X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Ferasure-code%2FTestErasureCodeShec.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Ferasure-code%2FTestErasureCodeShec.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=fab8e7081de44ffd7a7cb817d0f9549021fbf39a;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/test/erasure-code/TestErasureCodeShec.cc b/src/ceph/src/test/erasure-code/TestErasureCodeShec.cc
deleted file mode 100644
index fab8e70..0000000
--- a/src/ceph/src/test/erasure-code/TestErasureCodeShec.cc
+++ /dev/null
@@ -1,2820 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2014,2015 FUJITSU LIMITED
- *
- * Author: Shotaro Kawaguchi <kawaguchi.s@jp.fujitsu.com>
- * Author: Takanori Nakao <nakao.takanori@jp.fujitsu.com>
- * Author: Takeshi Miyamae <miyamae.takeshi@jp.fujitsu.com>
- *
- *  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.
- *
- */
-
-//SUMMARY: TestErasureCodeShec
-
-#include <errno.h>
-#include <pthread.h>
-#include <stdlib.h>
-
-#include "crush/CrushWrapper.h"
-#include "osd/osd_types.h"
-#include "include/stringify.h"
-#include "erasure-code/shec/ErasureCodeShec.h"
-#include "erasure-code/ErasureCodePlugin.h"
-#include "global/global_context.h"
-#include "gtest/gtest.h"
-
-void* thread1(void* pParam);
-void* thread2(void* pParam);
-void* thread3(void* pParam);
-void* thread4(void* pParam);
-void* thread5(void* pParam);
-
-static int g_flag = 0;
-
-TEST(ErasureCodeShec, init_1)
-{
-  //all parameters are normal values
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  //check profile
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  EXPECT_EQ(ErasureCodeShec::MULTIPLE, shec->technique);
-  EXPECT_STREQ("default", shec->rule_root.c_str());
-  EXPECT_STREQ("osd", shec->rule_failure_domain.c_str());
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_2)
-{
-  //all parameters are normal values
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-root"] = "test";
-  (*profile)["crush-failure-domain"] = "host";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "8";
-
-  int r = shec->init(*profile, &cerr);
-
-  //check profile
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  EXPECT_EQ(ErasureCodeShec::MULTIPLE, shec->technique);
-  EXPECT_STREQ("test", shec->rule_root.c_str());
-  EXPECT_STREQ("host", shec->rule_failure_domain.c_str());
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_3)
-{
-  //all parameters are normal values
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "16";
-
-  int r = shec->init(*profile, &cerr);
-
-  //check profile
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(16, shec->w);
-  EXPECT_EQ(ErasureCodeShec::MULTIPLE, shec->technique);
-  EXPECT_STREQ("default", shec->rule_root.c_str());
-  EXPECT_STREQ("osd", shec->rule_failure_domain.c_str());
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_4)
-{
-  //all parameters are normal values
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "32";
-
-  int r = shec->init(*profile, &cerr);
-
-  //check profile
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(32, shec->w);
-  EXPECT_EQ(ErasureCodeShec::MULTIPLE, shec->technique);
-  EXPECT_STREQ("default", shec->rule_root.c_str());
-  EXPECT_STREQ("osd", shec->rule_failure_domain.c_str());
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_5)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  //plugin is not specified
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_6)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "jerasure";	//unexpected value
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_7)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "abc";	//unexpected value
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_8)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_9)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-root"] = "abc";	//unexpected value
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_10)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "abc";	//unexpected value
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_11)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "abc";		//unexpected value
