neorados: Test object enumeration

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>

diff --git a/src/test/neorados/CMakeLists.txt b/src/test/neorados/CMakeLists.txt
index 3466e85af3ab635601c2b23285ce40d5ef32f054..04a566de8389d3d6a180411e628f7f8b4a17f1c1 100644 (file)
--- a/src/test/neorados/CMakeLists.txt
+++ b/src/test/neorados/CMakeLists.txt
@@ -1,5 +1,6 @@
 add_executable(ceph_test_neorados_start_stop start_stop.cc)
-target_link_libraries(ceph_test_neorados_start_stop global libneorados ${unittest_libs})
+target_link_libraries(ceph_test_neorados_start_stop global libneorados
+  ${unittest_libs})
 
 add_executable(ceph_test_neorados_completions completions.cc)
 target_link_libraries(ceph_test_neorados_completions Boost::system pthread
@@ -12,3 +13,7 @@ target_link_libraries(ceph_test_neorados_op_speed
 add_library(neoradostest-support common_tests.cc)
 target_link_libraries(neoradostest-support
   libneorados fmt::fmt)
+
+add_executable(ceph_test_neorados_list_pool list_pool.cc)
+target_link_libraries(ceph_test_neorados_list_pool
+  libneorados neoradostest-support global fmt::fmt ${unittest_libs})

diff --git a/src/test/neorados/list_pool.cc b/src/test/neorados/list_pool.cc
new file mode 100644 (file)
index 0000000..8603920
--- /dev/null
+++ b/src/test/neorados/list_pool.cc
@@ -0,0 +1,167 @@
+// -*- 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;
+
+  std::vector<const char*> args;
+  argv_to_vec(argc, const_cast<const char**>(argv), args);
+  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;
+}