cdesktopenv/cde/programs/dtmail/include/DtMail/FileShare.hh

108 lines
3.0 KiB
C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
*+SNOTICE
*
*
* $TOG: FileShare.hh /main/5 1997/04/29 16:45:06 mgreess $
*
* RESTRICTED CONFIDENTIAL INFORMATION:
*
* The information in this document is subject to special
* restrictions in a confidential disclosure agreement bertween
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
* document outside HP, IBM, Sun, USL, SCO, or Univel wihtout
* Sun's specific written approval. This documment and all copies
* and derivative works thereof must be returned or destroyed at
* Sun's request.
*
* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
*
*+ENOTICE
*/
#ifndef _FILESHARE_HH
#define _FILESHARE_HH
#include <DtMail/DtMail.hh>
#include <Tt/tt_c.h>
class FileShare : public DtCPlusPlusAllocator {
public:
FileShare(DtMailEnv & error,
DtMail::Session * session,
const char * path,
DtMailCallback cb_func,
void * clientData);
virtual ~FileShare(void);
void lockFile(DtMailEnv & error);
DtMailBoolean readOnly(DtMailEnv & error);
DtMailBoolean readWriteOverride(DtMailEnv & error);
private:
struct TTHandle : public DtCPlusPlusAllocator {
DtMail::Session *session;
DtMailObjectKey key;
FileShare * self;
};
DtMailObjectKey _key;
DtMail::Session *_session;
char *_path;
TTHandle *_tt_handle;
Tt_pattern *_file_pats;
DtMailBoolean _have_write_access;
DtMailBoolean _other_modified;
DtMailCallback _cb_func;
void *_cb_data;
enum PendingOp {
PENDING_LOCK = 1,
PENDING_SAVE = 2,
PENDING_DESTROY = 3
};
PendingOp _pending;
DtMailBoolean _outstanding;
DtMailBoolean isModified(DtMailEnv & error);
static Tt_message fileCB(Tt_message msg, Tttk_op op,
char * path, void *clientData, int same_euid,
int same_proc);
static Tt_callback_action mt_lock_cb(Tt_message m, Tt_pattern p);
static Tt_message fileRequestCB(Tt_message, Tttk_op,
char *, void *, int, int);
/* _mt_pattern is used to handle tlock and rulock messages from mailtool */
Tt_pattern _mt_pattern;
/* _mt_lock is DTM_TRUE is we use the mailtool locking protocol */
int _mt_lock;
};
#endif