Revert "YT-19324: move YT provider to ydb/library/yql"

This reverts commit ca272f12fdd0e8d5c3e957fc87939148f1caaf72, reversing
changes made to 49f8acfc8b0b5c0071b804423bcf53fda26c7c12.

5 files changed, 0 insertions, 388 deletions

diff --git a/library/cpp/threading/blocking_queue/blocking_queue.cpp b/library/cpp/threading/blocking_queue/blocking_queue.cpp
deleted file mode 100644
index db199c80be..0000000000
--- a/library/cpp/threading/blocking_queue/blocking_queue.cpp
+++ /dev/null
@@ -1,3 +0,0 @@
-#include "blocking_queue.h"
-
-// just check compilability
diff --git a/library/cpp/threading/blocking_queue/blocking_queue.h b/library/cpp/threading/blocking_queue/blocking_queue.h
deleted file mode 100644
index 48d3762f68..0000000000
--- a/library/cpp/threading/blocking_queue/blocking_queue.h
+++ /dev/null
@@ -1,158 +0,0 @@
-#pragma once
-
-#include <util/generic/deque.h>
-#include <util/generic/maybe.h>
-#include <util/generic/yexception.h>
-#include <util/system/condvar.h>
-#include <util/system/guard.h>
-#include <util/system/mutex.h>
-
-#include <utility>
-
-namespace NThreading {
-    ///
-    /// TBlockingQueue is a queue of elements of limited or unlimited size.
-    /// Queue provides Push and Pop operations that block if operation can't be executed
-    /// (queue is empty or maximum size is reached).
-    ///
-    /// Queue can be stopped, in that case all blocked operation will return `Nothing` / false.
-    ///
-    /// All operations are thread safe.
-    ///
-    ///
-    /// Example of usage:
-    ///     TBlockingQueue<int> queue;
-    ///
-    ///     ...
-    ///
-    ///     // thread 1
-    ///     queue.Push(42);
-    ///     queue.Push(100500);
-    ///
-    ///     ...
-    ///
-    ///     // thread 2
-    ///     while (TMaybe<int> number = queue.Pop()) {
-    ///         ProcessNumber(number.GetRef());
-    ///     }
-    template <class TElement>
-    class TBlockingQueue {
-    public:
-        ///
-        /// Creates blocking queue with given maxSize
-        /// if maxSize == 0 then queue is unlimited
-        TBlockingQueue(size_t maxSize)
-            : MaxSize(maxSize == 0 ? Max<size_t>() : maxSize)
-            , Stopped(false)
-        {
-        }
-
-        ///
-        /// Blocks until queue has some elements or queue is stopped or deadline is reached.
-        /// Returns `Nothing` if queue is stopped or deadline is reached.
-        /// Returns element otherwise.
-        TMaybe<TElement> Pop(TInstant deadline = TInstant::Max()) {
-            TGuard<TMutex> g(Lock);
-
-            const auto canPop = [this]() { return CanPop(); };
-            if (!CanPopCV.WaitD(Lock, deadline, canPop)) {
-                return Nothing();
-            }
-
-            if (Stopped && Queue.empty()) {
-                return Nothing();
-            }
-            TElement e = std::move(Queue.front());
-            Queue.pop_front();
-            CanPushCV.Signal();
-            return std::move(e);
-        }
-
-        TMaybe<TElement> Pop(TDuration duration) {
-            return Pop(TInstant::Now() + duration);
-        }
-
-        ///
-        /// Blocks until queue has space for new elements or queue is stopped or deadline is reached.
-        /// Returns false exception if queue is stopped and push failed or deadline is reached.
-        /// Pushes element to queue and returns true otherwise.
-        bool Push(const TElement& e, TInstant deadline = TInstant::Max()) {
-            return PushRef(e, deadline);
-        }
-
-        bool Push(TElement&& e, TInstant deadline = TInstant::Max()) {
-            return PushRef(std::move(e), deadline);
-        }
-
-        bool Push(const TElement& e, TDuration duration) {
-            return Push(e, TInstant::Now() + duration);
-        }
-
-        bool Push(TElement&& e, TDuration duration) {
-            return Push(std::move(e), TInstant::Now() + duration);
-        }
-
-        ///
-        /// Stops the queue, all blocked operations will be aborted.
-        void Stop() {
-            TGuard<TMutex> g(Lock);
-            Stopped = true;
-            CanPopCV.BroadCast();
-            CanPushCV.BroadCast();
-        }
-
-        ///
-        /// Checks whether queue is empty.
