quakeforge/qw/source/cl_http.c

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/*
#FILENAME#
#DESCRIPTION#
Copyright (C) 2007 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id: template.c 11394 2007-03-17 03:23:39Z taniwha $";
#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#include "QF/dstring.h"
#include "QF/sys.h"
#include "cl_http.h"
#include "cl_parse.h"
#include "client.h"
static int curl_borked;
static CURL *easy_handle;
static CURLM *multi_handle;
static int
http_progress (void *clientp, double dltotal, double dlnow,
double ultotal, double uplow)
{
return 0; //non-zero = abort
}
static size_t
http_write (void *ptr, size_t size, size_t nmemb, void *stream)
{
if (!cls.download) {
Sys_Printf ("http_write: unexpected call\n");
return -1;
}
return Qwrite (cls.download, ptr, size * nmemb);
}
void
CL_HTTP_Init (void)
{
if ((curl_borked = curl_global_init (CURL_GLOBAL_NOTHING)))
return;
multi_handle = curl_multi_init ();
}
void
CL_HTTP_Shutdown (void)
{
if (curl_borked)
return;
curl_multi_cleanup (multi_handle);
curl_global_cleanup ();
}
void
CL_HTTP_StartDownload (void)
{
easy_handle = curl_easy_init ();
curl_easy_setopt (easy_handle, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt (easy_handle, CURLOPT_NOSIGNAL, 1L);
curl_easy_setopt (easy_handle, CURLOPT_PROGRESSFUNCTION, http_progress);
curl_easy_setopt (easy_handle, CURLOPT_WRITEFUNCTION, http_write);
curl_easy_setopt (easy_handle, CURLOPT_URL, cls.downloadurl->str);
curl_multi_add_handle (multi_handle, easy_handle);
}
void
CL_HTTP_Update (void)
{
int running_handles;
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int messages_in_queue;
CURLMsg *msg;
curl_multi_perform (multi_handle, &running_handles);
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while ((msg = curl_multi_info_read (multi_handle, &messages_in_queue))) {
if (msg->msg == CURLMSG_DONE) {
long response_code;
curl_easy_getinfo (msg->easy_handle, CURLINFO_RESPONSE_CODE,
&response_code);
if (response_code == 200) {
CL_FinishDownload ();
} else {
Sys_Printf ("download failed: %ld\n", response_code);
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CL_FailDownload ();
}
curl_multi_remove_handle (multi_handle, easy_handle);
}
}
}
void
CL_HTTP_Reset (void)
{
curl_multi_remove_handle (multi_handle, easy_handle);
curl_easy_cleanup (easy_handle);
easy_handle = 0;
}
#else
#include "cl_http.h"
void CL_HTTP_Init (void) {}
void CL_HTTP_Shutdown (void) {}
void CL_HTTP_StartDownload (void) {}
void CL_HTTP_Update (void) {}
void CL_HTTP_Reset (void) {}
#endif