mirror of
https://github.com/prometheus-community/windows_exporter.git
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dhcp: add dhcp scope stats (#1840)
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
@@ -2,49 +2,177 @@
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The dhcp collector exposes DHCP Server metrics
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The dhcp collector exposes DHCP Server metrics
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-|-
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|---------------------|---------------|
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Metric name prefix | `dhcp`
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| Metric name prefix | `dhcp` |
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Data source | Perflib
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| Data source | Perflib |
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Classes | `DHCP Server`
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| Classes | `DHCP Server` |
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Enabled by default? | No
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| Enabled by default? | No |
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## Flags
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## Flags
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None
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### `--collector.dhcp.enabled`
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Comma-separated list of collectors to use. Defaults to all, if not specified.
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## Metrics
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## Metrics
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Name | Description | Type | Labels
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| Name | Description | Type | Labels |
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-----|-------------|------|-------
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|--------------------------------------------------------------------------|--------------------------------------------------------------------------------|---------|-----------------------------------------------------|
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`packets_received_total` | Total number of packets received by the DHCP server | counter | None
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| `windows_dhcp_ack_total` | Total DHCP Acks sent by the DHCP server | counter | None |
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`duplicates_dropped_total` | Total number of duplicate packets received by the DHCP server | counter | None
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| `windows_dhcp_denied_due_to_match_total` | Total number of DHCP requests denied, based on matches from the Deny List | gauge | None |
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`packets_expired_total` | Total number of packets expired in the DHCP server message queue | counter | None
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| `windows_dhcp_denied_due_to_nonmatch_total` | Total number of DHCP requests denied, based on non-matches from the Allow List | gauge | None |
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`active_queue_length` | Number of packets in the processing queue of the DHCP server | gauge | None
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| `windows_dhcp_declines_total` | Total DHCP Declines received by the DHCP server | counter | None |
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`conflict_check_queue_length` | Number of packets in the DHCP server queue waiting on conflict detection (ping) | gauge | None
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| `windows_dhcp_discovers_total` | Total DHCP Discovers received by the DHCP server | counter | None |
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`discovers_total` | Total DHCP Discovers received by the DHCP server | counter | None
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| `windows_dhcp_failover_bndack_received_total` | Number of DHCP failover Binding Ack messages received | counter | None |
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`offers_total` | Total DHCP Offers sent by the DHCP server | counter | None
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| `windows_dhcp_failover_bndack_sent_total` | Number of DHCP failover Binding Ack messages sent | counter | None |
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`requests_total` | Total DHCP Requests received by the DHCP server | counter | None
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| `windows_dhcp_failover_bndupd_dropped_total` | Total number of DHCP failover Binding Updates dropped | counter | None |
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`informs_total` | Total DHCP Informs received by the DHCP server | counter | None
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| `windows_dhcp_failover_bndupd_received_total` | Number of DHCP failover Binding Update messages received | counter | None |
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`acks_total` | Total DHCP Acks sent by the DHCP server | counter | None
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| `windows_dhcp_failover_bndupd_sent_total` | Number of DHCP failover Binding Update messages sent | counter | None |
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`nacks_total` | Total DHCP Nacks sent by the DHCP server | counter | None
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| `windows_dhcp_failover_bndupd_pending_in_outbound_queue` | Number of pending outbound DHCP failover Binding Update messages | counter | None |
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`declines_total` | Total DHCP Declines received by the DHCP server | counter | None
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| `windows_dhcp_failover_transitions_communicationinterrupted_state_total` | Total number of transitions into COMMUNICATION INTERRUPTED state | counter | None |
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`releases_total` | Total DHCP Releases received by the DHCP server | counter | None
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| `windows_dhcp_failover_transitions_partnerdown_state_total` | Total number of transitions into PARTNER DOWN state | counter | None |
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`offer_queue_length` | Number of packets in the offer queue of the DHCP server | gauge | None
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| `windows_dhcp_failover_transitions_recover_total` | Total number of transitions into RECOVER state | counter | None |
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`denied_due_to_match_total` | Total number of DHCP requests denied, based on matches from the Deny List | gauge | None
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| `windows_dhcp_informs_total` | Total DHCP Informs received by the DHCP server | counter | None |
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`denied_due_to_nonmatch_total` | Total number of DHCP requests denied, based on non-matches from the Allow List | gauge | None
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| `windows_dhcp_nacks_total` | Total DHCP Nacks sent by the DHCP server | counter | None |
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`failover_bndupd_sent_total` | Number of DHCP failover Binding Update messages sent | counter | None
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| `windows_dhcp_offers_total` | Total DHCP Offers sent by the DHCP server | counter | None |
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`failover_bndupd_received_total` | Number of DHCP failover Binding Update messages received | counter | None
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| `windows_dhcp_packets_expired_total` | Total number of packets expired in the DHCP server message queue | counter | None |
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`failover_bndack_sent_total` | Number of DHCP failover Binding Ack messages sent | counter | None
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| `windows_dhcp_packets_received_total` | Total number of packets received by the DHCP server | counter | None |
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`failover_bndack_received_total` | Number of DHCP failover Binding Ack messages received | counter | None
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| `windows_dhcp_pending_offers_total` | Total number of pending offers in the DHCP server | counter | None |
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`failover_bndupd_pending_in_outbound_queue` | Number of pending outbound DHCP failover Binding Update messages | counter | None
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| `windows_dhcp_releases_total` | Total DHCP Releases received by the DHCP server | counter | None |
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`failover_transitions_communicationinterrupted_state_total` | Total number of transitions into COMMUNICATION INTERRUPTED state | counter | None
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| `windows_dhcp_requests_total` | Total DHCP Requests received by the DHCP server | counter | None |
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`failover_transitions_partnerdown_state_total` | Total number of transitions into PARTNER DOWN state | counter | None
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| `windows_dhcp_scope_addresses_free_on_this_server` | DHCP Scope free addresses on this server | gauge | `scope` |
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`failover_transitions_recover_total` | Total number of transitions into RECOVER state | counter | None
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| `windows_dhcp_scope_addresses_free_on_partner_server` | DHCP Scope free addresses on partner server | gauge | `scope` |
