1 files changed, 97 insertions, 0 deletions
diff --git a/src/common/snap_types.cc b/src/common/snap_types.cc
new file mode 100644
index 000000000..521404ca2
--- /dev/null
+++ b/src/common/snap_types.cc
@@ -0,0 +1,97 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "snap_types.h"
+#include "common/Formatter.h"
+
+void SnapRealmInfo::encode(ceph::buffer::list& bl) const
+{
+  h.num_snaps = my_snaps.size();
+  h.num_prior_parent_snaps = prior_parent_snaps.size();
+  using ceph::encode;
+  encode(h, bl);
+  ceph::encode_nohead(my_snaps, bl);
+  ceph::encode_nohead(prior_parent_snaps, bl);
+}
+
+void SnapRealmInfo::decode(ceph::buffer::list::const_iterator& bl)
+{
+  using ceph::decode;
+  decode(h, bl);
+  ceph::decode_nohead(h.num_snaps, my_snaps, bl);
+  ceph::decode_nohead(h.num_prior_parent_snaps, prior_parent_snaps, bl);
+}
+
+void SnapRealmInfo::dump(ceph::Formatter *f) const
+{
+  f->dump_unsigned("ino", ino());
+  f->dump_unsigned("parent", parent());
+  f->dump_unsigned("seq", seq());
+  f->dump_unsigned("parent_since", parent_since());
+  f->dump_unsigned("created", created());
+
+  f->open_array_section("snaps");
+  for (auto p = my_snaps.begin(); p != my_snaps.end(); ++p)
+    f->dump_unsigned("snap", *p);
+  f->close_section();
+
+  f->open_array_section("prior_parent_snaps");
+  for (auto p = prior_parent_snaps.begin(); p != prior_parent_snaps.end(); ++p)
+    f->dump_unsigned("snap", *p);
+  f->close_section();
+}
+
+void SnapRealmInfo::generate_test_instances(std::list<SnapRealmInfo*>& o)
+{
+  o.push_back(new SnapRealmInfo);
+  o.push_back(new SnapRealmInfo(1, 10, 10, 0));
+  o.push_back(new SnapRealmInfo(1, 10, 10, 0));
+  o.back()->my_snaps.push_back(10);
+  o.push_back(new SnapRealmInfo(1, 10, 10, 5));
+  o.back()->my_snaps.push_back(10);
+  o.back()->prior_parent_snaps.push_back(3);
+  o.back()->prior_parent_snaps.push_back(5);
+}
+
+
+// -----
+
+bool SnapContext::is_valid() const
+{
+  // seq is a valid snapid
+  if (seq > CEPH_MAXSNAP)
+    return false;
+  if (!snaps.empty()) {
+    // seq >= snaps[0]
+    if (snaps[0] > seq)
+      return false;
+    // snaps[] is descending
+    snapid_t t = snaps[0];
+    for (unsigned i=1; i<snaps.size(); i++) {
+      if (snaps[i] >= t || t == 0)
+	return false;
+      t = snaps[i];
+    }
+  }
+  return true;
+}
+
+void SnapContext::dump(ceph::Formatter *f) const
+{
+  f->dump_unsigned("seq", seq);
+  f->open_array_section("snaps");
+  for (auto p = snaps.cbegin(); p != snaps.cend(); ++p)
+    f->dump_unsigned("snap", *p);
+  f->close_section();
+}
+
+void SnapContext::generate_test_instances(std::list<SnapContext*>& o)
+{
+  o.push_back(new SnapContext);
+  std::vector<snapid_t> v;
+  o.push_back(new SnapContext(10, v));
+  v.push_back(18);
+  v.push_back(3);
+  v.push_back(1);
+  o.push_back(new SnapContext(20, v));
+}