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-rw-r--r--pathd/path_nb_config.c769
1 files changed, 769 insertions, 0 deletions
diff --git a/pathd/path_nb_config.c b/pathd/path_nb_config.c
new file mode 100644
index 0000000..e1fbb37
--- /dev/null
+++ b/pathd/path_nb_config.c
@@ -0,0 +1,769 @@
+/*
+ * Copyright (C) 2020 NetDEF, Inc.
+ *
+ * This program 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 of the License, or (at your option)
+ * any later version.
+ *
+ * This program 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 <lib_errors.h>
+
+#include "northbound.h"
+#include "libfrr.h"
+
+#include "pathd/path_zebra.h"
+#include "pathd/path_nb.h"
+
+/*
+ * XPath: /frr-pathd:pathd
+ */
+void pathd_apply_finish(struct nb_cb_apply_finish_args *args)
+{
+ srte_apply_changes();
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/segment-list
+ */
+int pathd_srte_segment_list_create(struct nb_cb_create_args *args)
+{
+ struct srte_segment_list *segment_list;
+ const char *name;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ name = yang_dnode_get_string(args->dnode, "./name");
+ segment_list = srte_segment_list_add(name);
+ nb_running_set_entry(args->dnode, segment_list);
+ SET_FLAG(segment_list->flags, F_SEGMENT_LIST_NEW);
+
+ return NB_OK;
+}
+
+int pathd_srte_segment_list_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_segment_list *segment_list;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment_list = nb_running_unset_entry(args->dnode);
+ SET_FLAG(segment_list->flags, F_SEGMENT_LIST_DELETED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/segment-list/protocol-origin
+ */
+int pathd_srte_segment_list_protocol_origin_modify(
+ struct nb_cb_modify_args *args)
+{
+ struct srte_segment_list *segment_list;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment_list = nb_running_get_entry(args->dnode, NULL, true);
+ segment_list->protocol_origin = yang_dnode_get_enum(args->dnode, NULL);
+ SET_FLAG(segment_list->flags, F_SEGMENT_LIST_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/segment-list/originator
+ */
+int pathd_srte_segment_list_originator_modify(struct nb_cb_modify_args *args)
+{
+ struct srte_segment_list *segment_list;
+ const char *originator;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment_list = nb_running_get_entry(args->dnode, NULL, true);
+ originator = yang_dnode_get_string(args->dnode, NULL);
+ strlcpy(segment_list->originator, originator,
+ sizeof(segment_list->originator));
+ SET_FLAG(segment_list->flags, F_SEGMENT_LIST_MODIFIED);
+
+ return NB_OK;
+}
+
+
+/*
+ * XPath: /frr-pathd:pathd/srte/segment-list/segment
+ */
+int pathd_srte_segment_list_segment_create(struct nb_cb_create_args *args)
+{
+ struct srte_segment_list *segment_list;
+ struct srte_segment_entry *segment;
+ uint32_t index;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment_list = nb_running_get_entry(args->dnode, NULL, true);
+ index = yang_dnode_get_uint32(args->dnode, "./index");
+ segment = srte_segment_entry_add(segment_list, index);
+ nb_running_set_entry(args->dnode, segment);
+ SET_FLAG(segment_list->flags, F_SEGMENT_LIST_MODIFIED);
+
+ return NB_OK;
+}
+
+int pathd_srte_segment_list_segment_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_segment_entry *segment;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment = nb_running_unset_entry(args->dnode);
+ SET_FLAG(segment->segment_list->flags, F_SEGMENT_LIST_MODIFIED);
+
+ srte_segment_entry_del(segment);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/segment-list/segment/sid-value
+ */
+int pathd_srte_segment_list_segment_sid_value_modify(
+ struct nb_cb_modify_args *args)
+{
+ mpls_label_t sid_value;
+ struct srte_segment_entry *segment;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment = nb_running_get_entry(args->dnode, NULL, true);
+ sid_value = yang_dnode_get_uint32(args->dnode, NULL);
+ segment->sid_value = sid_value;
+ SET_FLAG(segment->segment_list->flags, F_SEGMENT_LIST_MODIFIED);
+
+ return NB_OK;
+}
