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vrrpd: zebra connections
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young
parent
a8144d7fc8
commit
b6029d6a5f
@ -38,6 +38,9 @@
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/* threadmaster */
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extern struct thread_master *master;
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/* privileges */
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extern struct zebra_privs_t vrrp_privs;
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/* Global hash of all Virtual Routers */
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struct hash *vrrp_vrouters_hash;
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@ -19,21 +19,222 @@
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*/
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#include <zebra.h>
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#include "zclient.h"
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#include "thread.h"
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#include "lib/if.h"
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#include "lib/log.h"
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#include "lib/prefix.h"
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#include "lib/zclient.h"
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#include "lib/vty.h"
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#include "lib/linklist.h"
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#include "vrrp.h"
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#include "vrrp_zebra.h"
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/* Zebra structure to hold current status. */
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struct thread_master *master;
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struct zclient *zclient;
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static struct zclient *zclient = NULL;
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static void vrrp_zebra_connected(struct zclient *zclient)
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{
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fprintf(stderr, "Zclient connected\n");
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zclient_send_reg_requests(zclient, VRF_DEFAULT);
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}
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/* Router-id update message from zebra. */
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static int vrrp_router_id_update_zebra(int command, struct zclient *zclient,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct prefix router_id;
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zebra_router_id_update_read(zclient->ibuf, &router_id);
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return 0;
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}
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static int vrrp_zebra_if_add(int command, struct zclient *zclient,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct interface *ifp;
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/*
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* zebra api adds/dels interfaces using the same call
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* interface_add_read below, see comments in lib/zclient.c
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*/
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ifp = zebra_interface_add_read(zclient->ibuf, vrf_id);
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if (!ifp)
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return 0;
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/* FIXME: handle subinterface creation here */
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return 0;
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}
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static int vrrp_zebra_if_del(int command, struct zclient *zclient,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct interface *ifp;
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ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);
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if (!ifp)
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return 0;
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#if 0
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if (VRRP_DEBUG_ZEBRA) {
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zlog_debug(
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"%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
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__PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
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(long)ifp->flags, ifp->metric, ifp->mtu,
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if_is_operative(ifp));
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}
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#endif
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return 0;
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}
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static int vrrp_zebra_if_state_up(int command, struct zclient *zclient,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct interface *ifp;
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/*
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* zebra api notifies interface up/down events by using the same call
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* zebra_interface_state_read below, see comments in lib/zclient.c ifp =
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* zebra_interface_state_read(zclient->ibuf, vrf_id);
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*/
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ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);
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if (!ifp)
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return 0;
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#if 0
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if (VRRP_DEBUG_ZEBRA) {
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zlog_debug(
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"%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
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__PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
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(long)ifp->flags, ifp->metric, ifp->mtu,
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if_is_operative(ifp));
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}
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#endif
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return 0;
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}
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static int vrrp_zebra_if_state_down(int command, struct zclient *zclient,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct interface *ifp;
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/*
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* zebra api notifies interface up/down events by using the same call
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* zebra_interface_state_read below, see comments in lib/zclient.c
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*/
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ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);
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if (!ifp)
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return 0;
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#if 0
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if (VRRP_DEBUG_ZEBRA) {
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zlog_debug(
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"%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
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__PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
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(long)ifp->flags, ifp->metric, ifp->mtu,
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if_is_operative(ifp));
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}
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#endif
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return 0;
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}
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#ifdef VRRP_DEBUG_IFADDR_DUMP
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static void dump_if_address(struct interface *ifp)
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{
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struct connected *ifc;
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struct listnode *node;
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zlog_debug("%s %s: interface %s addresses:", __FILE__,
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__PRETTY_FUNCTION__, ifp->name);
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for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) {
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struct prefix *p = ifc->address;
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if (p->family != AF_INET)
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continue;
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zlog_debug("%s %s: interface %s address %s %s", __FILE__,
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__PRETTY_FUNCTION__, ifp->name,
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inet_ntoa(p->u.prefix4),
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CHECK_FLAG(ifc->flags, ZEBRA_IFA_SECONDARY)
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? "secondary"
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: "primary");
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}
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}
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#endif
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static int vrrp_zebra_if_address_add(int command, struct zclient *zclient,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct connected *c;
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/*
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* zebra api notifies address adds/dels events by using the same call
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* interface_add_read below, see comments in lib/zclient.c
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*
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* zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_ADD, ...)
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* will add address to interface list by calling
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* connected_add_by_prefix()
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*/
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c = zebra_interface_address_read(command, zclient->ibuf, vrf_id);
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if (!c)
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return 0;
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#if 0
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if (VRRP_DEBUG_ZEBRA) {
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char buf[BUFSIZ];
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prefix2str(p, buf, BUFSIZ);
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zlog_debug("%s: %s(%u) connected IP address %s flags %u %s",
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__PRETTY_FUNCTION__, c->ifp->name, vrf_id, buf,
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c->flags,
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CHECK_FLAG(c->flags, ZEBRA_IFA_SECONDARY)
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? "secondary"
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: "primary");
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}
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#endif
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return 0;
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}
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static int vrrp_zebra_if_address_del(int command, struct zclient *client,
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zebra_size_t length, vrf_id_t vrf_id)
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{
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struct connected *c;
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/*
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* zebra api notifies address adds/dels events by using the same call
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* interface_add_read below, see comments in lib/zclient.c
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*
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* zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_DELETE, ...)
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* will remove address from interface list by calling
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* connected_delete_by_prefix()
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*/
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c = zebra_interface_address_read(command, client->ibuf, vrf_id);
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if (!c)
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return 0;
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return 0;
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}
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void vrrp_zebra_init(void)
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{
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struct zclient_options opt = { .receive_notify = true };
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/* Socket for receiving updates from Zebra daemon */
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zclient = zclient_new(master, &zclient_options_default);
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zclient = zclient_new(master, &opt);
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zclient->zebra_connected = vrrp_zebra_connected;
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zclient->router_id_update = vrrp_router_id_update_zebra;
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zclient->interface_add = vrrp_zebra_if_add;
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zclient->interface_delete = vrrp_zebra_if_del;
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zclient->interface_up = vrrp_zebra_if_state_up;
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zclient->interface_down = vrrp_zebra_if_state_down;
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zclient->interface_address_add = vrrp_zebra_if_address_add;
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zclient->interface_address_delete = vrrp_zebra_if_address_del;
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zclient_init(zclient, 0, 0, &vrrp_privs);
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}
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zlog_notice("%s: zclient socket initialized", __PRETTY_FUNCTION__);
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}
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@ -20,10 +20,5 @@
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#ifndef __VRRP_ZEBRA_H__
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#define __VRRP_ZEBRA_H__
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#include "zclient.h"
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#include "thread.h"
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extern struct thread_master *master;
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extern struct zebra_privs_t vrrp_privs;
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extern void vrrp_zebra_init(void);
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#endif
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