core: add API for default configuration directory

Author: Lukas955

include/ipfixcol2/api.h.in

@@ -2,11 +2,11 @@
  * \file api.h
  * \author Petr Velan <[email protected]>
  * \author Lukas Hutak <[email protected]>
- * \brief Definitions for API functions
- * \date 2016
+ * \brief Definitions for API functions (header file)
+ * \date 2016-2018
  */
 
-/* Copyright (C) 2016 CESNET, z.s.p.o.
+/* Copyright (C) 2016-2018 CESNET, z.s.p.o.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -57,7 +57,7 @@ extern "C" {
 
 /**
  * \def IPX_API
- * \brief Make an interface public outsite
+ * \brief Make an interface public outside
  *
  * If the compiler supports attribute to mark objects as hidden, mark all
  * objects as hidden and export only objects explicitly marked to be part of
@@ -130,6 +130,13 @@ extern "C" {
 /** Status code for reaching maximum capacity                             */
 #define IPX_ERR_LIMIT      (-13)
 
+/**
+ * \brief Get the default directory with configuration
+ * \return Statically allocated string
+ */
+IPX_API const char *
+ipx_api_cfg_dir();
+
 /**@}*/
 
 #ifdef __cplusplus

src/build_config.h.in

@@ -66,9 +66,12 @@
 #define IPX_BUILD_VERSION_FULL_STR \
     "@IPFIXCOL_VERSION_MAJOR@.@IPFIXCOL_VERSION_MINOR@.@IPFIXCOL_VERSION_PATCH@"
 
+/** \brief Path to the directory with configuration                       */
+#define IPX_DEFAULT_CONFIG_DIR \
+    "@CMAKE_INSTALL_FULL_SYSCONFDIR@/ipfixcol2/"
 /** \brief Path to default (if not specified) user configuration file     */
 #define IPX_DEFAULT_STARTUP_CONFIG \
-    "@CMAKE_INSTALL_FULL_SYSCONFDIR@/ipfixcol2/startup.xml"
+    IPX_DEFAULT_CONFIG_DIR "startup.xml"
 /** \brief Path to the directory with plugins                             */
 #define IPX_DEFAULT_PLUGINS_DIR \
     "@CMAKE_INSTALL_FULL_LIBDIR@/ipfixcol2/"

src/core/CMakeLists.txt

@@ -10,6 +10,7 @@ set(CORE_SOURCE
 	configurator/plugin_finder.hpp
 	configurator/model.cpp
 	configurator/model.hpp
+	api.c
 	context.c
 	context.h
 	fpipe.c

src/core/api.c

@@ -0,0 +1,52 @@
+/**
+ * \file src/core/api.c
+ * \author Lukas Hutak <[email protected]>
+ * \brief Definitions for API functions (source file)
+ * \date 2018
+ */
+
+/* Copyright (C) 2018 CESNET, z.s.p.o.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of the Company nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * ALTERNATIVELY, provided that this notice is retained in full, this
+ * product may be distributed under the terms of the GNU General Public
+ * License (GPL) version 2 or later, in which case the provisions
+ * of the GPL apply INSTEAD OF those given above.
+ *
+ * This software is provided ``as is'', and any express or implied
+ * warranties, including, but not limited to, the implied warranties of
+ * merchantability and fitness for a particular purpose are disclaimed.
+ * In no event shall the company or contributors be liable for any
+ * direct, indirect, incidental, special, exemplary, or consequential
+ * damages (including, but not limited to, procurement of substitute
+ * goods or services; loss of use, data, or profits; or business
+ * interruption) however caused and on any theory of liability, whether
+ * in contract, strict liability, or tort (including negligence or
+ * otherwise) arising in any way out of the use of this software, even
+ * if advised of the possibility of such damage.
+ *
+ */
+
+#include <ipfixcol2/api.h>
+#include <build_config.h>
+
+/** Statically allocated string with default configuration directory */
+static const char *ipx_dir_str = IPX_DEFAULT_CONFIG_DIR;
+
+const char *
+ipx_api_cfg_dir()
+{
+    return ipx_dir_str;
+}