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Diffstat (limited to '')
-rw-r--r-- | src/messages/MOSDPGPull.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/messages/MOSDPGPull.h b/src/messages/MOSDPGPull.h new file mode 100644 index 00000000..16eeca7e --- /dev/null +++ b/src/messages/MOSDPGPull.h @@ -0,0 +1,106 @@ +// -*- 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) 2013 Inktank Storage, Inc. + * + * 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 MOSDPGPULL_H +#define MOSDPGPULL_H + +#include "MOSDFastDispatchOp.h" + +class MOSDPGPull : public MessageInstance<MOSDPGPull, MOSDFastDispatchOp> { +public: + friend factory; +private: + static constexpr int HEAD_VERSION = 3; + static constexpr int COMPAT_VERSION = 2; + + vector<PullOp> pulls; + +public: + pg_shard_t from; + spg_t pgid; + epoch_t map_epoch = 0, min_epoch = 0; + uint64_t cost; + + epoch_t get_map_epoch() const override { + return map_epoch; + } + epoch_t get_min_epoch() const override { + return min_epoch; + } + spg_t get_spg() const override { + return pgid; + } + + void take_pulls(vector<PullOp> *outpulls) { + outpulls->swap(pulls); + } + void set_pulls(vector<PullOp> *inpulls) { + inpulls->swap(pulls); + } + + MOSDPGPull() + : MessageInstance(MSG_OSD_PG_PULL, HEAD_VERSION, COMPAT_VERSION), + cost(0) + {} + + void compute_cost(CephContext *cct) { + cost = 0; + for (vector<PullOp>::iterator i = pulls.begin(); + i != pulls.end(); + ++i) { + cost += i->cost(cct); + } + } + + int get_cost() const override { + return cost; + } + + void decode_payload() override { + auto p = payload.cbegin(); + decode(pgid.pgid, p); + decode(map_epoch, p); + decode(pulls, p); + decode(cost, p); + decode(pgid.shard, p); + decode(from, p); + if (header.version >= 3) { + decode(min_epoch, p); + } else { + min_epoch = map_epoch; + } + } + + void encode_payload(uint64_t features) override { + using ceph::encode; + encode(pgid.pgid, payload); + encode(map_epoch, payload); + encode(pulls, payload, features); + encode(cost, payload); + encode(pgid.shard, payload); + encode(from, payload); + encode(min_epoch, payload); + } + + std::string_view get_type_name() const override { return "MOSDPGPull"; } + + void print(ostream& out) const override { + out << "MOSDPGPull(" << pgid + << " e" << map_epoch << "/" << min_epoch + << " cost " << cost + << ")"; + } +}; + +#endif |