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#pragma once
#include "yql_udf_resolver.h"
#include <util/generic/hash.h>
#include <util/generic/map.h>
#include <util/generic/maybe.h>
#include <util/generic/set.h>
#include <util/generic/string.h>
#include <util/generic/vector.h>
namespace NYql {
struct TFunctionInfo {
TString Name;
int ArgCount = 0;
int OptionalArgCount = 0;
bool IsTypeAwareness = false;
TString CallableType;
TString RunConfigType;
bool IsStrict = false;
bool SupportsBlocks = false;
};
// todo: specify whether path is frozen
struct TDownloadLink {
bool IsUrl = false;
TString Path;
TString Md5;
TDownloadLink() {
}
TDownloadLink(bool isUrl, const TString& path, const TString& md5)
: IsUrl(isUrl)
, Path(path)
, Md5(md5)
{
}
TDownloadLink(const TDownloadLink&) = default;
TDownloadLink& operator=(const TDownloadLink&) = default;
static TDownloadLink Url(const TString& path, const TString& md5 = "") {
return { true, path, md5 };
}
static TDownloadLink File(const TString& path, const TString& md5 = "") {
return { false, path, md5 };
}
bool operator==(const TDownloadLink& other) const {
return std::tie(IsUrl, Path, Md5) == std::tie(other.IsUrl, other.Path, Md5);
}
bool operator!=(const TDownloadLink& other) const {
return !(*this == other);
}
size_t Hash() const {
return CombineHashes(
CombineHashes((size_t)IsUrl, ComputeHash(Path)),
ComputeHash(Md5)
);
}
};
struct TResourceInfo : public TThrRefBase {
typedef TIntrusiveConstPtr<TResourceInfo> TPtr;
bool IsTrusted = false;
TDownloadLink Link;
TSet<TString> Modules;
TMap<TString, TFunctionInfo> Functions;
void SetFunctions(const TVector<TFunctionInfo>& functions) {
for (auto& f : functions) {
Functions.emplace(f.Name, f);
}
}
};
inline bool operator<(const TResourceInfo::TPtr& p1, const TResourceInfo::TPtr& p2) {
return p1.Get() < p2.Get();
}
class TUdfIndex : public TThrRefBase {
public:
typedef TIntrusivePtr<TUdfIndex> TPtr;
public:
// todo: trusted resources should not be replaceble regardless of specified mode
enum class EOverrideMode {
PreserveExisting,
ReplaceWithNew,
RaiseError
};
public:
TUdfIndex();
bool ContainsModule(const TString& moduleName) const;
bool FindFunction(const TString& moduleName, const TString& functionName, TFunctionInfo& function) const;
TResourceInfo::TPtr FindResourceByModule(const TString& moduleName) const;
/*
New resource can contain already registered module.
In this case 'mode' will be used to resolve conflicts.
For instance, if mode == ReplaceWithNew all functions from old resource will be removed and new functions will be registered.
It is important to do it atomically because two .so cannot have intersecting module lists
*/
void RegisterResource(const TResourceInfo::TPtr& resource, EOverrideMode mode);
void RegisterResources(const TVector<TResourceInfo::TPtr>& resources, EOverrideMode mode);
TIntrusivePtr<TUdfIndex> Clone() const;
private:
explicit TUdfIndex(const TMap<TString, TResourceInfo::TPtr>& resources);
bool ContainsAnyModule(const TSet<TString>& modules) const;
TSet<TResourceInfo::TPtr> FindResourcesByModules(const TSet<TString>& modules) const;
void UnregisterResource(TResourceInfo::TPtr resource);
private:
// module => Resource
TMap<TString, TResourceInfo::TPtr> Resources_;
};
void LoadRichMetadataToUdfIndex(const IUdfResolver& resolver, const TVector<TString>& paths, bool isTrusted, TUdfIndex::EOverrideMode mode, TUdfIndex& registry);
void LoadRichMetadataToUdfIndex(const IUdfResolver& resolver, const TMap<TString, TString>& pathsWithMd5, bool isTrusted, TUdfIndex::EOverrideMode mode, TUdfIndex& registry);
void LoadRichMetadataToUdfIndex(const IUdfResolver& resolver, const TVector<TUserDataBlock>& blocks, TUdfIndex::EOverrideMode mode, TUdfIndex& registry);
void LoadRichMetadataToUdfIndex(const IUdfResolver& resolver, const TUserDataBlock& block, TUdfIndex::EOverrideMode mode, TUdfIndex& registry);
}
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