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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