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#pragma once
#include "acceptor_status.h"
#include "async_result.h"
#include "event_loop.h"
#include "netaddr.h"
#include "remote_connection.h"
#include "remote_connection_status.h"
#include "session_job_count.h"
#include "shutdown_state.h"
#include "ybus.h"
#include <library/cpp/messagebus/actor/actor.h>
#include <library/cpp/messagebus/actor/queue_in_actor.h>
#include <library/cpp/messagebus/monitoring/mon_proto.pb.h>
#include <library/cpp/threading/future/legacy_future.h>
#include <util/generic/array_ref.h>
#include <util/generic/string.h>
namespace NBus {
namespace NPrivate {
typedef TIntrusivePtr<TRemoteClientConnection> TRemoteClientConnectionPtr;
typedef TIntrusivePtr<TRemoteServerConnection> TRemoteServerConnectionPtr;
typedef TIntrusivePtr<TRemoteServerSession> TRemoteServerSessionPtr;
typedef TIntrusivePtr<TAcceptor> TAcceptorPtr;
typedef TVector<TAcceptorPtr> TAcceptorsPtrs;
struct TConnectionsAcceptorsSnapshot {
TVector<TRemoteConnectionPtr> Connections;
TVector<TAcceptorPtr> Acceptors;
ui64 LastConnectionId;
ui64 LastAcceptorId;
TConnectionsAcceptorsSnapshot();
};
typedef TAtomicSharedPtr<TConnectionsAcceptorsSnapshot> TConnectionsAcceptorsSnapshotPtr;
struct TOnAccept {
SOCKET s;
TNetAddr addr;
TInstant now;
};
struct TStatusTag {};
struct TConnectionTag {};
struct TDeadConnectionTag {};
struct TRemoveTag {};
struct TBusSessionImpl
: public virtual TBusSession,
private ::NActor::TActor<TBusSessionImpl, TStatusTag>,
private ::NActor::TActor<TBusSessionImpl, TConnectionTag>
,
private ::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionWriterIncrementalStatus, TStatusTag, TDeadConnectionTag>,
private ::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionReaderIncrementalStatus, TStatusTag, TDeadConnectionTag>,
private ::NActor::TQueueInActor<TBusSessionImpl, TAcceptorStatus, TStatusTag, TDeadConnectionTag>
,
private ::NActor::TQueueInActor<TBusSessionImpl, TOnAccept, TConnectionTag>,
private ::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionPtr, TConnectionTag, TRemoveTag> {
friend class TAcceptor;
friend class TRemoteConnection;
friend class TRemoteServerConnection;
friend class ::NActor::TActor<TBusSessionImpl, TStatusTag>;
friend class ::NActor::TActor<TBusSessionImpl, TConnectionTag>;
friend class ::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionWriterIncrementalStatus, TStatusTag, TDeadConnectionTag>;
friend class ::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionReaderIncrementalStatus, TStatusTag, TDeadConnectionTag>;
friend class ::NActor::TQueueInActor<TBusSessionImpl, TAcceptorStatus, TStatusTag, TDeadConnectionTag>;
friend class ::NActor::TQueueInActor<TBusSessionImpl, TOnAccept, TConnectionTag>;
friend class ::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionPtr, TConnectionTag, TRemoveTag>;
public:
::NActor::TQueueInActor<TBusSessionImpl, TOnAccept, TConnectionTag>* GetOnAcceptQueue() {
return this;
}
::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionPtr, TConnectionTag, TRemoveTag>* GetRemoveConnectionQueue() {
return this;
}
::NActor::TActor<TBusSessionImpl, TConnectionTag>* GetConnectionActor() {
return this;
}
typedef TGuard<TMutex> TConnectionsGuard;
TBusSessionImpl(bool isSource, TBusMessageQueue* queue, TBusProtocol* proto,
IBusErrorHandler* handler,
const TBusSessionConfig& config, const TString& name);
~TBusSessionImpl() override;
void Shutdown() override;
bool IsDown();
size_t GetInFlightImpl(const TNetAddr& addr) const;
size_t GetConnectSyscallsNumForTestImpl(const TNetAddr& addr) const;
void GetInFlightBulk(TArrayRef<const TNetAddr> addrs, TArrayRef<size_t> results) const override;
void GetConnectSyscallsNumBulkForTest(TArrayRef<const TNetAddr> addrs, TArrayRef<size_t> results) const override;
virtual void FillStatus();
TSessionDumpStatus GetStatusRecordInternal() override;
TString GetStatus(ui16 flags = YBUS_STATUS_CONNS) override;
TConnectionStatusMonRecord GetStatusProtobuf() override;
TString GetStatusSingleLine() override;
void ProcessItem(TStatusTag, TDeadConnectionTag, const TRemoteConnectionWriterIncrementalStatus&);