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_12)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "-1";	//unexpected value
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_13)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "abc";
-  (*profile)["k"] = "0.1";	//unexpected value
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_14)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "a";		//unexpected value
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_15)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  //k is not specified
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_16)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "-1";		//unexpected value
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_17)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "0.1";		//unexpected value
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_18)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "a";		//unexpected value
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_19)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  //m is not specified
-  (*profile)["c"] = "2";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_20)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "-1";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_21)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "0.1";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_22)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "a";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_23)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  //c is not specified
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_24)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "1";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  //w is default value
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_25)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "-1";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  //w is default value
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_26)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "0.1";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  //w is default value
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_27)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "a";		//unexpected value
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  //w is default value
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_28)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "10";	//c > m
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_29)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  //k is not specified
-  //m is not specified
-  //c is not specified
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  //k,m,c are default values
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_30)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "12";
-  (*profile)["m"] = "8";
-  (*profile)["c"] = "8";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(12, shec->k);
-  EXPECT_EQ(8, shec->m);
-  EXPECT_EQ(8, shec->c);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_31)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "13";
-  (*profile)["m"] = "7";
-  (*profile)["c"] = "7";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_32)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "7";
-  (*profile)["m"] = "13";
-  (*profile)["c"] = "13";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_33)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "12";
-  (*profile)["m"] = "9";
-  (*profile)["c"] = "8";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init_34)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "8";
-  (*profile)["m"] = "12";
-  (*profile)["c"] = "12";
-
-  int r = shec->init(*profile, &cerr);
-
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init2_4)
-{
-  //all parameters are normal values
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-  int r = shec->init(*profile, &cerr);	//init executed twice
-
-  //check profile
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  EXPECT_EQ(ErasureCodeShec::MULTIPLE, shec->technique);
