diff options
Diffstat (limited to 'src/test/libradosstriper/striping.cc')
| -rw-r--r-- | src/test/libradosstriper/striping.cc | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/src/test/libradosstriper/striping.cc b/src/test/libradosstriper/striping.cc new file mode 100644 index 000000000..2de8b55f8 --- /dev/null +++ b/src/test/libradosstriper/striping.cc @@ -0,0 +1,329 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "include/compat.h" +#include "include/types.h" +#include "include/rados/librados.h" +#include "include/rados/librados.hpp" +#include "include/radosstriper/libradosstriper.h" +#include "include/radosstriper/libradosstriper.hpp" +#include "include/ceph_fs.h" +#include "test/librados/test.h" +#include "test/libradosstriper/TestCase.h" + +#include <string> +#include <errno.h> +using namespace librados; +using namespace libradosstriper; + +class StriperTestRT : public StriperTestParam { +public: + StriperTestRT() : StriperTestParam() {} +protected: + char* getObjName(const std::string& soid, uint64_t nb) + { + char name[soid.size()+18]; + sprintf(name, "%s.%016llx", soid.c_str(), (long long unsigned int)nb); + return strdup(name); + } + + void checkObjectFromRados(const std::string& soid, bufferlist &bl, + uint64_t exp_stripe_unit, uint64_t exp_stripe_count, + uint64_t exp_object_size, size_t size) + { + checkObjectFromRados(soid, bl, exp_stripe_unit, exp_stripe_count, exp_object_size, size, size); + } + + void checkObjectFromRados(const std::string& soid, bufferlist &bl, + uint64_t exp_stripe_unit, uint64_t exp_stripe_count, + uint64_t exp_object_size, size_t size, + size_t actual_size_if_sparse) + { + // checking first object's rados xattrs + bufferlist xattrbl; + char* firstOid = getObjName(soid, 0); + ASSERT_LT(0, ioctx.getxattr(firstOid, "striper.layout.stripe_unit", xattrbl)); + std::string s_xattr(xattrbl.c_str(), xattrbl.length()); // adds 0 byte at the end + uint64_t stripe_unit = strtoll(s_xattr.c_str(), NULL, 10); + ASSERT_LT((unsigned)0, stripe_unit); + ASSERT_EQ(stripe_unit, exp_stripe_unit); + xattrbl.clear(); + ASSERT_LT(0, ioctx.getxattr(firstOid, "striper.layout.stripe_count", xattrbl)); + s_xattr = std::string(xattrbl.c_str(), xattrbl.length()); // adds 0 byte at the end + uint64_t stripe_count = strtoll(s_xattr.c_str(), NULL, 10); + ASSERT_LT(0U, stripe_count); + ASSERT_EQ(stripe_count, exp_stripe_count); + xattrbl.clear(); + ASSERT_LT(0, ioctx.getxattr(firstOid, "striper.layout.object_size", xattrbl)); + s_xattr = std::string(xattrbl.c_str(), xattrbl.length()); // adds 0 byte at the end + uint64_t object_size = strtoll(s_xattr.c_str(), NULL, 10); + ASSERT_EQ(object_size, exp_object_size); + xattrbl.clear(); + ASSERT_LT(0, ioctx.getxattr(firstOid, "striper.size", xattrbl)); + s_xattr = std::string(xattrbl.c_str(), xattrbl.length()); // adds 0 byte at the end + uint64_t xa_size = strtoll(s_xattr.c_str(), NULL, 10); + ASSERT_EQ(xa_size, size); + // checking object content from rados point of view + // we will go stripe by stripe, read the content of each of them and + // check with expectations + uint64_t stripe_per_object = object_size / stripe_unit; + uint64_t stripe_per_objectset = stripe_per_object * stripe_count; + uint64_t nb_stripes_in_object = (size+stripe_unit-1)/stripe_unit; + for (uint64_t stripe_nb = 0; + stripe_nb < nb_stripes_in_object; + stripe_nb++) { + // find out where this stripe is stored + uint64_t objectset = stripe_nb / stripe_per_objectset; + uint64_t stripe_in_object_set = stripe_nb % stripe_per_objectset; + uint64_t object_in_set = stripe_in_object_set % stripe_count; + uint64_t stripe_in_object = stripe_in_object_set / stripe_count; + uint64_t object_nb = objectset * stripe_count + object_in_set; + uint64_t start = stripe_in_object * stripe_unit; + uint64_t len = stripe_unit; + if (stripe_nb == nb_stripes_in_object-1 and size % stripe_unit != 0) { + len = size % stripe_unit; + } + // handle case of sparse object (can only be sparse at the end in our tests) + if (actual_size_if_sparse < size and + ((actual_size_if_sparse+stripe_unit-1)/stripe_unit)-1 == stripe_nb) { + len = actual_size_if_sparse % stripe_unit; + if (0 == len) len = stripe_unit; + } + bufferlist stripe_data; + // check object content + char* oid = getObjName(soid, object_nb); + int rc = ioctx.read(oid, stripe_data, len, start); + if (actual_size_if_sparse < size and + (actual_size_if_sparse+stripe_unit-1)/stripe_unit <= stripe_nb) { + // sparse object case : the stripe does not exist, but the rados object may + uint64_t object_start = (object_in_set + objectset*stripe_per_objectset) * stripe_unit; + if (actual_size_if_sparse <= object_start) { + ASSERT_EQ(rc, -ENOENT); + } else { + ASSERT_EQ(rc, 0); + } + } else { + ASSERT_EQ((uint64_t)rc, len); + bufferlist original_data; + original_data.substr_of(bl, stripe_nb*stripe_unit, len); + ASSERT_EQ(0, memcmp(original_data.c_str(), stripe_data.c_str(), len)); + } + free(oid); + } + // checking rados object sizes; we go object by object + uint64_t nb_full_object_sets = nb_stripes_in_object / stripe_per_objectset; + uint64_t nb_extra_objects = nb_stripes_in_object % stripe_per_objectset; + if (nb_extra_objects > stripe_count) nb_extra_objects = stripe_count; + uint64_t nb_objects = nb_full_object_sets * stripe_count + nb_extra_objects; + for (uint64_t object_nb = 0; object_nb < nb_objects; object_nb++) { + uint64_t rados_size; + time_t mtime; + char* oid = getObjName(soid, object_nb); + uint64_t nb_full_object_set = object_nb / stripe_count; + uint64_t object_index_in_set = object_nb % stripe_count; + uint64_t object_start_stripe = nb_full_object_set * stripe_per_objectset + object_index_in_set; + uint64_t object_start_off = object_start_stripe * stripe_unit; + if (actual_size_if_sparse < size and actual_size_if_sparse <= object_start_off) { + ASSERT_EQ(-ENOENT, ioctx.stat(oid, &rados_size, &mtime)); + } else { + ASSERT_EQ(0, ioctx.stat(oid, &rados_size, &mtime)); + uint64_t offset; + uint64_t stripe_size = stripe_count * stripe_unit; + uint64_t set_size = stripe_count * object_size; + uint64_t len = 0; + for (offset = object_start_off; + (offset < (object_start_off) + set_size) && (offset < actual_size_if_sparse); + offset += stripe_size) { + if (offset + stripe_unit > actual_size_if_sparse) { + len += actual_size_if_sparse-offset; + } else { + len += stripe_unit; + } + } + ASSERT_EQ(len, rados_size); + } + free(oid); + } + // check we do not have an extra object behind + uint64_t rados_size; + time_t mtime; + char* oid = getObjName(soid, nb_objects); + ASSERT_EQ(-ENOENT, ioctx.stat(oid, &rados_size, &mtime)); + free(oid); + free(firstOid); + } +}; + +TEST_P(StriperTestRT, StripedRoundtrip) { + // get striping parameters and apply them + TestData testData = GetParam(); + ASSERT_EQ(0, striper.set_object_layout_stripe_unit(testData.stripe_unit)); + ASSERT_EQ(0, striper.set_object_layout_stripe_count(testData.stripe_count)); + ASSERT_EQ(0, striper.set_object_layout_object_size(testData.object_size)); + std::ostringstream oss; + oss << "StripedRoundtrip_" << testData.stripe_unit << "_" + << testData.stripe_count << "_" << testData.object_size + << "_" << testData.size; + std::string soid = oss.str(); + // writing striped data + std::unique_ptr<char[]> buf1; + bufferlist bl1; + { + SCOPED_TRACE("Writing initial object"); + buf1 = std::make_unique<char[]>(testData.size); + for (unsigned int i = 0; i < testData.size; i++) buf1[i] = 13*((unsigned char)i); + bl1.append(buf1.get(), testData.size); + ASSERT_EQ(0, striper.write(soid, bl1, testData.size, 0)); + // checking object state from Rados point of view + ASSERT_NO_FATAL_FAILURE(checkObjectFromRados(soid, bl1, testData.stripe_unit, + testData.stripe_count, testData.object_size, + testData.size)); + } + // adding more data to object and checking again + std::unique_ptr<char[]> buf2; + bufferlist bl2; + { + SCOPED_TRACE("Testing append"); + buf2 = std::make_unique<char[]>(testData.size); + for (unsigned int i = 0; i < testData.size; i++) buf2[i] = 17*((unsigned char)i); + bl2.append(buf2.get(), testData.size); + ASSERT_EQ(0, striper.append(soid, bl2, testData.size)); + bl1.append(buf2.get(), testData.size); + ASSERT_NO_FATAL_FAILURE(checkObjectFromRados(soid, bl1, testData.stripe_unit, + testData.stripe_count, testData.object_size, + testData.size*2)); + } + // truncating to half original size and checking again + { + SCOPED_TRACE("Testing trunc to truncate object"); + ASSERT_EQ(0, striper.trunc(soid, testData.size/2)); + ASSERT_NO_FATAL_FAILURE(checkObjectFromRados(soid, bl1, testData.stripe_unit, + testData.stripe_count, testData.object_size, + testData.size/2)); + } + // truncating