X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnet_packet.c;h=f7d8640300a6bc5065b572e0828446e9b3cb7c0a;hb=3fba80174dbe29bcfe0d121a2a1d2e61be5ee57b;hp=7e617a613f5b8b6c1d09ceb71a3a533423f4c3a4;hpb=1fe8ba2f06c39d7c8b81f0e451bdbac94ae9375f;p=meshlink

diff --git a/src/net_packet.c b/src/net_packet.c
index 7e617a61..f7d86403 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -81,7 +81,6 @@ static void send_mtu_probe_handler(int fd, short events, void *data) {
 	if(!n->status.reachable || !n->status.validkey) {
 		ifdebug(TRAFFIC) logger(LOG_INFO, "Trying to send MTU probe to unreachable or rekeying node %s (%s)", n->name, n->hostname);
 		n->mtuprobes = 0;
-		event_del(&n->mtuevent);
 		return;
 	}
 
@@ -382,7 +381,6 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 	static int priority = 0;
 	int origpriority = origpkt->priority;
 #endif
-	int sock;
 
 	if(!n->status.reachable) {
 		ifdebug(TRAFFIC) logger(LOG_INFO, "Trying to send UDP packet to unreachable node %s (%s)", n->name, n->hostname);
@@ -464,26 +462,28 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 
 	/* Determine which socket we have to use */
 
-	for(sock = 0; sock < listen_sockets; sock++)
-		if(n->address.sa.sa_family == listen_socket[sock].sa.sa.sa_family)
-			break;
-
-	if(sock >= listen_sockets)
-		sock = 0;				/* If none is available, just use the first and hope for the best. */
+	if(n->address.sa.sa_family != listen_socket[n->sock].sa.sa.sa_family) {
+		for(int sock = 0; sock < listen_sockets; sock++) {
+			if(n->address.sa.sa_family == listen_socket[sock].sa.sa.sa_family) {
+				n->sock = sock;
+				break;
+			}
+		}
+	}
 
 	/* Send the packet */
 
 #if defined(SOL_IP) && defined(IP_TOS)
 	if(priorityinheritance && origpriority != priority
-	   && listen_socket[sock].sa.sa.sa_family == AF_INET) {
+	   && listen_socket[n->sock].sa.sa.sa_family == AF_INET) {
 		priority = origpriority;
 		ifdebug(TRAFFIC) logger(LOG_DEBUG, "Setting outgoing packet priority to %d", priority);
-		if(setsockopt(listen_socket[sock].udp, SOL_IP, IP_TOS, &priority, sizeof priority))	/* SO_PRIORITY doesn't seem to work */
+		if(setsockopt(listen_socket[n->sock].udp, SOL_IP, IP_TOS, &priority, sizeof(priority)))	/* SO_PRIORITY doesn't seem to work */
 			logger(LOG_ERR, "System call `%s' failed: %s", "setsockopt", strerror(errno));
 	}
 #endif
 
-	if(sendto(listen_socket[sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, &(n->address.sa), SALEN(n->address.sa)) < 0 && !sockwouldblock(sockerrno)) {
+	if(sendto(listen_socket[n->sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, &(n->address.sa), SALEN(n->address.sa)) < 0 && !sockwouldblock(sockerrno)) {
 		if(sockmsgsize(sockerrno)) {
 			if(n->maxmtu >= origlen)
 				n->maxmtu = origlen - 1;
@@ -508,7 +508,7 @@ void send_packet(node_t *n, vpn_packet_t *packet) {
 			 memcpy(packet->data, mymac.x, ETH_ALEN);
 		n->out_packets++;
 		n->out_bytes += packet->len;
-		write_packet(packet);
+		devops.write(packet);
 		return;
 	}
 
@@ -571,11 +571,6 @@ static node_t *try_harder(const sockaddr_t *from, const vpn_packet_t *pkt) {
 	static time_t last_hard_try = 0;
 	time_t now = time(NULL);
 
-	if(last_hard_try == now)
-		return NULL;
-	else
-		last_hard_try = now;
-
 	for(node = edge_weight_tree->head; node; node = node->next) {
 		e = node->data;
 
@@ -637,6 +632,8 @@ void handle_incoming_vpn_data(int sock, short events, void *data) {
 			return;
 	}
 
+	n->sock = (intptr_t)data;
+
 	receive_udppacket(n, &pkt);
 }
 
@@ -645,7 +642,7 @@ void handle_device_data(int sock, short events, void *data) {
 
 	packet.priority = 0;
 
-	if(read_packet(&packet)) {
+	if(devops.read(&packet)) {
 		myself->in_packets++;
 		myself->in_bytes += packet.len;
 		route(myself, &packet);