* Even more restructuring of the game library.

--HG--
branch : trunk

src/server/game/Maps/MapUpdater.cpp

@@ -0,0 +1,129 @@
+#include "MapUpdater.h"
+#include "DelayExecutor.h"
+#include "Map.h"
+#include "Database/DatabaseEnv.h"
+
+#include <ace/Guard_T.h>
+#include <ace/Method_Request.h>
+
+class WDBThreadStartReq1 : public ACE_Method_Request
+{
+    public:
+
+        WDBThreadStartReq1()
+        {
+        }
+
+        virtual int call()
+        {
+            WorldDatabase.ThreadStart();
+            return 0;
+        }
+};
+
+class WDBThreadEndReq1 : public ACE_Method_Request
+{
+    public:
+
+        WDBThreadEndReq1()
+        {
+        }
+
+        virtual int call()
+        {
+            WorldDatabase.ThreadEnd();
+            return 0;
+        }
+};
+
+class MapUpdateRequest : public ACE_Method_Request
+{
+    private:
+
+        Map& m_map;
+        MapUpdater& m_updater;
+        ACE_UINT32 m_diff;
+
+    public:
+
+        MapUpdateRequest(Map& m, MapUpdater& u, ACE_UINT32 d)
+            : m_map(m), m_updater(u), m_diff(d)
+        {
+        }
+
+        virtual int call()
+        {
+            m_map.Update (m_diff);
+            m_updater.update_finished ();
+            return 0;
+        }
+};
+
+MapUpdater::MapUpdater()
+    : m_mutex(), m_condition(m_mutex), m_executor(), pending_requests(0)
+{
+}
+
+MapUpdater::~MapUpdater()
+{
+    deactivate();
+}
+
+int MapUpdater::activate(size_t num_threads)
+{
+    return m_executor.activate((int)num_threads, new WDBThreadStartReq1, new WDBThreadEndReq1);
+}
+
+int MapUpdater::deactivate()
+{
+    wait();
+
+    return m_executor.deactivate();
+}
+
+int MapUpdater::wait()
+{
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, m_mutex, -1);
+
+    while (pending_requests > 0)
+        m_condition.wait();
+
+    return 0;
+}
+
+int MapUpdater::schedule_update(Map& map, ACE_UINT32 diff)
+{
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, m_mutex, -1);
+
+    ++pending_requests;
+
+    if (m_executor.execute(new MapUpdateRequest(map, *this, diff)) == -1)
+    {
+        ACE_DEBUG((LM_ERROR, ACE_TEXT("(%t) \n"), ACE_TEXT("Failed to schedule Map Update")));
+
+        --pending_requests;
+        return -1;
+    }
+
+    return 0;
+}
+
+bool MapUpdater::activated()
+{
+    return m_executor.activated();
+}
+
+void MapUpdater::update_finished()
+{
+    ACE_GUARD(ACE_Thread_Mutex, guard, m_mutex);
+
+    if (pending_requests == 0)
+    {
+        ACE_ERROR((LM_ERROR, ACE_TEXT("(%t)\n"), ACE_TEXT("MapUpdater::update_finished BUG, report to devs")));
+        return;
+    }
+
+    --pending_requests;
+
+    m_condition.broadcast();
+}