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Diffstat (limited to '')
-rw-r--r-- | src/messages/MClientSnap.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/messages/MClientSnap.h b/src/messages/MClientSnap.h new file mode 100644 index 00000000..f0f96e4e --- /dev/null +++ b/src/messages/MClientSnap.h @@ -0,0 +1,70 @@ +// -*- 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_MCLIENTSNAP_H +#define CEPH_MCLIENTSNAP_H + +#include "msg/Message.h" + +class MClientSnap : public MessageInstance<MClientSnap> { +public: + friend factory; + + ceph_mds_snap_head head; + bufferlist bl; + + // (for split only) + vector<inodeno_t> split_inos; + vector<inodeno_t> split_realms; + +protected: + MClientSnap(int o=0) : + MessageInstance(CEPH_MSG_CLIENT_SNAP) { + memset(&head, 0, sizeof(head)); + head.op = o; + } + ~MClientSnap() override {} + +public: + std::string_view get_type_name() const override { return "client_snap"; } + void print(ostream& out) const override { + out << "client_snap(" << ceph_snap_op_name(head.op); + if (head.split) + out << " split=" << inodeno_t(head.split); + out << " tracelen=" << bl.length(); + out << ")"; + } + + void encode_payload(uint64_t features) override { + using ceph::encode; + head.num_split_inos = split_inos.size(); + head.num_split_realms = split_realms.size(); + head.trace_len = bl.length(); + encode(head, payload); + encode_nohead(split_inos, payload); + encode_nohead(split_realms, payload); + encode_nohead(bl, payload); + } + void decode_payload() override { + auto p = payload.cbegin(); + decode(head, p); + decode_nohead(head.num_split_inos, split_inos, p); + decode_nohead(head.num_split_realms, split_realms, p); + decode_nohead(head.trace_len, bl, p); + ceph_assert(p.end()); + } + +}; + +#endif |