-
/*
- * $Id$
- *
- * DEBUG: section 20 Storage Manager Swapin Functions
- * AUTHOR: Duane Wessels
- *
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any 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
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
+/* DEBUG: section 20 Storage Manager Swapin Functions */
+
#include "squid.h"
-#include "StoreClient.h"
+#include "globals.h"
+#include "StatCounters.h"
#include "Store.h"
+#include "store_swapin.h"
+#include "StoreClient.h"
static StoreIOState::STIOCB storeSwapInFileClosed;
static StoreIOState::STFNCB storeSwapInFileNotify;
return;
}
- debugs(20, 3, "storeSwapInStart: called for : " << e->swap_dirn << " " <<
- std::hex << std::setw(8) << std::setfill('0') << std::uppercase <<
- e->swap_filen << " " << e->getMD5Text());
+ if (e->mem_status != NOT_IN_MEMORY)
+ debugs(20, 3, HERE << "already IN_MEMORY");
+
+ debugs(20, 3, *e << " " << e->getMD5Text());
- if (e->swap_status != SWAPOUT_WRITING && e->swap_status != SWAPOUT_DONE) {
- debugs(20, 1, "storeSwapInStart: bad swap_status (" << swapStatusStr[e->swap_status] << ")");
+ if (!e->hasDisk()) {
+ debugs(20, DBG_IMPORTANT, "BUG: Attempt to swap in a not-stored entry " << *e << ". Salvaged.");
return;
}
- if (e->swap_filen < 0) {
- debugs(20, 1, "storeSwapInStart: swap_filen < 0");
+ if (e->swapoutFailed()) {
+ debugs(20, DBG_IMPORTANT, "BUG: Attempt to swap in a failed-to-store entry " << *e << ". Salvaged.");
return;
}
assert(e->mem_obj != NULL);
- debugs(20, 3, "storeSwapInStart: Opening fileno " << std::hex << std::setw(8) << std::setfill('0') << std::uppercase << e->swap_filen);
sc->swapin_sio = storeOpen(e, storeSwapInFileNotify, storeSwapInFileClosed, sc);
}
static void
-storeSwapInFileClosed(void *data, int errflag, StoreIOState::Pointer self)
+storeSwapInFileClosed(void *data, int errflag, StoreIOState::Pointer)
{
store_client *sc = (store_client *)data;
debugs(20, 3, "storeSwapInFileClosed: sio=" << sc->swapin_sio.getRaw() << ", errflag=" << errflag);
sc->callback(0, errflag ? true : false);
}
- statCounter.swap.ins++;
+ ++statCounter.swap.ins;
}
static void
-storeSwapInFileNotify(void *data, int errflag, StoreIOState::Pointer self)
+storeSwapInFileNotify(void *data, int, StoreIOState::Pointer)
{
store_client *sc = (store_client *)data;
StoreEntry *e = sc->entry;
e->swap_dirn << " to " << sc->swapin_sio->swap_filen << "/" <<
sc->swapin_sio->swap_dirn);
+ assert(e->swap_filen < 0); // if this fails, call SwapDir::disconnect(e)
e->swap_filen = sc->swapin_sio->swap_filen;
e->swap_dirn = sc->swapin_sio->swap_dirn;
}
+