Add create context to all requests (#16319)

Author: buhtr

ydb/library/yql/providers/generic/connector/libcpp/client.cpp

@@ -252,16 +252,19 @@ namespace NYql::NConnector {
                 promise.SetValue({std::move(status), std::move(NApi::TDescribeTableResponse())});
                 return promise.GetFuture();
             }
+
+            auto context = CreateClientContext();
 
-            auto callback = [promise](NYdbGrpc::TGrpcStatus&& status, NApi::TDescribeTableResponse&& resp) mutable {
+            auto callback = [context, promise](NYdbGrpc::TGrpcStatus&& status, NApi::TDescribeTableResponse&& resp) mutable {
                 promise.SetValue({std::move(status), std::move(resp)});
             };
 
             GetConnection(kind)->DoRequest<NApi::TDescribeTableRequest, NApi::TDescribeTableResponse>(
                 std::move(request),
                 std::move(callback),
                 &NApi::Connector::Stub::AsyncDescribeTable,
-                { .Timeout = timeout }
+                { .Timeout = timeout },
+                context.get()
             );
 
             return promise.GetFuture();
@@ -307,6 +310,16 @@ namespace NYql::NConnector {
         }
 
     private:
+        NYdbGrpc::IQueueClientContextPtr CreateClientContext() {
+            auto context = GrpcClient_->CreateContext();
+
+            if (!context) {
+                throw yexception() << "Client is being shut down";
+            }
+
+            return context;
+        }
+
         void Init(const TGenericGatewayConfig& config) {
             // TODO: place in a config file ?
             GrpcClient_ = std::make_shared<NYdbGrpc::TGRpcClientLow>(DEFAULT_CONNECTION_MANAGER_NUM_THREADS);
@@ -378,10 +391,11 @@ namespace NYql::NConnector {
             typename TRpcCallback = typename NYdbGrpc::TStreamRequestReadProcessor<NApi::Connector::Stub, TRequest, TResponse>::TAsyncRequest
         >
         TIteratorAsyncResult<IStreamIterator<TResponse>> ServerSideStreamingCall(
-            const NYql::EGenericDataSourceKind& kind, const TRequest& request, TRpcCallback rpc, TDuration timeout = {}) const {
+            const NYql::EGenericDataSourceKind& kind, const TRequest& request, TRpcCallback rpc, TDuration timeout = {}) {
             auto promise = NThreading::NewPromise<TIteratorResult<IStreamIterator<TResponse>>>();
+            auto context = CreateClientContext();
 
-            auto callback = [promise](NYdbGrpc::TGrpcStatus&& status, NYdbGrpc::IStreamRequestReadProcessor<TResponse>::TPtr streamProcessor) mutable {
+            auto callback = [context, promise](NYdbGrpc::TGrpcStatus&& status, NYdbGrpc::IStreamRequestReadProcessor<TResponse>::TPtr streamProcessor) mutable {
                 if (!streamProcessor) {
                     promise.SetValue({std::move(status), nullptr});
                     return;
@@ -396,7 +410,8 @@ namespace NYql::NConnector {
                 std::move(request),
                 std::move(callback),
                 rpc,
-                { .Timeout = timeout }
+                { .Timeout = timeout },
+                context.get()
             );
 
             return promise.GetFuture();