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On prend en compte la gnration concurrente de dn. Certes, c'est moche.

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a vite d'utiliser des locks.

darcs-hash:20060907220034-68412-bc06d68a2abdaaa5e31690f9a67d2c334e303807.gz
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glondu 2006-09-08 00:00:34 +02:00
parent 9ad806c9f3
commit 5087b93dbd
1 changed files with 35 additions and 23 deletions
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56
gestion/ldap_crans.py
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@ -16,6 +16,7 @@ import ldap, ldap.modlist, ldap_passwd
import config, annuaires, iptools, chgpass, user_tests, cPickle, config_mail
from chgpass import chgpass
from affich_tools import coul, prompt
from syslog import *
date_format = '%d/%m/%Y %H:%M'
hostname = gethostname().split(".")[0]
@ -1124,30 +1125,41 @@ class BaseClasseCrans(CransLdap):
if not self._init_data:
### Nouvel enregistrement
# Génération du dn
res = self.conn.search_s(self.base_dn, 2, self.filtre_idn)
vidn = 1
vidns = []
# Liste des dn pris
for r in res:
# r = ( dn, {} )
r = r[0].split(',')[0]
if r[:4] != '%s=' % self.idn: continue
vidns.append(int(r[4:]))
if self.idn=='fid':
# Pour une facture on prend un nouveau numéro
vidn = max([0]+vidns)+1
else:
# Sinon on prend le premier libre
while vidn in vidns:
vidn += 1
# L'enregistrement peut échouer en cas de choix de dn concurrents
# (il n'y a pas de lock sur les dn)
for i in range(0, 5): # 5 tentatives
# Génération du dn
res = self.conn.search_s(self.base_dn, 2, self.filtre_idn)
vidn = 1
vidns = []
# Liste des dn pris
for r in res:
# r = ( dn, {} )
r = r[0].split(',')[0]
if r[:4] != '%s=' % self.idn: continue
vidns.append(int(r[4:]))
if self.idn=='fid':
# Pour une facture on prend un nouveau numéro
vidn = max([0]+vidns)+1
else:
# Sinon on prend le premier libre
while vidn in vidns:
vidn += 1
self.dn = '%s=%s,%s' % (self.idn, vidn, self.dn)
self._data[self.idn]= [ '%d' % vidn ]
self.dn = '%s=%s,%s' % (self.idn, vidn, self.dn)
self._data[self.idn]= [ '%d' % vidn ]
try:
# Ecriture
modlist = ldap.modlist.addModlist(self._data)
self.conn.add_s(self.dn, modlist)
break
except e:
# On logge
syslog("ldap_crans: exception: %s" % e)
if i == 4:
raise
# Ecriture
modlist = ldap.modlist.addModlist(self._data)
self.conn.add_s(self.dn, modlist)
else:
### Modification entrée
if not self._modifiable: