mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-23 13:16:36 +00:00
416 lines
13 KiB
Go
416 lines
13 KiB
Go
// Copyright 2024 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build windows
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package dhcp
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import (
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"fmt"
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"log/slog"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/internal/pdh"
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"github.com/prometheus-community/windows_exporter/internal/types"
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"github.com/prometheus/client_golang/prometheus"
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)
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const Name = "dhcp"
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type Config struct{}
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//nolint:gochecknoglobals
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var ConfigDefaults = Config{}
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// A Collector is a Prometheus Collector perflib DHCP metrics.
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type Collector struct {
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config Config
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perfDataCollector *pdh.Collector
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perfDataObject []perfDataCounterValues
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acksTotal *prometheus.Desc
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activeQueueLength *prometheus.Desc
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conflictCheckQueueLength *prometheus.Desc
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declinesTotal *prometheus.Desc
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deniedDueToMatch *prometheus.Desc
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deniedDueToNonMatch *prometheus.Desc
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discoversTotal *prometheus.Desc
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duplicatesDroppedTotal *prometheus.Desc
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failoverBndAckReceivedTotal *prometheus.Desc
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failoverBndAckSentTotal *prometheus.Desc
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failoverBndUpdDropped *prometheus.Desc
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failoverBndUpdPendingOutboundQueue *prometheus.Desc
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failoverBndUpdReceivedTotal *prometheus.Desc
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failoverBndUpdSentTotal *prometheus.Desc
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failoverTransitionsCommunicationInterruptedState *prometheus.Desc
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failoverTransitionsPartnerDownState *prometheus.Desc
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failoverTransitionsRecoverState *prometheus.Desc
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informsTotal *prometheus.Desc
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nACKsTotal *prometheus.Desc
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offerQueueLength *prometheus.Desc
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offersTotal *prometheus.Desc
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packetsExpiredTotal *prometheus.Desc
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packetsReceivedTotal *prometheus.Desc
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releasesTotal *prometheus.Desc
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requestsTotal *prometheus.Desc
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}
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func New(config *Config) *Collector {
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if config == nil {
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config = &ConfigDefaults
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}
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c := &Collector{
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config: *config,
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}
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return c
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}
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func NewWithFlags(_ *kingpin.Application) *Collector {
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return &Collector{}
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}
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func (c *Collector) GetName() string {
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return Name
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}
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func (c *Collector) Close() error {
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c.perfDataCollector.Close()
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return nil
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}
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func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
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var err error
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c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues](pdh.CounterTypeRaw, "DHCP Server", nil)
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if err != nil {
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return fmt.Errorf("failed to create DHCP Server collector: %w", err)
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}
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c.packetsReceivedTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_received_total"),
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"Total number of packets received by the DHCP server (PacketsReceivedTotal)",
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nil,
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nil,
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)
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c.duplicatesDroppedTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "duplicates_dropped_total"),
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"Total number of duplicate packets received by the DHCP server (DuplicatesDroppedTotal)",
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nil,
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nil,
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)
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c.packetsExpiredTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_expired_total"),
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"Total number of packets expired in the DHCP server message queue (PacketsExpiredTotal)",
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nil,
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nil,
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)
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c.activeQueueLength = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "active_queue_length"),
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"Number of packets in the processing queue of the DHCP server (ActiveQueueLength)",
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nil,
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nil,
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)
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c.conflictCheckQueueLength = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "conflict_check_queue_length"),
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"Number of packets in the DHCP server queue waiting on conflict detection (ping). (ConflictCheckQueueLength)",
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nil,
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nil,
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)
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c.discoversTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "discovers_total"),
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"Total DHCP Discovers received by the DHCP server (DiscoversTotal)",
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nil,
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nil,
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)
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c.offersTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "offers_total"),
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"Total DHCP Offers sent by the DHCP server (OffersTotal)",
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nil,
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nil,
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)
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c.requestsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "requests_total"),
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"Total DHCP Requests received by the DHCP server (RequestsTotal)",
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nil,
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nil,
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)
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c.informsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "informs_total"),
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"Total DHCP Informs received by the DHCP server (InformsTotal)",
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nil,
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nil,
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)
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c.acksTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "acks_total"),
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"Total DHCP Acks sent by the DHCP server (AcksTotal)",
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nil,
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nil,
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)
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c.nACKsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "nacks_total"),
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"Total DHCP Nacks sent by the DHCP server (NacksTotal)",
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nil,
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nil,
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)
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c.declinesTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "declines_total"),
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"Total DHCP Declines received by the DHCP server (DeclinesTotal)",
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nil,
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nil,
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)
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c.releasesTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "releases_total"),
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"Total DHCP Releases received by the DHCP server (ReleasesTotal)",
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nil,
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nil,
