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Requesting data from a CIGI IG from a non-host application

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2017-05-25
2017-05-25
  • John Fletcher

    John Fletcher - 2017-05-25

    Hello,

    We are attempting to send HAT/HOT requests to a CIGI compliant IG from a secondary application (i.e. NOT a simulation host). At the risk of asking a silly question, does CIGI allow this to happen?

    From what we understand, it seems that we have to include an IG control packet as the first packet in a CIGI message sent to an IG. However our aplication is independent of a simulation host, so it can't generate a valid IG control packet. Sending a CIGI message to the IG without an IG Control packet results in an error. Do we have to route all CIGI packets via a simulation host which would pre-pend an IG Control packet?

    Any help with this would be appreciated.

    John

     
    • Bill

      Bill - 2017-05-25

      Hi John,

       The simple answer is yes, you need to pre-pend an IG Control packet, but only if you desire to be CIGI compliant. It appears the IG you are working with is, as it is complaining about not receiving the IG Control packet.
      

      -Bill-

      From: John Fletcher [mailto:johnnyjetlag@users.sf.net]
      Sent: Thursday, May 25, 2017 8:45 AM
      To: [cigi:discussion] 121251@discussion.cigi.p.re.sf.net
      Subject: [cigi:discussion] Requesting data from a CIGI IG from a non-host application

      Hello,

      We are attempting to send HAT/HOT requests to a CIGI compliant IG from a secondary application (i.e. NOT a simulation host). At the risk of asking a silly question, does CIGI allow this to happen?

      From what we understand, it seems that we have to include an IG control packet as the first packet in a CIGI message sent to an IG. However our aplication is independent of a simulation host, so it can't generate a valid IG control packet. Sending a CIGI message to the IG without an IG Control packet results in an error. Do we have to route all CIGI packets via a simulation host which would pre-pend an IG Control packet?

      Any help with this would be appreciated.

      John


      Requesting data from a CIGI IG from a non-host applicationhttps://sourceforge.net/p/cigi/discussion/121251/thread/eca9e7a5/?limit=25#01ee


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      • John Fletcher

        John Fletcher - 2017-05-25

        Thanks Bill! We do indeed want to be CIGI compliant, as we had hoped our application could be used on any CIGI Compliant IG.

         

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