--- /dev/null
+/*
+ test_step.c -- Handlers for executing test steps during node simulation
+ Copyright (C) 2018 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.
+ŝ
+ 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 <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+#include "../../../src/meshlink.h"
+#include "test_step.h"
+#include "common_handlers.h"
+
+/* Modify this to change the logging level of Meshlink */
+#define TEST_MESHLINK_LOG_LEVEL MESHLINK_DEBUG
+
+meshlink_handle_t *mesh_handle = NULL;
+bool mesh_started = false;
+char *eth_if_name = NULL;
+
+meshlink_handle_t *execute_open(char *node_name, char *dev_class) {
+ /* Set up logging for Meshlink */
+ meshlink_set_log_cb(NULL, TEST_MESHLINK_LOG_LEVEL, meshlink_callback_logger);
+
+ /* Create meshlink instance */
+ mesh_handle = meshlink_open("testconf", node_name, "node_sim", atoi(dev_class));
+ fprintf(stderr, "meshlink_open status: %s\n", meshlink_strerror(meshlink_errno));
+ PRINT_TEST_CASE_MSG("meshlink_open status: %s\n", meshlink_strerror(meshlink_errno));
+ assert(mesh_handle);
+
+ /* Set up logging for Meshlink with the newly acquired Mesh Handle */
+ meshlink_set_log_cb(mesh_handle, TEST_MESHLINK_LOG_LEVEL, meshlink_callback_logger);
+ /* Set up callback for node status (reachable / unreachable) */
+ meshlink_set_node_status_cb(mesh_handle, meshlink_callback_node_status);
+
+ return mesh_handle;
+}
+
+char *execute_invite(char *invitee) {
+ char *invite_url = meshlink_invite(mesh_handle, invitee);
+
+ PRINT_TEST_CASE_MSG("meshlink_invite status: %s\n", meshlink_strerror(meshlink_errno));
+ assert(invite_url);
+
+ return invite_url;
+}
+
+void execute_join(char *invite_url) {
+ bool join_status;
+
+ /* The inviting node may take a moment to open its listening port
+ This sleep() prevents meshlink_join() from failing when the listening port is not open */
+ /* TO DO: Replace this with code that actually checks for the port being open, if possible */
+ PRINT_TEST_CASE_MSG("Sleeping 1 sec to allow inviting node to start listening...\n");
+ sleep(1);
+
+ PRINT_TEST_CASE_MSG("About to join with mesh_handle = %p, invite_url = %s\n", mesh_handle, invite_url);
+ join_status = meshlink_join(mesh_handle, invite_url);
+ PRINT_TEST_CASE_MSG("meshlink_join status: %s\n", meshlink_strerror(meshlink_errno));
+ assert(join_status);
+}
+
+void execute_start(void) {
+ bool start_init_status = meshlink_start(mesh_handle);
+
+ PRINT_TEST_CASE_MSG("meshlink_start status: %s\n", meshlink_strerror(meshlink_errno));
+ assert(start_init_status);
+ mesh_started = true;
+}
+
+void execute_stop(void) {
+ assert(mesh_handle);
+ meshlink_stop(mesh_handle);
+ mesh_started = false;
+}
+
+void execute_close(void) {
+ assert(mesh_handle);
+ meshlink_close(mesh_handle);
+}
+
+void execute_change_ip(void) {
+ char *eth_if_ip;
+ int last_byte;
+ char new_ip[20], gateway_ip[20];
+ char *last_dot_in_ip;
+ char *eth_if_netmask;
+ char route_chg_command[200];
+ int route_chg_status;
+
+ /* Get existing IP Address of Ethernet Bridge Interface */
+ assert(eth_if_ip = get_ip(eth_if_name));
+
+ /* Set new IP Address by replacing the last byte with last byte + 1 */
+ strncpy(new_ip, eth_if_ip, sizeof(new_ip));
+ assert(last_dot_in_ip = strrchr(new_ip, '.'));
+ last_byte = atoi(last_dot_in_ip + 1);
+ assert(snprintf(last_dot_in_ip + 1, 4, "%d", (last_byte > 253) ? 2 : (last_byte + 1)) >= 0);
+
+ /* TO DO: Check for IP conflicts with other interfaces and existing Containers */
+ /* Bring the network interface down before making changes */
+ stop_nw_intf(eth_if_name);
+ /* Save the netmask first, then restore it after setting the new IP Address */
+ assert(eth_if_netmask = get_netmask(eth_if_name));
+ set_ip(eth_if_name, new_ip);
+ set_netmask(eth_if_name, eth_if_netmask);
+ /* Bring the network interface back up again to apply changes */
+ start_nw_intf(eth_if_name);
+
+ /* Get Gateway's IP Address, by replacing the last byte with 1 in the current IP Address */
+ /* TO DO: Obtain the actual Gateway IP Address */
+ strncpy(gateway_ip, eth_if_ip, sizeof(gateway_ip));
+ assert(last_dot_in_ip = strrchr(gateway_ip, '.'));
+ assert(snprintf(last_dot_in_ip + 1, 4, "%d", 1) >= 0);
+
+ /* Add the default route back again, which would have been deleted when the
+ network interface was brought down */
+ /* TO DO: Perform this action using ioctl with SIOCADDRT */
+ /*assert(snprintf(route_chg_command, sizeof(route_chg_command), "route add default gw %s",
+ gateway_ip) >= 0);
+ route_chg_status = system(route_chg_command);
+ PRINT_TEST_CASE_MSG("Default Route Add status = %d\n", route_chg_status);
+ assert(route_chg_status == 0); */
+ // Not necessary for ubuntu versions of 16.04 and 18.04
+
+ PRINT_TEST_CASE_MSG("Node '%s' IP Address changed to %s\n", NUT_NODE_NAME, new_ip);
+
+ free(eth_if_ip);
+ free(eth_if_netmask);
+}
+
projects / meshlink / blobdiff