X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=examples%2Fmanynodes.c;h=3f59ec38448366da194e442807d83e3ca095ad1c;hb=011dd48c00fd637c8089fa1a6bb79c63472a626b;hp=3215cfccd1f7fbf97f3d656225e20455036da895;hpb=1aa7ef75218e1b45969ee60ce81e0a9b73beb774;p=meshlink diff --git a/examples/manynodes.c b/examples/manynodes.c index 3215cfcc..3f59ec38 100644 --- a/examples/manynodes.c +++ b/examples/manynodes.c @@ -18,6 +18,8 @@ static int n = 10; static meshlink_handle_t **mesh; +static char* namesprefix="machine1"; +static int nodeindex = 0; static meshlink_node_t **nodes; static size_t nnodes; @@ -111,7 +113,7 @@ void exportmeshgraph_timer(int signum) gettimeofday(&ts, NULL); char name[1024]; - snprintf(name, sizeof(name), "graph_%ld_%ld.json", ts.tv_sec, ts.tv_usec/1000); + snprintf(name, sizeof(name), "%sgraph_%ld_%03ld.json", namesprefix,ts.tv_sec, ts.tv_usec/1000); exportmeshgraph(name); } @@ -154,10 +156,10 @@ static bool exportmeshgraph_begin(const char* timeout_str) /* Install timer_handler as the signal handler for SIGALRM. */ signal(SIGALRM, exportmeshgraph_timer); - /* Configure the timer to expire after X msec... */ + /* Configure the timer to expire immediately... */ struct itimerval timer; - timer.it_value.tv_sec = timeout_sec; - timer.it_value.tv_usec = timeout_msec * 1000; + timer.it_value.tv_sec = 0; + timer.it_value.tv_usec = 1000; /* ... and every X msec after that. */ timer.it_interval.tv_sec = timeout_sec; @@ -184,7 +186,7 @@ static void parse_command(char *buf) { return; } - invitation = meshlink_invite(mesh[0], arg); + invitation = meshlink_invite(mesh[nodeindex], arg); if(!invitation) { fprintf(stderr, "Could not invite '%s': %s\n", arg, meshlink_strerror(meshlink_errno)); return; @@ -197,12 +199,12 @@ static void parse_command(char *buf) { fprintf(stderr, "/join requires an argument!\n"); return; } - meshlink_stop(mesh[0]); - if(!meshlink_join(mesh[0], arg)) + meshlink_stop(mesh[nodeindex]); + if(!meshlink_join(mesh[nodeindex], arg)) fprintf(stderr, "Could not join using invitation: %s\n", meshlink_strerror(meshlink_errno)); else { fprintf(stderr, "Invitation accepted!\n"); - meshlink_start(mesh[0]); + meshlink_start(mesh[nodeindex]); } } else if(!strcasecmp(buf, "kick")) { if(!arg) { @@ -210,18 +212,18 @@ static void parse_command(char *buf) { return; } - meshlink_node_t *node = meshlink_get_node(mesh[0], arg); + meshlink_node_t *node = meshlink_get_node(mesh[nodeindex], arg); if(!node) { fprintf(stderr, "Unknown node '%s'\n", arg); return; } - meshlink_blacklist(mesh[0], node); + meshlink_blacklist(mesh[nodeindex], node); printf("Node '%s' blacklisted.\n", arg); } else if(!strcasecmp(buf, "who")) { if(!arg) { - nodes = meshlink_get_all_nodes(mesh[0], nodes, &nnodes); + nodes = meshlink_get_all_nodes(mesh[nodeindex], nodes, &nnodes); if(!nodes) { fprintf(stderr, "Could not get list of nodes: %s\n", meshlink_strerror(meshlink_errno)); } else { @@ -231,11 +233,11 @@ static void parse_command(char *buf) { printf("\n"); } } else { - meshlink_node_t *node = meshlink_get_node(mesh[0], arg); + meshlink_node_t *node = meshlink_get_node(mesh[nodeindex], arg); if(!node) { fprintf(stderr, "Unknown node '%s'\n", arg); } else { - printf("Node %s found, pmtu %zd\n", arg, meshlink_get_pmtu(mesh[0], node)); + printf("Node %s found, pmtu %zd\n", arg, meshlink_get_pmtu(mesh[nodeindex], node)); } } } else if(!strcasecmp(buf, "link")) { @@ -248,6 +250,15 @@ static void parse_command(char *buf) { exportmeshgraph_end(NULL); } else if(!strcasecmp(buf, "test")) { testmesh(); + } else if(!strcasecmp(buf, "select")) { + if(!arg) { + fprintf(stderr, "/select requires an argument!