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`failover_bndupd_dropped_total` | Total number of DHCP faileover Binding Updates dropped | counter | None
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| `windows_dhcp_scope_addresses_free` | DHCP Scope free addresses | gauge | `scope` |
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| `windows_dhcp_scope_addresses_in_use_on_this_server` | DHCP Scope addresses in use on this server | gauge | `scope` |
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| `windows_dhcp_scope_addresses_in_use_on_partner_server` | DHCP Scope addresses in use on partner server | gauge | `scope` |
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| `windows_dhcp_scope_addresses_in_use` | DHCP Scope addresses in use | gauge | `scope` |
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| `windows_dhcp_scope_info` | DHCP Scope information | gauge | `name`, `superscope_name`, `superscope_id`, `scope` |
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| `windows_dhcp_scope_pending_offers` | DHCP Scope pending offers | gauge | `scope` |
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| `windows_dhcp_scope_reserved_address` | DHCP Scope reserved addresses | gauge | `scope` |
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| `windows_dhcp_scope_state` | DHCP Scope state | gauge | `scope`, `state` |
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### Example metric
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### Example metric
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_This collector does not yet have explained examples, we would appreciate your help adding them!_
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```
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# HELP windows_dhcp_acks_total Total DHCP Acks sent by the DHCP server (AcksTotal)
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# TYPE windows_dhcp_acks_total counter
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windows_dhcp_acks_total 0
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# HELP windows_dhcp_active_queue_length Number of packets in the processing queue of the DHCP server (ActiveQueueLength)
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# TYPE windows_dhcp_active_queue_length gauge
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windows_dhcp_active_queue_length 0
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# HELP windows_dhcp_conflict_check_queue_length Number of packets in the DHCP server queue waiting on conflict detection (ping). (ConflictCheckQueueLength)
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# TYPE windows_dhcp_conflict_check_queue_length gauge
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windows_dhcp_conflict_check_queue_length 0
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# HELP windows_dhcp_declines_total Total DHCP Declines received by the DHCP server (DeclinesTotal)
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# TYPE windows_dhcp_declines_total counter
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windows_dhcp_declines_total 0
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# HELP windows_dhcp_denied_due_to_match_total Total number of DHCP requests denied, based on matches from the Deny list (DeniedDueToMatch)
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# TYPE windows_dhcp_denied_due_to_match_total counter
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windows_dhcp_denied_due_to_match_total 0
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# HELP windows_dhcp_denied_due_to_nonmatch_total Total number of DHCP requests denied, based on non-matches from the Allow list (DeniedDueToNonMatch)
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# TYPE windows_dhcp_denied_due_to_nonmatch_total counter
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windows_dhcp_denied_due_to_nonmatch_total 0
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# HELP windows_dhcp_discovers_total Total DHCP Discovers received by the DHCP server (DiscoversTotal)
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# TYPE windows_dhcp_discovers_total counter
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windows_dhcp_discovers_total 0
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# HELP windows_dhcp_duplicates_dropped_total Total number of duplicate packets received by the DHCP server (DuplicatesDroppedTotal)
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# TYPE windows_dhcp_duplicates_dropped_total counter
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windows_dhcp_duplicates_dropped_total 0
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# HELP windows_dhcp_failover_bndack_received_total Number of DHCP fail over Binding Ack messages received (FailoverBndackReceivedTotal)
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# TYPE windows_dhcp_failover_bndack_received_total counter
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windows_dhcp_failover_bndack_received_total 0
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# HELP windows_dhcp_failover_bndack_sent_total Number of DHCP fail over Binding Ack messages sent (FailoverBndackSentTotal)
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# TYPE windows_dhcp_failover_bndack_sent_total counter
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windows_dhcp_failover_bndack_sent_total 0
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# HELP windows_dhcp_failover_bndupd_dropped_total Total number of DHCP fail over Binding Updates dropped (FailoverBndupdDropped)
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# TYPE windows_dhcp_failover_bndupd_dropped_total counter
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windows_dhcp_failover_bndupd_dropped_total 0
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# HELP windows_dhcp_failover_bndupd_pending_in_outbound_queue Number of pending outbound DHCP fail over Binding Update messages (FailoverBndupdPendingOutboundQueue)
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# TYPE windows_dhcp_failover_bndupd_pending_in_outbound_queue gauge
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windows_dhcp_failover_bndupd_pending_in_outbound_queue 0
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# HELP windows_dhcp_failover_bndupd_received_total Number of DHCP fail over Binding Update messages received (FailoverBndupdReceivedTotal)
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# TYPE windows_dhcp_failover_bndupd_received_total counter
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windows_dhcp_failover_bndupd_received_total 0
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# HELP windows_dhcp_failover_bndupd_sent_total Number of DHCP fail over Binding Update messages sent (FailoverBndupdSentTotal)
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# TYPE windows_dhcp_failover_bndupd_sent_total counter
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windows_dhcp_failover_bndupd_sent_total 0
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# HELP windows_dhcp_failover_transitions_communicationinterrupted_state_total Total number of transitions into COMMUNICATION INTERRUPTED state (FailoverTransitionsCommunicationinterruptedState)
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# TYPE windows_dhcp_failover_transitions_communicationinterrupted_state_total counter
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windows_dhcp_failover_transitions_communicationinterrupted_state_total 0
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# HELP windows_dhcp_failover_transitions_partnerdown_state_total Total number of transitions into PARTNER DOWN state (FailoverTransitionsPartnerdownState)
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# TYPE windows_dhcp_failover_transitions_partnerdown_state_total counter
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windows_dhcp_failover_transitions_partnerdown_state_total 0
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# HELP windows_dhcp_failover_transitions_recover_total Total number of transitions into RECOVER state (FailoverTransitionsRecoverState)
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# TYPE windows_dhcp_failover_transitions_recover_total counter
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windows_dhcp_failover_transitions_recover_total 0
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# HELP windows_dhcp_informs_total Total DHCP Informs received by the DHCP server (InformsTotal)
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# TYPE windows_dhcp_informs_total counter
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windows_dhcp_informs_total 0
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# HELP windows_dhcp_nacks_total Total DHCP Nacks sent by the DHCP server (NacksTotal)
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# TYPE windows_dhcp_nacks_total counter
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windows_dhcp_nacks_total 0
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# HELP windows_dhcp_offer_queue_length Number of packets in the offer queue of the DHCP server (OfferQueueLength)
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# TYPE windows_dhcp_offer_queue_length gauge
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windows_dhcp_offer_queue_length 0
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# HELP windows_dhcp_offers_total Total DHCP Offers sent by the DHCP server (OffersTotal)
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# TYPE windows_dhcp_offers_total counter
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windows_dhcp_offers_total 0
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# HELP windows_dhcp_packets_expired_total Total number of packets expired in the DHCP server message queue (PacketsExpiredTotal)
