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improve concurrency control; use nar_size from cpathinfo

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This commit is contained in:
cy 2025-04-27 01:23:45 -04:00
parent ca97aebd7a
commit e5336d304d
Signed by: cy
SSH key fingerprint: SHA256:o/geVWV4om1QhUSkKvDQeW/eAihwnjyXkqMwrVdbuts
6 changed files with 33 additions and 8 deletions
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2
src/bindings/mod.rs
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@ -228,6 +228,8 @@ mod ffi {
/// Mid-level wrapper for the `nix::ValidPathInfo` struct.
type CPathInfo;
/// Returns the size of the NAR.
fn nar_size(self: Pin<&mut CPathInfo>) -> u64;
/// Returns the references of the store path.
fn references(self: Pin<&mut CPathInfo>) -> UniquePtr<CxxVector<CxxString>>;

4
src/bindings/nix.cpp
View file

@ -57,6 +57,10 @@ void RustSink::eof() {
CPathInfo::CPathInfo(nix::ref<const nix::ValidPathInfo> pi) : pi(pi) {}
uint64_t CPathInfo::nar_size() {
return this->pi->narSize;
}
std::unique_ptr<std::vector<std::string>> CPathInfo::sigs() {
std::vector<std::string> result;
for (auto&& elem : this->pi->sigs) {

1
src/bindings/nix.hpp
View file

@ -65,6 +65,7 @@ public:
CPathInfo(nix::ref<const nix::ValidPathInfo> pi);
std::unique_ptr<std::vector<std::string>> sigs();
std::unique_ptr<std::vector<std::string>> references();
uint64_t nar_size();
};
class CNixStore {