Restoring authorship annotation for <vladimir@yandex-team.ru>. Commit 2 of 2.

18 files changed, 391 insertions, 391 deletions

diff --git a/library/cpp/messagebus/coreconn.cpp b/library/cpp/messagebus/coreconn.cpp
index 7ea9b6cce7..d9411bb5db 100644
--- a/library/cpp/messagebus/coreconn.cpp
+++ b/library/cpp/messagebus/coreconn.cpp
@@ -12,7 +12,7 @@ namespace NBus {
     TBusInstant Now() {
         return millisec();
     }
- 
+
     EIpVersion MakeIpVersion(bool allowIpv4, bool allowIpv6) {
         if (allowIpv4) {
             if (allowIpv6) {
@@ -23,8 +23,8 @@ namespace NBus {
         } else if (allowIpv6) {
             return EIP_VERSION_6;
         }
- 
+
         ythrow yexception() << "Neither of IPv4/IPv6 is allowed.";
     }
 
-} 
+}
diff --git a/library/cpp/messagebus/coreconn.h b/library/cpp/messagebus/coreconn.h
index 36f6e90165..fca228d82e 100644
--- a/library/cpp/messagebus/coreconn.h
+++ b/library/cpp/messagebus/coreconn.h
@@ -1,8 +1,8 @@
 #pragma once
 
-////////////////////////////////////////////////////////////// 
-/// \file 
-/// \brief Definitions for asynchonous connection queue 
+//////////////////////////////////////////////////////////////
+/// \file
+/// \brief Definitions for asynchonous connection queue
 
 #include "base.h"
 #include "event_loop.h"
@@ -21,7 +21,7 @@
 #include <util/string/util.h>
 #include <util/system/condvar.h>
 #include <util/system/mutex.h>
-#include <util/system/thread.h> 
+#include <util/system/thread.h>
 #include <util/thread/lfqueue.h>
 
 #include <deque>
@@ -38,12 +38,12 @@ namespace NBus {
     class TBusConnection;
     class TBusConnectionFactory;
     class TBusServerFactory;
- 
+
     using TBusConnectionList = TList<TBusConnection*>;
- 
+
     /// @throw yexception
     EIpVersion MakeIpVersion(bool allowIpv4, bool allowIpv6);
- 
+
     inline bool WouldBlock() {
         int syserr = LastSystemError();
         return syserr == EAGAIN || syserr == EINPROGRESS || syserr == EWOULDBLOCK || syserr == EINTR;
diff --git a/library/cpp/messagebus/locator.cpp b/library/cpp/messagebus/locator.cpp
index 0453454680..e38a35c426 100644
--- a/library/cpp/messagebus/locator.cpp
+++ b/library/cpp/messagebus/locator.cpp
@@ -1,9 +1,9 @@
-//////////////////////////////////////////////////////////////////////////// 
+////////////////////////////////////////////////////////////////////////////
 /// \file
-/// \brief Implementation of locator service 
- 
+/// \brief Implementation of locator service
+
 #include "locator.h"
- 
+
 #include "ybus.h"
 
 #include <util/generic/hash_set.h>
@@ -11,7 +11,7 @@
 
 namespace NBus {
     using namespace NAddr;
- 
+
     static TIpPort GetAddrPort(const IRemoteAddr& addr) {
         switch (addr.Addr()->sa_family) {
             case AF_INET: {
@@ -84,8 +84,8 @@ namespace NBus {
 
     static const sockaddr_in6* SockAddrIpV6(const IRemoteAddr& a) {
         return (const sockaddr_in6*)a.Addr();
-    } 
- 
+    }
+
     static bool IsAddressEqual(const IRemoteAddr& a1, const IRemoteAddr& a2) {
         if (a1.Addr()->sa_family == a2.Addr()->sa_family) {
             if (a1.Addr()->sa_family == AF_INET) {
@@ -95,13 +95,13 @@ namespace NBus {
             }
         }
         return false;
-    } 
+    }
 
     TBusLocator::TBusLocator()
         : MyInterfaces(GetNetworkInterfaces())
     {
     }
- 
+
     bool TBusLocator::TItem::operator<(const TItem& y) const {
         const TItem& x = *this;
 
@@ -114,7 +114,7 @@ namespace NBus {
     bool TBusLocator::TItem::operator==(const TItem& y) const {
         return ServiceId == y.ServiceId && Start == y.Start && End == y.End && Addr == y.Addr;
     }
- 
+
     TBusLocator::TItem::TItem(TServiceId serviceId, TBusKey start, TBusKey end, const TNetAddr& addr)
         : ServiceId(serviceId)
         , Start(start)
@@ -122,7 +122,7 @@ namespace NBus {
         , Addr(addr)
     {
     }
- 
+
     bool TBusLocator::IsLocal(const TNetAddr& addr) {
         for (const auto& myInterface : MyInterfaces) {
             if (IsAddressEqual(addr, *myInterface.Address)) {
@@ -132,7 +132,7 @@ namespace NBus {
 
         return false;
     }
- 
+
     TBusLocator::TServiceId TBusLocator::GetServiceId(const char* name) {
         const char* c = ServiceIdSet.insert(name).first->c_str();
         return (ui64)c;
@@ -140,7 +140,7 @@ namespace NBus {
 
     int TBusLocator::RegisterBreak(TBusService service, const TVector<TBusKey>& starts, const TNetAddr& addr) {
         TGuard<TMutex> G(Lock);
- 
+
         TServiceId serviceId = GetServiceId(service);
         for (size_t i = 0; i < starts.size(); ++i) {
             RegisterBreak(serviceId, starts[i], addr);
@@ -152,7 +152,7 @@ namespace NBus {
         TItems::const_iterator it = Items.lower_bound(TItem(serviceId, 0, start, addr));
         TItems::const_iterator service_it =
             Items.lower_bound(TItem(serviceId, 0, 0, TNetAddr()));
- 
+
         THolder<TItem> left;
         THolder<TItem> right;
         if ((it != Items.end() || Items.begin() != Items.end()) && service_it != Items.end() && service_it->ServiceId == serviceId) {
@@ -174,11 +174,11 @@ namespace NBus {
         Items.insert(*right);
         NormalizeBreaks(serviceId);
         return 0;
-    } 
- 
+    }
+
     int TBusLocator::UnregisterBreak(TBusService service, const TNetAddr& addr) {
         TGuard<TMutex> G(Lock);
- 
+
         TServiceId serviceId = GetServiceId(service);
         return UnregisterBreak(serviceId, addr);
     }
@@ -225,7 +225,7 @@ namespace NBus {
             TItem item(serviceId, YBUS_KEYMIN, first->Start - 1, first->Addr);
             Items.insert(item);
         }
- 
+
         NormalizeBreaks(serviceId);
         return deleted;
     }
@@ -238,7 +238,7 @@ namespace NBus {
             if (serviceId != Max<TServiceId>()) {
                 last = Items.lower_bound(TItem(serviceId + 1, YBUS_KEYMIN, YBUS_KEYMIN, TNetAddr()));
             }
- 
+
             --last;
             Y_ASSERT(Items.end() != last);
             Y_ASSERT(last->ServiceId == serviceId);
@@ -251,10 +251,10 @@ namespace NBus {
     int TBusLocator::LocateAll(TBusService service, TBusKey key, TVector<TNetAddr>& addrs) {
         TGuard<TMutex> G(Lock);
         Y_VERIFY(addrs.empty(), "Non emtpy addresses");
- 
+
         TServiceId serviceId = GetServiceId(service);
         TItems::const_iterator it;
- 
+
         for (it = Items.lower_bound(TItem(serviceId, 0, key, TNetAddr()));
              it != Items.end() && it->ServiceId == serviceId && it->Start <= key && key <= it->End;
              ++it) {
@@ -273,27 +273,27 @@ namespace NBus {
 
         TServiceId serviceId = GetServiceId(service);
         TItems::const_iterator it;
- 
+
         it = Items.lower_bound(TItem(serviceId, 0, key, TNetAddr()));
- 
+
         if (it != Items.end()) {
             const TItem& item = *it;
             if (item.ServiceId == serviceId && item.Start <= key && key < item.End) {
                 *addr = item.Addr;
- 
+
                 return 0;
             }
         }
 
         return -1;
-    } 
- 
+    }
+
     int TBusLocator::GetLocalPort(TBusService service) {
         TGuard<TMutex> G(Lock);
         TServiceId serviceId = GetServiceId(service);
         TItems::const_iterator it;
         int port = 0;
- 
+
         for (it = Items.lower_bound(TItem(serviceId, 0, 0, TNetAddr())); it != Items.end(); ++it) {
             const TItem& item = *it;
             if (item.ServiceId != serviceId) {
@@ -357,8 +357,8 @@ namespace NBus {
             *isLocal = IsLocal(addr);
         }
         return 0;
-    } 
- 
+    }
+
     int TBusLocator::LocateKeys(TBusService service, TBusKeyVec& keys, bool onlyLocal) {
         TGuard<TMutex> G(Lock);
         Y_VERIFY(keys.empty(), "Non empty keys");
@@ -376,8 +376,8 @@ namespace NBus {
             keys.push_back(std::make_pair(item.Start, item.End));
         }
         return (int)keys.size();
-    } 
- 
+    }
+
     int TBusLocator::Register(TBusService service, const char* hostName, int port, TBusKey start /*= YBUS_KEYMIN*/, TBusKey end /*= YBUS_KEYMAX*/, EIpVersion requireVersion /*= EIP_VERSION_4*/, EIpVersion preferVersion /*= EIP_VERSION_ANY*/) {
         TNetAddr addr(hostName, port, requireVersion, preferVersion); // throws
         {
@@ -387,13 +387,13 @@ namespace NBus {
         Register(service, start, end, addr);
         return 0;
     }
- 
+
     int TBusLocator::Register(TBusService service, TBusKey start, TBusKey end, const TNetworkAddress& na, EIpVersion requireVersion /*= EIP_VERSION_4*/, EIpVersion preferVersion /*= EIP_VERSION_ANY*/) {
         TNetAddr addr(na, requireVersion, preferVersion); // throws
         Register(service, start, end, addr);
         return 0;
-    } 
- 
+    }
+
     int TBusLocator::Register(TBusService service, TBusKey start, TBusKey end, const TNetAddr& addr) {
         TGuard<TMutex> G(Lock);
 