back to original size and checking again (especially for 0s) + { + SCOPED_TRACE("Testing trunc to extend object with 0s"); + ASSERT_EQ(0, striper.trunc(soid, testData.size)); + bufferlist bl3; + bl3.substr_of(bl1, 0, testData.size/2); + bl3.append_zero(testData.size - testData.size/2); + ASSERT_NO_FATAL_FAILURE(checkObjectFromRados(soid, bl3, testData.stripe_unit, + testData.stripe_count, testData.object_size, + testData.size, testData.size/2)); + } + { + SCOPED_TRACE("Testing write_full"); + // using write_full and checking again + ASSERT_EQ(0, striper.write_full(soid, bl2)); + checkObjectFromRados(soid, bl2, testData.stripe_unit, + testData.stripe_count, testData.object_size, + testData.size); + } + { + SCOPED_TRACE("Testing standard remove"); + // call remove + ASSERT_EQ(0, striper.remove(soid)); + // check that the removal was successful + uint64_t size; + time_t mtime; + for (uint64_t object_nb = 0; + object_nb < testData.size*2/testData.object_size + testData.stripe_count; + object_nb++) { + char* oid = getObjName(soid, object_nb); + ASSERT_EQ(-ENOENT, ioctx.stat(oid, &size, &mtime)); + free(oid); + } + } + { + SCOPED_TRACE("Testing remove when no object size"); + // recreate object + ASSERT_EQ(0, striper.write(soid, bl1, testData.size*2, 0)); + // remove the object size attribute from the striped object + char* firstOid = getObjName(soid, 0); + ASSERT_EQ(0, ioctx.rmxattr(firstOid, "striper.size")); + free(firstOid); + // check that stat fails + uint64_t size; + time_t mtime; + ASSERT_EQ(-ENODATA, striper.stat(soid, &size, &mtime)); + // call remove + ASSERT_EQ(0, striper.remove(soid)); + // check that the removal was successful + for (uint64_t object_nb = 0; + object_nb < testData.size*2/testData.object_size + testData.stripe_count; + object_nb++) { + char* oid = getObjName(soid, object_nb); + ASSERT_EQ(-ENOENT, ioctx.stat(oid, &size, &mtime)); + free(oid); + } + } +} + +const TestData simple_stripe_schemes[] = { + // stripe_unit, stripe_count, object_size, size + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 2}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, 3*CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, 3*CEPH_MIN_STRIPE_UNIT, 8*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, 3*CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, 3*CEPH_MIN_STRIPE_UNIT, 15*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, 3*CEPH_MIN_STRIPE_UNIT, 25*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 5, 3*CEPH_MIN_STRIPE_UNIT, 45*CEPH_MIN_STRIPE_UNIT+100}, + {262144, 5, 262144, 2}, + {262144, 5, 262144, 262144}, + {262144, 5, 262144, 262144-1}, + {262144, 5, 262144, 2*262144}, + {262144, 5, 262144, 12*262144}, + {262144, 5, 262144, 2*262144-1}, + {262144, 5, 262144, 12*262144-1}, + {262144, 5, 262144, 2*262144+100}, + {262144, 5, 262144, 12*262144+100}, + {262144, 5, 3*262144, 2*262144+100}, + {262144, 5, 3*262144, 8*262144+100}, + {262144, 5, 3*262144, 12*262144+100}, + {262144, 5, 3*262144, 15*262144+100}, + {262144, 5, 3*262144, 25*262144+100}, + {262144, 5, 3*262144, 45*262144+100}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 2}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, 3*CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, 3*CEPH_MIN_STRIPE_UNIT, 8*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, 3*CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, 3*CEPH_MIN_STRIPE_UNIT, 15*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, 3*CEPH_MIN_STRIPE_UNIT, 25*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 1, 3*CEPH_MIN_STRIPE_UNIT, 45*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 2}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT-1}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, 3*CEPH_MIN_STRIPE_UNIT, 2*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, 3*CEPH_MIN_STRIPE_UNIT, 8*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, 3*CEPH_MIN_STRIPE_UNIT, 12*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, 3*CEPH_MIN_STRIPE_UNIT, 15*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, 3*CEPH_MIN_STRIPE_UNIT, 25*CEPH_MIN_STRIPE_UNIT+100}, + {CEPH_MIN_STRIPE_UNIT, 50, 3*CEPH_MIN_STRIPE_UNIT, 45*CEPH_MIN_STRIPE_UNIT+100} +}; + +INSTANTIATE_TEST_SUITE_P(SimpleStriping, + StriperTestRT, + ::testing::ValuesIn(simple_stripe_schemes)); |