-        bool Empty() const {
-            TGuard<TMutex> g(Lock);
-            return Queue.empty();
-        }
-
-        ///
-        /// Returns size of the queue.
-        size_t Size() const {
-            TGuard<TMutex> g(Lock);
-            return Queue.size();
-        }
-
-        ///
-        /// Checks whether queue is stopped.
-        bool IsStopped() const {
-            TGuard<TMutex> g(Lock);
-            return Stopped;
-        }
-
-    private:
-        bool CanPush() const {
-            return Queue.size() < MaxSize || Stopped;
-        }
-
-        bool CanPop() const {
-            return !Queue.empty() || Stopped;
-        }
-
-        template <typename Ref>
-        bool PushRef(Ref e, TInstant deadline) {
-            TGuard<TMutex> g(Lock);
-            const auto canPush = [this]() { return CanPush(); };
-            if (!CanPushCV.WaitD(Lock, deadline, canPush)) {
-                return false;
-            }
-            if (Stopped) {
-                return false;
-            }
-            Queue.push_back(std::forward<TElement>(e));
-            CanPopCV.Signal();
-            return true;
-        }
-
-    private:
-        TMutex Lock;
-        TCondVar CanPopCV;
-        TCondVar CanPushCV;
-        TDeque<TElement> Queue;
-        size_t MaxSize;
-        bool Stopped;
-    };
-
-}
diff --git a/library/cpp/threading/blocking_queue/blocking_queue_ut.cpp b/library/cpp/threading/blocking_queue/blocking_queue_ut.cpp
deleted file mode 100644
index 26e125279d..0000000000
--- a/library/cpp/threading/blocking_queue/blocking_queue_ut.cpp
+++ /dev/null
@@ -1,211 +0,0 @@
-#include "blocking_queue.h"
-
-#include <library/cpp/testing/unittest/registar.h>
-
-#include <util/string/builder.h>
-#include <util/system/thread.h>
-
-namespace {
-    class TFunctionThread: public ISimpleThread {
-    public:
-        using TFunc = std::function<void()>;
-
-    private:
-        TFunc Func;
-
-    public:
-        TFunctionThread(const TFunc& func)
-            : Func(func)
-        {
-        }
-
-        void* ThreadProc() noexcept override {
-            Func();
-            return nullptr;
-        }
-    };
-
-}
-
-IOutputStream& operator<<(IOutputStream& o, const TMaybe<int>& val) {
-    if (val) {
-        o << "TMaybe<int>(" << val.GetRef() << ')';
-    } else {
-        o << "TMaybe<int>()";
-    }
-    return o;
-}
-
-Y_UNIT_TEST_SUITE(BlockingQueueTest) {
-    Y_UNIT_TEST(SimplePushPopTest) {
-        const size_t limit = 100;
-
-        NThreading::TBlockingQueue<int> queue(100);
-
-        for (int i = 0; i != limit; ++i) {
-            queue.Push(i);
-        }
-
-        for (int i = 0; i != limit; ++i) {
-            UNIT_ASSERT_VALUES_EQUAL(queue.Pop(), i);
-        }
-
-        UNIT_ASSERT(queue.Empty());
-    }
-
-    Y_UNIT_TEST(SimpleStopTest) {
-        const size_t limit = 100;
-
-        NThreading::TBlockingQueue<int> queue(100);
-
-        for (int i = 0; i != limit; ++i) {
-            queue.Push(i);
-        }
-        queue.Stop();
-
-        bool ok = queue.Push(100500);
-        UNIT_ASSERT_VALUES_EQUAL(ok, false);
-
-        for (int i = 0; i != limit; ++i) {
-            UNIT_ASSERT_VALUES_EQUAL(queue.Pop(), i);
-        }
-
-        UNIT_ASSERT_VALUES_EQUAL(queue.Pop(), TMaybe<int>());
-    }
-
-    Y_UNIT_TEST(BigPushPop) {
-        const int limit = 100000;
-
-        NThreading::TBlockingQueue<int> queue(10);
-
-        TFunctionThread pusher([&] {
-            for (int i = 0; i != limit; ++i) {
-                if (!queue.Push(i)) {
-                    break;
-                }
-            }
-        });
-
-        pusher.Start();
-
-        try {
-            for (int i = 0; i != limit; ++i) {
-                size_t size = queue.Size();
-                UNIT_ASSERT_C(size <= 10, (TStringBuilder() << "Size exceeds 10: " << size).data());
-                UNIT_ASSERT_VALUES_EQUAL(queue.Pop(), i);
