+++ /dev/null
-/*
- node_sim_nut.c -- Implementation of Node Simulation for Meshlink Testing
- for meta connection test case 01 - re-connection of
- two nodes when relay node goes down
- 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.
-
- 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.
-*/
-
-#ifdef NDEBUG
-#undef NDEBUG
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <pthread.h>
-#include <assert.h>
-#include <signal.h>
-#include "../common/common_handlers.h"
-#include "../common/test_step.h"
-#include "../common/mesh_event_handler.h"
-#include "../../utils.h"
-
-#define CMD_LINE_ARG_NODENAME 1
-#define CMD_LINE_ARG_DEVCLASS 2
-#define CMD_LINE_ARG_CLIENTID 3
-#define CMD_LINE_ARG_IMPORTSTR 4
-#define CMD_LINE_ARG_INVITEURL 5
-#define CHANNEL_PORT 1234
-
-static int client_id = -1;
-
-static struct sync_flag peer_reachable = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER};
-static struct sync_flag channel_opened = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER};
-static struct sync_flag peer_unreachable = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER};
-static struct sync_flag sigusr_received = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER};
-
-static void send_event(mesh_event_t event);
-static void node_status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable);
-
-static void mesh_siguser1_signal_handler(int sig_num) {
- (void)sig_num;
-
- set_sync_flag(&sigusr_received, true);
- return;
-}
-
-static void send_event(mesh_event_t event) {
- int attempts;
-
- for(attempts = 0; attempts < 5; attempts += 1) {
- if(mesh_event_sock_send(client_id, event, NULL, 0)) {
- break;
- }
- }
-
- assert(attempts < 5);
-
- return;
-}
-
-static void node_status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
- (void)mesh;
-
-
- if(!strcasecmp(node->name, "peer")) {
- if(reachable) {
- set_sync_flag(&peer_reachable, true);
- } else {
- set_sync_flag(&peer_unreachable, true);
- }
- }
-
- return;
-}
-
-static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
- (void)len;
- meshlink_set_channel_poll_cb(mesh, channel, NULL);
- assert(meshlink_channel_send(mesh, channel, "test", 5) >= 0);
- return;
-}
-
-static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len) {
- (void)mesh;
-
- if(len == 0) {
- send_event(ERR_NETWORK);
- return;
- }
-
- if(!strcmp(channel->node->name, "peer")) {
- if(len == 5 && !memcmp(dat, "reply", 5)) {
- set_sync_flag(&channel_opened, true);
- }
- }
-
- return;
-}
-
-int main(int argc, char *argv[]) {
- (void)argc;
-
- struct timeval main_loop_wait = { 5, 0 };
-
- // Import mesh event handler
-
- if((argv[CMD_LINE_ARG_CLIENTID]) && (argv[CMD_LINE_ARG_IMPORTSTR])) {
- client_id = atoi(argv[CMD_LINE_ARG_CLIENTID]);
- mesh_event_sock_connect(argv[CMD_LINE_ARG_IMPORTSTR]);
- }
-
- // Setup required signals
-
- setup_signals();
- signal(SIGUSR1, mesh_siguser1_signal_handler);
-
- // Execute test steps
-
- meshlink_handle_t *mesh = meshlink_open("testconf", argv[CMD_LINE_ARG_NODENAME],
- "test_channel_conn", atoi(argv[CMD_LINE_ARG_DEVCLASS]));
- assert(mesh);
- meshlink_set_log_cb(mesh, MESHLINK_DEBUG, meshlink_callback_logger);
- meshlink_set_node_status_cb(mesh, node_status_cb);
-
- if(argv[CMD_LINE_ARG_INVITEURL]) {
- assert(meshlink_join(mesh, argv[CMD_LINE_ARG_INVITEURL]));
- }
-
- assert(meshlink_start(mesh));
-
- // Wait for peer node to join
- assert(wait_sync_flag(&peer_reachable, 30));
- send_event(NODE_JOINED);
-
- // Open a channel to peer node
-
- meshlink_node_t *peer_node = meshlink_get_node(mesh, "peer");
- assert(peer_node);
- meshlink_channel_t *channel = meshlink_channel_open(mesh, peer_node, CHANNEL_PORT,
- channel_receive_cb, NULL, 0);
- meshlink_set_channel_poll_cb(mesh, channel, poll_cb);
-
- assert(wait_sync_flag(&channel_opened, 10));
- send_event(CHANNEL_OPENED);
-
- peer_unreachable.flag = false;
- peer_reachable.flag = false;
- assert(wait_sync_flag(&sigusr_received, 10));
-
- assert(wait_sync_flag(&peer_unreachable, 100));
- send_event(NODE_UNREACHABLE);
-
- assert(wait_sync_flag(&peer_reachable, 100));
- send_event(NODE_REACHABLE);
-
- assert(meshlink_channel_send(mesh, channel, "after", 6) >= 0);
-
- // All test steps executed - wait for signals to stop/start or close the mesh
-
- while(test_running) {
- select(1, NULL, NULL, NULL, &main_loop_wait);
- assert(meshlink_channel_send(mesh, channel, "ping", 6) >= 0);
- }
-
- meshlink_close(mesh);
-}
projects / meshlink-tiny / blobdiff