Port to CMake, get rid of os_int.h.

[stg.git] / stargazer / plugin_mgr.cpp

diff --git a/stargazer/plugin_mgr.cpp b/stargazer/plugin_mgr.cpp
new file mode 100644 (file)
index 0000000..85215c7
--- /dev/null
+++ b/stargazer/plugin_mgr.cpp
@@ -0,0 +1,150 @@
+/*
+ *    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>
+ */
+
+#include "plugin_mgr.h"
+
+#include "plugin_runner.h"
+
+#include "admins_impl.h"
+#include "tariffs_impl.h"
+#include "services_impl.h"
+#include "corps_impl.h"
+#include "users_impl.h"
+#include "traffcounter_impl.h"
+#include "settings_impl.h"
+
+#include "stg/logger.h"
+
+using STG::PluginManager;
+
+namespace
+{
+
+bool StartModCmp(const PLUGIN_RUNNER * lhs, const PLUGIN_RUNNER * rhs)
+{
+    return lhs->GetStartPosition() < rhs->GetStartPosition();
+}
+
+bool StopModCmp(const PLUGIN_RUNNER * lhs, const PLUGIN_RUNNER * rhs)
+{
+    return lhs->GetStopPosition() > rhs->GetStopPosition();
+}
+
+} // namespace anonymous
+
+PluginManager::PluginManager(const SETTINGS_IMPL& settings,
+                             STORE& store, ADMINS_IMPL& admins, TARIFFS_IMPL& tariffs,
+                             SERVICES_IMPL& services, CORPORATIONS_IMPL& corporations,
+                             USERS_IMPL& users, TRAFFCOUNTER_IMPL& traffcounter)
+    : m_log(GetStgLogger())
+{
+    std::string basePath = settings.GetModulesPath();
+    const std::vector<MODULE_SETTINGS> & modSettings(settings.GetModulesSettings());
+    for (size_t i = 0; i < modSettings.size(); i++)
+    {
+        std::string moduleName = modSettings[i].moduleName;
+        std::string modulePath = basePath + "/mod_" + moduleName + ".so";
+        printfd(__FILE__, "Module: %s\n", modulePath.c_str());
+        try
+        {
+            m_modules.push_back(
+                new PLUGIN_RUNNER(modulePath, moduleName, modSettings[i], admins, tariffs,
+                                  users, services, corporations, traffcounter,
+                                  store, settings)
+            );
+        }
+        catch (const PLUGIN_RUNNER::Error & ex)
+        {
+            m_log(ex.what());
+            printfd(__FILE__, "%s\n", ex.what());
+            // TODO: React
+        }
+    }
+    std::sort(m_modules.begin(), m_modules.end(), StartModCmp);
+    for (size_t i = 0; i < m_modules.size(); ++i)
+    {
+        PLUGIN & plugin = m_modules[i]->GetPlugin();
+        if (m_modules[i]->Start())
+        {
+            m_log("Failed to start module '%s': '%s'", plugin.GetVersion().c_str(),
+                                                       plugin.GetStrError().c_str());
+            printfd(__FILE__, "Failed to start module '%s': '%s'\n", plugin.GetVersion().c_str(),
+                                                                   plugin.GetStrError().c_str());
+        }
+        else
+        {
+            m_log("Module '%s' started successfully.", plugin.GetVersion().c_str());
+            printfd(__FILE__, "Module '%s' started successfully.\n", plugin.GetVersion().c_str());
+        }
+    }
+}
+
+PluginManager::~PluginManager()
+{
+    stop();
+    for (size_t i = 0; i < m_modules.size(); ++i)
+        delete m_modules[i];
+}
+
+void PluginManager::reload(const SETTINGS_IMPL& settings)
+{
+    const std::vector<MODULE_SETTINGS> & modSettings(settings.GetModulesSettings());
+    for (size_t i = 0; i < m_modules.size(); ++i)
+    {
+        for (size_t j = 0; j < modSettings.size(); j++)
+        {
+            if (modSettings[j].moduleName == m_modules[i]->GetName())
+            {
+                PLUGIN & plugin = m_modules[i]->GetPlugin();
+                if (m_modules[i]->Reload(modSettings[j]))
+                {
+                    m_log("Error reloading module '%s': '%s'", plugin.GetVersion().c_str(),
+                                                               plugin.GetStrError().c_str());
+                    printfd(__FILE__, "Error reloading module '%s': '%s'\n", plugin.GetVersion().c_str(),
+                                                                             plugin.GetStrError().c_str());
+                }
+                break;
+            }
+        }
+    }
+}
+
+void PluginManager::stop()
+{
+    std::sort(m_modules.begin(), m_modules.end(), StopModCmp);
+    for (size_t i = 0; i < m_modules.size(); ++i)
+    {
+        if (!m_modules[i]->IsRunning())
+            continue;
+        PLUGIN & plugin = m_modules[i]->GetPlugin();
+        if (m_modules[i]->Stop())
+        {
+            m_log("Failed to stop module '%s': '%s'", plugin.GetVersion().c_str(),
+                                                      plugin.GetStrError().c_str());
+            printfd(__FILE__, "Failed to stop module '%s': '%s'\n", plugin.GetVersion().c_str(),
+                                                                    plugin.GetStrError().c_str());
+        }
+        else
+        {
+            m_log("Module '%s' stopped successfully.", plugin.GetVersion().c_str());
+            printfd(__FILE__, "Module '%s' stopped successfully.\n", plugin.GetVersion().c_str());
+        }
+    }
+}