-  EXPECT_STREQ("default", shec->rule_root.c_str());
-  EXPECT_STREQ("osd", shec->rule_failure_domain.c_str());
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, init2_5)
-{
-  //all parameters are normal values
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  ErasureCodeProfile *profile2 = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "host";
-  (*profile)["k"] = "10";
-  (*profile)["m"] = "6";
-  (*profile)["c"] = "5";
-  (*profile)["w"] = "16";
-
-  int r = shec->init(*profile, &cerr);
-
-  //reexecute init
-  (*profile2)["plugin"] = "shec";
-  (*profile2)["technique"] = "";
-  (*profile2)["crush-failure-domain"] = "osd";
-  (*profile2)["k"] = "4";
-  (*profile2)["m"] = "3";
-  (*profile2)["c"] = "2";
-  shec->init(*profile2, &cerr);
-
-  EXPECT_EQ(4, shec->k);
-  EXPECT_EQ(3, shec->m);
-  EXPECT_EQ(2, shec->c);
-  EXPECT_EQ(8, shec->w);
-  EXPECT_EQ(ErasureCodeShec::MULTIPLE, shec->technique);
-  EXPECT_STREQ("default", shec->rule_root.c_str());
-  EXPECT_STREQ("osd", shec->rule_failure_domain.c_str());
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_8)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  for (int i = 0; i < 8; ++i) {
-    want_to_decode.insert(i);
-  }
-  for (int i = 0; i < 5; ++i) {
-    available_chunks.insert(i);
-  }
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_9)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  for (int i = 0; i < 4; ++i) {
-    want_to_decode.insert(i);
-  }
-  for (int i = 0; i < 8; ++i) {
-    available_chunks.insert(i);
-  }
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_10)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  for (int i = 0; i < 7; ++i) {
-    want_to_decode.insert(i);
-  }
-  for (int i = 4; i < 7; ++i) {
-    available_chunks.insert(i);
-  }
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_EQ(-EIO, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_11)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  for (int i = 0; i < 5; ++i) {
-    want_to_decode.insert(i);
-  }
-  for (int i = 4; i < 7; ++i) {
-    available_chunks.insert(i);
-  }
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_EQ(-EIO, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_12)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  //minimum_chunks is NULL
-
-  for (int i = 0; i < 7; ++i) {
-    want_to_decode.insert(i);
-    available_chunks.insert(i);
-  }
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks, NULL);
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_13)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks, minimum;
-
-  for (int i = 0; i < 7; ++i) {
-    want_to_decode.insert(i);
-    available_chunks.insert(i);
-  }
-  shec->minimum_to_decode(want_to_decode, available_chunks, &minimum_chunks);
-  minimum = minimum_chunks;		//normal value
-  for (int i = 100; i < 120; ++i) {
-    minimum_chunks.insert(i);	//insert extra data
-  }
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(minimum, minimum_chunks);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode2_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  want_to_decode.insert(0);
-  available_chunks.insert(0);
-  available_chunks.insert(1);
-  available_chunks.insert(2);
-
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_TRUE(minimum_chunks.size());
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode2_3)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  want_to_decode.insert(0);
-  want_to_decode.insert(2);
-  available_chunks.insert(0);
-  available_chunks.insert(1);
-  available_chunks.insert(2);
-  available_chunks.insert(3);
-
-  pthread_t tid;
-  g_flag = 0;
-  pthread_create(&tid, NULL, thread1, shec);
-  while (g_flag == 0) {
-    usleep(1);
-  }
-  sleep(1);
-  printf("*** test start ***\n");
-  int r = shec->minimum_to_decode(want_to_decode, available_chunks,
-				  &minimum_chunks);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(want_to_decode, minimum_chunks);
-  printf("*** test end ***\n");
-  g_flag = 0;
-  pthread_join(tid, NULL);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_with_cost_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode_with_cost
