Add a reload add-hoc command

src/utils/reload.cpp

@@ -0,0 +1,13 @@
+#include <config/config.hpp>
+#include <logger/logger.hpp>
+
+void reload_process()
+{
+  // Closing the config will just force it to be reopened the next time
+  // a configuration option is needed
+  Config::close();
+  // Destroy the logger instance, to be recreated the next time a log
+  // line needs to be written
+  Logger::instance().reset();
+  log_debug("Configuration and logger reloaded.");
+}

src/utils/reload.hpp

@@ -0,0 +1,10 @@
+#ifndef RELOAD_HPP_INCLUDED
+#define RELOAD_HPP_INCLUDED
+
+/**
+ * Reload the server's configuration, and close the logger (so that it
+ * closes its files etc, to take into account the new configuration)
+ */
+void reload_process();
+
+#endif /* RELOAD_HPP_INCLUDED */