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// -*- 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 executes some threads at the same time
#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);
class TestParam {
public:
string k, m, c, w;
};
TEST(ErasureCodeShec, thread)
{
TestParam param1, param2, param3, param4, param5;
param1.k = "6";
param1.m = "4";
param1.c = "3";
param1.w = "8";
param2.k = "4";
param2.m = "3";
param2.c = "2";
param2.w = "16";
param3.k = "10";
param3.m = "8";
param3.c = "4";
param3.w = "32";
param4.k = "5";
param4.m = "5";
param4.c = "5";
param4.w = "8";
param5.k = "9";
param5.m = "9";
param5.c = "6";
param5.w = "16";
pthread_t tid1, tid2, tid3, tid4, tid5;
pthread_create(&tid1, NULL, thread1, (void*) ¶m1);
std::cout << "thread1 start " << std::endl;
pthread_create(&tid2, NULL, thread1, (void*) ¶m2);
std::cout << "thread2 start " << std::endl;
pthread_create(&tid3, NULL, thread1, (void*) ¶m3);
std::cout << "thread3 start " << std::endl;
pthread_create(&tid4, NULL, thread1, (void*) ¶m4);
std::cout << "thread4 start " << std::endl;
pthread_create(&tid5, NULL, thread1, (void*) ¶m5);
std::cout << "thread5 start " << std::endl;
pthread_join(tid1, NULL);
pthread_join(tid2, NULL);
pthread_join(tid3, NULL);
pthread_join(tid4, NULL);
pthread_join(tid5, NULL);
}
void* thread1(void* pParam)
{
TestParam* param = static_cast<TestParam*>(pParam);
time_t start, end;
ErasureCodePluginRegistry &instance = ErasureCodePluginRegistry::instance();
instance.disable_dlclose = true;
{
std::lock_guard l{instance.lock};
__erasure_code_init((char*) "shec", (char*) "");
}
std::cout << "__erasure_code_init finish " << std::endl;
//encode
bufferlist in;
set<int> want_to_encode;
map<int, bufferlist> encoded;
in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" //length = 62
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//124
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"//186
"012345"//192
);
//decode
int want_to_decode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
map<int, bufferlist> decoded;
bufferlist out1, out2, usable;
time(&start);
time(&end);
const int kTestSec = 60;
ErasureCodeShecTableCache tcache;
while (kTestSec >= (end - start)) {
//init
int r;
ErasureCodeShec* shec = new ErasureCodeShecReedSolomonVandermonde(
tcache,
ErasureCodeShec::MULTIPLE);
ErasureCodeProfile *profile = new ErasureCodeProfile();
(*profile)["plugin"] = "shec";
(*profile)["technique"] = "multiple";
(*profile)["crush-failure-domain"] = "osd";
(*profile)["k"] = param->k;
(*profile)["m"] = param->m;
(*profile)["c"] = param->c;
(*profile)["w"] = param->w;
r = shec->init(*profile, &cerr);
int i_k = std::atoi(param->k.c_str());
int i_m = std::atoi(param->m.c_str());
int i_c = std::atoi(param->c.c_str());
int i_w = std::atoi(param->w.c_str());
EXPECT_EQ(0, r);
EXPECT_EQ(i_k, shec->k);
EXPECT_EQ(i_m, shec->m);
EXPECT_EQ(i_c, shec->c);
EXPECT_EQ(i_w, 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);
if ((shec->matrix == NULL)) {
std::cout << "matrix is null" << std::endl;
// error
break;
}
//encode
for (unsigned int i = 0; i < shec->get_chunk_count(); i++) {
want_to_encode.insert(i);
}
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());
if (r != 0) {
std::cout << "error in encode" << std::endl;
//error
break;
}
//decode
r = shec->_decode(set<int>(want_to_decode, want_to_decode + 2),
encoded,
&decoded);
EXPECT_EQ(0, r);
EXPECT_EQ(2u, decoded.size());
EXPECT_EQ(shec->get_chunk_size(in.length()), decoded[0].length());
if (r != 0) {
std::cout << "error in decode" << std::endl;
//error
break;
}
//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);
if (out1 == in || !(usable == in)) {
std::cout << "encode(decode) result is not correct" << std::endl;
break;
}
delete shec;
delete profile;
want_to_encode.clear();
encoded.clear();
decoded.clear();
out1.clear();
out2.clear();
usable.clear();
time(&end);
}
return NULL;
}
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