void
signal_printer_dcc_chat_failed(gpointer *params)
{
struct DCC *dcc = params[0];
server *serv = dcc->serv;
gchar *portbuf = params[1];
gchar *error = params[2];
session_print_format(serv->front_session, "dcc chat failed", dcc->nick, net_ip(dcc->addr), portbuf, error, 0);
dcc_close(dcc, STAT_FAILED, FALSE);
}
static void
dcc_info (struct DCC *dcc)
{
char tbuf[256];
snprintf (tbuf, 255, _(" File: %s\n"
" To/From: %s\n"
" Size: %d\n"
" Port: %d\n"
" IP Number: %s\n"
"Start Time: %s"),
dcc->file,
dcc->nick,
dcc->size,
dcc->port,
net_ip (dcc->addr), ctime (&dcc->starttime));
gtkutil_simpledialog (tbuf);
}
static as_bool timer_cb (int test_id)
{
static int count = 1;
TCPC *c;
printf ("[%d] Timer callback %d\n", test_id, count);
if (count < 5)
{
count++;
return TRUE; /* call us again */
}
/* reset count for next test */
count = 1;
printf ("[%d] Timer test completed successfully.\n", test_id);
/* do a socket event test */
printf ("[%d] Step 2: Trying TCP connection to 127.0.0.1:1111 with 10 "
"second timeout...\n", test_id);
if (!(c = tcp_open (net_ip ("127.0.0.1"), 1111, FALSE)))
{
printf ("[%d] tcp_open() failed.\n", test_id);
return FALSE;
}
c->udata = (void *)test_id;
if (input_add (c->fd, (void *)c, INPUT_WRITE,
(InputCallback)input_cb, 10 * SECONDS) == 0)
{
printf ("[%d] input_add() failed.\n", test_id);
tcp_close (c);
return FALSE;
}
return FALSE; /* discard this timer */
}
static void
dcc_details_populate (struct DCC *dcc)
{
char buf[128];
if (!dcc)
{
gtk_label_set_text (GTK_LABEL (dccfwin.file_label), NULL);
gtk_label_set_text (GTK_LABEL (dccfwin.address_label), NULL);
return;
}
/* full path */
if (dcc->type == TYPE_RECV)
gtk_label_set_text (GTK_LABEL (dccfwin.file_label), dcc->destfile);
else
gtk_label_set_text (GTK_LABEL (dccfwin.file_label), dcc->file);
/* address and port */
snprintf (buf, sizeof (buf), "%s : %d", net_ip (dcc->addr), dcc->port);
gtk_label_set_text (GTK_LABEL (dccfwin.address_label), buf);
}
static void fst_plugin_connect_next ()
{
FSTNode *node;
FSTSession *sess;
List *l;
int count = 0, nsessions, nconnecting = 0;
nsessions = config_get_int (FST_PLUGIN->conf, "main/additional_sessions=0");
if (nsessions > FST_MAX_ADDITIONAL_SESSIONS)
nsessions = FST_MAX_ADDITIONAL_SESSIONS;
/* determine number of currently connecting sessions */
nconnecting = (FST_PLUGIN->session && FST_PLUGIN->session->state != SessEstablished) ? 1 : 0;
for (l = FST_PLUGIN->sessions; l; l = l->next)
{
assert (l->data);
if (((FSTSession*)l->data)->state != SessEstablished)
nconnecting++;
}
/* connect to head node in node cache */
while ((!FST_PLUGIN->session ||
list_length (FST_PLUGIN->sessions) <= nsessions) &&
nconnecting <= FST_SESSION_MAX_CONCURRENT_ATTEMPTS)
{
if (!(node = fst_nodecache_get_front (FST_PLUGIN->nodecache)))
{
/* node cache empty */
FST_ERR ("All attempts at contacting peers have failed. Trying default nodes file.");
if (fst_nodecache_load (FST_PLUGIN->nodecache,
stringf ("%s/FastTrack/nodes", platform_data_dir())) <= 0 ||
!(node = fst_nodecache_get_front (FST_PLUGIN->nodecache)))
{
FST_ERR ("Failed to load default nodes file. Perhaps your installation is corrupt?");
return;
}
}
/* don't connect anywhere we're already connected to */
if (node->session)
{
/* move node to back of cache so next loop
* uses a different one */
fst_nodecache_move (FST_PLUGIN->nodecache, node, NodeInsertBack);
fst_node_release (node);
