update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / cls / 2pc_queue / cls_2pc_queue_types.h

diff --git a/ceph/src/cls/2pc_queue/cls_2pc_queue_types.h b/ceph/src/cls/2pc_queue/cls_2pc_queue_types.h
new file mode 100644 (file)
index 0000000..7c94cde
--- /dev/null
+++ b/ceph/src/cls/2pc_queue/cls_2pc_queue_types.h
@@ -0,0 +1,62 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#pragma once
+
+#include "include/types.h"
+
+struct cls_2pc_reservation
+{
+  using id_t = uint32_t;
+  inline static const id_t NO_ID{0};
+  uint64_t size;        // how many entries are reserved
+  ceph::coarse_real_time timestamp;  // when the reservation was done (used for cleaning stale reservations)
+
+  cls_2pc_reservation(uint64_t _size, ceph::coarse_real_time _timestamp) :
+      size(_size), timestamp(_timestamp) {}
+
+  cls_2pc_reservation() = default;
+
+  void encode(ceph::buffer::list& bl) const {
+    ENCODE_START(1, 1, bl);
+    encode(size, bl);
+    encode(timestamp, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(ceph::buffer::list::const_iterator& bl) {
+    DECODE_START(1, bl);
+    decode(size, bl);
+    decode(timestamp, bl);
+    DECODE_FINISH(bl);
+  }
+};
+WRITE_CLASS_ENCODER(cls_2pc_reservation)
+
+using cls_2pc_reservations = ceph::unordered_map<cls_2pc_reservation::id_t, cls_2pc_reservation>;
+
+struct cls_2pc_urgent_data
+{
+  uint64_t reserved_size{0};   // pending reservations size in bytes
+  cls_2pc_reservation::id_t last_id{cls_2pc_reservation::NO_ID}; // last allocated id
+  cls_2pc_reservations reservations; // reservation list (keyed by id)
+  bool has_xattrs{false};
+
+  void encode(ceph::buffer::list& bl) const {
+    ENCODE_START(1, 1, bl);
+    encode(reserved_size, bl);
+    encode(last_id, bl);
+    encode(reservations, bl);
+    encode(has_xattrs, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(ceph::buffer::list::const_iterator& bl) {
+    DECODE_START(1, bl);
+    decode(reserved_size, bl);
+    decode(last_id, bl);
+    decode(reservations, bl);
+    decode(has_xattrs, bl);
+    DECODE_FINISH(bl);
+  }
+};
+WRITE_CLASS_ENCODER(cls_2pc_urgent_data)