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[#1336] fixed decrement on both reclaim and release

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This commit is contained in:
Razvan Becheriu 2025-03-10 22:24:45 +02:00
parent ca7e3797d7
commit f44b0ba95c
5 changed files with 182 additions and 64 deletions
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2
doc/sphinx/debug-messages.rst
View File

@ -197,6 +197,8 @@ Messages printed on debuglevel 40
- DHCP6_CLASS_UNCONFIGURED
- DHCP6_DHCP4O6_PACKET_RECEIVED
- DHCP6_FLEX_ID
- DHCP6_HOOK_ADDR6_REGISTER_DROP
- DHCP6_HOOK_ADDR6_REGISTER_SKIP
- DHCP6_HOOK_BUFFER_SEND_SKIP
- DHCP6_HOOK_LEASE6_RELEASE_NA_SKIP
- DHCP6_HOOK_LEASE6_RELEASE_PD_SKIP

234
doc/sphinx/kea-messages.rst
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@ -2859,6 +2859,20 @@ ready status after scheduling asynchronous send. This is programmatic error
that should be reported. The command manager may or may not continue
to operate correctly.
******
CONFIG
******
CONFIG_BACKENDS_REGISTERED
==========================
.. code-block:: text
the following config backend types are available: %1
This informational message lists all possible config backends that could
be used in config-database[s].
****
CTRL
****
@ -5989,6 +6003,28 @@ Logged at debug log level 40.
This debug message informs that a class is listed for additional evaluation but
has no definition. The class is ignored.
DHCP6_ADDR_REG_INFORM_CLIENT_CHANGE
===================================
.. code-block:: text
received an ADDR-REG-INFORM for %1 from client '%2' but the address was registered by another client '%3'
This information message is issued when a lease for another client already
exists for an address being registered. The address, the new client and
previous client identifiers are printed.
DHCP6_ADDR_REG_INFORM_FAIL
==========================
.. code-block:: text
error on ADDR-REG-INFORM from client %1: %2
This information message is issued when the processing of an ADDR-REG-INFORM
message failed. The address of the client, usually also the address to
register, and the description of the problem are printed.
DHCP6_ADD_GLOBAL_STATUS_CODE
============================
@ -6628,6 +6664,32 @@ and the expression specified in its configuration generated (was evaluated to)
an identifier for incoming packet. This debug message is mainly intended as a
debugging assistance for flexible identifier.
DHCP6_HOOK_ADDR6_REGISTER_DROP
==============================
.. code-block:: text
%1: ADDR-REG-INFORM for %2 is dropped, because a callout set the next step to DROP
Logged at debug log level 40.
This debug message is printed when a callout installed on the addr6_register
hook point sets the next step to DROP. For this particular hook point, the
value setting instructs the server to cancel the address registration and
drop the packet.
DHCP6_HOOK_ADDR6_REGISTER_SKIP
==============================
.. code-block:: text
%1: lease %2 operation for %3 is skipped, because a callout set the next step to SKIP
Logged at debug log level 40.
This debug message is printed when a callout installed on the addr6_register
hook point sets the next step to SKIP. For this particular hook point, the
value setting instructs the server to skip the lease add or update operation
for the registered address so not maintaining the registration state.
DHCP6_HOOK_BUFFER_RCVD_DROP
===========================
@ -7716,6 +7778,26 @@ DHCP6_RECLAIM_EXPIRED_LEASES_FAIL
This error message indicates that the reclaim expired leases operation failed
and provides the cause of failure.
DHCP6_REGISTERED_LEASE_ADD_FAIL
===============================
.. code-block:: text
error in registered lease add for %1
This error message indicates that the registered lease add failed and
provides the address being registered.
DHCP6_REGISTERED_LEASE_UPDATE_FAIL
==================================
.. code-block:: text
error in registered lease update for %1: %2
This error message indicates that the registered lease update failed and
provides the registered address and the cause of failure.
DHCP6_RELEASE_NA
================
@ -8748,6 +8830,38 @@ This debug message indicates that the expression of a client class has been
successfully evaluated. The client class name and the result value of the
evaluation are printed.
DHCPSRV_FORENSIC_BACKENDS_REGISTERED
====================================
.. code-block:: text
the following forensic backend types are available: %1
This informational message lists all possible forensic backends that could
be used in forensic logging.
DHCPSRV_FORENSIC_BACKEND_DEREGISTER
===================================
.. code-block:: text
deregistered forensic backend type: %1
Logged at debug log level 40.
This debug message is issued when a backend factory was deregistered.
It is no longer possible to use forensic backend of this type.
DHCPSRV_FORENSIC_BACKEND_REGISTER
=================================
.. code-block:: text
registered forensic backend type: %1
Logged at debug log level 40.
This debug message is issued when a backend factory was successfully
registered. It is now possible to use forensic backend of this type.
DHCPSRV_HOOK_LEASE4_RECOVER_SKIP
================================
@ -16719,18 +16833,6 @@ the store database. The operation started a retry to connect procedure.
The database access string with password redacted is logged, along with the
error and details for the reconnect procedure.
LEGAL_LOG_INVALID_ACCESS
========================
.. code-block:: text
invalid database access string: %1
This is logged when an attempt has been made to parse a database access string
