diff options
Diffstat (limited to 'sharpd/sharp_zebra.c')
| -rw-r--r-- | sharpd/sharp_zebra.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/sharpd/sharp_zebra.c b/sharpd/sharp_zebra.c new file mode 100644 index 0000000000..4a5ae13c43 --- /dev/null +++ b/sharpd/sharp_zebra.c @@ -0,0 +1,208 @@ +/* + * Zebra connect code. + * Copyright (C) Cumulus Networks, Inc. + * Donald Sharp + * + * This file is part of FRR. + * + * FRR is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * FRR is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <zebra.h> + +#include "thread.h" +#include "command.h" +#include "network.h" +#include "prefix.h" +#include "routemap.h" +#include "table.h" +#include "stream.h" +#include "memory.h" +#include "zclient.h" +#include "filter.h" +#include "plist.h" +#include "log.h" +#include "nexthop.h" + +#include "sharp_zebra.h" + +/* Zebra structure to hold current status. */ +struct zclient *zclient = NULL; + +/* For registering threads. */ +extern struct thread_master *master; + +static struct interface *zebra_interface_if_lookup(struct stream *s) +{ + char ifname_tmp[INTERFACE_NAMSIZ]; + + /* Read interface name. */ + stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); + + /* And look it up. */ + return if_lookup_by_name(ifname_tmp, VRF_DEFAULT); +} + +/* Inteface addition message from zebra. */ +static int interface_add(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + struct interface *ifp; + + ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); + + if (!ifp->info) + return 0; + + return 0; +} + +static int interface_delete(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + struct interface *ifp; + struct stream *s; + + s = zclient->ibuf; + /* zebra_interface_state_read () updates interface structure in iflist + */ + ifp = zebra_interface_state_read(s, vrf_id); + + if (ifp == NULL) + return 0; + + if_set_index(ifp, IFINDEX_INTERNAL); + + return 0; +} + +static int interface_address_add(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + + zebra_interface_address_read(command, zclient->ibuf, vrf_id); + + return 0; +} + +static int interface_address_delete(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + struct connected *c; + + c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); + + if (!c) + return 0; + + connected_free(c); + return 0; +} + +static int interface_state_up(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + + zebra_interface_if_lookup(zclient->ibuf); + + return 0; +} + +static int interface_state_down(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + + zebra_interface_state_read(zclient->ibuf, vrf_id); + + return 0; +} + +extern uint32_t total_routes; +extern uint32_t installed_routes; + +static int notify_owner(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) +{ + struct prefix p; + enum zapi_route_notify_owner note; + + if (!zapi_route_notify_decode(zclient->ibuf, &p, ¬e)) + return -1; + + installed_routes++; + + if (total_routes == installed_routes) + zlog_debug("Installed All Items"); + return 0; +} + +static void zebra_connected(struct zclient *zclient) +{ + zclient_send_reg_requests(zclient, VRF_DEFAULT); +} + +void route_add(struct prefix *p, struct nexthop *nh) +{ + struct zapi_route api; + struct zapi_nexthop *api_nh; + + memset(&api, 0, sizeof(api)); + api.vrf_id = VRF_DEFAULT; + api.type = ZEBRA_ROUTE_SHARP; + api.safi = SAFI_UNICAST; + memcpy(&api.prefix, p, sizeof(*p)); + + SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); + + api_nh = &api.nexthops[0]; + api_nh->gate.ipv4 = nh->gate.ipv4; + api_nh->type = nh->type; + api_nh->ifindex = nh->ifindex; + api.nexthop_num = 1; + + zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); +} + +void route_delete(struct prefix *p) +{ + struct zapi_route api; + + memset(&api, 0, sizeof(api)); + api.vrf_id = VRF_DEFAULT; + api.type = ZEBRA_ROUTE_SHARP; + api.safi = SAFI_UNICAST; + memcpy(&api.prefix, p, sizeof(*p)); + zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); + + return; +} + +extern struct zebra_privs_t sharp_privs; + +void sharp_zebra_init(void) +{ + struct zclient_options opt = { .receive_notify = true }; + + zclient = zclient_new_notify(master, &opt); + + zclient_init(zclient, ZEBRA_ROUTE_SHARP, 0, &sharp_privs); + zclient->zebra_connected = zebra_connected; + zclient->interface_add = interface_add; + zclient->interface_delete = interface_delete; + zclient->interface_up = interface_state_up; + zclient->interface_down = interface_state_down; + zclient->interface_address_add = interface_address_add; + zclient->interface_address_delete = interface_address_delete; + zclient->notify_owner = notify_owner; +} |