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/*********************************************************
* Copyright (C) 2009-2015 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no 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 Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
#ifndef _HGFS_DIRNOTIFY_H
#define _HGFS_DIRNOTIFY_H
/*
* hgfsDirNotify.h --
*
* Function definitions for directory change notification.
*/
#include "hgfsServer.h" // for HgfsSharedFolderHandle
#include "hgfsProto.h" // for HgfsSubscriberHandle
#include "hgfsUtil.h" // for HgfsInternalStatus
struct HgfsSessionInfo;
/*
* Activate and deactivate reason.
* Currently, there are two scenarios:
* 1) HGFS server is check point synchronizing: the file system event
* generation is deactivated at the start and activated at the end.
* 2) The client has added the first subscriber or removed the last
* subscriber. The file system event generation is activated on the
* addition of the first subscriber and deactivated on removal of
* the last one.
*
* Note, in case 1 above, if there are no subscribers even at the end
* of the HGFS server check point syncing, the activation will not
* activate the file system events.
*/
typedef enum {
HGFS_NOTIFY_REASON_SERVER_SYNC,
HGFS_NOTIFY_REASON_SUBSCRIBERS,
} HgfsNotifyActivateReason;
/* This is a callback that is implemented in hgfsServer.c */
typedef void HgfsNotifyEventReceiveCb(HgfsSharedFolderHandle sharedFolder,
HgfsSubscriberHandle subscriber,
char *name,
uint32 mask,
struct HgfsSessionInfo *session);
HgfsInternalStatus HgfsNotify_Init(void);
void HgfsNotify_Exit(void);
void HgfsNotify_Deactivate(HgfsNotifyActivateReason mode);
void HgfsNotify_Activate(HgfsNotifyActivateReason mode);
HgfsSharedFolderHandle HgfsNotify_AddSharedFolder(const char *path,
const char *shareName);
HgfsSubscriberHandle HgfsNotify_AddSubscriber(HgfsSharedFolderHandle sharedFolder,
const char *path,
uint32 eventFilter,
uint32 recursive,
HgfsNotifyEventReceiveCb notify,
struct HgfsSessionInfo *session);
Bool HgfsNotify_RemoveSharedFolder(HgfsSharedFolderHandle sharedFolder);
Bool HgfsNotify_RemoveSubscriber(HgfsSubscriberHandle subscriber);
void HgfsNotify_RemoveSessionSubscribers(struct HgfsSessionInfo *session);
#endif // _HGFS_DIRNOTIFY_H
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