initial code repo

[stor4nfv.git] / src / ceph / src / os / bluestore / bluefs_types.cc

diff --git a/src/ceph/src/os/bluestore/bluefs_types.cc b/src/ceph/src/os/bluestore/bluefs_types.cc
new file mode 100644 (file)
index 0000000..93d79ff
--- /dev/null
+++ b/src/ceph/src/os/bluestore/bluefs_types.cc
@@ -0,0 +1,196 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "bluefs_types.h"
+#include "common/Formatter.h"
+#include "include/uuid.h"
+#include "include/stringify.h"
+
+// bluefs_extent_t
+void bluefs_extent_t::dump(Formatter *f) const
+{
+  f->dump_unsigned("offset", offset);
+  f->dump_unsigned("length", length);
+  f->dump_unsigned("bdev", bdev);
+}
+
+void bluefs_extent_t::generate_test_instances(list<bluefs_extent_t*>& ls)
+{
+  ls.push_back(new bluefs_extent_t);
+  ls.push_back(new bluefs_extent_t);
+  ls.back()->offset = 1;
+  ls.back()->length = 2;
+  ls.back()->bdev = 1;
+}
+
+ostream& operator<<(ostream& out, const bluefs_extent_t& e)
+{
+  return out << (int)e.bdev << ":0x" << std::hex << e.offset << "+" << e.length
+            << std::dec;
+}
+
+// bluefs_super_t
+
+void bluefs_super_t::encode(bufferlist& bl) const
+{
+  ENCODE_START(1, 1, bl);
+  ::encode(uuid, bl);
+  ::encode(osd_uuid, bl);
+  ::encode(version, bl);
+  ::encode(block_size, bl);
+  ::encode(log_fnode, bl);
+  ENCODE_FINISH(bl);
+}
+
+void bluefs_super_t::decode(bufferlist::iterator& p)
+{
+  DECODE_START(1, p);
+  ::decode(uuid, p);
+  ::decode(osd_uuid, p);
+  ::decode(version, p);
+  ::decode(block_size, p);
+  ::decode(log_fnode, p);
+  DECODE_FINISH(p);
+}
+
+void bluefs_super_t::dump(Formatter *f) const
+{
+  f->dump_stream("uuid") << uuid;
+  f->dump_stream("osd_uuid") << osd_uuid;
+  f->dump_unsigned("version", version);
+  f->dump_unsigned("block_size", block_size);
+  f->dump_object("log_fnode", log_fnode);
+}
+
+void bluefs_super_t::generate_test_instances(list<bluefs_super_t*>& ls)
+{
+  ls.push_back(new bluefs_super_t);
+  ls.push_back(new bluefs_super_t);
+  ls.back()->version = 1;
+  ls.back()->block_size = 4096;
+}
+
+ostream& operator<<(ostream& out, const bluefs_super_t& s)
+{
+  return out << "super(uuid " << s.uuid
+            << " osd " << s.osd_uuid
+            << " v " << s.version
+            << " block_size 0x" << std::hex << s.block_size
+            << " log_fnode 0x" << s.log_fnode
+            << std::dec << ")";
+}
+
+// bluefs_fnode_t
+
+mempool::bluefs::vector<bluefs_extent_t>::iterator bluefs_fnode_t::seek(
+  uint64_t offset, uint64_t *x_off)
+{
+  auto p = extents.begin();
+  while (p != extents.end()) {
+    if ((int64_t) offset >= p->length) {
+      offset -= p->length;
+      ++p;
+    } else {
+      break;
+    }
+  }
+  *x_off = offset;
+  return p;
+}
+
+void bluefs_fnode_t::dump(Formatter *f) const
+{
+  f->dump_unsigned("ino", ino);
+  f->dump_unsigned("size", size);
+  f->dump_stream("mtime") << mtime;
+  f->dump_unsigned("prefer_bdev", prefer_bdev);
+  f->open_array_section("extents");
+  for (auto& p : extents)
+    f->dump_object("extent", p);
+  f->close_section();
+}
+
+void bluefs_fnode_t::generate_test_instances(list<bluefs_fnode_t*>& ls)
+{
+  ls.push_back(new bluefs_fnode_t);
+  ls.push_back(new bluefs_fnode_t);
+  ls.back()->ino = 123;
+  ls.back()->size = 1048576;
+  ls.back()->mtime = utime_t(123,45);
+  ls.back()->extents.push_back(bluefs_extent_t(0, 1048576, 4096));
+  ls.back()->prefer_bdev = 1;
+}
+
+ostream& operator<<(ostream& out, const bluefs_fnode_t& file)
+{
+  return out << "file(ino " << file.ino
+            << " size 0x" << std::hex << file.size << std::dec
+            << " mtime " << file.mtime
+            << " bdev " << (int)file.prefer_bdev
+            << " extents " << file.extents
+            << ")";
+}
+
+
+// bluefs_transaction_t
+
+void bluefs_transaction_t::encode(bufferlist& bl) const
+{
+  uint32_t crc = op_bl.crc32c(-1);
+  ENCODE_START(1, 1, bl);
+  ::encode(uuid, bl);
+  ::encode(seq, bl);
+  ::encode(op_bl, bl);
+  ::encode(crc, bl);
+  ENCODE_FINISH(bl);
+}
+
+void bluefs_transaction_t::decode(bufferlist::iterator& p)
+{
+  uint32_t crc;
+  DECODE_START(1, p);
+  ::decode(uuid, p);
+  ::decode(seq, p);
+  ::decode(op_bl, p);
+  ::decode(crc, p);
+  DECODE_FINISH(p);
+  uint32_t actual = op_bl.crc32c(-1);
+  if (actual != crc)
+    throw buffer::malformed_input("bad crc " + stringify(actual)
+                                 + " expected " + stringify(crc));
+}
+
+void bluefs_transaction_t::dump(Formatter *f) const
+{
+  f->dump_stream("uuid") << uuid;
+  f->dump_unsigned("seq", seq);
+  f->dump_unsigned("op_bl_length", op_bl.length());
+  f->dump_unsigned("crc", op_bl.crc32c(-1));
+}
+
+void bluefs_transaction_t::generate_test_instance(
+  list<bluefs_transaction_t*>& ls)
+{
+  ls.push_back(new bluefs_transaction_t);
+  ls.push_back(new bluefs_transaction_t);
+  ls.back()->op_init();
+  ls.back()->op_alloc_add(0, 0, 123123211);
+  ls.back()->op_alloc_rm(1, 0, 123);
+  ls.back()->op_dir_create("dir");
+  ls.back()->op_dir_create("dir2");
+  bluefs_fnode_t fnode;
+  fnode.ino = 2;
+  ls.back()->op_file_update(fnode);
+  ls.back()->op_dir_link("dir", "file1", 2);
+  ls.back()->op_dir_unlink("dir", "file1");
+  ls.back()->op_file_remove(2);
+  ls.back()->op_dir_remove("dir2");
+}
+
+ostream& operator<<(ostream& out, const bluefs_transaction_t& t)
+{
+  return out << "txn(seq " << t.seq
+            << " len 0x" << std::hex << t.op_bl.length()
+            << " crc 0x" << t.op_bl.crc32c(-1)
+            << std::dec << ")";
+}