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)
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c.offerQueueLength = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "offer_queue_length"),
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"Number of packets in the offer queue of the DHCP server (OfferQueueLength)",
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nil,
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nil,
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)
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c.deniedDueToMatch = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "denied_due_to_match_total"),
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"Total number of DHCP requests denied, based on matches from the Deny list (DeniedDueToMatch)",
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nil,
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nil,
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)
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c.deniedDueToNonMatch = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "denied_due_to_nonmatch_total"),
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"Total number of DHCP requests denied, based on non-matches from the Allow list (DeniedDueToNonMatch)",
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nil,
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nil,
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)
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c.failoverBndUpdSentTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_sent_total"),
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"Number of DHCP fail over Binding Update messages sent (FailoverBndupdSentTotal)",
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nil,
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nil,
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)
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c.failoverBndUpdReceivedTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_received_total"),
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"Number of DHCP fail over Binding Update messages received (FailoverBndupdReceivedTotal)",
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nil,
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nil,
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)
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c.failoverBndAckSentTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_bndack_sent_total"),
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"Number of DHCP fail over Binding Ack messages sent (FailoverBndackSentTotal)",
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nil,
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nil,
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)
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c.failoverBndAckReceivedTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_bndack_received_total"),
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"Number of DHCP fail over Binding Ack messages received (FailoverBndackReceivedTotal)",
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nil,
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nil,
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)
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c.failoverBndUpdPendingOutboundQueue = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_pending_in_outbound_queue"),
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"Number of pending outbound DHCP fail over Binding Update messages (FailoverBndupdPendingOutboundQueue)",
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nil,
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nil,
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)
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c.failoverTransitionsCommunicationInterruptedState = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_communicationinterrupted_state_total"),
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"Total number of transitions into COMMUNICATION INTERRUPTED state (FailoverTransitionsCommunicationinterruptedState)",
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nil,
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nil,
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)
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c.failoverTransitionsPartnerDownState = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_partnerdown_state_total"),
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"Total number of transitions into PARTNER DOWN state (FailoverTransitionsPartnerdownState)",
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nil,
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nil,
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)
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c.failoverTransitionsRecoverState = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_recover_total"),
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"Total number of transitions into RECOVER state (FailoverTransitionsRecoverState)",
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nil,
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nil,
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)
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c.failoverBndUpdDropped = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_dropped_total"),
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"Total number of DHCP fail over Binding Updates dropped (FailoverBndupdDropped)",
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nil,
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nil,
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)
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return nil
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}
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func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
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err := c.perfDataCollector.Collect(&c.perfDataObject)
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if err != nil {
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return fmt.Errorf("failed to collect DHCP Server metrics: %w", err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.packetsReceivedTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].PacketsReceivedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.duplicatesDroppedTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].DuplicatesDroppedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsExpiredTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].PacketsExpiredTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.activeQueueLength,
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prometheus.GaugeValue,
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c.perfDataObject[0].ActiveQueueLength,
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)
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ch <- prometheus.MustNewConstMetric(
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c.conflictCheckQueueLength,
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prometheus.GaugeValue,
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c.perfDataObject[0].ConflictCheckQueueLength,
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)
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ch <- prometheus.MustNewConstMetric(
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c.discoversTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].DiscoversTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.offersTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].OffersTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.requestsTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].RequestsTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.informsTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].InformsTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.acksTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].AcksTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.nACKsTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].NacksTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.declinesTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].DeclinesTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.releasesTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].ReleasesTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.offerQueueLength,
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prometheus.GaugeValue,
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c.perfDataObject[0].OfferQueueLength,
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)
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ch <- prometheus.MustNewConstMetric(
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c.deniedDueToMatch,
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prometheus.CounterValue,
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c.perfDataObject[0].DeniedDueToMatch,
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)
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ch <- prometheus.MustNewConstMetric(
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c.deniedDueToNonMatch,
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prometheus.CounterValue,
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c.perfDataObject[0].DeniedDueToNonMatch,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverBndUpdSentTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverBndUpdSentTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverBndUpdReceivedTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverBndUpdReceivedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverBndAckSentTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverBndAckSentTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverBndAckReceivedTotal,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverBndAckReceivedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverBndUpdPendingOutboundQueue,
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prometheus.GaugeValue,
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c.perfDataObject[0].FailoverBndUpdPendingOutboundQueue,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverTransitionsCommunicationInterruptedState,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverTransitionsCommunicationInterruptedState,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverTransitionsPartnerDownState,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverTransitionsPartnerDownState,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverTransitionsRecoverState,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverTransitionsRecoverState,
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)
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ch <- prometheus.MustNewConstMetric(
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c.failoverBndUpdDropped,
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prometheus.CounterValue,
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c.perfDataObject[0].FailoverBndUpdDropped,
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)
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return nil
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}
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