ceph/src/client/MetaSession.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "include/types.h"
   5 #include "messages/MClientCapRelease.h"
   6
   7 #include "MetaSession.h"
   8 #include "Inode.h"
   9
  10 #include "common/Formatter.h"
  11
  12 const char *MetaSession::get_state_name() const
  13 {
  14   switch (state) {
  15   case STATE_NEW: return "new";
  16   case STATE_OPENING: return "opening";
  17   case STATE_OPEN: return "open";
  18   case STATE_CLOSING: return "closing";
  19   case STATE_CLOSED: return "closed";
  20   case STATE_STALE: return "stale";
  21   default: return "unknown";
  22   }
  23 }
  24
  25 void MetaSession::dump(Formatter *f, bool cap_dump) const
  26 {
  27   f->dump_int("mds", mds_num);
  28   f->dump_object("addrs", addrs);
  29   f->dump_unsigned("seq", seq);
  30   f->dump_unsigned("cap_gen", cap_gen);
  31   f->dump_stream("cap_ttl") << cap_ttl;
  32   f->dump_stream("last_cap_renew_request") << last_cap_renew_request;
  33   f->dump_unsigned("cap_renew_seq", cap_renew_seq);
  34   f->dump_int("num_caps", caps.size());
  35   if (cap_dump) {
  36     f->open_array_section("caps");
  37     for (const auto& cap : caps) {
  38       f->dump_object("cap", *cap);
  39     }
  40     f->close_section();
  41   }
  42   f->dump_string("state", get_state_name());
  43 }
  44
  45 void MetaSession::enqueue_cap_release(inodeno_t ino, uint64_t cap_id, ceph_seq_t iseq,
  46     ceph_seq_t mseq, epoch_t osd_barrier)
  47 {
  48   if (!release) {
  49     release = ceph::make_message<MClientCapRelease>();
  50   }
  51
  52   if (osd_barrier > release->osd_epoch_barrier) {
  53     release->osd_epoch_barrier = osd_barrier;
  54   }
  55
  56   ceph_mds_cap_item i;
  57   i.ino = ino;
  58   i.cap_id = cap_id;
  59   i.seq = iseq;
  60   i.migrate_seq = mseq;
  61   release->caps.push_back(i);
  62 }