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#!/usr/bin/env python
#
# Public Domain 2014-2017 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.
#
# runner/core.py
# Core functions available to all runners
import glob, os
from workgen import Key, Operation, OpList, Table, Transaction, Value
# txn --
# Put the operation (and any suboperations) within a transaction.
def txn(op, config=None):
t = Transaction(config)
op._transaction = t
return op
# Check for a local build that contains the wt utility. First check in
# current working directory, then in build_posix and finally in the disttop
# directory. This isn't ideal - if a user has multiple builds in a tree we
# could pick the wrong one.
def _wiredtiger_builddir():
if os.path.isfile(os.path.join(os.getcwd(), 'wt')):
return os.getcwd()
# The directory of this file should be within the distribution tree.
thisdir = os.path.dirname(os.path.abspath(__file__))
wt_disttop = os.path.join(\
thisdir, os.pardir, os.pardir, os.pardir, os.pardir)
if os.path.isfile(os.path.join(wt_disttop, 'wt')):
return wt_disttop
if os.path.isfile(os.path.join(wt_disttop, 'build_posix', 'wt')):
return os.path.join(wt_disttop, 'build_posix')
if os.path.isfile(os.path.join(wt_disttop, 'wt.exe')):
return wt_disttop
raise Exception('Unable to find useable WiredTiger build')
# Return the wiredtiger_open extension argument for any needed shared library.
# Called with a list of extensions, e.g.
# [ 'compressors/snappy', 'encryptors/rotn=config_string' ]
def extensions_config(exts):
result = ''
extfiles = {}
errpfx = 'extensions_config'
builddir = _wiredtiger_builddir()
for ext in exts:
extconf = ''
if '=' in ext:
splits = ext.split('=', 1)
ext = splits[0]
extconf = '=' + splits[1]
splits = ext.split('/')
if len(splits) != 2:
raise Exception(errpfx + ": " + ext +
": extension is not named <dir>/<name>")
libname = splits[1]
dirname = splits[0]
pat = os.path.join(builddir, 'ext',
dirname, libname, '.libs', 'libwiredtiger_*.so')
filenames = glob.glob(pat)
if len(filenames) == 0:
raise Exception(errpfx +
": " + ext +
": no extensions library found matching: " + pat)
elif len(filenames) > 1:
raise Exception(errpfx + ": " + ext +
": multiple extensions libraries found matching: " + pat)
complete = '"' + filenames[0] + '"' + extconf
if ext in extfiles:
if extfiles[ext] != complete:
raise Exception(errpfx +
": non-matching extension arguments in " +
str(exts))
else:
extfiles[ext] = complete
if len(extfiles) != 0:
result = ',extensions=[' + ','.join(extfiles.values()) + ']'
return result
def _op_multi_table_as_list(ops_arg, tables):
result = []
if ops_arg._optype != Operation.OP_NONE:
for table in tables:
result.append(Operation(ops_arg._optype, table, ops_arg._key, ops_arg._value))
else:
for op in ops._group:
result.extend(_op_multi_table_as_list(op, tables))
return result
# A convenient way to build a list of operations
def op_append(op1, op2):
if op1 == None:
op1 = op2
else:
op1 += op2
return op1
# Emulate wtperf's table_count option. Spread the given operations over
# a set of tables.
def op_multi_table(ops_arg, tables):
ops = None
for op in _op_multi_table_as_list(ops_arg, tables):
ops = op_append(ops, op)
return ops
# should be 8 bytes format 'Q'
_logkey = Key(Key.KEYGEN_APPEND, 8)
def _op_log_op(op, log_table):
keysize = op._key._size
if keysize == 0:
keysize = op._table.options.key_size
valuesize = op._value._size
if valuesize == 0:
valuesize = op._table.options.value_size
v = Value(keysize + valuesize)
return Operation(Operation.OP_INSERT, log_table, _logkey, v)
def _optype_is_write(optype):
return optype == Operation.OP_INSERT or optype == Operation.OP_UPDATE or \
optype == Operation.OP_REMOVE
# Emulate wtperf's log_like option. For all operations, add a second
# insert operation going to a log table.
def op_log_like(op, log_table, ops_per_txn):
if op._optype != Operation.OP_NONE:
if _optype_is_write(op._optype):
op += _op_log_op(op, log_table)
if ops_per_txn == 0:
op = txn(op) # txn for each action.
else:
oplist = []
for op2 in op._group:
if op2._optype == Operation.OP_NONE:
oplist.append(op_log_like(op2, log_table))
elif ops_per_txn == 0 and _optype_is_write(op2._optype):
op2 += _op_log_op(op2, log_table)
oplist.append(txn(op2)) # txn for each action.
else:
oplist.append(op2)
if _optype_is_write(op2._optype):
oplist.append(_op_log_op(op2, log_table))
op._group = OpList(oplist)
return op
def _op_transaction_list(oplist, txn_config):
result = None
for op in oplist:
result = op_append(result, op)
return txn(result, txn_config)
# Emulate wtperf's ops_per_txn option. Create transactions around
# groups of operations of the indicated size.
def op_group_transaction(ops_arg, ops_per_txn, txn_config):
if ops_arg != Operation.OP_NONE:
return txn(ops_arg, txn_config)
if ops_arg._transaction != None:
raise Exception('nested transactions not supported')
if ops_arg._repeatgroup != None:
raise Exception('grouping transactions with multipliers not supported')
oplist = []
ops = None
nops = 0
txgroup = []
for op in ops_arg._group:
if op.optype == Operation.OP_NONE:
oplist.append(_op_transaction_list(txgroup, txn_config))
txgroup = []
oplist.append(op)
else:
txgroup.append(op)
if len(txgroup) >= ops_per_txn:
oplist.append(_op_transaction_list(txgroup, txn_config))
txgroup = []
if len(txgroup) > 0:
oplist.append(_op_transaction_list(txgroup, txn_config))
ops_arg._group = OpList(oplist)
return ops_arg
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