-  set<int> want_to_decode;
-  map<int, int> available_chunks;
-  set<int> minimum_chunks;
-
-  for (int i = 0; i < 7; ++i) {
-    want_to_decode.insert(i);
-    available_chunks.insert(make_pair(i, i));
-  }
-
-  int r = shec->minimum_to_decode_with_cost(want_to_decode, available_chunks,
-					    &minimum_chunks);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_TRUE(minimum_chunks.size());
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, minimum_to_decode_with_cost_2_3)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //minimum_to_decode_with_cost
-  set<int> want_to_decode;
-  map<int, int> available_chunks;
-  set<int> minimum_chunks;
-
-  want_to_decode.insert(0);
-  want_to_decode.insert(2);
-  available_chunks[0] = 0;
-  available_chunks[1] = 1;
-  available_chunks[2] = 2;
-  available_chunks[3] = 3;
-
-  pthread_t tid;
-  g_flag = 0;
-  pthread_create(&tid, NULL, thread2, shec);
-  while (g_flag == 0) {
-    usleep(1);
-  }
-  sleep(1);
-  printf("*** test start ***\n");
-  int r = shec->minimum_to_decode_with_cost(want_to_decode, available_chunks,
-					    &minimum_chunks);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(want_to_decode, minimum_chunks);
-  printf("*** test end ***\n");
-  g_flag = 0;
-  pthread_join(tid, NULL);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "0123"//128
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-  decoded.clear();
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2),
-		   encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  EXPECT_EQ(32u, decoded[0].length());
-
-  bufferlist out1, out2, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i) {
-    out1.append(encoded[i]);
-  }
-  //out2 is "decoded"
-  r = shec->decode_concat(encoded, &out2);
-  usable.substr_of(out2, 0, in.length());
-  EXPECT_FALSE(out1 == in);
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode_2)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  EXPECT_EQ(32u, decoded[0].length());
-
-  bufferlist out1, out2, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i)
-    out1.append(encoded[i]);
-  //out2 is "decoded"
-  shec->decode_concat(encoded, &out2);
-  usable.substr_of(out2, 0, in.length());
-  EXPECT_FALSE(out1 == in);
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode_3)
-{
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  bufferlist in;
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-  );
-  set<int> want_to_encode;
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-  want_to_encode.insert(10);
-  want_to_encode.insert(11);
-  map<int, bufferlist> encoded;
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), decoded[0].length());
-
-  bufferlist out1, out2, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i) {
-    out1.append(encoded[i]);
-  }
-  //out2 is "decoded"
-  shec->decode_concat(encoded, &out2);
-  usable.substr_of(out2, 0, in.length());
-  EXPECT_FALSE(out1 == in);
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode_4)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count() - 1; ++i) {
-    want_to_encode.insert(i);
-  }
-  want_to_encode.insert(100);
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count()-1, encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), decoded[0].length());
-
-  bufferlist out1, out2, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i) {
-    out1.append(encoded[i]);
-  }
-  //out2 is "decoded"
-  shec->decode_concat(encoded, &out2);
-  usable.substr_of(out2, 0, in.length());
-  EXPECT_FALSE(out1 == in);
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode_8)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, NULL);	//encoded = NULL
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode_9)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-  for (int i = 0; i < 100; ++i) {
-    encoded[i].append("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(-EINVAL, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode2_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "0123"//128
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  EXPECT_EQ(32u, decoded[0].length());
-
