manynodes: put a prefix di graph json files because with LXC many machines write...

[meshlink] / examples / manynodes.c

diff --git a/examples/manynodes.c b/examples/manynodes.c
index 7b23fc5197f14aa7a7e19f9d59cac1cd1ee54d36..3f59ec38448366da194e442807d83e3ca095ad1c 100644 (file)
--- a/examples/manynodes.c
+++ b/examples/manynodes.c
@@ -18,7 +18,7 @@
 
 static int n = 10;
 static meshlink_handle_t **mesh;
-
+static char* namesprefix="machine1";
 static int nodeindex = 0;
 
 static meshlink_node_t **nodes;
@@ -95,7 +95,7 @@ static bool exportmeshgraph(const char* path)
                return false;
        }
 
-       if(!devtool_export_json_all_edges_state(mesh[nodeindex], stream))
+       if(!devtool_export_json_all_edges_state(mesh[0], stream))
        {
                fclose(stream);
                fprintf(stderr, "could not export graph\n");
@@ -113,7 +113,7 @@ void exportmeshgraph_timer(int signum)
        gettimeofday(&ts, NULL);
 
        char name[1024];
-       snprintf(name, sizeof(name), "graph_%ld_%03ld.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);
 }
@@ -257,7 +257,8 @@ static void parse_command(char *buf) {
                }
                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);
@@ -273,6 +274,7 @@ static void parse_command(char *buf) {
                        "/eg <path>            Export graph as json file.\n"
                        "/test                 Test functionality sending some data to all nodes\n"
                        "/select <number>      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 {
@@ -340,7 +342,6 @@ 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];
 
@@ -363,7 +364,7 @@ int main(int argc, char *argv[]) {
 
        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];
@@ -372,8 +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 (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));