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# TYPE windows_dhcp_packets_expired_total counter
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windows_dhcp_packets_expired_total 0
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# HELP windows_dhcp_packets_received_total Total number of packets received by the DHCP server (PacketsReceivedTotal)
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# TYPE windows_dhcp_packets_received_total counter
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windows_dhcp_packets_received_total 0
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# HELP windows_dhcp_releases_total Total DHCP Releases received by the DHCP server (ReleasesTotal)
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# TYPE windows_dhcp_releases_total counter
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windows_dhcp_releases_total 0
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# HELP windows_dhcp_requests_total Total DHCP Requests received by the DHCP server (RequestsTotal)
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# TYPE windows_dhcp_requests_total counter
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windows_dhcp_requests_total 0
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# HELP windows_dhcp_scope_addresses_free_total DHCP Scope free addresses
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# TYPE windows_dhcp_scope_addresses_free_total gauge
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windows_dhcp_scope_addresses_free_total{scope="10.11.12.0/25"} 0
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windows_dhcp_scope_addresses_free_total{scope="172.16.0.0/24"} 0
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windows_dhcp_scope_addresses_free_total{scope="192.168.0.0/24"} 231
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# HELP windows_dhcp_scope_addresses_in_use_total DHCP Scope addresses in use
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# TYPE windows_dhcp_scope_addresses_in_use_total gauge
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windows_dhcp_scope_addresses_in_use_total{scope="10.11.12.0/25"} 0
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windows_dhcp_scope_addresses_in_use_total{scope="172.16.0.0/24"} 0
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windows_dhcp_scope_addresses_in_use_total{scope="192.168.0.0/24"} 0
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# HELP windows_dhcp_scope_info DHCP Scope information
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# TYPE windows_dhcp_scope_info gauge
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windows_dhcp_scope_info{name="SUBSUPERSCOPE",scope="172.16.0.0/24",superscope_id="2",superscope_name="SUPERSCOPE"} 1
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windows_dhcp_scope_info{name="TEST",scope="192.168.0.0/24",superscope_id="0",superscope_name=""} 1
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windows_dhcp_scope_info{name="TEST2",scope="10.11.12.0/25",superscope_id="2",superscope_name="SUPERSCOPE"} 1
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# HELP windows_dhcp_scope_pending_offers_total DHCP Scope pending offers
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# TYPE windows_dhcp_scope_pending_offers_total gauge
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windows_dhcp_scope_pending_offers_total{scope="10.11.12.0/25"} 0
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windows_dhcp_scope_pending_offers_total{scope="172.16.0.0/24"} 0
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windows_dhcp_scope_pending_offers_total{scope="192.168.0.0/24"} 0
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# HELP windows_dhcp_scope_reserved_address_total DHCP Scope reserved addresses
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# TYPE windows_dhcp_scope_reserved_address_total gauge
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windows_dhcp_scope_reserved_address_total{scope="10.11.12.0/25"} 0
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windows_dhcp_scope_reserved_address_total{scope="172.16.0.0/24"} 0
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windows_dhcp_scope_reserved_address_total{scope="192.168.0.0/24"} 2
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# HELP windows_dhcp_scope_state DHCP Scope state
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# TYPE windows_dhcp_scope_state gauge
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windows_dhcp_scope_state{scope="10.11.12.0/25",state="Disabled"} 1
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windows_dhcp_scope_state{scope="10.11.12.0/25",state="DisabledSwitched"} 0
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windows_dhcp_scope_state{scope="10.11.12.0/25",state="Enabled"} 0
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windows_dhcp_scope_state{scope="10.11.12.0/25",state="EnabledSwitched"} 0
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windows_dhcp_scope_state{scope="10.11.12.0/25",state="InvalidState"} 0
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windows_dhcp_scope_state{scope="172.16.0.0/24",state="Disabled"} 1
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windows_dhcp_scope_state{scope="172.16.0.0/24",state="DisabledSwitched"} 0
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windows_dhcp_scope_state{scope="172.16.0.0/24",state="Enabled"} 0
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windows_dhcp_scope_state{scope="172.16.0.0/24",state="EnabledSwitched"} 0
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windows_dhcp_scope_state{scope="172.16.0.0/24",state="InvalidState"} 0
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windows_dhcp_scope_state{scope="192.168.0.0/24",state="Disabled"} 0
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windows_dhcp_scope_state{scope="192.168.0.0/24",state="DisabledSwitched"} 0
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windows_dhcp_scope_state{scope="192.168.0.0/24",state="Enabled"} 1
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windows_dhcp_scope_state{scope="192.168.0.0/24",state="EnabledSwitched"} 0
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windows_dhcp_scope_state{scope="192.168.0.0/24",state="InvalidState"} 0
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```
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## Useful queries
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## Useful queries
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_This collector does not yet have any useful queries added, we would appreciate your help adding them!_
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_This collector does not yet have any useful queries added, we would appreciate your help adding them!_
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@@ -19,6 +19,10 @@ If given, an interface name needs to match the include regexp in order for the c
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If given, an interface name needs to *not* match the exclude regexp in order for the corresponding metrics to be reported
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If given, an interface name needs to *not* match the exclude regexp in order for the corresponding metrics to be reported
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### `--collector.net.enabled`
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Comma-separated list of collectors to use. Defaults to all, if not specified.
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## Metrics
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## Metrics
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||||||
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Name | Description | Type | Labels
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Name | Description | Type | Labels
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@@ -10,7 +10,9 @@ The netframework collector exposes metrics about dotnet framework.
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## Flags
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## Flags
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||||||
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||||||
None
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### `--collector.netframework.enabled`
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||||||
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Comma-separated list of collectors to use. Defaults to all, if not specified.
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## Metrics
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## Metrics
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||||||
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||||||
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@@ -16,22 +16,39 @@
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package dhcp
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package dhcp
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import (
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import (
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"errors"
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"fmt"
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"fmt"
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"log/slog"
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"log/slog"
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"slices"
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"strconv"
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"strings"
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"github.com/alecthomas/kingpin/v2"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/headers/dhcpsapi"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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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/pdh"