@@ -412,7 +412,7 @@ namespace NBus {
                 Y_FAIL("Overlap in registered keys with non-identical range");
             }
         }
- 
+
         Items.insert(itemToReg);
         return 0;
     }
@@ -424,4 +424,4 @@ namespace NBus {
         return 0;
     }
 
-} 
+}
diff --git a/library/cpp/messagebus/message.cpp b/library/cpp/messagebus/message.cpp
index e4d483901d..bfa7ed8e9b 100644
--- a/library/cpp/messagebus/message.cpp
+++ b/library/cpp/messagebus/message.cpp
@@ -3,15 +3,15 @@
 
 #include <util/random/random.h>
 #include <util/string/printf.h>
-#include <util/system/atomic.h> 
- 
+#include <util/system/atomic.h>
+
 #include <string.h>
- 
+
 using namespace NBus;
 
 namespace NBus {
     using namespace NBus::NPrivate;
- 
+
     TBusIdentity::TBusIdentity()
         : MessageId(0)
         , Size(0)
@@ -73,7 +73,7 @@ namespace NBus {
         GetHeader()->Type = type;
         DoReset();
     }
- 
+
     TBusMessage::TBusMessage(ECreateUninitialized)
         //: TCtr("BusMessage")
         : TRefCounted<TBusMessage, TAtomicCounter, TDelete>(1)
@@ -81,11 +81,11 @@ namespace NBus {
         , Data(nullptr)
     {
     }
- 
+
     TString TBusMessage::Describe() const {
         return Sprintf("object type: %s, message type: %d", TypeName(*this).data(), int(GetHeader()->Type));
     }
- 
+
     TBusMessage::~TBusMessage() {
 #ifndef NDEBUG
         Y_VERIFY(GetHeader()->Id != YBUS_KEYINVALID, "must not be invalid key, message type: %d, ", int(Type));
@@ -94,7 +94,7 @@ namespace NBus {
         CheckClean();
 #endif
     }
- 
+
     void TBusMessage::DoReset() {
         GetHeader()->SendTime = 0;
         GetHeader()->Size = 0;
@@ -125,7 +125,7 @@ namespace NBus {
         memcpy(this, data.data(), sizeof(TBusHeader));
         return sizeof(TBusHeader);
     }
- 
+
     ///////////////////////////////////////////////////////
     /// \brief Packs header to network order
 
@@ -140,7 +140,7 @@ namespace NBus {
         data.Flags = GetHeader()->FlagsInternal;
         //data.LocalFlags = LocalFlags;
     }
- 
+
     ////////////////////////////////////////////////////////////
     /// \brief set message identity from serialized form
 
diff --git a/library/cpp/messagebus/messqueue.cpp b/library/cpp/messagebus/messqueue.cpp
index 8040dbf69e..3474d62705 100644
--- a/library/cpp/messagebus/messqueue.cpp
+++ b/library/cpp/messagebus/messqueue.cpp
@@ -3,13 +3,13 @@
 #include "remote_client_session.h"
 #include "remote_server_session.h"
 #include "ybus.h"
- 
+
 #include <util/generic/singleton.h>
 
 using namespace NBus;
 using namespace NBus::NPrivate;
 using namespace NActor;
- 
+
 TBusMessageQueuePtr NBus::CreateMessageQueue(const TBusQueueConfig& config, TExecutorPtr executor, TBusLocator* locator, const char* name) {
     return new TBusMessageQueue(config, executor, locator, name);
 }
@@ -20,8 +20,8 @@ TBusMessageQueuePtr NBus::CreateMessageQueue(const TBusQueueConfig& config, TBus
     executorConfig.Name = name;
     TExecutorPtr executor = new TExecutor(executorConfig);
     return CreateMessageQueue(config, executor, locator, name);
-} 
- 
+}
+
 TBusMessageQueuePtr NBus::CreateMessageQueue(const TBusQueueConfig& config, const char* name) {
     return CreateMessageQueue(config, new TBusLocator, name);
 }
@@ -50,15 +50,15 @@ TBusMessageQueue::TBusMessageQueue(const TBusQueueConfig& config, TExecutorPtr e
     , Locator(locator)
     , WorkQueue(executor)
     , Running(1)
-{ 
+{
     InitBusLwtrace();
     InitNetworkSubSystem();
-} 
- 
-TBusMessageQueue::~TBusMessageQueue() { 
+}
+
+TBusMessageQueue::~TBusMessageQueue() {
     Stop();
-} 
- 
+}
+
 void TBusMessageQueue::Stop() {
     if (!AtomicCas(&Running, 0, 1)) {
         ShutdownComplete.WaitI();
@@ -128,8 +128,8 @@ TBusClientSessionPtr TBusMessageQueue::CreateSource(TBusProtocol* proto, IBusCli
     TRemoteClientSessionPtr session(new TRemoteClientSession(this, proto, handler, config, name));
     Add(session.Get());
     return session.Get();
-} 
- 
+}
+
 TBusServerSessionPtr TBusMessageQueue::CreateDestination(TBusProtocol* proto, IBusServerHandler* handler, const TBusClientSessionConfig& config, const TString& name) {
     TRemoteServerSessionPtr session(new TRemoteServerSession(this, proto, handler, config, name));
     try {
@@ -140,7 +140,7 @@ TBusServerSessionPtr TBusMessageQueue::CreateDestination(TBusProtocol* proto, IB
         if (port == 0) {
             port = proto->GetPort();
         }
- 
+
         session->Listen(port, this);
 
         Add(session.Get());
@@ -164,8 +164,8 @@ TBusServerSessionPtr TBusMessageQueue::CreateDestination(TBusProtocol* proto, IB
 void TBusMessageQueue::Add(TIntrusivePtr<TBusSessionImpl> session) {
     TGuard<TMutex> scope(Lock);
     Sessions.push_back(session);
-} 
- 
+}
+
 void TBusMessageQueue::Remove(TBusSession* session) {
     TGuard<TMutex> scope(Lock);
     TList<TIntrusivePtr<TBusSessionImpl>>::iterator it = std::find(Sessions.begin(), Sessions.end(), session);
diff --git a/library/cpp/messagebus/oldmodule/module.cpp b/library/cpp/messagebus/oldmodule/module.cpp
index 3abcbfc87b..24bd778799 100644
--- a/library/cpp/messagebus/oldmodule/module.cpp
+++ b/library/cpp/messagebus/oldmodule/module.cpp
@@ -1,5 +1,5 @@
 #include "module.h"
- 
+
 #include <library/cpp/messagebus/scheduler_actor.h>
 #include <library/cpp/messagebus/thread_extra.h>
 #include <library/cpp/messagebus/actor/actor.h>
@@ -64,7 +64,7 @@ namespace NBus {
     namespace NPrivate {
         class TJobStorage {
         };
- 
+
         struct TModuleClientHandler
            : public IBusClientHandler {
             TModuleClientHandler(TBusModuleImpl* module)
@@ -334,16 +334,16 @@ namespace NBus {
 
         ClearAllMessageStates();
     }
- 
+
     TNetAddr TBusJob::GetPeerAddrNetAddr() const {
         Y_VERIFY(!!OnMessageContext);
         return OnMessageContext.GetPeerAddrNetAddr();
     }
- 
+
     void TBusJob::CheckThreadCurrentJob() {
         Y_ASSERT(ThreadCurrentJob == this);
     }
- 
+
     /////////////////////////////////////////////////////////
     /// \brief Send messages in pending list
 
@@ -405,17 +405,17 @@ namespace NBus {
         }
         return Pending.size() > 0;
     }
- 
+
     bool TBusJob::AnyPendingToSend() {
         for (unsigned i = 0; i < Pending.size(); ++i) {
             if (Pending[i].Status == MESSAGE_DONT_ASK) {
                 return true;
             }
-        } 
+        }
 
         return false;
-    } 
- 
+    }
+
     bool TBusJob::IsDone() {
         bool r = (SleepUntil == 0 && Pending.size() == 0 && (Handler == nullptr || Status != MESSAGE_OK));
         return r;
@@ -427,7 +427,7 @@ namespace NBus {
 
