X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeshlink.c;h=958c23e4d83c14cc748fcf3cbb162195395234f0;hb=359de4c8f0085f6b1af47b9d9e92b3ddc6c47cab;hp=a7e94e3a599db2cbb7772f2adffc1f93f0cf97fa;hpb=8538d6c661a083774e5b54163eaf5cdbcadcda6d;p=meshlink

diff --git a/src/meshlink.c b/src/meshlink.c
index a7e94e3a..958c23e4 100644
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -661,6 +661,11 @@ static bool finalize_join(meshlink_handle_t *mesh, const void *buf, uint16_t len
 		}
 	}
 
+	/* Ensure the configuration directory metadata is on disk */
+	if(!config_sync(mesh, "current")) {
+		return false;
+	}
+
 	sptps_send_record(&(mesh->sptps), 1, ecdsa_get_public_key(mesh->private_key), 32);
 
 	logger(mesh, MESHLINK_DEBUG, "Configuration stored in: %s\n", mesh->confbase);
@@ -890,6 +895,11 @@ static bool meshlink_setup(meshlink_handle_t *mesh) {
 		return false;
 	}
 
+	/* Ensure the configuration directory metadata is on disk */
+	if(!config_sync(mesh, "current")) {
+		return false;
+	}
+
 	if(!main_config_lock(mesh)) {
 		logger(NULL, MESHLINK_ERROR, "Cannot lock main config file\n");
 		meshlink_errno = MESHLINK_ESTORAGE;
@@ -1150,6 +1160,14 @@ void meshlink_open_params_free(meshlink_open_params_t *params) {
 	free(params);
 }
 
+/// Device class traits
+static const dev_class_traits_t default_class_traits[DEV_CLASS_COUNT] = {
+	{ .pingtimeout = 5, .pinginterval = 60, .min_connects = 3, .max_connects = 10000, .edge_weight = 1 }, // DEV_CLASS_BACKBONE
+	{ .pingtimeout = 5, .pinginterval = 60, .min_connects = 3, .max_connects = 100, .edge_weight = 3 },   // DEV_CLASS_STATIONARY
+	{ .pingtimeout = 5, .pinginterval = 60, .min_connects = 3, .max_connects = 3, .edge_weight = 6 },     // DEV_CLASS_PORTABLE
+	{ .pingtimeout = 5, .pinginterval = 60, .min_connects = 1, .max_connects = 1, .edge_weight = 9 },     // DEV_CLASS_UNKNOWN
+};
+
 meshlink_handle_t *meshlink_open(const char *confbase, const char *name, const char *appname, dev_class_t devclass) {
 	if(!confbase || !*confbase) {
 		logger(NULL, MESHLINK_ERROR, "No confbase given!\n");
@@ -1178,7 +1196,8 @@ meshlink_handle_t *meshlink_open_encrypted(const char *confbase, const char *nam
 	}
 
 	/* Create a temporary struct on the stack, to avoid allocating and freeing one. */
-	meshlink_open_params_t params = {NULL};
+	meshlink_open_params_t params;
+	memset(&params, 0, sizeof(params));
 
 	params.confbase = (char *)confbase;
 	params.name = (char *)name;
@@ -1195,7 +1214,8 @@ meshlink_handle_t *meshlink_open_encrypted(const char *confbase, const char *nam
 
 meshlink_handle_t *meshlink_open_ephemeral(const char *name, const char *appname, dev_class_t devclass) {
 	/* Create a temporary struct on the stack, to avoid allocating and freeing one. */
-	meshlink_open_params_t params = {NULL};
+	meshlink_open_params_t params;
+	memset(&params, 0, sizeof(params));
 
 	params.name = (char *)name;
 	params.appname = (char *)appname;
@@ -1261,6 +1281,10 @@ meshlink_handle_t *meshlink_open_ex(const meshlink_open_params_t *params) {
 	mesh->invitation_timeout = 604800; // 1 week
 	mesh->netns = params->netns;
 	mesh->submeshes = NULL;
+	mesh->log_cb = global_log_cb;
+	mesh->log_level = global_log_level;
+
+	memcpy(mesh->dev_class_traits, default_class_traits, sizeof(default_class_traits));
 
 	if(usingname) {
 		mesh->name = xstrdup(params->name);
@@ -1648,6 +1672,17 @@ void meshlink_set_node_status_cb(meshlink_handle_t *mesh, meshlink_node_status_c
 	pthread_mutex_unlock(&(mesh->mesh_mutex));
 }
 
+void meshlink_set_node_pmtu_cb(meshlink_handle_t *mesh, meshlink_node_pmtu_cb_t cb) {
+	if(!mesh) {
+		meshlink_errno = MESHLINK_EINVAL;
+		return;
+	}
+
+	pthread_mutex_lock(&(mesh->mesh_mutex));
+	mesh->node_pmtu_cb = cb;
+	pthread_mutex_unlock(&(mesh->mesh_mutex));
+}
+
 void meshlink_set_node_duplicate_cb(meshlink_handle_t *mesh, meshlink_node_duplicate_cb_t cb) {
 	if(!mesh) {
 		meshlink_errno = MESHLINK_EINVAL;
@@ -2137,9 +2172,6 @@ bool meshlink_set_port(meshlink_handle_t *mesh, int port) {
 	free(mesh->myport);
 	xasprintf(&mesh->myport, "%d", port);
 
-	/* Write meshlink.conf with the updated port number */
-	write_main_config_files(mesh);
-
 	/* Close down the network. This also deletes mesh->self. */
 	close_network_connections(mesh);
 
