Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

216 lines (177 sloc) 5.453 kb
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, 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.
*
***************************************************************************/
#include "setup.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include "urldata.h"
#include "share.h"
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
CURLSH *
curl_share_init(void)
{
struct Curl_share *share = calloc(1, sizeof(struct Curl_share));
if(share)
share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
return share;
}
#undef curl_share_setopt
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_mk_dnscache();
if(!share->hostcache)
return CURLSHE_NOMEM;
}
break;
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
case CURL_LOCK_DATA_COOKIE:
if(!share->cookies) {
share->cookies = Curl_cookie_init(NULL, NULL, NULL, TRUE );
if(!share->cookies)
return CURLSHE_NOMEM;
}
break;
#endif /* CURL_DISABLE_HTTP */
case CURL_LOCK_DATA_SSL_SESSION: /* not supported (yet) */
case CURL_LOCK_DATA_CONNECT: /* not supported (yet) */
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;
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
case CURL_LOCK_DATA_COOKIE:
if(share->cookies) {
Curl_cookie_cleanup(share->cookies);
share->cookies = NULL;
}
break;
#endif /* CURL_DISABLE_HTTP */
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 == NULL)
return CURLSHE_INVALID;
if(share->lockfunc)
share->lockfunc(NULL, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE,
share->clientdata);
if(share->dirty) {
if(share->unlockfunc)
share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
return CURLSHE_IN_USE;
}
if(share->hostcache) {
Curl_hash_destroy(share->hostcache);
share->hostcache = NULL;
}
if(share->cookies)
Curl_cookie_cleanup(share->cookies);
if(share->unlockfunc)
share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
free(share);
return CURLSHE_OK;
}
CURLSHcode
Curl_share_lock(struct SessionHandle *data, curl_lock_data type,
curl_lock_access accesstype)
{
struct Curl_share *share = data->share;
if(share == NULL)
return CURLSHE_INVALID;
if(share->specifier & (1<<type)) {
if(share->lockfunc) /* only call this if set! */
share->lockfunc(data, type, accesstype, 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)) {
if(share->unlockfunc) /* only call this if set! */
share->unlockfunc (data, type, share->clientdata);
}
return CURLSHE_OK;
}
Jump to Line
Something went wrong with that request. Please try again.