1 files changed, 62 insertions, 0 deletions
diff --git a/src/client/MetaSession.cc b/src/client/MetaSession.cc
new file mode 100644
index 000000000..b5160a843
--- /dev/null
+++ b/src/client/MetaSession.cc
@@ -0,0 +1,62 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "include/types.h"
+#include "messages/MClientCapRelease.h"
+
+#include "MetaSession.h"
+#include "Inode.h"
+
+#include "common/Formatter.h"
+
+const char *MetaSession::get_state_name() const
+{
+  switch (state) {
+  case STATE_NEW: return "new";
+  case STATE_OPENING: return "opening";
+  case STATE_OPEN: return "open";
+  case STATE_CLOSING: return "closing";
+  case STATE_CLOSED: return "closed";
+  case STATE_STALE: return "stale";
+  default: return "unknown";
+  }
+}
+
+void MetaSession::dump(Formatter *f, bool cap_dump) const
+{
+  f->dump_int("mds", mds_num);
+  f->dump_object("addrs", addrs);
+  f->dump_unsigned("seq", seq);
+  f->dump_unsigned("cap_gen", cap_gen);
+  f->dump_stream("cap_ttl") << cap_ttl;
+  f->dump_stream("last_cap_renew_request") << last_cap_renew_request;
+  f->dump_unsigned("cap_renew_seq", cap_renew_seq);
+  f->dump_int("num_caps", caps.size());
+  if (cap_dump) {
+    f->open_array_section("caps");
+    for (const auto& cap : caps) {
+      f->dump_object("cap", *cap);
+    }
+    f->close_section();
+  }
+  f->dump_string("state", get_state_name());
+}
+
+void MetaSession::enqueue_cap_release(inodeno_t ino, uint64_t cap_id, ceph_seq_t iseq,
+    ceph_seq_t mseq, epoch_t osd_barrier)
+{
+  if (!release) {
+    release = ceph::make_message<MClientCapRelease>();
+  }
+
+  if (osd_barrier > release->osd_epoch_barrier) {
+    release->osd_epoch_barrier = osd_barrier;
+  }
+
+  ceph_mds_cap_item i;
+  i.ino = ino;
+  i.cap_id = cap_id;
+  i.seq = iseq;
+  i.migrate_seq = mseq;
+  release->caps.push_back(i);
+}