return true;
}
-meshlink_handle_t *meshlink_open(const char *confbase, const char *name, const char* appname, dclass_t dclass) {
- return meshlink_open_with_size(confbase, name, appname, dclass, sizeof(meshlink_handle_t));
+meshlink_handle_t *meshlink_open(const char *confbase, const char *name, const char* appname, dev_class_t devclass) {
+ return meshlink_open_with_size(confbase, name, appname, devclass, sizeof(meshlink_handle_t));
}
-meshlink_handle_t *meshlink_open_with_size(const char *confbase, const char *name, const char* appname, dclass_t dclass, size_t size) {
+meshlink_handle_t *meshlink_open_with_size(const char *confbase, const char *name, const char* appname, dev_class_t devclass, size_t size) {
// Validate arguments provided by the application
bool usingname = false;
} else { usingname = true;}
}
+ if(devclass < 0 || devclass > _DEV_CLASS_MAX) {
+ logger(NULL, MESHLINK_ERROR, "Invalid devclass given!\n");
+ meshlink_errno = MESHLINK_EINVAL;
+ return NULL;
+ }
+
meshlink_handle_t *mesh = xzalloc(size);
mesh->confbase = xstrdup(confbase);
mesh->appname = xstrdup(appname);
- mesh->dclass = dclass;
+ mesh->devclass = devclass;
if (usingname) mesh->name = xstrdup(name);
// initialize mutex
// @TODO do we want to fire off a connection attempt right away?
}
+/* Return an array of edges in the current network graph.
+ * Data captures the current state and will not be updated.
+ * Caller must deallocate data when done.
+ */
+meshlink_edge_t **meshlink_get_all_edges_state(meshlink_handle_t *mesh, meshlink_edge_t **edges, size_t *nmemb) {
+ if(!mesh || !nmemb || (*nmemb && !edges)) {
+ meshlink_errno = MESHLINK_EINVAL;
+ return NULL;
+ }
+
+ pthread_mutex_lock(&(mesh->mesh_mutex));
+
+ meshlink_edge_t **result = NULL;
+ meshlink_edge_t *copy = NULL;
+ int result_size = 0;
+
+ result_size = mesh->edges->count;
+
+ // if result is smaller than edges, we have to dealloc all the excess meshlink_edge_t
+ if(result_size > *nmemb) {
+ result = realloc(edges, result_size * sizeof (meshlink_edge_t*));
+ } else {
+ result = edges;
+ }
+
+ if(result) {
+ meshlink_edge_t **p = result;
+ int n = 0;
+ for splay_each(edge_t, e, mesh->edges) {
+ // skip edges that do not represent a two-directional connection
+ if((!e->reverse) || (e->reverse->to != e->from)) {
+ result_size--;
+ continue;
+ }
+ n++;
+ // the first *nmemb members of result can be re-used
+ if(n > *nmemb) {
+ copy = xzalloc(sizeof *copy);
+ }
+ else {
+ copy = *p;
+ }
+ copy->from = (meshlink_node_t*)e->from;
+ copy->to = (meshlink_node_t*)e->to;
+ copy->address = e->address.storage;
+ copy->options = e->options;
+ copy->weight = e->weight;
+ *p++ = copy;
+ }
+ // shrink result to the actual amount of memory used
+ for(int i = *nmemb; i > result_size; i--) {
+ free(result[i - 1]);
+ }
+ result = realloc(result, result_size * sizeof (meshlink_edge_t*));
+ *nmemb = result_size;
+ } else {
+ *nmemb = 0;
+ free(result);
+ meshlink_errno = MESHLINK_ENOMEM;
+ }
+
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+
+ return result;
+}
+
static void __attribute__((constructor)) meshlink_init(void) {
crypto_init();
}
crypto_exit();
}
-int weight_from_dclass(dclass_t dclass)
-{
- switch(dclass)
- {
- case BACKBONE:
- return 1;
-
- case STATIONARY:
- return 3;
- case PORTABLE:
- return 6;
- }
-
- return 9;
-}
+/// Device class traits
+dev_class_traits_t dev_class_traits[_DEV_CLASS_MAX +1] = {
+ { .min_connects = 3, .max_connects = 10000, .edge_weight = 1 }, // DEV_CLASS_BACKBONE
+ { .min_connects = 3, .max_connects = 100, .edge_weight = 3 }, // DEV_CLASS_STATIONARY
+ { .min_connects = 3, .max_connects = 3, .edge_weight = 6 }, // DEV_CLASS_PORTABLE
+ { .min_connects = 1, .max_connects = 1, .edge_weight = 9 }, // DEV_CLASS_UNKNOWN
+};