X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Ferasure-code%2Fceph_erasure_code_non_regression.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Ferasure-code%2Fceph_erasure_code_non_regression.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=355191714b7c30ce96ece66a8fd6dd6fc9571331;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/test/erasure-code/ceph_erasure_code_non_regression.cc b/src/ceph/src/test/erasure-code/ceph_erasure_code_non_regression.cc
deleted file mode 100644
index 3551917..0000000
--- a/src/ceph/src/test/erasure-code/ceph_erasure_code_non_regression.cc
+++ /dev/null
@@ -1,329 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph distributed storage system
- *
- * Red Hat (C) 2014, 2015 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 <errno.h>
-#include <stdlib.h>
-#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/errno.h"
-#include "common/ceph_argparse.h"
-#include "common/config.h"
-#include "erasure-code/ErasureCodePlugin.h"
-
-namespace po = boost::program_options;
-using namespace std;
-
-class ErasureCodeNonRegression {
-  unsigned stripe_width;
-  string plugin;
-  bool create;
-  bool check;
-  string base;
-  string directory;
-  ErasureCodeProfile profile;
-  boost::intrusive_ptr<CephContext> cct;
-public:
-  int setup(int argc, char** argv);
-  int run();
-  int run_create();
-  int run_check();
-  int decode_erasures(ErasureCodeInterfaceRef erasure_code,
-		      set<int> erasures,
-		      map<int,bufferlist> chunks);
-  string content_path();
-  string chunk_path(unsigned int chunk);
-};
-
-int ErasureCodeNonRegression::setup(int argc, char** argv) {
-
-  po::options_description desc("Allowed options");
-  desc.add_options()
-    ("help,h", "produce help message")
-    ("stripe-width,s", po::value<int>()->default_value(4 * 1024),
-     "stripe_width, i.e. the size of the buffer to be encoded")
-    ("plugin,p", po::value<string>()->default_value("jerasure"),
-     "erasure code plugin name")
-    ("base", po::value<string>()->default_value("."),
-     "prefix all paths with base")
-    ("parameter,P", po::value<vector<string> >(),
-     "add a parameter to the erasure code profile")
-    ("create", "create the erasure coded content in the directory")
-    ("check", "check the content in the directory matches the chunks and vice versa")
-    ;
-
-  po::variables_map vm;
-  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, def_args;
-  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(&def_args, ceph_options, CEPH_ENTITY_TYPE_CLIENT,
-		    CODE_ENVIRONMENT_UTILITY,
-		    CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
-  common_init_finish(g_ceph_context);
-  g_ceph_context->_conf->apply_changes(NULL);
-  const char* env = getenv("CEPH_LIB");
-  std::string libs_dir(env ? env : ".libs");
-  g_conf->set_val_or_die("erasure_code_dir", libs_dir, false);
-
-  if (vm.count("help")) {
-    cout << desc << std::endl;
-    return 1;
-  }
-
-  stripe_width = vm["stripe-width"].as<int>();
-  plugin = vm["plugin"].as<string>();
-  base = vm["base"].as<string>();
-  check = vm.count("check") > 0;
-  create = vm.count("create") > 0;
-
-  if (!check && !create) {
-    cerr << "must specifify either --check, or --create" << endl;
-    return 1;
-  }
-
-  {
-    stringstream path;
-    path << base << "/" << "plugin=" << plugin << " stripe-width=" << stripe_width;
-    directory = path.str();
-  }
-
-  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];
-      }
-      directory += " " + *i;
-    }
-  }
-
-  return 0;
-}
-
-int ErasureCodeNonRegression::run()
-  {
-  int ret = 0;
-  if(create && (ret = run_create()))
-    return ret;
-  if(check && (ret = run_check()))
-    return ret;
-  return ret;
-}
-
-int ErasureCodeNonRegression::run_create()
-{
-  ErasureCodePluginRegistry &instance = ErasureCodePluginRegistry::instance();
-  ErasureCodeInterfaceRef erasure_code;
-  stringstream messages;
-  int code = instance.factory(plugin,
-			      g_conf->get_val<std::string>("erasure_code_dir"),
-			      profile, &erasure_code, &messages);
-  if (code) {
-    cerr << messages.str() << endl;
-    return code;
-  }
-
-  if (::mkdir(directory.c_str(), 0755)) {
-    cerr << "mkdir(" << directory << "): " << cpp_strerror(errno) << endl;
-    return 1;
-  }
-  unsigned payload_chunk_size = 37;
-  string payload;
-  for (unsigned j = 0; j < payload_chunk_size; ++j)
-    payload.push_back('a' + (rand() % 26));
-  bufferlist in;
