From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/messages/MOSDPGInfo.h | 104 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/messages/MOSDPGInfo.h

(limited to 'src/messages/MOSDPGInfo.h')

diff --git a/src/messages/MOSDPGInfo.h b/src/messages/MOSDPGInfo.h
new file mode 100644
index 000000000..b742cd014
--- /dev/null
+++ b/src/messages/MOSDPGInfo.h
@@ -0,0 +1,104 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software 
+ * Foundation.  See file COPYING.
+ * 
+ */
+
+
+#ifndef CEPH_MOSDPGINFO_H
+#define CEPH_MOSDPGINFO_H
+
+#include "msg/Message.h"
+#include "osd/osd_types.h"
+
+class MOSDPGInfo final : public Message {
+private:
+  static constexpr int HEAD_VERSION = 6;
+  static constexpr int COMPAT_VERSION = 5;
+
+  epoch_t epoch = 0;
+
+public:
+  using pg_list_t = std::vector<pg_notify_t>;
+  pg_list_t pg_list;
+
+  epoch_t get_epoch() const { return epoch; }
+
+  MOSDPGInfo()
+    : MOSDPGInfo{0, {}}
+  {}
+  MOSDPGInfo(epoch_t mv)
+    : MOSDPGInfo(mv, {})
+  {}
+  MOSDPGInfo(epoch_t mv, pg_list_t&& l)
+    : Message{MSG_OSD_PG_INFO, HEAD_VERSION, COMPAT_VERSION},
+      epoch{mv},
+      pg_list{std::move(l)}
+  {
+    set_priority(CEPH_MSG_PRIO_HIGH);
+  }
+private:
+  ~MOSDPGInfo() final {}
+
+public:
+  std::string_view get_type_name() const override { return "pg_info"; }
+  void print(std::ostream& out) const override {
+    out << "pg_info(";
+    for (auto i = pg_list.begin();
+         i != pg_list.end();
+         ++i) {
+      if (i != pg_list.begin())
+	out << " ";
+      out << *i;
+    }
+    out << " epoch " << epoch
+	<< ")";
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    header.version = HEAD_VERSION;
+    encode(epoch, payload);
+    if (!HAVE_FEATURE(features, SERVER_OCTOPUS)) {
+      // pretend to be vector<pair<pg_notify_t,PastIntervals>>
+      header.version = 5;
+      encode((uint32_t)pg_list.size(), payload);
+      for (auto& i : pg_list) {
+	encode(i, payload);   // this embeds a dup (ignored) PastIntervals
+	encode(i.past_intervals, payload);
+      }
+      return;
+    }
+    encode(pg_list, payload);
+  }
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(epoch, p);
+    if (header.version == 5) {
+      // decode legacy vector<pair<pg_notify_t,PastIntervals>>
+      uint32_t num;
+      decode(num, p);
+      pg_list.resize(num);
+      for (unsigned i = 0; i < num; ++i) {
+	decode(pg_list[i], p);
+	decode(pg_list[i].past_intervals, p);
+      }
+      return;
+    }
+    decode(pg_list, p);
+  }
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+};
+
+#endif
-- 
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