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"github.com/prometheus-community/windows_exporter/internal/types"
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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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"github.com/prometheus/client_golang/prometheus"
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)
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)
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const Name = "dhcp"
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const (
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||||||
|
Name = "dhcp"
|
||||||
|
|
||||||
type Config struct{}
|
subCollectorServerMetrics = "server_metrics"
|
||||||
|
subCollectorScopeMetrics = "scope_metrics"
|
||||||
|
)
|
||||||
|
|
||||||
|
type Config struct {
|
||||||
|
CollectorsEnabled []string `yaml:"collectors_enabled"`
|
||||||
|
}
|
||||||
|
|
||||||
//nolint:gochecknoglobals
|
//nolint:gochecknoglobals
|
||||||
var ConfigDefaults = Config{}
|
var ConfigDefaults = Config{
|
||||||
|
CollectorsEnabled: []string{
|
||||||
|
subCollectorServerMetrics,
|
||||||
|
subCollectorScopeMetrics,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
// A Collector is a Prometheus Collector perflib DHCP metrics.
|
// A Collector is a Prometheus Collector perflib DHCP metrics.
|
||||||
type Collector struct {
|
type Collector struct {
|
||||||
@@ -65,6 +82,17 @@ type Collector struct {
|
|||||||
packetsReceivedTotal *prometheus.Desc
|
packetsReceivedTotal *prometheus.Desc
|
||||||
releasesTotal *prometheus.Desc
|
releasesTotal *prometheus.Desc
|
||||||
requestsTotal *prometheus.Desc
|
requestsTotal *prometheus.Desc
|
||||||
|
|
||||||
|
scopeInfo *prometheus.Desc
|
||||||
|
scopeState *prometheus.Desc
|
||||||
|
scopeAddressesFreeTotal *prometheus.Desc
|
||||||
|
scopeAddressesFreeOnPartnerServerTotal *prometheus.Desc
|
||||||
|
scopeAddressesFreeOnThisServerTotal *prometheus.Desc
|
||||||
|
scopeAddressesInUseTotal *prometheus.Desc
|
||||||
|
scopeAddressesInUseOnPartnerServerTotal *prometheus.Desc
|
||||||
|
scopeAddressesInUseOnThisServerTotal *prometheus.Desc
|
||||||
|
scopePendingOffersTotal *prometheus.Desc
|
||||||
|
scopeReservedAddressTotal *prometheus.Desc
|
||||||
}
|
}
|
||||||
|
|
||||||
func New(config *Config) *Collector {
|
func New(config *Config) *Collector {
|
||||||
@@ -72,6 +100,10 @@ func New(config *Config) *Collector {
|
|||||||
config = &ConfigDefaults
|
config = &ConfigDefaults
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if config.CollectorsEnabled == nil {
|
||||||
|
config.CollectorsEnabled = ConfigDefaults.CollectorsEnabled
|
||||||
|
}
|
||||||
|
|
||||||
c := &Collector{
|
c := &Collector{
|
||||||
config: *config,
|
config: *config,
|
||||||
}
|
}
|
||||||
@@ -79,8 +111,26 @@ func New(config *Config) *Collector {
|
|||||||
return c
|
return c
|
||||||
}
|
}
|
||||||
|
|
||||||
func NewWithFlags(_ *kingpin.Application) *Collector {
|
func NewWithFlags(app *kingpin.Application) *Collector {
|
||||||
return &Collector{}
|
c := &Collector{
|
||||||
|
config: ConfigDefaults,
|
||||||
|
}
|
||||||
|
c.config.CollectorsEnabled = make([]string, 0)
|
||||||
|
|
||||||
|
var collectorsEnabled string
|
||||||
|
|
||||||
|
app.Flag(
|
||||||
|
"collector.dhcp.enabled",
|
||||||
|
"Comma-separated list of collectors to use. Defaults to all, if not specified.",
|
||||||
|
).Default(strings.Join(ConfigDefaults.CollectorsEnabled, ",")).StringVar(&collectorsEnabled)
|
||||||
|
|
||||||
|
app.Action(func(*kingpin.ParseContext) error {
|
||||||
|
c.config.CollectorsEnabled = strings.Split(collectorsEnabled, ",")
|
||||||
|
|
||||||
|
return nil
|
||||||
|
})
|
||||||
|
|
||||||
|
return c
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Collector) GetName() string {
|
func (c *Collector) GetName() string {
|
||||||
@@ -88,7 +138,9 @@ func (c *Collector) GetName() string {
|
|||||||
}
|
}
|
||||||
|
|
||||||
func (c *Collector) Close() error {
|
func (c *Collector) Close() error {
|
||||||
c.perfDataCollector.Close()
|
if slices.Contains(c.config.CollectorsEnabled, subCollectorServerMetrics) {
|
||||||
|
c.perfDataCollector.Close()
|
||||||
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
@@ -96,166 +148,258 @@ func (c *Collector) Close() error {
|
|||||||
func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
|
func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
|
||||||
var err error
|
var err error
|
||||||
|
|
||||||
c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues](pdh.CounterTypeRaw, "DHCP Server", nil)
|
if slices.Contains(c.config.CollectorsEnabled, subCollectorServerMetrics) {
|
||||||
if err != nil {
|
c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues](pdh.CounterTypeRaw, "DHCP Server", nil)
|
||||||
return fmt.Errorf("failed to create DHCP Server collector: %w", err)
|
if err != nil {
|
||||||
|
return fmt.Errorf("failed to create DHCP Server collector: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
c.packetsReceivedTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "packets_received_total"),
|
||||||
|
"Total number of packets received by the DHCP server (PacketsReceivedTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.duplicatesDroppedTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "duplicates_dropped_total"),
|
||||||
|
"Total number of duplicate packets received by the DHCP server (DuplicatesDroppedTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.packetsExpiredTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "packets_expired_total"),
|
||||||
|
"Total number of packets expired in the DHCP server message queue (PacketsExpiredTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.activeQueueLength = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "active_queue_length"),
|
||||||
|
"Number of packets in the processing queue of the DHCP server (ActiveQueueLength)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.conflictCheckQueueLength = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "conflict_check_queue_length"),
|
||||||
|
"Number of packets in the DHCP server queue waiting on conflict detection (ping). (ConflictCheckQueueLength)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.discoversTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "discovers_total"),
|
||||||
|
"Total DHCP Discovers received by the DHCP server (DiscoversTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.offersTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "offers_total"),
|
||||||
|
"Total DHCP Offers sent by the DHCP server (OffersTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.requestsTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "requests_total"),
|
||||||
|
"Total DHCP Requests received by the DHCP server (RequestsTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.informsTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "informs_total"),
|
||||||
|
"Total DHCP Informs received by the DHCP server (InformsTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.acksTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "acks_total"),
|
||||||
|
"Total DHCP Acks sent by the DHCP server (AcksTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.nACKsTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "nacks_total"),
|
||||||
|
"Total DHCP Nacks sent by the DHCP server (NacksTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.declinesTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "declines_total"),
|
||||||
|
"Total DHCP Declines received by the DHCP server (DeclinesTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.releasesTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "releases_total"),
|
||||||
|
"Total DHCP Releases received by the DHCP server (ReleasesTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.offerQueueLength = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "offer_queue_length"),
|
||||||
|
"Number of packets in the offer queue of the DHCP server (OfferQueueLength)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.deniedDueToMatch = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "denied_due_to_match_total"),
|
||||||
|
"Total number of DHCP requests denied, based on matches from the Deny list (DeniedDueToMatch)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.deniedDueToNonMatch = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "denied_due_to_nonmatch_total"),
|
||||||
|
"Total number of DHCP requests denied, based on non-matches from the Allow list (DeniedDueToNonMatch)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverBndUpdSentTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_sent_total"),
|
||||||
|
"Number of DHCP fail over Binding Update messages sent (FailoverBndupdSentTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverBndUpdReceivedTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_received_total"),
|
||||||
|
"Number of DHCP fail over Binding Update messages received (FailoverBndupdReceivedTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverBndAckSentTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_bndack_sent_total"),
|
||||||
|
"Number of DHCP fail over Binding Ack messages sent (FailoverBndackSentTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverBndAckReceivedTotal = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_bndack_received_total"),
|
||||||
|
"Number of DHCP fail over Binding Ack messages received (FailoverBndackReceivedTotal)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverBndUpdPendingOutboundQueue = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_pending_in_outbound_queue"),
|
||||||
|
"Number of pending outbound DHCP fail over Binding Update messages (FailoverBndupdPendingOutboundQueue)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverTransitionsCommunicationInterruptedState = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_communicationinterrupted_state_total"),
|
||||||
|
