1 files changed, 399 insertions, 0 deletions
diff --git a/src/test/rgw/test_rgw_manifest.cc b/src/test/rgw/test_rgw_manifest.cc
new file mode 100644
index 000000000..8ccf17c94
--- /dev/null
+++ b/src/test/rgw/test_rgw_manifest.cc
@@ -0,0 +1,399 @@
+// -*- 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) 2013 eNovance SAS <licensing@enovance.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 "global/global_init.h"
+#include "common/ceph_argparse.h"
+#include "rgw/rgw_common.h"
+#include "rgw/rgw_rados.h"
+#include "test_rgw_common.h"
+#include <gtest/gtest.h>
+
+using namespace std;
+
+auto cct = new CephContext(CEPH_ENTITY_TYPE_CLIENT);
+const DoutPrefix dp(cct, 1, "test rgw manifest: ");
+
+struct OldObjManifestPart {
+  old_rgw_obj loc;   /* the object where the data is located */
+  uint64_t loc_ofs;  /* the offset at that object where the data is located */
+  uint64_t size;     /* the part size */
+
+  OldObjManifestPart() : loc_ofs(0), size(0) {}
+
+  void encode(bufferlist& bl) const {
+    ENCODE_START(2, 2, bl);
+    encode(loc, bl);
+    encode(loc_ofs, bl);
+    encode(size, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(bufferlist::const_iterator& bl) {
+     DECODE_START_LEGACY_COMPAT_LEN_32(2, 2, 2, bl);
+     decode(loc, bl);
+     decode(loc_ofs, bl);
+     decode(size, bl);
+     DECODE_FINISH(bl);
+  }
+
+  void dump(Formatter *f) const;
+  static void generate_test_instances(list<OldObjManifestPart*>& o);
+};
+WRITE_CLASS_ENCODER(OldObjManifestPart)
+
+class OldObjManifest {
+protected:
+  map<uint64_t, OldObjManifestPart> objs;
+
+  uint64_t obj_size;
+public:
+
+  OldObjManifest() : obj_size(0) {}
+  OldObjManifest(const OldObjManifest& rhs) {
+    *this = rhs;
+  }
+  OldObjManifest& operator=(const OldObjManifest& rhs) {
+    objs = rhs.objs;
+    obj_size = rhs.obj_size;
+    return *this;
+  }
+
+  const map<uint64_t, OldObjManifestPart>& get_objs() {
+    return objs;
+  }
+
+  void append(uint64_t ofs, const OldObjManifestPart& part) {
+    objs[ofs] = part;
+    obj_size = std::max(obj_size, ofs + part.size);
+  }
+
+  void encode(bufferlist& bl) const {
+    ENCODE_START(2, 2, bl);
+    encode(obj_size, bl);
+    encode(objs, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(bufferlist::const_iterator& bl) {
+    DECODE_START_LEGACY_COMPAT_LEN_32(6, 2, 2, bl);
+    decode(obj_size, bl);
+    decode(objs, bl);
+    DECODE_FINISH(bl);
+  }
+
+  bool empty() {
+    return objs.empty();
+  }
+};
+WRITE_CLASS_ENCODER(OldObjManifest)
+
+void append_head(list<rgw_obj> *objs, rgw_obj& head)
+{
+  objs->push_back(head);
+}
+
+void append_stripes(list<rgw_obj> *objs, RGWObjManifest& manifest, uint64_t obj_size, uint64_t stripe_size)
+{
+  string prefix = manifest.get_prefix();
+  rgw_bucket bucket = manifest.get_obj().bucket;
+
+  int i = 0;
+  for (uint64_t ofs = manifest.get_max_head_size(); ofs < obj_size; ofs += stripe_size) {
+    char buf[16];
+    snprintf(buf, sizeof(buf), "%d", ++i);
