}
#endif
+static const int default_timeout = 5;
+static const int default_interval = 60;
+
/*
Terminate a connection:
- Mark it as inactive
and close the connection.
*/
static void timeout_handler(event_loop_t *loop, void *data) {
+ assert(data);
+
meshlink_handle_t *mesh = loop->data;
logger(mesh, MESHLINK_DEBUG, "timeout_handler()");
for list_each(connection_t, c, mesh->connections) {
+ int pingtimeout = c->node ? mesh->dev_class_traits[c->node->devclass].pingtimeout : default_timeout;
+ int pinginterval = c->node ? mesh->dev_class_traits[c->node->devclass].pinginterval : default_interval;
+
+ if(c->outgoing && c->outgoing->timeout < 5) {
+ pingtimeout = 1;
+ }
+
// Also make sure that if outstanding key requests for the UDP counterpart of a connection has timed out, we restart it.
if(c->node) {
- if(c->node->status.waitingforkey && c->node->last_req_key + mesh->pingtimeout <= mesh->loop.now.tv_sec) {
+ if(c->node->status.waitingforkey && c->node->last_req_key + pingtimeout <= mesh->loop.now.tv_sec) {
send_req_key(mesh, c->node);
}
}
- if(c->last_ping_time + mesh->pingtimeout <= mesh->loop.now.tv_sec) {
+ if(c->last_ping_time + pingtimeout <= mesh->loop.now.tv_sec) {
if(c->status.active) {
if(c->status.pinged) {
logger(mesh, MESHLINK_INFO, "%s didn't respond to PING in %ld seconds", c->name, (long)mesh->loop.now.tv_sec - c->last_ping_time);
- } else if(c->last_ping_time + mesh->pinginterval <= mesh->loop.now.tv_sec) {
+ } else if(c->last_ping_time + pinginterval <= mesh->loop.now.tv_sec) {
send_ping(mesh, c);
continue;
} else {
}
timeout_set(&mesh->loop, data, &(struct timeval) {
- mesh->pingtimeout, rand() % 100000
+ 1, prng(mesh, TIMER_FUDGE)
});
}
mesh->contradicting_add_edge = 0;
mesh->contradicting_del_edge = 0;
- int timeout = 5;
+ int timeout = default_timeout;
/* Check if we need to make or break connections. */
logger(mesh, MESHLINK_DEBUG, "--- autoconnect begin ---");
- int retry_timeout = min(mesh->nodes->count * 5, 60);
+ int retry_timeout = min(mesh->nodes->count * default_timeout, 60);
logger(mesh, MESHLINK_DEBUG, "* devclass = %d", mesh->devclass);
logger(mesh, MESHLINK_DEBUG, "* nodes = %d", mesh->nodes->count);
// get min_connects and max_connects
- unsigned int min_connects = dev_class_traits[mesh->devclass].min_connects;
- unsigned int max_connects = dev_class_traits[mesh->devclass].max_connects;
+ unsigned int min_connects = mesh->dev_class_traits[mesh->devclass].min_connects;
+ unsigned int max_connects = mesh->dev_class_traits[mesh->devclass].max_connects;
logger(mesh, MESHLINK_DEBUG, "* min_connects = %d", min_connects);
logger(mesh, MESHLINK_DEBUG, "* max_connects = %d", max_connects);
logger(mesh, MESHLINK_DEBUG, "* could not find node for initial connect");
}
- splay_free_tree(nodes);
+ splay_delete_tree(nodes);
}
if(!connect_to && min_connects <= cur_connects && cur_connects < max_connects) {
unsigned int connects = 0;
- for(int32_t devclass = 0; devclass <= mesh->devclass; ++devclass) {
+ for(dev_class_t devclass = 0; devclass <= mesh->devclass; ++devclass) {
for list_each(connection_t, c, mesh->connections) {
if(c->status.active && c->node && c->node->devclass == devclass) {
connects += 1;
logger(mesh, MESHLINK_DEBUG, "* found better node");
connect_to = (node_t *)nodes->head->data;
- splay_free_tree(nodes);
+ splay_delete_tree(nodes);
break;
}
- splay_free_tree(nodes);
+ splay_delete_tree(nodes);
} else {
break;
}
logger(mesh, MESHLINK_DEBUG, "* could not find nodes for partition healing");
}
- splay_free_tree(nodes);
+ splay_delete_tree(nodes);
}
if(min_connects < cur_connects /*&& cur_connects <= max_connects*/) {
unsigned int connects = 0;
- for(int32_t devclass = 0; devclass <= mesh->devclass; ++devclass) {
+ for(dev_class_t devclass = 0; devclass <= mesh->devclass; ++devclass) {
for list_each(connection_t, c, mesh->connections) {
if(c->status.active && c->node && c->node->devclass == devclass) {
connects += 1;
disconnect_from = (node_t *)nodes->head->data;
}
- splay_free_tree(nodes);
+ splay_delete_tree(nodes);
break;
}
}
logger(mesh, MESHLINK_DEBUG, "* no node we want to disconnect, even though we have too many connections");
}
- splay_free_tree(nodes);
+ splay_delete_tree(nodes);
}
for splay_each(node_t, n, mesh->nodes) {
if(n->status.dirty) {
- node_write_config(mesh, n);
+ if(node_write_config(mesh, n)) {
+ logger(mesh, MESHLINK_DEBUG, "Could not update %s", n->name);
+ }
+
n->status.dirty = false;
}
}
timeout_set(&mesh->loop, data, &(struct timeval) {
- timeout, rand() % 100000
+ timeout, prng(mesh, TIMER_FUDGE)
});
}
});
}
-#ifdef HAVE_IFADDRS_H
- struct ifaddrs *ifa = NULL;
- getifaddrs(&ifa);
-#endif
-
/* For active connections, check if their addresses are still valid.
