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import json
import random
import config
import com
import imc.async
from imc.proxy import Proxy
from tojauth import TOJAuth
from asyncdb import AsyncDB
class Data:
def __init__(self,dataid,datatype,source,target,status,data,gid,timestamp):
self.dataid = dataid
self.datatype = datatype
self.source = source
self.target = target
self.status = status
self.data = data
self.gid = gid
def store(self,db):
class DispatchMg:
_accessid = -1
def __init__(self,mod_idendesc,get_link_fn):
self.DATATYPE_CHALLENGE = 1
self.DATATYPE_STATUS = 2
self.DATASTSTUS_PEND = 1
self.DATASTSTUS_WAIT = 2
self.DATASTSTUS_DONE = 3
self._idendesc = mod_idendesc
self.get_link = get_link_fn
self.db = AsyncDB(config.CORE_DBNAME,config.CORE_DBUSER,
config.CORE_DBPASSWORD)
self.collector_namemap = {}
@imc.async.caller
@TOJAuth.check_access(_accessid,TOJAuth.ACCESS_WRITE)
def _add_challenge(self,source,target,data,gid = None):
cur = self.db.cursor()
if gid == None:
gid = com.suid()
cur.execute(('INSERT INTO "DATA_POOL" '
'("datatype","source","target","gid","status","data") '
'VALUES (%s,%s,%s,%s,%s,%s,%s) RETURNING "dataid";'),
(self.DATATYPE_CHALLENGE,source,target,gid,
self.DATASTSTUS_PEND,json.dumps(data,'utf-8')))
if cur.rowcount == 0:
return 'Efailed'
dataid = int(cur.fetchone()[0])
self._dispatch_data(self.DATATYPE_CHALLENGE,gid)
return {'dataid':dataid}
@imc.async.caller
@TOJAuth.check_access(_accessid,TOJAuth.ACCESS_WRITE)
def _add_status(self,source,target,data,gid = None):
cur = self.db.cursor()
cur.execute(('INSERT INTO "DATA_POOL" '
'("datatype","source","target","gid","status","data") '
'VALUES (%s,%s,%s,%s,%s,%s,%s) RETURNING "dataid";'),
(self.DATATYPE_CHALLENGE,source,target,gid,
self.DATASTSTUS_PEND,json.dumps(data,'utf-8')))
if cur.rowcount == 0:
return 'Efailed'
dataid = int(cur.fetchone()[0])
_dispatch_data(datatype,gid)
return {'dataid':dataid}
@imc.async.caller
def _register_challenge_collector(self,name):
link = TOJAuth.get_current_iden()
linkclass = link.split('/')[1]
if linkclass != 'backend':
return 'Efailed'
return self._register_collector(link,''.join(['challenge/',name]))
@imc.async.caller
def _register_status_collector(self,name):
link = TOJAuth.get_current_iden()
linkclass = link.split('/')[1]
if linkclass != 'backend':
return 'Efailed'
return self._register_collector(link,''.join(['status/',name]))
@imc.async.caller
def _unregister_challenge_collector(self,name):
link = TOJAuth.get_current_iden();
linkclass = link.split('/')[1]
if linkclass != 'backend':
return 'Efailed'
return self._unregister_collector(link,''.join(['challenge/',name]))
@imc.async.caller
def _unregister_status_collector(self,name):
link = TOJAuth.get_current_iden();
linkclass = link.split('/')[1]
if linkclass != 'backend':
return 'Efailed'
return self._unregister_collector(link,''.join(['status/',name]))
def _register_collector(self,datatype,link,name):
if datatype == self.DATATYPE_CHALLENGE:
key = 'challenge/' + name
elif datatype == self.DATATYPE_STATUS:
key = 'status/' + name
if key not in self.collector_namemap:
self.collector_namemap[key] = {}
self.collector_namemap[key][link] = {}
cur = db.cursor()
cur.execute('SELECT "dataid","gid" WHERE "target"=%s',
(name))
return 'Success'
def _unregister_collector(self,datatype,link,name):
if datatype == self.DATATYPE_CHALLENGE:
key = 'challenge/' + name
elif datatype == self.DATATYPE_STATUS:
key = 'status/' + name
if key not in self.collector_namemap:
return 'Success'
self.collector_namemap[key].pop(link)
return 'Success'
def _dispatch_data(self,datatype,gid):
def __collector_cb(result):
stat,ret = result
cur = db.cursor()
if stat == False or len(ret) != len(datalist):
cur.execute(('UPDATE "DATA_POOL" SET "status"=%s '
'WHERE "dataid" IN %s'),
(self.DATASTATUS_WAIT,tuple(datalist)))
_dispatch_data(datatype,gid)
return
waitlist = []
donelist = []
for dataid,action in ret:
if action == self.DATASTATUS_WAIT:
waitlist.append(dataid)
else action == self.DATASTATUS_DONE:
donelist.append(dataid)
if len(waitlist) > 0:
cur.execute(('UPDATE "DATA_POOL" SET "status"=%s '
'WHERE "dataid" IN %s'),
(self.DATASTATUS_WAIT,tuple(waitlist)))
if cur.rowcount == 0:
#TODO
raise Exception('dispatch update failed')
if len(donelist) > 0:
cur.execute(('UPDATE "DATA_POOL" SET "status"=%s '
'WHERE "dataid" IN %s'),
(self.DATASTATUS_DONE,tuple(donelist)))
if cur.rowcount == 0:
#TODO
raise Exception('dispatch update failed')
cur = db.cursor()
cur.execute(('SELECT "dataid","source","target","status","data",'
'"timestamp" FROM "DATA_POOL" '
'WHERE "datatype"=%s AND status!=%s AND "gid"=%s '
'ORDER BY "dataid" ASC;'),
(datatype,self.DATASTATUS_DONE,gid))
if cur.rowcount == 0:
return
waitflag = False
datalist = []
for pair in cur:
data = {
'dataid':pair[0],
'datatype':datatype,
'soruce':pair[1],
'target':pair[2],
'status':pair[3],
'data':json.loads(pair[4],'utf-8'),
'timestamp':pair[5]
}
if data['status'] == self.DATASTSTUS_WAIT:
waitflag = True
break
datalist.append(data)
if waitflag == True:
return
target = datalist[0]['target']
last_dataid = datalist[-1]['dataid']
cur.execute(('UPDATE "DATA_POOL" SET "status"=%s '
'WHERE "dataid"<=%s AND '
'"datatype"=%s AND status=%s AND "gid"=%s;'),
(last_dataid,datatype,self.DATASTATUS_WAIT,gid))
if cur.rowcount == 0:
#TODO
raise Exception('dispatch update failed')
if datatype == self.DATATYPE_CHALLENGE:
prefix = 'challenge/'
elif datatype == self.DATATYPE_STATUS:
prefix = 'status/'
links = list(self.collector_namemap[prefix + target].values())
worker_link = links[random.randrange(len(links))]
Proxy.instance.call_async(
''.join([worker_link,'dispatch/collector/',prefix],target,10000,
__collector_cb,datalist)
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