-            }
-        } catch (...) {
-            // gracefull shutdown of pusher thread if assertion fails
-            queue.Stop();
-            throw;
-        }
-
-        pusher.Join();
-    }
-
-    Y_UNIT_TEST(StopWhenMultiplePoppers) {
-        NThreading::TBlockingQueue<int> queue(10);
-        TFunctionThread popper1([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue.Pop(), TMaybe<int>());
-        });
-        TFunctionThread popper2([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue.Pop(), TMaybe<int>());
-        });
-        popper1.Start();
-        popper2.Start();
-
-        queue.Stop();
-
-        popper1.Join();
-        popper2.Join();
-    }
-
-    Y_UNIT_TEST(StopWhenMultiplePushers) {
-        NThreading::TBlockingQueue<int> queue(1);
-        queue.Push(1);
-        TFunctionThread pusher1([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue.Push(2), false);
-        });
-        TFunctionThread pusher2([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue.Push(2), false);
-        });
-        pusher1.Start();
-        pusher2.Start();
-
-        queue.Stop();
-
-        pusher1.Join();
-        pusher2.Join();
-    }
-
-    Y_UNIT_TEST(InterruptPopByDeadline) {
-        NThreading::TBlockingQueue<int> queue1(10);
-        NThreading::TBlockingQueue<int> queue2(10);
-
-        const auto popper1DeadLine = TInstant::Now();
-        const auto popper2DeadLine = TInstant::Now() + TDuration::Seconds(2);
-
-        TFunctionThread popper1([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue1.Pop(popper1DeadLine), TMaybe<int>());
-            UNIT_ASSERT_VALUES_EQUAL(queue1.IsStopped(), false);
-        });
-
-        TFunctionThread popper2([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue2.Pop(popper2DeadLine), 2);
-            UNIT_ASSERT_VALUES_EQUAL(queue2.IsStopped(), false);
-        });
-
-        popper1.Start();
-        popper2.Start();
-
-        Sleep(TDuration::Seconds(1));
-
-        queue1.Push(1);
-        queue2.Push(2);
-
-        Sleep(TDuration::Seconds(1));
-
-        queue1.Stop();
-        queue2.Stop();
-
-        popper1.Join();
-        popper2.Join();
-    }
-
-    Y_UNIT_TEST(InterruptPushByDeadline) {
-        NThreading::TBlockingQueue<int> queue1(1);
-        NThreading::TBlockingQueue<int> queue2(1);
-
-        queue1.Push(0);
-        queue2.Push(0);
-
-        const auto pusher1DeadLine = TInstant::Now();
-        const auto pusher2DeadLine = TInstant::Now() + TDuration::Seconds(2);
-
-        TFunctionThread pusher1([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue1.Push(1, pusher1DeadLine), false);
-            UNIT_ASSERT_VALUES_EQUAL(queue1.IsStopped(), false);
-        });
-
-        TFunctionThread pusher2([&] {
-            UNIT_ASSERT_VALUES_EQUAL(queue2.Push(2, pusher2DeadLine), true);
-            UNIT_ASSERT_VALUES_EQUAL(queue2.IsStopped(), false);
-        });
-
-        pusher1.Start();
-        pusher2.Start();
-
-        Sleep(TDuration::Seconds(1));
-
-        queue1.Pop();
-        queue2.Pop();
-
-        Sleep(TDuration::Seconds(1));
-
-        queue1.Stop();
-        queue2.Stop();
-
-        pusher1.Join();
-        pusher2.Join();
-    }
-}
diff --git a/library/cpp/threading/blocking_queue/ut/ya.make b/library/cpp/threading/blocking_queue/ut/ya.make
deleted file mode 100644
index 50f220d552..0000000000
--- a/library/cpp/threading/blocking_queue/ut/ya.make
+++ /dev/null
@@ -1,7 +0,0 @@
-UNITTEST_FOR(library/cpp/threading/blocking_queue)
-
-SRCS(
-    blocking_queue_ut.cpp
-)
-
-END()
diff --git a/library/cpp/threading/blocking_queue/ya.make b/library/cpp/threading/blocking_queue/ya.make
deleted file mode 100644
index ce1104c1c9..0000000000
--- a/library/cpp/threading/blocking_queue/ya.make
+++ /dev/null
@@ -1,9 +0,0 @@
-LIBRARY()
-
-SRCS(
-    blocking_queue.cpp
-)
-
-END()
-
-RECURSE_FOR_TESTS(ut)