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#include "registry.h"
#include <library/cpp/blockcodecs/codecs.h>
#include <util/system/yassert.h>
#include <util/generic/hash.h>
#include <util/generic/deque.h>
#include <util/generic/singleton.h>
#include <util/system/env.h>
using namespace NResource;
using namespace NBlockCodecs;
namespace {
inline const ICodec* GetCodec() noexcept {
static const ICodec* ret = Codec("zstd08_5");
return ret;
}
typedef std::pair<TStringBuf, TStringBuf> TDescriptor;
struct TStore: public IStore, public THashMap<TStringBuf, TDescriptor*> {
void Store(const TStringBuf key, const TStringBuf data) override {
if (contains(key)) {
const TStringBuf value = (*this)[key]->second;
if (value != data) {
size_t vsize = GetCodec()->DecompressedLength(value);
size_t dsize = GetCodec()->DecompressedLength(data);
if (vsize + dsize < 1000) {
Y_VERIFY(false, "Redefinition of key %s:\n"
" old value: %s,\n"
" new value: %s.",
TString{key}.Quote().c_str(),
Decompress(value).Quote().c_str(),
Decompress(data).Quote().c_str());
} else {
Y_VERIFY(false, "Redefinition of key %s,"
" old size: %zu,"
" new size: %zu.",
TString{key}.Quote().c_str(), vsize, dsize);
}
}
} else {
D_.push_back(TDescriptor(key, data));
(*this)[key] = &D_.back();
}
Y_VERIFY(size() == Count(), "size mismatch");
}
bool FindExact(const TStringBuf key, TString* out) const override {
if (TDescriptor* const* res = FindPtr(key)) {
// temporary
// https://st.yandex-team.ru/DEVTOOLS-3985
try {
*out = Decompress((*res)->second);
} catch (const yexception& e) {
if (GetEnv("RESOURCE_DECOMPRESS_DIAG")) {
Cerr << "Can't decompress resource " << key << Endl << e.what() << Endl;
}
throw e;
}
return true;
}
return false;
}
void FindMatch(const TStringBuf subkey, IMatch& cb) const override {
for (const auto& it : *this) {
if (it.first.StartsWith(subkey)) {
// temporary
// https://st.yandex-team.ru/DEVTOOLS-3985
try {
const TResource res = {
it.first, Decompress(it.second->second)};
cb.OnMatch(res);
} catch (const yexception& e) {
if (GetEnv("RESOURCE_DECOMPRESS_DIAG")) {
Cerr << "Can't decompress resource " << it.first << Endl << e.what() << Endl;
}
throw e;
}
}
}
}
size_t Count() const noexcept override {
return D_.size();
}
TStringBuf KeyByIndex(size_t idx) const override {
return D_.at(idx).first;
}
typedef TDeque<TDescriptor> TDescriptors;
TDescriptors D_;
};
}
TString NResource::Compress(const TStringBuf data) {
return GetCodec()->Encode(data);
}
TString NResource::Decompress(const TStringBuf data) {
return GetCodec()->Decode(data);
}
IStore* NResource::CommonStore() {
return SingletonWithPriority<TStore, 0>();
}
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