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#!/usr/bin/env python
#
# Public Domain 2014-2019 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import sys, threading, wiredtiger, wttest
from suite_subprocess import suite_subprocess
from wiredtiger import WiredTigerError
from wtscenario import make_scenarios
# TODO - tmp code
def tty_pr(s):
o = open('/dev/tty', 'w')
o.write(s + '\n')
o.close()
class Callback(wiredtiger.AsyncCallback):
def __init__(self, current):
self.current = current
self.ncompact = 0
self.ninsert = 0
self.nremove = 0
self.nsearch = 0
self.nupdate = 0
self.nerror = 0
self.lock = threading.RLock()
def notify_error(self, key, value, optype, desc):
tty_pr('ERROR: notify(' + str(key) + ',' + str(value) + ',' +
str(optype) + '): ' + desc)
def notify(self, op, op_ret, flags):
# Note: we are careful not to throw any errors here. Any
# exceptions would be swallowed by a non-python worker thread.
try:
optype = op.get_type()
if optype != wiredtiger.WT_AOP_COMPACT:
key = op.get_key()
#
# Remove does not set a value. Just set it from the
# reference list.
#
if optype != wiredtiger.WT_AOP_REMOVE:
value = op.get_value()
else:
value = self.current[key]
if optype == wiredtiger.WT_AOP_INSERT:
self.lock.acquire()
self.ninsert += 1
self.lock.release()
elif optype == wiredtiger.WT_AOP_COMPACT:
self.lock.acquire()
self.ncompact += 1
self.lock.release()
# Skip checking key/value.
return 0
elif optype == wiredtiger.WT_AOP_REMOVE:
self.lock.acquire()
self.nremove += 1
self.lock.release()
elif optype == wiredtiger.WT_AOP_SEARCH:
self.lock.acquire()
self.nsearch += 1
self.lock.release()
elif optype == wiredtiger.WT_AOP_UPDATE:
self.lock.acquire()
self.nupdate += 1
self.lock.release()
else:
self.notify_error(key, value, optype, 'unexpected optype')
self.lock.acquire()
self.nerror += 1
self.lock.release()
if self.current[key] != value:
self.notify_error(key, value, optype, 'unexpected value')
self.lock.acquire()
self.nerror += 1
self.lock.release()
except (BaseException) as err:
tty_pr('ERROR: exception in notify: ' + str(err))
raise
return 0
# test_async01.py
# Async operations
# Basic smoke-test of file and table async ops: tests get/set key, insert
# update, and remove.
class test_async01(wttest.WiredTigerTestCase, suite_subprocess):
"""
Test basic operations
"""
table_name1 = 'test_async01'
nentries = 100
async_ops = nentries // 2
async_threads = 3
current = {}
scenarios = make_scenarios([
('file-col', dict(tablekind='col',uri='file')),
('file-fix', dict(tablekind='fix',uri='file')),
('file-row', dict(tablekind='row',uri='file')),
('lsm-row', dict(tablekind='row',uri='lsm')),
('table-col', dict(tablekind='col',uri='table')),
('table-fix', dict(tablekind='fix',uri='table')),
('table-row', dict(tablekind='row',uri='table')),
])
# Enable async for this test.
def conn_config(self):
return 'async=(enabled=true,ops_max=%s,' % self.async_ops + \
'threads=%s)' % self.async_threads
def genkey(self, i):
if self.tablekind == 'row':
return 'key' + str(i)
else:
return self.recno(i+1)
def genvalue(self, i):
if self.tablekind == 'fix':
return int(i & 0xff)
else:
return 'value' + str(i)
# Create and populate the object.
def create_session(self, tablearg):
if self.tablekind == 'row':
keyformat = 'key_format=S'
else:
keyformat = 'key_format=r' # record format
if self.tablekind == 'fix':
valformat = 'value_format=8t'
else:
valformat = 'value_format=S'
create_args = keyformat + ',' + valformat
self.pr('creating session: ' + create_args)
self.session.create(tablearg, create_args)
def test_ops(self):
tablearg = self.uri + ':' + self.table_name1
ncompact = 0
self.create_session(tablearg)
# Populate our reference table first, so we don't need to
# use locks to reference it.
self.current = {}
for i in range(0, self.nentries):
k = self.genkey(i)
v = self.genvalue(i)
self.current[k] = v
# Populate table with async inserts, callback checks
# to ensure key/value is correct.
callback = Callback(self.current)
for i in range(0, self.nentries):
self.pr('creating async op')
op = self.conn.async_new_op(tablearg, None, callback)
k = self.genkey(i)
v = self.genvalue(i)
op.set_key(k)
op.set_value(v)
op.insert()
# Compact after insert.
# Wait for all outstanding async ops to finish.
op = self.conn.async_new_op(tablearg, 'timeout=0', callback)
op.compact()
ncompact += 1
self.conn.async_flush()
self.pr('flushed')
# Now test async search and check key/value in the callback.
for i in range(0, self.nentries):
op = self.conn.async_new_op(tablearg, None, callback)
k = self.genkey(i)
op.set_key(k)
op.search()
# Wait for all outstanding async ops to finish.
self.conn.async_flush()
self.pr('flushed')
# Reset the reference table for the update.
for i in range(0, self.nentries):
k = self.genkey(i)
v = self.genvalue(i+10)
self.current[k] = v
for i in range(0, self.nentries):
self.pr('creating async op')
op = self.conn.async_new_op(tablearg, None, callback)
k = self.genkey(i)
v = self.genvalue(i+10)
op.set_key(k)
op.set_value(v)
op.update()
# Compact after update.
# Wait for all outstanding async ops to finish.
op = self.conn.async_new_op(tablearg, None, callback)
op.compact()
ncompact += 1
self.conn.async_flush()
self.pr('flushed')
# Now test async search and check key/value in the callback.
for i in range(0, self.nentries):
op = self.conn.async_new_op(tablearg, None, callback)
k = self.genkey(i)
op.set_key(k)
op.search()
# Wait for all outstanding async ops to finish.
self.conn.async_flush()
self.pr('flushed')
for i in range(0, self.nentries):
self.pr('creating async op')
op = self.conn.async_new_op(tablearg, None, callback)
k = self.genkey(i)
op.set_key(k)
op.remove()
# Wait for all outstanding async ops to finish.
self.conn.async_flush()
self.pr('flushed')
# Make sure all callbacks went according to plan.
self.assertTrue(callback.ncompact == ncompact)
self.assertTrue(callback.ninsert == self.nentries)
self.assertTrue(callback.nremove == self.nentries)
self.assertTrue(callback.nsearch == self.nentries * 2)
self.assertTrue(callback.nupdate == self.nentries)
self.assertTrue(callback.nerror == 0)
if __name__ == '__main__':
wttest.run()
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