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Annotation of fam/fam/InternalClient.h, Revision 1.1.1.1

1.1       trev        1: //  Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
                      2: //
                      3: //  This program is free software; you can redistribute it and/or modify it
                      4: //  under the terms of version 2 of the GNU General Public License as
                      5: //  published by the Free Software Foundation.
                      6: //
                      7: //  This program is distributed in the hope that it would be useful, but
                      8: //  WITHOUT ANY WARRANTY; without even the implied warranty of
                      9: //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Further, any
                     10: //  license provided herein, whether implied or otherwise, is limited to
                     11: //  this program in accordance with the express provisions of the GNU
                     12: //  General Public License.  Patent licenses, if any, provided herein do not
                     13: //  apply to combinations of this program with other product or programs, or
                     14: //  any other product whatsoever.  This program is distributed without any
                     15: //  warranty that the program is delivered free of the rightful claim of any
                     16: //  third person by way of infringement or the like.  See the GNU General
                     17: //  Public License for more details.
                     18: //
                     19: //  You should have received a copy of the GNU General Public License along
                     20: //  with this program; if not, write the Free Software Foundation, Inc., 59
                     21: //  Temple Place - Suite 330, Boston MA 02111-1307, USA.
                     22:
                     23: #ifndef InternalClient_included
                     24: #define InternalClient_included
                     25:
                     26: #include "Client.h"
                     27:
                     28: class ClientInterest;
                     29:
                     30: //  An InternalClient is a hook for fam to use itself to monitor files.
                     31: //  It's used to monitor /etc/exports and /etc/mtab, and possibly others.
                     32: //
                     33: //  An InternalClient monitors a single file and calls a callback function
                     34: //  with any events received.  An InternalClient cannot monitor a directory.
                     35:
                     36: class InternalClient : public Client {
                     37:
                     38: public:
                     39:
                     40:     typedef void (*EventHandler)(const Event&, void *closure);
                     41:
                     42:     InternalClient(const char *filename, EventHandler, void *closure);
                     43:     ~InternalClient();
                     44:
                     45:     bool ready_for_events();
                     46:     void post_event(const Event&, Request, const char *name);
                     47:     void enqueue_for_scan(Interest *);
                     48:     void dequeue_from_scan(Interest *);
                     49:     void enqueue_scanner(Scanner *);
                     50:
                     51: private:
                     52:
                     53:     EventHandler handler;
                     54:     void *closure;
                     55:     ClientInterest *interest;
                     56:
                     57: };
                     58:
                     59: #endif /* !InternalClient_included */