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Merge pull request #56925 from ifed01/wip-ifed-dencoder-crc32

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tools/ceph-dencoder: introduce add_crc32c command to append crc32 for…

Reviewed-by: Md Mahamudur Rahaman Sajib <mahamudur.sajib@croit.io>
This commit is contained in:
Yuri Weinstein 2025-02-13 07:30:34 -08:00 committed by GitHub
commit 2a6ba876e7
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1 changed files with 11 additions and 0 deletions
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11
src/tools/ceph-dencoder/ceph_dencoder.cc
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@ -49,6 +49,7 @@ void usage(ostream &out)
out << " skip <num> skip <num> leading bytes before decoding\n";
out << " decode decode into in-memory object\n";
out << " encode encode in-memory object\n";
out << " add_crc32c calculate and encode crc32c for in-memory object\n";
out << " dump_json dump in-memory object as json (to stdout)\n";
out << " hexdump print encoded data in hex\n";
out << " get_struct_v print version of the encoded object\n";
@ -163,6 +164,16 @@ int main(int argc, const char **argv)
return 1;
}
den->encode(encbl, features | CEPH_FEATURE_RESERVED); // hack for OSDMap
} else if (*i == string("add_crc32c")) {
if (!encbl.length()) {
cerr << "must first encode something" << std::endl;
return 1;
}
auto p = encbl.begin();
ceph_assert(skip < encbl.length());
p += skip;
__u32 crc = p.crc32c(encbl.length() - skip, 0);
encode(crc, encbl);
} else if (*i == string("decode")) {
if (!den) {
cerr << "must first select type with 'type <name>'" << std::endl;