+    string oid = prefix + buf;
+  cout << "oid=" << oid << std::endl;
+    rgw_obj obj;
+    obj.init_ns(bucket, oid, "shadow");
+    objs->push_back(obj);
+  }
+}
+
+static void gen_obj(test_rgw_env& env, uint64_t obj_size, uint64_t head_max_size, uint64_t stripe_size,
+                    RGWObjManifest *manifest, const rgw_placement_rule& placement_rule, rgw_bucket *bucket, rgw_obj *head, RGWObjManifest::generator *gen,
+                    list<rgw_obj> *test_objs)
+{
+  manifest->set_trivial_rule(head_max_size, stripe_size);
+
+  test_rgw_init_bucket(bucket, "buck");
+
+  *head = rgw_obj(*bucket, "oid");
+  gen->create_begin(g_ceph_context, manifest, placement_rule, nullptr, *bucket, *head);
+
+  append_head(test_objs, *head);
+  cout << "test_objs.size()=" << test_objs->size() << std::endl;
+  append_stripes(test_objs, *manifest, obj_size, stripe_size);
+
+  cout << "test_objs.size()=" << test_objs->size() << std::endl;
+
+  ASSERT_EQ((int)manifest->get_obj_size(), 0);
+  ASSERT_EQ((int)manifest->get_head_size(), 0);
+  ASSERT_EQ(manifest->has_tail(), false);
+
+  uint64_t ofs = 0;
+  list<rgw_obj>::iterator iter = test_objs->begin();
+
+  while (ofs < obj_size) {
+    rgw_raw_obj obj = gen->get_cur_obj(env.zonegroup, env.zone_params);
+    cout << "obj=" << obj << std::endl;
+    rgw_raw_obj test_raw = rgw_obj_select(*iter).get_raw_obj(env.zonegroup, env.zone_params);
+    ASSERT_TRUE(obj == test_raw);
+
+    ofs = std::min(ofs + gen->cur_stripe_max_size(), obj_size);
+    gen->create_next(ofs);
+
+  cout << "obj=" << obj << " *iter=" << *iter << std::endl;
+  cout << "test_objs.size()=" << test_objs->size() << std::endl;
+    ++iter;
+
+  }
+
+  if (manifest->has_tail()) {
+    rgw_raw_obj obj = gen->get_cur_obj(env.zonegroup, env.zone_params);
+    rgw_raw_obj test_raw = rgw_obj_select(*iter).get_raw_obj(env.zonegroup, env.zone_params);
+    ASSERT_TRUE(obj == test_raw);
+    ++iter;
+  }
+  ASSERT_TRUE(iter == test_objs->end());
+  ASSERT_EQ(manifest->get_obj_size(), obj_size);
+  ASSERT_EQ(manifest->get_head_size(), std::min(obj_size, head_max_size));
+  ASSERT_EQ(manifest->has_tail(), (obj_size > head_max_size));
+}
+
+static void gen_old_obj(test_rgw_env& env, uint64_t obj_size, uint64_t head_max_size, uint64_t stripe_size,
+                    OldObjManifest *manifest, old_rgw_bucket *bucket, old_rgw_obj *head,
+                    list<old_rgw_obj> *test_objs)
+{
+  test_rgw_init_old_bucket(bucket, "buck");
+
+  *head = old_rgw_obj(*bucket, "obj");
+
+  OldObjManifestPart part;
+  part.loc = *head;
+  part.size = head_max_size;
+  part.loc_ofs = 0;
+
+  manifest->append(0, part);
+  test_objs->push_back(part.loc);
+
+  string prefix;
+  append_rand_alpha(g_ceph_context, prefix, prefix, 16);
+
+  int i = 0;
+  for (uint64_t ofs = head_max_size; ofs < obj_size; ofs += stripe_size, i++) {
+    char buf[32];
+    snprintf(buf, sizeof(buf), "%s.%d", prefix.c_str(), i);
+    old_rgw_obj loc(*bucket, buf);
+    loc.set_ns("shadow");
