X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=test%2Fmeta-connections.c;fp=test%2Fmeta-connections.c;h=22d7c21d31c9eb164f27e8e68954096263bf0a64;hp=0000000000000000000000000000000000000000;hb=e38737be28c742b241a6b0ffdbad541c3c0b13b2;hpb=d78e24a1f77084f2395b7f344533fc1819b0b3b0

diff --git a/test/meta-connections.c b/test/meta-connections.c
new file mode 100644
index 00000000..22d7c21d
--- /dev/null
+++ b/test/meta-connections.c
@@ -0,0 +1,89 @@
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "meshlink.h"
+#include "devtools.h"
+#include "netns_utils.h"
+#include "utils.h"
+
+static struct sync_flag peer_reachable;
+static struct sync_flag peer_unreachable;
+
+static void nut_status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
+	(void)mesh;
+
+	if(!strcmp(node->name, "peer")) {
+		set_sync_flag(reachable ? &peer_reachable : &peer_unreachable, true);
+	}
+}
+
+int main(void) {
+	meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+
+	init_sync_flag(&peer_reachable);
+	init_sync_flag(&peer_unreachable);
+
+	// Set up relay, peer and NUT
+	peer_config_t *peers = setup_relay_peer_nut("metaconn");
+
+	// Wait for peer to connect to NUT
+	devtool_set_meta_status_cb(peers[2].mesh, nut_status_cb);
+
+	for(int i = 0; i < 3; i++) {
+		assert(meshlink_start(peers[i].mesh));
+	}
+
+	assert(wait_sync_flag(&peer_reachable, 5));
+
+	// Test case #1: re-connection to peer after disconnection when connected to the relay node
+
+	// Stop the peer and wait for it to become unreachable
+	reset_sync_flag(&peer_unreachable);
+	meshlink_stop(peers[1].mesh);
+	assert(wait_sync_flag(&peer_unreachable, 5));
+
+	// Restart the peer and wait for it to become reachable
+	reset_sync_flag(&peer_reachable);
+	assert(meshlink_start(peers[1].mesh));
+	assert(wait_sync_flag(&peer_reachable, 5));
+
+	// Test case #2: re-connection to peer after changing peer and NUT's IP address simultaneously,
+	//               while connected to the relay
+
+	reset_sync_flag(&peer_reachable);
+	reset_sync_flag(&peer_unreachable);
+
+	for(int i = 1; i < 3; i++) {
+		change_peer_ip(&peers[i]);
+	}
+
+	for(int i = 1; i < 3; i++) {
+		meshlink_reset_timers(peers[i].mesh);
+	}
+
+	assert(wait_sync_flag(&peer_unreachable, 75));
+	assert(wait_sync_flag(&peer_reachable, 15));
+
+	// Test case #3: re-connect to peer after stopping NUT and changing peer's IP address, no relay
+	reset_sync_flag(&peer_unreachable);
+
+	for(int i = 0; i < 2; i++) {
+		meshlink_stop(peers[i].mesh);
+	}
+
+	change_peer_ip(&peers[1]);
+	assert(wait_sync_flag(&peer_unreachable, 15));
+
+	reset_sync_flag(&peer_reachable);
+	assert(meshlink_start(peers[1].mesh));
+	assert(wait_sync_flag(&peer_reachable, 60));
+
+	// Done.
+
+	close_relay_peer_nut(peers);
+}