Initial commit based on common repo commit ffeb9c9b

libs/gempa/caps/application.cpp

@@ -0,0 +1,141 @@
+/***************************************************************************
+ * Copyright (C) 2015 by gempa GmbH                                        *
+ *                                                                         *
+ * All Rights Reserved.                                                    *
+ *                                                                         *
+ * NOTICE: All information contained herein is, and remains                *
+ * the property of gempa GmbH and its suppliers, if any. The intellectual  *
+ * and technical concepts contained herein are proprietary to gempa GmbH   *
+ * and its suppliers.                                                      *
+ * Dissemination of this information or reproduction of this material      *
+ * is strictly forbidden unless prior written permission is obtained       *
+ * from gempa GmbH.                                                        *
+ ***************************************************************************/
+
+
+#include <gempa/caps/application.h>
+#include <gempa/caps/log.h>
+
+#include <csignal>
+#include <locale.h>
+
+namespace {
+
+void signalHandler(int signal) {
+	Gempa::CAPS::Application::Interrupt(signal);
+}
+
+
+void registerSignalHandler() {
+	CAPS_DEBUG("Registering signal handler");
+
+	signal(SIGTERM, signalHandler);
+	signal(SIGINT, signalHandler);
+	signal(SIGHUP, SIG_IGN);
+	signal(SIGPIPE, SIG_IGN);
+}
+
+}
+
+namespace Gempa {
+namespace CAPS {
+
+Application* Application::_app = NULL;
+
+Application::Application(int argc, char **argv) {
+	_exitRequested = false;
+	_argc = argc;
+	_argv = argv;
+
+	_app = this;
+
+	registerSignalHandler();
+}
+
+void Application::done() {
+	_exitRequested = true;
+	 CAPS_DEBUG("leaving ::done");
+}
+
+int Application::exec() {
+	_returnCode = 1;
+	if ( init() ) {
+		_returnCode = 0;
+
+		if ( !run() && _returnCode == 0 )
+			_returnCode = 1;
+
+		done();
+	}
+	else
+		done();
+
+	return _returnCode;
+}
+
+void Application::exit(int returnCode) {
+	_returnCode = returnCode;
+	_exitRequested = true;
+}
+
+void Application::handleInterrupt(int signal) {
+	switch ( signal ) {
+		case SIGABRT:
+			exit(-1);
+
+		case SIGSEGV:
+			exit(-1);
+
+		default:
+			this->exit(_returnCode);
+	}
+}
+
+void Application::Interrupt(int signal) {
+	if ( _app ) _app->handleInterrupt(signal);
+}
+
+bool Application::init() {
+	setlocale(LC_ALL, "C");
+
+	if ( !initCommandLine() ) {
+		exit(1);
+		return false;
+	}
+
+	if ( !initConfiguration() ) {
+		exit(1);
+		return false;
+	}
+
+	if ( !initCommandLine() ) {
+		exit(1);
+		return false;
+	}
+
+	if ( !validateParameters() ) {
+		exit(1);
+		return false;
+	}
+
+	return true;
+}
+
+bool Application::initCommandLine() {
+	return true;
+}
+
+bool Application::initConfiguration() {
+	return true;
+}
+
+bool Application::run() {
+	return true;
+}
+
+bool Application::validateParameters() {
+	return true;
+}
+
+}
+}