mod_netconf: close NETCONF sessions

Close all inactive NETCONF sessions.
Close all NETCONF sessions on exit.

- refs #970
diff --git a/src/mod_netconf.h b/src/mod_netconf.h
new file mode 100644
index 0000000..bc97002
--- /dev/null
+++ b/src/mod_netconf.h
@@ -0,0 +1,84 @@
+/*!
+ * \file mod_netconf.c
+ * \brief NETCONF Apache modul for Netopeer
+ * \author Tomas Cejka <cejkat@cesnet.cz>
+ * \author Radek Krejci <rkrejci@cesnet.cz>
+ * \date 2011
+ * \date 2012
+ * \date 2013
+ */
+/*
+ * Copyright (C) 2011-2013 CESNET
+ *
+ * LICENSE TERMS
+ *
+ * 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.
+ *
+ */
+#ifndef __MOD_NETCONF_COMMON_H
+#define __MOD_NETCONF_COMMON_H
+
+#include <pthread.h>
+#include <httpd.h>
+#include <http_log.h>
+#include <http_config.h>
+#include <apr_hash.h>
+
+struct pass_to_thread {
+	int client; /**< opened socket */
+	apr_pool_t * pool; /**< ?? */
+	server_rec * server; /**< ?? */
+	apr_hash_t * netconf_sessions_list; /**< ?? */
+};
+
+typedef struct notification {
+	time_t eventtime;
+	char* content;
+} notification_t;
+
+struct session_with_mutex {
+	struct nc_session * session; /**< netconf session */
+	apr_array_header_t *notifications;
+	apr_time_t last_activity;
+	pthread_mutex_t lock; /**< mutex protecting the session from multiple access */
+};
+
+typedef struct {
+	apr_pool_t *pool;
+	apr_proc_t *forkproc;
+	char* sockname;
+} mod_netconf_cfg;
+
+
+extern pthread_rwlock_t session_lock; /**< mutex protecting netconf_session_list from multiple access errors */
+
+#endif
+