"Total number of transitions into COMMUNICATION INTERRUPTED state (FailoverTransitionsCommunicationinterruptedState)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverTransitionsPartnerDownState = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_partnerdown_state_total"),
|
||||||
|
"Total number of transitions into PARTNER DOWN state (FailoverTransitionsPartnerdownState)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverTransitionsRecoverState = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_recover_total"),
|
||||||
|
"Total number of transitions into RECOVER state (FailoverTransitionsRecoverState)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
|
c.failoverBndUpdDropped = prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_dropped_total"),
|
||||||
|
"Total number of DHCP fail over Binding Updates dropped (FailoverBndupdDropped)",
|
||||||
|
nil,
|
||||||
|
nil,
|
||||||
|
)
|
||||||
}
|
}
|
||||||
|
|
||||||
c.packetsReceivedTotal = prometheus.NewDesc(
|
if slices.Contains(c.config.CollectorsEnabled, subCollectorScopeMetrics) {
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "packets_received_total"),
|
c.scopeInfo = prometheus.NewDesc(
|
||||||
"Total number of packets received by the DHCP server (PacketsReceivedTotal)",
|
prometheus.BuildFQName(types.Namespace, Name, "scope_info"),
|
||||||
nil,
|
"DHCP Scope information",
|
||||||
nil,
|
[]string{"name", "superscope_name", "superscope_id", "scope"},
|
||||||
)
|
nil,
|
||||||
c.duplicatesDroppedTotal = prometheus.NewDesc(
|
)
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "duplicates_dropped_total"),
|
|
||||||
"Total number of duplicate packets received by the DHCP server (DuplicatesDroppedTotal)",
|
c.scopeState = prometheus.NewDesc(
|
||||||
nil,
|
prometheus.BuildFQName(types.Namespace, Name, "scope_state"),
|
||||||
nil,
|
"DHCP Scope state",
|
||||||
)
|
[]string{"scope", "state"},
|
||||||
c.packetsExpiredTotal = prometheus.NewDesc(
|
nil,
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "packets_expired_total"),
|
)
|
||||||
"Total number of packets expired in the DHCP server message queue (PacketsExpiredTotal)",
|
|
||||||
nil,
|
c.scopeAddressesFreeTotal = prometheus.NewDesc(
|
||||||
nil,
|
prometheus.BuildFQName(types.Namespace, Name, "scope_addresses_free"),
|
||||||
)
|
"DHCP Scope free addresses",
|
||||||
c.activeQueueLength = prometheus.NewDesc(
|
[]string{"scope"},
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "active_queue_length"),
|
nil,
|
||||||
"Number of packets in the processing queue of the DHCP server (ActiveQueueLength)",
|
)
|
||||||
nil,
|
|
||||||
nil,
|
c.scopeAddressesFreeOnPartnerServerTotal = prometheus.NewDesc(
|
||||||
)
|
prometheus.BuildFQName(types.Namespace, Name, "scope_addresses_free_on_partner_server"),
|
||||||
c.conflictCheckQueueLength = prometheus.NewDesc(
|
"DHCP Scope free addresses on partner server",
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "conflict_check_queue_length"),
|
[]string{"scope"},
|
||||||
"Number of packets in the DHCP server queue waiting on conflict detection (ping). (ConflictCheckQueueLength)",
|
nil,
|
||||||
nil,
|
)
|
||||||
nil,
|
|
||||||
)
|
c.scopeAddressesFreeOnThisServerTotal = prometheus.NewDesc(
|
||||||
c.discoversTotal = prometheus.NewDesc(
|
prometheus.BuildFQName(types.Namespace, Name, "scope_addresses_free_on_this_server"),
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "discovers_total"),
|
"DHCP Scope free addresses on this server",
|
||||||
"Total DHCP Discovers received by the DHCP server (DiscoversTotal)",
|
[]string{"scope"},
|
||||||
nil,
|
nil,
|
||||||
nil,
|
)
|
||||||
)
|
|
||||||
c.offersTotal = prometheus.NewDesc(
|
c.scopeAddressesInUseTotal = prometheus.NewDesc(
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "offers_total"),
|
prometheus.BuildFQName(types.Namespace, Name, "scope_addresses_in_use"),
|
||||||
"Total DHCP Offers sent by the DHCP server (OffersTotal)",
|
"DHCP Scope addresses in use",
|
||||||
nil,
|
[]string{"scope"},
|
||||||
nil,
|
nil,
|
||||||
)
|
)
|
||||||
c.requestsTotal = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "requests_total"),
|
c.scopeAddressesInUseOnPartnerServerTotal = prometheus.NewDesc(
|
||||||
"Total DHCP Requests received by the DHCP server (RequestsTotal)",
|
prometheus.BuildFQName(types.Namespace, Name, "scope_addresses_in_use_on_partner_server"),
|
||||||
nil,
|
"DHCP Scope addresses in use on partner server",
|
||||||
nil,
|
[]string{"scope"},
|
||||||
)
|
nil,
|
||||||
c.informsTotal = prometheus.NewDesc(
|
)
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "informs_total"),
|
|
||||||
"Total DHCP Informs received by the DHCP server (InformsTotal)",
|
c.scopeAddressesInUseOnThisServerTotal = prometheus.NewDesc(
|
||||||
nil,
|
prometheus.BuildFQName(types.Namespace, Name, "scope_addresses_in_use_on_this_server"),
|
||||||
nil,
|
"DHCP Scope addresses in use on this server",
|
||||||
)
|
[]string{"scope"},
|
||||||
c.acksTotal = prometheus.NewDesc(
|
nil,
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "acks_total"),
|
)
|
||||||
"Total DHCP Acks sent by the DHCP server (AcksTotal)",
|
|
||||||
nil,
|
c.scopePendingOffersTotal = prometheus.NewDesc(
|
||||||
nil,
|
prometheus.BuildFQName(types.Namespace, Name, "scope_pending_offers"),
|
||||||
)
|
"DHCP Scope pending offers",
|
||||||
c.nACKsTotal = prometheus.NewDesc(
|
[]string{"scope"},
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "nacks_total"),
|
nil,
|
||||||
"Total DHCP Nacks sent by the DHCP server (NacksTotal)",
|
)
|
||||||
nil,
|
|
||||||
nil,
|
c.scopeReservedAddressTotal = prometheus.NewDesc(
|
||||||
)
|
prometheus.BuildFQName(types.Namespace, Name, "scope_reserved_address"),
|
||||||
c.declinesTotal = prometheus.NewDesc(
|
"DHCP Scope reserved addresses",
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "declines_total"),
|
[]string{"scope"},
|
||||||
"Total DHCP Declines received by the DHCP server (DeclinesTotal)",
|
nil,
|
||||||
nil,
|
)
|
||||||
nil,
|
}
|
||||||
)
|
|
||||||
c.releasesTotal = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "releases_total"),
|
|
||||||
"Total DHCP Releases received by the DHCP server (ReleasesTotal)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.offerQueueLength = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "offer_queue_length"),
|
|
||||||
"Number of packets in the offer queue of the DHCP server (OfferQueueLength)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.deniedDueToMatch = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "denied_due_to_match_total"),
|
|
||||||
"Total number of DHCP requests denied, based on matches from the Deny list (DeniedDueToMatch)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.deniedDueToNonMatch = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "denied_due_to_nonmatch_total"),
|
|
||||||
"Total number of DHCP requests denied, based on non-matches from the Allow list (DeniedDueToNonMatch)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverBndUpdSentTotal = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_sent_total"),
|
|
||||||
"Number of DHCP fail over Binding Update messages sent (FailoverBndupdSentTotal)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverBndUpdReceivedTotal = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_received_total"),
|
|
||||||
"Number of DHCP fail over Binding Update messages received (FailoverBndupdReceivedTotal)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverBndAckSentTotal = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_bndack_sent_total"),
|
|
||||||
"Number of DHCP fail over Binding Ack messages sent (FailoverBndackSentTotal)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverBndAckReceivedTotal = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_bndack_received_total"),
|
|
||||||
"Number of DHCP fail over Binding Ack messages received (FailoverBndackReceivedTotal)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverBndUpdPendingOutboundQueue = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_pending_in_outbound_queue"),
|
|
||||||
"Number of pending outbound DHCP fail over Binding Update messages (FailoverBndupdPendingOutboundQueue)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverTransitionsCommunicationInterruptedState = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_communicationinterrupted_state_total"),
|
|
||||||
"Total number of transitions into COMMUNICATION INTERRUPTED state (FailoverTransitionsCommunicationinterruptedState)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverTransitionsPartnerDownState = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_partnerdown_state_total"),
|
|
||||||
"Total number of transitions into PARTNER DOWN state (FailoverTransitionsPartnerdownState)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverTransitionsRecoverState = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_transitions_recover_total"),
|
|
||||||
"Total number of transitions into RECOVER state (FailoverTransitionsRecoverState)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
c.failoverBndUpdDropped = prometheus.NewDesc(
|
|
||||||
prometheus.BuildFQName(types.Namespace, Name, "failover_bndupd_dropped_total"),
|
|
||||||
"Total number of DHCP fail over Binding Updates dropped (FailoverBndupdDropped)",
|
|
||||||
nil,
|
|
||||||
nil,
|
|
||||||
)
|
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
|
func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
|
||||||
|
var errs []error
|
||||||
|
|
||||||
|
if slices.Contains(c.config.CollectorsEnabled, subCollectorServerMetrics) {
|
||||||
|
if err := c.collectServerMetrics(ch); err != nil {
|
||||||
|
errs = append(errs, err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if slices.Contains(c.config.CollectorsEnabled, subCollectorScopeMetrics) {
|
||||||
|
if err := c.collectScopeMetrics(ch); err != nil {
|
||||||
|
errs = append(errs, err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return errors.Join(errs...)
