108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2018 Vmware
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* Vishal Dhingra
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*/
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#include <zebra.h>
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#include "northbound.h"
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#include "libfrr.h"
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#include "vrf.h"
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#include "lib_errors.h"
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#include "routing_nb.h"
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DEFINE_HOOK(routing_conf_event, (struct nb_cb_create_args *args), (args));
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DEFINE_HOOK(routing_create, (struct nb_cb_create_args *args), (args));
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DEFINE_KOOH(routing_destroy, (struct nb_cb_destroy_args *args), (args));
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/*
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* XPath: /frr-routing:routing/control-plane-protocols/control-plane-protocol
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*/
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int routing_control_plane_protocols_control_plane_protocol_create(
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struct nb_cb_create_args *args)
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{
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struct vrf *vrf;
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const char *vrfname;
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switch (args->event) {
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case NB_EV_VALIDATE:
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if (hook_call(routing_conf_event, args))
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return NB_ERR_VALIDATION;
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break;
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case NB_EV_PREPARE:
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case NB_EV_ABORT:
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break;
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case NB_EV_APPLY:
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/*
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* If the daemon relies on the VRF pointer stored in this
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* dnode, then it should register the dependency between this
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* module and the VRF module using
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* routing_control_plane_protocols_register_vrf_dependency.
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* If such dependency is not registered, then nothing is
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* stored in the dnode. If the dependency is registered,
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* find the vrf and store the pointer.
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*/
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if (nb_node_has_dependency(args->dnode->schema->priv)) {
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vrfname = yang_dnode_get_string(args->dnode, "vrf");
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vrf = vrf_lookup_by_name(vrfname);
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assert(vrf);
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nb_running_set_entry(args->dnode, vrf);
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}
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hook_call(routing_create, args);
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break;
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};
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return NB_OK;
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}
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int routing_control_plane_protocols_control_plane_protocol_destroy(
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struct nb_cb_destroy_args *args)
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{
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if (args->event != NB_EV_APPLY)
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return NB_OK;
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hook_call(routing_destroy, args);
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/*
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* If dependency on VRF module is registered, then VRF
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* pointer was stored and must be cleared.
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*/
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if (nb_node_has_dependency(args->dnode->schema->priv))
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nb_running_unset_entry(args->dnode);
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return NB_OK;
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}
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static void vrf_to_control_plane_protocol(const struct lyd_node *dnode,
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char *xpath)
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{
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const char *vrf;
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vrf = yang_dnode_get_string(dnode, "name");
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snprintf(xpath, XPATH_MAXLEN, FRR_ROUTING_KEY_XPATH_VRF, vrf);
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}
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static void control_plane_protocol_to_vrf(const struct lyd_node *dnode,
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char *xpath)
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{
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const char *vrf;
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vrf = yang_dnode_get_string(dnode, "vrf");
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snprintf(xpath, XPATH_MAXLEN, FRR_VRF_KEY_XPATH, vrf);
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}
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void routing_control_plane_protocols_register_vrf_dependency(void)
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{
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struct nb_dependency_callbacks cbs;
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cbs.get_dependant_xpath = vrf_to_control_plane_protocol;
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cbs.get_dependency_xpath = control_plane_protocol_to_vrf;
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nb_node_set_dependency_cbs(FRR_VRF_XPATH, FRR_ROUTING_XPATH, &cbs);
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}
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