-
/*
- * DEBUG: section 39 Peer source hash based selection
- * AUTHOR: Henrik Nordstrom
- * BASED ON: carp.cc
- *
- * 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) 1996-2018 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 39 Peer source hash based selection */
+
#include "squid.h"
#include "CachePeer.h"
#include "HttpRequest.h"
#include "SquidConfig.h"
#include "Store.h"
-#if HAVE_MATH_H
-#include <math.h>
-#endif
+#include <cmath>
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
*/
K = n_sourcehash_peers;
- P_last = 0.0; /* Empty P_0 */
+ P_last = 0.0; /* Empty P_0 */
- Xn = 1.0; /* Empty starting point of X_1 * X_2 * ... * X_{x-1} */
+ Xn = 1.0; /* Empty starting point of X_1 * X_2 * ... * X_{x-1} */
- X_last = 0.0; /* Empty X_0, nullifies the first pow statement */
+ X_last = 0.0; /* Empty X_0, nullifies the first pow statement */
for (k = 1; k <= K; ++k) {
double Kk1 = (double) (K - k + 1);
sumfetches ? (double) p->stats.fetches / sumfetches : -1.0);
}
}
+