         Handler = Handler(ModuleImpl->Module, this, Message);
     }
- 
+
     bool TBusJob::CallJobHandler() {
         /// go on as far as we can go without waiting
         while (!IsDone()) {
@@ -465,9 +465,9 @@ namespace NBus {
 
             TThreadCurrentJobGuard threadCurrentJobGuard(this);
             (Module->*(call.Handler))(this, call.Status, call.Message, call.Reply);
-        } 
+        }
     }
- 
+
     int TBusJob::CallReplyHandler(EMessageStatus status, TBusMessage* mess, TBusMessage* reply) {
         /// find handler for given message and update it's status
         size_t i = 0;
@@ -476,34 +476,34 @@ namespace NBus {
             if (call.Message == mess) {
                 break;
             }
-        } 
+        }
 
         /// if not found, report error
         if (i == Pending.size()) {
             Y_FAIL("must not happen");
         }
- 
+
         /// fill in response into job state
         TJobState& call = Pending[i];
         call.Status = status;
         Y_ASSERT(call.Message == mess);
         call.Reply = reply;
- 
+
         if ((status == MESSAGE_TIMEOUT || status == MESSAGE_DELIVERY_FAILED) && call.NumRetries < call.MaxRetries) {
             call.NumRetries++;
             call.Status = MESSAGE_DONT_ASK;
             call.Message->Reset(); // generate new Id
             DoCallReplyHandler(call);
             return 0;
-        } 
+        }
 
         /// call the handler if provided
         DoCallReplyHandler(call);
- 
+
         /// move job state into the finished stack
         Finished.push_back(Pending[i]);
         Pending.erase(Pending.begin() + i);
- 
+
         return 0;
     }
 
@@ -511,21 +511,21 @@ namespace NBus {
     /// send message to any other session or application
     void TBusJob::Send(TBusMessageAutoPtr mess, TBusClientSession* session, TReplyHandler rhandler, size_t maxRetries) {
         CheckThreadCurrentJob();
- 
+
         SetJob(mess.Get(), Runner);
         Pending.push_back(TJobState(rhandler, MESSAGE_DONT_ASK, mess.Release(), session, nullptr, maxRetries, nullptr, false));
     }
 
     void TBusJob::Send(TBusMessageAutoPtr mess, TBusClientSession* session, TReplyHandler rhandler, size_t maxRetries, const TNetAddr& addr) {
         CheckThreadCurrentJob();
- 
+
         SetJob(mess.Get(), Runner);
         Pending.push_back(TJobState(rhandler, MESSAGE_DONT_ASK, mess.Release(), session, nullptr, maxRetries, &addr, false));
     }
 
     void TBusJob::SendOneWayTo(TBusMessageAutoPtr req, TBusClientSession* session, const TNetAddr& addr) {
         CheckThreadCurrentJob();
- 
+
         SetJob(req.Get(), Runner);
         Pending.push_back(TJobState(nullptr, MESSAGE_DONT_ASK, req.Release(), session, nullptr, 0, &addr, true));
     }
@@ -559,7 +559,7 @@ namespace NBus {
 
         Status = status;
     }
- 
+
     void TBusJob::ClearState(TJobState& call) {
         TJobStateVec::iterator it;
         for (it = Finished.begin(); it != Finished.end(); ++it) {
@@ -569,10 +569,10 @@ namespace NBus {
                 Finished.erase(it);
                 return;
             }
-        } 
+        }
         Y_ASSERT(0);
-    } 
- 
+    }
+
     void TBusJob::ClearAllMessageStates() {
         ClearJobStateVector(&Finished);
         ClearJobStateVector(&Pending);
@@ -586,7 +586,7 @@ namespace NBus {
 
         SleepUntil = Now() + milliSeconds;
     }
- 
+
     TString TBusJob::GetStatus(unsigned flags) {
         TString strReturn;
         strReturn += Sprintf("  job=%016" PRIx64 " type=%d sent=%d pending=%d (%d) %s\n",
@@ -624,8 +624,8 @@ namespace NBus {
         if (job) {
             job->Cancel(status);
         }
-    } 
- 
+    }
+
     TString TBusModuleImpl::GetStatus(unsigned flags) {
         Y_UNUSED(flags);
         TWhatThreadDoesAcquireGuard<TMutex> G(Lock, "modules: acquiring lock for GetStatus");
diff --git a/library/cpp/messagebus/oldmodule/module.h b/library/cpp/messagebus/oldmodule/module.h
index e263d1b618..8d1c4a5d52 100644
--- a/library/cpp/messagebus/oldmodule/module.h
+++ b/library/cpp/messagebus/oldmodule/module.h
@@ -1,55 +1,55 @@
 #pragma once
 
-/////////////////////////////////////////////////////////////////////////// 
-/// \file 
-/// \brief Application interface for modules 
+///////////////////////////////////////////////////////////////////////////
+/// \file
+/// \brief Application interface for modules
 
-/// NBus::TBusModule provides foundation for implementation of asynchnous 
-/// modules that communicate with multiple external or local sessions 
+/// NBus::TBusModule provides foundation for implementation of asynchnous
+/// modules that communicate with multiple external or local sessions
 /// NBus::TBusSession.
 
 /// To implement the module some virtual functions needs to be overridden:
 
 /// NBus::TBusModule::CreateExtSession() creates and registers an
-/// external session that receives incoming messages as input for module 
+/// external session that receives incoming messages as input for module
 /// processing.
 
 /// When new incoming message arrives the new NBus::TBusJob is created.
-/// NBus::TBusJob is somewhat similar to a thread, it maintains all the state 
+/// NBus::TBusJob is somewhat similar to a thread, it maintains all the state
 /// during processing of one incoming message. Default implementation of
 /// NBus::TBusJob will maintain all send and received messages during
 /// lifetime of this job. Each message, status and reply can be found
-/// within NBus::TJobState using NBus::TBusJob::GetState(). If your module 
-/// needs to maintain an additional information during lifetime of the job 
+/// within NBus::TJobState using NBus::TBusJob::GetState(). If your module
+/// needs to maintain an additional information during lifetime of the job
 /// you can derive your own class from NBus::TBusJob and override job
 /// factory method NBus::IJobFactory::CreateJobInstance() to create your instances.
 
 /// Processing of a given message starts with a call to NBus::TBusModule::Start()
 /// handler that should be overridden in the module implementation. Within
-/// the callback handler module can perform any computation and access any 
-/// datastore tables that it needs. The handler can also access any module 
+/// the callback handler module can perform any computation and access any
+/// datastore tables that it needs. The handler can also access any module
 /// variables. However, same handler can be called from multiple threads so,
 /// it is recommended that handler only access read-only module level variables.
 
 /// Handler should use NBus::TBusJob::Send() to send messages to other client
-/// sessions and it can use NBus::TBusJob::Reply() to send reply to the main 
+/// sessions and it can use NBus::TBusJob::Reply() to send reply to the main
 /// job message. When handler is done, it returns the pointer to the next handler to call
-/// when all pending messages have cleared. If handler 
-/// returns pointer to itself the module will reschedule execution of this handler 
-/// for a later time. This should be done in case NBus::TBusJob::Send() returns 
-/// error (not MESSAGE_OK) 
- 
+/// when all pending messages have cleared. If handler
+/// returns pointer to itself the module will reschedule execution of this handler
+/// for a later time. This should be done in case NBus::TBusJob::Send() returns
+/// error (not MESSAGE_OK)
+
 #include "startsession.h"
 
 #include <library/cpp/messagebus/ybus.h>
- 
+
 #include <util/generic/noncopyable.h>
 #include <util/generic/object_counter.h>
 
-namespace NBus { 
+namespace NBus {
     class TBusJob;
     class TBusModule;
- 
+
     namespace NPrivate {
         struct TCallJobHandlerWorkItem;
         struct TBusModuleImpl;
@@ -57,7 +57,7 @@ namespace NBus {
         struct TModuleClientHandler;
         struct TJobRunner;
     }
- 
+
     class TJobHandler {
     protected:
         typedef TJobHandler (TBusModule::*TBusHandlerPtr)(TBusJob* job, TBusMessage* mess);
@@ -86,12 +86,12 @@ namespace NBus {
             return (b->*MyPtr)(job, mess);
         }
     };
- 
+
     typedef void (TBusModule::*TReplyHandler)(TBusJob* job, EMessageStatus status, TBusMessage* mess, TBusMessage* reply);
- 
+
     ////////////////////////////////////////////////////
     /// \brief Pending message state
- 
+
     struct TJobState {
         friend class TBusJob;
         friend class ::TCrawlerModule;
@@ -131,9 +131,9 @@ namespace NBus {
     public:
         TString GetStatus(unsigned flags);
     };
- 
+
     using TJobStateVec = TVector<TJobState>;
- 
+
     /////////////////////////////////////////////////////////
     /// \brief Execution item = thread
 