+
+int pathd_srte_segment_list_segment_sid_value_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ struct srte_segment_entry *segment;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment = nb_running_get_entry(args->dnode, NULL, true);
+ segment->sid_value = MPLS_LABEL_NONE;
+ SET_FLAG(segment->segment_list->flags, F_SEGMENT_LIST_MODIFIED);
+
+ return NB_OK;
+}
+
+
+int pathd_srte_segment_list_segment_nai_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_segment_entry *segment;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ segment = nb_running_get_entry(args->dnode, NULL, true);
+ segment->nai_type = SRTE_SEGMENT_NAI_TYPE_NONE;
+ segment->nai_local_addr.ipa_type = IPADDR_NONE;
+ segment->nai_local_iface = 0;
+ segment->nai_remote_addr.ipa_type = IPADDR_NONE;
+ segment->nai_remote_iface = 0;
+
+ return NB_OK;
+}
+
+void pathd_srte_segment_list_segment_nai_apply_finish(
+ struct nb_cb_apply_finish_args *args)
+{
+ struct srte_segment_entry *segment;
+ enum srte_segment_nai_type type;
+ struct ipaddr local_addr, remote_addr;
+ uint32_t local_iface = 0, remote_iface = 0;
+ uint8_t algo = 0, local_prefix_len = 0;
+ const char *algo_buf, *local_prefix_len_buf;
+
+ segment = nb_running_get_entry(args->dnode, NULL, true);
+ type = yang_dnode_get_enum(args->dnode, "./type");
+
+ yang_dnode_get_ip(&local_addr, args->dnode, "./local-address");
+
+ switch (type) {
+ case SRTE_SEGMENT_NAI_TYPE_IPV4_NODE:
+ case SRTE_SEGMENT_NAI_TYPE_IPV6_NODE:
+ break;
+ case SRTE_SEGMENT_NAI_TYPE_IPV4_ADJACENCY:
+ case SRTE_SEGMENT_NAI_TYPE_IPV6_ADJACENCY:
+ yang_dnode_get_ip(&remote_addr, args->dnode,
+ "./remote-address");
+ break;
+ case SRTE_SEGMENT_NAI_TYPE_IPV4_UNNUMBERED_ADJACENCY:
+ yang_dnode_get_ip(&remote_addr, args->dnode,
+ "./remote-address");
+ local_iface =
+ yang_dnode_get_uint32(args->dnode, "./local-interface");
+ remote_iface = yang_dnode_get_uint32(args->dnode,
+ "./remote-interface");
+ break;
+ case SRTE_SEGMENT_NAI_TYPE_IPV4_ALGORITHM:
+ algo_buf = yang_dnode_get_string(args->dnode, "./algorithm");
+ algo = atoi(algo_buf);
+ local_prefix_len_buf = yang_dnode_get_string(
+ args->dnode, "./local-prefix-len");
+ local_prefix_len = atoi(local_prefix_len_buf);
+ break;
+ case SRTE_SEGMENT_NAI_TYPE_IPV4_LOCAL_IFACE:
+ local_iface =
+ yang_dnode_get_uint32(args->dnode, "./local-interface");
+ local_prefix_len_buf = yang_dnode_get_string(
+ args->dnode, "./local-prefix-len");
+ local_prefix_len = atoi(local_prefix_len_buf);
+ break;
+ default:
+ break;
+ }
+
+ zlog_debug(" Segment list name (%d) index (%s) ", segment->index,
+ segment->segment_list->name);
+ if (srte_segment_entry_set_nai(segment, type, &local_addr, local_iface,
+ &remote_addr, remote_iface, algo,
+ local_prefix_len))
+ SET_FLAG(segment->segment_list->flags,
+ F_SEGMENT_LIST_SID_CONFLICT);
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy
+ */
+int pathd_srte_policy_create(struct nb_cb_create_args *args)
+{
+ struct srte_policy *policy;
+ uint32_t color;
+ struct ipaddr endpoint;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ color = yang_dnode_get_uint32(args->dnode, "./color");
+ yang_dnode_get_ip(&endpoint, args->dnode, "./endpoint");
+ policy = srte_policy_add(color, &endpoint, SRTE_ORIGIN_LOCAL, NULL);
+
+ nb_running_set_entry(args->dnode, policy);
+ SET_FLAG(policy->flags, F_POLICY_NEW);
+
+ return NB_OK;
+}
+
+int pathd_srte_policy_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_policy *policy;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ policy = nb_running_unset_entry(args->dnode);
+ SET_FLAG(policy->flags, F_POLICY_DELETED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/name
+ */
+int pathd_srte_policy_name_modify(struct nb_cb_modify_args *args)
+{
+ struct srte_policy *policy;
+ const char *name;
+
+ if (args->event != NB_EV_APPLY && args->event != NB_EV_VALIDATE)
+ return NB_OK;
+
+ policy = nb_running_get_entry(args->dnode, NULL, true);
+
+ if (args->event == NB_EV_VALIDATE) {
+ /* the policy name is fixed after setting it once */