|
||||||
|
}
|
||||||
|
|
||||||
|
func (c *Collector) collectServerMetrics(ch chan<- prometheus.Metric) error {
|
||||||
err := c.perfDataCollector.Collect(&c.perfDataObject)
|
err := c.perfDataCollector.Collect(&c.perfDataObject)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return fmt.Errorf("failed to collect DHCP Server metrics: %w", err)
|
return fmt.Errorf("failed to collect DHCP Server metrics: %w", err)
|
||||||
@@ -413,3 +557,113 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
|
|||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func (c *Collector) collectScopeMetrics(ch chan<- prometheus.Metric) error {
|
||||||
|
dhcpScopes, err := dhcpsapi.GetDHCPV4ScopeStatistics()
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("failed to get DHCP scopes: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
for _, scope := range dhcpScopes {
|
||||||
|
scopeID := scope.ScopeIPAddress.String()
|
||||||
|
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeInfo,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
1,
|
||||||
|
scope.Name,
|
||||||
|
scope.SuperScopeName,
|
||||||
|
strconv.Itoa(int(scope.SuperScopeNumber)),
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
|
||||||
|
for state, name := range dhcpsapi.DHCP_SUBNET_STATE_NAMES {
|
||||||
|
metric := 0.0
|
||||||
|
if state == scope.State {
|
||||||
|
metric = 1.0
|
||||||
|
}
|
||||||
|
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeState,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
metric,
|
||||||
|
scopeID,
|
||||||
|
name,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.AddressesFree != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeAddressesFreeTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.AddressesFree,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.AddressesFreeOnPartnerServer != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeAddressesFreeOnPartnerServerTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.AddressesFreeOnPartnerServer,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.AddressesFreeOnThisServer != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeAddressesFreeOnThisServerTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.AddressesFreeOnThisServer,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.AddressesInUse != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeAddressesInUseTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.AddressesInUse,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.AddressesInUseOnPartnerServer != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeAddressesInUseOnPartnerServerTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.AddressesInUseOnPartnerServer,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.AddressesInUseOnThisServer != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeAddressesInUseOnThisServerTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.AddressesInUseOnThisServer,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.PendingOffers != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopePendingOffersTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.PendingOffers,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
if scope.ReservedAddress != -1 {
|
||||||
|
ch <- prometheus.MustNewConstMetric(
|
||||||
|
c.scopeReservedAddressTotal,
|
||||||
|
prometheus.GaugeValue,
|
||||||
|
scope.ReservedAddress,
|
||||||
|
scopeID,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|||||||
214
internal/headers/dhcpsapi/dhcpsapi.go
Normal file
214
internal/headers/dhcpsapi/dhcpsapi.go
Normal file
@@ -0,0 +1,214 @@
|
|||||||
|
package dhcpsapi
|
||||||
|
|
||||||
|
import (
|
||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
"net"
|
||||||
|
"unsafe"
|
||||||
|
|
||||||
|
"golang.org/x/sys/windows"
|
||||||
|
)
|
||||||
|
|
||||||
|
//nolint:gochecknoglobals
|
||||||
|
var (
|
||||||
|
modDhcpServer = windows.NewLazySystemDLL("dhcpsapi.dll")
|
||||||
|
procDhcpGetSubnetInfo = modDhcpServer.NewProc("DhcpGetSubnetInfo")
|
||||||
|
procDhcpGetSuperScopeInfoV4 = modDhcpServer.NewProc("DhcpGetSuperScopeInfoV4")
|
||||||
|
procDhcpRpcFreeMemory = modDhcpServer.NewProc("DhcpRpcFreeMemory")
|
||||||
|
procDhcpV4EnumSubnetReservations = modDhcpServer.NewProc("DhcpV4EnumSubnetReservations")
|
||||||
|
procDhcpV4FailoverGetScopeStatistics = modDhcpServer.NewProc("DhcpV4FailoverGetScopeStatistics")
|
||||||
|
procDhcpGetMibInfoV5 = modDhcpServer.NewProc("DhcpGetMibInfoV5")
|
||||||
|
)
|
||||||
|
|
||||||
|
func GetDHCPV4ScopeStatistics() ([]DHCPV4Scope, error) {
|
||||||
|
var mibInfo *DHCP_MIB_INFO_V5
|
||||||
|
|
||||||
|
if err := dhcpGetMibInfoV5(&mibInfo); err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
defer dhcpRpcFreeMemory(unsafe.Pointer(mibInfo))
|
||||||
|
|
||||||
|
subnetScopeInfos := make(map[DHCP_IP_ADDRESS]DHCP_SUBNET_MIB_INFO_V5, mibInfo.Scopes)
|
||||||
|
subnetMIBScopeInfos := unsafe.Slice(mibInfo.ScopeInfo, mibInfo.Scopes)
|
||||||
|
|
||||||
|
for _, subnetMIBScopeInfo := range subnetMIBScopeInfos {
|
||||||
|
subnetScopeInfos[subnetMIBScopeInfo.Subnet] = subnetMIBScopeInfo
|
||||||
|
}
|
||||||
|
|
||||||
|
var superScopeTable *DHCP_SUPER_SCOPE_TABLE
|
||||||
|
|
||||||
|
if err := dhcpGetSuperScopeInfoV4(&superScopeTable); err != nil {
|
||||||
|
return nil, err
|
||||||
|
} else if superScopeTable == nil {
|
||||||
|
return nil, errors.New("dhcpGetSuperScopeInfoV4 returned nil")
|
||||||
|
}
|
||||||
|
|
||||||
|
defer dhcpRpcFreeMemory(unsafe.Pointer(superScopeTable))
|
||||||
|
|
||||||
|
scopes := make([]DHCPV4Scope, 0, superScopeTable.Count)
|
||||||
|
subnets := unsafe.Slice(superScopeTable.Entries, superScopeTable.Count)
|
||||||
|
|
||||||
|
var errs []error
|
||||||
|
|
||||||
|
for _, subnet := range subnets {
|
||||||
|
if err := (func() error {
|
||||||
|
var subnetInfo *DHCP_SUBNET_INFO
|
||||||
|
err := dhcpGetSubnetInfo(subnet.SubnetAddress, &subnetInfo)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("failed to get subnet info: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
defer dhcpRpcFreeMemory(unsafe.Pointer(subnetInfo))
|
||||||
|
|
||||||
|
scope := DHCPV4Scope{
|
||||||
|
Name: subnetInfo.SubnetName.String(),
|
||||||
|
SuperScopeName: subnet.SuperScopeName.String(),
|
||||||
|
ScopeIPAddress: net.IPNet{IP: subnetInfo.SubnetAddress.IPv4(), Mask: subnetInfo.SubnetMask.IPv4Mask()},
|
||||||
|
SuperScopeNumber: subnet.SuperScopeNumber,
|
||||||
|
State: subnetInfo.SubnetState,
|
||||||
|
|
||||||
|
AddressesFree: -1,
|
||||||
|
AddressesFreeOnPartnerServer: -1,
|
||||||
|
AddressesFreeOnThisServer: -1,
|
||||||
|
AddressesInUse: -1,
|
||||||
|
AddressesInUseOnPartnerServer: -1,
|
||||||
|
AddressesInUseOnThisServer: -1,
|
||||||
|
PendingOffers: -1,
|
||||||
|
ReservedAddress: -1,
|
||||||
|
}
|
||||||
|
|
||||||
|
if subnetScopeInfo, ok := subnetScopeInfos[subnetInfo.SubnetAddress]; ok {
|
||||||
|
scope.AddressesInUse = float64(subnetScopeInfo.NumAddressesInUse)
|
||||||
|
scope.AddressesFree = float64(subnetScopeInfo.NumAddressesFree)
|
||||||
|
scope.PendingOffers = float64(subnetScopeInfo.NumPendingOffers)
|
||||||
|
}
|
||||||
|
|
||||||
|
subnetReservationCount, err := dhcpV4EnumSubnetReservations(subnet.SubnetAddress)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("failed to get subnet reservation count: %w", err)
|
||||||
|
} else {
|
||||||
|
scope.ReservedAddress = float64(subnetReservationCount)
|
||||||
|
}
|
||||||
|
|
||||||
|
var subnetStatistics *DHCP_FAILOVER_STATISTICS
|
||||||
|
err = dhcpV4FailoverGetScopeStatistics(subnet.SubnetAddress, &subnetStatistics)
|
||||||
|
|
||||||
|
defer dhcpRpcFreeMemory(unsafe.Pointer(subnetStatistics))
|
||||||
|
|
||||||
|
if err == nil {
|
||||||
|
scope.AddressesFree = float64(subnetStatistics.AddrFree)
|
||||||
|
scope.AddressesInUse = float64(subnetStatistics.AddrInUse)
|
||||||
|
scope.AddressesFreeOnPartnerServer = float64(subnetStatistics.PartnerAddrFree)
|
||||||
|
scope.AddressesInUseOnPartnerServer = float64(subnetStatistics.PartnerAddrInUse)
|
||||||
|
scope.AddressesFreeOnThisServer = float64(subnetStatistics.ThisAddrFree)
|
||||||
|
scope.AddressesInUseOnThisServer = float64(subnetStatistics.ThisAddrInUse)
|
||||||
|
} else if !errors.Is(err, ERROR_DHCP_FO_SCOPE_NOT_IN_RELATIONSHIP) {
|
||||||
|
return fmt.Errorf("failed to get subnet statistics: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
scopes = append(scopes, scope)
|
||||||
|
|
||||||
|
return nil
|
||||||
|
})(); err != nil {
|
||||||
|
errs = append(errs, err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return scopes, errors.Join(errs...)
