<div dir="ltr">Good info guys, nice work</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 30, 2020 at 11:38 AM Matthew Loraditch <<a href="mailto:MLoraditch@heliontechnologies.com">MLoraditch@heliontechnologies.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal">Very interesting, thanks to both of you for the knowledge drop. Of course I’ve already rewritten everything at this point, but good to know for the future!<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<div><table cellpadding="0" cellspacing="0" border="0" style="width:100%"><tbody><tr style="font-size:0px"><td align="left" style="vertical-align:top"><table cellpadding="0" cellspacing="0" border="0" style="font-size:0px"><tbody><tr style="font-size:0px"><td style="padding:0px 10px 0px 0px"> </td><td align="left" style="padding:10px 0px 10px 10px;vertical-align:middle"><table cellpadding="0" cellspacing="0" border="0" style="width:100%;font-size:0px;line-height:normal"><tbody><tr style="font-size:0px"><td align="left" style="vertical-align:middle"><table cellpadding="0" cellspacing="0" border="0" style="width:100%;font-size:0px"><tbody><tr style="font-size:14.67px;color:rgb(243,128,11);font-style:normal;font-weight:700;white-space:nowrap"><td align="left" style="vertical-align:top;font-family:Calibri,Arial,sans-serif">Matthew Loraditch<span style="font-family:remialcxesans;font-size:1px;color:rgb(255,255,255);line-height:1px"></span></td></tr><tr style="font-size:0px"><td align="left" style="vertical-align:top"><table cellpadding="0" cellspacing="0" border="0" style="font-size:0px;color:rgb(128,128,128);font-style:normal;font-weight:700;white-space:nowrap"><tbody><tr style="font-size:14.67px"><td align="left" style="vertical-align:top;font-family:Calibri,Arial,sans-serif">Sr. Network Engineer</td></tr></tbody></table></td></tr><tr style="font-size:0px"><td align="left" style="vertical-align:top"><table cellpadding="0" cellspacing="0" border="0" style="font-size:0px"><tbody><tr style="font-size:0px"><td align="left" style="padding:10px 0px 0px;vertical-align:top"><table cellpadding="0" cellspacing="0" border="0" style="font-size:0px;color:rgb(128,128,128);font-style:normal;font-weight:400;white-space:nowrap"><tbody><tr style="font-size:14.67px"><td align="left" style="vertical-align:top;font-family:Calibri,Arial,sans-serif"><span style="color:rgb(243,128,11)">p:</span> <a href="tel:443.541.1518" id="gmail-m_-4470963430162777745LPlnk689713" style="text-decoration:none;color:rgb(128,128,128)" target="_blank"><strong style="font-weight:400">443.541.1518</strong></a></td></tr></tbody></table></td></tr></tbody></table></td></tr><tr style="font-size:0px"><td align="left" style="vertical-align:top"><table cellpadding="0" cellspacing="0" border="0" style="font-size:0px;color:rgb(128,128,128);font-style:normal;font-weight:400;white-space:nowrap"><tbody><tr style="font-size:14.67px"><td align="left" style="vertical-align:top;font-family:Calibri,Arial,sans-serif"><span style="color:rgb(243,128,11)">w:</span> <a href="http://www.heliontechnologies.com/" id="gmail-m_-4470963430162777745LPlnk689713" style="text-decoration:none;color:rgb(128,128,128)" target="_blank"><strong style="font-weight:400">www.heliontechnologies.com</strong></a></td><td align="left" style="vertical-align:top;font-family:Calibri,Arial,sans-serif"> | </td><td align="left" style="vertical-align:top;font-family:Calibri,Arial,sans-serif"><span style="color:rgb(243,128,11)">e:</span> <a href="mailto:MLoraditch@heliontechnologies.com" id="gmail-m_-4470963430162777745LPlnk689713" style="text-decoration:none;color:rgb(128,128,128)" target="_blank"><strong style="font-weight:400">MLoraditch@heliontechnologies.com</strong></a></td></tr></tbody></table></td></tr><tr style="font-size:0px"><td align="left" style="vertical-align:middle"><table cellpadding="0" cellspacing="0" border="0" style="font-size:0px;line-height:normal"><tbody><tr style="font-size:0px"><td align="left" style="vertical-align:bottom"><a href="http://www.heliontechnologies.com/" id="gmail-m_-4470963430162777745LPlnk689713" style="text-decoration:none" target="_blank"><img src="cid:16ffcad4c1ced72c6fd7" width="300" height="75" border="0" title="Helion Technologies" alt="Helion Technologies" style="width: 300px; 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<p class="MsoNormal"><b>From:</b> Anthony Holloway <<a href="mailto:avholloway%2Bcisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>>
<br>
<b>Sent:</b> Thursday, January 30, 2020 1:35 PM<br>
<b>To:</b> Norton, Mike <<a href="mailto:mikenorton@pwsd76.ab.ca" target="_blank">mikenorton@pwsd76.ab.ca</a>><br>
<b>Cc:</b> Matthew Loraditch <<a href="mailto:MLoraditch@heliontechnologies.com" target="_blank">MLoraditch@heliontechnologies.com</a>>; <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] HTTP Response for HTTP Triggered Script<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal" style="line-height:12pt;background-color:rgb(255,235,156);background-position:initial initial;background-repeat:initial initial"><span style="font-size:10pt;color:rgb(156,101,0)">[EXTERNAL]</span><span style="font-size:10pt;color:black"><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">All good info Mike, and thank you for the conversation! <u></u>
