curl-w32/packages/OS400/rpg-examples/HTTPPOST

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* Curl MIME post data and display response
*
h DFTACTGRP(*NO) ACTGRP(*NEW)
h OPTION(*NOSHOWCPY)
h BNDDIR('CURL')
*
**************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
* ANY KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
**************************************************************************
*
/include H,CURL.INC
*
* Example to HTTP POST data using the MIME API. Displays the response.
*
d pi
d userinput 120 User data to post
*
d url c 'http://httpbin.org/anything'
*
*
d inputlen s 10u 0 User input length
**************************************************************************
inputlen = trimmed_length(userinput: %len(userinput));
// Do the curl stuff.
curl_global_init(CURL_GLOBAL_ALL);
main();
curl_global_cleanup();
*inlr = *on; // Exit
*
**************************************************************************
* Main procedure: do the curl job.
**************************************************************************
*
p main b
d main pi
*
d h s * Easy handle
d result s like(CURLcode) Curl return code
d inz(CURLE_OUT_OF_MEMORY)
d errmsgp s * Error string pointer
d response s 52 For error display
d mime s * MIME handle
d mimepart s * MIME part handle
d parthdrs s * inz(*NULL) Part headers
// Create and fill curl handle.
h = curl_easy_init();
if h <> *NULL;
curl_easy_setopt_ccsid(h: CURLOPT_URL: url: 0);
curl_easy_setopt(h: CURLOPT_FOLLOWLOCATION: 1);
mime = curl_mime_init(h);
mimepart = curl_mime_addpart(mime);
curl_mime_name_ccsid(mimepart: 'autofield': 0);
curl_mime_data_ccsid(mimepart: 'program-generated value':
CURL_ZERO_TERMINATED: 0);
mimepart = curl_mime_addpart(mime);
curl_mime_name_ccsid(mimepart: 'userfield': 0);
curl_mime_data_ccsid(mimepart: %subst(userinput: 1: inputlen):
CURL_ZERO_TERMINATED: 0);
mimepart = curl_mime_addpart(mime);
curl_mime_name_ccsid(mimepart: 'ebcdicfield': 0);
curl_mime_data(mimepart: %subst(userinput: 1: inputlen): inputlen);
curl_mime_encoder_ccsid(mimepart: 'base64': 0);
// Avoid server to convert base64 to text.
parthdrs = curl_slist_append_ccsid(parthdrs:
'Content-Transfer-Encoding: bit': 0);
curl_mime_headers(mimepart: parthdrs: 1);
curl_easy_setopt(h: CURLOPT_MIMEPOST: mime);
// Perform the request.
result = curl_easy_perform(h);
curl_mime_free(mime);
curl_easy_cleanup(h); // Release handle
endif;
// Check for error and report if some.
if result <> CURLE_OK;
errmsgp = curl_easy_strerror_ccsid(result: 0);
response = %str(errmsgp);
dsply '' '*EXT' response;
endif;
p main e
*
**************************************************************************
* Get the length of right-trimmed string
**************************************************************************
*
p trimmed_length b
d trimmed_length pi 10u 0
d string 999999 const options(*varsize)
d length 10u 0 value
*
d len s 10u 0
*
len = %scan(X'00': string: 1: length); // Limit to zero-terminated string
if len = 0;
len = length + 1;
endif;
if len <= 1;
return 0;
endif;
return %checkr(' ': string: len - 1); // Trim right
p trimmed_length e