-  bufferlist out1, out2, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i) {
-    out1.append(encoded[i]);
-  }
-  //out2 is "decoded"
-  shec->decode_concat(encoded, &out2);
-  usable.substr_of(out2, 0, in.length());
-  EXPECT_FALSE(out1 == in);
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, encode2_3)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "0123"//128
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  pthread_t tid;
-  g_flag = 0;
-  pthread_create(&tid, NULL, thread4, shec);
-  while (g_flag == 0) {
-    usleep(1);
-  }
-  sleep(1);
-  printf("*** test start ***\n");
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-  printf("*** test end ***\n");
-  g_flag = 0;
-  pthread_join(tid, NULL);
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  EXPECT_EQ(32u, decoded[0].length());
-
-  bufferlist out1, out2, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i) {
-    out1.append(encoded[i]);
-  }
-  //out2 is "decoded"
-  shec->decode_concat(encoded, &out2);
-  usable.substr_of(out2, 0, in.length());
-  EXPECT_FALSE(out1 == in);
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 7), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(7u, decoded.size());
-
-  bufferlist usable;
-  int cmp;
-  unsigned int c_size = shec->get_chunk_size(in.length());
-  for (unsigned int i = 0; i < shec->get_data_chunk_count(); ++i) {
-    usable.clear();
-    EXPECT_EQ(c_size, decoded[i].length());
-    if ( c_size * (i+1) <= in.length() ) {
-      usable.substr_of(in, c_size * i, c_size);
-      cmp = memcmp(decoded[i].c_str(), usable.c_str(), c_size);
-    } else {
-      usable.substr_of(in, c_size * i, in.length() % c_size);
-      cmp = memcmp(decoded[i].c_str(), usable.c_str(), in.length() % c_size);
-    }
-    EXPECT_EQ(0, cmp);
-  }
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_8)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6, 7 }; //more than k+m
-  map<int, bufferlist> decoded;
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 8), encoded,
-		   &decoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(7u, decoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  bufferlist usable;
-  int cmp;
-  unsigned int c_size = shec->get_chunk_size(in.length());
-  for (unsigned int i = 0; i < shec->get_data_chunk_count(); ++i) {
-    usable.clear();
-    EXPECT_EQ(c_size, decoded[i].length());
-    if ( c_size * (i+1) <= in.length() ) {
-      usable.substr_of(in, c_size * i, c_size);
-      cmp = memcmp(decoded[i].c_str(), usable.c_str(), c_size);
-    } else {
-      usable.substr_of(in, c_size * i, in.length() % c_size);
-      cmp = memcmp(decoded[i].c_str(), usable.c_str(), in.length() % c_size);
-    }
-    EXPECT_EQ(0, cmp);
-  }
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_9)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
-  map<int, bufferlist> decoded;
-
-  //extra data
-  bufferlist buf;
-  buf.append("abc");
-  encoded[100] = buf;
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 10), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(7u, decoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), decoded[0].length());
-
-  bufferlist out1, usable;
-  //out1 is "encoded"
-  for (unsigned int i = 0; i < encoded.size(); ++i) {
-    out1.append(encoded[i]);
-  }
-  EXPECT_FALSE(out1 == in);
-  //usable is "decoded"
-  int cmp;
-  unsigned int c_size = shec->get_chunk_size(in.length());
-  for (unsigned int i = 0; i < shec->get_data_chunk_count(); ++i) {
-    usable.clear();
-    EXPECT_EQ(c_size, decoded[i].length());
-    if ( c_size * (i+1) <= in.length() ) {
-      usable.substr_of(in, c_size * i, c_size);
-      cmp = memcmp(decoded[i].c_str(), usable.c_str(), c_size);
-    } else {
-      usable.substr_of(in, c_size * i, in.length() % c_size);
-      cmp = memcmp(decoded[i].c_str(), usable.c_str(), in.length() % c_size);
-    }
-    EXPECT_EQ(0, cmp);
-  }
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_10)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 }; //more than k+m
-  map<int, bufferlist> decoded, inchunks;
-
-  for ( unsigned int i = 0; i < 3; ++i) {
-    inchunks.insert(make_pair(i, encoded[i]));
-  }
