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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/msg/xio/XioInSeq.h | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.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/msg/xio/XioInSeq.h')
-rw-r--r-- | src/msg/xio/XioInSeq.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/msg/xio/XioInSeq.h b/src/msg/xio/XioInSeq.h new file mode 100644 index 00000000..7863a8f6 --- /dev/null +++ b/src/msg/xio/XioInSeq.h @@ -0,0 +1,84 @@ +// -*- 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> + * Portions Copyright (C) 2013 CohortFS, LLC + * + * 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 XIO_IN_SEQ_H +#define XIO_IN_SEQ_H + +#include <boost/intrusive/list.hpp> +#include "msg/SimplePolicyMessenger.h" +extern "C" { +#include "libxio.h" +} + +/* For inbound messages (Accelio-owned) ONLY, use the message's + * user_context as an SLIST */ +class XioInSeq { +private: + int cnt; + int sz; + struct xio_msg* head; + struct xio_msg* tail; + +public: + XioInSeq() : cnt(0), sz(0), head(NULL), tail(NULL) {} + XioInSeq(const XioInSeq& seq) { + cnt = seq.cnt; + sz = seq.sz; + head = seq.head; + tail = seq.tail; + } + + int count() { return cnt; } + + int size() { return sz; } + + bool p() { return !!head; } + + void set_count(int _cnt) { cnt = _cnt; } + + void append(struct xio_msg* msg) { + msg->user_context = NULL; + if (!head) { + head = tail = msg; + } else { + tail->user_context = msg; + tail = msg; + } + ++sz; + --cnt; + } + + struct xio_msg* begin() { return head; } + + struct xio_msg* end() { return NULL; } + + void next(struct xio_msg** msg) { + *msg = static_cast<struct xio_msg *>((*msg)->user_context); + } + + struct xio_msg* dequeue() { + struct xio_msg* msgs = head; + clear(); + return msgs; + } + + void clear() { + head = tail = NULL; + cnt = 0; + sz = 0; + } +}; + +#endif /* XIO_IN_SEQ_H */ |