+/* This file is part of the yazpp toolkit.
+ * Copyright (C) 1998-2009 Index Data and Mike Taylor
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Index Data nor the names of its contributors
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <yazpp/bw.h>
+#include <time.h>
+
+using namespace yazpp_1;
+
+Yaz_bw::Yaz_bw(int sz)
+{
+ m_sec = 0;
+ m_size = sz;
+ m_bucket = new int[m_size];
+ m_ptr = 0;
+}
+
+Yaz_bw::~Yaz_bw()
+{
+ delete [] m_bucket;
+}
+
+int Yaz_bw::get_total()
+{
+ add_bytes(0);
+ int bw = 0;
+ int i;
+ for (i = 0; i<m_size; i++)
+ bw += m_bucket[i];
+ return bw;
+}
+
+void Yaz_bw::add_bytes(int b)
+{
+ long now = time(0);
+
+ if (now >= m_sec)
+ {
+ int d = now - m_sec;
+ if (d > m_size)
+ d = m_size;
+ while (--d >= 0)
+ {
+ if (++m_ptr == m_size)
+ m_ptr = 0;
+ m_bucket[m_ptr] = 0;
+ }
+ m_bucket[m_ptr] += b;
+ }
+ m_sec = now;
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+