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 7), inchunks,
-		   &decoded);
-  EXPECT_EQ(-1, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_11)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCD"//128
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4 };
-  map<int, bufferlist> decoded, inchunks;
-
-  for ( unsigned int i = 4; i < 7; ++i) {
-    inchunks.insert(make_pair(i, encoded[i]));
-  }
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 5), inchunks,
-		   &decoded);
-  EXPECT_EQ(-1, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_12)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-
-  //decoded = NULL
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 7), encoded,
-		   NULL);
-  EXPECT_NE(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode_13)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6 };
-  map<int, bufferlist> decoded;
-
-  //extra data
-  bufferlist buf;
-  buf.append("a");
-  for (int i = 0; i < 100; ++i) {
-    decoded[i] = buf;
-  }
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 7), encoded,
-		   &decoded);
-  EXPECT_NE(0, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode2_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
-  map<int, bufferlist> decoded;
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-
-  bufferlist out;
-  shec->decode_concat(encoded, &out);
-  bufferlist usable;
-  usable.substr_of(out, 0, in.length());
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode2_3)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  // all chunks are available
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
-  map<int, bufferlist> decoded;
-
-  pthread_t tid;
-  g_flag = 0;
-  pthread_create(&tid, NULL, thread4, shec);
-  while (g_flag == 0) {
-    usleep(1);
-  }
-  sleep(1);
-  printf("*** test start ***\n");
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		   &decoded);
-  EXPECT_TRUE(shec->matrix != NULL);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(2u, decoded.size());
-  printf("*** test end ***\n");
-  g_flag = 0;
-  pthread_join(tid, NULL);
-
-  bufferlist out;
-  shec->decode_concat(encoded, &out);
-  bufferlist usable;
-  usable.substr_of(out, 0, in.length());
-  EXPECT_TRUE(usable == in);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, decode2_4)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //encode
-  bufferlist in;
-  set<int> want_to_encode;
-  map<int, bufferlist> encoded;
-
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  int r = shec->encode(want_to_encode, in, &encoded);
-  EXPECT_EQ(0, r);
-  EXPECT_EQ(shec->get_chunk_count(), encoded.size());
-  EXPECT_EQ(shec->get_chunk_size(in.length()), encoded[0].length());
-
-  //decode
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
-  map<int, bufferlist> decoded;
-
-  // cannot recover
-  bufferlist out;
-  map<int, bufferlist> degraded;
-  degraded[0] = encoded[0];
-
-  r = shec->decode(set<int>(want_to_decode, want_to_decode + 2), degraded,
-		   &decoded);
-  EXPECT_EQ(-1, r);
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, create_rule_1_2)
-{
-  //create ruleset
-  CrushWrapper *crush = new CrushWrapper;
-  crush->create();
-  crush->set_type_name(2, "root");
-  crush->set_type_name(1, "host");
-  crush->set_type_name(0, "osd");
-
-  int rootno;
-  crush->add_bucket(0, CRUSH_BUCKET_STRAW, CRUSH_HASH_RJENKINS1, 2, 0, NULL,
-		    NULL, &rootno);
-  crush->set_item_name(rootno, "default");
-
-  map < string, string > loc;
-  loc["root"] = "default";
-
-  int num_host = 2;
-  int num_osd = 5;
-  int osd = 0;
-  for (int h = 0; h < num_host; ++h) {
-    loc["host"] = string("host-") + stringify(h);
-    for (int o = 0; o < num_osd; ++o, ++osd) {
-      crush->insert_item(g_ceph_context, osd, 1.0,
-			 string("osd.") + stringify(osd), loc);
-    }
-  }
-
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //create_rule
-  stringstream ss;
-
-  int r = shec->create_rule("myrule", *crush, &ss);
-  EXPECT_EQ(0, r);
-  EXPECT_STREQ("myrule", crush->rule_name_map[0].c_str());
-
-  //reexecute create_rule
-  r = shec->create_rule("myrule", *crush, &ss);
-  EXPECT_EQ(-EEXIST, r);
