remove ceph code

[stor4nfv.git] / src / ceph / src / common / DecayCounter.cc

diff --git a/src/ceph/src/common/DecayCounter.cc b/src/ceph/src/common/DecayCounter.cc
deleted file mode 100644 (file)
index 67a129c..0000000
--- a/src/ceph/src/common/DecayCounter.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation.  See file COPYING.
- *
- */
-
-#include "DecayCounter.h"
-#include "Formatter.h"
-
-void DecayCounter::encode(bufferlist& bl) const
-{
-  ENCODE_START(4, 4, bl);
-  ::encode(val, bl);
-  ::encode(delta, bl);
-  ::encode(vel, bl);
-  ENCODE_FINISH(bl);
-}
-
-void DecayCounter::decode(const utime_t &t, bufferlist::iterator &p)
-{
-  DECODE_START_LEGACY_COMPAT_LEN(4, 4, 4, p);
-  if (struct_v < 2) {
-    double half_life;
-    ::decode(half_life, p);
-  }
-  if (struct_v < 3) {
-    double k;
-    ::decode(k, p);
-  }
-  ::decode(val, p);
-  ::decode(delta, p);
-  ::decode(vel, p);
-  DECODE_FINISH(p);
-}
-
-void DecayCounter::dump(Formatter *f) const
-{
-  f->dump_float("value", val);
-  f->dump_float("delta", delta);
-  f->dump_float("velocity", vel);
-}
-
-void DecayCounter::generate_test_instances(list<DecayCounter*>& ls)
-{
-  utime_t fake_time;
-  DecayCounter *counter = new DecayCounter(fake_time);
-  counter->val = 3.0;
-  counter->delta = 2.0;
-  counter->vel = 1.0;
-  ls.push_back(counter);
-  counter = new DecayCounter(fake_time);
-  ls.push_back(counter);
-}
-
-void DecayCounter::decay(utime_t now, const DecayRate &rate)
-{
-  utime_t el = now;
-  el -= last_decay;
-
-  if (el.sec() >= 1) {
-    // calculate new value
-    double newval = (val+delta) * exp((double)el * rate.k);
-    if (newval < .01)
-      newval = 0.0;
-
-    // calculate velocity approx
-    vel += (newval - val) * (double)el;
-    vel *= exp((double)el * rate.k);
-
-    val = newval;
-    delta = 0;
-    last_decay = now;
-  }
-}