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Make goals use C++20 coroutines (#11005)

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Las Safin 2024-07-15 21:49:15 +01:00 • committed by GitHub
parent c6b5503190
commit 846869da0e
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11 changed files with 708 additions and 471 deletions
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37
src/libstore/build/drv-output-substitution-goal.hh
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@ -27,52 +27,19 @@ class DrvOutputSubstitutionGoal : public Goal {
*/
DrvOutput id;
/**
* The realisation corresponding to the given output id.
* Will be filled once we can get it.
*/
std::shared_ptr<const Realisation> outputInfo;
/**
* The remaining substituters.
*/
std::list<ref<Store>> subs;
/**
* The current substituter.
*/
std::shared_ptr<Store> sub;
struct DownloadState
{
MuxablePipe outPipe;
std::promise<std::shared_ptr<const Realisation>> promise;
};
std::shared_ptr<DownloadState> downloadState;
/**
* Whether a substituter failed.
*/
bool substituterFailed = false;
public:
DrvOutputSubstitutionGoal(const DrvOutput& id, Worker & worker, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);
typedef void (DrvOutputSubstitutionGoal::*GoalState)();
GoalState state;
void init();
void tryNext();
void realisationFetched();
void outPathValid();
void finished();
Co init() override;
Co realisationFetched(std::shared_ptr<const Realisation> outputInfo, nix::ref<nix::Store> sub);
void timedOut(Error && ex) override { abort(); };
std::string key() override;
void work() override;
void handleEOF(Descriptor fd) override;
JobCategory jobCategory() const override {