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# -*- coding: utf-8 -*-
# measure_index_times.py
# Copyright (C) 2014 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Measure u1db retrieval times for different u1db index situations.
"""
from __future__ import print_function
from functools import partial
import datetime
import hashlib
import os
import sys
from twisted.internet import defer, reactor
from leap.soledad.common import l2db
from leap.soledad.client import adbapi
from leap.soledad.client._db.sqlcipher import SQLCipherOptions
folder = os.environ.get("TMPDIR", "tmp")
numdocs = int(os.environ.get("DOCS", "1000"))
silent = os.environ.get("SILENT", False)
tmpdb = os.path.join(folder, "test.soledad")
sample_file = os.environ.get("SAMPLE", "hacker_crackdown.txt")
sample_path = os.path.join(os.curdir, sample_file)
try:
with open(sample_file) as f:
SAMPLE = f.readlines()
except Exception:
print("[!] Problem opening sample file. Did you download "
"the sample, or correctly set 'SAMPLE' env var?")
sys.exit(1)
if numdocs > len(SAMPLE):
print("[!] Sorry! The requested DOCS number is larger than "
"the num of lines in our sample file")
sys.exit(1)
def debug(*args):
if not silent:
print(*args)
debug("[+] db path:", tmpdb)
debug("[+] num docs", numdocs)
if os.path.isfile(tmpdb):
debug("[+] Removing existing db file...")
os.remove(tmpdb)
start_time = datetime.datetime.now()
opts = SQLCipherOptions(tmpdb, "secret", create=True)
dbpool = adbapi.getConnectionPool(opts)
def createDoc(doc):
return dbpool.runU1DBQuery("create_doc", doc)
db_indexes = {
'by-chash': ['chash'],
'by-number': ['number']}
def create_indexes(_):
deferreds = []
for index, definition in db_indexes.items():
d = dbpool.runU1DBQuery("create_index", index, *definition)
deferreds.append(d)
return defer.gatherResults(deferreds)
class TimeWitness(object):
def __init__(self, init_time):
self.init_time = init_time
def get_time_count(self):
return datetime.datetime.now() - self.init_time
def get_from_index(_):
init_time = datetime.datetime.now()
debug("GETTING FROM INDEX...", init_time)
def printValue(res, time):
print("RESULT->", res)
print("Index Query Took: ", time.get_time_count())
return res
d = dbpool.runU1DBQuery(
"get_from_index", "by-chash",
# "1150c7f10fabce0a57ce13071349fc5064f15bdb0cc1bf2852f74ef3f103aff5")
# XXX this is line 89 from the hacker crackdown...
# Should accept any other optional hash as an enviroment variable.
"57793320d4997a673fc7062652da0596c36a4e9fbe31310d2281e67d56d82469")
d.addCallback(printValue, TimeWitness(init_time))
return d
def getAllDocs():
return dbpool.runU1DBQuery("get_all_docs")
def errBack(e):
debug("[!] ERROR FOUND!!!")
e.printTraceback()
reactor.stop()
def countDocs(_):
debug("counting docs...")
d = getAllDocs()
d.addCallbacks(printResult, errBack)
d.addCallbacks(allDone, errBack)
return d
def printResult(r, **kwargs):
if kwargs:
debug(*kwargs.values())
elif isinstance(r, l2db.Document):
debug(r.doc_id, r.content['number'])
else:
len_results = len(r[1])
debug("GOT %s results" % len(r[1]))
if len_results == numdocs:
debug("ALL GOOD")
else:
debug("[!] MISSING DOCS!!!!!")
raise ValueError("We didn't expect this result len")
def allDone(_):
debug("ALL DONE!")
end_time = datetime.datetime.now()
print((end_time - start_time).total_seconds())
reactor.stop()
def insert_docs(_):
deferreds = []
for i in range(numdocs):
payload = SAMPLE[i]
chash = hashlib.sha256(payload).hexdigest()
doc = {"number": i, "payload": payload, 'chash': chash}
d = createDoc(doc)
d.addCallbacks(partial(printResult, i=i, chash=chash, payload=payload),
lambda e: e.printTraceback())
deferreds.append(d)
return defer.gatherResults(deferreds, consumeErrors=True)
d = create_indexes(None)
d.addCallback(insert_docs)
d.addCallback(get_from_index)
d.addCallback(countDocs)
reactor.run()
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