static void
_peer_shutdown (CcnetPeer *peer)
{
peer->in_shutdown = 1;
if (peer->net_state == PEER_CONNECTED) {
peer->last_down = time(NULL);
ccnet_packet_io_free (peer->io);
peer->io = NULL;
g_object_set (peer, "can-connect", 0, NULL);
}
peer->is_ready = 0;
g_free (peer->dns_addr);
peer->dns_addr = NULL;
peer->dns_done = 0;
/* clear session key when peer down */
peer->encrypt_channel = 0;
g_free (peer->session_key);
peer->session_key = NULL;
ccnet_debug ("Shutdown all processors for peer %s\n", peer->name);
shutdown_processors (peer);
remove_write_callbacks (peer);
ccnet_peer_set_net_state (peer, PEER_DOWN);
g_signal_emit (peer, signals[DOWN_SIG], 0);
peer->in_shutdown = 0;
}
static void
myHandshakeDoneCB (CcnetHandshake *handshake,
CcnetPacketIO *io,
int is_connected,
const char *peer_id,
void *vmanager)
{
CcnetConnManager *manager = vmanager;
CcnetPeerManager *peerMgr = manager->session->peer_mgr;
CcnetPeer *peer;
if (!is_connected) {
if (ccnet_packet_io_is_incoming (io)) {
ccnet_warning ("[conn] incoming handshake fails.\n");
ccnet_packet_io_free (io);
return;
}
/* temporally use peer, so don't need to increase the reference */
peer = handshake->peer;
if (peer->num_fails == 0) {
/* print error for the first time */
ccnet_message ("[Conn] peer %s(%.10s) connection fails\n",
peer->name, peer->id);
} else {
ccnet_debug ("[Conn] peer %s(%.10s) connection fails\n",
peer->name, peer->id);
}
if (peer->net_state == PEER_CONNECTED) {
ccnet_debug ("[Conn] But Peer %s(%.10s) is already connected me.\n",
peer->name, peer->id);
} else if (peer->net_state == PEER_DOWN){
ccnet_peer_shutdown(peer);
}
ccnet_packet_io_free (io);
peer->num_fails++;
peer->in_connection = 0;
return;
}
if (!ccnet_packet_io_is_incoming (io)) {
peer = handshake->peer;
peer->in_connection = 0;
if (peer->to_resolve) {
if (!peer_id_valid(peer_id)) {
/* TODO: Remove the peer */
ccnet_warning ("[Conn] Resolving: Received invalid peer id\n");
return;
}
ccnet_debug ("[Conn] Resolving: Peer %.8s is resolved\n", peer_id);
memcpy (peer->id, peer_id, 40);
peer->id[40] = '\0';
on_resolve_peer_connected (peer, io);
return;
}
/* ref for using the peer below */
g_object_ref (peer);
} else {
/* incoming */
if (peer_id == NULL) {
ccnet_warning ("Unknown peer (no-id) connecting\n");
ccnet_packet_io_free (io);
return;
}
peer = ccnet_peer_manager_get_peer (peerMgr, peer_id);
if (!peer) {
ccnet_message ("Unknown peer %s connecting\n", peer_id);
peer = ccnet_peer_new (peer_id);
ccnet_peer_manager_add_peer (peerMgr, peer);
set_peer_address_from_socket(peer, io);
peer->last_up = time(NULL);
on_unauthed_peer_connected (peer, io);
g_object_unref (peer);
return;
}
set_peer_address_from_socket(peer, io);
peer->last_up = time(NULL);
}
/* hold a reference on the peer */
if (peer->net_state == PEER_CONNECTED) {
ccnet_message ("[Conn] Peer %s (%.10s) is already connected. "
"Discarding this handshake.\n",
peer->name, peer->id);
ccnet_packet_io_free (io);
g_object_unref (peer);
return;
}
ccnet_message ("[Conn] Peer %s (%.10s) connected\n",
peer->name, peer->id);
peer->num_fails = 0;
on_peer_connected (peer, io);
g_object_unref (peer);
}