+    OldObjManifestPart part;
+    part.loc = loc;
+    part.size = min(stripe_size, obj_size - ofs);
+    part.loc_ofs = 0;
+
+    manifest->append(ofs, part);
+
+    test_objs->push_back(loc);
+  }
+}
+
+TEST(TestRGWManifest, head_only_obj) {
+  test_rgw_env env;
+  RGWObjManifest manifest;
+  rgw_bucket bucket;
+  rgw_obj head;
+  RGWObjManifest::generator gen;
+
+  int obj_size = 256 * 1024;
+
+  list<rgw_obj> objs;
+
+  gen_obj(env, obj_size, 512 * 1024, 4 * 1024 * 1024, &manifest, env.zonegroup.default_placement, &bucket, &head, &gen, &objs);
+
+  cout <<  " manifest.get_obj_size()=" << manifest.get_obj_size() << std::endl;
+  cout <<  " manifest.get_head_size()=" << manifest.get_head_size() << std::endl;
+  list<rgw_obj>::iterator liter;
+
+  RGWObjManifest::obj_iterator iter;
+  for (iter = manifest.obj_begin(&dp), liter = objs.begin();
+       iter != manifest.obj_end(&dp) && liter != objs.end();
+       ++iter, ++liter) {
+    ASSERT_TRUE(env.get_raw(*liter) == env.get_raw(iter.get_location()));
+  }
+
+  ASSERT_TRUE(iter == manifest.obj_end(&dp));
+  ASSERT_TRUE(liter == objs.end());
+
+  rgw_raw_obj raw_head;
+
+  iter = manifest.obj_find(&dp, 100 * 1024);
+  ASSERT_TRUE(env.get_raw(iter.get_location()) == env.get_raw(head));
+  ASSERT_EQ((int)iter.get_stripe_size(), obj_size);
+}
+
+TEST(TestRGWManifest, obj_with_head_and_tail) {
+  test_rgw_env env;
+  RGWObjManifest manifest;
+  rgw_bucket bucket;
+  rgw_obj head;
+  RGWObjManifest::generator gen;
+
+  list<rgw_obj> objs;
+
+  int obj_size = 21 * 1024 * 1024 + 1000;
+  int stripe_size = 4 * 1024 * 1024;
+  int head_size = 512 * 1024;
+
+  gen_obj(env, obj_size, head_size, stripe_size, &manifest, env.zonegroup.default_placement, &bucket, &head, &gen, &objs);
+
+  list<rgw_obj>::iterator liter;
+
+  rgw_obj_select last_obj;
+
+  RGWObjManifest::obj_iterator iter;
+  for (iter = manifest.obj_begin(&dp), liter = objs.begin();
+       iter != manifest.obj_end(&dp) && liter != objs.end();
+       ++iter, ++liter) {
+    cout << "*liter=" << *liter << " iter.get_location()=" << env.get_raw(iter.get_location()) << std::endl;
+    ASSERT_TRUE(env.get_raw(*liter) == env.get_raw(iter.get_location()));
+
+    last_obj = iter.get_location();
+  }
+
+  ASSERT_TRUE(iter == manifest.obj_end(&dp));
+  ASSERT_TRUE(liter == objs.end());
+
+  iter = manifest.obj_find(&dp, 100 * 1024);
+  ASSERT_TRUE(env.get_raw(iter.get_location()) == env.get_raw(head));
+  ASSERT_EQ((int)iter.get_stripe_size(), head_size);
+
+  uint64_t ofs = 20 * 1024 * 1024 + head_size;
+  iter = manifest.obj_find(&dp, ofs + 100);
+
+  ASSERT_TRUE(env.get_raw(iter.get_location()) == env.get_raw(last_obj));
+  ASSERT_EQ(iter.get_stripe_ofs(), ofs);
+  ASSERT_EQ(iter.get_stripe_size(), obj_size - ofs);
+}
+
+TEST(TestRGWManifest, multipart) {
+  test_rgw_env env;
+  int num_parts = 16;
+  vector <RGWObjManifest> pm(num_parts);
+  rgw_bucket bucket;
+  uint64_t part_size = 10 * 1024 * 1024;