<u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">The Content-Length header is in fact missing from the server response.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Interestingly, when I add a content length header, the browser/client now "completes" the transaction at the first 10 second delay.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><img width="388" height="120" style="width: 4.0416in; height: 1.25in;" id="gmail-m_-4470963430162777745Picture_x0020_1" src="cid:16ffcad4c1b4cff311"><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><img width="435" height="358" style="width: 4.5312in; height: 3.7291in;" id="gmail-m_-4470963430162777745Picture_x0020_2" src="cid:16ffcad4c1b5b16b22"><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><img width="1899" height="211" style="width: 19.7812in; height: 2.1979in;" id="gmail-m_-4470963430162777745Picture_x0020_3" src="cid:16ffcad4c1b692e333"><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">So, we now have a working solution for Matt, where he doesn't need the Trigger Application step. Rather, he simply needs to set the Content-Length header. Sorry! ;)<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">On Thu, Jan 30, 2020 at 11:46 AM Norton, Mike <<a href="mailto:mikenorton@pwsd76.ab.ca" target="_blank">mikenorton@pwsd76.ab.ca</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12pt"><span lang="EN-CA" style="color:rgb(31,73,125)">An HTTP conversation ending is not necessarily the same thing as the TCP connection closing. Often they are, but that is not a safe assumption.
If you are waiting for the TCP connection to close, then really you’re waiting for the wrong thing. You can tell the HTTP conversation is done when as many bytes of content have come in as was specified in the content-length header. Either party could close
the TCP connection at that point, if it wants.<br>
<br>
Firefox would know that, of course. So it sounds like maybe the server does not send a content-length header, or is indeed sending the initial bit of content then waiting.<br>
<br>
If you can do the request with HTTP 1.0, it might be worth seeing if that gives different server behaviour. Otherwise I guess it is workarounds on the Cisco side or a custom HTTP client implementation.<br>
<br>
-mn</span><span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><b>From:</b> Anthony Holloway <<a href="mailto:avholloway%2Bcisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>>
<br>
<b>Sent:</b> January 30, 2020 10:01 AM<br>
<b>To:</b> Norton, Mike <<a href="mailto:mikenorton@pwsd76.ab.ca" target="_blank">mikenorton@pwsd76.ab.ca</a>><br>
<b>Cc:</b> Matthew Loraditch <<a href="mailto:MLoraditch@heliontechnologies.com" target="_blank">MLoraditch@heliontechnologies.com</a>>;
<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] HTTP Response for HTTP Triggered Script<span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">Thanks for adding to the conversation Mike.<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">I did some testing and, here is the script I am testing with:<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"><img border="0" width="391" height="89" style="width: 4.0729in; height: 0.927in;" id="gmail-m_-4470963430162777745gmail-m_-5886066746223608543_x005f_x0000_i1025" src="cid:16ffcad4c1c7745b44" alt="image.png"></span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">If I open up the dev tools in FF, the browser is spinning the whole 20sec, and there is no status code next to the request. (not a very exciting screenshot):<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"><img border="0" width="1915" height="138" style="width: 19.9479in; height: 1.4375in;" id="gmail-m_-4470963430162777745gmail-m_-5886066746223608543_x005f_x0000_i1026" src="cid:16ffcad4c1c855d355" alt="image.png"></span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">But then once the 20 seconds expire and the script ends, the browser fully loads the page and now shows the 200 status code, plus some timing details:<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"><img border="0" width="1903" height="217" style="width: 19.8229in; height: 2.2604in;" id="gmail-m_-4470963430162777745gmail-m_-5886066746223608543_x005f_x0000_i1027" src="cid:16ffcad4c1c9374b66" alt="image.png"></span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">If I get timings out of Fiddler, it looks like this (where we can see the 10 second gaps between sending the request, server starts to respond, server finishes
response):<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ACTUAL PERFORMANCE</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">--------------</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ClientConnected: 10:25:10.973</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ClientBeginRequest: 10:25:11.158</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">GotRequestHeaders: 10:25:11.158</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ClientDoneRequest: 10:25:11.158</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">Determine Gateway: 0ms</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">DNS Lookup: 0ms</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">TCP/IP Connect: 0ms</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">HTTPS Handshake: 0ms</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ServerConnected: 10:25:10.986</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New";color:black;background-color:rgb(255,242,204);background-position:initial