--- /dev/null
+// -*- 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_MOSDSUBOP_H
+#define CEPH_MOSDSUBOP_H
+
+#include "MOSDFastDispatchOp.h"
+
+#include "include/ceph_features.h"
+
+/*
+ * OSD sub op - for internal ops on pobjects between primary and replicas(/stripes/whatever)
+ */
+
+class MOSDSubOp : public MOSDFastDispatchOp {
+
+ static const int HEAD_VERSION = 12;
+ static const int COMPAT_VERSION = 7;
+
+public:
+ epoch_t map_epoch = 0;
+
+ // metadata from original request
+ osd_reqid_t reqid;
+
+ // subop
+ pg_shard_t from;
+ spg_t pgid;
+ hobject_t poid;
+ object_locator_t oloc;
+
+ __u8 acks_wanted = 0;
+
+ // op to exec
+ vector<OSDOp> ops;
+ utime_t mtime;
+
+ bool old_exists = false;
+ uint64_t old_size = 0;
+ eversion_t old_version;
+
+ SnapSet snapset;
+
+ // transaction to exec
+ bufferlist logbl;
+ pg_stat_t pg_stats;
+
+ // subop metadata
+ eversion_t version;
+
+ // piggybacked osd/og state
+ eversion_t pg_trim_to; // primary->replica: trim to here
+ eversion_t pg_roll_forward_to; // primary->replica: trim rollback
+ // info to here
+ osd_peer_stat_t peer_stat;
+
+ map<string,bufferlist> attrset;
+
+ interval_set<uint64_t> data_subset;
+ map<hobject_t, interval_set<uint64_t>> clone_subsets;
+
+ bool first = false, complete = false;
+
+ interval_set<uint64_t> data_included;
+ ObjectRecoveryInfo recovery_info;
+
+ // reflects result of current push
+ ObjectRecoveryProgress recovery_progress;
+
+ // reflects progress before current push
+ ObjectRecoveryProgress current_progress;
+
+ map<string,bufferlist> omap_entries;
+ bufferlist omap_header;
+
+
+ hobject_t new_temp_oid; ///< new temp object that we must now start tracking
+ hobject_t discard_temp_oid; ///< previously used temp object that we can now stop tracking
+
+ /// non-empty if this transaction involves a hit_set history update
+ boost::optional<pg_hit_set_history_t> updated_hit_set_history;
+
+ epoch_t get_map_epoch() const override {
+ return map_epoch;
+ }
+ spg_t get_spg() const override {
+ return pgid;
+ }
+
+ int get_cost() const override {
+ if (ops.size() == 1 && ops[0].op.op == CEPH_OSD_OP_PULL)
+ return ops[0].op.extent.length;
+ return data.length();
+ }
+
+ void decode_payload() override {
+ //since we drop incorrect_pools flag, now we only support
+ //version >=7
+ assert (header.version >= 7);
+ bufferlist::iterator p = payload.begin();
+ ::decode(map_epoch, p);
+ ::decode(reqid, p);
+ ::decode(pgid.pgid, p);
+ ::decode(poid, p);
+
+ __u32 num_ops;
+ ::decode(num_ops, p);
+ ops.resize(num_ops);
+ unsigned off = 0;
+ for (unsigned i = 0; i < num_ops; i++) {
+ ::decode(ops[i].op, p);
+ ops[i].indata.substr_of(data, off, ops[i].op.payload_len);
+ off += ops[i].op.payload_len;
+ }
+ ::decode(mtime, p);
+ //we don't need noop anymore
+ bool noop_dont_need;
+ ::decode(noop_dont_need, p);
+
+ ::decode(acks_wanted, p);
+ ::decode(version, p);
+ ::decode(old_exists, p);
+ ::decode(old_size, p);
+ ::decode(old_version, p);
+ ::decode(snapset, p);
+
+ if (header.version <= 11) {
+ SnapContext snapc_dont_need;
+ ::decode(snapc_dont_need, p);
+ }
+
+ ::decode(logbl, p);
+ ::decode(pg_stats, p);
+ ::decode(pg_trim_to, p);
+ ::decode(peer_stat, p);
+ ::decode(attrset, p);
+
+ ::decode(data_subset, p);
+ ::decode(clone_subsets, p);
+
+ ::decode(first, p);
+ ::decode(complete, p);
+ ::decode(oloc, p);
+ ::decode(data_included, p);
+ recovery_info.decode(p, pgid.pool());
+ ::decode(recovery_progress, p);