@@ -147,10 +147,10 @@ namespace NBus {
     public:
         /// given a module and starter message
         TBusJob(TBusModule* module, TBusMessage* message);
- 
+
         /// destructor will free all the message that were send and received
         virtual ~TBusJob();
- 
+
         TBusMessage* GetMessage() const {
             return Message;
         }
@@ -161,13 +161,13 @@ namespace NBus {
         /// If addr is set then use it as destination.
         void Send(TBusMessageAutoPtr mess, TBusClientSession* session, TReplyHandler rhandler, size_t maxRetries, const TNetAddr& addr);
         void Send(TBusMessageAutoPtr mess, TBusClientSession* session, TReplyHandler rhandler = nullptr, size_t maxRetries = 0);
- 
+
         void SendOneWayTo(TBusMessageAutoPtr req, TBusClientSession* session, const TNetAddr& addr);
         void SendOneWayWithLocator(TBusMessageAutoPtr req, TBusClientSession* session);
 
         /// send reply to the starter message
         virtual void SendReply(TBusMessageAutoPtr reply);
- 
+
         /// set the flag to terminate job at the earliest convenience
         void Cancel(EMessageStatus status);
 
@@ -179,7 +179,7 @@ namespace NBus {
         void PutState(const TJobState& state) {
             Finished.push_back(state);
         }
- 
+
     public:
         /// retrieve all pending messages
         void GetPending(TJobStateVec* stateVec) {
@@ -225,10 +225,10 @@ namespace NBus {
                     }
                     return static_cast<MessageType*>(call.Message);
                 }
-            } 
+            }
             return nullptr;
-        } 
- 
+        }
+
         /// helper function to find status for previously sent message
         template <class MessageType>
         EMessageStatus GetStatus(int* startFrom = nullptr) {
@@ -240,10 +240,10 @@ namespace NBus {
                     }
                     return call.Status;
                 }
-            } 
+            }
             return MESSAGE_UNKNOWN;
-        } 
- 
+        }
+
         /// helper function to clear state of previosly sent messages
         template <class MessageType>
         void Clear() {
@@ -256,24 +256,24 @@ namespace NBus {
                 } else {
                     ++i;
                 }
-            } 
-        } 
- 
+            }
+        }
+
         /// helper function to clear state in order to try again
         void ClearState(TJobState& state);
- 
+
         /// clears all message states
         void ClearAllMessageStates();
 
         /// returns true if job is done
         bool IsDone();
- 
+
         /// return human reabable status of this job
         virtual TString GetStatus(unsigned flags);
 
         /// set sleep time for job
         void Sleep(int milliSeconds);
- 
+
         void CallJobHandlerOnly();
 
     private:
@@ -297,7 +297,7 @@ namespace NBus {
         TOnMessageContext OnMessageContext; // starter
     public:
         bool ReplySent;
- 
+
     private:
         friend class TBusModule;
         friend struct NPrivate::TBusModuleImpl;
@@ -312,7 +312,7 @@ namespace NBus {
         NPrivate::TBusModuleImpl* ModuleImpl; ///< module which created the job
         TBusInstant SleepUntil;               ///< time to wakeup, 0 if no sleep
     };
- 
+
     ////////////////////////////////////////////////////////////////////
     /// \brief Classes to implement basic module functionality
 
@@ -358,18 +358,18 @@ namespace NBus {
         friend class TBusJob;
 
         TObjectCounter<TBusModule> ObjectCounter;
- 
+
         TIntrusivePtr<NPrivate::TBusModuleImpl> Impl;
- 
+
     public:
         /// Each module should have a name which is used as protocol service
         TBusModule(const char* name);
         ~TBusModule() override;
 
         const char* GetName() const;
- 
+
         void SetConfig(const TBusModuleConfig& config);
- 
+
         /// get status of all jobs in flight
         TString GetStatus(unsigned flags = 0);
 
@@ -380,7 +380,7 @@ namespace NBus {
 
         // this default implementation just creates TBusJob object
         TBusJob* CreateJobInstance(TBusMessage* message) override;
- 
+
         EMessageStatus StartJob(TAutoPtr<TBusMessage> message);
 
         /// creates private sessions, calls CreateExtSession(), should be called before StartInput()
@@ -391,7 +391,7 @@ namespace NBus {
     public:
         /// entry point into module, first function to call
         virtual TJobHandler Start(TBusJob* job, TBusMessage* mess) = 0;
- 
+
     protected:
         /// override this function to create destination session
         virtual TBusServerSessionPtr CreateExtSession(TBusMessageQueue& queue) = 0;
diff --git a/library/cpp/messagebus/oldmodule/startsession.cpp b/library/cpp/messagebus/oldmodule/startsession.cpp
index 8126e11530..7c38801d62 100644
--- a/library/cpp/messagebus/oldmodule/startsession.cpp
+++ b/library/cpp/messagebus/oldmodule/startsession.cpp
@@ -1,19 +1,19 @@
-/////////////////////////////////////////////////////////// 
+///////////////////////////////////////////////////////////
 /// \file
-/// \brief Starter session implementation 
+/// \brief Starter session implementation
 
-/// Starter session will generate emtpy message to insert 
-/// into local session that are registered under same protocol 
+/// Starter session will generate emtpy message to insert
+/// into local session that are registered under same protocol
 
-/// Starter (will one day) automatically adjust number 
-/// of message inflight to make sure that at least one of source 
-/// sessions within message queue is at the limit (bottle neck) 
+/// Starter (will one day) automatically adjust number
+/// of message inflight to make sure that at least one of source
+/// sessions within message queue is at the limit (bottle neck)
+
+/// Maximum number of messages that starter will instert into
+/// the pipeline is configured by NBus::TBusSessionConfig::MaxInFlight
+
+#include "startsession.h"
 
-/// Maximum number of messages that starter will instert into 
-/// the pipeline is configured by NBus::TBusSessionConfig::MaxInFlight 
- 
-#include "startsession.h" 
- 
 #include "module.h"
 
 #include <library/cpp/messagebus/ybus.h>
@@ -24,7 +24,7 @@ namespace NBus {
         pThis->Starter();
         return nullptr;
     }
- 
+
     TBusStarter::TBusStarter(TBusModule* module, const TBusSessionConfig& config)
         : Module(module)
         , Config(config)
@@ -33,11 +33,11 @@ namespace NBus {
     {
         StartThread.Start();
     }
- 
+
     TBusStarter::~TBusStarter() {
         Shutdown();
     }
- 
+
     void TBusStarter::Shutdown() {
         {
             TGuard<TMutex> g(ExitLock);
@@ -46,20 +46,20 @@ namespace NBus {
         }
         StartThread.Join();
     }
- 
+
     void TBusStarter::Starter() {
         TGuard<TMutex> g(ExitLock);
         while (!Exiting) {
             TAutoPtr<TBusMessage> empty(new TBusMessage(0));
- 
+
             EMessageStatus status = Module->StartJob(empty);
- 
+
             if (Config.SendTimeout > 0) {
                 ExitSignal.WaitT(ExitLock, TDuration::MilliSeconds(Config.SendTimeout));
             } else {
                 ExitSignal.WaitT(ExitLock, (status == MESSAGE_BUSY) ? TDuration::MilliSeconds(1) : TDuration::Zero());
             }
-        } 
-    } 
+        }
+    }
 
 }
diff --git a/library/cpp/messagebus/oldmodule/startsession.h b/library/cpp/messagebus/oldmodule/startsession.h
index c6b407743d..5e26e7e1e5 100644
--- a/library/cpp/messagebus/oldmodule/startsession.h
+++ b/library/cpp/messagebus/oldmodule/startsession.h
@@ -1,12 +1,12 @@
 #pragma once
- 
+
 #include <library/cpp/messagebus/ybus.h>
 
-#include <util/system/thread.h> 
- 
-namespace NBus { 
+#include <util/system/thread.h>
+
+namespace NBus {
     class TBusModule;
- 
+
     class TBusStarter {
     private:
         TBusModule* Module;
@@ -23,12 +23,12 @@ namespace NBus {
         TString GetStatus(ui16 /*flags=YBUS_STATUS_CONNS*/) {
             return "";
         }
- 
+
     public:
         TBusStarter(TBusModule* module, const TBusSessionConfig& config);
         ~TBusStarter();
 
         void Shutdown();
     };
- 
+
 }
diff --git a/library/cpp/messagebus/protobuf/ybusbuf.h b/library/cpp/messagebus/protobuf/ybusbuf.h
index 7e3a125868..57b4267ea5 100644
--- a/library/cpp/messagebus/protobuf/ybusbuf.h
+++ b/library/cpp/messagebus/protobuf/ybusbuf.h
@@ -1,24 +1,24 @@
 #pragma once
- 
+
 #include <library/cpp/messagebus/ybus.h>
- 
+
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/message.h>
- 
+
 #include <util/generic/cast.h>
 #include <util/generic/vector.h>
 #include <util/stream/mem.h>
- 
+
 #include <array>
 
