That is consistent with my experience as well, in that my write_data
callback does in fact get called when the server's response is text/html
and has a known length. But, when the server returns a response that
has Transfer-Encoding: chunked, and the Content-Type is text/xml, I get
nothing.

Andrew

Daniel Stenberg wrote:

> On Wed, 21 Dec 2005, Andrew Biggs wrote:
>
>> I gave this another go after upgrading to libcurl/7.15.1
>> OpenSSL/0.9.7a zlib/1.1.4, but unfortunately the problem persists.
>> Any ideas?
>
>
> Not really. I amused myself by converting it to plain C, building it
> and running it against my localhost's Apache (which doesn't understand
> DAV at all) and it did indeed get called properly:
>
> < HTTP/1.1 501 Method Not Implemented
> < Date: Wed, 21 Dec 2005 21:22:44 GMT
> < Server: Apache/2.0.55 (Debian)
> < Allow: GET,HEAD,POST,OPTIONS,TRACE
> < Content-Length: 293
> < Connection: close
> < Content-Type: text/html; charset=iso-8859-1
> *** write_data has been called: 293 bytes
> * Closing connection #0
>
> And for this, I used the program that now looks like this:
>
> #include <curl/curl.h>
>
> #include <stdlib.h>
> #include <string.h>
>
> size_t write_data(void *buffer, size_t size, size_t nmemb, void *userp)
> {
> printf("*** write_data has been called: %d bytes\n", size*nmemb);
> return size*nmemb;
> }
>
> #define CHECKCC(x) \
> if ((cc = x) != CURLE_OK) { \
> printf("Failed at line %d with code %d\n", __LINE__, cc); \
> exit(1); \
> }
>
>
> int main()
> {
> CURLcode cc;
> const char *url = "http://localhost/";
> const char *userpwd = "aspen\\cucsvc:Bould3r";
> const char *method = "SEARCH";
> struct curl_slist *slist = NULL;
> slist = curl_slist_append(slist, "Accept: text/xml");
> slist = curl_slist_append(slist, "Depth: infinity");
> slist = curl_slist_append(slist, "Content-Type: text/xml");
> slist = curl_slist_append(slist, "Connection: Keep-Alive");
>
> const char *postdata =
> "<?xml version=\"1.0\"?><D:searchrequest xmlns:D=\"DAV:\" >"
> "<D:sql>SELECT \"http://schemas.microsoft.com/repl/contenttag\""
> " from SCOPE ('deep traversal of \"/exchange/adb/Calendar/\"') "
> "WHERE \"DAV:isfolder\" = True</D:sql></D:searchrequest>\r\n";
>
> CHECKCC(curl_global_init(CURL_GLOBAL_SSL))
> CURL *pcurl = curl_easy_init();
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_VERBOSE, 1))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_URL, url))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_CUSTOMREQUEST, method))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_HTTPHEADER, slist))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_POSTFIELDS, postdata))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_POSTFIELDSIZE,
> strlen(postdata)))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_USERPWD, userpwd))
> CHECKCC(curl_easy_setopt(pcurl, CURLOPT_WRITEFUNCTION, write_data))
> CHECKCC(curl_easy_perform(pcurl))
> curl_slist_free_all(slist);
> }
>
Received on 2005-12-21