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-rw-r--r--src/client/MetaSession.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/client/MetaSession.h b/src/client/MetaSession.h
new file mode 100644
index 000000000..d9a1e481a
--- /dev/null
+++ b/src/client/MetaSession.h
@@ -0,0 +1,72 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_CLIENT_METASESSION_H
+#define CEPH_CLIENT_METASESSION_H
+
+#include "include/types.h"
+#include "include/utime.h"
+#include "include/xlist.h"
+#include "mds/MDSMap.h"
+#include "mds/mdstypes.h"
+#include "messages/MClientCapRelease.h"
+
+struct Cap;
+struct Inode;
+struct CapSnap;
+struct MetaRequest;
+
+struct MetaSession {
+ mds_rank_t mds_num;
+ ConnectionRef con;
+ version_t seq = 0;
+ uint64_t cap_gen = 0;
+ utime_t cap_ttl, last_cap_renew_request;
+ uint64_t cap_renew_seq = 0;
+ entity_addrvec_t addrs;
+ feature_bitset_t mds_features;
+ feature_bitset_t mds_metric_flags;
+
+ enum {
+ STATE_NEW, // Unused
+ STATE_OPENING,
+ STATE_OPEN,
+ STATE_CLOSING,
+ STATE_CLOSED,
+ STATE_STALE,
+ STATE_REJECTED,
+ } state = STATE_OPENING;
+
+ enum {
+ RECLAIM_NULL,
+ RECLAIMING,
+ RECLAIM_OK,
+ RECLAIM_FAIL,
+ } reclaim_state = RECLAIM_NULL;
+
+ int mds_state = MDSMap::STATE_NULL;
+ bool readonly = false;
+
+ list<Context*> waiting_for_open;
+
+ xlist<Cap*> caps;
+ xlist<Inode*> flushing_caps;
+ xlist<MetaRequest*> requests;
+ xlist<MetaRequest*> unsafe_requests;
+ std::set<ceph_tid_t> flushing_caps_tids;
+
+ ceph::ref_t<MClientCapRelease> release;
+
+ MetaSession(mds_rank_t mds_num, ConnectionRef con, const entity_addrvec_t& addrs)
+ : mds_num(mds_num), con(con), addrs(addrs) {
+ }
+
+ const char *get_state_name() const;
+
+ void dump(Formatter *f, bool cap_dump=false) const;
+
+ void enqueue_cap_release(inodeno_t ino, uint64_t cap_id, ceph_seq_t iseq,
+ ceph_seq_t mseq, epoch_t osd_barrier);
+};
+
+#endif