\n"); + return; + } + nodeindex = atoi(arg); + printf("Index is now %d\n",nodeindex); + } else if(!strcasecmp(buf, "stop")) { + meshlink_stop(mesh[nodeindex]); } else if(!strcasecmp(buf, "quit")) { printf("Bye!\n"); fclose(stdin); @@ -262,6 +273,8 @@ static void parse_command(char *buf) { "/link Link all nodes together.\n" "/eg Export graph as json file.\n" "/test Test functionality sending some data to all nodes\n" + "/select Select the active node running the user commands\n" + "/stop Call meshlink_stop, use /select first to select which node to stop\n" "/quit Exit this program.\n" ); } else { @@ -307,7 +320,7 @@ static void parse_input(char *buf) { if(*msg == ' ') msg++; - destination = meshlink_get_node(mesh[0], buf); + destination = meshlink_get_node(mesh[nodeindex], buf); if(!destination) { fprintf(stderr, "Unknown node '%s'\n", buf); return; @@ -319,7 +332,7 @@ static void parse_input(char *buf) { return; } - if(!meshlink_send(mesh[0], destination, msg, strlen(msg) + 1)) { + if(!meshlink_send(mesh[nodeindex], destination, msg, strlen(msg) + 1)) { fprintf(stderr, "Could not send message to '%s': %s\n", destination->name, meshlink_strerror(meshlink_errno)); return; } @@ -329,14 +342,14 @@ static void parse_input(char *buf) { int main(int argc, char *argv[]) { const char *basebase = ".manynodes"; - const char *namesprefix = "machine1"; + const char *graphexporttimeout = NULL; char buf[1024]; if(argc > 1) n = atoi(argv[1]); if(n < 1) { - fprintf(stderr, "Usage: %s [number of local nodes] [confbase] [prefixnodenames]\n", argv[0]); + fprintf(stderr, "Usage: %s [number of local nodes] [confbase] [prefixnodenames] [graphexport timeout]\n", argv[0]); return 1; } @@ -346,9 +359,12 @@ int main(int argc, char *argv[]) { if(argc > 3) namesprefix = argv[3]; + if(argc > 4) + graphexporttimeout = argv[4]; + mesh = calloc(n, sizeof *mesh); - meshlink_set_log_cb(NULL, MESHLINK_WARNING, log_message); + meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_message); mkdir(basebase, 0750); char filename[PATH_MAX]; @@ -357,10 +373,13 @@ int main(int argc, char *argv[]) { snprintf(nodename, sizeof nodename, "%snode%d", namesprefix,i); snprintf(filename, sizeof filename, "%s/%s", basebase, nodename); bool itsnew = access(filename, R_OK); - mesh[i] = meshlink_open(filename, nodename, "manynodes", i%_DEV_CLASS_MAX); - meshlink_set_log_cb(mesh[i], MESHLINK_WARNING, log_message); - if(itsnew) - meshlink_add_address(mesh[i], "localhost"); + if (n/(i+1) > n/4) { + mesh[i] = meshlink_open(filename, nodename, "manynodes", DEV_CLASS_BACKBONE); + } + else { + mesh[i] = meshlink_open(filename, nodename, "manynodes", DEV_CLASS_PORTABLE); + } + meshlink_set_log_cb(mesh[i], MESHLINK_DEBUG, log_message); if(!mesh[i]) { fprintf(stderr, "errno is: %d\n", meshlink_errno); fprintf(stderr, "Could not open %s: %s\n", filename, meshlink_strerror(meshlink_errno)); @@ -382,12 +401,17 @@ int main(int argc, char *argv[]) { return 1; } + if(graphexporttimeout) + { exportmeshgraph_begin(graphexporttimeout); } + printf("%d nodes started.\nType /help for a list of commands.\n", started); // handle input while(fgets(buf, sizeof buf, stdin)) parse_input(buf); + exportmeshgraph_end(NULL); + printf("Nodes stopping.\n"); for(int i = 0; i < n; i++)