X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test%2Fblackbox%2Ftest_cases_submesh01%2Fnode_sim_app1node1.c;fp=test%2Fblackbox%2Ftest_cases_submesh01%2Fnode_sim_app1node1.c;h=50cf4fe163ec400c328fee8ceaffab4f6c4fb5aa;hb=4108810af455f463dfbcdac0e2e0b2ba0312bf26;hp=0000000000000000000000000000000000000000;hpb=026aa799bdccd860575e4ce228b750f47abd31e2;p=meshlink diff --git a/test/blackbox/test_cases_submesh01/node_sim_app1node1.c b/test/blackbox/test_cases_submesh01/node_sim_app1node1.c new file mode 100644 index 00000000..50cf4fe1 --- /dev/null +++ b/test/blackbox/test_cases_submesh01/node_sim_app1node1.c @@ -0,0 +1,221 @@ +/* + 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 + + 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 +#include +#include +#include +#include +#include +#include +#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) { + 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 a) { + fprintf(stderr, "Starting test in app1node1\n"); + set_sync_flag(&start_test, true); +} + +int main(int argc, char *argv[]) { + 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, 100)); + send_event(CHANNEL_OPENED); + + assert(wait_sync_flag(&channel_data_recieved, 100)); + 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; +} \ No newline at end of file