# -*- text -*-
##
## ippool.conf -- MySQL queries for rlm_sqlippool
##
##	$Id$

# ## This series of queries allocates an IP address
# allocate-clear = "UPDATE ${ippool_table} \
#  SET nasipaddress = '', pool_key = 0, \
#  callingstationid = '', username = '', \
#  expiry_time = NULL \
#  WHERE pool_key = '${pool-key}'"

## This series of queries allocates an IP address
## (Note: If your pool-key is set to Calling-Station-Id and not NAS-Port
## then you may wish to delete the "AND nasipaddress = '%{Nas-IP-Address}'
## from the WHERE clause)

 allocate-clear = "UPDATE ${ippool_table} \
  SET nasipaddress = '', pool_key = 0, \
  callingstationid = '', username = '', \
  expiry_time = NULL \
  WHERE expiry_time <= NOW() - INTERVAL 1 SECOND \
  AND nasipaddress = '%{Nas-IP-Address}'"



## The ORDER BY clause of this query tries to allocate the same IP-address
## which user had last session...
allocate-find = "SELECT framedipaddress FROM ${ippool_table} \
 WHERE pool_name = '%{control:Pool-Name}' AND (expiry_time < NOW() OR expiry_time IS NULL) \
 ORDER BY (username <> '%{User-Name}'), \
 (callingstationid <> '%{Calling-Station-Id}'), \
 expiry_time \
 LIMIT 1 \
 FOR UPDATE"

# ## If you prefer to allocate a random IP address every time, i
# ## use this query instead
# allocate-find = "SELECT framedipaddress FROM ${ippool_table} \
#  WHERE pool_name = '%{control:Pool-Name}' \
#  AND expiry_time IS NULL \
#  ORDER BY RAND() \
#  LIMIT 1 \
#  FOR UPDATE"



## 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' AND expiry_time IS NULL"



## 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 = '%{Framed-IP-Address}'"

## This series of queries frees an IP number when an accounting
## STOP record arrives
stop-clear = "UPDATE ${ippool_table} \
 SET nasipaddress = '', pool_key = 0, callingstationid = '', username = '', \
 expiry_time = NULL \
 WHERE nasipaddress = '%{Nas-IP-Address}' AND pool_key = '${pool-key}' \
 AND username = '%{User-Name}' \
 AND callingstationid = '%{Calling-Station-Id}' \
 AND framedipaddress = '%{Framed-IP-Address}'"



## This series of queries frees an IP number when an accounting
## ALIVE record arrives
alive-update = "UPDATE ${ippool_table} \
 SET expiry_time = NOW() + INTERVAL ${lease-duration} SECOND \
 WHERE nasipaddress = '%{Nas-IP-Address}' AND pool_key = '${pool-key}' \
 AND username = '%{User-Name}' \
 AND callingstationid = '%{Calling-Station-Id}' \
 AND framedipaddress = '%{Framed-IP-Address}'"



## This series of queries frees the IP numbers allocate to a
## NAS when an accounting ON record arrives
on-clear = "UPDATE ${ippool_table} \
 SET nasipaddress = '', pool_key = 0, callingstationid = '', username = '', \
 expiry_time = NULL \
 WHERE nasipaddress = '%{Nas-IP-Address}'"

## This series of queries frees the IP numbers allocate to a
## NAS when an accounting OFF record arrives
off-clear = "UPDATE ${ippool_table} \
 SET nasipaddress = '', pool_key = 0, callingstationid = '', username = '', \
 expiry_time = NULL \
 WHERE nasipaddress = '%{Nas-IP-Address}'"

