Renamed class Yaz_bw to TimeStat

[yazpp-moved-to-github.git] / src / timestat.cpp

diff --git a/src/timestat.cpp b/src/timestat.cpp
new file mode 100644 (file)
index 0000000..ce5def9
--- /dev/null
+++ b/src/timestat.cpp
@@ -0,0 +1,83 @@
+/* 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/timestat.h>
+
+using namespace yazpp_1;
+
+TimeStat::TimeStat(int sz)
+{
+    m_sec = 0;
+    m_size = sz;
+    m_bucket = new int[m_size];
+    m_ptr = 0;
+}
+
+TimeStat::~TimeStat()
+{
+    delete [] m_bucket;
+}
+
+int TimeStat::get_total()
+{
+    add_bytes(0);
+    int bw = 0;
+    int i;
+    for (i = 0; i<m_size; i++)
+        bw += m_bucket[i];
+    return bw;
+}
+
+void TimeStat::add_bytes(int b)
+{
+    time_t 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
+ */
+