2 node_sim_peer.c -- Implementation of Node Simulation for Meshlink Testing
3 for meta connection test case 01 - re-connection of
4 two nodes when relay node goes down
5 Copyright (C) 2018 Guus Sliepen <guus@meshlink.io>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 #include "../common/common_handlers.h"
27 #include "../common/test_step.h"
28 #include "../common/mesh_event_handler.h"
30 #define CMD_LINE_ARG_NODENAME 1
31 #define CMD_LINE_ARG_DEVCLASS 2
32 #define CMD_LINE_ARG_CLIENTID 3
33 #define CMD_LINE_ARG_IMPORTSTR 4
34 #define CMD_LINE_ARG_INVITEURL 5
35 #define CHANNEL_PORT 1234
37 static int client_id = -1;
38 static bool channel_rec;
39 static bool channel_reply;
40 static pthread_mutex_t reply_lock = PTHREAD_MUTEX_INITIALIZER;
41 static pthread_cond_t reply_cond = PTHREAD_COND_INITIALIZER;
42 static pthread_mutex_t recv_lock = PTHREAD_MUTEX_INITIALIZER;
43 static pthread_cond_t recv_cond = PTHREAD_COND_INITIALIZER;
45 static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len);
47 static bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *dat, size_t len) {
51 assert(port == CHANNEL_PORT);
53 if(!strcmp(channel->node->name, "nut")) {
54 meshlink_set_channel_receive_cb(mesh, channel, channel_receive_cb);
63 static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len) {
65 assert(mesh_event_sock_send(client_id, ERR_NETWORK, NULL, 0));
69 if(!strcmp(channel->node->name, "nut")) {
70 if(!memcmp(dat, "test", 5)) {
71 assert(meshlink_channel_send(mesh, channel, "reply", 5) >= 0);
78 int main(int argc, char *argv[]) {
79 struct timeval main_loop_wait = { 2, 0 };
80 struct timespec timeout = {0};
82 // Import mesh event handler
84 if((argv[CMD_LINE_ARG_CLIENTID]) && (argv[CMD_LINE_ARG_IMPORTSTR])) {
85 client_id = atoi(argv[CMD_LINE_ARG_CLIENTID]);
86 mesh_event_sock_connect(argv[CMD_LINE_ARG_IMPORTSTR]);
89 // Run peer node instance
93 meshlink_handle_t *mesh = meshlink_open("testconf", argv[CMD_LINE_ARG_NODENAME],
94 "test_channel_conn", atoi(argv[CMD_LINE_ARG_DEVCLASS]));
96 meshlink_set_log_cb(mesh, MESHLINK_DEBUG, meshlink_callback_logger);
97 meshlink_set_channel_accept_cb(mesh, channel_accept);
99 if(argv[CMD_LINE_ARG_INVITEURL]) {
100 assert(meshlink_join(mesh, argv[CMD_LINE_ARG_INVITEURL]));
103 assert(meshlink_start(mesh));
105 // All test steps executed - wait for signals to stop/start or close the mesh
106 while(test_running) {
107 select(1, NULL, NULL, NULL, &main_loop_wait);
110 meshlink_close(mesh);