and the attempt ended in error. The access string in question - which
should be of the form 'keyword=value keyword=value...' is included in
the message.
LEGAL_LOG_LEASE4_NO_LEGAL_STORE
===============================
@ -16799,18 +16901,6 @@ The code has issued a commit call. All outstanding transactions will be
committed to the database. Note that depending on the MySQL settings,
the committal may not include a write to disk.
LEGAL_LOG_MYSQL_DB
==================
.. code-block:: text
opening MySQL log database: %1
This informational message is logged when a legal log hook library is
about to open a MySQL log database. The parameters of the
connection including database name and username needed to access it
(but not the password if any) are logged.
LEGAL_LOG_MYSQL_DB_RECONNECT_ATTEMPT_FAILED
===========================================
@ -16873,6 +16963,18 @@ LEGAL_LOG_MYSQL_INSERT_LOG
Logged at debug log level 50.
An informational message logged when a log entry is inserted.
LEGAL_LOG_MYSQL_INVALID_ACCESS
==============================
.. code-block:: text
invalid database access string: %1
This is logged when an attempt has been made to parse a database access string
and the attempt ended in error. The access string in question - which
should be of the form 'keyword=value keyword=value...' is included in
the message.
LEGAL_LOG_MYSQL_NO_TLS
======================
@ -16908,17 +17010,6 @@ inserted into multiple tables with multiple INSERT statements
and there may be a need to rollback the whole transaction if
any of these INSERT statements fail.
LEGAL_LOG_MYSQL_TLS_CIPHER
==========================
.. code-block:: text
TLS cipher: %1
Logged at debug log level 50.
A debug message issued when a new MySQL connected is created with TLS.
The TLS cipher name is logged.
LEGAL_LOG_PGSQL_COMMIT
======================
@ -16930,18 +17021,6 @@ The code has issued a commit call. All outstanding transactions will be
committed to the database. Note that depending on the PostgreSQL settings,
the committal may not include a write to disk.
LEGAL_LOG_PGSQL_DB
==================
.. code-block:: text
opening PostgreSQL log database: %1
This informational message is logged when a legal log hook library is
about to open a PostgreSQL log database. The parameters of the
connection including database name and username needed to access it
(but not the password if any) are logged.
LEGAL_LOG_PGSQL_DB_RECONNECT_ATTEMPT_FAILED
===========================================
@ -16992,7 +17071,7 @@ LEGAL_LOG_PGSQL_FATAL_ERROR
Unrecoverable PostgreSQL error occurred: Statement: <%1>, reason: %2 (error code: %3).
An error message indicating that communication with the MySQL database server
An error message indicating that communication with the PostgreSQL database server
has been lost. When this occurs the server exits immediately with a non-zero
exit code. This is most likely due to a network issue.
@ -17017,6 +17096,18 @@ LEGAL_LOG_PGSQL_INSERT_LOG
Logged at debug log level 50.
An informational message logged when a log entry is inserted.
LEGAL_LOG_PGSQL_INVALID_ACCESS
==============================
.. code-block:: text
invalid database access string: %1
This is logged when an attempt has been made to parse a database access string
and the attempt ended in error. The access string in question - which
should be of the form 'keyword=value keyword=value...' is included in
the message.
LEGAL_LOG_PGSQL_NO_TLS_SUPPORT
==============================
@ -17053,18 +17144,6 @@ inserted into multiple tables with multiple INSERT statements
and there may be a need to rollback the whole transaction if
any of these INSERT statements fail.
LEGAL_LOG_PGSQL_TLS_SUPPORT
===========================
.. code-block:: text
Attempt to configure TLS: %1
This informational message is printed when TLS support was required in
the Kea configuration: The TLS support in PostgreSQL will be initialized but
its configuration is fully managed outside the C API.
The parameters of the connection are logged.
LEGAL_LOG_STORE_CLOSED
======================
@ -17086,6 +17165,17 @@ This is an error message issued when the legal log library experienced an
error attempting to close a legal store. This is highly unlikely to occur and
should not affect the store content or subsequent legal store operations.
LEGAL_LOG_STORE_OPEN
====================
.. code-block:: text
opening Legal Log file: %1
This informational message is logged when a DHCP server (either V4 or
V6) is about to open a legal log file. The parameters of
the backend are logged.
LEGAL_LOG_STORE_OPENED
======================
@ -19549,6 +19639,18 @@ MYSQL_DEINIT_OK
This informational message indicates that the MySQL Backend hooks
library has been unloaded successfully.
MYSQL_FB_DB
===========
.. code-block:: text
opening MySQL log database: %1
This informational message is logged when a legal log hook library is
about to open a MySQL log database. The parameters of the
connection including database name and username needed to access it
(but not the password if any) are logged.
MYSQL_HB_DB
===========
@ -22643,6 +22745,18 @@ PGSQL_DEINIT_OK
This informational message indicates that the PostgreSQL Backend hooks
library has been unloaded successfully.
PGSQL_FB_DB
===========
.. code-block:: text
opening PostgreSQL log database: %1
This informational message is logged when a legal log hook library is
about to open a PostgreSQL log database. The parameters of the
connection including database name and username needed to access it
(but not the password if any) are logged.
PGSQL_HB_DB
===========