-
-  delete shec;
-  delete profile;
-  delete crush;
-}
-
-TEST(ErasureCodeShec, create_rule_4)
-{
-  //create ruleset
-  CrushWrapper *crush = new CrushWrapper;
-  crush->create();
-  crush->set_type_name(2, "root");
-  crush->set_type_name(1, "host");
-  crush->set_type_name(0, "osd");
-
-  int rootno;
-  crush->add_bucket(0, CRUSH_BUCKET_STRAW, CRUSH_HASH_RJENKINS1, 2, 0, NULL,
-		    NULL, &rootno);
-  crush->set_item_name(rootno, "default");
-
-  map < string, string > loc;
-  loc["root"] = "default";
-
-  int num_host = 2;
-  int num_osd = 5;
-  int osd = 0;
-  for (int h = 0; h < num_host; ++h) {
-    loc["host"] = string("host-") + stringify(h);
-    for (int o = 0; o < num_osd; ++o, ++osd) {
-      crush->insert_item(g_ceph_context, osd, 1.0,
-			 string("osd.") + stringify(osd), loc);
-    }
-  }
-
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //create_rule
-  int r = shec->create_rule("myrule", *crush, NULL);	//ss = NULL
-  EXPECT_EQ(0, r);
-
-  delete shec;
-  delete profile;
-  delete crush;
-}
-
-TEST(ErasureCodeShec, create_rule2_1)
-{
-  //create ruleset
-  CrushWrapper *crush = new CrushWrapper;
-  crush->create();
-  crush->set_type_name(2, "root");
-  crush->set_type_name(1, "host");
-  crush->set_type_name(0, "osd");
-
-  int rootno;
-  crush->add_bucket(0, CRUSH_BUCKET_STRAW, CRUSH_HASH_RJENKINS1, 2, 0, NULL,
-		    NULL, &rootno);
-  crush->set_item_name(rootno, "default");
-
-  map < string, string > loc;
-  loc["root"] = "default";
-
-  int num_host = 2;
-  int num_osd = 5;
-  int osd = 0;
-  for (int h = 0; h < num_host; ++h) {
-    loc["host"] = string("host-") + stringify(h);
-    for (int o = 0; o < num_osd; ++o, ++osd) {
-      crush->insert_item(g_ceph_context, osd, 1.0,
-			 string("osd.") + stringify(osd), loc);
-    }
-  }
-
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //create_rule
-  stringstream ss;
-
-  int r = shec->create_rule("myrule", *crush, &ss);
-  EXPECT_EQ(0, r);
-  EXPECT_STREQ("myrule", crush->rule_name_map[0].c_str());
-
-  delete shec;
-  delete profile;
-  delete crush;
-}
-
-struct CreateRuleset2_3_Param_d {
-  ErasureCodeShec *shec;
-  CrushWrapper *crush;
-};
-
-TEST(ErasureCodeShec, create_rule2_3)
-{
-  //create ruleset
-  CrushWrapper *crush = new CrushWrapper;
-  crush->create();
-  crush->set_type_name(2, "root");
-  crush->set_type_name(1, "host");
-  crush->set_type_name(0, "osd");
-
-  int rootno;
-  crush->add_bucket(0, CRUSH_BUCKET_STRAW, CRUSH_HASH_RJENKINS1, 2, 0, NULL,
-		    NULL, &rootno);
-  crush->set_item_name(rootno, "default");
-
-  map < string, string > loc;
-  loc["root"] = "default";
-
-  int num_host = 2;
-  int num_osd = 5;
-  int osd = 0;
-  for (int h = 0; h < num_host; ++h) {
-    loc["host"] = string("host-") + stringify(h);
-    for (int o = 0; o < num_osd; ++o, ++osd) {
-      crush->insert_item(g_ceph_context, osd, 1.0,
-			 string("osd.") + stringify(osd), loc);
-    }
-  }
-
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //create_rule
-  stringstream ss;
-
-  pthread_t tid;
-  g_flag = 0;
-  pthread_create(&tid, NULL, thread3, shec);
-  while (g_flag == 0) {
-    usleep(1);
-  }
-  sleep(1);
-  printf("*** test start ***\n");
-  int r = (shec->create_rule("myrule", *crush, &ss));
-  EXPECT_TRUE(r >= 0);
-  printf("*** test end ***\n");
-  g_flag = 0;
-  pthread_join(tid, NULL);
-
-  delete shec;
-  delete profile;
-  delete crush;
-}
-
-TEST(ErasureCodeShec, get_chunk_count_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //get_chunk_count
-  EXPECT_EQ(7u, shec->get_chunk_count());
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, get_data_chunk_count_1)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  shec->init(*profile, &cerr);
-
-  //get_data_chunk_count
-  EXPECT_EQ(4u, shec->get_data_chunk_count());
-
-  delete shec;
-  delete profile;
-}
-
-TEST(ErasureCodeShec, get_chunk_size_1_2)
-{
-  //init
-  ErasureCodeShecTableCache tcache;
-  ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
-				  tcache,
-				  ErasureCodeShec::MULTIPLE);
-  ErasureCodeProfile *profile = new ErasureCodeProfile();
-  (*profile)["plugin"] = "shec";