-namespace NBus { 
+namespace NBus {
     using TBusBufferRecord = ::google::protobuf::Message;
- 
+
     template <class TBufferMessage>
     class TBusBufferMessagePtr;
     template <class TBufferMessage>
     class TBusBufferMessageAutoPtr;
- 
+
     class TBusBufferBase: public TBusMessage {
     public:
         TBusBufferBase(int type)
@@ -43,7 +43,7 @@ namespace NBus {
 
     /// @param TBufferRecord is record described in .proto file with namespace
     /// @param MessageFile is offset for .proto file message ids
- 
+
     /// \attention If you want one protocol NBus::TBusBufferProtocol to handle
     /// messageges described in different .proto files, make sure that they have
     /// unique values for MessageFile
@@ -52,7 +52,7 @@ namespace NBus {
     class TBusBufferMessage: public TBusBufferBase {
     public:
         static const int MessageType = MType;
- 
+
         typedef TBusBufferMessagePtr<TBusBufferMessage<TBufferRecord, MType>> TPtr;
         typedef TBusBufferMessageAutoPtr<TBusBufferMessage<TBufferRecord, MType>> TAutoPtr;
 
@@ -88,7 +88,7 @@ namespace NBus {
             return new TBusBufferMessage<TBufferRecord, MessageType>();
         }
     };
- 
+
     template <class TSelf, class TBufferMessage>
     class TBusBufferMessagePtrBase {
     public:
@@ -101,7 +101,7 @@ namespace NBus {
         const TSelf* GetSelf() const {
             return static_cast<const TSelf*>(this);
         }
- 
+
     public:
         RecordType* operator->() {
             Y_ASSERT(GetSelf()->Get());
@@ -119,7 +119,7 @@ namespace NBus {
             Y_ASSERT(GetSelf()->Get());
             return GetSelf()->Get()->Record;
         }
- 
+
         TBusHeader* GetHeader() {
             return GetSelf()->Get()->GetHeader();
         }
@@ -127,7 +127,7 @@ namespace NBus {
             return GetSelf()->Get()->GetHeader();
         }
     };
- 
+
     template <class TBufferMessage>
     class TBusBufferMessagePtr: public TBusBufferMessagePtrBase<TBusBufferMessagePtr<TBufferMessage>, TBufferMessage> {
     protected:
@@ -179,7 +179,7 @@ namespace NBus {
             : AutoPtr(message)
         {
         }
- 
+
         TBufferMessage* Get() {
             return AutoPtr.Get();
         }
@@ -198,7 +198,7 @@ namespace NBus {
             return AutoPtr.Release();
         }
     };
- 
+
     /////////////////////////////////////////////
     /// \brief Generic protocol object for messages descibed with protobuf
 
@@ -223,7 +223,7 @@ namespace NBus {
         void RegisterType(TAutoPtr<TBusBufferBase> mess);
 
         TArrayRef<TBusBufferBase* const> GetTypes() const;
- 
+
         /// serialized protocol specific data into TBusData
         void Serialize(const TBusMessage* mess, TBuffer& data) override;
 
diff --git a/library/cpp/messagebus/session.cpp b/library/cpp/messagebus/session.cpp
index 142fba2c71..46a7ece6a8 100644
--- a/library/cpp/messagebus/session.cpp
+++ b/library/cpp/messagebus/session.cpp
@@ -7,7 +7,7 @@ using namespace NBus;
 namespace NBus {
     TBusSession::TBusSession() {
     }
- 
+
     ////////////////////////////////////////////////////////////////////
     /// \brief Adds peer of connection into connection list
 
@@ -20,7 +20,7 @@ namespace NBus {
             case AF_INET: {
                 return memcmp(&(((const sockaddr_in*)l.Addr())->sin_addr), &(((const sockaddr_in*)r.Addr())->sin_addr), sizeof(in_addr));
             }
- 
+
             case AF_INET6: {
                 return memcmp(&(((const sockaddr_in6*)l.Addr())->sin6_addr), &(((const sockaddr_in6*)r.Addr())->sin6_addr), sizeof(in6_addr));
             }
@@ -32,13 +32,13 @@ namespace NBus {
     bool operator<(const TNetAddr& a1, const TNetAddr& a2) {
         return CompareByHost(a1, a2) < 0;
     }
- 
+
     size_t TBusSession::GetInFlight(const TNetAddr& addr) const {
         size_t r;
         GetInFlightBulk({addr}, MakeArrayRef(&r, 1));
         return r;
     }
- 
+
     size_t TBusSession::GetConnectSyscallsNumForTest(const TNetAddr& addr) const {
         size_t r;
         GetConnectSyscallsNumBulkForTest({addr}, MakeArrayRef(&r, 1));
@@ -107,16 +107,16 @@ namespace NBus {
                 return -1;
             }
         }
- 
+
         TBusService service = GetProto()->GetService();
         return GetQueue()->GetLocator()->Register(service, hostName.data(), portNum, start, end, ipVersion);
-    } 
- 
+    }
+
     TBusSession::~TBusSession() {
     }
 
-} 
- 
+}
+
 TBusClientSessionPtr TBusClientSession::Create(TBusProtocol* proto, IBusClientHandler* handler, const TBusClientSessionConfig& config, TBusMessageQueuePtr queue) {
     return queue->CreateSource(proto, handler, config);
 }
diff --git a/library/cpp/messagebus/test/helper/example.h b/library/cpp/messagebus/test/helper/example.h
index 5aa9b53df0..26b7475308 100644
--- a/library/cpp/messagebus/test/helper/example.h
+++ b/library/cpp/messagebus/test/helper/example.h
@@ -1,10 +1,10 @@
 #pragma once
- 
+
 #include <library/cpp/testing/unittest/registar.h>
 
 #include "alloc_counter.h"
 #include "message_handler_error.h"
- 
+
 #include <library/cpp/messagebus/ybus.h>
 #include <library/cpp/messagebus/misc/test_sync.h>
 
@@ -14,13 +14,13 @@ namespace NBus {
     namespace NTest {
         class TExampleRequest: public TBusMessage {
             friend class TExampleProtocol;
- 
+
         private:
             TAllocCounter AllocCounter;
 
         public:
             TString Data;
- 
+
         public:
             TExampleRequest(TAtomic* counterPtr, size_t payloadSize = 320);
             TExampleRequest(ECreateUninitialized, TAtomic* counterPtr);
@@ -28,10 +28,10 @@ namespace NBus {
 
         class TExampleResponse: public TBusMessage {
             friend class TExampleProtocol;
- 
+
         private:
             TAllocCounter AllocCounter;
- 
+
         public:
             TString Data;
             TExampleResponse(TAtomic* counterPtr, size_t payloadSize = 320);
@@ -47,11 +47,11 @@ namespace NBus {
             TAtomic StartCount;
 
             TExampleProtocol(int port = 0);
- 
+
             ~TExampleProtocol() override;
- 
+
             void Serialize(const TBusMessage* message, TBuffer& buffer) override;
- 
+
             TAutoPtr<TBusMessage> Deserialize(ui16 messageType, TArrayRef<const char> payload) override;
         };
 
@@ -77,7 +77,7 @@ namespace NBus {
             ~TExampleClient() override;
 
             EMessageStatus SendMessage(const TNetAddr* addr = nullptr);
- 
+
             void SendMessages(size_t count, const TNetAddr* addr = nullptr);
             void SendMessages(size_t count, const TNetAddr& addr);
 
@@ -90,7 +90,7 @@ namespace NBus {
             void SendMessagesWaitReplies(size_t count, const TNetAddr& addr);
 
             void OnReply(TAutoPtr<TBusMessage> mess, TAutoPtr<TBusMessage> reply) override;
- 
+
             void OnError(TAutoPtr<TBusMessage> mess, EMessageStatus) override;
         };
 
@@ -101,12 +101,12 @@ namespace NBus {
             bool AckMessageBeforeSendReply;
             TMaybe<size_t> DataSize; // Nothing means use request size
             bool ForgetRequest;
- 
+
             TTestSync TestSync;
 
             TBusMessageQueuePtr Bus;
             TBusServerSessionPtr Session;
- 
+
         public:
             TExampleServer(
                 const char* name = "TExampleServer",
@@ -115,7 +115,7 @@ namespace NBus {
             TExampleServer(unsigned port, const char* name = "TExampleServer");
 
             ~TExampleServer() override;
- 
+
         public:
             size_t GetInFlight() const;
             unsigned GetActualListenPort() const;
@@ -127,6 +127,6 @@ namespace NBus {
         protected:
             void OnMessage(TOnMessageContext& mess) override;
         };
- 
+
     }
 }
diff --git a/library/cpp/messagebus/test/perftest/perftest.cpp b/library/cpp/messagebus/test/perftest/perftest.cpp
index 6ca846099f..8489319278 100644
--- a/library/cpp/messagebus/test/perftest/perftest.cpp
+++ b/library/cpp/messagebus/test/perftest/perftest.cpp
@@ -1,5 +1,5 @@
 #include "simple_proto.h"
- 
+
 #include <library/cpp/messagebus/test/perftest/messages.pb.h>
 
 #include <library/cpp/messagebus/text_utils.h>
@@ -448,66 +448,66 @@ private:
     }
 };
 
