/*
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 "logger.h"
#include "meta.h"
#include "net.h"
/* Setup sockets */
-static void configure_tcp(connection_t *c)
-{
+static void configure_tcp(connection_t *c) {
int option;
#ifdef O_NONBLOCK
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)
#endif
}
-int setup_listen_socket(const sockaddr_t *sa)
-{
+int setup_listen_socket(const sockaddr_t *sa) {
int nfd;
char *addrstr;
int option;
return nfd;
}
-int setup_vpn_in_socket(const sockaddr_t *sa)
-{
+int setup_vpn_in_socket(const sockaddr_t *sa) {
int nfd;
char *addrstr;
int option;
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;
return nfd;
}
-void retry_outgoing(outgoing_t *outgoing)
-{
- event_t *event;
+static void retry_outgoing_handler(int fd, short events, void *data) {
+ do_outgoing_connection(data);
+}
+void retry_outgoing(outgoing_t *outgoing) {
cp();
outgoing->timeout += 5;
if(outgoing->timeout > maxtimeout)
outgoing->timeout = maxtimeout;
- event = new_event();
- event->handler = (event_handler_t) setup_outgoing_connection;
- event->time = now + outgoing->timeout;
- event->data = outgoing;
- event_add(event);
+ timeout_set(&outgoing->ev, retry_outgoing_handler, outgoing);
+ event_add(&outgoing->ev, &(struct timeval){outgoing->timeout, 0});
ifdebug(CONNECTIONS) logger(LOG_NOTICE,
_("Trying to re-establish outgoing connection in %d seconds"),
outgoing->timeout);
}
-void finish_connecting(connection_t *c)
-{
- int option;
-
+void finish_connecting(connection_t *c) {
cp();
ifdebug(CONNECTIONS) logger(LOG_INFO, _("Connected to %s (%s)"), c->name, c->hostname);
configure_tcp(c);
- c->last_ping_time = now;
+ c->last_ping_time = time(NULL);
+ c->status.connecting = false;
send_id(c);
}
-void do_outgoing_connection(connection_t *c)
-{
+void do_outgoing_connection(connection_t *c) {
char *address, *port;
- int option, result, flags;
+ int result;
cp();
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;
}
return;
}
-void setup_outgoing_connection(outgoing_t *outgoing)
-{
+void setup_outgoing_connection(outgoing_t *outgoing) {
connection_t *c;
node_t *n;
}
c->outgoing = outgoing;
- c->last_ping_time = now;
+ c->last_ping_time = time(NULL);
connection_add(c);
do_outgoing_connection(c);
+
+ event_set(&c->ev, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
+ event_set(&c->outev, c->socket, EV_WRITE | EV_PERSIST, flush_meta, c);
+ if(event_add(&c->ev, NULL) < 0) {
+ logger(LOG_EMERG, _("event_add failed: %s"), strerror(errno));
+ abort();
+ }
}
/*
accept a new tcp connect and create a
new connection
*/
-bool handle_new_meta_connection(int sock)
-{
- int option;
+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();
fd = accept(sock, &sa.sa, &len);
if(fd < 0) {
- logger(LOG_ERR, _("Accepting a new connection failed: %s"),
- strerror(errno));
- return false;
+ logger(LOG_ERR, _("Accepting a new connection failed: %s"), strerror(errno));
+ return;
}
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;
c->address = sa;
c->hostname = sockaddr2hostname(&sa);
c->socket = fd;
- c->last_ping_time = now;
+ c->last_ping_time = time(NULL);
ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Connection from %s"), c->hostname);
+ event_set(&c->ev, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
+ event_set(&c->outev, c->socket, EV_WRITE | EV_PERSIST, flush_meta, c);
+ if(event_add(&c->ev, NULL) < 0) {
+ logger(LOG_ERR, _("event_add failed: %s"), strerror(errno));
+ connection_del(c);
+ return;
+ }
+
configure_tcp(c);
connection_add(c);
c->allow_request = ID;
send_id(c);
-
- return true;
}
-void try_outgoing_connections(void)
-{
+void try_outgoing_connections(void) {
static config_t *cfg = NULL;
char *name;
outgoing_t *outgoing;
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