183 lines
4.2 KiB
C
183 lines
4.2 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2003, 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 http://curl.haxx.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.
|
|
*
|
|
* $Id$
|
|
***************************************************************************/
|
|
|
|
#include "setup.h"
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <curl/curl.h>
|
|
#include "urldata.h"
|
|
#include "share.h"
|
|
|
|
/* The last #include file should be: */
|
|
#ifdef CURLDEBUG
|
|
#include "memdebug.h"
|
|
#endif
|
|
|
|
CURLSH *
|
|
curl_share_init(void)
|
|
{
|
|
struct Curl_share *share =
|
|
(struct Curl_share *)malloc(sizeof(struct Curl_share));
|
|
if (share)
|
|
memset (share, 0, sizeof(struct Curl_share));
|
|
|
|
return share;
|
|
}
|
|
|
|
CURLSHcode
|
|
curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
|
|
{
|
|
struct Curl_share *share = (struct Curl_share *)sh;
|
|
va_list param;
|
|
int type;
|
|
curl_lock_function lockfunc;
|
|
curl_unlock_function unlockfunc;
|
|
void *ptr;
|
|
|
|
if (share->dirty)
|
|
/* don't allow setting options while one or more handles are already
|
|
using this share */
|
|
return CURLSHE_IN_USE;
|
|
|
|
va_start(param, option);
|
|
|
|
switch(option) {
|
|
case CURLSHOPT_SHARE:
|
|
/* this is a type this share will share */
|
|
type = va_arg(param, int);
|
|
share->specifier |= (1<<type);
|
|
switch( type )
|
|
{
|
|
case CURL_LOCK_DATA_DNS:
|
|
if (!share->hostcache) {
|
|
share->hostcache = Curl_hash_alloc(7, Curl_freednsinfo);
|
|
}
|
|
break;
|
|
|
|
case CURL_LOCK_DATA_COOKIE:
|
|
break;
|
|
|
|
case CURL_LOCK_DATA_SSL_SESSION:
|
|
break;
|
|
|
|
case CURL_LOCK_DATA_CONNECT:
|
|
break;
|
|
|
|
default:
|
|
return CURLSHE_BAD_OPTION;
|
|
}
|
|
break;
|
|
|
|
case CURLSHOPT_UNSHARE:
|
|
/* this is a type this share will no longer share */
|
|
type = va_arg(param, int);
|
|
share->specifier &= ~(1<<type);
|
|
switch( type )
|
|
{
|
|
case CURL_LOCK_DATA_DNS:
|
|
if (share->hostcache) {
|
|
Curl_hash_destroy(share->hostcache);
|
|
share->hostcache = NULL;
|
|
}
|
|
break;
|
|
|
|
case CURL_LOCK_DATA_COOKIE:
|
|
break;
|
|
|
|
case CURL_LOCK_DATA_SSL_SESSION:
|
|
break;
|
|
|
|
case CURL_LOCK_DATA_CONNECT:
|
|
break;
|
|
|
|
default:
|
|
return CURLSHE_BAD_OPTION;
|
|
}
|
|
break;
|
|
|
|
case CURLSHOPT_LOCKFUNC:
|
|
lockfunc = va_arg(param, curl_lock_function);
|
|
share->lockfunc = lockfunc;
|
|
break;
|
|
|
|
case CURLSHOPT_UNLOCKFUNC:
|
|
unlockfunc = va_arg(param, curl_unlock_function);
|
|
share->unlockfunc = unlockfunc;
|
|
break;
|
|
|
|
case CURLSHOPT_USERDATA:
|
|
ptr = va_arg(param, void *);
|
|
share->clientdata = ptr;
|
|
break;
|
|
|
|
default:
|
|
return CURLSHE_BAD_OPTION;
|
|
}
|
|
|
|
return CURLSHE_OK;
|
|
}
|
|
|
|
CURLSHcode curl_share_cleanup(CURLSH *sh)
|
|
{
|
|
struct Curl_share *share = (struct Curl_share *)sh;
|
|
if (share->dirty)
|
|
return CURLSHE_IN_USE;
|
|
|
|
free (share);
|
|
|
|
return CURLSHE_OK;
|
|
}
|
|
|
|
|
|
CURLSHcode
|
|
Curl_share_lock(struct SessionHandle *data, curl_lock_data type, curl_lock_access access)
|
|
{
|
|
struct Curl_share *share = data->share;
|
|
|
|
if (share == NULL)
|
|
return CURLSHE_INVALID;
|
|
|
|
if(share->specifier & (1<<type)) {
|
|
share->lockfunc (data, type, access, share->clientdata);
|
|
}
|
|
/* else if we don't share this, pretend successful lock */
|
|
|
|
return CURLSHE_OK;
|
|
}
|
|
|
|
CURLSHcode
|
|
Curl_share_unlock(struct SessionHandle *data, curl_lock_data type)
|
|
{
|
|
struct Curl_share *share = data->share;
|
|
|
|
if (share == NULL)
|
|
return CURLSHE_INVALID;
|
|
|
|
if(share->specifier & (1<<type)) {
|
|
share->unlockfunc (data, type, share->clientdata);
|
|
}
|
|
|
|
return CURLSHE_OK;
|
|
}
|