-// ./perftest/perftest -s 11456 -c localhost:11456 -r 60 -n 4 -i 5000 
- 
-using namespace std; 
-using namespace NBus; 
- 
+// ./perftest/perftest -s 11456 -c localhost:11456 -r 60 -n 4 -i 5000
+
+using namespace std;
+using namespace NBus;
+
 static TNetworkAddress ParseNetworkAddress(const char* string) {
     TString Name;
     int Port;
- 
+
     const char* port = strchr(string, ':');
- 
+
     if (port != nullptr) {
         Name.append(string, port - string);
-        Port = atoi(port + 1); 
+        Port = atoi(port + 1);
     } else {
         Name.append(string);
         Port = TheConfig->ServerPort != 0 ? TheConfig->ServerPort : DEFAULT_PORT;
-    } 
- 
+    }
+
     return TNetworkAddress(Name, Port);
 }
 
 TVector<TNetAddr> ParseNodes(const TString nodes) {
     TVector<TNetAddr> r;
- 
+
     TVector<TString> hosts;
- 
+
     size_t numh = Split(nodes.data(), ",", hosts);
- 
-    for (int i = 0; i < int(numh); i++) { 
+
+    for (int i = 0; i < int(numh); i++) {
         const TNetworkAddress& networkAddress = ParseNetworkAddress(hosts[i].data());
         Y_VERIFY(networkAddress.Begin() != networkAddress.End(), "no addresses");
         r.push_back(TNetAddr(networkAddress, &*networkAddress.Begin()));
-    } 
- 
+    }
+
     return r;
-} 
- 
+}
+
 TPerftestConfig::TPerftestConfig() {
     TBusSessionConfig defaultConfig;
 
     ServerPort = DEFAULT_PORT;
-    Delay = 0; // artificial delay inside server OnMessage() 
+    Delay = 0; // artificial delay inside server OnMessage()
     MessageSize = 200;
-    Failure = 0.00; 
-    Run = 60; // in seconds 
-    Nodes = "localhost"; 
+    Failure = 0.00;
+    Run = 60; // in seconds
+    Nodes = "localhost";
     ServerUseModules = false;
     ExecuteOnMessageInWorkerPool = defaultConfig.ExecuteOnMessageInWorkerPool;
     ExecuteOnReplyInWorkerPool = defaultConfig.ExecuteOnReplyInWorkerPool;
     UseCompression = false;
     Profile = false;
     WwwPort = 0;
-} 
- 
+}
+
 TPerftestConfig* TheConfig = new TPerftestConfig();
 bool TheExit = false;
 
 TSystemEvent StopEvent;
- 
+
 TSimpleSharedPtr<TPerftestServer> Server;
 TSimpleSharedPtr<TPerftestUsingModule> ServerUsingModule;
 
@@ -516,13 +516,13 @@ TMutex ClientsLock;
 
 void stopsignal(int /*sig*/) {
     fprintf(stderr, "\n-------------------- exiting ------------------\n");
-    TheExit = true; 
+    TheExit = true;
     StopEvent.Signal();
-} 
- 
-// -s <num> - start server on port <num> 
-// -c <node:port,node:port> - start client 
- 
+}
+
+// -s <num> - start server on port <num>
+// -c <node:port,node:port> - start client
+
 void TTestStats::PeriodicallyPrint() {
     SetCurrentThreadName("print-stats");
 
@@ -589,7 +589,7 @@ void TTestStats::PeriodicallyPrint() {
 
 int main(int argc, char* argv[]) {
     NLWTrace::StartLwtraceFromEnv();
- 
+
     /* unix foo */
     setvbuf(stdout, nullptr, _IONBF, 0);
     setvbuf(stderr, nullptr, _IONBF, 0);
@@ -600,7 +600,7 @@ int main(int argc, char* argv[]) {
     SetAsyncSignalHandler(SIGUSR1, stopsignal);
 #endif
     signal(SIGPIPE, SIG_IGN);
- 
+
     NLastGetopt::TOpts opts = NLastGetopt::TOpts::Default();
     opts.AddLongOption('s', "server-port", "server port").RequiredArgument("port").StoreResult(&TheConfig->ServerPort);
     opts.AddCharOption('m', "average message size").RequiredArgument("size").StoreResult(&TheConfig->MessageSize);
@@ -621,7 +621,7 @@ int main(int argc, char* argv[]) {
     opts.AddLongOption("profile").SetFlag(&TheConfig->Profile);
     opts.AddLongOption("www-port").RequiredArgument("PORT").StoreResult(&TheConfig->WwwPort);
     opts.AddHelpOption();
- 
+
     Config.ServerQueueConfig.ConfigureLastGetopt(opts, "server-");
     Config.ServerSessionConfig.ConfigureLastGetopt(opts, "server-");
     Config.ClientQueueConfig.ConfigureLastGetopt(opts, "client-");
@@ -631,9 +631,9 @@ int main(int argc, char* argv[]) {
 
     NLastGetopt::TOptsParseResult parseResult(&opts, argc, argv);
 
-    TheConfig->Print(); 
+    TheConfig->Print();
     Config.Print();
- 
+
     if (TheConfig->Profile) {
         BeginProfiling();
     }
@@ -642,7 +642,7 @@ int main(int argc, char* argv[]) {
 
     ServerAddresses = ParseNodes(TheConfig->Nodes);
 
-    if (TheConfig->ServerPort) { 
+    if (TheConfig->ServerPort) {
         if (TheConfig->ServerUseModules) {
             ServerUsingModule = new TPerftestUsingModule();
             www->RegisterModule(ServerUsingModule.Get());
@@ -650,7 +650,7 @@ int main(int argc, char* argv[]) {
             Server = new TPerftestServer();
             www->RegisterServerSession(Server->Session);
         }
-    } 
+    }
 
     TVector<TSimpleSharedPtr<NThreading::TLegacyFuture<void, false>>> futures;
 
@@ -661,8 +661,8 @@ int main(int argc, char* argv[]) {
             futures.push_back(new NThreading::TLegacyFuture<void, false>(std::bind(&TPerftestClient::Work, Clients.back())));
             www->RegisterClientSession(Clients.back()->Session);
         }
-    } 
- 
+    }
+
     futures.push_back(new NThreading::TLegacyFuture<void, false>(std::bind(&TTestStats::PeriodicallyPrint, std::ref(Stats))));
 
     THolder<TBusWwwHttpServer> wwwServer;
@@ -709,5 +709,5 @@ int main(int argc, char* argv[]) {
     }
 
     Cerr << "***SUCCESS***\n";
-    return 0; 
-} 
+    return 0;
+}
diff --git a/library/cpp/messagebus/test/perftest/ya.make b/library/cpp/messagebus/test/perftest/ya.make
index 0d4288cee9..24c2848ed5 100644
--- a/library/cpp/messagebus/test/perftest/ya.make
+++ b/library/cpp/messagebus/test/perftest/ya.make
@@ -1,8 +1,8 @@
 PROGRAM(messagebus_perftest)
- 
+
 OWNER(g:messagebus)
 
-PEERDIR( 
+PEERDIR(
     library/cpp/deprecated/threadable
     library/cpp/execprofile
     library/cpp/getopt
@@ -13,12 +13,12 @@ PEERDIR(
     library/cpp/messagebus/www
     library/cpp/sighandler
     library/cpp/threading/future
-) 
- 
-SRCS( 
+)
+
+SRCS(
     messages.proto
-    perftest.cpp 
+    perftest.cpp
     simple_proto.cpp
-) 
- 
-END() 
+)
+
+END()
diff --git a/library/cpp/messagebus/test/ut/moduletest.h b/library/cpp/messagebus/test/ut/moduletest.h
index a128d3ab21..d5da72c0cb 100644
--- a/library/cpp/messagebus/test/ut/moduletest.h
+++ b/library/cpp/messagebus/test/ut/moduletest.h
@@ -1,9 +1,9 @@
 #pragma once
- 
-/////////////////////////////////////////////////////////////////// 
-/// \file 
-/// \brief Example of using local session for communication. 
- 
+
+///////////////////////////////////////////////////////////////////
+/// \file
+/// \brief Example of using local session for communication.
+
 #include <library/cpp/messagebus/test/helper/alloc_counter.h>
 #include <library/cpp/messagebus/test/helper/example.h>
 #include <library/cpp/messagebus/test/helper/message_handler_error.h>
@@ -14,10 +14,10 @@
 namespace NBus {
     namespace NTest {
         using namespace std;
- 
+
 #define TYPE_HOSTINFOREQUEST 100
-#define TYPE_HOSTINFORESPONSE 101 
- 
+#define TYPE_HOSTINFORESPONSE 101
+
         ////////////////////////////////////////////////////////////////////
         /// \brief DupDetect protocol that common between client and server
         ////////////////////////////////////////////////////////////////////
@@ -32,11 +32,11 @@ namespace NBus {
                 : TBusMessage(MESSAGE_CREATE_UNINITIALIZED)
             {
             }
- 
+
             ~THostInfoMessage() override {
             }
         };
- 
+
         ////////////////////////////////////////////////////////////////////
         /// \brief HostInfo reply class
         class THostInfoReply: public TBusMessage {
@@ -49,11 +49,11 @@ namespace NBus {
                 : TBusMessage(MESSAGE_CREATE_UNINITIALIZED)
             {
             }
- 
+
             ~THostInfoReply() override {
             }
         };
- 
+
         ////////////////////////////////////////////////////////////////////
         /// \brief HostInfo protocol that common between client and server
         class THostInfoProtocol: public TBusProtocol {
@@ -67,7 +67,7 @@ namespace NBus {
                 Y_UNUSED(data);
                 Y_UNUSED(mess);
             }
- 
+
             /// deserialized TBusData into new instance of the message
             TAutoPtr<TBusMessage> Deserialize(ui16 messageType, TArrayRef<const char> payload) override {
                 Y_UNUSED(payload);
@@ -81,23 +81,23 @@ namespace NBus {
                 }
             }
         };
- 
+
         //////////////////////////////////////////////////////////////
         /// \brief HostInfo handler (should convert it to module too)
         struct THostInfoHandler: public TBusServerHandlerError {
             TBusServerSessionPtr Session;
             TBusServerSessionConfig HostInfoConfig;
             THostInfoProtocol HostInfoProto;
- 
+
             THostInfoHandler(TBusMessageQueue* queue) {
                 Session = TBusServerSession::Create(&HostInfoProto, this, HostInfoConfig, queue);
             }
- 
+
             void OnMessage(TOnMessageContext& mess) override {
                 usleep(10 * 1000); /// pretend we are doing something
- 
+
                 TAutoPtr<THostInfoReply> reply(new THostInfoReply());
- 
+
                 mess.SendReplyMove(reply);
             }
 
