Add a callback that notifies the application when it is blacklisted.

[meshlink] / src / meshlink.c

diff --git a/src/meshlink.c b/src/meshlink.c
index 3f191f9a6579547bf9c0c79a4573e84e5a2892da..ee62078d8b16a55a31c363eb3d77f01fdbdb5b63 100644 (file)
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -2060,6 +2060,20 @@ void meshlink_set_error_cb(struct meshlink_handle *mesh, meshlink_error_cb_t cb)
        pthread_mutex_unlock(&mesh->mutex);
 }
 
+void meshlink_set_blacklisted_cb(struct meshlink_handle *mesh, meshlink_blacklisted_cb_t cb) {
+       if(!mesh) {
+               meshlink_errno = MESHLINK_EINVAL;
+               return;
+       }
+
+       if(pthread_mutex_lock(&mesh->mutex) != 0) {
+               abort();
+       }
+
+       mesh->blacklisted_cb = cb;
+       pthread_mutex_unlock(&mesh->mutex);
+}
+
 static bool prepare_packet(meshlink_handle_t *mesh, meshlink_node_t *destination, const void *data, size_t len, vpn_packet_t *packet) {
        meshlink_packethdr_t *hdr;
 
@@ -2360,6 +2374,10 @@ static bool search_node_by_dev_class(const node_t *node, const void *condition)
        return false;
 }
 
+static bool search_node_by_blacklisted(const node_t *node, const void *condition) {
+       return *(bool *)condition == node->status.blacklisted;
+}
+
 static bool search_node_by_submesh(const node_t *node, const void *condition) {
        if(condition == node->submesh) {
                return true;
@@ -2422,6 +2440,15 @@ meshlink_node_t **meshlink_get_all_nodes_by_last_reachable(meshlink_handle_t *me
        return meshlink_get_all_nodes_by_condition(mesh, &range, nodes, nmemb, search_node_by_last_reachable);
 }
 
+meshlink_node_t **meshlink_get_all_nodes_by_blacklisted(meshlink_handle_t *mesh, bool blacklisted, meshlink_node_t **nodes, size_t *nmemb) {
+       if(!mesh || !nmemb) {
+               meshlink_errno = MESHLINK_EINVAL;
+               return NULL;
+       }
+
+       return meshlink_get_all_nodes_by_condition(mesh, &blacklisted, nodes, nmemb, search_node_by_blacklisted);
+}
+
 dev_class_t meshlink_get_node_dev_class(meshlink_handle_t *mesh, meshlink_node_t *node) {
        if(!mesh || !node) {
                meshlink_errno = MESHLINK_EINVAL;
@@ -2441,6 +2468,28 @@ dev_class_t meshlink_get_node_dev_class(meshlink_handle_t *mesh, meshlink_node_t
        return devclass;
 }
 
+bool meshlink_get_node_blacklisted(meshlink_handle_t *mesh, meshlink_node_t *node) {
+       if(!mesh) {
+               meshlink_errno = MESHLINK_EINVAL;
+       }
+
+       if(!node) {
+               return mesh->default_blacklist;
+       }
+
+       bool blacklisted;
+
+       if(pthread_mutex_lock(&mesh->mutex) != 0) {
+               abort();
+       }
+
+       blacklisted = ((node_t *)node)->status.blacklisted;
+
+       pthread_mutex_unlock(&mesh->mutex);
+
+       return blacklisted;
+}
+
 meshlink_submesh_t *meshlink_get_node_submesh(meshlink_handle_t *mesh, meshlink_node_t *node) {
        if(!mesh || !node) {
                meshlink_errno = MESHLINK_EINVAL;