initial;background-repeat:initial initial">FiddlerBeginRequest: 10:25:11.158 <--- Fiddler passing the client's request to the server</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ServerGotRequest: 10:25:11.158</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ServerBeginResponse: 10:25:21.161</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New";color:black;background-color:rgb(255,242,204);background-position:initial initial;background-repeat:initial initial">GotResponseHeaders: 10:25:21.162 <--- Fiddler receives HTTP response Headers</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New";color:black;background-color:rgb(255,242,204);background-position:initial initial;background-repeat:initial initial">ServerDoneResponse: 10:25:31.163 <--- Fiddler receives the connection close from server</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ClientBeginResponse: 10:25:31.163</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">ClientDoneResponse: 10:25:31.163</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-family:"Courier New"">Overall Elapsed: 0:00:20.005</span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">And if I use Postman to try and set the Connection header to close, the server does not honor it (and from my research, it does not have to), and so it still
takes 20 seconds to close the connection. Interestingly, in Postman, I can see the response Headers after 10 seconds, but it does not render a body until after 20 seconds. So the Send HTTP Response is actually sending headers and body content, but the client
is not rendering any body content until the request is complete. Contrast that with FF, which shows no header/status code until the full 20 seconds expires. Each client is coded a little different I guess.<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">I did do some testing with wireshark, but either my skills in it are too limited to show anything of more value than what I already knew, or the app simply wont
show anything new and exciting beyond what I already gathered.<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">In short, it would seem as though the server is in ultimate control of closing the connection, and I just don't see how we can affect that, other than executing
the End step.<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">Perhaps Cisco should have included a toggle in the Send HTTP Response step to also close the connection?<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">On Wed, Jan 29, 2020 at 6:15 PM Norton, Mike <<a href="mailto:mikenorton@pwsd76.ab.ca" target="_blank">mikenorton@pwsd76.ab.ca</a>> wrote:<u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12pt"><span lang="EN-CA" style="color:rgb(31,73,125)">I know nothing about UCCX, but from an HTTP perspective, the problem does not quite make sense as described.<br>
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If the HTTP server is “spitting back some HTML” then it had to have also spit back a status code. The status code is in the HTTP response headers before the content. Content cannot possibly have come without a status code.<br>
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Perhaps your developer is waiting for the TCP session to close (which is not the same thing as an HTTP response ending), but neglected to request that HTTP keep-alive not be used? In HTTP 1.1, keep-alive is the default. If the server supports keep-alive but
the requestor does not want it, then the request needs to have “Connection: close” in the headers.<br>
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-mn</span><span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:rgb(31,73,125)"> </span><span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><b>From:</b> cisco-voip <<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>>
<b>On Behalf Of </b>Matthew Loraditch<br>
<b>Sent:</b> January 28, 2020 6:06 AM<br>
<b>To:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> [cisco-voip] HTTP Response for HTTP Triggered Script<span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
<p class="MsoNormal">Got the following comment from the developer who is writing an app that will queue a call via http trigger:<span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><i>It seems like the MobileApp integration is accepting my request, spits back some HTML, but the HTTP request remains open until the queued call is answered.</i><span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><i> </i><span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><i>Ideally, that HTTP request would be closed with a successful HTTP status code (e.g. HTTP 200) when the call was queued, so that I can report back to the user that they can wait
for a callback. </i><span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal"><i> </i><span lang="EN-CA"><u></u><u></u></span></p>
<p class="MsoNormal">I understand his problem, but I see no way of fixing it. The send http response command doesn’t seem to have any settings but the doc sent back. Is this normal behavior or can
I do something with the doc being sent back to make it work?<span lang="EN-CA"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA"> <u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">_______________________________________________<br>
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