-  (*profile)["technique"] = "";
-  (*profile)["crush-failure-domain"] = "osd";
-  (*profile)["k"] = "4";
-  (*profile)["m"] = "3";
-  (*profile)["c"] = "2";
-  (*profile)["w"] = "8";
-  shec->init(*profile, &cerr);
-
-  //when there is no padding(128=k*w*4)
-  EXPECT_EQ(32u, shec->get_chunk_size(128));
-  //when there is padding(126=k*w*4-2)
-  EXPECT_EQ(32u, shec->get_chunk_size(126));
-
-  delete shec;
-  delete profile;
-}
-
-void* thread1(void* pParam)
-{
-  ErasureCodeShec* shec = (ErasureCodeShec*) pParam;
-  set<int> want_to_decode;
-  set<int> available_chunks;
-  set<int> minimum_chunks;
-
-  want_to_decode.insert(0);
-  want_to_decode.insert(1);
-  available_chunks.insert(0);
-  available_chunks.insert(1);
-  available_chunks.insert(2);
-
-  printf("*** thread loop start ***\n");
-  g_flag = 1;
-  while (g_flag == 1) {
-    shec->minimum_to_decode(want_to_decode, available_chunks, &minimum_chunks);
-  }
-  printf("*** thread loop end ***\n");
-
-  return NULL;
-}
-
-void* thread2(void* pParam)
-{
-  ErasureCodeShec* shec = (ErasureCodeShec*) pParam;
-  set<int> want_to_decode;
-  map<int, int> available_chunks;
-  set<int> minimum_chunks;
-
-  want_to_decode.insert(0);
-  want_to_decode.insert(1);
-  available_chunks[0] = 0;
-  available_chunks[1] = 1;
-  available_chunks[2] = 2;
-
-  printf("*** thread loop start ***\n");
-  g_flag = 1;
-  while (g_flag == 1) {
-    shec->minimum_to_decode_with_cost(want_to_decode, available_chunks,
-				      &minimum_chunks);
-    minimum_chunks.clear();
-  }
-  printf("*** thread loop end ***\n");
-
-  return NULL;
-}
-
-void* thread3(void* pParam)
-{
-  ErasureCodeShec* shec = (ErasureCodeShec*) pParam;
-
-  CrushWrapper *crush = new CrushWrapper;
-  crush->create();
-  crush->set_type_name(2, "root");
-  crush->set_type_name(1, "host");
-  crush->set_type_name(0, "osd");
-
-  int rootno;
-  crush->add_bucket(0, CRUSH_BUCKET_STRAW, CRUSH_HASH_RJENKINS1, 2, 0, NULL,
-		    NULL, &rootno);
-  crush->set_item_name(rootno, "default");
-
-  map < string, string > loc;
-  loc["root"] = "default";
-
-  int num_host = 2;
-  int num_osd = 5;
-  int osd = 0;
-  for (int h = 0; h < num_host; ++h) {
-    loc["host"] = string("host-") + stringify(h);
-    for (int o = 0; o < num_osd; ++o, ++osd) {
-      crush->insert_item(g_ceph_context, osd, 1.0,
-			 string("osd.") + stringify(osd), loc);
-    }
-  }
-
-  stringstream ss;
-  int i = 0;
-  char name[30];
-
-  printf("*** thread loop start ***\n");
-  g_flag = 1;
-  while (g_flag == 1) {
-    sprintf(name, "myrule%d", i);
-    shec->create_rule(name, *crush, &ss);
-    ++i;
-  }
-  printf("*** thread loop end ***\n");
-
-  return NULL;
-}
-
-void* thread4(void* pParam)
-{
-  ErasureCodeShec* shec = (ErasureCodeShec*) pParam;
-
-  bufferlist in;
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-  );
-  set<int> want_to_encode;
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-
-  map<int, bufferlist> encoded;
-
-  printf("*** thread loop start ***\n");
-  g_flag = 1;
-  while (g_flag == 1) {
-    shec->encode(want_to_encode, in, &encoded);
-    encoded.clear();
-  }
-  printf("*** thread loop end ***\n");
-
-  return NULL;
-}
-
-void* thread5(void* pParam)
-{
-  ErasureCodeShec* shec = (ErasureCodeShec*) pParam;
-
-  bufferlist in;
-  in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//length = 62
-	  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
-	  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
-	  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//248
-	  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//310
-  );
-  set<int> want_to_encode;
-  for (unsigned int i = 0; i < shec->get_chunk_count(); ++i) {
-    want_to_encode.insert(i);
-  }
-  map<int, bufferlist> encoded;
-  shec->encode(want_to_encode, in, &encoded);
-
-  int want_to_decode[] = { 0, 1, 2, 3, 4, 5 };
-  map<int, bufferlist> decoded;
-
-  printf("*** thread loop start ***\n");
-  g_flag = 1;
-  while (g_flag == 1) {
-    shec->decode(set<int>(want_to_decode, want_to_decode + 2), encoded,
-		 &decoded);
-    decoded.clear();
-  }
-  printf("*** thread loop end ***\n");
-
-  return NULL;
-}