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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "args.h"
#include <cstddef>
#include <iostream>
namespace po = boost::program_options;
namespace mrg
{
namespace jtt
{
args::args(std::string opt_title):
_options_descr(opt_title),
format_chk(false),
keep_jrnls(false),
lld_rd_num(10),
lld_skip_num(100),
num_jrnls(1),
pause_secs(0),
randomize(false),
read_mode(),
read_prob(50),
recover_mode(false),
repeat_flag(false),
reuse_instance(false),
seed(0)
{
_options_descr.add_options()
("csv-file,c",
po::value<std::string>(&test_case_csv_file_name)->default_value("jtt.csv"),
"CSV file containing test cases.")
("format-chk",
po::value<bool>(&format_chk)->zero_tokens(),
"Check the format of each journal file.")
("help,h", "This help message.")
("jrnl-dir",
po::value<std::string>(&journal_dir)->default_value("/var/tmp/jtt"),
"Directory in which journal files will be placed.")
("keep-jrnls",
po::value<bool>(&keep_jrnls)->zero_tokens(),
"Keep all test journals.")
("lld-rd-num",
po::value<unsigned>(&lld_rd_num)->default_value(10),
"Number of consecutive messages to read after only dequeueing lld-skip-num "
"messages during lazy-loading. Ignored if read-mode is not set to LAZYLOAD.")
("lld-skip-num",
po::value<unsigned>(&lld_skip_num)->default_value(100),
"Number of consecutive messages to dequeue only (without reading) prior to "
"reading lld-rd-num messages. Ignored if read-mode is not set to LAZYLOAD.")
("num-jrnls",
po::value<unsigned>(&num_jrnls)->default_value(1),
"Number of simultaneous journal instances to test.")
("pause",
po::value<unsigned>(&pause_secs)->default_value(0),
"Pause in seconds between test cases (allows disk to catch up).")
("randomize",
po::value<bool>(&randomize)->zero_tokens(),
"Randomize the order of the tests.")
("read-mode",
po::value<read_arg>(&read_mode)->default_value(read_arg::NONE),
read_arg::descr().c_str())
("read-prob",
po::value<unsigned>(&read_prob)->default_value(50),
"Read probability (percent) for each message when read-mode is set to RANDOM.")
("recover-mode",
po::value<bool>(&recover_mode)->zero_tokens(),
"Recover journal from the previous test for each test case.")
("repeat",
po::value<bool>(&repeat_flag)->zero_tokens(),
"Repeat all test cases indefinitely.")
("reuse-instance",
po::value<bool>(&reuse_instance)->zero_tokens(),
"Reuse journal instance for all test cases.")
("seed",
po::value<unsigned>(&seed)->default_value(0),
"Seed for use in random number generator.")
("analyzer",
po::value<std::string>(&jfile_analyzer)->default_value("./file_chk.py"),
"Journal file analyzer program to use when the --format-chk option is used, ignored otherwise.")
;
}
bool
args::parse(int argc, char** argv) // return true if error, false if ok
{
try
{
po::store(po::parse_command_line(argc, argv, _options_descr), _vmap);
po::notify(_vmap);
}
catch (const std::exception& e)
{
std::cout << "ERROR: " << e.what() << std::endl;
return usage();
}
if (_vmap.count("help"))
return usage();
if (num_jrnls == 0)
{
std::cout << "ERROR: num-jrnls must be 1 or more." << std::endl;
return usage();
}
if (read_prob > 100) // read_prob is unsigned, so no need to check < 0
{
std::cout << "ERROR: read-prob must be between 0 and 100 inclusive." << std::endl;
return usage();
}
if (repeat_flag && keep_jrnls)
{
std::string resp;
std::cout << "WARNING: repeat and keep-jrnls: Monitor disk usage as test journals will"
" accumulate." << std::endl;
std::cout << "Continue? <y/n> ";
std::cin >> resp;
if (resp.size() == 1)
{
if (resp[0] != 'y' && resp[0] != 'Y')
return true;
}
else if (resp.size() == 3) // any combo of lower- and upper-case
{
if (resp[0] != 'y' && resp[0] != 'Y')
return true;
if (resp[1] != 'e' && resp[1] != 'E')
return true;
if (resp[2] != 's' && resp[2] != 'S')
return true;
}
else
return true;
}
return false;
}
bool
args::usage() const
{
std::cout << _options_descr << std::endl;
return true;
}
void
args::print_args() const
{
std::cout << "Number of journals: " << num_jrnls << std::endl;
std::cout << "Read mode: " << read_mode << std::endl;
if (read_mode.val() == read_arg::RANDOM)
std::cout << "Read probability: " << read_prob << " %" << std::endl;
if (read_mode.val() == read_arg::LAZYLOAD)
{
std::cout << "Lazy-load skips: " << lld_skip_num << std::endl;
std::cout << "Lazy-load reads: " << lld_rd_num << std::endl;
}
if (pause_secs)
std::cout << "Pause between test cases: " << pause_secs << " sec." << std::endl;
if (seed)
std::cout << "Randomize seed: " << seed << std::endl;
print_flags();
}
void
args::print_flags() const
{
if (format_chk || keep_jrnls || randomize || recover_mode || repeat_flag ||
reuse_instance)
{
std::cout << "Flag options:";
// TODO: Get flag args and their strings directly from _options_descr.
if (format_chk)
std::cout << " format-chk";
if (keep_jrnls)
std::cout << " keep-jrnls";
if (randomize)
std::cout << " randomize";
if (recover_mode)
std::cout << " recover-mode";
if (repeat_flag)
std::cout << " repeat-flag";
if (reuse_instance)
std::cout << " reuse-instance";
std::cout << std::endl;
}
std::cout << std::endl;
}
} // namespace jtt
} // namespace mrg
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