Rework application class and framework

Make otclient's framework flexible enough to run console apps like
servers, so this mean is possible to build otclient versions without
graphical interface and use it's framework to code servers

src/framework/core/application.cpp

@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "application.h"
+#include <framework/core/clock.h>
+#include <framework/core/resourcemanager.h>
+#include <framework/core/modulemanager.h>
+#include <framework/core/eventdispatcher.h>
+#include <framework/core/configmanager.h>
+#include <framework/luaengine/luainterface.h>
+#include <framework/platform/crashhandler.h>
+
+#ifdef FW_NET
+#include <framework/net/connection.h>
+#endif
+
+void exitSignalHandler(int sig)
+{
+    static bool signaled = false;
+    switch(sig) {
+        case SIGTERM:
+        case SIGINT:
+            if(!signaled) {
+                signaled = true;
+                g_dispatcher.addEvent(std::bind(&Application::close, &g_app));
+            }
+            break;
+    }
+}
+
+Application::Application()
+{
+    m_appName = "application";
+    m_appCompactName = "app";
+    m_appVersion = "none";
+    m_stopping = false;
+}
+
+void Application::init(const std::vector<std::string>& args)
+{
+    // capture exit signals
+    signal(SIGTERM, exitSignalHandler);
+    signal(SIGINT, exitSignalHandler);
+
+#ifdef CRASH_HANDLER
+    installCrashHandler();
+#endif
+
+    std::string startupOptions;
+    for(uint i=1;i<args.size();++i) {
+        const std::string& arg = args[i];
+        startupOptions += " ";
+        startupOptions += arg;
+    }
+    if(startupOptions.length() > 0)
+        g_logger.info(stdext::format("Startup options: %s", startupOptions));
+
+    m_startupOptions = startupOptions;
+
+    // initialize resources
+    g_resources.init(args[0].c_str());
+
+    // initialize lua
+    g_lua.init();
+    registerLuaFunctions();
+}
+
+void Application::deinit()
+{
+    g_lua.callGlobalField("g_app", "onTerminate");
+
+    // run modules unload events
+    g_modules.unloadModules();
+    g_modules.clear();
+
+    // release remaining lua object references
+    g_lua.collectGarbage();
+
+    // poll remaining events
+    poll();
+}
+
+void Application::terminate()
+{
+#ifdef FW_NET
+    // terminate network
+    Connection::terminate();
+#endif
+
+    // save configurations
+    g_configs.save();
+
+    // release resources
+    g_resources.terminate();
+
+    // terminate script environment
+    g_lua.terminate();
+
+    // flush remaining dispatcher events
+    g_dispatcher.flush();
+
+    m_terminated = true;
+}
+
+void Application::poll()
+{
+#ifdef FW_NET
+    Connection::poll();
+#endif
+
+    g_dispatcher.poll();
+}
+
+void Application::exit()
+{
+    g_logger.info("Exiting application..");
+    m_stopping = true;
+}
+
+void Application::close()
+{
+    if(!g_lua.callGlobalField<bool>("g_app", "onClose"))
+        exit();
+}