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-rw-r--r--lib/link_state.c2711
1 files changed, 2711 insertions, 0 deletions
diff --git a/lib/link_state.c b/lib/link_state.c
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--- /dev/null
+++ b/lib/link_state.c
@@ -0,0 +1,2711 @@
+/*
+ * Link State Database - link_state.c
+ *
+ * Author: Olivier Dugeon <olivier.dugeon@orange.com>
+ *
+ * Copyright (C) 2020 Orange http://www.orange.com
+ *
+ * This file is part of Free Range Routing (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 "if.h"
+#include "linklist.h"
+#include "log.h"
+#include "command.h"
+#include "termtable.h"
+#include "memory.h"
+#include "prefix.h"
+#include "table.h"
+#include "vty.h"
+#include "zclient.h"
+#include "stream.h"
+#include "sbuf.h"
+#include "printfrr.h"
+#include <lib/json.h>
+#include "link_state.h"
+
+/* Link State Memory allocation */
+DEFINE_MTYPE_STATIC(LIB, LS_DB, "Link State Database");
+
+/**
+ * Link State Node management functions
+ */
+int ls_node_id_same(struct ls_node_id i1, struct ls_node_id i2)
+{
+ if (i1.origin != i2.origin)
+ return 0;
+
+ if (i1.origin == UNKNOWN)
+ return 1;
+
+ if (i1.origin == ISIS_L1 || i1.origin == ISIS_L2) {
+ if (memcmp(i1.id.iso.sys_id, i2.id.iso.sys_id, ISO_SYS_ID_LEN)
+ != 0
+ || (i1.id.iso.level != i2.id.iso.level))
+ return 0;
+ } else {
+ if (!IPV4_ADDR_SAME(&i1.id.ip.addr, &i2.id.ip.addr)
+ || !IPV4_ADDR_SAME(&i1.id.ip.area_id, &i2.id.ip.area_id))
+ return 1;
+ }
+
+ return 1;
+}
+
+struct ls_node *ls_node_new(struct ls_node_id adv, struct in_addr rid,
+ struct in6_addr rid6)
+{
+ struct ls_node *new;
+
+ if (adv.origin == UNKNOWN)
+ return NULL;
+
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_node));
+ new->adv = adv;
+ if (!IPV4_NET0(rid.s_addr)) {
+ new->router_id = rid;
+ SET_FLAG(new->flags, LS_NODE_ROUTER_ID);
+ } else {
+ if (adv.origin == OSPFv2 || adv.origin == STATIC
+ || adv.origin == DIRECT) {
+ new->router_id = adv.id.ip.addr;
+ SET_FLAG(new->flags, LS_NODE_ROUTER_ID);
+ }
+ }
+ if (!IN6_IS_ADDR_UNSPECIFIED(&rid6)) {
+ new->router_id6 = rid6;
+ SET_FLAG(new->flags, LS_NODE_ROUTER_ID6);
+ }
+ return new;
+}
+
+void ls_node_del(struct ls_node *node)
+{
+ if (!node)
+ return;
+
+ XFREE(MTYPE_LS_DB, node);
+}
+
+int ls_node_same(struct ls_node *n1, struct ls_node *n2)
+{
+ /* First, check pointer */
+ if ((n1 && !n2) || (!n1 && n2))
+ return 0;
+
+ if (n1 == n2)
+ return 1;
+
+ /* Then, verify Flags and Origin */
+ if (n1->flags != n2->flags)
+ return 0;
+
+ if (!ls_node_id_same(n1->adv, n2->adv))
+ return 0;
+
+ /* Finally, check each individual parameters that are valid */
+ if (CHECK_FLAG(n1->flags, LS_NODE_NAME)
+ && (strncmp(n1->name, n2->name, MAX_NAME_LENGTH) != 0))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_ROUTER_ID)
+ && !IPV4_ADDR_SAME(&n1->router_id, &n2->router_id))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_ROUTER_ID6)
+ && !IPV6_ADDR_SAME(&n1->router_id6, &n2->router_id6))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_FLAG)
+ && (n1->node_flag != n2->node_flag))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_TYPE) && (n1->type != n2->type))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_AS_NUMBER)
+ && (n1->as_number != n2->as_number))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_SR)) {
+ if (n1->srgb.flag != n2->srgb.flag
+ || n1->srgb.lower_bound != n2->srgb.lower_bound
+ || n1->srgb.range_size != n2->srgb.range_size)
+ return 0;
+ if ((n1->algo[0] != n2->algo[0])
+ || (n1->algo[1] != n2->algo[1]))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_SRLB)
+ && ((n1->srlb.lower_bound != n2->srlb.lower_bound
+ || n1->srlb.range_size != n2->srlb.range_size)))
+ return 0;
+ if (CHECK_FLAG(n1->flags, LS_NODE_MSD) && (n1->msd != n2->msd))
+ return 0;
+ }
+
+ /* OK, n1 & n2 are equal */
+ return 1;
+}
+
+/**
+ * Link State Attributes management functions
+ */
+struct ls_attributes *ls_attributes_new(struct ls_node_id adv,
+ struct in_addr local,
+ struct in6_addr local6,
+ uint32_t local_id)
+{
+ struct ls_attributes *new;
+
+ if (adv.origin == UNKNOWN)
+ return NULL;
+
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_attributes));
+ new->adv = adv;
+ if (!IPV4_NET0(local.s_addr)) {
+ new->standard.local = local;
+ SET_FLAG(new->flags, LS_ATTR_LOCAL_ADDR);
+ }
+ if (!IN6_IS_ADDR_UNSPECIFIED(&local6)) {
+ new->standard.local6 = local6;
+ SET_FLAG(new->flags, LS_ATTR_LOCAL_ADDR6);
+ }
+ if (local_id != 0) {
+ new->standard.local_id = local_id;
+ SET_FLAG(new->flags, LS_ATTR_LOCAL_ID);
+ }
+
+ /* Check that almost one identifier is set */
+ if (!CHECK_FLAG(new->flags, LS_ATTR_LOCAL_ADDR | LS_ATTR_LOCAL_ADDR6
+ | LS_ATTR_LOCAL_ID)) {
+ XFREE(MTYPE_LS_DB, new);
+ return NULL;
+ }
+
+ return new;
+}
+
+void ls_attributes_srlg_del(struct ls_attributes *attr)
+{
+ if (!attr)
+ return;
+
+ if (attr->srlgs)
+ XFREE(MTYPE_LS_DB, attr->srlgs);
+
+ attr->srlgs = NULL;
+ attr->srlg_len = 0;
+ UNSET_FLAG(attr->flags, LS_ATTR_SRLG);
+}
+
+void ls_attributes_del(struct ls_attributes *attr)
+{
+ if (!attr)
+ return;
+
+ ls_attributes_srlg_del(attr);
+
+ XFREE(MTYPE_LS_DB, attr);
+}
+
+int ls_attributes_same(struct ls_attributes *l1, struct ls_attributes *l2)
+{
+ /* First, check pointer */
+ if ((l1 && !l2) || (!l1 && l2))
+ return 0;
+
+ if (l1 == l2)
+ return 1;
+
+ /* Then, verify Flags and Origin */
+ if (l1->flags != l2->flags)
+ return 0;
+
+ if (!ls_node_id_same(l1->adv, l2->adv))
+ return 0;
+
+ /* Finally, check each individual parameters that are valid */
+ if (CHECK_FLAG(l1->flags, LS_ATTR_NAME)
+ && strncmp(l1->name, l2->name, MAX_NAME_LENGTH) != 0)
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_METRIC) && (l1->metric != l2->metric))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_TE_METRIC)
+ && (l1->standard.te_metric != l2->standard.te_metric))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_ADM_GRP)
+ && (l1->standard.admin_group != l2->standard.admin_group))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_LOCAL_ADDR)
+ && !IPV4_ADDR_SAME(&l1->standard.local, &l2->standard.local))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_NEIGH_ADDR)
+ && !IPV4_ADDR_SAME(&l1->standard.remote, &l2->standard.remote))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_LOCAL_ADDR6)
+ && !IPV6_ADDR_SAME(&l1->standard.local6, &l2->standard.local6))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_NEIGH_ADDR6)
+ && !IPV6_ADDR_SAME(&l1->standard.remote6, &l2->standard.remote6))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_LOCAL_ID)
+ && (l1->standard.local_id != l2->standard.local_id))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_NEIGH_ID)
+ && (l1->standard.remote_id != l2->standard.remote_id))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_MAX_BW)
+ && (l1->standard.max_bw != l2->standard.max_bw))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_MAX_RSV_BW)
+ && (l1->standard.max_rsv_bw != l2->standard.max_rsv_bw))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_UNRSV_BW)
+ && memcmp(&l1->standard.unrsv_bw, &l2->standard.unrsv_bw, 32) != 0)
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_REMOTE_AS)
+ && (l1->standard.remote_as != l2->standard.remote_as))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_REMOTE_ADDR)
+ && !IPV4_ADDR_SAME(&l1->standard.remote_addr,
+ &l2->standard.remote_addr))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_REMOTE_ADDR6)
+ && !IPV6_ADDR_SAME(&l1->standard.remote_addr6,
+ &l2->standard.remote_addr6))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_DELAY)
+ && (l1->extended.delay != l2->extended.delay))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_MIN_MAX_DELAY)
+ && ((l1->extended.min_delay != l2->extended.min_delay)
+ || (l1->extended.max_delay != l2->extended.max_delay)))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_JITTER)
+ && (l1->extended.jitter != l2->extended.jitter))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_PACKET_LOSS)
+ && (l1->extended.pkt_loss != l2->extended.pkt_loss))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_AVA_BW)
+ && (l1->extended.ava_bw != l2->extended.ava_bw))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_RSV_BW)
+ && (l1->extended.rsv_bw != l2->extended.rsv_bw))
+ return 0;
+ if (CHECK_FLAG(l1->flags, LS_ATTR_USE_BW)
+ && (l1->extended.used_bw != l2->extended.used_bw))
+ return 0;
+ for (int i = 0; i < LS_ADJ_MAX; i++) {
+ if (!CHECK_FLAG(l1->flags, (LS_ATTR_ADJ_SID << i)))
+ continue;
+ if ((l1->adj_sid[i].sid != l2->adj_sid[i].sid)
+ || (l1->adj_sid[i].flags != l2->adj_sid[i].flags)
+ || (l1->adj_sid[i].weight != l2->adj_sid[i].weight))
+ return 0;
+ if (((l1->adv.origin == ISIS_L1) || (l1->adv.origin == ISIS_L2))
+ && (memcmp(&l1->adj_sid[i].neighbor.sysid,
+ &l2->adj_sid[i].neighbor.sysid, ISO_SYS_ID_LEN)
+ != 0))
+ return 0;
+ if (((l1->adv.origin == OSPFv2) || (l1->adv.origin == STATIC)
+ || (l1->adv.origin == DIRECT))
+ && (i < ADJ_PRI_IPV6)
+ && (!IPV4_ADDR_SAME(&l1->adj_sid[i].neighbor.addr,
+ &l2->adj_sid[i].neighbor.addr)))
+ return 0;
+ }
+ if (CHECK_FLAG(l1->flags, LS_ATTR_SRLG)
+ && ((l1->srlg_len != l2->srlg_len)
+ || memcmp(l1->srlgs, l2->srlgs,
+ l1->srlg_len * sizeof(uint32_t))
+ != 0))
+ return 0;
+
+ /* OK, l1 & l2 are equal */
+ return 1;
+}
+
+/**
+ * Link State prefix management functions
+ */
+struct ls_prefix *ls_prefix_new(struct ls_node_id adv, struct prefix p)
+{
+ struct ls_prefix *new;
+
+ if (adv.origin == UNKNOWN)
+ return NULL;
+
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_attributes));
+ new->adv = adv;
+ new->pref = p;
+
+ return new;
+}
+
+void ls_prefix_del(struct ls_prefix *pref)
+{
+ if (!pref)
+ return;
+
+ XFREE(MTYPE_LS_DB, pref);
+}
+
+int ls_prefix_same(struct ls_prefix *p1, struct ls_prefix *p2)
+{
+ /* First, check pointer */
+ if ((p1 && !p2) || (!p1 && p2))
+ return 0;
+
+ if (p1 == p2)
+ return 1;
+
+ /* Then, verify Flags and Origin */
+ if (p1->flags != p2->flags)
+ return 0;
+
+ if (!ls_node_id_same(p1->adv, p2->adv))
+ return 0;
+
+ /* Finally, check each individual parameters that are valid */
+ if (prefix_same(&p1->pref, &p2->pref) == 0)
+ return 0;
+ if (CHECK_FLAG(p1->flags, LS_PREF_IGP_FLAG)
+ && (p1->igp_flag != p2->igp_flag))
+ return 0;
+ if (CHECK_FLAG(p1->flags, LS_PREF_ROUTE_TAG)
+ && (p1->route_tag != p2->route_tag))
+ return 0;
+ if (CHECK_FLAG(p1->flags, LS_PREF_EXTENDED_TAG)
+ && (p1->extended_tag != p2->extended_tag))
+ return 0;
+ if (CHECK_FLAG(p1->flags, LS_PREF_METRIC) && (p1->metric != p2->metric))
+ return 0;
+ if (CHECK_FLAG(p1->flags, LS_PREF_SR)) {
+ if ((p1->sr.algo != p2->sr.algo) || (p1->sr.sid != p2->sr.sid)
+ || (p1->sr.sid_flag != p2->sr.sid_flag))
+ return 0;
+ }
+
+ /* OK, p1 & p2 are equal */
+ return 1;
+}
+
+/**
+ * Link State Vertices management functions
+ */
+uint64_t sysid_to_key(const uint8_t sysid[ISO_SYS_ID_LEN])
+{
+ uint64_t key = 0;
