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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Well,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> In general, most of the information can be obtained via AMI, either directly or via the command action.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>However, the overheads involved in obtaining the information via the AMI are just too great. Be it connecting<br>to the TCP socket, issuing out the Action command then parsing the information back – for something that<br>can be obtained directly from the CLI – it simply makes no sense to do it from AMI.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> Let’s take the “sip show peers” CLI command. It’s equivalent in the AMI world will be the “sippeers” action. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Compare the output of the two, when all you require is the summary line – it just doesn’t make sense to use<br>AMI. Same applies to CoreShowChannels action. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> So, you would most probably say something like: “in that case, go with AJAM and write a page that connects<br>to AJAM and returns back the JSON that you require – well, true that can be done too. But when working with<br>small footprint machines, such as embedded devices, this kind of heavy/light lifting can become a hassle.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> In other words, gathering information in a resource economical, code economical, simply accessible manner <br>is something that is required by every PBX/Application developer – the question is – how to go about and do it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Nir S<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> asterisk-dev-bounces@lists.digium.com [mailto:asterisk-dev-bounces@lists.digium.com] <b>On Behalf Of </b>Russell Bryant<br><b>Sent:</b> Friday, November 09, 2012 1:49 AM<br><b>To:</b> Asterisk Developers Mailing List<br><b>Subject:</b> Re: [asterisk-dev] Formatting options for CLI output<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On Thu, Nov 8, 2012 at 6:26 PM, Nir Simionovich <<a href="mailto:nir.simionovich@gmail.com" target="_blank">nir.simionovich@gmail.com</a>> wrote:<o:p></o:p></p><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi All,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> Well, per Michael’s response on JIRA, I’m moving this discussion to the mailing list. <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> Here’s the thing – almost anyone who’s built a large scale Asterisk platform had used either<br>Nagios or Icinga (or other) to monitor it. Normally, what you would to monitor Asterisk would <br>be to either use the shell to issue ‘asterisk –rx’ commands and parse the output. Or connect<br>to the manager, issue a similar command and parse the output again. <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><o:p> </o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>What information can you not get using the AMI today that requires you to parse CLI output?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'd rather see work go into adding manager commands with responses as needed. If you ever have to parse CLI output, that just means something is missing from the AMI (or you didn't know it was there).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-- <o:p></o:p></p></div><div><p class=MsoNormal>Russell Bryant<o:p></o:p></p></div></div></div></div></body></html>