int wswcurl_header( wswcurl_req *req, const char *key, const char *value, ...)
{
char buf[1024], *ptr;
va_list arg;
if (req->status) return -1;
if (!req->curl) return -2;
Q_snprintfz(buf, sizeof(buf), "%s: ", key);
ptr = &buf[strlen(buf)];
va_start(arg, value);
Q_vsnprintfz(ptr, (sizeof(buf) - (ptr - buf)), value, arg);
va_end(arg);
req->txhead = qcurl_slist_append(req->txhead, buf);
return (req->txhead == NULL);
}
/*
====================
CheckPendingDownloads
checks if there are free download slots to start new downloads in.
To not start too many downloads at once, only one download is added at a time,
up to a maximum number of cl_curl_maxdownloads are running.
====================
*/
static void CheckPendingDownloads(void)
{
const char *h;
if(!curl_dll)
return;
if(numdownloads < cl_curl_maxdownloads.integer)
{
downloadinfo *di;
for(di = downloads; di; di = di->next)
{
if(!di->started)
{
if(!di->buffer)
{
Con_Printf("Downloading %s -> %s", CleanURL(di->url), di->filename);
di->stream = FS_OpenRealFile(di->filename, "ab", false);
if(!di->stream)
{
Con_Printf("\nFAILED: Could not open output file %s\n", di->filename);
Curl_EndDownload(di, CURL_DOWNLOAD_FAILED, CURLE_OK);
return;
}
FS_Seek(di->stream, 0, SEEK_END);
di->startpos = FS_Tell(di->stream);
if(di->startpos > 0)
Con_Printf(", resuming from position %ld", (long) di->startpos);
Con_Print("...\n");
}
else
{
Con_DPrintf("Downloading %s -> memory\n", CleanURL(di->url));
di->startpos = 0;
}
di->curle = qcurl_easy_init();
di->slist = NULL;
qcurl_easy_setopt(di->curle, CURLOPT_URL, di->url);
qcurl_easy_setopt(di->curle, CURLOPT_USERAGENT, engineversion);
qcurl_easy_setopt(di->curle, CURLOPT_REFERER, di->referer);
qcurl_easy_setopt(di->curle, CURLOPT_RESUME_FROM, (long) di->startpos);
qcurl_easy_setopt(di->curle, CURLOPT_FOLLOWLOCATION, 1);
qcurl_easy_setopt(di->curle, CURLOPT_WRITEFUNCTION, CURL_fwrite);
qcurl_easy_setopt(di->curle, CURLOPT_LOW_SPEED_LIMIT, (long) 256);
qcurl_easy_setopt(di->curle, CURLOPT_LOW_SPEED_TIME, (long) 45);
qcurl_easy_setopt(di->curle, CURLOPT_WRITEDATA, (void *) di);
qcurl_easy_setopt(di->curle, CURLOPT_PRIVATE, (void *) di);
qcurl_easy_setopt(di->curle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS | CURLPROTO_FTP);
if(qcurl_easy_setopt(di->curle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS | CURLPROTO_FTP) != CURLE_OK)
{
Con_Printf("^1WARNING:^7 for security reasons, please upgrade to libcurl 7.19.4 or above. In a later version of DarkPlaces, HTTP redirect support will be disabled for this libcurl version.\n");
//qcurl_easy_setopt(di->curle, CURLOPT_FOLLOWLOCATION, 0);
}
if(di->post_content_type)
{
qcurl_easy_setopt(di->curle, CURLOPT_POST, 1);
qcurl_easy_setopt(di->curle, CURLOPT_POSTFIELDS, di->postbuf);
qcurl_easy_setopt(di->curle, CURLOPT_POSTFIELDSIZE, di->postbufsize);
di->slist = qcurl_slist_append(di->slist, va("Content-Type: %s", di->post_content_type));
}
// parse extra headers into slist
// \n separated list!
h = di->extraheaders;
while(h)
{
const char *hh = strchr(h, '\n');
if(hh)
{
char *buf = (char *) Mem_Alloc(tempmempool, hh - h + 1);
memcpy(buf, h, hh - h);
buf[hh - h] = 0;
di->slist = qcurl_slist_append(di->slist, buf);
h = hh + 1;
}
else
{
di->slist = qcurl_slist_append(di->slist, h);
h = NULL;
}
}
qcurl_easy_setopt(di->curle, CURLOPT_HTTPHEADER, di->slist);
qcurl_multi_add_handle(curlm, di->curle);
di->started = true;
++numdownloads;
if(numdownloads >= cl_curl_maxdownloads.integer)
break;
}
}
}
}
