+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph distributed storage system
- *
- * Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
- * Copyright (C) 2014 Red Hat <contact@redhat.com>
- *
- * Author: Loic Dachary <loic@dachary.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- */
-
-#include <boost/scoped_ptr.hpp>
-#include <boost/lexical_cast.hpp>
-#include <boost/program_options/option.hpp>
-#include <boost/program_options/options_description.hpp>
-#include <boost/program_options/variables_map.hpp>
-#include <boost/program_options/cmdline.hpp>
-#include <boost/program_options/parsers.hpp>
-#include <boost/algorithm/string.hpp>
-
-#include "global/global_context.h"
-#include "global/global_init.h"
-#include "common/ceph_argparse.h"
-#include "common/ceph_context.h"
-#include "common/config.h"
-#include "common/Clock.h"
-#include "include/utime.h"
-#include "erasure-code/ErasureCodePlugin.h"
-
-namespace po = boost::program_options;
-
-class ErasureCodeCommand {
- po::variables_map vm;
- ErasureCodeProfile profile;
- boost::intrusive_ptr<CephContext> cct;
-public:
- int setup(int argc, char** argv);
- int run();
- int plugin_exists();
- int display_information();
-};
-
-int ErasureCodeCommand::setup(int argc, char** argv) {
-
- po::options_description desc("Allowed options");
- desc.add_options()
- ("help,h", "produce help message")
- ("all", "implies "
- "--get_chunk_size 1024 "
- "--get_data_chunk_count "
- "--get_coding_chunk_count "
- "--get_chunk_count ")
- ("get_chunk_size", po::value<unsigned int>(),
- "display get_chunk_size(<object size>)")
- ("get_data_chunk_count", "display get_data_chunk_count()")
- ("get_coding_chunk_count", "display get_coding_chunk_count()")
- ("get_chunk_count", "display get_chunk_count()")
- ("parameter,P", po::value<vector<string> >(),
- "parameters")
- ("plugin_exists", po::value<string>(),
- "succeeds if the plugin given in argument exists and can be loaded")
- ;
-
- po::parsed_options parsed =
- po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
- po::store(
- parsed,
- vm);
- po::notify(vm);
-
- vector<const char *> ceph_options;
- vector<string> ceph_option_strings = po::collect_unrecognized(
- parsed.options, po::include_positional);
- ceph_options.reserve(ceph_option_strings.size());
- for (vector<string>::iterator i = ceph_option_strings.begin();
- i != ceph_option_strings.end();
- ++i) {
- ceph_options.push_back(i->c_str());
- }
-
- cct = global_init(
- NULL, ceph_options, CEPH_ENTITY_TYPE_CLIENT,
- CODE_ENVIRONMENT_UTILITY,
- CINIT_FLAG_NO_MON_CONFIG);
- common_init_finish(g_ceph_context);
- g_ceph_context->_conf.apply_changes(nullptr);
-
- if (vm.count("help")) {
- cout << desc << std::endl;
- return 1;
- }
-
- if (vm.count("parameter")) {
- const vector<string> &p = vm["parameter"].as< vector<string> >();
- for (vector<string>::const_iterator i = p.begin();
- i != p.end();
- ++i) {
- std::vector<std::string> strs;
- boost::split(strs, *i, boost::is_any_of("="));
- if (strs.size() != 2) {
- cerr << "--parameter " << *i
- << " ignored because it does not contain exactly one =" << endl;
- } else {
- profile[strs[0]] = strs[1];
- }
- }
- }
-
- return 0;
-}
-
-int ErasureCodeCommand::run() {
- if (vm.count("plugin_exists"))
- return plugin_exists();
- else
- return display_information();
-}
-
-int ErasureCodeCommand::plugin_exists() {
- ErasureCodePluginRegistry &instance = ErasureCodePluginRegistry::instance();
- ErasureCodePlugin *plugin = 0;
- std::lock_guard l{instance.lock};
- stringstream ss;
- int code = instance.load(vm["plugin_exists"].as<string>(),
- g_conf().get_val<std::string>("erasure_code_dir"), &plugin, &ss);
- if (code)
- cerr << ss.str() << endl;
- return code;
-}
-
-int ErasureCodeCommand::display_information() {
- ErasureCodePluginRegistry &instance = ErasureCodePluginRegistry::instance();
- ErasureCodeInterfaceRef erasure_code;
-
- if (profile.count("plugin") == 0) {
- cerr << "--parameter plugin=<plugin> is mandatory" << endl;
- return 1;
- }
-
- int code = instance.factory(profile["plugin"],
- g_conf().get_val<std::string>("erasure_code_dir"),
- profile,
- &erasure_code, &cerr);
- if (code)
- return code;
-
- if (vm.count("all") || vm.count("get_chunk_size")) {
- unsigned int object_size = 1024;
- if (vm.count("get_chunk_size"))
- object_size = vm["get_chunk_size"].as<unsigned int>();
- cout << "get_chunk_size(" << object_size << ")\t"
- << erasure_code->get_chunk_size(object_size) << endl;
- }
- if (vm.count("all") || vm.count("get_data_chunk_count"))
- cout << "get_data_chunk_count\t"
- << erasure_code->get_data_chunk_count() << endl;
- if (vm.count("all") || vm.count("get_coding_chunk_count"))
- cout << "get_coding_chunk_count\t"
- << erasure_code->get_coding_chunk_count() << endl;
- if (vm.count("all") || vm.count("get_chunk_count"))
- cout << "get_chunk_count\t"
- << erasure_code->get_chunk_count() << endl;
- return 0;
-}
-
-int main(int argc, char** argv) {
- ErasureCodeCommand eccommand;
- try {
- int err = eccommand.setup(argc, argv);
- if (err)
- return err;
- return eccommand.run();
- } catch(po::error &e) {
- cerr << e.what() << endl;
- return 1;
- }
-}
-
-/*
- * Local Variables:
- * compile-command: "cd ../.. ; make -j4 &&
- * make -j4 ceph_erasure_code &&
- * libtool --mode=execute valgrind --tool=memcheck --leak-check=full \
- * ./ceph_erasure_code \
- * --parameter plugin=jerasure \
- * --parameter technique=reed_sol_van \
- * --parameter k=2 \
- * --parameter m=2 \
- * --get_chunk_size 1024 \
- * --get_data_chunk_count \
- * --get_coding_chunk_count \
- * --get_chunk_count \
- * "
- * End:
- */
projects / ceph.git / commitdiff