<p class="MsoNormal">Exactly what you need. No more. No less.<u></u><u></u></p>
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<p class="MsoNormal"><a href="http://connamara.com" target="_blank">http://connamara.com</a><u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
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<p class="MsoNormal"><br>
<br clear="all">
<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">-- <u></u><u></u></p>
<div>
<p class="MsoNormal"><span style="background:white">Grant Birchmeier</span><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><b><span style="color:#3333ff;background:#ffcc00">Connamara Systems, LLC</span></b><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><b>Made-To-Measure Trading Solutions.</b><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Exactly what you need. No more. No less.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><a href="http://connamara.com" target="_blank">http://connamara.com</a><u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
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<p class="MsoNormal"><u></u> <u></u></p>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div><font><span style="background-color:#000000"><span style="background-color:#ffffff">Grant Birchmeier</span></span></font><font><font color="#3333ff"><br></font></font></div><div><font><b><font color="#3333ff"><span style="background-color:#ffcc33"><span style="background-color:#ffcc66"><span style="background-color:#ffcc99"><span style="background-color:#ffffff"><span style="background-color:#ffcc00">Connamara Systems, LLC</span></span></span></span></span></font></b></font><br></div><div><font><b>Made-To-Measure Trading Solutions.</b></font></div><div><font>Exactly what you need. No more. No less.</font><font><b><font color="#3333ff"><br></font></b></font></div><div><font><a href="http://connamara.com" target="_blank">http://connamara.com</a><br></font></div>
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