114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* IS-IS Routing protocol - isis_pdu_counter.c
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* Copyright (C) 2018 Christian Franke, for NetDEF Inc.
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*/
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#include <zebra.h>
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#include "vty.h"
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#include "isisd/isisd.h"
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#include "isisd/isis_circuit.h"
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#include "isisd/isis_pdu.h"
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#include "isisd/isis_pdu_counter.h"
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static int pdu_type_to_counter_index(uint8_t pdu_type)
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{
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switch (pdu_type) {
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case L1_LAN_HELLO:
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return L1_LAN_HELLO_INDEX;
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case L2_LAN_HELLO:
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return L2_LAN_HELLO_INDEX;
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case P2P_HELLO:
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return P2P_HELLO_INDEX;
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case L1_LINK_STATE:
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return L1_LINK_STATE_INDEX;
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case L2_LINK_STATE:
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return L2_LINK_STATE_INDEX;
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case FS_LINK_STATE:
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return FS_LINK_STATE_INDEX;
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case L1_COMPLETE_SEQ_NUM:
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return L1_COMPLETE_SEQ_NUM_INDEX;
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case L2_COMPLETE_SEQ_NUM:
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return L2_COMPLETE_SEQ_NUM_INDEX;
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case L1_PARTIAL_SEQ_NUM:
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return L1_PARTIAL_SEQ_NUM_INDEX;
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case L2_PARTIAL_SEQ_NUM:
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return L2_PARTIAL_SEQ_NUM_INDEX;
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default:
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return -1;
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}
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}
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static const char *pdu_counter_index_to_name(enum pdu_counter_index index)
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{
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switch (index) {
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case L1_LAN_HELLO_INDEX:
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return " L1 IIH";
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case L2_LAN_HELLO_INDEX:
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return " L2 IIH";
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case P2P_HELLO_INDEX:
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return "P2P IIH";
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case L1_LINK_STATE_INDEX:
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return " L1 LSP";
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case L2_LINK_STATE_INDEX:
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return " L2 LSP";
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case FS_LINK_STATE_INDEX:
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return " FS LSP";
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case L1_COMPLETE_SEQ_NUM_INDEX:
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return "L1 CSNP";
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case L2_COMPLETE_SEQ_NUM_INDEX:
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return "L2 CSNP";
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case L1_PARTIAL_SEQ_NUM_INDEX:
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return "L1 PSNP";
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case L2_PARTIAL_SEQ_NUM_INDEX:
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return "L2 PSNP";
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case PDU_COUNTER_SIZE:
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return "???????";
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}
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assert(!"Reached end of function where we were not expecting to");
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}
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void pdu_counter_count(pdu_counter_t counter, uint8_t pdu_type)
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{
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int index = pdu_type_to_counter_index(pdu_type);
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if (index < 0)
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return;
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counter[index]++;
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}
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void pdu_counter_print(struct vty *vty, const char *prefix,
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pdu_counter_t counter)
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{
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for (int i = 0; i < PDU_COUNTER_SIZE; i++) {
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if (!counter[i])
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continue;
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vty_out(vty, "%s%s: %" PRIu64 "\n", prefix,
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pdu_counter_index_to_name(i), counter[i]);
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}
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}
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void pdu_counter_count_drop(struct isis_area *area, uint8_t pdu_type)
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{
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pdu_counter_count(area->pdu_drop_counters, pdu_type);
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if (area->log_pdu_drops) {
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isis_log_pdu_drops(
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area, pdu_counter_index_to_name(
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pdu_type_to_counter_index(pdu_type)));
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}
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}
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uint64_t pdu_counter_get_count(pdu_counter_t counter, uint8_t pdu_type)
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{
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int index = pdu_type_to_counter_index(pdu_type);
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if (index < 0)
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return -1;
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return counter[index];
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}
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