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
   9 #include "common/Formatter.h"
  10
  11 const char *MetaSession::get_state_name() const
  12 {
  13   switch (state) {
  14   case STATE_NEW: return "new";
  15   case STATE_OPENING: return "opening";
  16   case STATE_OPEN: return "open";
  17   case STATE_CLOSING: return "closing";
  18   case STATE_CLOSED: return "closed";
  19   case STATE_STALE: return "stale";
  20   default: return "unknown";
  21   }
  22 }
  23
  24 void MetaSession::dump(Formatter *f) const
  25 {
  26   f->dump_int("mds", mds_num);
  27   f->dump_stream("addr") << inst.addr;
  28   f->dump_unsigned("seq", seq);
  29   f->dump_unsigned("cap_gen", cap_gen);
  30   f->dump_stream("cap_ttl") << cap_ttl;
  31   f->dump_stream("last_cap_renew_request") << last_cap_renew_request;
  32   f->dump_unsigned("cap_renew_seq", cap_renew_seq);
  33   f->dump_int("num_caps", num_caps);
  34   f->dump_string("state", get_state_name());
  35 }
  36
  37 MetaSession::~MetaSession()
  38 {
  39   if (release)
  40     release->put();
  41 }
  42
  43 void MetaSession::enqueue_cap_release(inodeno_t ino, uint64_t cap_id, ceph_seq_t iseq,
  44     ceph_seq_t mseq, epoch_t osd_barrier)
  45 {
  46   if (!release) {
  47     release = new MClientCapRelease;
  48   }
  49
  50   if (osd_barrier > release->osd_epoch_barrier) {
  51     release->osd_epoch_barrier = osd_barrier;
  52   }
  53
  54   ceph_mds_cap_item i;
  55   i.ino = ino;
  56   i.cap_id = cap_id;
  57   i.seq = iseq;
  58   i.migrate_seq = mseq;
  59   release->caps.push_back(i);
  60 }