summaryrefslogtreecommitdiffstats
path: root/src/messages/MRecoveryReserve.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/messages/MRecoveryReserve.h
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/messages/MRecoveryReserve.h')
-rw-r--r--src/messages/MRecoveryReserve.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/src/messages/MRecoveryReserve.h b/src/messages/MRecoveryReserve.h
new file mode 100644
index 00000000..2dc7d6c3
--- /dev/null
+++ b/src/messages/MRecoveryReserve.h
@@ -0,0 +1,130 @@
+// -*- 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_MRECOVERY_H
+#define CEPH_MRECOVERY_H
+
+#include "msg/Message.h"
+#include "messages/MOSDPeeringOp.h"
+
+class MRecoveryReserve : public MessageInstance<MRecoveryReserve, MOSDPeeringOp> {
+public:
+ friend factory;
+private:
+ static constexpr int HEAD_VERSION = 3;
+ static constexpr int COMPAT_VERSION = 2;
+public:
+ spg_t pgid;
+ epoch_t query_epoch;
+ enum {
+ REQUEST = 0, // primary->replica: please reserve slot
+ GRANT = 1, // replica->primary: ok, i reserved it
+ RELEASE = 2, // primary->replica: release the slot i reserved before
+ REVOKE = 3, // replica->primary: i'm taking back the slot i gave you
+ };
+ uint32_t type;
+ uint32_t priority = 0;
+
+ spg_t get_spg() const {
+ return pgid;
+ }
+ epoch_t get_map_epoch() const {
+ return query_epoch;
+ }
+ epoch_t get_min_epoch() const {
+ return query_epoch;
+ }
+
+ PGPeeringEvent *get_event() override {
+ switch (type) {
+ case REQUEST:
+ return new PGPeeringEvent(
+ query_epoch,
+ query_epoch,
+ RequestRecoveryPrio(priority));
+ case GRANT:
+ return new PGPeeringEvent(
+ query_epoch,
+ query_epoch,
+ RemoteRecoveryReserved());
+ case RELEASE:
+ return new PGPeeringEvent(
+ query_epoch,
+ query_epoch,
+ RecoveryDone());
+ case REVOKE:
+ return new PGPeeringEvent(
+ query_epoch,
+ query_epoch,
+ DeferRecovery(0.0));
+ default:
+ ceph_abort();
+ }
+ }
+
+ MRecoveryReserve()
+ : MessageInstance(MSG_OSD_RECOVERY_RESERVE, HEAD_VERSION, COMPAT_VERSION),
+ query_epoch(0), type(-1) {}
+ MRecoveryReserve(int type,
+ spg_t pgid,
+ epoch_t query_epoch,
+ unsigned prio = 0)
+ : MessageInstance(MSG_OSD_RECOVERY_RESERVE, HEAD_VERSION, COMPAT_VERSION),
+ pgid(pgid), query_epoch(query_epoch),
+ type(type), priority(prio) {}
+
+ std::string_view get_type_name() const override {
+ return "MRecoveryReserve";
+ }
+
+ void inner_print(ostream& out) const override {
+ switch (type) {
+ case REQUEST:
+ out << "REQUEST";
+ break;
+ case GRANT:
+ out << "GRANT";
+ break;
+ case RELEASE:
+ out << "RELEASE";
+ break;
+ case REVOKE:
+ out << "REVOKE";
+ break;
+ }
+ if (type == REQUEST) out << " prio: " << priority;
+ }
+
+ void decode_payload() override {
+ auto p = payload.cbegin();
+ decode(pgid.pgid, p);
+ decode(query_epoch, p);
+ decode(type, p);
+ decode(pgid.shard, p);
+ if (header.version >= 3) {
+ decode(priority, p);
+ }
+ }
+
+ void encode_payload(uint64_t features) override {
+ using ceph::encode;
+ encode(pgid.pgid, payload);
+ encode(query_epoch, payload);
+ encode(type, payload);
+ encode(pgid.shard, payload);
+ encode(priority, payload);
+ }
+};
+
+#endif