+/*
+ test_cases_set_connection_try_cb.c -- Execution of specific meshlink black box test cases
+ Copyright (C) 2019 Guus Sliepen <guus@meshlink.io>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 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 General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "execute_tests.h"
+#include "test_cases_set_connection_try_cb.h"
+#include "../common/test_step.h"
+#include "../common/common_handlers.h"
+#include "../../utils.h"
+#include <assert.h>
+#include <setjmp.h>
+#include <cmocka.h>
+#include <pthread.h>
+
+static void test_case_set_connection_try_cb_01(void **state);
+static bool test_set_connection_try_cb_01(void);
+
+static bool bar_reachable;
+static int connection_attempts;
+static struct sync_flag status_changed_cond = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER};
+static struct sync_flag connection_attempt_cond = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER};
+
+static void node_status_cb(meshlink_handle_t *mesh, meshlink_node_t *source, bool reachable) {
+ if(!strcmp(mesh->name, "foo") && !strcmp(source->name, "bar")) {
+ bar_reachable = reachable;
+ set_sync_flag(&status_changed_cond, true);
+ }
+}
+
+/* Meta-connection try callback handler */
+static void connection_try_cb(meshlink_handle_t *mesh, meshlink_node_t *source) {
+ if(!strcmp(mesh->name, "foo")) {
+ ++connection_attempts;
+
+ if(connection_attempts > 3) {
+ set_sync_flag(&connection_attempt_cond, true);
+ }
+ }
+}
+
+/* Execute set meta connection try callback Test Case # 1 */
+static void test_case_set_connection_try_cb_01(void **state) {
+ execute_test(test_set_connection_try_cb_01, state);
+}
+
+/* Test Steps for meshlink_set_connection_try_cb Test Case # 1
+
+ Test Steps:
+ 1. Run foo and bar nodes after exporting and importing node's keys and addresses mutually.
+ 2. Close bar node. Wait for connection attempts and cleanup.
+
+ Expected Result:
+ Connection try callback should be invoked initially when foo and bar forms a meta-connection.
+ After closing bar node it should invoke 3 connection try callbacks in span of about 30 seconds.
+*/
+static bool test_set_connection_try_cb_01(void) {
+ meshlink_destroy("meshlink_conf.1");
+ meshlink_destroy("meshlink_conf.2");
+
+ // Opening foo and bar nodes
+ meshlink_handle_t *mesh1 = meshlink_open("meshlink_conf.1", "foo", "test", DEV_CLASS_STATIONARY);
+ assert(mesh1 != NULL);
+ meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, meshlink_callback_logger);
+ meshlink_enable_discovery(mesh1, false);
+ meshlink_handle_t *mesh2 = meshlink_open("meshlink_conf.2", "bar", "test", DEV_CLASS_STATIONARY);
+ assert(mesh2 != NULL);
+
+ // Set up callback for node status
+ meshlink_set_node_status_cb(mesh1, node_status_cb);
+ meshlink_set_connection_try_cb(mesh1, connection_try_cb);
+
+ // Exporting and Importing mutually
+ char *exp1 = meshlink_export(mesh1);
+ assert(exp1 != NULL);
+ char *exp2 = meshlink_export(mesh2);
+ assert(exp2 != NULL);
+ bool imp1 = meshlink_import(mesh1, exp2);
+ bool imp2 = meshlink_import(mesh2, exp1);
+ free(exp1);
+ free(exp2);
+
+ assert(meshlink_start(mesh1));
+ assert(meshlink_start(mesh2));
+
+ // Wait for foo and bar nodes to join
+ assert(wait_sync_flag(&status_changed_cond, 5));
+ assert(bar_reachable);
+
+ // Joining should in this case raise one connection try callback
+ assert_int_equal(connection_attempts, 1);
+
+ // Close the bar node
+ set_sync_flag(&status_changed_cond, false);
+ meshlink_close(mesh2);
+ assert(wait_sync_flag(&status_changed_cond, 5));
+ assert(!bar_reachable);
+
+ // Wait for additional 3 connection try callbacks
+ time_t attempt_time_start = time(NULL);
+ assert(attempt_time_start != -1);
+ assert_int_equal(wait_sync_flag(&connection_attempt_cond, 60), true);
+
+ // Close bar node and assert on number of callbacks invoked and the time taken.
+ meshlink_close(mesh1);
+ time_t attempt_time_stop = time(NULL);
+ assert(attempt_time_stop != -1);
+ assert_int_equal(connection_attempts, 4);
+ assert_in_range(attempt_time_stop - attempt_time_start, 25, 45);
+
+ // Cleanup
+ meshlink_destroy("meshlink_conf.1");
+ meshlink_destroy("meshlink_conf.2");
+
+ return true;
+}
+
+int test_cases_connection_try(void) {
+ black_box_state_t test_case_set_connection_try_cb_01_state = {
+ .test_case_name = "test_case_set_connection_try_cb_01",
+ };
+
+ const struct CMUnitTest blackbox_connection_try_tests[] = {
+ cmocka_unit_test_prestate_setup_teardown(test_case_set_connection_try_cb_01, NULL, NULL,
+ (void *)&test_case_set_connection_try_cb_01_state),
+ };
+ total_tests += sizeof(blackbox_connection_try_tests) / sizeof(blackbox_connection_try_tests[0]);
+
+ int failed = cmocka_run_group_tests(blackbox_connection_try_tests, NULL, NULL);
+
+ return failed;
+}
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