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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/test/common/ObjectContents.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/common/ObjectContents.h')
-rw-r--r-- | src/test/common/ObjectContents.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/test/common/ObjectContents.h b/src/test/common/ObjectContents.h new file mode 100644 index 000000000..7834bfedf --- /dev/null +++ b/src/test/common/ObjectContents.h @@ -0,0 +1,122 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +#include "include/interval_set.h" +#include "include/buffer_fwd.h" +#include <map> + +#ifndef COMMON_OBJECT_H +#define COMMON_OBJECT_H + +enum { + RANDOMWRITEFULL, + DELETED, + CLONERANGE +}; + +bool test_object_contents(); + +class ObjectContents { + uint64_t _size; + std::map<uint64_t, unsigned int> seeds; + interval_set<uint64_t> written; + bool _exists; +public: + class Iterator { + ObjectContents *parent; + std::map<uint64_t, unsigned int>::iterator iter; + unsigned int current_state; + int current_val; + uint64_t pos; + private: + unsigned int get_state(uint64_t pos); + public: + explicit Iterator(ObjectContents *parent) : + parent(parent), iter(parent->seeds.end()), + current_state(0), current_val(0), pos(-1) { + seek_to_first(); + } + char operator*() { + return parent->written.contains(pos) ? + static_cast<char>(current_val % 256) : '\0'; + } + uint64_t get_pos() { + return pos; + } + void seek_to(uint64_t _pos) { + if (pos > _pos || + (iter != parent->seeds.end() && _pos >= iter->first)) { + iter = parent->seeds.upper_bound(_pos); + --iter; + current_state = iter->second; + current_val = rand_r(¤t_state); + pos = iter->first; + ++iter; + } + while (pos < _pos) ++(*this); + } + + void seek_to_first() { + seek_to(0); + } + Iterator &operator++() { + ++pos; + if (iter != parent->seeds.end() && pos >= iter->first) { + ceph_assert(pos == iter->first); + current_state = iter->second; + ++iter; + } + current_val = rand_r(¤t_state); + return *this; + } + bool valid() { + return pos < parent->size(); + } + friend class ObjectContents; + }; + + ObjectContents() : _size(0), _exists(false) { + seeds[0] = 0; + } + + explicit ObjectContents(bufferlist::const_iterator &bp) { + decode(_size, bp); + decode(seeds, bp); + decode(written, bp); + decode(_exists, bp); + } + + void clone_range(ObjectContents &other, + interval_set<uint64_t> &intervals); + void write(unsigned int seed, + uint64_t from, + uint64_t len); + Iterator get_iterator() { + return Iterator(this); + } + + uint64_t size() const { return _size; } + + bool exists() { return _exists; } + + void debug(std::ostream &out) { + out << "_size is " << _size << std::endl; + out << "seeds is: ("; + for (std::map<uint64_t, unsigned int>::iterator i = seeds.begin(); + i != seeds.end(); + ++i) { + out << "[" << i->first << "," << i->second << "], "; + } + out << ")" << std::endl; + out << "written is " << written << std::endl; + out << "_exists is " << _exists << std::endl; + } + + void encode(bufferlist &bl) const { + using ceph::encode; + encode(_size, bl); + encode(seeds, bl); + encode(written, bl); + encode(_exists, bl); + } +}; + +#endif |