X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet_socket.c;h=28b606798672d0ff31c16b15a905aea442db8859;hb=6c987fcbc5a1e2394dcbcd999d265cb9826be82b;hp=44d7f77159c5d586ceb8fdb62438e5f6c5593538;hpb=a22041922f160667573e9a5ae3f4195e1668906a;p=tinc

diff --git a/src/net_socket.c b/src/net_socket.c
index 44d7f771..28b60679 100644
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -43,6 +43,8 @@
 int addressfamily = AF_UNSPEC;
 int maxtimeout = 900;
 int seconds_till_retry = 5;
+int udp_rcvbuf = 0;
+int udp_sndbuf = 0;
 
 listen_socket_t listen_socket[MAXSOCKETS];
 int listen_sockets;
@@ -53,20 +55,6 @@ list_t *outgoing_list = NULL;
 static void configure_tcp(connection_t *c) {
 	int option;
 
-#ifdef O_NONBLOCK
-	int flags = fcntl(c->socket, F_GETFL);
-
-	if(fcntl(c->socket, F_SETFL, flags | O_NONBLOCK) < 0) {
-		logger(LOG_ERR, "fcntl for %s: %s", c->hostname, strerror(errno));
-	}
-#elif defined(WIN32)
-	unsigned long arg = 1;
-
-	if(ioctlsocket(c->socket, FIONBIO, &arg) != 0) {
-		logger(LOG_ERR, "ioctlsocket for %s: %d", c->hostname, sockstrerror(sockerrno));
-	}
-#endif
-
 #if defined(SOL_TCP) && defined(TCP_NODELAY)
 	option = 1;
 	setsockopt(c->socket, SOL_TCP, TCP_NODELAY, (void *)&option, sizeof option);
@@ -235,31 +223,15 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
 		return -1;
 	}
 
-#ifdef O_NONBLOCK
-	{
-		int flags = fcntl(nfd, F_GETFL);
-
-		if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0) {
-			closesocket(nfd);
-			logger(LOG_ERR, "System call `%s' failed: %s", "fcntl",
-				   strerror(errno));
-			return -1;
-		}
-	}
-#elif defined(WIN32)
-	{
-		unsigned long arg = 1;
-		if(ioctlsocket(nfd, FIONBIO, &arg) != 0) {
-			closesocket(nfd);
-			logger(LOG_ERR, "Call to `%s' failed: %s", "ioctlsocket", sockstrerror(sockerrno));
-			return -1;
-		}
-	}
-#endif
-
 	option = 1;
 	setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, (void *)&option, sizeof option);
 
+	if(udp_rcvbuf && setsockopt(nfd, SOL_SOCKET, SO_RCVBUF, (void *)&udp_rcvbuf, sizeof(udp_rcvbuf)))
+		logger(LOG_WARNING, "Can't set UDP SO_RCVBUF to %i: %s", udp_rcvbuf, strerror(errno));
+
+	if(udp_sndbuf && setsockopt(nfd, SOL_SOCKET, SO_SNDBUF, (void *)&udp_sndbuf, sizeof(udp_sndbuf)))
+		logger(LOG_WARNING, "Can't set UDP SO_SNDBUF to %i: %s", udp_sndbuf, strerror(errno));
+
 #if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
 	if(sa->sa.sa_family == AF_INET6)
 		setsockopt(nfd, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&option, sizeof option);
@@ -313,7 +285,7 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
 	return nfd;
 } /* int setup_vpn_in_socket */
 
-static void retry_outgoing_handler(int fd, short events, void *data) {
+static void retry_outgoing_handler(void *data) {
 	setup_outgoing_connection(data);
 }
 
@@ -323,8 +295,9 @@ void retry_outgoing(outgoing_t *outgoing) {
 	if(outgoing->timeout > maxtimeout)
 		outgoing->timeout = maxtimeout;
 
-	timeout_set(&outgoing->ev, retry_outgoing_handler, outgoing);
-	event_add(&outgoing->ev, &(struct timeval){outgoing->timeout, 0});
+	outgoing->ev.handler = retry_outgoing_handler;
+	outgoing->ev.time = time(NULL) + outgoing->timeout;
+	event_add(&outgoing->ev);
 
 	ifdebug(CONNECTIONS) logger(LOG_NOTICE,
 			   "Trying to re-establish outgoing connection in %d seconds",
@@ -441,21 +414,6 @@ begin:
 	return;
 }
 
