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Diffstat (limited to '')
-rw-r--r-- | src/messages/MClientCapRelease.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/messages/MClientCapRelease.h b/src/messages/MClientCapRelease.h new file mode 100644 index 00000000..403169bd --- /dev/null +++ b/src/messages/MClientCapRelease.h @@ -0,0 +1,69 @@ +// -*- 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_MCLIENTCAPRELEASE_H +#define CEPH_MCLIENTCAPRELEASE_H + +#include "msg/Message.h" + + +class MClientCapRelease : public MessageInstance<MClientCapRelease> { +public: + friend factory; + +private: + static constexpr int HEAD_VERSION = 2; + static constexpr int COMPAT_VERSION = 1; + public: + + struct ceph_mds_cap_release head; + vector<ceph_mds_cap_item> caps; + + // The message receiver must wait for this OSD epoch + // before actioning this cap release. + epoch_t osd_epoch_barrier; + + MClientCapRelease() : + MessageInstance(CEPH_MSG_CLIENT_CAPRELEASE, HEAD_VERSION, COMPAT_VERSION), + osd_epoch_barrier(0) + { + memset(&head, 0, sizeof(head)); + } +private: + ~MClientCapRelease() override {} + +public: + std::string_view get_type_name() const override { return "client_cap_release";} + void print(ostream& out) const override { + out << "client_cap_release(" << caps.size() << ")"; + } + + void decode_payload() override { + auto p = payload.cbegin(); + decode(head, p); + decode_nohead(head.num, caps, p); + if (header.version >= 2) { + decode(osd_epoch_barrier, p); + } + } + void encode_payload(uint64_t features) override { + using ceph::encode; + head.num = caps.size(); + encode(head, payload); + encode_nohead(caps, payload); + encode(osd_epoch_barrier, payload); + } +}; + +#endif |