+  uint64_t stripe_size = 4 * 1024 * 1024;
+
+  string upload_id = "abc123";
+
+  for (int i = 0; i < num_parts; ++i) {
+    RGWObjManifest& manifest = pm[i];
+    RGWObjManifest::generator gen;
+    manifest.set_prefix(upload_id);
+
+    manifest.set_multipart_part_rule(stripe_size, i + 1);
+
+    uint64_t ofs;
+    rgw_obj head;
+    for (ofs = 0; ofs < part_size; ofs += stripe_size) {
+      if (ofs == 0) {
+        rgw_placement_rule rule(env.zonegroup.default_placement.name, RGW_STORAGE_CLASS_STANDARD);
+        int r = gen.create_begin(g_ceph_context, &manifest, rule, nullptr, bucket, head);
+        ASSERT_EQ(r, 0);
+        continue;
+      }
+      gen.create_next(ofs);
+    }
+
+    if (ofs > part_size) {
+      gen.create_next(part_size);
+    }
+  }
+
+  RGWObjManifest m;
+
+  for (int i = 0; i < num_parts; i++) {
+    m.append(&dp, pm[i], env.zonegroup, env.zone_params);
+  }
+  RGWObjManifest::obj_iterator iter;
+  for (iter = m.obj_begin(&dp); iter != m.obj_end(&dp); ++iter) {
+    RGWObjManifest::obj_iterator fiter = m.obj_find(&dp, iter.get_ofs());
+    ASSERT_TRUE(env.get_raw(fiter.get_location()) == env.get_raw(iter.get_location()));
+  }
+
+  ASSERT_EQ(m.get_obj_size(), num_parts * part_size);
+}
+
+TEST(TestRGWManifest, old_obj_manifest) {
+  test_rgw_env env;
+  OldObjManifest old_manifest;
+  old_rgw_bucket old_bucket;
+  old_rgw_obj old_head;
+
+  int obj_size = 40 * 1024 * 1024;
+  uint64_t stripe_size = 4 * 1024 * 1024;
+  uint64_t head_size = 512 * 1024;
+
+  list<old_rgw_obj> old_objs;
+
+  gen_old_obj(env, obj_size, head_size, stripe_size, &old_manifest, &old_bucket, &old_head, &old_objs);
+
+  ASSERT_EQ(old_objs.size(), 11u);
+
+
+  bufferlist bl;
+  encode(old_manifest , bl);
+
+  RGWObjManifest manifest;
+
+  try {
+    auto iter = bl.cbegin();
+    decode(manifest, iter);
+  } catch (buffer::error& err) {
+    ASSERT_TRUE(false);
+  }
+
+  rgw_raw_obj last_obj;
+
+  RGWObjManifest::obj_iterator iter;
+  auto liter = old_objs.begin();
+  for (iter = manifest.obj_begin(&dp);
+       iter != manifest.obj_end(&dp) && liter != old_objs.end();
+       ++iter, ++liter) {
+    rgw_pool old_pool(liter->bucket.data_pool);
+    string old_oid;
+    prepend_old_bucket_marker(old_bucket, liter->get_object(), old_oid);
+    rgw_raw_obj raw_old(old_pool, old_oid);
+    cout << "*liter=" << raw_old << " iter.get_location()=" << env.get_raw(iter.get_location()) << std::endl;
+    ASSERT_EQ(raw_old, env.get_raw(iter.get_location()));
+
+    last_obj = env.get_raw(iter.get_location());
+  }
+
+  ASSERT_TRUE(liter == old_objs.end());
+  ASSERT_TRUE(iter == manifest.obj_end(&dp));
+
+}
+
+
+int main(int argc, char **argv) {
+  vector<const char*> args;
+  argv_to_vec(argc, (const char **)argv, args);
+
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+			 CODE_ENVIRONMENT_UTILITY,
+			 CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+  common_init_finish(g_ceph_context);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
+