3 files changed, 77 insertions, 0 deletions
diff --git a/tests/fr/fr_test.c b/tests/fr/fr_test.c
new file mode 100644
index 00000000..c09ce7b4
--- /dev/null
+++ b/tests/fr/fr_test.c
@@ -0,0 +1,76 @@
+/*
+ * (C) 2012 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * All Rights Reserved
+ *
+ * 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 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/>.
+ *
+ */
+
+#define _GNU_SOURCE
+#include <osmocom/core/application.h>
+
+#include <osmocom/gprs/gprs_ns.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <dlfcn.h>
+
+int (*real_socket)(int, int, int);
+
+static int GR_SOCKET = -1;
+
+static void resolve_real(void)
+{
+	if (real_socket)
+		return;
+	real_socket = dlsym(RTLD_NEXT, "socket");
+}
+
+int socket(int domain, int type, int protocol)
+{
+	int fd;
+
+	resolve_real();
+	if (domain != AF_INET || type != SOCK_RAW || protocol != IPPROTO_GRE)
+		return (*real_socket)(domain, type, protocol);
+
+	/* Now call socket with a normal UDP/IP socket and assign to GR_SOCKET */
+	fd = (*real_socket)(domain, SOCK_DGRAM, IPPROTO_UDP);
+	GR_SOCKET = fd;
+	return fd;
+}
+
+void bssgp_prim_cb()
+{
+}
+
+static const struct log_info log_info = {};
+
+int main(int argc, char **argv)
+{
+	int rc;
+	struct gprs_ns_inst *nsi;
+
+	log_init(&log_info, NULL);
+
+	nsi = gprs_ns_instantiate(NULL, NULL);
+	nsi->frgre.enabled = 1;
+
+	rc = gprs_ns_frgre_listen(nsi);
+	printf("Result: %s\n", rc == GR_SOCKET ? "PASSED" : "FAILED");
+	return rc == GR_SOCKET ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+
diff --git a/tests/fr/fr_test.err b/tests/fr/fr_test.err
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/tests/fr/fr_test.err
diff --git a/tests/fr/fr_test.ok b/tests/fr/fr_test.ok
new file mode 100644
index 00000000..6a928840
--- /dev/null
+++ b/tests/fr/fr_test.ok
@@ -0,0 +1 @@
+Result: PASSED