The name of your form parameter is "foo", and it represents
2 uploads. apreq_body_get(req, "foo") will only return the first
one tho. To get at them both you'll need to use the table API
(eg apreq_body(req, &t)) and walk the table with a table_do function.
----- Original Message ----
> From: Mark Songhurst <m...@songhurst.org>
> To: apreq-dev@httpd.apache.org
> Sent: Tue, December 21, 2010 5:30:33 PM
> Subject: How to use apreq_body_get ?
>
> Hello
>
> I'm very new to both Apache and libapreq; I'm struggling to get a C
> based Apache module working with a multipart/form-data request, which
> is uploading 2 files.
>
> Given these 2 parts in my request:
>
> Content-Disposition: form-data; name="foo"; filename="test_file_1.txt"
> Content-Type: application/x-thought
>
> and
>
> Content-Disposition: form-data; name="foo"; filename="test_file_2.txt"
> Content-Type: application/x-thought
>
>
> Please could someone advise me what string I should place in the
> second parameter in the call to apreq_body_get() ?
>
> I have tried using the actual filename "test_file_1.txt" but I get
> returned a NULL pointer from apreq_body_get()
> I've also tried using the string "filename" but this also gives me a
> NULL pointer.
>
> At the end of this email I've appended the full request from my
> client, and the handler from my Apache module.
>
> Thanks in advance for any help or suggestions.
>
> Kind regards,
> Mark.
>
>
>
> Here is my multipart/form-data request, generated using the libcurl
> curl_formadd function - please excuse the output, this is from my test
> harness client (I can't figure out how to get Apache to dump the
> entire request in it's logs):
>
> 12/21/10 21:19:42.402.177 HttpClient.cpp:174 DEBUG -
> => Send header, 215 bytes (0xd7)
> 0000: POST /thoughtupload HTTP/1.1
> 001e: Host: logger1.st3.devel.messagelabs.com
> 0047: Accept: */*
> 0054: Content-Length: 402
> 0069: Expect: 100-continue
> 007f: Content-Type: multipart/form-data; boundary=--------------------
> 00bf: --------8691e9ee9b5b
> 00d5:
>
> 12/21/10 21:19:42.403.968 HttpClient.cpp:174 DEBUG -
> <= Recv header, 23 bytes (0x17)
> 0000: HTTP/1.1 100 Continue
>
> 12/21/10 21:19:42.404.326 HttpClient.cpp:174 DEBUG -
> => Send data, 155 bytes (0x9b)
> 0000: ------------------------------8691e9ee9b5b
> 002c: Content-Disposition: form-data; name="foo"; filename="test_file_
> 006c: 1.txt"
> 0074: Content-Type: application/x-thought
> 0099:
>
> 12/21/10 21:19:42.404.741 HttpClient.cpp:174 DEBUG -
> => Send data, 21 bytes (0x15)
> 0000: This is test file 1..
>
> 12/21/10 21:19:42.405.059 HttpClient.cpp:174 DEBUG -
> => Send data, 157 bytes (0x9d)
> 0000:
> 0002: ------------------------------8691e9ee9b5b
> 002e: Content-Disposition: form-data; name="foo"; filename="test_file_
> 006e: 2.txt"
> 0076: Content-Type: application/x-thought
> 009b:
>
> 12/21/10 21:19:42.405.488 HttpClient.cpp:174 DEBUG -
> => Send data, 21 bytes (0x15)
> 0000: This is test file 2..
>
> 12/21/10 21:19:42.405.740 HttpClient.cpp:174 DEBUG -
> => Send data, 48 bytes (0x30)
> 0000:
> 0002: ------------------------------8691e9ee9b5b--
>
> 12/21/10 21:19:42.444.345 HttpClient.cpp:174 DEBUG -
> <= Recv header, 17 bytes (0x11)
> 0000: HTTP/1.1 200 OK
>
>
> The handler in my Apache module is as follows:
>
> static int thoughtupload_handler(request_rec *r)
> {
> if (strcmp(r->handler, "thoughtupload"))
> {
> return DECLINED;
> }
>
> if(strncmp(r->method, "POST", 4) == 0)
> {
> apreq_handle_t *req;
> req = apreq_handle_apache2(r);
>
> apr_pool_t *mp = NULL;
> apr_pool_create(&mp, NULL);
> ap_log_rerror(APLOG_MARK, APLOG_EMERG, APR_SUCCESS, r, "I have these
> files: %s", apreq_params_as_string(mp, apreq_params(req, mp), NULL,
> APREQ_JOIN_AS_IS));
> apr_pool_destroy(mp);
>
> apreq_param_t *param = apreq_body_get(req, "test_file_1.txt");
>
> if(param == NULL)
> {
> ap_log_rerror(APLOG_MARK, APLOG_EMERG, APR_SUCCESS, r, "NO SUCH PARAM");
> }
> else if(param->upload == NULL)
> {
> ap_log_rerror(APLOG_MARK, APLOG_EMERG, APR_SUCCESS, r, "NOT UPLOAD");
> }
> else
> {
> ap_log_rerror(APLOG_MARK, APLOG_EMERG, APR_SUCCESS, r, "GOT SOME DATA!");
> }
> }
>
> return OK;
> }
>
> Using this code, I get the following log output:
>
> [Tue Dec 21 21:50:16 2010] [emerg] [client 10.191.84.1] I have these
> files: test_file_1.txt, test_file_2.txt
> [Tue Dec 21 21:50:16 2010] [emerg] [client 10.191.84.1] NO SUCH PARAM
>