+ ::decode(current_progress, p);
+ ::decode(omap_entries, p);
+ ::decode(omap_header, p);
+
+ if (header.version >= 8) {
+ ::decode(new_temp_oid, p);
+ ::decode(discard_temp_oid, p);
+ }
+
+ if (header.version >= 9) {
+ ::decode(from, p);
+ ::decode(pgid.shard, p);
+ } else {
+ from = pg_shard_t(
+ get_source().num(),
+ shard_id_t::NO_SHARD);
+ pgid.shard = shard_id_t::NO_SHARD;
+ }
+ if (header.version >= 10) {
+ ::decode(updated_hit_set_history, p);
+ }
+ if (header.version >= 11) {
+ ::decode(pg_roll_forward_to, p);
+ } else {
+ pg_roll_forward_to = pg_trim_to;
+ }
+ }
+
+ void finish_decode() { }
+
+ void encode_payload(uint64_t features) override {
+ header.version = HEAD_VERSION;
+ ::encode(map_epoch, payload);
+ ::encode(reqid, payload);
+ ::encode(pgid.pgid, payload);
+ ::encode(poid, payload);
+
+ __u32 num_ops = ops.size();
+ ::encode(num_ops, payload);
+ for (unsigned i = 0; i < ops.size(); i++) {
+ ops[i].op.payload_len = ops[i].indata.length();
+ ::encode(ops[i].op, payload);
+ data.append(ops[i].indata);
+ }
+ ::encode(mtime, payload);
+ //encode a false here for backward compatiable
+ ::encode(false, payload);
+ ::encode(acks_wanted, payload);
+ ::encode(version, payload);
+ ::encode(old_exists, payload);
+ ::encode(old_size, payload);
+ ::encode(old_version, payload);
+ ::encode(snapset, payload);
+
+ if ((features & CEPH_FEATURE_OSDSUBOP_NO_SNAPCONTEXT) == 0) {
+ header.version = 11;
+ SnapContext dummy_snapc;
+ ::encode(dummy_snapc, payload);
+ }
+
+ ::encode(logbl, payload);
+ ::encode(pg_stats, payload);
+ ::encode(pg_trim_to, payload);
+ ::encode(peer_stat, payload);
+ ::encode(attrset, payload);
+ ::encode(data_subset, payload);
+ ::encode(clone_subsets, payload);
+ if (ops.size())
+ header.data_off = ops[0].op.extent.offset;
+ else
+ header.data_off = 0;
+ ::encode(first, payload);
+ ::encode(complete, payload);
+ ::encode(oloc, payload);
+ ::encode(data_included, payload);
+ ::encode(recovery_info, payload, features);
+ ::encode(recovery_progress, payload);
+ ::encode(current_progress, payload);
+ ::encode(omap_entries, payload);
+ ::encode(omap_header, payload);
+ ::encode(new_temp_oid, payload);
+ ::encode(discard_temp_oid, payload);
+ ::encode(from, payload);
+ ::encode(pgid.shard, payload);
+ ::encode(updated_hit_set_history, payload);
+ ::encode(pg_roll_forward_to, payload);
+ }
+
+ MOSDSubOp()
+ : MOSDFastDispatchOp(MSG_OSD_SUBOP, HEAD_VERSION, COMPAT_VERSION) { }
+ MOSDSubOp(osd_reqid_t r, pg_shard_t from,
+ spg_t p, const hobject_t& po, int aw,
+ epoch_t mape, ceph_tid_t rtid, eversion_t v)
+ : MOSDFastDispatchOp(MSG_OSD_SUBOP, HEAD_VERSION, COMPAT_VERSION),
+ map_epoch(mape),
+ reqid(r),
+ from(from),
+ pgid(p),
+ poid(po),
+ acks_wanted(aw),
+ old_exists(false), old_size(0),
+ version(v),
+ first(false), complete(false) {
+ memset(&peer_stat, 0, sizeof(peer_stat));
+ set_tid(rtid);
+ }
+private:
+ ~MOSDSubOp() override {}
+
+public:
+ const char *get_type_name() const override { return "osd_sub_op"; }
+ void print(ostream& out) const override {
+ out << "osd_sub_op(" << reqid
+ << " " << pgid
+ << " " << poid
+ << " " << ops;
+ if (first)
+ out << " first";
+ if (complete)
+ out << " complete";
+ out << " v " << version
+ << " snapset=" << snapset;
+ if (!data_subset.empty()) out << " subset " << data_subset;
+ if (updated_hit_set_history)
+ out << ", has_updated_hit_set_history";
+ out << ")";
+ }
+};
+
+
+#endif
Code Review / stor4nfv.git / blobdiff