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+ uint8_t *byte = (uint8_t *)&key;
+
+ for (int i = 0; i < ISO_SYS_ID_LEN; i++)
+ byte[i] = sysid[ISO_SYS_ID_LEN - i - 1];
+
+ byte[6] = 0;
+ byte[7] = 0;
+#else
+ memcpy(&key, sysid, ISO_SYS_ID_LEN);
+#endif
+
+ return key;
+}
+
+struct ls_vertex *ls_vertex_add(struct ls_ted *ted, struct ls_node *node)
+{
+ struct ls_vertex *new;
+ uint64_t key = 0;
+
+ if ((ted == NULL) || (node == NULL))
+ return NULL;
+
+ /* set Key as the IPv4/Ipv6 Router ID or ISO System ID */
+ switch (node->adv.origin) {
+ case OSPFv2:
+ case STATIC:
+ case DIRECT:
+ key = ((uint64_t)ntohl(node->adv.id.ip.addr.s_addr))
+ & 0xffffffff;
+ break;
+ case ISIS_L1:
+ case ISIS_L2:
+ key = sysid_to_key(node->adv.id.iso.sys_id);
+ break;
+ default:
+ key = 0;
+ break;
+ }
+
+ /* Check that key is valid */
+ if (key == 0)
+ return NULL;
+
+ /* Create Vertex and add it to the TED */
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_vertex));
+ if (!new)
+ return NULL;
+
+ new->key = key;
+ new->node = node;
+ new->status = NEW;
+ new->type = VERTEX;
+ new->incoming_edges = list_new();
+ new->incoming_edges->cmp = (int (*)(void *, void *))edge_cmp;
+ new->outgoing_edges = list_new();
+ new->outgoing_edges->cmp = (int (*)(void *, void *))edge_cmp;
+ new->prefixes = list_new();
+ new->prefixes->cmp = (int (*)(void *, void *))subnet_cmp;
+ vertices_add(&ted->vertices, new);
+
+ return new;
+}
+
+void ls_vertex_del(struct ls_ted *ted, struct ls_vertex *vertex)
+{
+ struct listnode *node, *nnode;
+ struct ls_edge *edge;
+ struct ls_subnet *subnet;
+
+ if (!ted || !vertex)
+ return;
+
+ /* Remove outgoing Edges and list */
+ for (ALL_LIST_ELEMENTS(vertex->outgoing_edges, node, nnode, edge))
+ ls_edge_del_all(ted, edge);
+ list_delete(&vertex->outgoing_edges);
+
+ /* Disconnect incoming Edges and remove list */
+ for (ALL_LIST_ELEMENTS(vertex->incoming_edges, node, nnode, edge)) {
+ ls_disconnect(vertex, edge, false);
+ if (edge->source == NULL)
+ ls_edge_del_all(ted, edge);
+ }
+ list_delete(&vertex->incoming_edges);
+
+ /* Remove subnet and list */
+ for (ALL_LIST_ELEMENTS(vertex->prefixes, node, nnode, subnet))
+ ls_subnet_del_all(ted, subnet);
+ list_delete(&vertex->prefixes);
+
+ /* Then remove Vertex from Link State Data Base and free memory */
+ vertices_del(&ted->vertices, vertex);
+ XFREE(MTYPE_LS_DB, vertex);
+ vertex = NULL;
+}
+
+void ls_vertex_del_all(struct ls_ted *ted, struct ls_vertex *vertex)
+{
+ if (!ted || !vertex)
+ return;
+
+ /* First remove associated Link State Node */
+ ls_node_del(vertex->node);
+
+ /* Then, Vertex itself */
+ ls_vertex_del(ted, vertex);
+}
+
+struct ls_vertex *ls_vertex_update(struct ls_ted *ted, struct ls_node *node)
+{
+ struct ls_vertex *old;
+
+ if (node == NULL)
+ return NULL;
+
+ old = ls_find_vertex_by_id(ted, node->adv);
+ if (old) {
+ if (!ls_node_same(old->node, node)) {
+ ls_node_del(old->node);
+ old->node = node;
+ }
+ old->status = UPDATE;
+ return old;
+ }
+
+ return ls_vertex_add(ted, node);
+}
+
+struct ls_vertex *ls_find_vertex_by_key(struct ls_ted *ted, const uint64_t key)
+{
+ struct ls_vertex vertex = {};
+
+ if (key == 0)
+ return NULL;
+
+ vertex.key = key;
+ return vertices_find(&ted->vertices, &vertex);
+}
+
+struct ls_vertex *ls_find_vertex_by_id(struct ls_ted *ted,
+ struct ls_node_id nid)
+{
+ struct ls_vertex vertex = {};
+
+ vertex.key = 0;
+ switch (nid.origin) {
+ case OSPFv2:
+ case STATIC:
+ case DIRECT:
+ vertex.key =
+ ((uint64_t)ntohl(nid.id.ip.addr.s_addr)) & 0xffffffff;
+ break;
+ case ISIS_L1:
+ case ISIS_L2:
+ vertex.key = sysid_to_key(nid.id.iso.sys_id);
+ break;
+ default:
+ return NULL;
+ }
+
+ return vertices_find(&ted->vertices, &vertex);
+}
+
+int ls_vertex_same(struct ls_vertex *v1, struct ls_vertex *v2)
+{
+ if ((v1 && !v2) || (!v1 && v2))
+ return 0;
+
+ if (!v1 && !v2)
+ return 1;
+
+ if (v1->key != v2->key)
+ return 0;
+
+ if (v1->node == v2->node)
+ return 1;
+
+ return ls_node_same(v1->node, v2->node);
+}
+
+void ls_vertex_clean(struct ls_ted *ted, struct ls_vertex *vertex,
+ struct zclient *zclient)
+{
+ struct listnode *node, *nnode;
+ struct ls_edge *edge;
+ struct ls_subnet *subnet;
+ struct ls_message msg;
+
+ /* Remove Orphan Edge ... */
+ for (ALL_LIST_ELEMENTS(vertex->outgoing_edges, node, nnode, edge)) {
+ if (edge->status == ORPHAN) {
+ if (zclient) {
+ edge->status = DELETE;
+ ls_edge2msg(&msg, edge);
+ ls_send_msg(zclient, &msg, NULL);
+ }
+ ls_edge_del_all(ted, edge);
+ }
+ }
+ for (ALL_LIST_ELEMENTS(vertex->incoming_edges, node, nnode, edge)) {
+ if (edge->status == ORPHAN) {
+ if (zclient) {
+ edge->status = DELETE;
+ ls_edge2msg(&msg, edge);
+ ls_send_msg(zclient, &msg, NULL);
+ }
+ ls_edge_del_all(ted, edge);
+ }
+ }
+
+ /* ... and Subnet from the Vertex */
+ for (ALL_LIST_ELEMENTS(vertex->prefixes, node, nnode, subnet)) {
+ if (subnet->status == ORPHAN) {
+ if (zclient) {
+ subnet->status = DELETE;
+ ls_subnet2msg(&msg, subnet);
+ ls_send_msg(zclient, &msg, NULL);
+ }
+ ls_subnet_del_all(ted, subnet);
+ }
+ }
+}
+
+/**
+ * Link State Edges management functions
+ */
+
+/**
+ * This function allows to connect the Edge to the vertices present in the TED.
+ * A temporary vertex that corresponds to the source of this Edge i.e. the
+ * advertised router, is created if not found in the Data Base. If a Edge that
+ * corresponds to the reverse path is found, the Edge is attached to the
+ * destination vertex as destination and reverse Edge is attached to the source
+ * vertex as source.
+ *
+ * @param ted Link State Data Base
+ * @param edge Link State Edge to be attached
+ */
+static void ls_edge_connect_to(struct ls_ted *ted, struct ls_edge *edge)
+{
+ struct ls_vertex *vertex = NULL;
+ struct ls_node *node;
+ struct ls_edge *dst;
+ const struct in_addr inaddr_any = {.s_addr = INADDR_ANY};
+
+ /* First, search if there is a Vertex that correspond to the Node ID */
+ vertex = ls_find_vertex_by_id(ted, edge->attributes->adv);
+ if (vertex == NULL) {
+ /* Create a new temporary Node & Vertex if not found */
+ node = ls_node_new(edge->attributes->adv, inaddr_any,
+ in6addr_any);
+ vertex = ls_vertex_add(ted, node);
+ }
+ /* and attach the edge as source to the vertex */
+ listnode_add_sort_nodup(vertex->outgoing_edges, edge);
+ edge->source = vertex;
+
+ /* Then search if there is a reverse Edge */
+ dst = ls_find_edge_by_destination(ted, edge->attributes);
+ /* attach the destination edge to the vertex */
+ if (dst) {
+ listnode_add_sort_nodup(vertex->incoming_edges, dst);
+ dst->destination = vertex;
+ /* and destination vertex to this edge */
+ vertex = dst->source;
+ listnode_add_sort_nodup(vertex->incoming_edges, edge);
+ edge->destination = vertex;
+ }
+}
+
+static uint64_t get_edge_key(struct ls_attributes *attr, bool dst)
+{
+ uint64_t key = 0;
+ struct ls_standard *std;
+
+ if (!attr)
+ return key;
+
+ std = &attr->standard;
+
+ if (dst) {
+ /* Key is the IPv4 remote address */
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR))
+ key = ((uint64_t)ntohl(std->remote.s_addr))
+ & 0xffffffff;
+ /* or the 64 bits LSB of IPv6 remote address */
+ else if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR6))
+ key = ((uint64_t)ntohl(std->remote6.s6_addr32[2]) << 32
+ | (uint64_t)ntohl(std->remote6.s6_addr32[3]));
+ /* of remote identifier if no IP addresses are defined */
+ else if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ID))
+ key = (((uint64_t)std->remote_id) & 0xffffffff)
+ | ((uint64_t)std->local_id << 32);
+ } else {
+ /* Key is the IPv4 local address */
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR))
+ key = ((uint64_t)ntohl(std->local.s_addr)) & 0xffffffff;
+ /* or the 64 bits LSB of IPv6 local address */
+ else if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6))
+ key = ((uint64_t)ntohl(std->local6.s6_addr32[2]) << 32
+ | (uint64_t)ntohl(std->local6.s6_addr32[3]));
+ /* of local identifier if no IP addresses are defined */
+ else if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ID))
+ key = (((uint64_t)std->local_id) & 0xffffffff)
+ | ((uint64_t)std->remote_id << 32);
+ }
+
+ return key;
+}
+
+struct ls_edge *ls_edge_add(struct ls_ted *ted,
+ struct ls_attributes *attributes)
+{
+ struct ls_edge *new;
+ uint64_t key = 0;
+
+ if (attributes == NULL)
+ return NULL;
+
+ key = get_edge_key(attributes, false);
+ if (key == 0)
+ return NULL;
+
+ /* Create Edge and add it to the TED */
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_edge));
+
+ new->attributes = attributes;
+ new->key = key;
+ new->status = NEW;
+ new->type = EDGE;
+ edges_add(&ted->edges, new);
+
+ /* Finally, connect Edge to Vertices */
+ ls_edge_connect_to(ted, new);
+
+ return new;
+}
+
+struct ls_edge *ls_find_edge_by_key(struct ls_ted *ted, const uint64_t key)
+{
+ struct ls_edge edge = {};
+
+ if (key == 0)
+ return NULL;
+
+ edge.key = key;
+ return edges_find(&ted->edges, &edge);
+}
+
+struct ls_edge *ls_find_edge_by_source(struct ls_ted *ted,
+ struct ls_attributes *attributes)
+{
+ struct ls_edge edge = {};
+
+ if (attributes == NULL)
+ return NULL;
+
+ edge.key = get_edge_key(attributes, false);
+ if (edge.key == 0)
+ return NULL;
+
+ return edges_find(&ted->edges, &edge);
+}
+
+struct ls_edge *ls_find_edge_by_destination(struct ls_ted *ted,
+ struct ls_attributes *attributes)
+{
+ struct ls_edge edge = {};
+
+ if (attributes == NULL)
+ return NULL;
+
+ edge.key = get_edge_key(attributes, true);
+ if (edge.key == 0)
+ return NULL;
+
+ return edges_find(&ted->edges, &edge);
+}
+
+struct ls_edge *ls_edge_update(struct ls_ted *ted,
+ struct ls_attributes *attributes)
+{
+ struct ls_edge *old;
+
+ if (attributes == NULL)
+ return NULL;
+
+ /* First, search for an existing Edge */
+ old = ls_find_edge_by_source(ted, attributes);
+ if (old) {
+ /* Check if attributes are similar */
+ if (!ls_attributes_same(old->attributes, attributes)) {
+ ls_attributes_del(old->attributes);
+ old->attributes = attributes;
+ }
+ old->status = UPDATE;
+ return old;
+ }
+
+ /* If not found, add new Edge from the attributes */
+ return ls_edge_add(ted, attributes);
+}
+
+int ls_edge_same(struct ls_edge *e1, struct ls_edge *e2)
+{
+ if ((e1 && !e2) || (!e1 && e2))
+ return 0;
+
+ if (!e1 && !e2)
+ return 1;
+
+ if (e1->key != e2->key)
+ return 0;
+
+ if (e1->attributes == e2->attributes)
+ return 1;
+
+ return ls_attributes_same(e1->attributes, e2->attributes);
+}
+
+void ls_edge_del(struct ls_ted *ted, struct ls_edge *edge)
+{
+ if (!ted || !edge)
+ return;
+
+ /* Fist disconnect Edge from Vertices */
+ ls_disconnect_edge(edge);
+ /* Then remove it from the Data Base */
+ edges_del(&ted->edges, edge);
+ XFREE(MTYPE_LS_DB, edge);
+}
+
+void ls_edge_del_all(struct ls_ted *ted, struct ls_edge *edge)
+{
+ if (!ted || !edge)
+ return;
+
+ /* Remove associated Link State Attributes */
+ ls_attributes_del(edge->attributes);
+ /* Then Edge itself */
+ ls_edge_del(ted, edge);
+}
+
+/**
+ * Link State Subnet Management functions.
+ */
+struct ls_subnet *ls_subnet_add(struct ls_ted *ted,
+ struct ls_prefix *ls_pref)
+{
+ struct ls_subnet *new;
+ struct ls_vertex *vertex;
+ struct ls_node *node;
+ const struct in_addr inaddr_any = {.s_addr = INADDR_ANY};
+
+ if (ls_pref == NULL)
+ return NULL;
+
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_subnet));
+ new->ls_pref = ls_pref;
+ new->key = ls_pref->pref;
+ new->status = NEW;
+ new->type = SUBNET;
+
+ /* Find Vertex */
+ vertex = ls_find_vertex_by_id(ted, ls_pref->adv);
+ if (vertex == NULL) {
+ /* Create a new temporary Node & Vertex if not found */
+ node = ls_node_new(ls_pref->adv, inaddr_any, in6addr_any);
+ vertex = ls_vertex_add(ted, node);
+ }
+ /* And attach the subnet to the corresponding Vertex */
+ new->vertex = vertex;
+ listnode_add_sort_nodup(vertex->prefixes, new);
+
+ subnets_add(&ted->subnets, new);
+
+ return new;
+}
+
+struct ls_subnet *ls_subnet_update(struct ls_ted *ted, struct ls_prefix *pref)
+{
+ struct ls_subnet *old;
+
+ if (pref == NULL)
+ return NULL;
+
+ old = ls_find_subnet(ted, pref->pref);
+ if (old) {
+ if (!ls_prefix_same(old->ls_pref, pref)) {
+ ls_prefix_del(old->ls_pref);
+ old->ls_pref = pref;
+ }
+ old->status = UPDATE;
+ return old;
+ }
+
+ return ls_subnet_add(ted, pref);
+}
+
+int ls_subnet_same(struct ls_subnet *s1, struct ls_subnet *s2)
+{
+ if ((s1 && !s2) || (!s1 && s2))
+ return 0;
+
+ if (!s1 && !s2)
+ return 1;
+
+ if (!prefix_same(&s1->key, &s2->key))
+ return 0;
+
+ if (s1->ls_pref == s2->ls_pref)
+ return 1;
+
+ return ls_prefix_same(s1->ls_pref, s2->ls_pref);
+}
+
+void ls_subnet_del(struct ls_ted *ted, struct ls_subnet *subnet)
+{
+ if (!ted || !subnet)
+ return;
+
+ /* First, disconnect Subnet from associated Vertex */
+ listnode_delete(subnet->vertex->prefixes, subnet);
+ /* Then delete Subnet */
+ subnets_del(&ted->subnets, subnet);
+ XFREE(MTYPE_LS_DB, subnet);
+}
+
+void ls_subnet_del_all(struct ls_ted *ted, struct ls_subnet *subnet)
+{
+ if (!ted || !subnet)
+ return;
+
+ /* First, remove associated Link State Subnet */
+ ls_prefix_del(subnet->ls_pref);
+ /* Then, delete Subnet itself */
+ ls_subnet_del(ted, subnet);
+}
+
+struct ls_subnet *ls_find_subnet(struct ls_ted *ted, const struct prefix prefix)
+{
+ struct ls_subnet subnet = {};
+
+ subnet.key = prefix;
+ return subnets_find(&ted->subnets, &subnet);
+}
+
+/**
+ * Link State TED management functions
+ */
+struct ls_ted *ls_ted_new(const uint32_t key, const char *name,
+ uint32_t as_number)
+{
+ struct ls_ted *new;
+
+ new = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_ted));
+
+ /* Set basic information for this ted */
+ new->key = key;
+ new->as_number = as_number;
+ strlcpy(new->name, name, MAX_NAME_LENGTH);
+
+ /* Initialize the various RB tree */
+ vertices_init(&new->vertices);
+ edges_init(&new->edges);
+ subnets_init(&new->subnets);
+
+ return new;
+}
+
+void ls_ted_del(struct ls_ted *ted)
+{
+ if (ted == NULL)
+ return;
+
+ /* Check that TED is empty */
+ if (vertices_count(&ted->vertices) || edges_count(&ted->edges)
+ || subnets_count(&ted->subnets))
+ return;
+
+ /* Release RB Tree */
+ vertices_fini(&ted->vertices);
+ edges_fini(&ted->edges);
+ subnets_fini(&ted->subnets);
+
+ XFREE(MTYPE_LS_DB, ted);
+}
+
+void ls_ted_del_all(struct ls_ted **ted)
+{
+ struct ls_vertex *vertex;
+ struct ls_edge *edge;
+ struct ls_subnet *subnet;
+
+ if (*ted == NULL)
+ return;
+
+ /* First remove Vertices, Edges and Subnets and associated Link State */
+ frr_each_safe (vertices, &(*ted)->vertices, vertex)
+ ls_vertex_del_all(*ted, vertex);
+ frr_each_safe (edges, &(*ted)->edges, edge)
+ ls_edge_del_all(*ted, edge);
+ frr_each_safe (subnets, &(*ted)->subnets, subnet)
+ ls_subnet_del_all(*ted, subnet);
+
+ /* then remove TED itself */
+ ls_ted_del(*ted);
+ *ted = NULL;
+}
+
+void ls_ted_clean(struct ls_ted *ted)
+{
+ struct ls_vertex *vertex;
+ struct ls_edge *edge;
+ struct ls_subnet *subnet;
+
+ if (ted == NULL)
+ return;
+
+ /* First, start with Vertices */
+ frr_each_safe (vertices, &ted->vertices, vertex)
+ if (vertex->status == ORPHAN)
+ ls_vertex_del_all(ted, vertex);
+
+ /* Then Edges */
+ frr_each_safe (edges, &ted->edges, edge)
+ if (edge->status == ORPHAN)
+ ls_edge_del_all(ted, edge);
+
+ /* and Subnets */
+ frr_each_safe (subnets, &ted->subnets, subnet)
+ if (subnet->status == ORPHAN)
+ ls_subnet_del_all(ted, subnet);
+
+}
+
+void ls_connect(struct ls_vertex *vertex, struct ls_edge *edge, bool source)
+{
+ if (vertex == NULL || edge == NULL)
+ return;
+
+ if (source) {
+ listnode_add_sort_nodup(vertex->outgoing_edges, edge);
+ edge->source = vertex;
+ } else {
+ listnode_add_sort_nodup(vertex->incoming_edges, edge);
+ edge->destination = vertex;
+ }
+}
+
+void ls_disconnect(struct ls_vertex *vertex, struct ls_edge *edge, bool source)
+{
+
+ if (vertex == NULL || edge == NULL)
+ return;
+
+ if (source) {
+ listnode_delete(vertex->outgoing_edges, edge);
+ edge->source = NULL;
+ } else {
+ listnode_delete(vertex->incoming_edges, edge);
+ edge->destination = NULL;
+ }
+}
+
+void ls_connect_vertices(struct ls_vertex *src, struct ls_vertex *dst,
+ struct ls_edge *edge)
+{
+ if (edge == NULL)
+ return;
+
+ edge->source = src;
+ edge->destination = dst;
+
+ if (src != NULL)
+ listnode_add_sort_nodup(src->outgoing_edges, edge);
+
+ if (dst != NULL)
+ listnode_add_sort_nodup(dst->incoming_edges, edge);
+}
+
+void ls_disconnect_edge(struct ls_edge *edge)
+{
+ if (edge == NULL)
+ return;
+
+ ls_disconnect(edge->source, edge, true);
+ ls_disconnect(edge->destination, edge, false);
+
+ /* Mark this Edge as ORPHAN for future cleanup */
+ edge->status = ORPHAN;
+}
+
+/**
+ * Link State Message management functions
+ */
+
+int ls_register(struct zclient *zclient, bool server)
+{
+ int rc;
+
+ if (server)
+ rc = zclient_register_opaque(zclient, LINK_STATE_SYNC);
+ else
+ rc = zclient_register_opaque(zclient, LINK_STATE_UPDATE);
+
+ return rc;
+}
+
+int ls_unregister(struct zclient *zclient, bool server)
+{
+ int rc;
+
+ if (server)
+ rc = zclient_unregister_opaque(zclient, LINK_STATE_SYNC);
+ else
+ rc = zclient_unregister_opaque(zclient, LINK_STATE_UPDATE);
+
+ return rc;
+}
+
+int ls_request_sync(struct zclient *zclient)
+{
+ struct stream *s;
+ uint16_t flags = 0;
+
+ /* Check buffer size */
+ if (STREAM_SIZE(zclient->obuf)
+ < (ZEBRA_HEADER_SIZE + 3 * sizeof(uint32_t)))
+ return -1;
+
+ s = zclient->obuf;
+ stream_reset(s);
+
+ zclient_create_header(s, ZEBRA_OPAQUE_MESSAGE, VRF_DEFAULT);
+
+ /* Set type and flags */
+ stream_putl(s, LINK_STATE_SYNC);
+ stream_putw(s, flags);
+ /* Send destination client info */
+ stream_putc(s, zclient->redist_default);
+ stream_putw(s, zclient->instance);
+ stream_putl(s, zclient->session_id);
+
+ /* Put length into the header at the start of the stream. */
+ stream_putw_at(s, 0, stream_get_endp(s));
+
+ return zclient_send_message(zclient);
+}
+
+static struct ls_node *ls_parse_node(struct stream *s)
+{
+ struct ls_node *node;
+ size_t len;
+
+ node = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_node));
+
+ STREAM_GET(&node->adv, s, sizeof(struct ls_node_id));
+ STREAM_GETW(s, node->flags);
+ if (CHECK_FLAG(node->flags, LS_NODE_NAME)) {
+ STREAM_GETC(s, len);
+ STREAM_GET(node->name, s, len);
+ }
+ if (CHECK_FLAG(node->flags, LS_NODE_ROUTER_ID))
+ node->router_id.s_addr = stream_get_ipv4(s);
+ if (CHECK_FLAG(node->flags, LS_NODE_ROUTER_ID6))
+ STREAM_GET(&node->router_id6, s, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(node->flags, LS_NODE_FLAG))
+ STREAM_GETC(s, node->node_flag);
+ if (CHECK_FLAG(node->flags, LS_NODE_TYPE))
+ STREAM_GETC(s, node->type);
+ if (CHECK_FLAG(node->flags, LS_NODE_AS_NUMBER))
+ STREAM_GETL(s, node->as_number);
+ if (CHECK_FLAG(node->flags, LS_NODE_SR)) {
+ STREAM_GETL(s, node->srgb.lower_bound);
+ STREAM_GETL(s, node->srgb.range_size);
+ STREAM_GETC(s, node->srgb.flag);
+ STREAM_GET(node->algo, s, 2);
+ }
+ if (CHECK_FLAG(node->flags, LS_NODE_SRLB)) {
+ STREAM_GETL(s, node->srlb.lower_bound);
+ STREAM_GETL(s, node->srlb.range_size);
+ }
+ if (CHECK_FLAG(node->flags, LS_NODE_MSD))
+ STREAM_GETC(s, node->msd);
+
+ return node;
+
+stream_failure:
+ zlog_err("LS(%s): Could not parse Link State Node. Abort!", __func__);
+ XFREE(MTYPE_LS_DB, node);
+ return NULL;
+}
+
+static struct ls_attributes *ls_parse_attributes(struct stream *s)
+{
+ struct ls_attributes *attr;
+ size_t len;
+
+ attr = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_attributes));
+ attr->srlgs = NULL;
+
+ STREAM_GET(&attr->adv, s, sizeof(struct ls_node_id));
+ STREAM_GETL(s, attr->flags);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NAME)) {
+ STREAM_GETC(s, len);
+ STREAM_GET(attr->name, s, len);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_METRIC))
+ STREAM_GETL(s, attr->metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_TE_METRIC))
+ STREAM_GETL(s, attr->standard.te_metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADM_GRP))
+ STREAM_GETL(s, attr->standard.admin_group);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR))
+ attr->standard.local.s_addr = stream_get_ipv4(s);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR))
+ attr->standard.remote.s_addr = stream_get_ipv4(s);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6))
+ STREAM_GET(&attr->standard.local6, s, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR6))
+ STREAM_GET(&attr->standard.remote6, s, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ID))
+ STREAM_GETL(s, attr->standard.local_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ID))
+ STREAM_GETL(s, attr->standard.remote_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_BW))
+ STREAM_GETF(s, attr->standard.max_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_RSV_BW))
+ STREAM_GETF(s, attr->standard.max_rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_UNRSV_BW))
+ for (len = 0; len < MAX_CLASS_TYPE; len++)
+ STREAM_GETF(s, attr->standard.unrsv_bw[len]);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_AS))
+ STREAM_GETL(s, attr->standard.remote_as);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR))
+ attr->standard.remote_addr.s_addr = stream_get_ipv4(s);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR6))
+ STREAM_GET(&attr->standard.remote_addr6, s, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_DELAY))
+ STREAM_GETL(s, attr->extended.delay);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MIN_MAX_DELAY)) {
+ STREAM_GETL(s, attr->extended.min_delay);
+ STREAM_GETL(s, attr->extended.max_delay);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_JITTER))
+ STREAM_GETL(s, attr->extended.jitter);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_PACKET_LOSS))
+ STREAM_GETL(s, attr->extended.pkt_loss);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_AVA_BW))
+ STREAM_GETF(s, attr->extended.ava_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_RSV_BW))
+ STREAM_GETF(s, attr->extended.rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_USE_BW))
+ STREAM_GETF(s, attr->extended.used_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID)) {
+ STREAM_GETL(s, attr->adj_sid[ADJ_PRI_IPV4].sid);
+ STREAM_GETC(s, attr->adj_sid[ADJ_PRI_IPV4].flags);
+ STREAM_GETC(s, attr->adj_sid[ADJ_PRI_IPV4].weight);
+ attr->adj_sid[ADJ_PRI_IPV4].neighbor.addr.s_addr =
+ stream_get_ipv4(s);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID)) {
+ STREAM_GETL(s, attr->adj_sid[ADJ_BCK_IPV4].sid);
+ STREAM_GETC(s, attr->adj_sid[ADJ_BCK_IPV4].flags);
+ STREAM_GETC(s, attr->adj_sid[ADJ_BCK_IPV4].weight);
+ attr->adj_sid[ADJ_BCK_IPV4].neighbor.addr.s_addr =
+ stream_get_ipv4(s);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID6)) {
+ STREAM_GETL(s, attr->adj_sid[ADJ_PRI_IPV6].sid);
+ STREAM_GETC(s, attr->adj_sid[ADJ_PRI_IPV6].flags);
+ STREAM_GETC(s, attr->adj_sid[ADJ_PRI_IPV6].weight);
+ STREAM_GET(attr->adj_sid[ADJ_PRI_IPV6].neighbor.sysid, s,
+ ISO_SYS_ID_LEN);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID6)) {
+ STREAM_GETL(s, attr->adj_sid[ADJ_BCK_IPV6].sid);
+ STREAM_GETC(s, attr->adj_sid[ADJ_BCK_IPV6].flags);
+ STREAM_GETC(s, attr->adj_sid[ADJ_BCK_IPV6].weight);
+ STREAM_GET(attr->adj_sid[ADJ_BCK_IPV6].neighbor.sysid, s,
+ ISO_SYS_ID_LEN);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_SRLG)) {
+ STREAM_GETC(s, len);
+ attr->srlgs = XCALLOC(MTYPE_LS_DB, len*sizeof(uint32_t));
+ attr->srlg_len = len;
+ for (len = 0; len < attr->srlg_len; len++)
+ STREAM_GETL(s, attr->srlgs[len]);
+ }
+
+ return attr;
+
+stream_failure:
+ zlog_err("LS(%s): Could not parse Link State Attributes. Abort!",
+ __func__);
+ /* Clean memory allocation */
+ if (attr->srlgs != NULL)
+ XFREE(MTYPE_LS_DB, attr->srlgs);
+ XFREE(MTYPE_LS_DB, attr);
+ return NULL;
+
+}
+
+static struct ls_prefix *ls_parse_prefix(struct stream *s)
+{
+ struct ls_prefix *ls_pref;
+ size_t len;
+
+ ls_pref = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_prefix));
+
+ STREAM_GET(&ls_pref->adv, s, sizeof(struct ls_node_id));
+ STREAM_GETW(s, ls_pref->flags);
+ STREAM_GETC(s, ls_pref->pref.family);
+ STREAM_GETW(s, ls_pref->pref.prefixlen);
+ len = prefix_blen(&ls_pref->pref);
+ STREAM_GET(&ls_pref->pref.u.prefix, s, len);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_IGP_FLAG))
+ STREAM_GETC(s, ls_pref->igp_flag);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_ROUTE_TAG))
+ STREAM_GETL(s, ls_pref->route_tag);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_EXTENDED_TAG))
+ STREAM_GETQ(s, ls_pref->extended_tag);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_METRIC))
+ STREAM_GETL(s, ls_pref->metric);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_SR)) {
+ STREAM_GETL(s, ls_pref->sr.sid);
+ STREAM_GETC(s, ls_pref->sr.sid_flag);
+ STREAM_GETC(s, ls_pref->sr.algo);
+ }
+
+ return ls_pref;
+
+stream_failure:
+ zlog_err("LS(%s): Could not parse Link State Prefix. Abort!", __func__);
+ XFREE(MTYPE_LS_DB, ls_pref);
+ return NULL;
+}
+
+struct ls_message *ls_parse_msg(struct stream *s)
+{
+ struct ls_message *msg;
+
+ msg = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_message));
+
+ /* Read LS Message header */
+ STREAM_GETC(s, msg->event);
+ STREAM_GETC(s, msg->type);
+
+ /* Read Message Payload */
+ switch (msg->type) {
+ case LS_MSG_TYPE_NODE:
+ msg->data.node = ls_parse_node(s);
+ break;
+ case LS_MSG_TYPE_ATTRIBUTES:
+ STREAM_GET(&msg->remote_id, s, sizeof(struct ls_node_id));
+ msg->data.attr = ls_parse_attributes(s);
+ break;
+ case LS_MSG_TYPE_PREFIX:
+ msg->data.prefix = ls_parse_prefix(s);
+ break;
+ default:
+ zlog_err("Unsupported Payload");
+ goto stream_failure;
+ }
+
+ if (msg->data.node == NULL || msg->data.attr == NULL
+ || msg->data.prefix == NULL)
+ goto stream_failure;
+
+ return msg;
+
+stream_failure:
+ zlog_err("LS(%s): Could not parse LS message. Abort!", __func__);
+ XFREE(MTYPE_LS_DB, msg);
+ return NULL;
+}
+
+static int ls_format_node(struct stream *s, struct ls_node *node)
+{
+ size_t len;
+
+ /* Push Advertise node information first */
+ stream_put(s, &node->adv, sizeof(struct ls_node_id));
+
+ /* Push Flags & Origin then Node information if there are present */
+ stream_putw(s, node->flags);
+ if (CHECK_FLAG(node->flags, LS_NODE_NAME)) {
+ len = strlen(node->name);
+ stream_putc(s, len + 1);
+ stream_put(s, node->name, len);
+ stream_putc(s, '\0');
+ }
+ if (CHECK_FLAG(node->flags, LS_NODE_ROUTER_ID))
+ stream_put_ipv4(s, node->router_id.s_addr);
+ if (CHECK_FLAG(node->flags, LS_NODE_ROUTER_ID6))
+ stream_put(s, &node->router_id6, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(node->flags, LS_NODE_FLAG))
+ stream_putc(s, node->node_flag);
+ if (CHECK_FLAG(node->flags, LS_NODE_TYPE))
+ stream_putc(s, node->type);
+ if (CHECK_FLAG(node->flags, LS_NODE_AS_NUMBER))
+ stream_putl(s, node->as_number);
+ if (CHECK_FLAG(node->flags, LS_NODE_SR)) {
+ stream_putl(s, node->srgb.lower_bound);
+ stream_putl(s, node->srgb.range_size);
+ stream_putc(s, node->srgb.flag);
+ stream_put(s, node->algo, 2);
+ }
+ if (CHECK_FLAG(node->flags, LS_NODE_SRLB)) {
+ stream_putl(s, node->srlb.lower_bound);
+ stream_putl(s, node->srlb.range_size);
+ }
+ if (CHECK_FLAG(node->flags, LS_NODE_MSD))
+ stream_putc(s, node->msd);
+
+ return 0;
+}
+
+static int ls_format_attributes(struct stream *s, struct ls_attributes *attr)
+{
+ size_t len;
+
+ /* Push Advertise node information first */
+ stream_put(s, &attr->adv, sizeof(struct ls_node_id));
+
+ /* Push Flags & Origin then LS attributes if there are present */
+ stream_putl(s, attr->flags);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NAME)) {
+ len = strlen(attr->name);
+ stream_putc(s, len + 1);
+ stream_put(s, attr->name, len);
+ stream_putc(s, '\0');
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_METRIC))
+ stream_putl(s, attr->metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_TE_METRIC))
+ stream_putl(s, attr->standard.te_metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADM_GRP))
+ stream_putl(s, attr->standard.admin_group);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR))
+ stream_put_ipv4(s, attr->standard.local.s_addr);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR))
+ stream_put_ipv4(s, attr->standard.remote.s_addr);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6))
+ stream_put(s, &attr->standard.local6, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR6))
+ stream_put(s, &attr->standard.remote6, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ID))
+ stream_putl(s, attr->standard.local_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ID))
+ stream_putl(s, attr->standard.remote_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_BW))
+ stream_putf(s, attr->standard.max_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_RSV_BW))
+ stream_putf(s, attr->standard.max_rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_UNRSV_BW))
+ for (len = 0; len < MAX_CLASS_TYPE; len++)
+ stream_putf(s, attr->standard.unrsv_bw[len]);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_AS))
+ stream_putl(s, attr->standard.remote_as);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR))
+ stream_put_ipv4(s, attr->standard.remote_addr.s_addr);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR6))
+ stream_put(s, &attr->standard.remote_addr6, IPV6_MAX_BYTELEN);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_DELAY))
+ stream_putl(s, attr->extended.delay);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MIN_MAX_DELAY)) {
+ stream_putl(s, attr->extended.min_delay);
+ stream_putl(s, attr->extended.max_delay);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_JITTER))
+ stream_putl(s, attr->extended.jitter);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_PACKET_LOSS))
+ stream_putl(s, attr->extended.pkt_loss);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_AVA_BW))
+ stream_putf(s, attr->extended.ava_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_RSV_BW))
+ stream_putf(s, attr->extended.rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_USE_BW))
+ stream_putf(s, attr->extended.used_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID)) {
+ stream_putl(s, attr->adj_sid[ADJ_PRI_IPV4].sid);
+ stream_putc(s, attr->adj_sid[ADJ_PRI_IPV4].flags);
+ stream_putc(s, attr->adj_sid[ADJ_PRI_IPV4].weight);
+ stream_put_ipv4(
+ s, attr->adj_sid[ADJ_PRI_IPV4].neighbor.addr.s_addr);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID)) {
+ stream_putl(s, attr->adj_sid[ADJ_BCK_IPV4].sid);
+ stream_putc(s, attr->adj_sid[ADJ_BCK_IPV4].flags);
+ stream_putc(s, attr->adj_sid[ADJ_BCK_IPV4].weight);
+ stream_put_ipv4(
+ s, attr->adj_sid[ADJ_BCK_IPV4].neighbor.addr.s_addr);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID6)) {
+ stream_putl(s, attr->adj_sid[ADJ_PRI_IPV6].sid);
+ stream_putc(s, attr->adj_sid[ADJ_PRI_IPV6].flags);
+ stream_putc(s, attr->adj_sid[ADJ_PRI_IPV6].weight);
+ stream_put(s, attr->adj_sid[ADJ_PRI_IPV6].neighbor.sysid,
+ ISO_SYS_ID_LEN);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID6)) {
+ stream_putl(s, attr->adj_sid[ADJ_BCK_IPV6].sid);
+ stream_putc(s, attr->adj_sid[ADJ_BCK_IPV6].flags);
+ stream_putc(s, attr->adj_sid[ADJ_BCK_IPV6].weight);
+ stream_put(s, attr->adj_sid[ADJ_BCK_IPV6].neighbor.sysid,
+ ISO_SYS_ID_LEN);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_SRLG)) {
+ stream_putc(s, attr->srlg_len);
+ for (len = 0; len < attr->srlg_len; len++)
+ stream_putl(s, attr->srlgs[len]);
+ }
+
+ return 0;
+}
+
+static int ls_format_prefix(struct stream *s, struct ls_prefix *ls_pref)
+{
+ size_t len;
+
+ /* Push Advertise node information first */
+ stream_put(s, &ls_pref->adv, sizeof(struct ls_node_id));
+
+ /* Push Flags, Origin & Prefix then information if there are present */
+ stream_putw(s, ls_pref->flags);
+ stream_putc(s, ls_pref->pref.family);
+ stream_putw(s, ls_pref->pref.prefixlen);
+ len = prefix_blen(&ls_pref->pref);
+ stream_put(s, &ls_pref->pref.u.prefix, len);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_IGP_FLAG))
+ stream_putc(s, ls_pref->igp_flag);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_ROUTE_TAG))
+ stream_putl(s, ls_pref->route_tag);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_EXTENDED_TAG))
+ stream_putq(s, ls_pref->extended_tag);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_METRIC))
+ stream_putl(s, ls_pref->metric);
+ if (CHECK_FLAG(ls_pref->flags, LS_PREF_SR)) {
+ stream_putl(s, ls_pref->sr.sid);
+ stream_putc(s, ls_pref->sr.sid_flag);
+ stream_putc(s, ls_pref->sr.algo);
+ }
+
+ return 0;
+}
+
+static int ls_format_msg(struct stream *s, struct ls_message *msg)
+{
+
+ /* Prepare Link State header */
+ stream_putc(s, msg->event);
+ stream_putc(s, msg->type);
+
+ /* Add Message Payload */
+ switch (msg->type) {
+ case LS_MSG_TYPE_NODE:
+ return ls_format_node(s, msg->data.node);
+ case LS_MSG_TYPE_ATTRIBUTES:
+ /* Add remote node first */
+ stream_put(s, &msg->remote_id, sizeof(struct ls_node_id));
+ return ls_format_attributes(s, msg->data.attr);
+ case LS_MSG_TYPE_PREFIX:
+ return ls_format_prefix(s, msg->data.prefix);
+ default:
+ zlog_warn("Unsupported Payload");
+ break;
+ }
+
+ return -1;
+}
+
+int ls_send_msg(struct zclient *zclient, struct ls_message *msg,
+ struct zapi_opaque_reg_info *dst)
+{
+ struct stream *s;
+ uint16_t flags = 0;
+
+ /* Check if we have a valid message */
+ if (msg->event == LS_MSG_EVENT_UNDEF)
+ return -1;
+
+ /* Check buffer size */
+ if (STREAM_SIZE(zclient->obuf) <
+ (ZEBRA_HEADER_SIZE + sizeof(uint32_t) + sizeof(msg)))
+ return -1;
+
+ s = zclient->obuf;
+ stream_reset(s);
+
+ zclient_create_header(s, ZEBRA_OPAQUE_MESSAGE, VRF_DEFAULT);
+
+ /* Set sub-type, flags and destination for unicast message */
+ stream_putl(s, LINK_STATE_UPDATE);
+ if (dst != NULL) {
+ SET_FLAG(flags, ZAPI_OPAQUE_FLAG_UNICAST);
+ stream_putw(s, flags);
+ /* Send destination client info */
+ stream_putc(s, dst->proto);
+ stream_putw(s, dst->instance);
+ stream_putl(s, dst->session_id);
+ } else {
+ stream_putw(s, flags);
+ }
+
+ /* Format Link State message */
+ if (ls_format_msg(s, msg) < 0) {
+ stream_reset(s);
+ return -1;
+ }
+
+ /* Put length into the header at the start of the stream. */
+ stream_putw_at(s, 0, stream_get_endp(s));
+
+ return zclient_send_message(zclient);
+}
+struct ls_message *ls_vertex2msg(struct ls_message *msg,
+ struct ls_vertex *vertex)
+{
+ /* Allocate space if needed */
+ if (msg == NULL)
+ msg = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_message));
+ else
+ memset(msg, 0, sizeof(*msg));
+
+ msg->type = LS_MSG_TYPE_NODE;
+ switch (vertex->status) {
+ case NEW:
+ msg->event = LS_MSG_EVENT_ADD;
+ break;
+ case UPDATE:
+ msg->event = LS_MSG_EVENT_UPDATE;
+ break;
+ case DELETE:
+ msg->event = LS_MSG_EVENT_DELETE;
+ break;
+ case SYNC:
+ msg->event = LS_MSG_EVENT_SYNC;
+ break;
+ default:
+ msg->event = LS_MSG_EVENT_UNDEF;
+ break;
+ }
+ msg->data.node = vertex->node;
+ msg->remote_id.origin = UNKNOWN;
+
+ return msg;
+}
+
+struct ls_message *ls_edge2msg(struct ls_message *msg, struct ls_edge *edge)
+{
+ /* Allocate space if needed */
+ if (msg == NULL)
+ msg = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_message));
+ else
+ memset(msg, 0, sizeof(*msg));
+
+ msg->type = LS_MSG_TYPE_ATTRIBUTES;
+ switch (edge->status) {
+ case NEW:
+ msg->event = LS_MSG_EVENT_ADD;
+ break;
+ case UPDATE:
+ msg->event = LS_MSG_EVENT_UPDATE;
+ break;
+ case DELETE:
+ msg->event = LS_MSG_EVENT_DELETE;
+ break;
+ case SYNC:
+ msg->event = LS_MSG_EVENT_SYNC;
+ break;
+ default:
+ msg->event = LS_MSG_EVENT_UNDEF;
+ break;
+ }
+ msg->data.attr = edge->attributes;
+ if (edge->destination != NULL)
+ msg->remote_id = edge->destination->node->adv;
+ else
+ msg->remote_id.origin = UNKNOWN;
+
+ return msg;
+}
+
+struct ls_message *ls_subnet2msg(struct ls_message *msg,
+ struct ls_subnet *subnet)
+{
+ /* Allocate space if needed */
+ if (msg == NULL)
+ msg = XCALLOC(MTYPE_LS_DB, sizeof(struct ls_message));
+ else
+ memset(msg, 0, sizeof(*msg));
+
+ msg->type = LS_MSG_TYPE_PREFIX;
+ switch (subnet->status) {
+ case NEW:
+ msg->event = LS_MSG_EVENT_ADD;
+ break;
+ case UPDATE:
+ msg->event = LS_MSG_EVENT_UPDATE;
+ break;
+ case DELETE:
+ msg->event = LS_MSG_EVENT_DELETE;
+ break;
+ case SYNC:
+ msg->event = LS_MSG_EVENT_SYNC;
+ break;
+ default:
+ msg->event = LS_MSG_EVENT_UNDEF;
+ break;
+ }
+ msg->data.prefix = subnet->ls_pref;
+ msg->remote_id.origin = UNKNOWN;
+
+ return msg;
+}
+
+struct ls_vertex *ls_msg2vertex(struct ls_ted *ted, struct ls_message *msg,
+ bool delete)
+{
+ struct ls_node *node = (struct ls_node *)msg->data.node;
+ struct ls_vertex *vertex = NULL;
+
+ switch (msg->event) {
+ case LS_MSG_EVENT_SYNC:
+ vertex = ls_vertex_add(ted, node);
+ if (vertex)
+ vertex->status = SYNC;
+ break;
+ case LS_MSG_EVENT_ADD:
+ vertex = ls_vertex_add(ted, node);
+ if (vertex)
+ vertex->status = NEW;
+ break;
+ case LS_MSG_EVENT_UPDATE:
+ vertex = ls_vertex_update(ted, node);
+ if (vertex)
+ vertex->status = UPDATE;
+ break;
+ case LS_MSG_EVENT_DELETE:
+ vertex = ls_find_vertex_by_id(ted, node->adv);
+ if (vertex) {
+ if (delete)
+ ls_vertex_del_all(ted, vertex);
+ else
+ vertex->status = DELETE;
+ }
+ break;
+ default:
+ vertex = NULL;
+ break;
+ }
+
+ return vertex;
+}
+
+struct ls_edge *ls_msg2edge(struct ls_ted *ted, struct ls_message *msg,
+ bool delete)
+{
+ struct ls_attributes *attr = (struct ls_attributes *)msg->data.attr;
+ struct ls_edge *edge = NULL;
+
+ switch (msg->event) {
+ case LS_MSG_EVENT_SYNC:
+ edge = ls_edge_add(ted, attr);
+ if (edge)
+ edge->status = SYNC;
+ break;
+ case LS_MSG_EVENT_ADD:
+ edge = ls_edge_add(ted, attr);
+ if (edge)
+ edge->status = NEW;
+ break;
+ case LS_MSG_EVENT_UPDATE:
+ edge = ls_edge_update(ted, attr);
+ if (edge)
+ edge->status = UPDATE;
+ break;
+ case LS_MSG_EVENT_DELETE:
+ edge = ls_find_edge_by_source(ted, attr);
+ if (edge) {
+ if (delete) {
+ ls_edge_del_all(ted, edge);
+ edge = NULL;
+ } else
+ edge->status = DELETE;
+ }
+ break;
+ default:
+ edge = NULL;
+ break;
+ }
+
+ return edge;
+}
+
+struct ls_subnet *ls_msg2subnet(struct ls_ted *ted, struct ls_message *msg,
+ bool delete)
+{
+ struct ls_prefix *pref = (struct ls_prefix *)msg->data.prefix;
+ struct ls_subnet *subnet = NULL;
+
+ switch (msg->event) {
+ case LS_MSG_EVENT_SYNC:
+ subnet = ls_subnet_add(ted, pref);
+ if (subnet)
+ subnet->status = SYNC;
+ break;
+ case LS_MSG_EVENT_ADD:
+ subnet = ls_subnet_add(ted, pref);
+ if (subnet)
+ subnet->status = NEW;
+ break;
+ case LS_MSG_EVENT_UPDATE:
+ subnet = ls_subnet_update(ted, pref);
+ if (subnet)
+ subnet->status = UPDATE;
+ break;
+ case LS_MSG_EVENT_DELETE:
+ subnet = ls_find_subnet(ted, pref->pref);
+ if (subnet) {
+ if (delete)
+ ls_subnet_del_all(ted, subnet);
+ else
+ subnet->status = DELETE;
+ }
+ break;
+ default:
+ subnet = NULL;
+ break;
+ }
+
+ return subnet;
+}
+
+struct ls_element *ls_msg2ted(struct ls_ted *ted, struct ls_message *msg,
+ bool delete)
+{
+ struct ls_element *lse = NULL;
+
+ switch (msg->type) {
+ case LS_MSG_TYPE_NODE:
+ lse = (struct ls_element *)ls_msg2vertex(ted, msg, delete);
+ break;
+ case LS_MSG_TYPE_ATTRIBUTES:
+ lse = (struct ls_element *)ls_msg2edge(ted, msg, delete);
+ break;
+ case LS_MSG_TYPE_PREFIX:
+ lse = (struct ls_element *)ls_msg2subnet(ted, msg, delete);
+ break;
+ default:
+ lse = NULL;
+ break;
+ }
+
+ return lse;
+}
+
+struct ls_element *ls_stream2ted(struct ls_ted *ted, struct stream *s,
+ bool delete)
+{
+ struct ls_message *msg;
+ struct ls_element *lse = NULL;
+
+ msg = ls_parse_msg(s);
+ if (msg) {
+ lse = ls_msg2ted(ted, msg, delete);
+ ls_delete_msg(msg);
+ }
+
+ return lse;
+}
+
+void ls_delete_msg(struct ls_message *msg)
+{
+ if (msg == NULL)
+ return;
+
+ if (msg->event == LS_MSG_EVENT_DELETE) {
+ switch (msg->type) {
+ case LS_MSG_TYPE_NODE:
+ ls_node_del(msg->data.node);
+ break;
+ case LS_MSG_TYPE_ATTRIBUTES:
+ ls_attributes_del(msg->data.attr);
+ break;
+ case LS_MSG_TYPE_PREFIX:
+ ls_prefix_del(msg->data.prefix);
+ break;
+ }
+ }
+
+ XFREE(MTYPE_LS_DB, msg);
+}
+
+int ls_sync_ted(struct ls_ted *ted, struct zclient *zclient,
+ struct zapi_opaque_reg_info *dst)
+{
+ struct ls_vertex *vertex;
+ struct ls_edge *edge;
+ struct ls_subnet *subnet;
+ struct ls_message msg;
+
+ /* Loop TED, start sending Node, then Attributes and finally Prefix */
+ frr_each(vertices, &ted->vertices, vertex) {
+ ls_vertex2msg(&msg, vertex);
+ ls_send_msg(zclient, &msg, dst);
+ }
+ frr_each(edges, &ted->edges, edge) {
+ ls_edge2msg(&msg, edge);
+ ls_send_msg(zclient, &msg, dst);
+ }
+ frr_each(subnets, &ted->subnets, subnet) {
+ ls_subnet2msg(&msg, subnet);
+ ls_send_msg(zclient, &msg, dst);
+ }
+ return 0;
+}
+
+/**
+ * Link State Show functions
+ */
+static const char *const origin2txt[] = {
+ "Unknown",
+ "ISIS_L1",
+ "ISIS_L2",
+ "OSPFv2",
+ "Direct",
+ "Static"
+};
+
+static const char *const type2txt[] = {
+ "Unknown",
+ "Standard",
+ "ABR",
+ "ASBR",
+ "Remote ASBR",
+ "Pseudo"
+};
+
+static const char *const status2txt[] = {
+ "Unknown",
+ "New",
+ "Update",
+ "Delete",
+ "Sync",
+ "Orphan"
+};
+
+static const char *ls_node_id_to_text(struct ls_node_id lnid, char *str,
+ size_t size)
+{
+ if (lnid.origin == ISIS_L1 || lnid.origin == ISIS_L2) {
+ uint8_t *id;
+
+ id = lnid.id.iso.sys_id;
+ snprintfrr(str, size, "%02x%02x.%02x%02x.%02x%02x", id[0],
+ id[1], id[2], id[3], id[4], id[5]);
+ } else
+ snprintfrr(str, size, "%pI4", &lnid.id.ip.addr);
+
+ return str;
+}
+
+static void ls_show_vertex_vty(struct ls_vertex *vertex, struct vty *vty,
+ bool verbose)
+{
+ struct listnode *node;
+ struct ls_node *lsn;
+ struct ls_edge *edge;
+ struct ls_attributes *attr;
+ struct ls_subnet *subnet;
+ struct sbuf sbuf;
+ uint32_t upper;
+
+ /* Sanity Check */
+ if (!vertex)
+ return;
+
+ lsn = vertex->node;
+
+ sbuf_init(&sbuf, NULL, 0);
+
+ sbuf_push(&sbuf, 2, "Vertex (%" PRIu64 "): %s", vertex->key, lsn->name);
+ sbuf_push(&sbuf, 0, "\tRouter Id: %pI4", &lsn->router_id);
+ sbuf_push(&sbuf, 0, "\tOrigin: %s", origin2txt[lsn->adv.origin]);
+ sbuf_push(&sbuf, 0, "\tStatus: %s\n", status2txt[vertex->status]);
+ if (!verbose) {
+ sbuf_push(
+ &sbuf, 0,
+ "\t%d Outgoing Edges, %d Incoming Edges, %d Subnets\n",
+ listcount(vertex->outgoing_edges),
+ listcount(vertex->incoming_edges),
+ listcount(vertex->prefixes));
+ goto end;
+ }
+
+ if (CHECK_FLAG(lsn->flags, LS_NODE_TYPE))
+ sbuf_push(&sbuf, 4, "Type: %s\n", type2txt[lsn->type]);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_AS_NUMBER))
+ sbuf_push(&sbuf, 4, "AS number: %u\n", lsn->as_number);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_SR)) {
+ sbuf_push(&sbuf, 4, "Segment Routing Capabilities:\n");
+ upper = lsn->srgb.lower_bound + lsn->srgb.range_size - 1;
+ sbuf_push(&sbuf, 8, "SRGB: [%d/%d]", lsn->srgb.lower_bound,
+ upper);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_SRLB)) {
+ upper = lsn->srlb.lower_bound + lsn->srlb.range_size
+ - 1;
+ sbuf_push(&sbuf, 0, "\tSRLB: [%d/%d]",
+ lsn->srlb.lower_bound, upper);
+ }
+ sbuf_push(&sbuf, 0, "\tAlgo: ");
+ for (int i = 0; i < 2; i++) {
+ if (lsn->algo[i] == 255)
+ continue;
+
+ sbuf_push(&sbuf, 0,
+ lsn->algo[i] == 0 ? "SPF " : "S-SPF ");
+ }
+ if (CHECK_FLAG(lsn->flags, LS_NODE_MSD))
+ sbuf_push(&sbuf, 0, "\tMSD: %d", lsn->msd);
+ sbuf_push(&sbuf, 0, "\n");
+ }
+
+ sbuf_push(&sbuf, 4, "Outgoing Edges: %d\n",
+ listcount(vertex->outgoing_edges));
+ for (ALL_LIST_ELEMENTS_RO(vertex->outgoing_edges, node, edge)) {
+ if (edge->destination) {
+ lsn = edge->destination->node;
+ sbuf_push(&sbuf, 6, "To:\t%s(%pI4)", lsn->name,
+ &lsn->router_id);
+ } else {
+ sbuf_push(&sbuf, 6, "To:\t- (0.0.0.0)");
+ }
+ attr = edge->attributes;
+ if ((CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR)))
+ sbuf_push(&sbuf, 0, "\tLocal: %pI4\tRemote: %pI4\n",
+ &attr->standard.local,
+ &attr->standard.remote);
+ else if ((CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6)))
+ sbuf_push(&sbuf, 0, "\tLocal: %pI6\tRemote: %pI6\n",
+ &attr->standard.local6,
+ &attr->standard.remote6);
+ }
+
+ sbuf_push(&sbuf, 4, "Incoming Edges: %d\n",
+ listcount(vertex->incoming_edges));
+ for (ALL_LIST_ELEMENTS_RO(vertex->incoming_edges, node, edge)) {
+ if (edge->source) {
+ lsn = edge->source->node;
+ sbuf_push(&sbuf, 6, "From:\t%s(%pI4)", lsn->name,
+ &lsn->router_id);
+ } else {
+ sbuf_push(&sbuf, 6, "From:\t- (0.0.0.0)");
+ }
+ attr = edge->attributes;
+ if ((CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR)))
+ sbuf_push(&sbuf, 0, "\tLocal: %pI4\tRemote: %pI4\n",
+ &attr->standard.local,
+ &attr->standard.remote);
+ else if ((CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6)))
+ sbuf_push(&sbuf, 0, "\tLocal: %pI6\tRemote: %pI6\n",
+ &attr->standard.local6,
+ &attr->standard.remote6);
+ }
+
+ sbuf_push(&sbuf, 4, "Subnets: %d\n", listcount(vertex->prefixes));
+ for (ALL_LIST_ELEMENTS_RO(vertex->prefixes, node, subnet))
+ sbuf_push(&sbuf, 6, "Prefix:\t%pFX\n", &subnet->key);
+
+end:
+ vty_out(vty, "%s\n", sbuf_buf(&sbuf));
+ sbuf_free(&sbuf);
+}
+
+static void ls_show_vertex_json(struct ls_vertex *vertex,
+ struct json_object *json)
+{
+ struct ls_node *lsn;
+ json_object *jsr, *jalgo, *jobj;
+ char buf[INET6_BUFSIZ];
+
+ /* Sanity Check */
+ if (!vertex)
+ return;
+
+ lsn = vertex->node;
+
+ json_object_int_add(json, "vertex-id", vertex->key);
+ json_object_string_add(json, "status", status2txt[vertex->status]);
+ json_object_string_add(json, "origin", origin2txt[lsn->adv.origin]);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_NAME))
+ json_object_string_add(json, "name", lsn->name);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_ROUTER_ID)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI4", &lsn->router_id);
+ json_object_string_add(json, "router-id", buf);
+ }
+ if (CHECK_FLAG(lsn->flags, LS_NODE_ROUTER_ID6)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI6", &lsn->router_id6);
+ json_object_string_add(json, "router-id-v6", buf);
+ }
+ if (CHECK_FLAG(lsn->flags, LS_NODE_TYPE))
+ json_object_string_add(json, "vertex-type",
+ type2txt[lsn->type]);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_AS_NUMBER))
+ json_object_int_add(json, "asn", lsn->as_number);
+ if (CHECK_FLAG(lsn->flags, LS_NODE_SR)) {
+ jsr = json_object_new_object();
+ json_object_object_add(json, "segment-routing", jsr);
+ json_object_int_add(jsr, "srgb-size", lsn->srgb.range_size);
+ json_object_int_add(jsr, "srgb-lower", lsn->srgb.lower_bound);
+ jalgo = json_object_new_array();
+ json_object_object_add(jsr, "algorithms", jalgo);
+ for (int i = 0; i < 2; i++) {
+ if (lsn->algo[i] == 255)
+ continue;
+ jobj = json_object_new_object();
+
+ snprintfrr(buf, 2, "%u", i);
+ json_object_string_add(
+ jobj, buf, lsn->algo[i] == 0 ? "SPF" : "S-SPF");
+ json_object_array_add(jalgo, jobj);
+ }
+ if (CHECK_FLAG(lsn->flags, LS_NODE_SRLB)) {
+ json_object_int_add(jsr, "srlb-size",
+ lsn->srlb.range_size);
+ json_object_int_add(jsr, "srlb-lower",
+ lsn->srlb.lower_bound);
+ }
+ if (CHECK_FLAG(lsn->flags, LS_NODE_MSD))
+ json_object_int_add(jsr, "msd", lsn->msd);
+ }
+}
+
+void ls_show_vertex(struct ls_vertex *vertex, struct vty *vty,
+ struct json_object *json, bool verbose)
+{
+ if (json)
+ ls_show_vertex_json(vertex, json);
+ else if (vty)
+ ls_show_vertex_vty(vertex, vty, verbose);
+}
+
+void ls_show_vertices(struct ls_ted *ted, struct vty *vty,
+ struct json_object *json, bool verbose)
+{
+ struct ls_vertex *vertex;
+ json_object *jnodes, *jnode;
+
+ if (json) {
+ jnodes = json_object_new_array();
+ json_object_object_add(json, "vertices", jnodes);
+ frr_each (vertices, &ted->vertices, vertex) {
+ jnode = json_object_new_object();
+ ls_show_vertex(vertex, NULL, jnode, verbose);
+ json_object_array_add(jnodes, jnode);
+ }
+ } else if (vty) {
+ frr_each (vertices, &ted->vertices, vertex)
+ ls_show_vertex(vertex, vty, NULL, verbose);
+ }
+}
+
+static void ls_show_edge_vty(struct ls_edge *edge, struct vty *vty,
+ bool verbose)
+{
+ struct ls_attributes *attr;
+ struct sbuf sbuf;
+ char buf[INET6_BUFSIZ];
+
+ attr = edge->attributes;
+ sbuf_init(&sbuf, NULL, 0);
+
+ sbuf_push(&sbuf, 2, "Edge (%" PRIu64 "): ", edge->key);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR))
+ sbuf_push(&sbuf, 0, "%pI4", &attr->standard.local);
+ else if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6))
+ sbuf_push(&sbuf, 0, "%pI6", &attr->standard.local6);
+ else
+ sbuf_push(&sbuf, 0, "%u/%u", attr->standard.local_id,
+ attr->standard.remote_id);
+ ls_node_id_to_text(attr->adv, buf, INET6_BUFSIZ);
+ sbuf_push(&sbuf, 0, "\tAdv. Vertex: %s", buf);
+ sbuf_push(&sbuf, 0, "\tMetric: %u", attr->metric);
+ sbuf_push(&sbuf, 0, "\tStatus: %s\n", status2txt[edge->status]);
+
+ if (!verbose)
+ goto end;
+
+ sbuf_push(&sbuf, 4, "Origin: %s\n", origin2txt[attr->adv.origin]);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NAME))
+ sbuf_push(&sbuf, 4, "Name: %s\n", attr->name);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_TE_METRIC))
+ sbuf_push(&sbuf, 4, "TE Metric: %u\n",
+ attr->standard.te_metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADM_GRP))
+ sbuf_push(&sbuf, 4, "Admin Group: 0x%x\n",
+ attr->standard.admin_group);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR))
+ sbuf_push(&sbuf, 4, "Local IPv4 address: %pI4\n",
+ &attr->standard.local);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR))
+ sbuf_push(&sbuf, 4, "Remote IPv4 address: %pI4\n",
+ &attr->standard.remote);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6))
+ sbuf_push(&sbuf, 4, "Local IPv6 address: %pI6\n",
+ &attr->standard.local6);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR6))
+ sbuf_push(&sbuf, 4, "Remote IPv6 address: %pI6\n",
+ &attr->standard.remote6);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ID))
+ sbuf_push(&sbuf, 4, "Local Identifier: %u\n",
+ attr->standard.local_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ID))
+ sbuf_push(&sbuf, 4, "Remote Identifier: %u\n",
+ attr->standard.remote_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_BW))
+ sbuf_push(&sbuf, 4, "Maximum Bandwidth: %g (Bytes/s)\n",
+ attr->standard.max_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_RSV_BW))
+ sbuf_push(&sbuf, 4,
+ "Maximum Reservable Bandwidth: %g (Bytes/s)\n",
+ attr->standard.max_rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_UNRSV_BW)) {
+ sbuf_push(&sbuf, 4, "Unreserved Bandwidth per Class Type\n");
+ for (int i = 0; i < MAX_CLASS_TYPE; i += 2)
+ sbuf_push(&sbuf, 8,
+ "[%d]: %g (Bytes/sec)\t[%d]: %g (Bytes/s)\n",
+ i, attr->standard.unrsv_bw[i], i + 1,
+ attr->standard.unrsv_bw[i + 1]);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_AS))
+ sbuf_push(&sbuf, 4, "Remote AS: %u\n",
+ attr->standard.remote_as);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR))
+ sbuf_push(&sbuf, 4, "Remote ASBR IPv4 address: %pI4\n",
+ &attr->standard.remote_addr);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR6))
+ sbuf_push(&sbuf, 4, "Remote ASBR IPv6 address: %pI6\n",
+ &attr->standard.remote_addr6);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_DELAY))
+ sbuf_push(&sbuf, 4, "Average Link Delay: %d (micro-sec)\n",
+ attr->extended.delay);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MIN_MAX_DELAY))
+ sbuf_push(&sbuf, 4, "Min/Max Link Delay: %d/%d (micro-sec)\n",
+ attr->extended.min_delay, attr->extended.max_delay);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_JITTER))
+ sbuf_push(&sbuf, 4, "Delay Variation: %d (micro-sec)\n",
+ attr->extended.jitter);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_PACKET_LOSS))
+ sbuf_push(&sbuf, 4, "Link Loss: %g (%%)\n",
+ (float)(attr->extended.pkt_loss * LOSS_PRECISION));
+ if (CHECK_FLAG(attr->flags, LS_ATTR_AVA_BW))
+ sbuf_push(&sbuf, 4, "Available Bandwidth: %g (Bytes/s)\n",
+ attr->extended.ava_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_RSV_BW))
+ sbuf_push(&sbuf, 4, "Residual Bandwidth: %g (Bytes/s)\n",
+ attr->extended.rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_USE_BW))
+ sbuf_push(&sbuf, 4, "Utilized Bandwidth: %g (Bytes/s)\n",
+ attr->extended.used_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID)) {
+ sbuf_push(&sbuf, 4, "IPv4 Adjacency-SID: %u",
+ attr->adj_sid[ADJ_PRI_IPV4].sid);
+ sbuf_push(&sbuf, 0, "\tFlags: 0x%x\tWeight: 0x%x\n",
+ attr->adj_sid[ADJ_PRI_IPV4].flags,
+ attr->adj_sid[ADJ_PRI_IPV4].weight);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID)) {
+ sbuf_push(&sbuf, 4, "IPv4 Bck. Adjacency-SID: %u",
+ attr->adj_sid[ADJ_BCK_IPV4].sid);
+ sbuf_push(&sbuf, 0, "\tFlags: 0x%x\tWeight: 0x%x\n",
+ attr->adj_sid[ADJ_BCK_IPV4].flags,
+ attr->adj_sid[ADJ_BCK_IPV4].weight);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID6)) {
+ sbuf_push(&sbuf, 4, "IPv6 Adjacency-SID: %u",
+ attr->adj_sid[ADJ_PRI_IPV6].sid);
+ sbuf_push(&sbuf, 0, "\tFlags: 0x%x\tWeight: 0x%x\n",
+ attr->adj_sid[ADJ_PRI_IPV6].flags,
+ attr->adj_sid[ADJ_PRI_IPV6].weight);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID6)) {
+ sbuf_push(&sbuf, 4, "IPv6 Bck. Adjacency-SID: %u",
+ attr->adj_sid[ADJ_BCK_IPV6].sid);
+ sbuf_push(&sbuf, 0, "\tFlags: 0x%x\tWeight: 0x%x\n",
+ attr->adj_sid[ADJ_BCK_IPV6].flags,
+ attr->adj_sid[ADJ_BCK_IPV6].weight);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_SRLG)) {
+ sbuf_push(&sbuf, 4, "SRLGs: %d", attr->srlg_len);
+ for (int i = 1; i < attr->srlg_len; i++) {
+ if (i % 8)
+ sbuf_push(&sbuf, 8, "\n%u", attr->srlgs[i]);
+ else
+ sbuf_push(&sbuf, 8, ", %u", attr->srlgs[i]);
+ }
+ sbuf_push(&sbuf, 0, "\n");
+ }
+
+end:
+ vty_out(vty, "%s\n", sbuf_buf(&sbuf));
+ sbuf_free(&sbuf);
+}
+
+static void ls_show_edge_json(struct ls_edge *edge, struct json_object *json)
+{
+ struct ls_attributes *attr;
+ struct json_object *jte, *jbw, *jobj, *jsr = NULL, *jsrlg;
+ char buf[INET6_BUFSIZ];
+
+ attr = edge->attributes;
+
+ json_object_int_add(json, "edge-id", edge->key);
+ json_object_string_add(json, "status", status2txt[edge->status]);
+ json_object_string_add(json, "origin", origin2txt[attr->adv.origin]);
+ ls_node_id_to_text(attr->adv, buf, INET6_BUFSIZ);
+ json_object_string_add(json, "advertised-router", buf);
+ if (edge->source)
+ json_object_int_add(json, "local-vertex-id", edge->source->key);
+ if (edge->destination)
+ json_object_int_add(json, "remote-vertex-id",
+ edge->destination->key);
+ json_object_int_add(json, "metric", attr->metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NAME))
+ json_object_string_add(json, "name", attr->name);
+ jte = json_object_new_object();
+ json_object_object_add(json, "edge-attributes", jte);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_TE_METRIC))
+ json_object_int_add(jte, "te-metric", attr->standard.te_metric);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADM_GRP))
+ json_object_int_add(jte, "admin-group",
+ attr->standard.admin_group);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI4", &attr->standard.local);
+ json_object_string_add(jte, "local-address", buf);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI4", &attr->standard.remote);
+ json_object_string_add(jte, "remote-address", buf);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ADDR6)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI6", &attr->standard.local6);
+ json_object_string_add(jte, "local-address-v6", buf);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ADDR6)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI6", &attr->standard.remote6);
+ json_object_string_add(jte, "remote-address-v6", buf);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_LOCAL_ID))
+ json_object_int_add(jte, "local-identifier",
+ attr->standard.local_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_NEIGH_ID))
+ json_object_int_add(jte, "remote-identifier",
+ attr->standard.remote_id);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_BW))
+ json_object_double_add(jte, "max-link-bandwidth",
+ attr->standard.max_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MAX_RSV_BW))
+ json_object_double_add(jte, "max-resv-link-bandwidth",
+ attr->standard.max_rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_UNRSV_BW)) {
+ jbw = json_object_new_array();
+ json_object_object_add(jte, "unreserved-bandwidth", jbw);
+ for (int i = 0; i < MAX_CLASS_TYPE; i++) {
+ jobj = json_object_new_object();
+ snprintfrr(buf, 13, "class-type-%u", i);
+ json_object_double_add(jobj, buf,
+ attr->standard.unrsv_bw[i]);
+ json_object_array_add(jbw, jobj);
+ }
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_AS))
+ json_object_int_add(jte, "remote-asn",
+ attr->standard.remote_as);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI4",
+ &attr->standard.remote_addr);
+ json_object_string_add(jte, "remote-as-address", buf);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_REMOTE_ADDR6)) {
+ snprintfrr(buf, INET6_BUFSIZ, "%pI6",
+ &attr->standard.remote_addr6);
+ json_object_string_add(jte, "remote-as-address-v6", buf);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_DELAY))
+ json_object_int_add(jte, "delay", attr->extended.delay);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_MIN_MAX_DELAY)) {
+ json_object_int_add(jte, "min-delay", attr->extended.min_delay);
+ json_object_int_add(jte, "max-delay", attr->extended.max_delay);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_JITTER))
+ json_object_int_add(jte, "jitter", attr->extended.jitter);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_PACKET_LOSS))
+ json_object_double_add(
+ jte, "loss", attr->extended.pkt_loss * LOSS_PRECISION);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_AVA_BW))
+ json_object_double_add(jte, "available-bandwidth",
+ attr->extended.ava_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_RSV_BW))
+ json_object_double_add(jte, "residual-bandwidth",
+ attr->extended.rsv_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_USE_BW))
+ json_object_double_add(jte, "utilized-bandwidth",
+ attr->extended.used_bw);
+ if (CHECK_FLAG(attr->flags, LS_ATTR_SRLG)) {
+ jsrlg = json_object_new_array();
+ json_object_object_add(jte, "srlgs", jsrlg);
+ for (int i = 1; i < attr->srlg_len; i++) {
+ jobj = json_object_new_object();
+ json_object_int_add(jobj, "srlg", attr->srlgs[i]);
+ json_object_array_add(jsrlg, jobj);
+ }
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID)) {
+ jsr = json_object_new_array();
+ json_object_object_add(json, "segment-routing", jsr);
+ jobj = json_object_new_object();
+ json_object_int_add(jobj, "adj-sid",
+ attr->adj_sid[ADJ_PRI_IPV4].sid);
+ snprintfrr(buf, 6, "0x%x", attr->adj_sid[ADJ_PRI_IPV4].flags);
+ json_object_string_add(jobj, "flags", buf);
+ json_object_int_add(jobj, "weight",
+ attr->adj_sid[ADJ_PRI_IPV4].weight);
+ json_object_array_add(jsr, jobj);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID)) {
+ if (!jsr) {
+ jsr = json_object_new_array();
+ json_object_object_add(json, "segment-routing", jsr);
+ }
+ jobj = json_object_new_object();
+ json_object_int_add(jobj, "adj-sid",
+ attr->adj_sid[ADJ_BCK_IPV4].sid);
+ snprintfrr(buf, 6, "0x%x", attr->adj_sid[ADJ_BCK_IPV4].flags);
+ json_object_string_add(jobj, "flags", buf);
+ json_object_int_add(jobj, "weight",
+ attr->adj_sid[ADJ_BCK_IPV4].weight);
+ json_object_array_add(jsr, jobj);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID6)) {
+ jsr = json_object_new_array();
+ json_object_object_add(json, "segment-routing", jsr);
+ jobj = json_object_new_object();
+ json_object_int_add(jobj, "adj-sid",
+ attr->adj_sid[ADJ_PRI_IPV6].sid);
+ snprintfrr(buf, 6, "0x%x", attr->adj_sid[ADJ_PRI_IPV6].flags);
+ json_object_string_add(jobj, "flags", buf);
+ json_object_int_add(jobj, "weight",
+ attr->adj_sid[ADJ_PRI_IPV6].weight);
+ json_object_array_add(jsr, jobj);
+ }
+ if (CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID6)) {
+ if (!jsr) {
+ jsr = json_object_new_array();
+ json_object_object_add(json, "segment-routing", jsr);
+ }
+ jobj = json_object_new_object();
+ json_object_int_add(jobj, "adj-sid",
+ attr->adj_sid[ADJ_BCK_IPV6].sid);
+ snprintfrr(buf, 6, "0x%x", attr->adj_sid[ADJ_BCK_IPV6].flags);
+ json_object_string_add(jobj, "flags", buf);
+ json_object_int_add(jobj, "weight",
+ attr->adj_sid[ADJ_BCK_IPV6].weight);
+ json_object_array_add(jsr, jobj);
+ }
+}
+
+void ls_show_edge(struct ls_edge *edge, struct vty *vty,
+ struct json_object *json, bool verbose)
+{
+ /* Sanity Check */
+ if (!edge)
+ return;
+
+ if (json)
+ ls_show_edge_json(edge, json);
+ else if (vty)
+ ls_show_edge_vty(edge, vty, verbose);
+}
+
+void ls_show_edges(struct ls_ted *ted, struct vty *vty,
+ struct json_object *json, bool verbose)
+{
+ struct ls_edge *edge;
+ json_object *jedges, *jedge;
+
+ if (json) {
+ jedges = json_object_new_array();
+ json_object_object_add(json, "edges", jedges);
+ frr_each (edges, &ted->edges, edge) {
+ jedge = json_object_new_object();
+ ls_show_edge(edge, NULL, jedge, verbose);
+ json_object_array_add(jedges, jedge);
+ }
+ } else if (vty) {
+ frr_each (edges, &ted->edges, edge)
+ ls_show_edge(edge, vty, NULL, verbose);
+ }
+}
+
+static void ls_show_subnet_vty(struct ls_subnet *subnet, struct vty *vty,
+ bool verbose)
+{
+ struct ls_prefix *pref;
+ struct sbuf sbuf;
+ char buf[INET6_BUFSIZ];
+
+ pref = subnet->ls_pref;
+ sbuf_init(&sbuf, NULL, 0);
+
+ sbuf_push(&sbuf, 2, "Subnet: %pFX", &subnet->key);
+ ls_node_id_to_text(pref->adv, buf, INET6_BUFSIZ);
+ sbuf_push(&sbuf, 0, "\tAdv. Vertex: %s", buf);
+ sbuf_push(&sbuf, 0, "\tMetric: %d", pref->metric);
+ sbuf_push(&sbuf, 0, "\tStatus: %s\n", status2txt[subnet->status]);
+
+ if (!verbose)
+ goto end;
+
+ sbuf_push(&sbuf, 4, "Origin: %s\n", origin2txt[pref->adv.origin]);
+ if (CHECK_FLAG(pref->flags, LS_PREF_IGP_FLAG))
+ sbuf_push(&sbuf, 4, "Flags: %d\n", pref->igp_flag);
+
+ if (CHECK_FLAG(pref->flags, LS_PREF_ROUTE_TAG))
+ sbuf_push(&sbuf, 4, "Tag: %d\n", pref->route_tag);
+
+ if (CHECK_FLAG(pref->flags, LS_PREF_EXTENDED_TAG))
+ sbuf_push(&sbuf, 4, "Extended Tag: %" PRIu64 "\n",
+ pref->extended_tag);
+
+ if (CHECK_FLAG(pref->flags, LS_PREF_SR))
+ sbuf_push(&sbuf, 4, "SID: %d\tAlgorithm: %d\tFlags: 0x%x\n",
+ pref->sr.sid, pref->sr.algo, pref->sr.sid_flag);
+
+end:
+ vty_out(vty, "%s\n", sbuf_buf(&sbuf));
+ sbuf_free(&sbuf);
+}
+
+static void ls_show_subnet_json(struct ls_subnet *subnet,
+ struct json_object *json)
+{
+ struct ls_prefix *pref;
+ json_object *jsr;
+ char buf[INET6_BUFSIZ];
+
+ pref = subnet->ls_pref;
+
+ snprintfrr(buf, INET6_BUFSIZ, "%pFX", &subnet->key);
+ json_object_string_add(json, "subnet-id", buf);
+ json_object_string_add(json, "status", status2txt[subnet->status]);
+ json_object_string_add(json, "origin", origin2txt[pref->adv.origin]);
+ ls_node_id_to_text(pref->adv, buf, INET6_BUFSIZ);
+ json_object_string_add(json, "advertised-router", buf);
+ if (subnet->vertex)
+ json_object_int_add(json, "vertex-id", subnet->vertex->key);
+ json_object_int_add(json, "metric", pref->metric);
+ if (CHECK_FLAG(pref->flags, LS_PREF_IGP_FLAG)) {
+ snprintfrr(buf, INET6_BUFSIZ, "0x%x", pref->igp_flag);
+ json_object_string_add(json, "flags", buf);
+ }
+ if (CHECK_FLAG(pref->flags, LS_PREF_ROUTE_TAG))
+ json_object_int_add(json, "tag", pref->route_tag);
+ if (CHECK_FLAG(pref->flags, LS_PREF_EXTENDED_TAG))
+ json_object_int_add(json, "extended-tag", pref->extended_tag);
+ if (CHECK_FLAG(pref->flags, LS_PREF_SR)) {
+ jsr = json_object_new_object();
+ json_object_object_add(json, "segment-routing", jsr);
+ json_object_int_add(jsr, "pref-sid", pref->sr.sid);
+ json_object_int_add(jsr, "algo", pref->sr.algo);
+ snprintfrr(buf, INET6_BUFSIZ, "0x%x", pref->sr.sid_flag);
+ json_object_string_add(jsr, "flags", buf);
+ }
+}
+
+void ls_show_subnet(struct ls_subnet *subnet, struct vty *vty,
+ struct json_object *json, bool verbose)
+{
+ /* Sanity Check */
+ if (!subnet)
+ return;
+
+ if (json)
+ ls_show_subnet_json(subnet, json);
+ else if (vty)
+ ls_show_subnet_vty(subnet, vty, verbose);
+}
+
+void ls_show_subnets(struct ls_ted *ted, struct vty *vty,
+ struct json_object *json, bool verbose)
+{
+ struct ls_subnet *subnet;
+ json_object *jsubs, *jsub;
+
+ if (json) {
+ jsubs = json_object_new_array();
+ json_object_object_add(json, "subnets", jsubs);
+ frr_each (subnets, &ted->subnets, subnet) {
+ jsub = json_object_new_object();
+ ls_show_subnet(subnet, NULL, jsub, verbose);
+ json_object_array_add(jsubs, jsub);
+ }
+ } else if (vty) {
+ frr_each (subnets, &ted->subnets, subnet)
+ ls_show_subnet(subnet, vty, NULL, verbose);
+ }
+}
+
+void ls_show_ted(struct ls_ted *ted, struct vty *vty, struct json_object *json,
+ bool verbose)
+{
+ json_object *jted;
+
+ if (json) {
+ jted = json_object_new_object();
+ json_object_object_add(json, "ted", jted);
+ json_object_string_add(jted, "name", ted->name);
+ json_object_int_add(jted, "key", ted->key);
+ json_object_int_add(jted, "verticesCount",
+ vertices_count(&ted->vertices));
+ json_object_int_add(jted, "edgesCount",
+ edges_count(&ted->edges));
+ json_object_int_add(jted, "subnetsCount",
+ subnets_count(&ted->subnets));
+ ls_show_vertices(ted, NULL, jted, verbose);
+ ls_show_edges(ted, NULL, jted, verbose);
+ ls_show_subnets(ted, NULL, jted, verbose);
+ return;
+ }
+
+ if (vty) {
+ vty_out(vty,
+ "\n\tTraffic Engineering Database: %s (key: %d)\n\n",
+ ted->name, ted->key);
+ ls_show_vertices(ted, vty, NULL, verbose);
+ ls_show_edges(ted, vty, NULL, verbose);
+ ls_show_subnets(ted, vty, NULL, verbose);
+ vty_out(vty,
+ "\n\tTotal: %zu Vertices, %zu Edges, %zu Subnets\n\n",
+ vertices_count(&ted->vertices),
+ edges_count(&ted->edges), subnets_count(&ted->subnets));
+ }
+}
+
+void ls_dump_ted(struct ls_ted *ted)
+{
+ struct ls_vertex *vertex;
+ struct ls_edge *edge;
+ struct ls_subnet *subnet;
+ const struct in_addr inaddr_any = {.s_addr = INADDR_ANY};
+
+ zlog_debug("(%s) Ted init", __func__);
+
+ /* Loop TED, start printing Node, then Attributes and finally Prefix */
+ frr_each (vertices, &ted->vertices, vertex) {
+ zlog_debug(" Ted node (%s %pI4 %s)",
+ vertex->node->name[0] ? vertex->node->name
+ : "no name node",
+ &vertex->node->router_id,
+ origin2txt[vertex->node->adv.origin]);
+ struct listnode *lst_node;
+ struct ls_edge *vertex_edge;
+
+ for (ALL_LIST_ELEMENTS_RO(vertex->incoming_edges, lst_node,
+ vertex_edge)) {
+ zlog_debug(
+ " inc edge key:%" PRIu64 " attr key:%pI4 loc:(%pI4) rmt:(%pI4)",
+ vertex_edge->key,
+ &vertex_edge->attributes->adv.id.ip.addr,
+ &vertex_edge->attributes->standard.local,
+ &vertex_edge->attributes->standard.remote);
+ }
+ for (ALL_LIST_ELEMENTS_RO(vertex->outgoing_edges, lst_node,
+ vertex_edge)) {
+ zlog_debug(
+ " out edge key:%" PRIu64 " attr key:%pI4 loc:(%pI4) rmt:(%pI4)",
+ vertex_edge->key,
+ &vertex_edge->attributes->adv.id.ip.addr,
+ &vertex_edge->attributes->standard.local,
+ &vertex_edge->attributes->standard.remote);
+ }
+ }
+ frr_each (edges, &ted->edges, edge) {
+ zlog_debug(" Ted edge key:%" PRIu64 "src:%pI4 dst:%pI4", edge->key,
+ edge->source ? &edge->source->node->router_id
+ : &inaddr_any,
+ edge->destination
+ ? &edge->destination->node->router_id
+ : &inaddr_any);
+ }
+ frr_each (subnets, &ted->subnets, subnet) {
+ zlog_debug(" Ted subnet key:%pFX vertex:%pI4",
+ &subnet->ls_pref->pref,
+ &subnet->vertex->node->adv.id.ip.addr);
+ }
+ zlog_debug("(%s) Ted end", __func__);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-31 11:04:50 +0000