Implement limit filter (bug #2697, bug #2698)

[metaproxy-moved-to-github.git] / src / filter_limit.hpp

diff --git a/src/filter_limit.hpp b/src/filter_limit.hpp
new file mode 100644 (file)
index 0000000..3b5fd57
--- /dev/null
+++ b/src/filter_limit.hpp
@@ -0,0 +1,67 @@
+/* This file is part of Metaproxy.
+   Copyright (C) 2005-2009 Index Data
+
+Metaproxy 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, or (at your option) any later
+version.
+
+Metaproxy 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef FILTER_LIMIT_HPP
+#define FILTER_LIMIT_HPP
+
+#include <boost/scoped_ptr.hpp>
+
+#include "filter.hpp"
+
+namespace metaproxy_1 {
+    namespace filter {
+        class Limit : public Base {
+            class Impl;
+            class Ses;
+            boost::scoped_ptr<Impl> m_p;
+        public:
+            Limit();
+            ~Limit();
+            void process(metaproxy_1::Package & package) const;
+            void configure(const xmlNode * ptr, bool test_only);
+        };
+    }
+}
+
+extern "C" {
+    extern struct metaproxy_1_filter_struct metaproxy_1_filter_limit;
+}
+
+class Yaz_bw {
+ public:
+    Yaz_bw(int sz);
+    ~Yaz_bw();
+    void add_bytes(int m);
+    int get_total();
+ private:
+    long m_sec;   // time of most recent bucket
+    int *m_bucket;
+    int m_ptr;
+    int m_size;
+};
+#endif
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+