Add meshlink_set_storage_policy().

[meshlink] / src / meshlink.c

diff --git a/src/meshlink.c b/src/meshlink.c
index 1540df37344ace42cc87c70cc07160401fd914e7..26bcada773151a382772e2117e05d5bb101ce67f 100644 (file)
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -689,7 +689,7 @@ static bool write_main_config_files(meshlink_handle_t *mesh) {
        }
 
        /* Write our own host config file */
-       if(!node_write_config(mesh, mesh->self)) {
+       if(!node_write_config(mesh, mesh->self, true)) {
                return false;
        }
 
@@ -823,7 +823,7 @@ static bool finalize_join(join_state_t *state, const void *buf, uint16_t len) {
                n->last_reachable = 0;
                n->last_unreachable = 0;
 
-               if(!node_write_config(mesh, n)) {
+               if(!node_write_config(mesh, n, true)) {
                        free_node(n);
                        return false;
                }
@@ -1262,6 +1262,17 @@ bool meshlink_open_params_set_storage_key(meshlink_open_params_t *params, const
        return true;
 }
 
+bool meshlink_open_params_set_storage_policy(meshlink_open_params_t *params, meshlink_storage_policy_t policy) {
+       if(!params) {
+               meshlink_errno = MESHLINK_EINVAL;
+               return false;
+       }
+
+       params->storage_policy = policy;
+
+       return true;
+}
+
 bool meshlink_encrypted_key_rotate(meshlink_handle_t *mesh, const void *new_key, size_t new_keylen) {
        if(!mesh || !new_key || !new_keylen) {
                logger(mesh, MESHLINK_ERROR, "Invalid arguments given!\n");
@@ -1544,6 +1555,8 @@ meshlink_handle_t *meshlink_open_ex(const meshlink_open_params_t *params) {
 
        // If no configuration exists yet, create it.
 
+       bool new_configuration = false;
+
        if(!meshlink_confbase_exists(mesh)) {
                if(!mesh->name) {
                        logger(NULL, MESHLINK_ERROR, "No configuration files found!\n");
@@ -1557,6 +1570,8 @@ meshlink_handle_t *meshlink_open_ex(const meshlink_open_params_t *params) {
                        meshlink_close(mesh);
                        return NULL;
                }
+
+               new_configuration = true;
        } else {
                if(!meshlink_read_config(mesh)) {
                        logger(NULL, MESHLINK_ERROR, "Cannot read main configuration\n");
@@ -1565,6 +1580,8 @@ meshlink_handle_t *meshlink_open_ex(const meshlink_open_params_t *params) {
                }
        }
 
+       mesh->storage_policy = params->storage_policy;
+
 #ifdef HAVE_MINGW
        struct WSAData wsa_state;
        WSAStartup(MAKEWORD(2, 2), &wsa_state);
@@ -1601,7 +1618,7 @@ meshlink_handle_t *meshlink_open_ex(const meshlink_open_params_t *params) {
 
        add_local_addresses(mesh);
 
-       if(!node_write_config(mesh, mesh->self)) {
+       if(!node_write_config(mesh, mesh->self, new_configuration)) {
                logger(NULL, MESHLINK_ERROR, "Cannot update configuration\n");
                return NULL;
        }
@@ -1829,7 +1846,7 @@ void meshlink_stop(meshlink_handle_t *mesh) {
        if(mesh->nodes) {
                for splay_each(node_t, n, mesh->nodes) {
                        if(n->status.dirty) {
-                               n->status.dirty = !node_write_config(mesh, n);
+                               n->status.dirty = !node_write_config(mesh, n, false);
                        }
                }
        }
@@ -2645,7 +2662,7 @@ bool meshlink_set_canonical_address(meshlink_handle_t *mesh, meshlink_node_t *no
        free(n->canonical_address);
        n->canonical_address = canonical_address;
 
-       if(!node_write_config(mesh, n)) {
+       if(!node_write_config(mesh, n, false)) {
                pthread_mutex_unlock(&mesh->mutex);
                return false;
        }
@@ -2669,7 +2686,7 @@ bool meshlink_clear_canonical_address(meshlink_handle_t *mesh, meshlink_node_t *
        free(n->canonical_address);
        n->canonical_address = NULL;
 
-       if(!node_write_config(mesh, n)) {
+       if(!node_write_config(mesh, n, false)) {
                pthread_mutex_unlock(&mesh->mutex);
                return false;
        }
@@ -2919,7 +2936,7 @@ char *meshlink_invite_ex(meshlink_handle_t *mesh, meshlink_submesh_t *submesh, c
 
        // If we changed our own host config file, write it out now
        if(mesh->self->status.dirty) {
-               if(!node_write_config(mesh, mesh->self)) {
+               if(!node_write_config(mesh, mesh->self, false)) {
                        logger(mesh, MESHLINK_ERROR, "Could not write our own host config file!\n");
                        pthread_mutex_unlock(&mesh->mutex);
                        return NULL;
@@ -3415,7 +3432,7 @@ bool meshlink_import(meshlink_handle_t *mesh, const char *data) {
                n->last_reachable = 0;
                n->last_unreachable = 0;
 
-               if(!node_write_config(mesh, n)) {
+               if(!node_write_config(mesh, n, true)) {
                        free_node(n);
                        return false;
                }
@@ -3489,7 +3506,7 @@ static bool blacklist(meshlink_handle_t *mesh, node_t *n) {
        /* Remove any outstanding invitations */
        invitation_purge_node(mesh, n->name);
 
-       return node_write_config(mesh, n) && config_sync(mesh, "current");
+       return node_write_config(mesh, n, true) && config_sync(mesh, "current");
 }
 
 bool meshlink_blacklist(meshlink_handle_t *mesh, meshlink_node_t *node) {
@@ -3561,7 +3578,7 @@ static bool whitelist(meshlink_handle_t *mesh, node_t *n) {
                update_node_status(mesh, n);
        }
 
-       return node_write_config(mesh, n) && config_sync(mesh, "current");
+       return node_write_config(mesh, n, true) && config_sync(mesh, "current");
 }
 
 bool meshlink_whitelist(meshlink_handle_t *mesh, meshlink_node_t *node) {
@@ -3695,7 +3712,7 @@ void meshlink_hint_address(meshlink_handle_t *mesh, meshlink_node_t *node, const
        node_t *n = (node_t *)node;
 
        if(node_add_recent_address(mesh, n, (sockaddr_t *)addr)) {
-               if(!node_write_config(mesh, n)) {
+               if(!node_write_config(mesh, n, false)) {
                        logger(mesh, MESHLINK_DEBUG, "Could not update %s\n", n->name);
                }
        }
@@ -4644,6 +4661,20 @@ void meshlink_set_scheduling_granularity(struct meshlink_handle *mesh, long gran
        utcp_set_clock_granularity(granularity);
 }
 
+void meshlink_set_storage_policy(struct meshlink_handle *mesh, meshlink_storage_policy_t policy) {
+       if(!mesh) {
+               meshlink_errno = EINVAL;
+               return;
+       }
+
+       if(pthread_mutex_lock(&mesh->mutex) != 0) {
+               abort();
+       }
+
+       mesh->storage_policy = policy;
+       pthread_mutex_unlock(&mesh->mutex);
+}
+
 void handle_network_change(meshlink_handle_t *mesh, bool online) {
        (void)online;