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54a4ac5469
git-svn-id: https://unknownworlds.svn.cloudforge.com/ns1@85 67975925-1194-0748-b3d5-c16f83f1a3a1
181 lines
4.2 KiB
C
181 lines
4.2 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id: share.c,v 1.8 2003/02/06 19:28:17 bagder Exp $
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***************************************************************************/
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#include "setup.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <curl/curl.h>
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#include "urldata.h"
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#include "share.h"
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/* The last #include file should be: */
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#ifdef MALLOCDEBUG
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#include "memdebug.h"
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#endif
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CURLSH *
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curl_share_init(void)
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{
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struct Curl_share *share =
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(struct Curl_share *)malloc(sizeof(struct Curl_share));
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if (share)
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memset (share, 0, sizeof(struct Curl_share));
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return share;
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}
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CURLSHcode
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curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
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{
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struct Curl_share *share = (struct Curl_share *)sh;
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va_list param;
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int type;
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curl_lock_function lockfunc;
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curl_unlock_function unlockfunc;
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void *ptr;
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if (share->dirty)
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/* don't allow setting options while one or more handles are already
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using this share */
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return CURLSHE_IN_USE;
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va_start(param, option);
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switch(option) {
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case CURLSHOPT_SHARE:
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/* this is a type this share will share */
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type = va_arg(param, int);
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share->specifier |= (1<<type);
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switch( type )
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{
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case CURL_LOCK_DATA_DNS:
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if (!share->hostcache) {
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share->hostcache = Curl_hash_alloc(7, Curl_freednsinfo);
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}
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break;
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case CURL_LOCK_DATA_COOKIE:
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break;
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case CURL_LOCK_DATA_SSL_SESSION:
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break;
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case CURL_LOCK_DATA_CONNECT:
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break;
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default:
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return CURLSHE_BAD_OPTION;
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}
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break;
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case CURLSHOPT_UNSHARE:
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/* this is a type this share will no longer share */
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type = va_arg(param, int);
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share->specifier &= ~(1<<type);
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switch( type )
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{
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case CURL_LOCK_DATA_DNS:
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if (share->hostcache) {
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Curl_hash_destroy(share->hostcache);
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share->hostcache = NULL;
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}
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break;
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case CURL_LOCK_DATA_COOKIE:
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break;
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case CURL_LOCK_DATA_SSL_SESSION:
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break;
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case CURL_LOCK_DATA_CONNECT:
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break;
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default:
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return CURLSHE_BAD_OPTION;
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}
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break;
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case CURLSHOPT_LOCKFUNC:
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lockfunc = va_arg(param, curl_lock_function);
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share->lockfunc = lockfunc;
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break;
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case CURLSHOPT_UNLOCKFUNC:
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unlockfunc = va_arg(param, curl_unlock_function);
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share->unlockfunc = unlockfunc;
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break;
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case CURLSHOPT_USERDATA:
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ptr = va_arg(param, void *);
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share->clientdata = ptr;
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break;
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default:
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return CURLSHE_BAD_OPTION;
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}
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return CURLSHE_OK;
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}
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CURLSHcode curl_share_cleanup(CURLSH *sh)
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{
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struct Curl_share *share = (struct Curl_share *)sh;
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if (share->dirty)
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return CURLSHE_IN_USE;
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free (share);
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return CURLSHE_OK;
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}
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CURLSHcode
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Curl_share_lock(struct SessionHandle *data, curl_lock_data type, curl_lock_access access)
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{
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struct Curl_share *share = data->share;
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if (share == NULL)
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return CURLSHE_INVALID;
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if(share->specifier & (1<<type)) {
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share->lockfunc (data, type, access, share->clientdata);
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}
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/* else if we don't share this, pretend successful lock */
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return CURLSHE_OK;
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}
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CURLSHcode
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Curl_share_unlock(struct SessionHandle *data, curl_lock_data type)
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{
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struct Curl_share *share = data->share;
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if (share == NULL)
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return CURLSHE_INVALID;
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if(share->specifier & (1<<type)) {
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share->unlockfunc (data, type, share->clientdata);
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}
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return CURLSHE_OK;
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}
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