1 files changed, 63 insertions, 0 deletions
diff --git a/src/client/ClientSnapRealm.cc b/src/client/ClientSnapRealm.cc
new file mode 100644
index 000000000..2ddd86f8a
--- /dev/null
+++ b/src/client/ClientSnapRealm.cc
@@ -0,0 +1,63 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "ClientSnapRealm.h"
+#include "common/Formatter.h"
+
+using std::set;
+using std::vector;
+
+void SnapRealm::build_snap_context()
+{
+  set<snapid_t> snaps;
+  snapid_t max_seq = seq;
+
+  // start with prior_parents?
+  for (unsigned i=0; i<prior_parent_snaps.size(); i++)
+    snaps.insert(prior_parent_snaps[i]);
+
+  // current parent's snaps
+  if (pparent) {
+    const SnapContext& psnapc = pparent->get_snap_context();
+    for (unsigned i=0; i<psnapc.snaps.size(); i++)
+      if (psnapc.snaps[i] >= parent_since)
+	snaps.insert(psnapc.snaps[i]);
+    if (psnapc.seq > max_seq)
+      max_seq = psnapc.seq;
+  }
+
+  // my snaps
+  for (unsigned i=0; i<my_snaps.size(); i++)
+    snaps.insert(my_snaps[i]);
+
+  // ok!
+  cached_snap_context.seq = max_seq;
+  cached_snap_context.snaps.resize(0);
+  cached_snap_context.snaps.reserve(snaps.size());
+  for (set<snapid_t>::reverse_iterator p = snaps.rbegin(); p != snaps.rend(); ++p)
+    cached_snap_context.snaps.push_back(*p);
+}
+
+void SnapRealm::dump(Formatter *f) const
+{
+  f->dump_stream("ino") << ino;
+  f->dump_int("nref", nref);
+  f->dump_stream("created") << created;
+  f->dump_stream("seq") << seq;
+  f->dump_stream("parent_ino") << parent;
+  f->dump_stream("parent_since") << parent_since;
+
+  f->open_array_section("prior_parent_snaps");
+  for (vector<snapid_t>::const_iterator p = prior_parent_snaps.begin(); p != prior_parent_snaps.end(); ++p)
+    f->dump_stream("snapid") << *p;
+  f->close_section();
+  f->open_array_section("my_snaps");
+  for (vector<snapid_t>::const_iterator p = my_snaps.begin(); p != my_snaps.end(); ++p)
+    f->dump_stream("snapid") << *p;
+  f->close_section();
+
+  f->open_array_section("children");
+  for (set<SnapRealm*>::const_iterator p = pchildren.begin(); p != pchildren.end(); ++p)
+    f->dump_stream("child") << (*p)->ino;
+  f->close_section();
+}