|
||||||
|
}
|
||||||
|
|
||||||
|
// dhcpGetSubnetInfo https://learn.microsoft.com/en-us/windows/win32/api/dhcpsapi/nf-dhcpsapi-dhcpgetsubnetinfo
|
||||||
|
func dhcpGetSubnetInfo(subnetAddress DHCP_IP_ADDRESS, subnetInfo **DHCP_SUBNET_INFO) error {
|
||||||
|
ret, _, _ := procDhcpGetSubnetInfo.Call(
|
||||||
|
0,
|
||||||
|
uintptr(subnetAddress),
|
||||||
|
uintptr(unsafe.Pointer(subnetInfo)),
|
||||||
|
)
|
||||||
|
|
||||||
|
if ret != 0 {
|
||||||
|
return fmt.Errorf("dhcpGetSubnetInfo failed with code %w", windows.Errno(ret))
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// dhcpV4FailoverGetScopeStatistics https://learn.microsoft.com/en-us/windows/win32/api/dhcpsapi/nf-dhcpsapi-dhcpv4failovergetscopestatistics
|
||||||
|
func dhcpV4FailoverGetScopeStatistics(scopeId DHCP_IP_ADDRESS, stats **DHCP_FAILOVER_STATISTICS) error {
|
||||||
|
ret, _, _ := procDhcpV4FailoverGetScopeStatistics.Call(
|
||||||
|
0,
|
||||||
|
uintptr(scopeId),
|
||||||
|
uintptr(unsafe.Pointer(stats)),
|
||||||
|
)
|
||||||
|
|
||||||
|
if ret != 0 {
|
||||||
|
return fmt.Errorf("dhcpV4FailoverGetScopeStatistics failed with code %w", windows.Errno(ret))
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// dhcpGetSuperScopeInfoV4 https://learn.microsoft.com/en-us/windows/win32/api/dhcpsapi/nf-dhcpsapi-dhcpgetsuperscopeinfov4
|
||||||
|
func dhcpGetSuperScopeInfoV4(superScopeTable **DHCP_SUPER_SCOPE_TABLE) error {
|
||||||
|
ret, _, _ := procDhcpGetSuperScopeInfoV4.Call(
|
||||||
|
0,
|
||||||
|
uintptr(unsafe.Pointer(superScopeTable)),
|
||||||
|
)
|
||||||
|
|
||||||
|
if ret != 0 {
|
||||||
|
return fmt.Errorf("dhcpGetSuperScopeInfoV4 failed with code %w", windows.Errno(ret))
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// dhcpGetMibInfoV5 https://learn.microsoft.com/en-us/windows/win32/api/dhcpsapi/nf-dhcpsapi-dhcpgetmibinfov5
|
||||||
|
func dhcpGetMibInfoV5(mibInfo **DHCP_MIB_INFO_V5) error {
|
||||||
|
ret, _, _ := procDhcpGetMibInfoV5.Call(
|
||||||
|
0,
|
||||||
|
uintptr(unsafe.Pointer(mibInfo)),
|
||||||
|
)
|
||||||
|
|
||||||
|
if ret != 0 {
|
||||||
|
return fmt.Errorf("dhcpGetMibInfoV5 failed with code %w", windows.Errno(ret))
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// dhcpV4EnumSubnetReservations https://learn.microsoft.com/en-us/windows/win32/api/dhcpsapi/nf-dhcpsapi-dhcpv4enumsubnetreservations
|
||||||
|
func dhcpV4EnumSubnetReservations(subnetAddress DHCP_IP_ADDRESS) (uint32, error) {
|
||||||
|
var (
|
||||||
|
elementsRead uint32
|
||||||
|
elementsTotal uint32
|
||||||
|
elementsInfo uintptr
|
||||||
|
resumeHandle *windows.Handle
|
||||||
|
)
|
||||||
|
|
||||||
|
ret, _, _ := procDhcpV4EnumSubnetReservations.Call(
|
||||||
|
0,
|
||||||
|
uintptr(subnetAddress),
|
||||||
|
uintptr(unsafe.Pointer(&resumeHandle)),
|
||||||
|
0,
|
||||||
|
uintptr(unsafe.Pointer(&elementsInfo)),
|
||||||
|
uintptr(unsafe.Pointer(&elementsRead)),
|
||||||
|
uintptr(unsafe.Pointer(&elementsTotal)),
|
||||||
|
)
|
||||||
|
|
||||||
|
dhcpRpcFreeMemory(unsafe.Pointer(elementsInfo))
|
||||||
|
|
||||||
|
if !errors.Is(windows.Errno(ret), windows.ERROR_MORE_DATA) && !errors.Is(windows.Errno(ret), windows.ERROR_NO_MORE_ITEMS) {
|
||||||
|
return 0, fmt.Errorf("dhcpV4EnumSubnetReservations failed with code %w", windows.Errno(ret))
|
||||||
|
}
|
||||||
|
|
||||||
|
return elementsRead + elementsTotal, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func dhcpRpcFreeMemory(pointer unsafe.Pointer) {
|
||||||
|
if uintptr(pointer) == 0 {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
//nolint:dogsled
|
||||||
|
_, _, _ = procDhcpRpcFreeMemory.Call(uintptr(pointer))
|
||||||
|
}
|
||||||
24
internal/headers/dhcpsapi/dhcpsapi_test.go
Normal file
24
internal/headers/dhcpsapi/dhcpsapi_test.go
Normal file
@@ -0,0 +1,24 @@
|
|||||||
|
package dhcpsapi
|
||||||
|
|
||||||
|
import (
|
||||||
|
"errors"
|
||||||
|
"testing"
|
||||||
|
|
||||||
|
"github.com/stretchr/testify/require"
|
||||||
|
"golang.org/x/sys/windows"
|
||||||
|
)
|
||||||
|
|
||||||
|
func TestGetDHCPV4ScopeStatistics(t *testing.T) {
|
||||||
|
t.Parallel()
|
||||||
|
|
||||||
|
if procDhcpGetSuperScopeInfoV4.Find() != nil {
|
||||||
|
t.Skip("DhcpGetSuperScopeInfoV4 is not available")
|
||||||
|
}
|
||||||
|
|
||||||
|
_, err := GetDHCPV4ScopeStatistics()
|
||||||
|
if errors.Is(err, windows.Errno(1753)) {
|
||||||
|
t.Skip(err.Error())
|
||||||
|
}
|
||||||
|
|
||||||
|
require.NoError(t, err)
|
||||||
|
}
|
||||||
137
internal/headers/dhcpsapi/types.go
Normal file
137
internal/headers/dhcpsapi/types.go
Normal file
@@ -0,0 +1,137 @@
|
|||||||
|
package dhcpsapi
|
||||||
|
|
||||||
|
import (
|
||||||
|
"encoding/binary"
|
||||||
|
"net"
|
||||||
|
|
||||||
|
"github.com/prometheus-community/windows_exporter/internal/headers/win32api"
|
||||||
|
"golang.org/x/sys/windows"
|
||||||
|
)
|
||||||
|
|
||||||
|
//nolint:gochecknoglobals
|
||||||
|
var ERROR_DHCP_FO_SCOPE_NOT_IN_RELATIONSHIP = windows.Errno(20116)