2
src/bin/dhcp6/tests/shared_network_unittest.cc
View File

@ -1237,7 +1237,7 @@ public:
/// @param stat_name Name of the statistics to be retrieved, e.g. subnet[1234].assigned-nas.
/// @return Number of assigned leases for a subnet.
int64_t getStatsAssignedLeases(const std::string& stat_name) const {
// Top element is a map with a subnet[id].assigned-addresses parameter.
// Top element is a map with a subnet[id].assigned-nas parameter.
ConstElementPtr top_element = StatsMgr::instance().get(stat_name);
if (top_element && (top_element->getType() == Element::map)) {
// It contains two lists (nested).

2
src/lib/config/base_command_mgr.cc
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@ -143,7 +143,7 @@ BaseCommandMgr::processCommand(const isc::data::ConstElementPtr& cmd) {
// Call callouts
HooksManager::callCallouts(Hooks.hook_index_command_processed_,
*callout_handle);
*callout_handle);
// Refresh the response from the callout context in case it was modified.
// @todo Should we allow this?

6
src/lib/dhcpsrv/alloc_engine.cc
View File

@ -2872,6 +2872,7 @@ AllocEngine::reclaimExpiredLease(const Lease6Ptr& lease,
// it reclaims the lease itself. In this case the reclamation routine
// will not update DNS nor update the database.
bool skipped = false;
bool released = (lease->state_ == Lease::STATE_RELEASED);
if (callout_handle) {
// Use the RAII wrapper to make sure that the callout handle state is
@ -2943,7 +2944,7 @@ AllocEngine::reclaimExpiredLease(const Lease6Ptr& lease,
StatsMgr::instance().addValue("reclaimed-leases", static_cast<int64_t>(1));
// Statistics must have been updated during the release.
if (lease->state_ == Lease::STATE_RELEASED) {
if (released) {
return;
}
@ -3020,6 +3021,7 @@ AllocEngine::reclaimExpiredLease(const Lease4Ptr& lease,
// it reclaims the lease itself. In this case the reclamation routine
// will not update DNS nor update the database.
bool skipped = false;
bool released = (lease->state_ == Lease::STATE_RELEASED);
if (callout_handle) {
// Use the RAII wrapper to make sure that the callout handle state is
@ -3088,7 +3090,7 @@ AllocEngine::reclaimExpiredLease(const Lease4Ptr& lease,
static_cast<int64_t>(1));
// Statistics must have been updated during the release.
if (lease->state_ == Lease4::STATE_RELEASED) {
if (released) {
return;
}