/* Send requests to zebra daemon for the information in a VRF. */
void
zclient_send_requests (struct zclient *zclient, vrf_id_t vrf_id)
{
int i;
/* zclient is disabled. */
if (! zclient->enable)
return;
/* If not connected to the zebra yet. */
if (zclient->sock < 0)
return;
if (zclient_debug)
zlog_debug ("%s: send messages for VRF %u", __func__, vrf_id);
/* We need router-id information. */
zebra_message_send (zclient, ZEBRA_ROUTER_ID_ADD, vrf_id);
/* We need interface information. */
zebra_message_send (zclient, ZEBRA_INTERFACE_ADD, vrf_id);
/* Set unwanted redistribute route. */
vrf_bitmap_set (zclient->redist[zclient->redist_default], vrf_id);
/* Flush all redistribute request. */
for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
if (i != zclient->redist_default &&
vrf_bitmap_check (zclient->redist[i], vrf_id))
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, i, vrf_id);
/* If default information is needed. */
if (vrf_bitmap_check (zclient->default_information, VRF_DEFAULT))
zebra_message_send (zclient, ZEBRA_REDISTRIBUTE_DEFAULT_ADD, vrf_id);
}
/* Make connection to zebra daemon. */
int
zclient_start (struct zclient *zclient)
{
int i;
if (zclient_debug)
zlog_debug ("zclient_start is called");
/* zclient is disabled. */
if (! zclient->enable)
return 0;
/* If already connected to the zebra. */
if (zclient->sock >= 0)
return 0;
/* Check connect thread. */
if (zclient->t_connect)
return 0;
if (zclient_socket_connect(zclient) < 0)
{
if (zclient_debug)
zlog_debug ("zclient connection fail");
zclient->fail++;
zclient_event (ZCLIENT_CONNECT, zclient);
return -1;
}
if (set_nonblocking(zclient->sock) < 0)
zlog_warn("%s: set_nonblocking(%d) failed", __func__, zclient->sock);
/* Clear fail count. */
zclient->fail = 0;
if (zclient_debug)
zlog_debug ("zclient connect success with socket [%d]", zclient->sock);
/* Create read thread. */
zclient_event (ZCLIENT_READ, zclient);
zebra_hello_send (zclient);
/* We need router-id information. */
zebra_message_send (zclient, ZEBRA_ROUTER_ID_ADD);
/* We need interface information. */
zebra_message_send (zclient, ZEBRA_INTERFACE_ADD);
/* Flush all redistribute request. */
for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
if (i != zclient->redist_default && zclient->redist[i])
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, i);
/* If default information is needed. */
if (zclient->default_information)
zebra_message_send (zclient, ZEBRA_REDISTRIBUTE_DEFAULT_ADD);
return 0;
}
void
zclient_redistribute_default (int command, struct zclient *zclient)
{
if (command == ZEBRA_REDISTRIBUTE_DEFAULT_ADD)
{
if (zclient->default_information)
return;
zclient->default_information = 1;
}
else
{
if (!zclient->default_information)
return;
zclient->default_information = 0;
}
if (zclient->sock > 0)
zebra_message_send (zclient, command);
}
void
zclient_redistribute_default (int command, struct zclient *zclient,
vrf_id_t vrf_id)
{
if (command == ZEBRA_REDISTRIBUTE_DEFAULT_ADD)
{
if (vrf_bitmap_check (zclient->default_information, vrf_id))
return;
vrf_bitmap_set (zclient->default_information, vrf_id);
}
else
{
if (!vrf_bitmap_check (zclient->default_information, vrf_id))
return;
vrf_bitmap_unset (zclient->default_information, vrf_id);
}
if (zclient->sock > 0)
zebra_message_send (zclient, command, vrf_id);
}
/* Make connection to zebra daemon. */
int
#undef zclient
zclient_start (struct_zclient *zclient)
{
int i;
if (zclient_debug)
zlog_debug ("zclient_start is called");
/* zclient is disabled. */
if (! zclient->enable)
return 0;
/* If already connected to the zebra. */
if (zclient->sock >= 0)
return 0;
/* Check connect thread. */
if (zclient->t_connect)
return 0;
/* Make socket. */
#ifdef HAVE_TCP_ZEBRA
zclient->sock = zclient_socket ();
#else
zclient->sock = zclient_socket_un (ZEBRA_SERV_PATH);
#endif /* HAVE_TCP_ZEBRA */
if (zclient->sock < 0)
{
if (zclient_debug)
zlog_debug ("zclient connection fail");
zclient->fail++;
zclient_event (ZCLIENT_CONNECT, zclient);
return -1;
}
/* Clear fail count. */
zclient->fail = 0;
if (zclient_debug)
zlog_debug ("zclient connect success with socket [%d]", zclient->sock);
/* Create read thread. */
zclient_event (ZCLIENT_READ, zclient);
/* We need interface information. */
zebra_message_send (zclient, ZEBRA_INTERFACE_ADD);
/* We need router-id information. */
zebra_message_send (zclient, ZEBRA_ROUTER_ID_ADD);
/* Flush all redistribute request. */
for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
if (i != zclient->redist_default && zclient->redist[i])
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient->sock, i);
/* If default information is needed. */
if (zclient->default_information)
zebra_message_send (zclient, ZEBRA_REDISTRIBUTE_DEFAULT_ADD);
return 0;
}