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# -*- text -*-
#
# ippool/mysql/queries.conf -- MySQL queries for rlm_sqlippool
#
# $Id$
# Using SKIP LOCKED speeds up selection queries
# However, it requires MySQL >= 8.0.1 or MariaDB >= 10.6.
# Uncomment the following if you are running a suitable
# version of MySQL
#
#skip_locked = "SKIP LOCKED"
skip_locked = ""
#
# This series of queries allocates an IP address
#
#
# Attempt to allocate the address a client previously had. This is based on pool_key
# and nasipaddress. Change the criteria if the identifier for "stickyness" is different.
# If different criteria are used, check the indexes on the IP pool table to ensure the fields
# are appropriately indexed. To disable stickyness comment out this query.
#
allocate_existing = "\
SELECT framedipaddress FROM ${ippool_table} \
WHERE pool_name = '%{control:${pool_name}}' \
AND nasipaddress = '%{NAS-IP-Address}' AND pool_key = '${pool_key}' \
ORDER BY expiry_time DESC \
LIMIT 1 \
FOR UPDATE ${skip_locked}"
#
# Find a free IP address from the pool, choosing the oldest expired one.
#
allocate_find = "\
SELECT framedipaddress FROM ${ippool_table} \
WHERE pool_name = '%{control:${pool_name}}' \
AND expiry_time < NOW() \
ORDER BY expiry_time \
LIMIT 1 \
FOR UPDATE ${skip_locked}"
#
# If you prefer to allocate a random IP address every time, use this query instead.
# Note: This is very slow if you have a lot of free IPs.
#
#allocate_find = "\
# SELECT framedipaddress FROM ${ippool_table} \
# WHERE pool_name = '%{control:${pool_name}}' \
# AND expiry_time < NOW() \
# ORDER BY \
# RAND() \
# LIMIT 1 \
# FOR UPDATE ${skip_locked}"
#
# If an IP could not be allocated, check to see if the pool exists or not
# This allows the module to differentiate between a full pool and no pool
# Note: If you are not running redundant pool modules this query may be
# commented out to save running this query every time an ip is not allocated.
#
pool_check = "\
SELECT id \
FROM ${ippool_table} \
WHERE pool_name='%{control:${pool_name}}' \
LIMIT 1"
#
# This is the final IP Allocation query, which saves the allocated ip details.
#
allocate_update = "\
UPDATE ${ippool_table} \
SET \
nasipaddress = '%{NAS-IP-Address}', pool_key = '${pool_key}', \
callingstationid = '%{Calling-Station-Id}', \
username = '%{User-Name}', expiry_time = NOW() + INTERVAL ${lease_duration} SECOND \
WHERE framedipaddress = '%I'"
#
# Use a stored procedure to find AND allocate the address. Read and customise
# `procedure.sql` in this directory to determine the optimal configuration.
#
#allocate_begin = ""
#allocate_find = "\
# CALL fr_allocate_previous_or_new_framedipaddress( \
# '%{control:${pool_name}}', \
# '%{User-Name}', \
# '%{Calling-Station-Id}', \
# '%{Called-Station-Id}', \
# '%{NAS-IP-Address}', \
# '${pool_key}', \
# ${lease_duration} \
# )"
#allocate_update = ""
#allocate_commit = ""
#
# This series of queries frees an IP number when an accounting START record arrives.
#
start_update = "\
UPDATE ${ippool_table} \
SET \
expiry_time = NOW() + INTERVAL ${lease_duration} SECOND \
WHERE nasipaddress = '%{NAS-IP-Address}' \
AND pool_key = '${pool_key}' \
AND username = '%{User-Name}' \
AND callingstationid = '%{Calling-Station-Id}' \
AND framedipaddress = '%{${attribute_name}}'"
#
# This query expires an IP number when an accounting STOP record arrives.
#
stop_clear = "\
UPDATE ${ippool_table} \
SET \
expiry_time = NOW() \
WHERE nasipaddress = '%{%{Nas-IP-Address}:-%{Nas-IPv6-Address}}' \
AND pool_key = '${pool_key}' \
AND username = '%{User-Name}' \
AND callingstationid = '%{Calling-Station-Id}' \
AND framedipaddress = '%{${attribute_name}}'"
#
# This series of queries frees an IP number when an accounting ALIVE record arrives.
#
alive_update = "\
UPDATE ${ippool_table} \
SET \
expiry_time = NOW() + INTERVAL ${lease_duration} SECOND \
WHERE nasipaddress = '%{%{Nas-IP-Address}:-%{Nas-IPv6-Address}}' \
AND pool_key = '${pool_key}' \
AND username = '%{User-Name}' \
AND callingstationid = '%{Calling-Station-Id}' \
AND framedipaddress = '%{${attribute_name}}'"
#
# This series of queries expires the IP numbers allocate to a
# NAS when an accounting ON record arrives
#
on_clear = "\
UPDATE ${ippool_table} \
SET \
expiry_time = NOW() \
WHERE nasipaddress = '%{%{Nas-IP-Address}:-%{Nas-IPv6-Address}}'"
#
# This series of queries expires the IP numbers allocate to a
# NAS when an accounting OFF record arrives
#
off_clear = "\
UPDATE ${ippool_table} \
SET \
expiry_time = NOW() \
WHERE nasipaddress = '%{%{Nas-IP-Address}:-%{Nas-IPv6-Address}}'"
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