@@ -105,7 +105,7 @@ namespace NBus {
                 return TNetAddr("localhost", Session->GetActualListenPort());
             }
         };
- 
+
         //////////////////////////////////////////////////////////////
         /// \brief DupDetect handler (should convert it to module too)
         struct TDupDetectHandler: public TBusClientHandlerError {
@@ -114,34 +114,34 @@ namespace NBus {
             TBusClientSessionPtr DupDetect;
             TBusClientSessionConfig DupDetectConfig;
             TExampleProtocol DupDetectProto;
- 
+
             int NumMessages;
             int NumReplies;
- 
+
             TDupDetectHandler(const TNetAddr& serverAddr, TBusMessageQueuePtr queue)
                 : ServerAddr(serverAddr)
             {
                 DupDetect = TBusClientSession::Create(&DupDetectProto, this, DupDetectConfig, queue);
                 DupDetect->RegisterService("localhost");
             }
- 
+
             void Work() {
                 NumMessages = 10;
                 NumReplies = 0;
- 
+
                 for (int i = 0; i < NumMessages; i++) {
                     TExampleRequest* mess = new TExampleRequest(&DupDetectProto.RequestCount);
                     DupDetect->SendMessage(mess, &ServerAddr);
                 }
             }
- 
+
             void OnReply(TAutoPtr<TBusMessage> mess, TAutoPtr<TBusMessage> reply) override {
                 Y_UNUSED(mess);
                 Y_UNUSED(reply);
                 NumReplies++;
             }
         };
- 
+
         /////////////////////////////////////////////////////////////////
         /// \brief DupDetect module
 
@@ -151,12 +151,12 @@ namespace NBus {
             TBusClientSessionPtr HostInfoClientSession;
             TBusClientSessionConfig HostInfoConfig;
             THostInfoProtocol HostInfoProto;
- 
+
             TExampleProtocol DupDetectProto;
             TBusServerSessionConfig DupDetectConfig;
- 
+
             TNetAddr ListenAddr;
- 
+
             TDupDetectModule(const TNetAddr& hostInfoAddr)
                 : TBusModule("DUPDETECTMODULE")
                 , HostInfoAddr(hostInfoAddr)
@@ -166,10 +166,10 @@ namespace NBus {
             bool Init(TBusMessageQueue* queue) {
                 HostInfoClientSession = CreateDefaultSource(*queue, &HostInfoProto, HostInfoConfig);
                 HostInfoClientSession->RegisterService("localhost");
- 
+
                 return TBusModule::CreatePrivateSessions(queue);
             }
- 
+
             TBusServerSessionPtr CreateExtSession(TBusMessageQueue& queue) override {
                 TBusServerSessionPtr session = CreateDefaultDestination(queue, &DupDetectProto, DupDetectConfig);
 
@@ -177,14 +177,14 @@ namespace NBus {
 
                 return session;
             }
- 
+
             /// entry point into module, first function to call
             TJobHandler Start(TBusJob* job, TBusMessage* mess) override {
                 TExampleRequest* dmess = dynamic_cast<TExampleRequest*>(mess);
                 Y_UNUSED(dmess);
- 
+
                 THostInfoMessage* hmess = new THostInfoMessage();
- 
+
                 /// send message to imaginary hostinfo server
                 job->Send(hmess, HostInfoClientSession, TReplyHandler(), 0, HostInfoAddr);
 
@@ -195,27 +195,27 @@ namespace NBus {
             TJobHandler ProcessHostInfo(TBusJob* job, TBusMessage* mess) {
                 TExampleRequest* dmess = dynamic_cast<TExampleRequest*>(mess);
                 Y_UNUSED(dmess);
- 
+
                 THostInfoMessage* hmess = job->Get<THostInfoMessage>();
                 THostInfoReply* hreply = job->Get<THostInfoReply>();
                 EMessageStatus hstatus = job->GetStatus<THostInfoMessage>();
                 Y_ASSERT(hmess != nullptr);
                 Y_ASSERT(hreply != nullptr);
                 Y_ASSERT(hstatus == MESSAGE_OK);
- 
+
                 return TJobHandler(&TDupDetectModule::Finish);
             }
 
             /// last handler sends reply and returns NULL
             TJobHandler Finish(TBusJob* job, TBusMessage* mess) {
                 Y_UNUSED(mess);
- 
+
                 TExampleResponse* reply = new TExampleResponse(&DupDetectProto.ResponseCount);
                 job->SendReply(reply);
- 
+
                 return nullptr;
             }
         };
- 
-    } 
+
+    }
 }
diff --git a/library/cpp/messagebus/test/ut/one_way_ut.cpp b/library/cpp/messagebus/test/ut/one_way_ut.cpp
index 61d3a465a7..9c21227e2b 100644
--- a/library/cpp/messagebus/test/ut/one_way_ut.cpp
+++ b/library/cpp/messagebus/test/ut/one_way_ut.cpp
@@ -1,134 +1,134 @@
-/////////////////////////////////////////////////////////////////// 
-/// \file 
+///////////////////////////////////////////////////////////////////
+/// \file
 /// \brief Example of reply-less communication
 
-/// This example demostrates how asynchronous message passing library 
-/// can be used to send message and do not wait for reply back. 
-/// The usage of reply-less communication should be restricted to 
-/// low-throughput clients and high-throughput server to provide reasonable 
-/// utility. Removing replies from the communication removes any restriction 
-/// on how many message can be send to server and rougue clients may overwelm 
-/// server without thoughtput control. 
+/// This example demostrates how asynchronous message passing library
+/// can be used to send message and do not wait for reply back.
+/// The usage of reply-less communication should be restricted to
+/// low-throughput clients and high-throughput server to provide reasonable
+/// utility. Removing replies from the communication removes any restriction
+/// on how many message can be send to server and rougue clients may overwelm
+/// server without thoughtput control.
 
-/// 1) To implement reply-less client \n 
+/// 1) To implement reply-less client \n
 
 /// Call NBus::TBusSession::AckMessage()
 /// from within NBus::IMessageHandler::OnSent() handler when message has
 /// gone into wire on client end. See example in NBus::NullClient::OnMessageSent().
-/// Discard identity for reply message. 
+/// Discard identity for reply message.
 
-/// 2) To implement reply-less server \n 
+/// 2) To implement reply-less server \n
 
-/// Call NBus::TBusSession::AckMessage() from within NBus::IMessageHandler::OnMessage() 
+/// Call NBus::TBusSession::AckMessage() from within NBus::IMessageHandler::OnMessage()
 /// handler when message has been received on server end.
 /// See example in NBus::NullServer::OnMessage().
-/// Discard identity for reply message. 
- 
+/// Discard identity for reply message.
+
 #include <library/cpp/messagebus/test/helper/alloc_counter.h>
 #include <library/cpp/messagebus/test/helper/example.h>
 #include <library/cpp/messagebus/test/helper/hanging_server.h>
 #include <library/cpp/messagebus/test/helper/message_handler_error.h>
 #include <library/cpp/messagebus/test/helper/object_count_check.h>
 #include <library/cpp/messagebus/test/helper/wait_for.h>
- 
+
 #include <library/cpp/messagebus/ybus.h>
 
-using namespace std; 
+using namespace std;
 using namespace NBus;
 using namespace NBus::NPrivate;
 using namespace NBus::NTest;
- 
-//////////////////////////////////////////////////////////////////// 
-//////////////////////////////////////////////////////////////////// 
-/// \brief Reply-less client and handler 
+
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+/// \brief Reply-less client and handler
 struct NullClient : TBusClientHandlerError {
     TNetAddr ServerAddr;
 
