YT-19210: expose YQL shared library for YT.

After this, a new target libyqlplugin.so appears. in open-source cmake build.
Diff in open-source YDB repo looks like the following: https://paste.yandex-team.ru/f302bdb4-7ef2-4362-91c7-6ca45f329264

1 files changed, 66 insertions, 0 deletions

diff --git a/yt/cpp/mapreduce/http/requests.cpp b/yt/cpp/mapreduce/http/requests.cpp
new file mode 100644
index 0000000000..7cf0f673bb
--- /dev/null
+++ b/yt/cpp/mapreduce/http/requests.cpp
@@ -0,0 +1,66 @@
+#include "requests.h"
+
+#include "context.h"
+#include "host_manager.h"
+#include "retry_request.h"
+
+#include <yt/cpp/mapreduce/client/transaction.h>
+
+#include <yt/cpp/mapreduce/common/helpers.h>
+#include <yt/cpp/mapreduce/common/retry_lib.h>
+#include <yt/cpp/mapreduce/common/node_builder.h>
+#include <yt/cpp/mapreduce/common/wait_proxy.h>
+
+#include <yt/cpp/mapreduce/interface/config.h>
+#include <yt/cpp/mapreduce/interface/errors.h>
+#include <yt/cpp/mapreduce/interface/logging/yt_log.h>
+#include <yt/cpp/mapreduce/interface/serialize.h>
+
+#include <util/stream/file.h>
+#include <util/string/builder.h>
+#include <util/generic/buffer.h>
+
+
+namespace NYT {
+
+////////////////////////////////////////////////////////////////////////////////
+
+bool ParseBoolFromResponse(const TString& response)
+{
+    return GetBool(NodeFromYsonString(response));
+}
+
+TGUID ParseGuidFromResponse(const TString& response)
+{
+    auto node = NodeFromYsonString(response);
+    return GetGuid(node.AsString());
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+TString GetProxyForHeavyRequest(const TClientContext& context)
+{
+    if (!context.Config->UseHosts) {
+        return context.ServerName;
+    }
+
+    return NPrivate::THostManager::Get().GetProxyForHeavyRequest(context);
+}
+
+void LogRequestError(
+    const TString& requestId,
+    const THttpHeader& header,
+    const TString& message,
+    const TString& attemptDescription)
+{
+    YT_LOG_ERROR("RSP %v - %v - %v - %v - X-YT-Parameters: %v",
+        requestId,
+        header.GetUrl(),
+        message,
+        attemptDescription,
+        NodeToYsonString(header.GetParameters()));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYT