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Diffstat (limited to '')
| -rw-r--r-- | bfdd/bfdd_nb_state.c | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/bfdd/bfdd_nb_state.c b/bfdd/bfdd_nb_state.c new file mode 100644 index 0000000..de0dceb --- /dev/null +++ b/bfdd/bfdd_nb_state.c @@ -0,0 +1,374 @@ +/* + * BFD daemon northbound implementation. + * + * Copyright (C) 2019 Network Device Education Foundation, Inc. ("NetDEF") + * Rafael Zalamena + * + * 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; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA. + */ + +#include <zebra.h> + +#include "lib/log.h" +#include "lib/northbound.h" + +#include "bfd.h" +#include "bfdd_nb.h" + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop + */ +const void * +bfdd_bfd_sessions_single_hop_get_next(struct nb_cb_get_next_args *args) +{ + return bfd_session_next(args->list_entry, false); +} + +int bfdd_bfd_sessions_single_hop_get_keys(struct nb_cb_get_keys_args *args) +{ + const struct bfd_session *bs = args->list_entry; + char dstbuf[INET6_ADDRSTRLEN]; + + inet_ntop(bs->key.family, &bs->key.peer, dstbuf, sizeof(dstbuf)); + + args->keys->num = 3; + strlcpy(args->keys->key[0], dstbuf, sizeof(args->keys->key[0])); + strlcpy(args->keys->key[1], bs->key.ifname, sizeof(args->keys->key[1])); + strlcpy(args->keys->key[2], bs->key.vrfname, + sizeof(args->keys->key[2])); + + return NB_OK; +} + +const void * +bfdd_bfd_sessions_single_hop_lookup_entry(struct nb_cb_lookup_entry_args *args) +{ + const char *dest_addr = args->keys->key[0]; + const char *ifname = args->keys->key[1]; + const char *vrf = args->keys->key[2]; + struct sockaddr_any psa, lsa; + struct bfd_key bk; + + strtosa(dest_addr, &psa); + memset(&lsa, 0, sizeof(lsa)); + gen_bfd_key(&bk, &psa, &lsa, false, ifname, vrf); + + return bfd_key_lookup(bk); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-discriminator + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_local_discriminator_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint32(args->xpath, bs->discrs.my_discr); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-state + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_state_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_enum(args->xpath, bs->ses_state); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-diagnostic + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_diagnostic_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_enum(args->xpath, bs->local_diag); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-multiplier + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_multiplier_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_int8(args->xpath, bs->detect_mult); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-discriminator + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_remote_discriminator_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + if (bs->discrs.remote_discr == 0) + return NULL; + + return yang_data_new_uint32(args->xpath, bs->discrs.remote_discr); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-state + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_state_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_enum(args->xpath, bs->ses_state); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-diagnostic + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_diagnostic_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_enum(args->xpath, bs->remote_diag); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-multiplier + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_multiplier_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_int8(args->xpath, bs->remote_detect_mult); +} + +/* + * XPath: + * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-transmission-interval + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_negotiated_transmission_interval_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint32(args->xpath, + bs->remote_timers.desired_min_tx); +} + +/* + * XPath: + * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-receive-interval + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_negotiated_receive_interval_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint32(args->xpath, + bs->remote_timers.required_min_rx); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/detection-mode + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_detection_mode_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + int detection_mode; + + /* + * Detection mode: + * 1. Async with echo + * 2. Async without echo + * 3. Demand with echo + * 4. Demand without echo + * + * TODO: support demand mode. + */ + if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) + detection_mode = 1; + else + detection_mode = 2; + + return yang_data_new_enum(args->xpath, detection_mode); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/last-down-time + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_last_down_time_get_elem( + struct nb_cb_get_elem_args *args) +{ + /* + * TODO: implement me. + * + * No yang support for time elements yet. + */ + return NULL; +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/last-up-time + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_last_up_time_get_elem( + struct nb_cb_get_elem_args *args) +{ + /* + * TODO: implement me. + * + * No yang support for time elements yet. + */ + return NULL; +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/session-down-count + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_session_down_count_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint64(args->xpath, bs->stats.session_down); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/session-up-count + */ +struct yang_data *bfdd_bfd_sessions_single_hop_stats_session_up_count_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint64(args->xpath, bs->stats.session_up); +} + +/* + * XPath: + * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/control-packet-input-count + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_control_packet_input_count_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint64(args->xpath, bs->stats.rx_ctrl_pkt); +} + +/* + * XPath: + * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/control-packet-output-count + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_control_packet_output_count_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint64(args->xpath, bs->stats.tx_ctrl_pkt); +} + +/* + * XPath: + * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-echo-transmission-interval + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_negotiated_echo_transmission_interval_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint32(args->xpath, + bs->remote_timers.required_min_echo); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/echo-packet-input-count + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_echo_packet_input_count_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint64(args->xpath, bs->stats.rx_echo_pkt); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/echo-packet-output-count + */ +struct yang_data * +bfdd_bfd_sessions_single_hop_stats_echo_packet_output_count_get_elem( + struct nb_cb_get_elem_args *args) +{ + const struct bfd_session *bs = args->list_entry; + + return yang_data_new_uint64(args->xpath, bs->stats.tx_echo_pkt); +} + +/* + * XPath: /frr-bfdd:bfdd/bfd/sessions/multi-hop + */ +const void * +bfdd_bfd_sessions_multi_hop_get_next(struct nb_cb_get_next_args *args) +{ + return bfd_session_next(args->list_entry, true); +} + +int bfdd_bfd_sessions_multi_hop_get_keys(struct nb_cb_get_keys_args *args) +{ + const struct bfd_session *bs = args->list_entry; + char dstbuf[INET6_ADDRSTRLEN], srcbuf[INET6_ADDRSTRLEN]; + + inet_ntop(bs->key.family, &bs->key.peer, dstbuf, sizeof(dstbuf)); + inet_ntop(bs->key.family, &bs->key.local, srcbuf, sizeof(srcbuf)); + + args->keys->num = 4; + strlcpy(args->keys->key[0], srcbuf, sizeof(args->keys->key[0])); + strlcpy(args->keys->key[1], dstbuf, sizeof(args->keys->key[1])); + strlcpy(args->keys->key[2], bs->key.vrfname, + sizeof(args->keys->key[2])); + + return NB_OK; +} + +const void * +bfdd_bfd_sessions_multi_hop_lookup_entry(struct nb_cb_lookup_entry_args *args) +{ + const char *source_addr = args->keys->key[0]; + const char *dest_addr = args->keys->key[1]; + const char *vrf = args->keys->key[2]; + struct sockaddr_any psa, lsa; + struct bfd_key bk; + + strtosa(dest_addr, &psa); + strtosa(source_addr, &lsa); + gen_bfd_key(&bk, &psa, &lsa, true, NULL, vrf); + + return bfd_key_lookup(bk); +} |