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#include "plugin.h"
#include "interface.h"
#include <yt/yql/plugin/plugin.h>
#include <yt/yt/core/misc/error.h>
#include <library/cpp/yt/misc/cast.h>
#include <util/system/dynlib.h>
namespace NYT::NYqlPlugin {
namespace NBridge {
////////////////////////////////////////////////////////////////////////////////
namespace {
std::optional<TString> ToString(const char* str, size_t strLength)
{
if (!str) {
return std::nullopt;
}
return TString(str, strLength);
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// Each YQL plugin ABI change should be listed here. Either a compat should be added
// or MinSupportedYqlPluginAbiVersion should be promoted.
DEFINE_ENUM(EYqlPluginAbiVersion,
((Invalid) (-1))
((TheBigBang) (0))
((AbortQuery) (1)) // gritukan: Added BridgeAbort; no breaking changes.
);
constexpr auto MinSupportedYqlPluginAbiVersion = EYqlPluginAbiVersion::TheBigBang;
constexpr auto MaxSupportedYqlPluginAbiVersion = EYqlPluginAbiVersion::AbortQuery;
////////////////////////////////////////////////////////////////////////////////
class TDynamicYqlPlugin
{
public:
TDynamicYqlPlugin(std::optional<TString> yqlPluginSharedLibrary)
{
static const TString DefaultYqlPluginLibraryName = "./libyqlplugin.so";
auto sharedLibraryPath = yqlPluginSharedLibrary.value_or(DefaultYqlPluginLibraryName);
Library_.Open(sharedLibraryPath.data());
#define XX(function) \
{ \
if constexpr(#function == TStringBuf("BridgeAbort")) { \
if (AbiVersion_ < EYqlPluginAbiVersion::AbortQuery) { \
function = reinterpret_cast<TFunc ## function*>(AbortQueryStub); \
} else { \
function = reinterpret_cast<TFunc ## function*>(Library_.Sym(#function)); \
} \
} else { \
function = reinterpret_cast<TFunc ## function*>(Library_.Sym(#function)); \
} \
} \
// Firstly we need to get ABI version of the plugin to make it possible to
// add compats for other functions.
XX(BridgeGetAbiVersion);
GetYqlPluginAbiVersion();
FOR_EACH_BRIDGE_INTERFACE_FUNCTION(XX);
// COMPAT(gritukan): Remove after commit in YDB repository.
XX(BridgeAbort)
#undef XX
}
protected:
TDynamicLibrary Library_;
EYqlPluginAbiVersion AbiVersion_ = EYqlPluginAbiVersion::Invalid;
#define XX(function) TFunc ## function* function;
FOR_EACH_BRIDGE_INTERFACE_FUNCTION(XX)
// COMPAT(gritukan): Remove after commit in YDB repository.
XX(BridgeAbort)
#undef XX
// COMPAT(gritukan): AbortQuery
static void AbortQueryStub(TBridgeYqlPlugin* /*plugin*/, const char* /*queryId*/)
{
// Just do nothing. It is not worse than in used to be before.
}
void GetYqlPluginAbiVersion()
{
if (!TryEnumCast(BridgeGetAbiVersion(), &AbiVersion_)) {
THROW_ERROR_EXCEPTION(
"YQL plugin ABI version %v is not supported",
BridgeGetAbiVersion());
}
if (AbiVersion_ < MinSupportedYqlPluginAbiVersion ||
AbiVersion_ > MaxSupportedYqlPluginAbiVersion)
{
THROW_ERROR_EXCEPTION(
"YQL plugin ABI version %Qv is not supported",
AbiVersion_);
}
}
};
////////////////////////////////////////////////////////////////////////////////
class TYqlPlugin
: public TDynamicYqlPlugin
, public IYqlPlugin
{
public:
explicit TYqlPlugin(TYqlPluginOptions options)
: TDynamicYqlPlugin(options.YqlPluginSharedLibrary)
{
TString singletonsConfig = options.SingletonsConfig ? options.SingletonsConfig.ToString() : "{}";
TBridgeYqlPluginOptions bridgeOptions {
.SingletonsConfig = singletonsConfig.data(),
.SingletonsConfigLength = static_cast<int>(singletonsConfig.size()),
.GatewayConfig = options.GatewayConfig.AsStringBuf().Data(),
.GatewayConfigLength = options.GatewayConfig.AsStringBuf().Size(),
.FileStorageConfig = options.FileStorageConfig.AsStringBuf().Data(),
.FileStorageConfigLength = options.FileStorageConfig.AsStringBuf().Size(),
.OperationAttributes = options.OperationAttributes.AsStringBuf().Data(),
.OperationAttributesLength = options.OperationAttributes.AsStringBuf().Size(),
.YTTokenPath = options.YTTokenPath.data(),
.LogBackend = &options.LogBackend,
};
BridgePlugin_ = BridgeCreateYqlPlugin(&bridgeOptions);
}
TQueryResult Run(TQueryId queryId, TString impersonationUser, TString queryText, NYson::TYsonString settings, std::vector<TQueryFile> files) noexcept override
{
auto settingsString = settings ? settings.ToString() : "{}";
auto queryIdStr = ToString(queryId);
std::vector<TBridgeQueryFile> filesData;
filesData.reserve(files.size());
for (const auto& file : files) {
filesData.push_back(TBridgeQueryFile{
.Name = file.Name.data(),
.NameLength = file.Name.size(),
.Content = file.Content.data(),
.ContentLength = file.Content.size(),
.Type = file.Type,
});
}
auto* bridgeQueryResult = BridgeRun(BridgePlugin_, queryIdStr.data(), impersonationUser.data(), queryText.data(), settingsString.data(), filesData.data(), filesData.size());
TQueryResult queryResult = {
.YsonResult = ToString(bridgeQueryResult->YsonResult, bridgeQueryResult->YsonResultLength),
.Plan = ToString(bridgeQueryResult->Plan, bridgeQueryResult->PlanLength),
.Statistics = ToString(bridgeQueryResult->Statistics, bridgeQueryResult->StatisticsLength),
.Progress = ToString(bridgeQueryResult->Progress, bridgeQueryResult->ProgressLength),
.TaskInfo = ToString(bridgeQueryResult->TaskInfo, bridgeQueryResult->TaskInfoLength),
.YsonError = ToString(bridgeQueryResult->YsonError, bridgeQueryResult->YsonErrorLength),
};
BridgeFreeQueryResult(bridgeQueryResult);
return queryResult;
}
TQueryResult GetProgress(TQueryId queryId) noexcept override
{
auto queryIdStr = ToString(queryId);
auto* bridgeQueryResult = BridgeGetProgress(BridgePlugin_, queryIdStr.data());
TQueryResult queryResult = {
.Plan = ToString(bridgeQueryResult->Plan, bridgeQueryResult->PlanLength),
.Progress = ToString(bridgeQueryResult->Progress, bridgeQueryResult->ProgressLength),
};
BridgeFreeQueryResult(bridgeQueryResult);
return queryResult;
}
~TYqlPlugin() override
{
BridgeFreeYqlPlugin(BridgePlugin_);
}
private:
TBridgeYqlPlugin* BridgePlugin_;
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NBridge
////////////////////////////////////////////////////////////////////////////////
std::unique_ptr<IYqlPlugin> CreateYqlPlugin(TYqlPluginOptions options) noexcept
{
return std::make_unique<NBridge::TYqlPlugin>(std::move(options));
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT::NYqlPlugin
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