+ if (strlen(policy->name) > 0) {
+ flog_warn(EC_LIB_NB_CB_CONFIG_VALIDATE,
+ "The SR Policy name is fixed!");
+ return NB_ERR_RESOURCE;
+ } else
+ return NB_OK;
+ }
+
+ name = yang_dnode_get_string(args->dnode, NULL);
+ strlcpy(policy->name, name, sizeof(policy->name));
+ SET_FLAG(policy->flags, F_POLICY_MODIFIED);
+
+ return NB_OK;
+}
+
+int pathd_srte_policy_name_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_policy *policy;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ policy = nb_running_get_entry(args->dnode, NULL, true);
+ policy->name[0] = '\0';
+ SET_FLAG(policy->flags, F_POLICY_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/binding-sid
+ */
+int pathd_srte_policy_binding_sid_modify(struct nb_cb_modify_args *args)
+{
+ struct srte_policy *policy;
+ mpls_label_t binding_sid;
+
+ binding_sid = yang_dnode_get_uint32(args->dnode, NULL);
+
+ switch (args->event) {
+ case NB_EV_VALIDATE:
+ break;
+ case NB_EV_PREPARE:
+ if (path_zebra_request_label(binding_sid) < 0)
+ return NB_ERR_RESOURCE;
+ break;
+ case NB_EV_ABORT:
+ break;
+ case NB_EV_APPLY:
+ policy = nb_running_get_entry(args->dnode, NULL, true);
+ srte_policy_update_binding_sid(policy, binding_sid);
+ SET_FLAG(policy->flags, F_POLICY_MODIFIED);
+ break;
+ }
+
+ return NB_OK;
+}
+
+int pathd_srte_policy_binding_sid_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_policy *policy;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ policy = nb_running_get_entry(args->dnode, NULL, true);
+ srte_policy_update_binding_sid(policy, MPLS_LABEL_NONE);
+ SET_FLAG(policy->flags, F_POLICY_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path
+ */
+int pathd_srte_policy_candidate_path_create(struct nb_cb_create_args *args)
+{
+ struct srte_policy *policy;
+ struct srte_candidate *candidate;
+ uint32_t preference;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ policy = nb_running_get_entry(args->dnode, NULL, true);
+ preference = yang_dnode_get_uint32(args->dnode, "./preference");
+ candidate =
+ srte_candidate_add(policy, preference, SRTE_ORIGIN_LOCAL, NULL);
+ nb_running_set_entry(args->dnode, candidate);
+ SET_FLAG(candidate->flags, F_CANDIDATE_NEW);
+
+ return NB_OK;
+}
+
+int pathd_srte_policy_candidate_path_destroy(struct nb_cb_destroy_args *args)
+{
+ struct srte_candidate *candidate;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ candidate = nb_running_unset_entry(args->dnode);
+ SET_FLAG(candidate->flags, F_CANDIDATE_DELETED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/name
+ */
+int pathd_srte_policy_candidate_path_name_modify(struct nb_cb_modify_args *args)
+{
+ struct srte_candidate *candidate;
+ const char *name;
+ char xpath[XPATH_MAXLEN];
+ char xpath_buf[XPATH_MAXLEN - 3];
+
+ if (args->event != NB_EV_APPLY && args->event != NB_EV_VALIDATE)
+ return NB_OK;
+
+ /* the candidate name is fixed after setting it once, this is checked
+ * here */
+ if (args->event == NB_EV_VALIDATE) {
+ /* first get the precise path to the candidate path */
+ yang_dnode_get_path(args->dnode, xpath_buf, sizeof(xpath_buf));
+ snprintf(xpath, sizeof(xpath), "%s%s", xpath_buf, "/..");
+
+ candidate = nb_running_get_entry_non_rec(NULL, xpath, false);
+
+ /* then check if it exists and if the name was provided */
+ if (candidate && strlen(candidate->name) > 0) {
+ flog_warn(EC_LIB_NB_CB_CONFIG_VALIDATE,
+ "The candidate name is fixed!");
+ return NB_ERR_RESOURCE;
+ } else
+ return NB_OK;
+ }
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+
+ name = yang_dnode_get_string(args->dnode, NULL);
+ strlcpy(candidate->name, name, sizeof(candidate->name));
+ SET_FLAG(candidate->flags, F_CANDIDATE_MODIFIED);
+
+ return NB_OK;
+}
+
+
+static int affinity_filter_modify(struct nb_cb_modify_args *args,
+ enum affinity_filter_type type)
+{
+ uint32_t filter;
+ struct srte_candidate *candidate;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ assert(args->context != NULL);
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ filter = yang_dnode_get_uint32(args->dnode, NULL);
