Re: HttpApi Question

[thomas.raddatz@xxxxxx]

   Nancy,
   By default HTTP API drops the connection after each HTTP operation.
   Therefore you may authenticate against server 1 and then try to POST to
   server 2, depending on the decision of the workload balancing server.
   In order to get around that problem you may try to use a persistent
   connection for authentication as well as for the POSTs. The following
   snippet is an example from my NTLM extenstion. So please replace
   HTTP_AUTH_NTLM with HTTP_AUTH_BASIC.
   Example: Persistent Connection
   This example demonstrates how to call a web service twice, storing the
   response SOAP messages in a single stream file. The complete source
   code is shipped with the NTLM package.
   URL = 'http://' + Job_getTcpIpAddr() + '/HelloWorld.asmx';
   IFS = '/home/raddatz/httpapi_example37.xml';
   // Open output file
   fd = open(IFS: O_WRONLY + O_TRUNC + O_CREAT + O_CCSID: 511: 1208);
   // Produce SOAP message postData =
   '<soapenv:Envelope +
       xmlns:soapenv="[1]http://schemas.xmlsoap.org/soap/envelope/"; +
       xmlns:tem="[2]http://tempuri.org/";>+
      <soapenv:Header/>+
      <soapenv:Body>+
         <tem:HelloWorld/>+
      </soapenv:Body>+
   </soapenv:Envelope>';
   // Open persistent connection
   pComm = http_persist_open(URL);
   // Set credentials http_setauth(HTTP_AUTH_NTLM: user: password);
   dou '1';
      // Call web service
      if ( http_persist_post( pComm: URL: 0: *null
                            : %addr(postData)+2: %len(postData)
                            : fd: %paddr('write')) = -1);
         leave;
      endif;
      // Call web service once more
      if ( http_persist_post( pComm: URL: 0: *null
                            : %addr(postData)+2: %len(postData)
                            : fd: %paddr('write')) = -1);
         leave;
      endif;
   enddo;
   // Close http connection
   http_persist_close(pComm);
   // Close output file
   callp close(fd);
   Regards,
   Thomas.
   ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx schrieb am 03.09.2013 14:19:09:
   > Von: naschueller@xxxxxxxxxx
   > An: ftpapi@xxxxxxxxxxxxxxxxxxxxxx,
   > Datum: 03.09.2013 16:01
   > Betreff: HttpApi Question
   > Gesendet von: ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx
   >
   >
   > All -
   >
   > I have taken over a project to convert a process from VB6 to the
   Iseries.
   > I downloaded the HTTPAPI source and examples.
   >
   > This is the process:
   >    Send a log-on message
   >    Send multiple data messages
   >
   > This is a snippet of source from the VB 6 applications that I am
   attempting
   > to convert.
   >
   > xmlHTTP.Open "POST", strServer, False, strUser, strPassword
   > xmlHTTP.Send (xmlData)
   >
   >
   > I have been following the recent email regarding sending the
   authentication
   > prior to each "POST". So my RPGLE source looks like the following.
   >
   > callp http_setAuth( HTTP_AUTH_BASIC:
   >                     'xxxxxx':
   >                     'xxxxxx' );
   >
   >  eval rc=http_url_post( %Trimr(server) :
   >                         %addr(data):
   >                         %len(%trimr(data)):
   >                         '/tmp/response.xml');
   >
   > The service that I am sending these messages to does load balancing.
    Some
   > of the transactions are successful and some I am receiving the
   response "1
   > Invalid authorization token".  The support for the site tells me that
   I am
   > dropping the connection and that is why I am receiving these
   messages.
   >
   > At this point I am not certain how to proceed and was looking for
   > suggestions from the group.
   >
   > Thank you in advance,
   >
   > Nancy Schueller
   > 563-584-0404 x123
   >
   >
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References

   1. http://schemas.xmlsoap.org/soap/envelope/
   2. http://tempuri.org/
   3. http://www.scottklement.com/mailman/listinfo/ftpapi

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