-void handle_meta_read(struct bufferevent *event, void *data) {
-	logger(LOG_ERR, "handle_meta_read() called");
-	abort();
-}
-
-void handle_meta_write(struct bufferevent *event, void *data) {
-	ifdebug(META) logger(LOG_DEBUG, "handle_meta_write() called");
-}
-
-void handle_meta_connection_error(struct bufferevent *event, short what, void *data) {
-	connection_t *c = data;
-	logger(LOG_ERR, "handle_meta_connection_error() called: %d: %s", what, strerror(errno));
-	terminate_connection(c, c->status.active);
-}
-
 void setup_outgoing_connection(outgoing_t *outgoing) {
 	connection_t *c;
 	node_t *n;
@@ -497,64 +455,59 @@ void setup_outgoing_connection(outgoing_t *outgoing) {
 
 	do_outgoing_connection(c);
 
-	event_set(&c->inevent, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
-	event_add(&c->inevent, NULL);
-	c->buffer = bufferevent_new(c->socket, handle_meta_read, handle_meta_write, handle_meta_connection_error, c);
-	if(!c->buffer) {
-		logger(LOG_ERR, "bufferevent_new() failed: %s", strerror(errno));
+	if(!thread_create(&c->thread, handle_meta_connection_data, c)) {
+		logger(LOG_ERR, "create_thread() failed: %s", strerror(errno));
 		abort();
 	}
-	bufferevent_disable(c->buffer, EV_READ);
 }
 
 /*
   accept a new tcp connect and create a
   new connection
 */
-void handle_new_meta_connection(int sock, short events, void *data) {
+void handle_new_meta_connection(void *data) {
+	listen_socket_t *l = data;
 	connection_t *c;
 	sockaddr_t sa;
 	int fd;
 	socklen_t len = sizeof sa;
 
-	fd = accept(sock, &sa.sa, &len);
+	while(true) {
+		fd = accept(l->tcp, &sa.sa, &len);
 
-	if(fd < 0) {
-		logger(LOG_ERR, "Accepting a new connection failed: %s", sockstrerror(sockerrno));
-		return;
-	}
+		if(fd < 0) {
+			logger(LOG_ERR, "Accepting a new connection failed: %s", sockstrerror(sockerrno));
+			return;
+		}
 
-	sockaddrunmap(&sa);
+		sockaddrunmap(&sa);
 
-	c = new_connection();
-	c->name = xstrdup("<unknown>");
-	c->outcipher = myself->connection->outcipher;
-	c->outdigest = myself->connection->outdigest;
-	c->outmaclength = myself->connection->outmaclength;
-	c->outcompression = myself->connection->outcompression;
+		c = new_connection();
+		c->name = xstrdup("<unknown>");
+		c->outcipher = myself->connection->outcipher;
+		c->outdigest = myself->connection->outdigest;
+		c->outmaclength = myself->connection->outmaclength;
+		c->outcompression = myself->connection->outcompression;
 
-	c->address = sa;
-	c->hostname = sockaddr2hostname(&sa);
-	c->socket = fd;
-	c->last_ping_time = time(NULL);
+		c->address = sa;
+		c->hostname = sockaddr2hostname(&sa);
+		c->socket = fd;
+		c->last_ping_time = time(NULL);
 
-	ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Connection from %s", c->hostname);
+		ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Connection from %s", c->hostname);
 
-	event_set(&c->inevent, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
-	event_add(&c->inevent, NULL);
-	c->buffer = bufferevent_new(c->socket, NULL, handle_meta_write, handle_meta_connection_error, c);
-	if(!c->buffer) {
-		logger(LOG_ERR, "bufferevent_new() failed: %s", strerror(errno));
-		abort();
-	}
-	bufferevent_disable(c->buffer, EV_READ);
-		
-	configure_tcp(c);
+		configure_tcp(c);
 
-	connection_add(c);
+		connection_add(c);
 
-	c->allow_request = ID;
-	send_id(c);
+		c->allow_request = ID;
+		send_id(c);
+
+		if(!thread_create(&c->thread, handle_meta_connection_data, c)) {
+			logger(LOG_ERR, "create_thread() failed: %s", strerror(errno));
+			abort();
+		}
+	}
 }
 
 void free_outgoing(outgoing_t *outgoing) {