+ srte_candidate_set_affinity_filter(candidate, type, filter);
+
+ return NB_OK;
+}
+
+static int affinity_filter_destroy(struct nb_cb_destroy_args *args,
+ enum affinity_filter_type type)
+{
+ struct srte_candidate *candidate;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ assert(args->context != NULL);
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ srte_candidate_unset_affinity_filter(candidate, type);
+
+ return NB_OK;
+}
+
+/*
+ * XPath:
+ * /frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/exclude-any
+ */
+
+int pathd_srte_policy_candidate_path_exclude_any_modify(
+ struct nb_cb_modify_args *args)
+{
+ return affinity_filter_modify(args, AFFINITY_FILTER_EXCLUDE_ANY);
+}
+
+int pathd_srte_policy_candidate_path_exclude_any_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ return affinity_filter_destroy(args, AFFINITY_FILTER_EXCLUDE_ANY);
+}
+
+
+/*
+ * XPath:
+ * /frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/include-any
+ */
+int pathd_srte_policy_candidate_path_include_any_modify(
+ struct nb_cb_modify_args *args)
+{
+ return affinity_filter_modify(args, AFFINITY_FILTER_INCLUDE_ANY);
+}
+
+int pathd_srte_policy_candidate_path_include_any_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ return affinity_filter_destroy(args, AFFINITY_FILTER_INCLUDE_ANY);
+}
+
+
+/*
+ * XPath:
+ * /frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/include-all
+ */
+int pathd_srte_policy_candidate_path_include_all_modify(
+ struct nb_cb_modify_args *args)
+{
+ return affinity_filter_modify(args, AFFINITY_FILTER_INCLUDE_ALL);
+}
+
+int pathd_srte_policy_candidate_path_include_all_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ return affinity_filter_destroy(args, AFFINITY_FILTER_INCLUDE_ALL);
+}
+
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics
+ */
+int pathd_srte_policy_candidate_path_metrics_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ struct srte_candidate *candidate;
+ enum srte_candidate_metric_type type;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ assert(args->context != NULL);
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+
+ type = yang_dnode_get_enum(args->dnode, "./type");
+ srte_candidate_unset_metric(candidate, type);
+
+ return NB_OK;
+}
+
+void pathd_srte_policy_candidate_path_metrics_apply_finish(
+ struct nb_cb_apply_finish_args *args)
+{
+ struct srte_candidate *candidate;
+ enum srte_candidate_metric_type type;
+ float value;
+ bool required, is_bound = false, is_computed = false;
+
+ assert(args->context != NULL);
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+
+ type = yang_dnode_get_enum(args->dnode, "./type");
+ value = (float)yang_dnode_get_dec64(args->dnode, "./value");
+ required = yang_dnode_get_bool(args->dnode, "./required");
+ if (yang_dnode_exists(args->dnode, "./is-bound"))
+ is_bound = yang_dnode_get_bool(args->dnode, "./is-bound");
+ if (yang_dnode_exists(args->dnode, "./is-computed"))
+ is_computed = yang_dnode_get_bool(args->dnode, "./is-computed");
+
+ srte_candidate_set_metric(candidate, type, value, required, is_bound,
+ is_computed);
+}
+
+/*
+ * XPath:
+ * /frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function
+ */
+int pathd_srte_policy_candidate_path_objfun_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ struct srte_candidate *candidate;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ assert(args->context != NULL);
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ srte_candidate_unset_objfun(candidate);
+
+ return NB_OK;
+}
+
+void pathd_srte_policy_candidate_path_objfun_apply_finish(
+ struct nb_cb_apply_finish_args *args)
+{
+ struct srte_candidate *candidate;
+ enum objfun_type type;
+ bool required;
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ required = yang_dnode_get_bool(args->dnode, "./required");
+ type = yang_dnode_get_enum(args->dnode, "./type");
+ srte_candidate_set_objfun(candidate, required, type);
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/protocol-origin