/* we've probably run out of nodes at this point, so
* wait a while until we get some more (continuing
* tends to produce an infinite loop) */
if (count++ >= list_length (FST_PLUGIN->sessions))
return;
continue;
}
/* don't connect to anywhere too close to an existing node */
if (dataset_lookup (FST_PLUGIN->peers, &node, sizeof(node)))
{
#if 0
FST_DBG_2 ("not connecting to close node %s:%d",
node->host, node->port);
#endif
/* move node to back of cache so next loop
* uses a different one */
fst_nodecache_move (FST_PLUGIN->nodecache, node, NodeInsertBack);
fst_node_release (node);
/* we've probably run out of nodes at this point, so
* wait a while until we get some more (continuing
* tends to produce an infinite loop) */
if (count++ >= list_length (FST_PLUGIN->sessions))
return;
continue;
}
/* don't connect to invalid ips */
if (!fst_utils_ip_routable (net_ip (node->host)))
{
FST_DBG_2 ("not connecting to unroutable node %s:%d",
node->host, node->port);
/* remove this node from cache */
fst_nodecache_remove (FST_PLUGIN->nodecache, node);
fst_node_release (node);
continue;
}
/* don't connect to banned ips */
if (config_get_int (FST_PLUGIN->conf, "main/banlist_filter=0") &&
fst_ipset_contains (FST_PLUGIN->banlist, net_ip (node->host)))
{
FST_DBG_2 ("not connecting to banned supernode %s:%d",
node->host, node->port);
/* remove this node from cache */
fst_nodecache_remove (FST_PLUGIN->nodecache, node);
fst_node_release (node);
continue;
}
/* create session and connect */
sess = fst_session_create (fst_plugin_session_callback);
if (!fst_session_connect (sess, node))
{
/* free session */
fst_session_free (sess);
sess = NULL;
/* TODO: check if name resolution in fst_session_connect() failed */
/* network down, wait a while before retrying */
FST_WARN_1 ("Internet connection seems down, sleeping...",
FST_SESSION_NETFAIL_INTERVAL / SECONDS);
/* move node to back of cache so next loop uses a different one; this
* won't help if the network really is down, but might under other
* circumstances */
fst_nodecache_move (FST_PLUGIN->nodecache, node, NodeInsertBack);
fst_node_release (node);
/* just wait until fst_plugin_try_connect() is next called */
return;
}
/* move node to back of cache so next loop uses a different one */
fst_nodecache_move (FST_PLUGIN->nodecache, node, NodeInsertBack);
fst_node_release (node);
/* We now have a new session object. Use it as primary session if we
* don't already have one. Otherwise use it as an additional one. */
if (!FST_PLUGIN->session)
{
FST_PLUGIN->session = sess;
}
else
{
FST_PLUGIN->sessions = list_prepend (FST_PLUGIN->sessions, sess);
}
nconnecting++;
}
/* don't ping if we're currently connected */
if (FST_PLUGIN->stats->sessions > 0)
return;
/* We started a connection attempt with the head node from nodecache.
* Try to quickly find some online nodes with udp in parallel now.
*/
if (FST_PLUGIN->discover && FST_PLUGIN->discover->pinged_nodes == 0)
{
List *item = FST_PLUGIN->nodecache->list;
int i = 0;
while (i < FST_UDP_DISCOVER_MAX_PINGS && item && item->data)
{
node = (FSTNode*)item->data;
if (!fst_udp_discover_ping_node (FST_PLUGIN->discover, node))
{
/* This may fail due to the network being down. While
* we could handle this in a special way doing nothing
* works fine if being somewhat inefficient. */
}
item = item->next;
i++;
}
FST_DBG_1 ("discovery cycle started with %d UDP pings", i);
}
}