1 files changed, 75 insertions, 0 deletions
diff --git a/apps/apps.cpp b/apps/apps.cpp
index b353e85..916b0e0 100644
--- a/apps/apps.cpp
+++ b/apps/apps.cpp
@@ -1,5 +1,7 @@
 #include "apps.h"
 #include <netdb.h>
+#include <log4cplus/consoleappender.h>
+#include <log4cplus/configurator.h>
 
 namespace trygvis {
 namespace apps {
@@ -43,5 +45,78 @@ std::string get_hostname() {
 void app_execution::usage() {
     cerr << desc << endl;
 }
+
+const po::options_description logging_options() {
+    po::options_description desc;
+
+    return desc;
+}
+
+void setup_logging(string app_name) {
+    Appender *console = new ConsoleAppender(true, true);
+
+    string pattern = string("%-5p ") /*"%6r "*/ + app_name + "/%-20c %m%n"; // add %M (function name)
+
+    PatternLayout *layout = new PatternLayout(LOG4CPLUS_TEXT(pattern));
+    console->setLayout(auto_ptr<Layout>(layout));
+
+    Hierarchy &h = Logger::getDefaultHierarchy();
+    h.getRoot().addAppender(SharedAppenderPtr(console));
+}
+
+int launch_app(app *app, int argc, const char *argv[]) {
+    po::options_description all("Options");
+
+    auto all_options = all.add_options();
+    all_options("help", "This help message");
+    app->add_options(all_options);
+
+    all.add(logging_options());
+    app->add_extra_options(all);
+
+    po::variables_map vm;
+
+    try {
+        auto parsed = po::parse_command_line(argc, argv, all);
+        po::store(parsed, vm);
+
+        po::notify(vm);
+
+        auto unrecognized = po::collect_unrecognized(parsed.options, po::include_positional);
+
+        if (vm.count("help")) {
+            cerr << all << "\n";
+            return EXIT_FAILURE;
+        }
+
+        if (unrecognized.size()) {
+            cerr << "Unrecognized option: " << unrecognized.at(0) << "\n";
+            return EXIT_FAILURE;
+        }
+
+        setup_logging(app->app_name);
+
+        Logger logger = Logger::getInstance(LOG4CPLUS_TEXT("main"));
+
+        app_execution execution(all, vm, logger);
+
+        return app->main(execution);
+    } catch (po::required_option &e) {
+        cerr << "Missing required option: " << e.get_option_name() << endl;
+        cerr << all << endl;
+        return EXIT_FAILURE;
+    } catch (po::unknown_option &e) {
+        cerr << e.what() << endl;
+        return EXIT_FAILURE;
+    }
+}
+
+int real_main(app *app, int argc, const char *argv[]) {
+    if (argc == 0) {
+        return EXIT_FAILURE;
+    }
+
+    return launch_app(app, argc, argv);
+}
 }
 }