@@ -2160,6 +2192,17 @@ bool meshlink_set_port(meshlink_handle_t *mesh, int port) {
 		rval = true;
 	}
 
+	/* Rebuild our own list of recent addresses */
+	memset(mesh->self->recent, 0, sizeof(mesh->self->recent));
+	add_local_addresses(mesh);
+
+	/* Write meshlink.conf with the updated port number */
+	write_main_config_files(mesh);
+
+	if(!config_sync(mesh, "current")) {
+		return false;
+	}
+
 done:
 	pthread_mutex_unlock(&(mesh->mesh_mutex));
 
@@ -2268,7 +2311,8 @@ char *meshlink_invite_ex(meshlink_handle_t *mesh, meshlink_submesh_t *submesh, c
 	 * Note: make sure we only add config files of nodes that are in the core mesh or the same submesh,
 	 * and are not blacklisted.
 	 */
-	config_t configs[5] = {NULL};
+	config_t configs[5];
+	memset(configs, 0, sizeof(configs));
 	int count = 0;
 
 	if(config_read(mesh, "current", mesh->self->name, &configs[count], mesh->config_key)) {
@@ -2699,6 +2743,10 @@ bool meshlink_import(meshlink_handle_t *mesh, const char *data) {
 		return false;
 	}
 
+	if(!config_sync(mesh, "current")) {
+		return false;
+	}
+
 	return true;
 }
 
@@ -2728,6 +2776,8 @@ void meshlink_blacklist(meshlink_handle_t *mesh, meshlink_node_t *node) {
 
 	n->status.blacklisted = true;
 	node_write_config(mesh, n);
+	config_sync(mesh, "current");
+
 	logger(mesh, MESHLINK_DEBUG, "Blacklisted %s.\n", node->name);
 
 	//Immediately terminate any connections we have with the blacklisted node
@@ -2771,6 +2821,11 @@ void meshlink_whitelist(meshlink_handle_t *mesh, meshlink_node_t *node) {
 
 	n->status.blacklisted = false;
 	node_write_config(mesh, n);
+	config_sync(mesh, "current");
+
+	if(n->status.reachable) {
+		update_node_status(mesh, n);
+	}
 
 	pthread_mutex_unlock(&(mesh->mesh_mutex));
 	return;
@@ -3097,7 +3152,9 @@ void meshlink_channel_shutdown(meshlink_handle_t *mesh, meshlink_channel_t *chan
 		return;
 	}
 
+	pthread_mutex_lock(&mesh->mesh_mutex);
 	utcp_shutdown(channel->c, direction);
+	pthread_mutex_unlock(&mesh->mesh_mutex);
 }
 
 void meshlink_channel_close(meshlink_handle_t *mesh, meshlink_channel_t *channel) {
@@ -3106,6 +3163,8 @@ void meshlink_channel_close(meshlink_handle_t *mesh, meshlink_channel_t *channel
 		return;
 	}
 
+	pthread_mutex_lock(&mesh->mesh_mutex);
+
 	utcp_close(channel->c);
 
 	/* Clean up any outstanding AIO buffers. */
@@ -3121,6 +3180,8 @@ void meshlink_channel_close(meshlink_handle_t *mesh, meshlink_channel_t *channel
 		free(aio);
 	}
 
+	pthread_mutex_unlock(&mesh->mesh_mutex);
+
 	free(channel);
 }
 
@@ -3339,6 +3400,16 @@ void update_node_status(meshlink_handle_t *mesh, node_t *n) {
 	if(mesh->node_status_cb) {
 		mesh->node_status_cb(mesh, (meshlink_node_t *)n, n->status.reachable && !n->status.blacklisted);
 	}
+
+	if(mesh->node_pmtu_cb) {
+		mesh->node_pmtu_cb(mesh, (meshlink_node_t *)n, n->minmtu);
+	}
+}
+
+void update_node_pmtu(meshlink_handle_t *mesh, node_t *n) {
+	if(mesh->node_pmtu_cb && !n->status.blacklisted) {
+		mesh->node_pmtu_cb(mesh, (meshlink_node_t *)n, n->minmtu);
+	}
 }
 
 void handle_duplicate_node(meshlink_handle_t *mesh, node_t *n) {
@@ -3383,6 +3454,23 @@ end:
 #endif
 }
 
+void meshlink_set_dev_class_timeouts(meshlink_handle_t *mesh, dev_class_t devclass, int pinginterval, int pingtimeout) {
+	if(!mesh || devclass < 0 || devclass >= DEV_CLASS_COUNT) {
+		meshlink_errno = EINVAL;
+		return;
+	}
+
+	if(pinginterval < 1 || pingtimeout < 1 || pingtimeout > pinginterval) {
+		meshlink_errno = EINVAL;
+		return;
+	}
+
+	pthread_mutex_lock(&mesh->mesh_mutex);
+	mesh->dev_class_traits[devclass].pinginterval = pinginterval;
+	mesh->dev_class_traits[devclass].pingtimeout = pingtimeout;
+	pthread_mutex_unlock(&mesh->mesh_mutex);
+}
+
 void handle_network_change(meshlink_handle_t *mesh, bool online) {
 	(void)online;
 
@@ -3403,11 +3491,3 @@ static void __attribute__((constructor)) meshlink_init(void) {
 static void __attribute__((destructor)) meshlink_exit(void) {
 	crypto_exit();
 }
-
-/// Device class traits
-const 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
-};