Add rtp_test to show the double-bind bug of OS#4444
Change-Id: I6742e5504cfb827031031e4d8d49a616ab203a94
diff --git a/tests/rtp_test/rtp_test.c b/tests/rtp_test/rtp_test.c
new file mode 100644
index 0000000..d696033
--- /dev/null
+++ b/tests/rtp_test/rtp_test.c
@@ -0,0 +1,92 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <errno.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/application.h>
+#include <osmocom/trau/osmo_ortp.h>
+
+static void *tall_test;
+
+static struct osmo_rtp_socket *create_bind_any(void)
+{
+ struct osmo_rtp_socket *rs;
+ int i;
+
+ rs = osmo_rtp_socket_create(tall_test, 0);
+ for (i = 16384; i < 65535; i+=2) {
+ if (osmo_rtp_socket_bind(rs, "0.0.0.0", i) == 0)
+ return rs;
+ }
+ osmo_rtp_socket_free(rs);
+ return NULL;
+}
+
+/* test if binding two sockets to the same local port fails (See OS#4444) */
+static void test_bind_fail(void)
+{
+ struct osmo_rtp_socket *rs[2];
+ uint32_t ip;
+ int rc, port[2];
+
+ printf("First bind to any random local port...\n");
+ rs[0] = create_bind_any();
+ OSMO_ASSERT(rs[0]);
+
+ /* then obtain the local port */
+ rc = osmo_rtp_get_bound_ip_port(rs[0], &ip, &port[0]);
+ OSMO_ASSERT(rc == 0);
+
+ printf("Now try to bind another socket to the same port: ");
+ rs[1] = osmo_rtp_socket_create(tall_test, 0);
+ OSMO_ASSERT(rs[1]);
+ rc = osmo_rtp_socket_bind(rs[1], "0.0.0.0", port[0]);
+ if (rc == -1 && errno == EADDRINUSE)
+ printf("OK (EADDRINUSE)\n");
+ else {
+ printf("FAILED - second bind to port %u worked\n", port[0]);
+ fflush(stdout);
+ //OSMO_ASSERT(0);
+ }
+
+ osmo_rtp_socket_free(rs[0]);
+ osmo_rtp_socket_free(rs[1]);
+}
+
+#define DTEST 0
+
+static const struct log_info_cat bts_test_cat[] = {
+ [DTEST] = {
+ .name = "DTEST",
+ .description = "test",
+ .color = "\033[1;35m",
+ .enabled = 1, .loglevel = LOGL_NOTICE,
+ },
+};
+
+static const struct log_info bts_test_log_info = {
+ .filter_fn = NULL,
+ .cat = bts_test_cat,
+ .num_cat = ARRAY_SIZE(bts_test_cat),
+};
+
+
+int main(int argc, char **argv)
+{
+ tall_test = talloc_named_const(NULL, 1, "rtp_test");
+ osmo_init_logging2(tall_test, &bts_test_log_info);
+ osmo_rtp_init(tall_test);
+
+ test_bind_fail();
+
+ exit(0);
+}
+
diff --git a/tests/rtp_test/rtp_test.ok b/tests/rtp_test/rtp_test.ok
new file mode 100644
index 0000000..ded2792
--- /dev/null
+++ b/tests/rtp_test/rtp_test.ok
@@ -0,0 +1,2 @@
+First bind to any random local port...
+Now try to bind another socket to the same port: FAILED - second bind to port 16384 worked