     TBusMessageQueuePtr Queue;
     TBusClientSessionPtr Session;
     TExampleProtocol Proto;
- 
-    /// constructor creates instances of protocol and session 
+
+    /// constructor creates instances of protocol and session
     NullClient(const TNetAddr& serverAddr, const TBusClientSessionConfig& sessionConfig = TBusClientSessionConfig())
         : ServerAddr(serverAddr)
     {
         UNIT_ASSERT(serverAddr.GetPort() > 0);
- 
-        /// create or get instance of message queue, need one per application 
+
+        /// create or get instance of message queue, need one per application
         Queue = CreateMessageQueue();
- 
-        /// register source/client session 
+
+        /// register source/client session
         Session = TBusClientSession::Create(&Proto, this, sessionConfig, Queue);
 
         /// register service, announce to clients via LocatorService
         Session->RegisterService("localhost");
-    } 
- 
+    }
+
     ~NullClient() override {
         Session->Shutdown();
     }
 
-    /// dispatch of requests is done here 
+    /// dispatch of requests is done here
     void Work() {
-        int batch = 10; 
- 
+        int batch = 10;
+
         for (int i = 0; i < batch; i++) {
             TExampleRequest* mess = new TExampleRequest(&Proto.RequestCount);
             mess->Data = "TADA";
             Session->SendMessageOneWay(mess, &ServerAddr);
-        } 
-    } 
- 
+        }
+    }
+
     void OnMessageSentOneWay(TAutoPtr<TBusMessage>) override {
-    } 
-}; 
- 
-///////////////////////////////////////////////////////////////////// 
-/// \brief Reply-less server and handler 
+    }
+};
+
+/////////////////////////////////////////////////////////////////////
+/// \brief Reply-less server and handler
 class NullServer: public TBusServerHandlerError {
-public: 
-    /// session object to maintian 
+public:
+    /// session object to maintian
     TBusMessageQueuePtr Queue;
     TBusServerSessionPtr Session;
     TExampleProtocol Proto;
- 
-public: 
+
+public:
     TAtomic NumMessages;
- 
-    NullServer() { 
-        NumMessages = 0; 
- 
-        /// create or get instance of single message queue, need one for application 
+
+    NullServer() {
+        NumMessages = 0;
+
+        /// create or get instance of single message queue, need one for application
         Queue = CreateMessageQueue();
- 
-        /// register destination session 
+
+        /// register destination session
         TBusServerSessionConfig sessionConfig;
         Session = TBusServerSession::Create(&Proto, this, sessionConfig, Queue);
-    } 
- 
+    }
+
     ~NullServer() override {
         Session->Shutdown();
     }
 
-    /// when message comes do not send reply, just acknowledge 
+    /// when message comes do not send reply, just acknowledge
     void OnMessage(TOnMessageContext& mess) override {
         TExampleRequest* fmess = static_cast<TExampleRequest*>(mess.GetMessage());
- 
+
         Y_ASSERT(fmess->Data == "TADA");
- 
-        /// tell session to forget this message and never expect any reply 
+
+        /// tell session to forget this message and never expect any reply
         mess.ForgetRequest();
- 
+
         AtomicIncrement(NumMessages);
-    } 
- 
-    /// this handler should not be called because this server does not send replies 
+    }
+
+    /// this handler should not be called because this server does not send replies
     void OnSent(TAutoPtr<TBusMessage> mess) override {
         Y_UNUSED(mess);
         Y_FAIL("This server does not sent replies");
     }
-}; 
- 
+};
+
 Y_UNIT_TEST_SUITE(TMessageBusTests_OneWay) {
     Y_UNIT_TEST(Simple) {
         TObjectCountCheck objectCountCheck;
diff --git a/library/cpp/messagebus/ya.make b/library/cpp/messagebus/ya.make
index 5d26086a73..e13cf06dea 100644
--- a/library/cpp/messagebus/ya.make
+++ b/library/cpp/messagebus/ya.make
@@ -49,7 +49,7 @@ SRCS(
     use_after_free_checker.cpp
     use_count_checker.cpp
     ybus.h
-) 
+)
 
 PEERDIR(
     contrib/libs/sparsehash
diff --git a/library/cpp/messagebus/ybus.h b/library/cpp/messagebus/ybus.h
index 77839f0ef1..de21ad8521 100644
--- a/library/cpp/messagebus/ybus.h
+++ b/library/cpp/messagebus/ybus.h
@@ -27,23 +27,23 @@
 #include <util/generic/buffer.h>
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
-#include <util/stream/input.h> 
-#include <util/system/atomic.h> 
+#include <util/stream/input.h>
+#include <util/system/atomic.h>
 #include <util/system/condvar.h>
 #include <util/system/type_name.h>
 #include <util/system/event.h>
 #include <util/system/mutex.h>
- 
-namespace NBus { 
+
+namespace NBus {
     ////////////////////////////////////////////////////////
     /// \brief Common structure to store address information
- 
+
     int CompareByHost(const IRemoteAddr& l, const IRemoteAddr& r) noexcept;
     bool operator<(const TNetAddr& a1, const TNetAddr& a2); // compare by addresses
 
     /////////////////////////////////////////////////////////////////////////
     /// \brief Handles routing and data encoding to/from wire
- 
+
     /// Protocol is stateless threadsafe singleton object that
     /// encapsulates relationship between a message (TBusMessage) object
     /// and destination server. Protocol object is reponsible for serializing in-memory
@@ -69,7 +69,7 @@ namespace NBus {
         TBusService GetService() const {
             return ServiceName.data();
         }
- 
+
         /// returns port number for destination session to open socket
         int GetPort() const {
             return ServicePort;
@@ -81,18 +81,18 @@ namespace NBus {
         /// \brief serialized protocol specific data into TBusData
         /// \note buffer passed to the function (data) is not empty, use append functions
         virtual void Serialize(const TBusMessage* mess, TBuffer& data) = 0;
- 
+
         /// deserialized TBusData into new instance of the message
         virtual TAutoPtr<TBusMessage> Deserialize(ui16 messageType, TArrayRef<const char> payload) = 0;
- 
+
         /// returns key for messages of this protocol
         virtual TBusKey GetKey(const TBusMessage*) {
             return YBUS_KEYMIN;
         }
- 
+
         /// default implementation of routing policy to allow overrides
         virtual EMessageStatus GetDestination(const TBusClientSession* session, TBusMessage* mess, TBusLocator* locator, TNetAddr* addr);
- 
+
         /// codec for transport level compression
         virtual NCodecs::TCodecPtr GetTransportCodec(void) const {
             return NCodecs::ICodec::GetInstance("snappy");
@@ -101,7 +101,7 @@ namespace NBus {
 
     class TBusSyncSourceSession: public TAtomicRefCount<TBusSyncSourceSession> {
         friend class TBusMessageQueue;
- 
+
     public:
         TBusSyncSourceSession(TIntrusivePtr< ::NBus::NPrivate::TBusSyncSourceSessionImpl> session);
         ~TBusSyncSourceSession();
@@ -139,9 +139,9 @@ namespace NBus {
         TList<TIntrusivePtr< ::NBus::NPrivate::TBusSessionImpl>> Sessions;
         TSimpleIntrusivePtr<TBusLocator> Locator;
         NPrivate::TScheduler Scheduler;
- 
+
         ::NActor::TExecutorPtr WorkQueue;
- 
+
         TAtomic Running;
         TSystemEvent ShutdownComplete;
 
@@ -151,12 +151,12 @@ namespace NBus {
 
     public:
         TString GetNameInternal() const;
- 
+
         ~TBusMessageQueue();
 
         void Stop();
         bool IsRunning();
- 
+
     public:
         void EnqueueWork(TArrayRef< ::NActor::IWorkItem* const> w) {
             WorkQueue->EnqueueWork(w);
@@ -180,11 +180,11 @@ namespace NBus {
         TBusSyncClientSessionPtr CreateSyncSource(TBusProtocol* proto, const TBusClientSessionConfig& config, bool needReply = true, const TString& name = "");
         TBusServerSessionPtr CreateDestination(TBusProtocol* proto, IBusServerHandler* hander, const TBusServerSessionConfig& config, const TString& name = "");
         TBusServerSessionPtr CreateDestination(TBusProtocol* proto, IBusServerHandler* hander, const TBusServerSessionConfig& config, const TVector<TBindResult>& bindTo, const TString& name = "");
- 
+
     private:
         void Destroy(TBusSession* session);
         void Destroy(TBusSyncClientSessionPtr session);
- 
+
     public:
         void Schedule(NPrivate::IScheduleItemAutoPtr i);
 
@@ -201,5 +201,5 @@ namespace NBus {
     TBusMessageQueuePtr CreateMessageQueue(const TBusQueueConfig& config, const char* name = "");
     TBusMessageQueuePtr CreateMessageQueue(const TBusQueueConfig& config, TBusLocator* locator, const char* name = "");
     TBusMessageQueuePtr CreateMessageQueue(const TBusQueueConfig& config, NActor::TExecutorPtr executor, TBusLocator* locator, const char* name = "");
- 
+
 }