void ProcessItem(TStatusTag, TDeadConnectionTag, const TRemoteConnectionReaderIncrementalStatus&);
void ProcessItem(TStatusTag, TDeadConnectionTag, const TAcceptorStatus&);
void ProcessItem(TStatusTag, ::NActor::TDefaultTag, const TAcceptorStatus&);
void ProcessItem(TConnectionTag, ::NActor::TDefaultTag, const TOnAccept&);
void ProcessItem(TConnectionTag, TRemoveTag, TRemoteConnectionPtr);
void ProcessConnectionsAcceptorsShapshotQueueItem(TAtomicSharedPtr<TConnectionsAcceptorsSnapshot>);
void StatusUpdateCachedDump();
void StatusUpdateCachedDumpIfNecessary(TInstant now);
void Act(TStatusTag);
void Act(TConnectionTag);
TBusProtocol* GetProto() const noexcept override;
const TBusSessionConfig* GetConfig() const noexcept override;
TBusMessageQueue* GetQueue() const noexcept override;
TString GetNameInternal() override;
virtual void OnMessageReceived(TRemoteConnection* c, TVectorSwaps<TBusMessagePtrAndHeader>& newMsg) = 0;
void Listen(int port, TBusMessageQueue* q);
void Listen(const TVector<TBindResult>& bindTo, TBusMessageQueue* q);
TBusConnection* Accept(SOCKET listen);
inline ::NActor::TActor<TBusSessionImpl, TStatusTag>* GetStatusActor() {
return this;
}
inline ::NActor::TActor<TBusSessionImpl, TConnectionTag>* GetConnectionsActor() {
return this;
}
typedef THashMap<TBusSocketAddr, TRemoteConnectionPtr> TAddrRemoteConnections;
void SendSnapshotToStatusActor();
void InsertConnectionLockAcquired(TRemoteConnection* connection);
void InsertAcceptorLockAcquired(TAcceptor* acceptor);
void GetConnections(TVector<TRemoteConnectionPtr>*);
void GetAcceptors(TVector<TAcceptorPtr>*);
void GetConnectionsLockAquired(TVector<TRemoteConnectionPtr>*);
void GetAcceptorsLockAquired(TVector<TAcceptorPtr>*);
TRemoteConnectionPtr GetConnection(const TBusSocketAddr& addr, bool create);
TRemoteConnectionPtr GetConnectionById(ui64 id);
TAcceptorPtr GetAcceptorById(ui64 id);
void InvokeOnError(TNonDestroyingAutoPtr<TBusMessage>, EMessageStatus);
void Cron();
TBusSessionJobCount JobCount;
// TODO: replace with actor
TMutex ConnectionsLock;
struct TImpl;
THolder<TImpl> Impl;
const bool IsSource_;
TBusMessageQueue* const Queue;
TBusProtocol* const Proto;
// copied to be available after Proto dies
const TString ProtoName;
IBusErrorHandler* const ErrorHandler;
TUseCountHolder HandlerUseCountHolder;
TBusSessionConfig Config; // TODO: make const
NEventLoop::TEventLoop WriteEventLoop;
NEventLoop::TEventLoop ReadEventLoop;
THolder<NThreading::TLegacyFuture<void, false>> ReadEventLoopThread;
THolder<NThreading::TLegacyFuture<void, false>> WriteEventLoopThread;
THashMap<ui64, TRemoteConnectionPtr> ConnectionsById;
TAddrRemoteConnections Connections;
TAcceptorsPtrs Acceptors;
struct TStatusData {
TAtomicSharedPtr<TConnectionsAcceptorsSnapshot> ConnectionsAcceptorsSnapshot;
::NActor::TQueueForActor<TAtomicSharedPtr<TConnectionsAcceptorsSnapshot>> ConnectionsAcceptorsSnapshotsQueue;
TAtomicShutdownState ShutdownState;
TBusSessionStatus Status;
TSessionDumpStatus StatusDumpCached;
TMutex StatusDumpCachedMutex;
TInstant StatusDumpCachedLastUpdate;
TStatusData();
};
TStatusData StatusData;
struct TConnectionsData {
TAtomicShutdownState ShutdownState;
TConnectionsData();
};
TConnectionsData ConnectionsData;
::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionWriterIncrementalStatus,
TStatusTag, TDeadConnectionTag>*
GetDeadConnectionWriterStatusQueue() {
return this;
}
::NActor::TQueueInActor<TBusSessionImpl, TRemoteConnectionReaderIncrementalStatus,
TStatusTag, TDeadConnectionTag>*
GetDeadConnectionReaderStatusQueue() {
return this;
}
::NActor::TQueueInActor<TBusSessionImpl, TAcceptorStatus,
TStatusTag, TDeadConnectionTag>*
GetDeadAcceptorStatusQueue() {
return this;
}
template <typename TItem>
::NActor::IQueueInActor<TItem>* GetQueue() {
return this;
}
ui64 LastAcceptorId;
ui64 LastConnectionId;
TAtomic Down;
TSystemEvent ShutdownCompleteEvent;
};
inline TBusProtocol* TBusSessionImpl::GetProto() const noexcept {
return Proto;
}
inline const TBusSessionConfig* TBusSessionImpl::GetConfig() const noexcept {
return &Config;
}
inline TBusMessageQueue* TBusSessionImpl::GetQueue() const noexcept {
return Queue;
}
}
}
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