Port to CMake, get rid of os_int.h.

[stg.git] / stargazer / plugins / other / rscript / ur_functor.h

diff --git a/stargazer/plugins/other/rscript/ur_functor.h b/stargazer/plugins/other/rscript/ur_functor.h
new file mode 100644 (file)
index 0000000..95b03ea
--- /dev/null
+++ b/stargazer/plugins/other/rscript/ur_functor.h
@@ -0,0 +1,89 @@
+/*
+ *    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  02111-1307  USA
+ */
+
+/*
+ *    Author : Maxim Mamontov <faust@stargazer.dp.ua>
+ */
+
+#ifndef __UR_FUNCTOR_H__
+#define __UR_FUNCTOR_H__
+
+#include "rscript.h"
+
+#include "stg/common.h"
+
+#include <functional>
+#include <algorithm>
+#include <utility>
+#include <cstdint>
+
+namespace RS
+{
+
+class UpdateRouter : public std::unary_function<std::pair<const uint32_t, RS::USER>, void>
+{
+public:
+    explicit UpdateRouter(REMOTE_SCRIPT & t)
+        : obj(t) {}
+
+    void operator() (std::pair<const uint32_t, USER> & val)
+        {
+        std::vector<uint32_t> newRouters = obj.IP2Routers(val.second.ip);
+        std::vector<uint32_t>::const_iterator oldIt(val.second.routers.begin());
+        std::vector<uint32_t>::const_iterator newIt(newRouters.begin());
+        val.second.shortPacketsCount = 0;
+        while (oldIt != val.second.routers.end() ||
+               newIt != newRouters.end())
+            {
+            if (oldIt == val.second.routers.end())
+                {
+                if (newIt != newRouters.end())
+                    {
+                    obj.SendDirect(val.second, *newIt); // Connect on new router
+                    ++newIt;
+                    }
+                }
+            else if (newIt == newRouters.end())
+                {
+                obj.SendDirect(val.second, *oldIt, true); // Disconnect on old router
+                ++oldIt;
+                }
+            else if (*oldIt < *newIt)
+                {
+                obj.SendDirect(val.second, *oldIt, true); // Disconnect on old router
+                ++oldIt;
+                }
+            else if (*oldIt > *newIt)
+                {
+                obj.SendDirect(val.second, *newIt); // Connect on new router
+                ++newIt;
+                }
+            else
+                {
+                ++oldIt;
+                if (newIt != newRouters.end())
+                    ++newIt;
+                }
+            }
+        val.second.routers = newRouters;
+        }
+private:
+    REMOTE_SCRIPT & obj;
+};
+
+} // namespace RS
+
+#endif