initial check-in of the UECUPS daemon and the related TTCN3 code
Change-Id: I5acf7059722b58e6f57dbf31e18abcc385533970
diff --git a/daemon/netns.h b/daemon/netns.h
new file mode 100644
index 0000000..3b91ba3
--- /dev/null
+++ b/daemon/netns.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2014-2017, Travelping GmbH <info@travelping.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __NETNS_H
+#define __NETNS_H
+
+#if defined(__linux__)
+
+int init_netns(void);
+
+int switch_ns(int nsfd, sigset_t *oldmask);
+int restore_ns(sigset_t *oldmask);
+
+int open_ns(int nsfd, const char *pathname, int flags);
+int socket_ns(int nsfd, int domain, int type, int protocol);
+int get_nsfd(const char *name);
+
+#endif
+
+#endif