src/Store.cci

   1 /*
   2  * DEBUG: section 20    Storage Manager
   3  * AUTHOR: Harvest Derived
   4  *
   5  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   6  * ----------------------------------------------------------
   7  *
   8  *  Squid is the result of efforts by numerous individuals from
   9  *  the Internet community; see the CONTRIBUTORS file for full
  10  *  details.   Many organizations have provided support for Squid's
  11  *  development; see the SPONSORS file for full details.  Squid is
  12  *  Copyrighted (C) 2001 by the Regents of the University of
  13  *  California; see the COPYRIGHT file for full details.  Squid
  14  *  incorporates software developed and/or copyrighted by other
  15  *  sources; see the CREDITS file for full details.
  16  *
  17  *  This program is free software; you can redistribute it and/or modify
  18  *  it under the terms of the GNU General Public License as published by
  19  *  the Free Software Foundation; either version 2 of the License, or
  20  *  (at your option) any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful,
  23  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  *  GNU General Public License for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software
  29  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  30  *
  31  */
  32
  33 #include "MemObject.h"
  34 #include "HttpReply.h"
  35
  36 /**
  37  \retval true   Store contains 0 bytes of data.
  38  \retval false  Store contains 1 or more bytes of data.
  39  \retval false  Store contains negative content !!!!!!
  40  */
  41 bool
  42 StoreEntry::isEmpty () const
  43 {
  44     assert (mem_obj);
  45     return mem_obj->endOffset() == 0;
  46 }
  47
  48 /// \retval * - Always NULL for 'null' filesystem.
  49 HttpReply const *
  50 NullStoreEntry::getReply() const
  51 {
  52     return NULL;
  53 }
  54
  55 /// \retval N/A         Kills squid with fatal error if called before Store Root is set.
  56 Store &
  57 Store::Root()
  58 {
  59     if (CurrentRoot == NULL)
  60         fatal("No Store Root has been set");
  61
  62     return *CurrentRoot;
  63 }