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#include "plugin.h"
#include "interface.h"
#include <yt/yql/plugin/plugin.h>
#include <util/system/dynlib.h>
#include <vector>
#include <optional>
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
////////////////////////////////////////////////////////////////////////////////
class TDynamicYqlPlugin
{
public:
TDynamicYqlPlugin(std::optional<TString> yqlPluginSharedLibrary)
{
const TString DefaultYqlPluginLibraryName = "./libyqlplugin.so";
auto sharedLibraryPath = yqlPluginSharedLibrary.value_or(DefaultYqlPluginLibraryName);
Library_.Open(sharedLibraryPath.data());
#define XX(function) function = reinterpret_cast<TFunc ## function*>(Library_.Sym(#function));
FOR_EACH_BRIDGE_INTERFACE_FUNCTION(XX);
#undef XX
}
protected:
#define XX(function) TFunc ## function* function;
FOR_EACH_BRIDGE_INTERFACE_FUNCTION(XX)
#undef XX
TDynamicLibrary Library_;
};
////////////////////////////////////////////////////////////////////////////////
class TYqlPlugin
: public TDynamicYqlPlugin
, public IYqlPlugin
{
public:
explicit TYqlPlugin(TYqlPluginOptions& options)
: TDynamicYqlPlugin(options.YqlPluginSharedLibrary)
{
std::vector<TBridgeYqlPluginOptions::TBridgeCluster> bridgeClusters;
for (const auto& [cluster, proxy]: options.Clusters) {
bridgeClusters.push_back({
.Cluster = cluster.data(),
.Proxy = proxy.data(),
});
}
auto operationAttributesString = options.OperationAttributes ? options.OperationAttributes.ToString() : "{}";
const char* defaultCluster = options.DefaultCluster
? options.DefaultCluster->data()
: nullptr;
TBridgeYqlPluginOptions bridgeOptions {
.MRJobBinary = options.MRJobBinary.data(),
.UdfDirectory = options.UdfDirectory.data(),
.ClusterCount = ssize(bridgeClusters),
.Clusters = bridgeClusters.data(),
.DefaultCluster = defaultCluster,
.OperationAttributes = operationAttributesString.data(),
.OperationAttributesLength = static_cast<int>(operationAttributesString.size()),
.MaxFilesSizeMb = options.MaxFilesSizeMb,
.MaxFileCount = options.MaxFileCount,
.DownloadFileRetryCount = options.DownloadFileRetryCount,
.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>(options);
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT::NYqlPlugin::NBridge
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