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Add some additional consistency checks

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This commit is contained in:
Marcus Holland-Moritz 2020-12-02 15:16:54 +01:00
parent c59eea1517
commit 1326868143
1 changed files with 37 additions and 0 deletions
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37
src/dwarfs/metadata_v2.cpp
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@ -115,6 +115,43 @@ class metadata_ : public metadata_v2::impl {
log_.debug() << "link index offset: " << link_index_offset_; log_.debug() << "link index offset: " << link_index_offset_;
log_.debug() << "chunk index offset: " << chunk_index_offset_; log_.debug() << "chunk index offset: " << chunk_index_offset_;
log_.debug() << "device index offset: " << dev_index_offset_; log_.debug() << "device index offset: " << dev_index_offset_;
if (int(meta_.directories().size() - 1) != link_index_offset_) {
throw std::runtime_error(
fmt::format("metadata inconsistency: number of directories ({}) does "
"not match link index ({})",
meta_.directories().size() - 1, link_index_offset_));
}
if (int(meta_.link_index().size()) !=
(chunk_index_offset_ - link_index_offset_)) {
throw std::runtime_error(fmt::format(
"metadata inconsistency: number of links ({}) does not match "
"chunk/link index delta ({} - {} = {})",
meta_.link_index().size(), chunk_index_offset_, link_index_offset_,
chunk_index_offset_ - link_index_offset_));
}
if (int(meta_.chunk_index().size() - 1) !=
(dev_index_offset_ - chunk_index_offset_)) {
throw std::runtime_error(fmt::format(
"metadata inconsistency: number of files ({}) does not match "
"device/chunk index delta ({} - {} = {})",
meta_.chunk_index().size() - 1, dev_index_offset_,
chunk_index_offset_, dev_index_offset_ - chunk_index_offset_));
}
if (auto devs = meta_.devices()) {
auto other_offset = find_index_offset(inode_rank::INO_OTH);
if (devs->size() != (other_offset - dev_index_offset_)) {
throw std::runtime_error(
fmt::format("metadata inconsistency: number of devices ({}) does "
"not match other/device index delta ({} - {} = {})",
devs->size(), other_offset, dev_index_offset_,
other_offset - dev_index_offset_));
}
}
} }
void dump(std::ostream& os, int detail_level, void dump(std::ostream& os, int detail_level,