-  for (unsigned j = 0; j < stripe_width; j += payload_chunk_size)
-    in.append(payload);
-  if (stripe_width < in.length())
-    in.splice(stripe_width, in.length() - stripe_width);
-  if (in.write_file(content_path().c_str()))
-    return 1;
-  set<int> want_to_encode;
-  for (unsigned int i = 0; i < erasure_code->get_chunk_count(); i++) {
-    want_to_encode.insert(i);
-  }
-  map<int,bufferlist> encoded;
-  code = erasure_code->encode(want_to_encode, in, &encoded);
-  if (code)
-    return code;
-  for (map<int,bufferlist>::iterator chunk = encoded.begin();
-       chunk != encoded.end();
-       ++chunk) {
-    if (chunk->second.write_file(chunk_path(chunk->first).c_str()))
-      return 1;
-  }
-  return 0;
-}
-
-int ErasureCodeNonRegression::decode_erasures(ErasureCodeInterfaceRef erasure_code,
-					      set<int> erasures,
-					      map<int,bufferlist> chunks)
-{
-  map<int,bufferlist> available;
-  for (map<int,bufferlist>::iterator chunk = chunks.begin();
-       chunk != chunks.end();
-       ++chunk) {
-    if (erasures.count(chunk->first) == 0)
-      available[chunk->first] = chunk->second;
-      
-  }
-  map<int,bufferlist> decoded;
-  int code = erasure_code->decode(erasures, available, &decoded);
-  if (code)
-    return code;
-  for (set<int>::iterator erasure = erasures.begin();
-       erasure != erasures.end();
-       ++erasure) {
-    if (!chunks[*erasure].contents_equal(decoded[*erasure])) {
-      cerr << "chunk " << *erasure << " incorrectly recovered" << endl;
-      return 1;
-    }
-  }
-  return 0;
-}
-
-int ErasureCodeNonRegression::run_check()
-{
-  ErasureCodePluginRegistry &instance = ErasureCodePluginRegistry::instance();
-  ErasureCodeInterfaceRef erasure_code;
-  stringstream messages;
-  int code = instance.factory(plugin,
-			      g_conf->get_val<std::string>("erasure_code_dir"),
-			      profile, &erasure_code, &messages);
-  if (code) {
-    cerr << messages.str() << endl;
-    return code;
-  }
-  string errors;
-  bufferlist in;
-  if (in.read_file(content_path().c_str(), &errors)) {
-    cerr << errors << endl;
-    return 1;
-  }
-  set<int> want_to_encode;
-  for (unsigned int i = 0; i < erasure_code->get_chunk_count(); i++) {
-    want_to_encode.insert(i);
-  }
-
-  map<int,bufferlist> encoded;
-  code = erasure_code->encode(want_to_encode, in, &encoded);
-  if (code)
-    return code;
-
-  for (map<int,bufferlist>::iterator chunk = encoded.begin();
-       chunk != encoded.end();
-       ++chunk) {
-    bufferlist existing;
-    if (existing.read_file(chunk_path(chunk->first).c_str(), &errors)) {
-      cerr << errors << endl;
-      return 1;
-    }
-    bufferlist &old = chunk->second;
-    if (existing.length() != old.length() ||
-	memcmp(existing.c_str(), old.c_str(), old.length())) {
-      cerr << "chunk " << chunk->first << " encodes differently" << endl;
-      return 1;
-    }
-  }
-
-  // erasing a single chunk is likely to use a specific code path in every plugin
-  set<int> erasures;
-  erasures.clear();
-  erasures.insert(0);
-  code = decode_erasures(erasure_code, erasures, encoded);
-  if (code)
-    return code;
-
-  if (erasure_code->get_chunk_count() - erasure_code->get_data_chunk_count() > 1) {
-    // erasing two chunks is likely to be the general case
-    erasures.clear();
-    erasures.insert(0);
-    erasures.insert(erasure_code->get_chunk_count() - 1);
-    code = decode_erasures(erasure_code, erasures, encoded);
-    if (code)
-      return code;
-  }
-  
-  return 0;
-}
-
-string ErasureCodeNonRegression::content_path()
-{
-  stringstream path;
-  path << directory << "/content";
-  return path.str();
-}
-
-string ErasureCodeNonRegression::chunk_path(unsigned int chunk)
-{
-  stringstream path;
-  path << directory << "/" << chunk;
-  return path.str();
-}
-
-int main(int argc, char** argv) {
-  ErasureCodeNonRegression non_regression;
-  int err = non_regression.setup(argc, argv);
-  if (err)
-    return err;
-  return non_regression.run();
-}
-
-/*
- * Local Variables:
- * compile-command: "cd ../.. ; make -j4 &&
- *   make ceph_erasure_code_non_regression &&
- *   libtool --mode=execute valgrind --tool=memcheck --leak-check=full \
- *      ./ceph_erasure_code_non_regression \
- *      --plugin jerasure \
- *      --parameter technique=reed_sol_van \
- *      --parameter k=2 \
- *      --parameter m=2 \
- *      --directory /tmp/ceph_erasure_code_non_regression \
- *      --stripe-width 3181 \
- *      --create \
- *      --check
- * "
- * End:
- */