+ */
+int pathd_srte_policy_candidate_path_protocol_origin_modify(
+ struct nb_cb_modify_args *args)
+{
+ struct srte_candidate *candidate;
+ enum srte_protocol_origin protocol_origin;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ protocol_origin = yang_dnode_get_enum(args->dnode, NULL);
+ candidate->protocol_origin = protocol_origin;
+ candidate->lsp->protocol_origin = protocol_origin;
+ SET_FLAG(candidate->flags, F_CANDIDATE_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/originator
+ */
+int pathd_srte_policy_candidate_path_originator_modify(
+ struct nb_cb_modify_args *args)
+{
+ struct srte_candidate *candidate;
+ const char *originator;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ originator = yang_dnode_get_string(args->dnode, NULL);
+ strlcpy(candidate->originator, originator,
+ sizeof(candidate->originator));
+ strlcpy(candidate->lsp->originator, originator,
+ sizeof(candidate->lsp->originator));
+ SET_FLAG(candidate->flags, F_CANDIDATE_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/type
+ */
+int pathd_srte_policy_candidate_path_type_modify(struct nb_cb_modify_args *args)
+{
+ struct srte_candidate *candidate;
+ enum srte_candidate_type type;
+ char xpath[XPATH_MAXLEN];
+ char xpath_buf[XPATH_MAXLEN - 3];
+
+ if (args->event != NB_EV_APPLY && args->event != NB_EV_VALIDATE)
+ return NB_OK;
+
+ /* the candidate type is fixed after setting it once, this is checked
+ * here */
+ if (args->event == NB_EV_VALIDATE) {
+ /* first get the precise path to the candidate path */
+ yang_dnode_get_path(args->dnode, xpath_buf, sizeof(xpath_buf));
+ snprintf(xpath, sizeof(xpath), "%s%s", xpath_buf, "/..");
+
+ candidate = nb_running_get_entry_non_rec(NULL, xpath, false);
+
+ /* then check if it exists and if the type was provided */
+ if (candidate
+ && candidate->type != SRTE_CANDIDATE_TYPE_UNDEFINED) {
+ flog_warn(EC_LIB_NB_CB_CONFIG_VALIDATE,
+ "The candidate type is fixed!");
+ return NB_ERR_RESOURCE;
+ } else
+ return NB_OK;
+ }
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+
+ type = yang_dnode_get_enum(args->dnode, NULL);
+ candidate->type = type;
+ SET_FLAG(candidate->flags, F_CANDIDATE_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/segment-list-name
+ */
+int pathd_srte_policy_candidate_path_segment_list_name_modify(
+ struct nb_cb_modify_args *args)
+{
+ struct srte_candidate *candidate;
+ const char *segment_list_name;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ segment_list_name = yang_dnode_get_string(args->dnode, NULL);
+
+ candidate->segment_list = srte_segment_list_find(segment_list_name);
+ candidate->lsp->segment_list = candidate->segment_list;
+ assert(candidate->segment_list);
+ SET_FLAG(candidate->flags, F_CANDIDATE_MODIFIED);
+
+ return NB_OK;
+}
+
+int pathd_srte_policy_candidate_path_segment_list_name_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ struct srte_candidate *candidate;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ candidate->segment_list = NULL;
+ candidate->lsp->segment_list = NULL;
+ SET_FLAG(candidate->flags, F_CANDIDATE_MODIFIED);
+
+ return NB_OK;
+}
+
+/*
+ * XPath: /frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth
+ */
+void pathd_srte_policy_candidate_path_bandwidth_apply_finish(
+ struct nb_cb_apply_finish_args *args)
+{
+ struct srte_candidate *candidate;
+ float value;
+ bool required;
+
+ assert(args->context != NULL);
+
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ value = (float)yang_dnode_get_dec64(args->dnode, "./value");
+ required = yang_dnode_get_bool(args->dnode, "./required");
+ srte_candidate_set_bandwidth(candidate, value, required);
+}
+
+int pathd_srte_policy_candidate_path_bandwidth_destroy(
+ struct nb_cb_destroy_args *args)
+{
+ struct srte_candidate *candidate;
+
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ assert(args->context != NULL);
+ candidate = nb_running_get_entry(args->dnode, NULL, true);
+ srte_candidate_unset_bandwidth(candidate);
+ return NB_OK;
+}