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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) 2019 Red Hat <contact@redhat.com>
* Author: Adam C. Emerson <aemerson@redhat.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <iostream>
#include <initializer_list>
#include <optional>
#include <thread>
#include <tuple>
#include <string_view>
#include <vector>
#include <sys/param.h>
#include <unistd.h>
#include <boost/system/system_error.hpp>
#include <fmt/format.h>
#include "include/neorados/RADOS.hpp"
#include "include/scope_guard.h"
#include "common/async/context_pool.h"
#include "common/ceph_time.h"
#include "common/ceph_argparse.h"
#include "common/async/blocked_completion.h"
#include "global/global_init.h"
#include "test/neorados/common_tests.h"
namespace ba = boost::asio;
namespace bs = boost::system;
namespace ca = ceph::async;
namespace R = neorados;
std::string_view hostname() {
static char hostname[MAXHOSTNAMELEN] = { 0 };
static size_t len = 0;
if (!len) {
auto r = gethostname(hostname, sizeof(hostname));
if (r != 0) {
throw bs::system_error(
errno, bs::system_category());
}
len = std::strlen(hostname);
}
return {hostname, len};
}
std::string temp_pool_name(const std::string_view prefix)
{
using namespace std::chrono;
static std::uint64_t num = 1;
return fmt::format(
"{}-{}-{}-{}-{}",
prefix,
hostname(),
getpid(),
duration_cast<milliseconds>(ceph::coarse_real_clock::now()
.time_since_epoch()).count(),
num++);
}
bs::error_code noisy_list(R::RADOS& r, int64_t p)
{
auto b = R::Cursor::begin();
auto e = R::Cursor::end();
std::cout << "begin = " << b.to_str() << std::endl;
std::cout << "end = " << e.to_str() << std::endl;
try {
auto [v, next] = r.enumerate_objects(p, b, e, 1000, {}, ca::use_blocked,
R::all_nspaces);
std::cout << "Got " << v.size() << " entries." << std::endl;
std::cout << "next cursor = " << next.to_str() << std::endl;
std::cout << "next == end: " << (next == e) << std::endl;
std::cout << "Returned Objects: ";
std::cout << "[";
auto o = v.cbegin();
while (o != v.cend()) {
std::cout << *o;
if (++o != v.cend())
std::cout << " ";
}
std::cout << "]" << std::endl;
} catch (const bs::system_error& e) {
std::cerr << "RADOS::enumerate_objects: " << e.what() << std::endl;
return e.code();
}
return {};
}
bs::error_code create_several(R::RADOS& r, const R::IOContext& i,
std::initializer_list<std::string> l)
{
for (const auto& o : l) try {
R::WriteOp op;
std::cout << "Creating " << o << std::endl;
ceph::bufferlist bl;
bl.append("My bologna has no name.");
op.write_full(std::move(bl));
r.execute(o, i, std::move(op), ca::use_blocked);
} catch (const bs::system_error& e) {
std::cerr << "RADOS::execute: " << e.what() << std::endl;
return e.code();
}
return {};
}
int main(int argc, char** argv)
{
using namespace std::literals;
auto args = argv_to_vec(argc, argv);
env_to_vec(args);
auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY, 0);
common_init_finish(cct.get());
try {
ca::io_context_pool p(1);
auto r = R::RADOS::make_with_cct(cct.get(), p, ca::use_blocked);
auto pool_name = get_temp_pool_name("ceph_test_RADOS_list_pool"sv);
r.create_pool(pool_name, std::nullopt, ca::use_blocked);
auto pd = make_scope_guard(
[&pool_name, &r]() {
r.delete_pool(pool_name, ca::use_blocked);
});
auto pool = r.lookup_pool(pool_name, ca::use_blocked);
R::IOContext i(pool);
if (noisy_list(r, pool)) {
return 1;
}
if (create_several(r, i, {"meow", "woof", "squeak"})) {
return 1;
}
if (noisy_list(r, pool)) {
return 1;
}
} catch (const bs::system_error& e) {
std::cerr << "Error: " << e.what() << std::endl;
return 1;
}
return 0;
}
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