/*
net_socket.c -- Handle various kinds of sockets.
- Copyright (C) 1998-2005 Ivo Timmermans <ivo@tinc-vpn.org>,
- 2000-2005 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 1998-2005 Ivo Timmermans,
+ 2000-2007 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "avl_tree.h"
#include "conf.h"
#include "connection.h"
-#include "event.h"
+#include "tevent.h"
#include "logger.h"
#include "meta.h"
#include "net.h"
#define EINPROGRESS WSAEINPROGRESS
#endif
+/* Needed on Mac OS/X */
+#ifndef SOL_TCP
+#define SOL_TCP IPPROTO_TCP
+#endif
+
int addressfamily = AF_UNSPEC;
int maxtimeout = 900;
int seconds_till_retry = 5;
-bool blockingtcp = false;
listen_socket_t listen_socket[MAXSOCKETS];
int listen_sockets;
/* Setup sockets */
+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: WSA error %d"), c->hostname, WSAGetLastError());
+ }
+#endif
+
+#if defined(SOL_TCP) && defined(TCP_NODELAY)
+ option = 1;
+ setsockopt(c->socket, SOL_TCP, TCP_NODELAY, &option, sizeof(option));
+#endif
+
+#if defined(SOL_IP) && defined(IP_TOS) && defined(IPTOS_LOWDELAY)
+ option = IPTOS_LOWDELAY;
+ setsockopt(c->socket, SOL_IP, IP_TOS, &option, sizeof(option));
+#endif
+}
+
int setup_listen_socket(const sockaddr_t *sa)
{
int nfd;
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;
- }
- }
-#endif
-
/* Optimize TCP settings */
option = 1;
setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
-#if defined(SOL_TCP) && defined(TCP_NODELAY)
- setsockopt(nfd, SOL_TCP, TCP_NODELAY, &option, sizeof(option));
-#endif
-
-#if defined(SOL_IP) && defined(IP_TOS) && defined(IPTOS_LOWDELAY)
- option = IPTOS_LOWDELAY;
- setsockopt(nfd, SOL_IP, IP_TOS, &option, sizeof(option));
-#endif
-
if(get_config_string
(lookup_config(config_tree, "BindToInterface"), &iface)) {
#if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
return -1;
}
}
+#elif defined(WIN32)
+ {
+ unsigned long arg = 1;
+ if(ioctlsocket(nfd, FIONBIO, &arg) != 0) {
+ closesocket(nfd);
+ logger(LOG_ERR, _("Call to `%s' failed: WSA error %d"), "ioctlsocket",
+ WSAGetLastError());
+ return -1;
+ }
+ }
#endif
option = 1;
void retry_outgoing(outgoing_t *outgoing)
{
- event_t *event;
+ tevent_t *event;
cp();
if(outgoing->timeout > maxtimeout)
outgoing->timeout = maxtimeout;
- event = new_event();
+ event = new_tevent();
event->handler = (event_handler_t) setup_outgoing_connection;
event->time = now + outgoing->timeout;
event->data = outgoing;
- event_add(event);
+ tevent_add(event);
ifdebug(CONNECTIONS) logger(LOG_NOTICE,
_("Trying to re-establish outgoing connection in %d seconds"),
ifdebug(CONNECTIONS) logger(LOG_INFO, _("Connected to %s (%s)"), c->name, c->hostname);
-#ifdef O_NONBLOCK
- if(blockingtcp) {
- 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));
- }
- }
-#endif
+ configure_tcp(c);
c->last_ping_time = now;
void do_outgoing_connection(connection_t *c)
{
char *address, *port;
- int option, result, flags;
+ int result;
cp();
/* Optimize TCP settings */
-#if defined(SOL_TCP) && defined(TCP_NODELAY)
- option = 1;
- setsockopt(c->socket, SOL_TCP, TCP_NODELAY, &option, sizeof(option));
-#endif
-
-#if defined(SOL_IP) && defined(IP_TOS)
- option = IPTOS_LOWDELAY;
- setsockopt(c->socket, SOL_IP, IP_TOS, &option, sizeof(option));
-#endif
-
- /* Non-blocking */
-
-#ifdef O_NONBLOCK
- 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));
- }
-#endif
+ configure_tcp(c);
/* Connect */
result = connect(c->socket, &c->address.sa, SALEN(c->address.sa));
if(result == -1) {
- if(errno == EINPROGRESS) {
+ if(errno == EINPROGRESS
+#if defined(WIN32) && !defined(O_NONBLOCK)
+ || WSAGetLastError() == WSAEWOULDBLOCK
+#endif
+ ) {
c->status.connecting = true;
return;
}
accept a new tcp connect and create a
new connection
*/
-bool handle_new_meta_connection(int sock)
+void handle_new_meta_connection(int sock, short events, void *data)
{
connection_t *c;
sockaddr_t sa;
- int fd, len = sizeof(sa);
+ int fd;
+ socklen_t len = sizeof(sa);
cp();
if(fd < 0) {
logger(LOG_ERR, _("Accepting a new connection failed: %s"),
strerror(errno));
- return false;
}
sockaddrunmap(&sa);
c = new_connection();
- c->name = NULL;
+ c->name = xstrdup("<unknown>");
c->outcipher = myself->connection->outcipher;
c->outdigest = myself->connection->outdigest;
c->outmaclength = myself->connection->outmaclength;
ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Connection from %s"), c->hostname);
-#ifdef O_NONBLOCK
- if(blockingtcp) {
- 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));
- }
- }
-#endif
+ configure_tcp(c);
connection_add(c);
c->allow_request = ID;
send_id(c);
-
- return true;
}
void try_outgoing_connections(void)