X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeshlink.c;h=4fa3a58000135bb71713659de90599dac492458e;hb=693fbd414983fdc87a34786093e0dbfab4542f6a;hp=9fc80153d48210b0cbb60f7c7793b673c4e090cd;hpb=cbcb7c1e64318a80dd72e5b09b45ab16e56e47de;p=meshlink diff --git a/src/meshlink.c b/src/meshlink.c index 9fc80153..4fa3a580 100644 --- a/src/meshlink.c +++ b/src/meshlink.c @@ -347,12 +347,7 @@ static bool try_bind(int port) { } static int check_port(meshlink_handle_t *mesh) { - if(try_bind(655)) - return 655; - - fprintf(stderr, "Warning: could not bind to port 655.\n"); - - for(int i = 0; i < 100; i++) { + for(int i = 0; i < 1000; i++) { int port = 0x1000 + (rand() & 0x7fff); if(try_bind(port)) { char filename[PATH_MAX]; @@ -365,7 +360,6 @@ static int check_port(meshlink_handle_t *mesh) { fprintf(f, "Port = %d\n", port); fclose(f); - fprintf(stderr, "MeshLink will instead listen on port %d.\n", port); return port; } } @@ -740,7 +734,13 @@ static bool meshlink_setup(meshlink_handle_t *mesh) { return true; } + meshlink_handle_t *meshlink_open(const char *confbase, const char *name) { + return meshlink_open_with_size(confbase, name, sizeof(meshlink_handle_t) ); +} + + +meshlink_handle_t *meshlink_open_with_size(const char *confbase, const char *name, size_t size) { // Validate arguments provided by the application bool usingname = false; @@ -763,10 +763,9 @@ meshlink_handle_t *meshlink_open(const char *confbase, const char *name) { } else { usingname = true;} } - meshlink_handle_t *mesh = xzalloc(sizeof *mesh); + meshlink_handle_t *mesh = xzalloc(size); mesh->confbase = xstrdup(confbase); if (usingname) mesh->name = xstrdup(name); - pthread_mutex_init ( &(mesh->outpacketqueue_mutex), NULL); pthread_mutex_init ( &(mesh->nodes_mutex), NULL); mesh->threadstarted = false; event_loop_init(&mesh->loop); @@ -827,7 +826,9 @@ static void *meshlink_main_loop(void *arg) { try_outgoing_connections(mesh); + fprintf(stderr, "Starting main_loop...\n"); main_loop(mesh); + fprintf(stderr, "main_loop returned.\n"); return NULL; } @@ -867,16 +868,26 @@ void meshlink_stop(meshlink_handle_t *mesh) { return; } - // Shut down the listening sockets to signal the main thread to shut down + listen_socket_t *s = &mesh->listen_socket[0]; - for(int i = 0; i < mesh->listen_sockets; i++) { - shutdown(mesh->listen_socket[i].tcp.fd, SHUT_RDWR); - shutdown(mesh->listen_socket[i].udp.fd, SHUT_RDWR); - } + // Shut down a listening socket to signal the main thread to shut down + + shutdown(s->tcp.fd, SHUT_RDWR); // Wait for the main thread to finish pthread_join(mesh->thread, NULL); + mesh->threadstarted = false; + + // Fix the socket + + closesocket(s->tcp.fd); + io_del(&mesh->loop, &s->tcp); + s->tcp.fd = setup_listen_socket(&s->sa); + if(s->tcp.fd < 0) + logger(DEBUG_ALWAYS, LOG_ERR, "Could not repair listenen socket!"); + else + io_add(&mesh->loop, &s->tcp, handle_new_meta_connection, s, s->tcp.fd, IO_READ); } void meshlink_close(meshlink_handle_t *mesh) { @@ -951,19 +962,15 @@ bool meshlink_send(meshlink_handle_t *mesh, meshlink_node_t *destination, const return false; } - /* If there is no outgoing list yet, create one. */ - - if(!mesh->outpacketqueue) - mesh->outpacketqueue = list_alloc(NULL); - //add packet to the queue outpacketqueue_t *packet_in_queue = xzalloc(sizeof *packet_in_queue); packet_in_queue->destination=destination; packet_in_queue->data=data; packet_in_queue->len=len; - pthread_mutex_lock(&(mesh->outpacketqueue_mutex)); - list_insert_head(mesh->outpacketqueue,packet_in_queue); - pthread_mutex_unlock(&(mesh->outpacketqueue_mutex)); + if(!meshlink_queue_push(&mesh->outpacketqueue, packet_in_queue)) { + free(packet_in_queue); + return false; + } //notify event loop signal_trigger(&(mesh->loop),&(mesh->datafromapp)); @@ -974,10 +981,9 @@ void meshlink_send_from_queue(event_loop_t* el,meshlink_handle_t *mesh) { vpn_packet_t packet; meshlink_packethdr_t *hdr = (meshlink_packethdr_t *)packet.data; - outpacketqueue_t* p = list_get_tail(mesh->outpacketqueue); - if (p) - list_delete_tail(mesh->outpacketqueue); - else return ; + outpacketqueue_t* p = meshlink_queue_pop(&mesh->outpacketqueue); + if(!p) + return; if (sizeof(meshlink_packethdr_t) + p->len > MAXSIZE) { //log something @@ -1386,7 +1392,7 @@ bool meshlink_join(meshlink_handle_t *mesh, const char *invitation) { } if(!port) - port = "655"; + goto invalid; if(!b64decode(slash, mesh->hash, 18) || !b64decode(slash + 24, mesh->cookie, 18)) goto invalid;