X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=test%2Finvite-join.c;h=831cac4143f8cd3fe31b193a6e3a6783a448ee1e;hp=41b62bd4d92cb475ddabc47c2fdb34cfdff53794;hb=3febbb4453f5c6b0286e7e3c68a5dbcec975b6fd;hpb=196806f90f40fcc0cf727abd4bed6bc5aefff5ff

diff --git a/test/invite-join.c b/test/invite-join.c
index 41b62bd4..831cac41 100644
--- a/test/invite-join.c
+++ b/test/invite-join.c
@@ -1,92 +1,148 @@
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/time.h>
+#include <assert.h>
 
 #include "meshlink.h"
+#include "utils.h"
+
+static struct sync_flag baz_reachable;
 
-volatile bool baz_reachable = false;
+static void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
+	(void)mesh;
 
-void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
-	if(!strcmp(node->name, "baz"))
-		baz_reachable = reachable;
+	if(reachable && !strcmp(node->name, "baz")) {
+		set_sync_flag(&baz_reachable, true);
+	}
 }
 
-int main(int argc, char *argv[]) {
-	// Open two new meshlink instance.
+int main() {
+	meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+
+	assert(meshlink_destroy("invite_join_conf.1"));
+	assert(meshlink_destroy("invite_join_conf.2"));
+	assert(meshlink_destroy("invite_join_conf.3"));
+
+	// Open thee new meshlink instance.
 
 	meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
-	if(!mesh1) {
-		fprintf(stderr, "Could not initialize configuration for foo\n");
-		return 1;
-	}
+	assert(mesh1);
 
 	meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
-	if(!mesh2) {
-		fprintf(stderr, "Could not initialize configuration for bar\n");
-		return 1;
-	}
+	assert(mesh2);
+
+	meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
+	assert(mesh3);
+
+	// Disable local discovery.
 
-	// Start the first instance and have it generate an invitation.
+	meshlink_enable_discovery(mesh1, false);
+	meshlink_enable_discovery(mesh2, false);
+	meshlink_enable_discovery(mesh3, false);
+
+	// Have the first instance generate invitations.
 
 	meshlink_set_node_status_cb(mesh1, status_cb);
 
-	if(!meshlink_start(mesh1)) {
-		fprintf(stderr, "Foo could not start\n");
-		return 1;
-	}
+	assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
+	char *baz_url = meshlink_invite(mesh1, NULL, "baz");
+	assert(baz_url);
 
-	meshlink_add_address(mesh1, "localhost");
-	char *url = meshlink_invite(mesh1, "baz");
-	if(!url) {
-		fprintf(stderr, "Foo could not generate an invitation for baz\n");
-		return 1;
-	}
+	char *quux_url = meshlink_invite(mesh1, NULL, "quux");
+	assert(quux_url);
 
 	// Have the second instance join the first.
 
-	if(!meshlink_join(mesh2, url)) {
-		fprintf(stderr, "Baz could not join foo's mesh\n");
-		return 1;
-	}
-
-	free(url);
+	assert(meshlink_start(mesh1));
 
-	if(!meshlink_start(mesh2)) {
-		fprintf(stderr, "Baz could not start\n");
-		return 1;
-	}
+	assert(meshlink_join(mesh2, baz_url));
+	assert(meshlink_start(mesh2));
 
 	// Wait for the two to connect.
 
-	for(int i = 0; i < 60; i++) {
-		sleep(1);
-		if(baz_reachable)
-			break;
-	}
+	assert(wait_sync_flag(&baz_reachable, 20));
 
-	if(!baz_reachable) {
-		fprintf(stderr, "Baz not reachable for foo after 20 seconds\n");
-		return 1;
-	}
+	// Wait for UDP communication to become possible.
 
 	int pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
+
 	for(int i = 0; i < 10 && !pmtu; i++) {
 		sleep(1);
 		pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
 	}
 
-	if(!pmtu) {
-		fprintf(stderr, "UDP communication with baz not possible after 10 seconds\n");
-		return 1;
-	}
+	assert(pmtu);
 
-	// Clean up.
+	// Check that an invitation cannot be used twice
+
+	assert(!meshlink_join(mesh3, baz_url));
+	free(baz_url);
+
+	// Check that nodes cannot join with expired invitations
+
+	meshlink_set_invitation_timeout(mesh1, 0);
+
+	assert(!meshlink_join(mesh3, quux_url));
+	free(quux_url);
+
+	// Check that existing nodes cannot join another mesh
+
+	char *corge_url = meshlink_invite(mesh3, NULL, "corge");
+	assert(corge_url);
+
+	assert(meshlink_start(mesh3));
 
 	meshlink_stop(mesh2);
+
+	assert(!meshlink_join(mesh2, corge_url));
+	free(corge_url);
+
+	// Check that invitations work correctly after changing ports
+
+	meshlink_set_invitation_timeout(mesh1, 86400);
 	meshlink_stop(mesh1);
+	meshlink_stop(mesh3);
+
+	int oldport = meshlink_get_port(mesh1);
+	bool success = false;
+
+	for(int i = 0; !success && i < 100; i++) {
+		success = meshlink_set_port(mesh1, 0x9000 + rand() % 0x1000);
+	}
+
+	assert(success);
+	int newport = meshlink_get_port(mesh1);
+	assert(oldport != newport);
+
+	assert(meshlink_start(mesh1));
+	quux_url = meshlink_invite(mesh1, NULL, "quux");
+	assert(quux_url);
+
+	// The old port should not be in the invitation URL
+
+	char portstr[10];
+	snprintf(portstr, sizeof(portstr), ":%d", oldport);
+	assert(!strstr(quux_url, portstr));
+
+	// The new port should be in the invitation URL
+
+	snprintf(portstr, sizeof(portstr), ":%d", newport);
+	assert(strstr(quux_url, portstr));
+
+	// The invitation should work
+
+	assert(meshlink_join(mesh3, quux_url));
+	free(quux_url);
+
+	// Clean up.
+
+	meshlink_close(mesh3);
 	meshlink_close(mesh2);
 	meshlink_close(mesh1);
-
-	return 0;
 }