|
||||||
|
|
||||||
|
type DHCPV4Scope struct {
|
||||||
|
Name string
|
||||||
|
State DHCP_SUBNET_STATE
|
||||||
|
SuperScopeName string
|
||||||
|
SuperScopeNumber uint32
|
||||||
|
ScopeIPAddress net.IPNet
|
||||||
|
|
||||||
|
AddressesFree float64
|
||||||
|
AddressesFreeOnPartnerServer float64
|
||||||
|
AddressesFreeOnThisServer float64
|
||||||
|
AddressesInUse float64
|
||||||
|
AddressesInUseOnPartnerServer float64
|
||||||
|
AddressesInUseOnThisServer float64
|
||||||
|
PendingOffers float64
|
||||||
|
ReservedAddress float64
|
||||||
|
}
|
||||||
|
|
||||||
|
type (
|
||||||
|
DHCP_IP_ADDRESS win32api.DWORD
|
||||||
|
DHCP_IP_MASK win32api.DWORD
|
||||||
|
)
|
||||||
|
|
||||||
|
func (ip DHCP_IP_ADDRESS) IPv4() net.IP {
|
||||||
|
ipBytes := make([]byte, 4)
|
||||||
|
|
||||||
|
binary.BigEndian.PutUint32(ipBytes, uint32(ip))
|
||||||
|
|
||||||
|
return ipBytes
|
||||||
|
}
|
||||||
|
|
||||||
|
func (ip DHCP_IP_MASK) IPv4Mask() net.IPMask {
|
||||||
|
ipBytes := make([]byte, 4)
|
||||||
|
|
||||||
|
binary.BigEndian.PutUint32(ipBytes, uint32(ip))
|
||||||
|
|
||||||
|
return ipBytes
|
||||||
|
}
|
||||||
|
|
||||||
|
type DHCP_SUPER_SCOPE_TABLE struct {
|
||||||
|
Count win32api.DWORD
|
||||||
|
Entries *DHCP_SUPER_SCOPE_TABLE_ENTRY
|
||||||
|
}
|
||||||
|
|
||||||
|
type DHCP_SUPER_SCOPE_TABLE_ENTRY struct {
|
||||||
|
SubnetAddress DHCP_IP_ADDRESS
|
||||||
|
SuperScopeNumber win32api.DWORD
|
||||||
|
NextInSuperScope win32api.DWORD
|
||||||
|
SuperScopeName win32api.LPWSTR
|
||||||
|
}
|
||||||
|
|
||||||
|
// DHCP_SUBNET_INFO https://learn.microsoft.com/de-de/windows/win32/api/dhcpsapi/ns-dhcpsapi-dhcp_subnet_info
|
||||||
|
type DHCP_SUBNET_INFO struct {
|
||||||
|
SubnetAddress DHCP_IP_ADDRESS
|
||||||
|
SubnetMask DHCP_IP_MASK
|
||||||
|
SubnetName win32api.LPWSTR
|
||||||
|
SubnetComment win32api.LPWSTR
|
||||||
|
PrimaryHost DHCP_HOST_INFO
|
||||||
|
SubnetState DHCP_SUBNET_STATE
|
||||||
|
}
|
||||||
|
|
||||||
|
type DHCP_HOST_INFO struct {
|
||||||
|
IpAddress DHCP_IP_ADDRESS
|
||||||
|
NetBiosName win32api.LPWSTR
|
||||||
|
HostName win32api.LPWSTR
|
||||||
|
}
|
||||||
|
|
||||||
|
// DHCP_SUBNET_STATE https://learn.microsoft.com/de-de/windows/win32/api/dhcpsapi/ne-dhcpsapi-dhcp_subnet_state
|
||||||
|
type DHCP_SUBNET_STATE uint32
|
||||||
|
|
||||||
|
const (
|
||||||
|
DhcpSubnetEnabled DHCP_SUBNET_STATE = 0
|
||||||
|
DhcpSubnetDisabled DHCP_SUBNET_STATE = 1
|
||||||
|
DhcpSubnetEnabledSwitched DHCP_SUBNET_STATE = 2
|
||||||
|
DhcpSubnetDisabledSwitched DHCP_SUBNET_STATE = 3
|
||||||
|
DhcpSubnetInvalidState DHCP_SUBNET_STATE = 4
|
||||||
|
)
|
||||||
|
|
||||||
|
//nolint:gochecknoglobals
|
||||||
|
var DHCP_SUBNET_STATE_NAMES = map[DHCP_SUBNET_STATE]string{
|
||||||
|
DhcpSubnetEnabled: "Enabled",
|
||||||
|
DhcpSubnetDisabled: "Disabled",
|
||||||
|
DhcpSubnetEnabledSwitched: "EnabledSwitched",
|
||||||
|
DhcpSubnetDisabledSwitched: "DisabledSwitched",
|
||||||
|
DhcpSubnetInvalidState: "InvalidState",
|
||||||
|
}
|
||||||
|
|
||||||
|
type DHCP_FAILOVER_STATISTICS struct {
|
||||||
|
NumAddr win32api.DWORD
|
||||||
|
AddrFree win32api.DWORD
|
||||||
|
AddrInUse win32api.DWORD
|
||||||
|
PartnerAddrFree win32api.DWORD
|
||||||
|
ThisAddrFree win32api.DWORD
|
||||||
|
PartnerAddrInUse win32api.DWORD
|
||||||
|
ThisAddrInUse win32api.DWORD
|
||||||
|
}
|
||||||
|
|
||||||
|
type DHCP_MIB_INFO_V5 struct {
|
||||||
|
Discovers win32api.DWORD
|
||||||
|
Offers win32api.DWORD
|
||||||
|
Requests win32api.DWORD
|
||||||
|
Acks win32api.DWORD
|
||||||
|
Naks win32api.DWORD
|
||||||
|
Declines win32api.DWORD
|
||||||
|
Releases win32api.DWORD
|
||||||
|
ServerStartTime win32api.DATE_TIME
|
||||||
|
QtnNumLeases win32api.DWORD
|
||||||
|
QtnPctQtnLeases win32api.DWORD
|
||||||
|
QtnProbationLeases win32api.DWORD
|
||||||
|
QtnNonQtnLeases win32api.DWORD
|
||||||
|
QtnExemptLeases win32api.DWORD
|
||||||
|
QtnCapableClients win32api.DWORD
|
||||||
|
QtnIASErrors win32api.DWORD
|
||||||
|
DelayedOffers win32api.DWORD
|
||||||
|
ScopesWithDelayedOffers win32api.DWORD
|
||||||
|
Scopes win32api.DWORD
|
||||||
|
ScopeInfo *DHCP_SUBNET_MIB_INFO_V5
|
||||||
|
}
|
||||||
|
|
||||||
|
type DHCP_SUBNET_MIB_INFO_V5 struct {
|
||||||
|
Subnet DHCP_IP_ADDRESS
|
||||||
|
NumAddressesInUse win32api.DWORD
|
||||||
|
NumAddressesFree win32api.DWORD
|
||||||
|
NumPendingOffers win32api.DWORD
|
||||||
|
}
|
||||||
15
internal/headers/win32api/types.go
Normal file
15
internal/headers/win32api/types.go
Normal file
@@ -0,0 +1,15 @@
|
|||||||
|
package win32api
|
||||||
|
|
||||||
|
import "golang.org/x/sys/windows"
|
||||||
|
|
||||||
|
type (
|
||||||
|
DATE_TIME = windows.Filetime
|
||||||
|
DWORD = uint32
|
||||||
|
LPWSTR struct {
|
||||||
|
*uint16
|
||||||
|
}
|
||||||
|
)
|
||||||
|
|
||||||
|
func (s LPWSTR) String() string {
|
||||||
|
return windows.UTF16PtrToString(s.uint16)
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user