+++ /dev/null
-/*
- node_sim_peer.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 <time.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 void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len);
-static bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *dat, size_t len);
-
-static int client_id = -1;
-static meshlink_handle_t *mesh = NULL;
-
-static struct sync_flag peer_reachable = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER, .flag = false};
-static struct sync_flag start_test = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER, .flag = false};
-static struct sync_flag channel_opened = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER, .flag = false};
-static struct sync_flag channel_data_recieved = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER, .flag = false};
-
-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 bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *dat, size_t len) {
- (void)dat;
- (void)len;
-
- assert(port == CHANNEL_PORT);
-
- fprintf(stderr, "\tapp1node1 got channel request from %s\n", channel->node->name);
-
- if(!strcmp(channel->node->name, "corenode1")) {
- fprintf(stderr, "\tapp1node1 accepting channel request from %s at %lu\n", channel->node->name, time(NULL));
- meshlink_set_channel_receive_cb(mesh, channel, channel_receive_cb);
- mesh->priv = channel;
-
- return true;
- } else if(!strcmp(channel->node->name, "app1node2")) {
- fprintf(stderr, "\tapp1node1 accepting channel request from %s at %lu\n", channel->node->name, time(NULL));
- meshlink_set_channel_receive_cb(mesh, channel, channel_receive_cb);
- mesh->priv = channel;
-
- return true;
- }
-
- fprintf(stderr, "\tapp1node1 rejecting channel request from %s at %lu\n", channel->node->name, time(NULL));
- return false;
-}
-
-/* channel receive callback */
-static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len) {
- char data[100] = {0};
- char *message = "Channel Message";
-
- if(len == 0) {
- fprintf(stderr, "\tapp1node1 got error from %s at %lu\n", channel->node->name, time(NULL));
- send_event(ERR_NETWORK);
- return;
- }
-
- memcpy(data, dat, len);
-
- fprintf(stderr, "\tapp1node1 got message from %s as %s\n", channel->node->name, data);
-
- if(!strcmp(channel->node->name, "corenode1")) {
- if(!memcmp(dat, "Channel Message", len)) {
- set_sync_flag(&channel_data_recieved, true);
- } else if(!memcmp(dat, "failure", 7)) {
- assert(false);
- }
- } else if(!strcmp(channel->node->name, "app1node2")) {
- if(!memcmp(dat, "Channel Message", len)) {
- assert(meshlink_channel_send(mesh, channel, message, strlen(message)) >= 0);
- } else if(!memcmp(dat, "failure", 7)) {
- assert(false);
- }
- }
-
- return;
-}
-
-static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
- char *message = "Channel Message";
- char *node = (char *)channel->node->name;
- (void)len;
- meshlink_set_channel_poll_cb(mesh, channel, NULL);
- fprintf(stderr, "\tapp1node1's Channel request has been accepted by %s at : %lu\n", node, time(NULL));
-
- if(0 == strcmp("corenode1", node)) {
- set_sync_flag(&channel_opened, true);
- }
-
- assert(meshlink_channel_send(mesh, channel, message, strlen(message)) >= 0);
- return;
-}
-
-
-static void node_status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
- (void)mesh;
-
- if(!strcasecmp(node->name, "corenode1")) {
- if(reachable) {
- fprintf(stderr, "\tNode corenode1 became reachable\n");
- set_sync_flag(&peer_reachable, true);
- }
- }
-
- return;
-}
-
-void mesh_start_test_handler(int signum) {
- (void)signum;
-
- fprintf(stderr, "Starting test in app1node1\n");
- set_sync_flag(&start_test, true);
-}
-
-int main(int argc, char *argv[]) {
- (void)argc;
-
- struct timeval main_loop_wait = { 2, 0 };
- meshlink_channel_t *channel = NULL;
- meshlink_node_t *core_node = NULL;
-
- fprintf(stderr, "\tMesh node 'app1node1' starting up........\n");
-
- // 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(SIGIO, mesh_start_test_handler);
-
- // Run peer node instance
-
- mesh = meshlink_open("app1node1conf", 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_channel_accept_cb(mesh, channel_accept);
- 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));
-
- send_event(NODE_STARTED);
-
- // Wait for peer node to join
-
- assert(wait_sync_flag(&peer_reachable, 15));
- send_event(NODE_JOINED);
-
- while(false == wait_sync_flag(&start_test, 10));
-
- // Open a channel to peer node
- core_node = meshlink_get_node(mesh, "corenode1");
- assert(core_node);
- fprintf(stderr, "\tapp1node1 Sending Channel request to corenode1 at : %lu\n", time(NULL));
- channel = meshlink_channel_open(mesh, core_node, CHANNEL_PORT,
- channel_receive_cb, NULL, 0);
- meshlink_set_channel_poll_cb(mesh, channel, poll_cb);
- assert(wait_sync_flag(&channel_opened, 15));
- send_event(CHANNEL_OPENED);
-
- assert(wait_sync_flag(&channel_data_recieved, 30));
- send_event(CHANNEL_DATA_RECIEVED);
-
- // 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);
- }
-
- meshlink_close(mesh);
-
- return EXIT_SUCCESS;
-}
projects / meshlink-tiny / blobdiff