X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeshlink.c;h=a93bdd674ac32579adc39ddf337645599f0bd913;hb=b58f3ce8a819286a58141b1ce557b2a3e51bea7e;hp=30b386846a7322e261a1b0f4888331773352fe0c;hpb=529b8fab8c21e7ae5af91d742ff202eab38e51f3;p=meshlink diff --git a/src/meshlink.c b/src/meshlink.c index 30b38684..a93bdd67 100644 --- a/src/meshlink.c +++ b/src/meshlink.c @@ -37,6 +37,7 @@ #include "ed25519/sha512.h" #include "discovery.h" #include "devtools.h" +#include "graph.h" #ifndef MSG_NOSIGNAL #define MSG_NOSIGNAL 0 @@ -667,6 +668,10 @@ static bool finalize_join(meshlink_handle_t *mesh, const void *buf, uint16_t len } } + /* Clear the reachability times, since we ourself have never seen these nodes yet */ + n->last_reachable = 0; + n->last_unreachable = 0; + if(!node_write_config(mesh, n)) { free_node(n); return false; @@ -719,7 +724,7 @@ static bool invitation_receive(void *handle, uint8_t type, const void *msg, uint return finalize_join(mesh, msg, len); case 1: - logger(mesh, MESHLINK_DEBUG, "Invitation succesfully accepted.\n"); + logger(mesh, MESHLINK_DEBUG, "Invitation successfully accepted.\n"); shutdown(mesh->sock, SHUT_RDWR); mesh->success = true; break; @@ -1527,8 +1532,9 @@ bool meshlink_start(meshlink_handle_t *mesh) { pthread_cond_wait(&mesh->cond, &mesh->mutex); mesh->threadstarted = true; - mesh->self->last_reachable = time(NULL); - mesh->self->status.dirty = true; + + // Ensure we are considered reachable + graph(mesh); pthread_mutex_unlock(&mesh->mutex); return true; @@ -1543,11 +1549,6 @@ void meshlink_stop(meshlink_handle_t *mesh) { pthread_mutex_lock(&mesh->mutex); logger(mesh, MESHLINK_DEBUG, "meshlink_stop called\n"); - if(mesh->self) { - mesh->self->last_unreachable = time(NULL); - mesh->self->status.dirty = true; - } - // Shut down the main thread event_loop_stop(&mesh->loop); @@ -1587,6 +1588,11 @@ void meshlink_stop(meshlink_handle_t *mesh) { exit_outgoings(mesh); + // Ensure we are considered unreachable + if(mesh->nodes) { + graph(mesh); + } + // Try to write out any changed node config files, ignore errors at this point. if(mesh->nodes) { for splay_each(node_t, n, mesh->nodes) { @@ -2143,6 +2149,31 @@ meshlink_submesh_t *meshlink_get_node_submesh(meshlink_handle_t *mesh, meshlink_ return s; } +bool meshlink_get_node_reachability(struct meshlink_handle *mesh, struct meshlink_node *node, time_t *last_reachable, time_t *last_unreachable) { + if(!mesh || !node) { + meshlink_errno = MESHLINK_EINVAL; + return NULL; + } + + node_t *n = (node_t *)node; + bool reachable; + + pthread_mutex_lock(&mesh->mutex); + reachable = n->status.reachable && !n->status.blacklisted; + + if(last_reachable) { + *last_reachable = n->last_reachable; + } + + if(last_unreachable) { + *last_unreachable = n->last_unreachable; + } + + pthread_mutex_unlock(&mesh->mutex); + + return reachable; +} + bool meshlink_sign(meshlink_handle_t *mesh, const void *data, size_t len, void *signature, size_t *siglen) { if(!mesh || !data || !len || !signature || !siglen) { meshlink_errno = MESHLINK_EINVAL; @@ -2401,7 +2432,7 @@ char *meshlink_invite_ex(meshlink_handle_t *mesh, meshlink_submesh_t *submesh, c } // Ensure no other nodes know about this name - if(meshlink_get_node(mesh, name)) { + if(lookup_node(mesh, name)) { logger(mesh, MESHLINK_ERROR, "A node with name %s is already known!\n", name); meshlink_errno = MESHLINK_EEXIST; pthread_mutex_unlock(&mesh->mutex); @@ -2427,7 +2458,7 @@ 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)) { - logger(mesh, MESHLINK_ERROR, "Could not write our own host conifg file!\n"); + logger(mesh, MESHLINK_ERROR, "Could not write our own host config file!\n"); pthread_mutex_unlock(&mesh->mutex); return NULL; } @@ -2892,7 +2923,11 @@ bool meshlink_import(meshlink_handle_t *mesh, const char *data) { break; } - if(!config_write(mesh, "current", n->name, &config, mesh->config_key)) { + /* Clear the reachability times, since we ourself have never seen these nodes yet */ + n->last_reachable = 0; + n->last_unreachable = 0; + + if(!node_write_config(mesh, n)) { free_node(n); return false; } @@ -2948,6 +2983,10 @@ static bool blacklist(meshlink_handle_t *mesh, node_t *n) { n->mtuprobes = 0; n->status.udp_confirmed = false; + if(n->status.reachable) { + n->last_unreachable = mesh->loop.now.tv_sec; + } + /* Graph updates will suppress status updates for blacklisted nodes, so we need to * manually call the status callback if necessary. */ @@ -3019,6 +3058,7 @@ static bool whitelist(meshlink_handle_t *mesh, node_t *n) { n->status.blacklisted = false; if(n->status.reachable) { + n->last_reachable = mesh->loop.now.tv_sec; update_node_status(mesh, n); }