* If yes, reset their ping timers, otherwise terminate them. */
for list_each(connection_t, c, mesh->connections) {
c->last_ping_time = 0;
}
-#ifdef HAVE_IFADDRS_H
-
- if(!ifa) {
- continue;
- }
-
sockaddr_t sa;
socklen_t salen = sizeof(sa);
continue;
}
- bool found = false;
+ switch(sa.sa.sa_family) {
+ case AF_INET:
+ sa.in.sin_port = 0;
+ break;
- for(struct ifaddrs *ifap = ifa; ifap; ifap = ifap->ifa_next) {
- if(ifap->ifa_addr && !sockaddrcmp_noport(&sa, (sockaddr_t *)ifap->ifa_addr)) {
- found = true;
- break;
- }
+ case AF_INET6:
+ sa.in6.sin6_port = 0;
+ break;
+ default:
+ continue;
}
- if(!found) {
+ int sock = socket(sa.sa.sa_family, SOCK_STREAM, IPPROTO_TCP);
+
+ if(sock != -1) {
+ continue;
+ }
+
+ if(bind(sock, &sa.sa, salen) && errno == EADDRNOTAVAIL) {
logger(mesh, MESHLINK_DEBUG, "Local address for connection to %s no longer valid, terminating", c->name);
terminate_connection(mesh, c, c->status.active);
}
-#endif
- }
-
-#ifdef HAVE_IFADDRS_H
-
- if(ifa) {
- freeifaddrs(ifa);
+ closesocket(sock);
}
-#endif
-
/* Kick the ping timeout handler */
timeout_set(&mesh->loop, &mesh->pingtimer, &(struct timeval) {
0, 0
/*
this is where it all happens...
*/
-int main_loop(meshlink_handle_t *mesh) {
+void main_loop(meshlink_handle_t *mesh) {
timeout_add(&mesh->loop, &mesh->pingtimer, timeout_handler, &mesh->pingtimer, &(struct timeval) {
- mesh->pingtimeout, rand() % 100000
+ 1, prng(mesh, TIMER_FUDGE)
});
timeout_add(&mesh->loop, &mesh->periodictimer, periodic_handler, &mesh->periodictimer, &(struct timeval) {
0, 0
//Add signal handler
mesh->datafromapp.signum = 0;
- signal_add(&(mesh->loop), &(mesh->datafromapp), (signal_cb_t)meshlink_send_from_queue, mesh, mesh->datafromapp.signum);
+ signal_add(&mesh->loop, &mesh->datafromapp, meshlink_send_from_queue, mesh, mesh->datafromapp.signum);
- if(!event_loop_run(&(mesh->loop), &(mesh->mesh_mutex))) {
+ if(!event_loop_run(&mesh->loop, &mesh->mutex)) {
logger(mesh, MESHLINK_ERROR, "Error while waiting for input: %s", strerror(errno));
- return 1;
+ call_error_cb(mesh, MESHLINK_ENETWORK);
}
+ signal_del(&mesh->loop, &mesh->datafromapp);
timeout_del(&mesh->loop, &mesh->periodictimer);
timeout_del(&mesh->loop, &mesh->pingtimer);
-
- return 0;
}
projects / meshlink / blobdiff