mirror of
https://github.com/OPM/ResInsight.git
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381 lines
18 KiB
C++
381 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2019- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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//////////////////////////////////////////////////////////////////////////////////
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inline RiaGrpcCallbackInterface::RiaGrpcCallbackInterface()
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: m_state( CREATE_HANDLER )
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, m_status( Status::OK )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiaGrpcCallbackInterface::CallState RiaGrpcCallbackInterface::callState() const
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{
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return m_state;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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const Status& RiaGrpcCallbackInterface::status() const
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{
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return m_status;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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inline void RiaGrpcCallbackInterface::setNextCallState( CallState state )
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{
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m_state = state;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>::RiaGrpcServiceCallback( ServiceT* service )
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: m_service( service )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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QString RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>::name() const
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{
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QString fullName = QString( "%1:%2(%3, %4)" )
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.arg( typeid( ServiceT ).name() )
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.arg( methodType() )
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.arg( typeid( RequestT ).name() )
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.arg( typeid( ReplyT ).name() );
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return fullName;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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const RequestT& RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>::request() const
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{
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return m_request;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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ReplyT& RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>::reply()
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{
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return m_reply;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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RiaGrpcUnaryCallback<ServiceT, RequestT, ReplyT>::RiaGrpcUnaryCallback( ServiceT* service,
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MethodImplT methodImpl,
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MethodRequestT methodRequest )
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: RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>( service )
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, m_responder( &m_context )
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, m_methodImpl( methodImpl )
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, m_methodRequest( methodRequest )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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RiaGrpcCallbackInterface* RiaGrpcUnaryCallback<ServiceT, RequestT, ReplyT>::createNewFromThis() const
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{
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return new RiaGrpcUnaryCallback<ServiceT, RequestT, ReplyT>( this->m_service, this->m_methodImpl, this->m_methodRequest );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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void RiaGrpcUnaryCallback<ServiceT, RequestT, ReplyT>::createRequestHandler( ServerCompletionQueue* completionQueue )
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{
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// The Request-method is where the service gets registered to respond to a given request.
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m_methodRequest( *this->m_service, &m_context, &this->m_request, &m_responder, completionQueue, completionQueue, this );
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// Simple unary requests don't need initialisation, so proceed to process as soon as a request turns up.
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this->setNextCallState( RiaGrpcCallbackInterface::PROCESS_REQUEST );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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void RiaGrpcUnaryCallback<ServiceT, RequestT, ReplyT>::onProcessRequest()
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{
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// Call request handler method
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this->m_status = m_methodImpl( *this->m_service, &m_context, &this->m_request, &this->m_reply );
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// Simply unary requests are finished as soon as you've done any processing.
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// So next time we receive a new tag on the command queue we should proceed to finish.
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this->setNextCallState( RiaGrpcCallbackInterface::FINISH_REQUEST );
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// Finish will push this callback back on the command queue (now with Finish as the call state).
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m_responder.Finish( this->m_reply, this->m_status, this );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT>
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QString RiaGrpcUnaryCallback<ServiceT, RequestT, ReplyT>::methodType() const
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{
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return "RegularMethod";
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::RiaGrpcServerToClientStreamCallback(
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ServiceT* service,
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MethodImplT methodImpl,
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MethodRequestT methodRequest,
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StateHandlerT* stateHandler )
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: RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>( service )
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, m_responder( &m_context )
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, m_methodImpl( methodImpl )
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, m_methodRequest( methodRequest )
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, m_stateHandler( stateHandler )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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RiaGrpcCallbackInterface*
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RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::createNewFromThis() const
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{
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return new RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>( this->m_service,
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m_methodImpl,
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m_methodRequest,
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new StateHandlerT );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::createRequestHandler(
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ServerCompletionQueue* completionQueue )
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{
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// The Request-method is where the service gets registered to respond to a given request.
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m_methodRequest( *this->m_service, &m_context, &this->m_request, &m_responder, completionQueue, completionQueue, this );
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// Server->Client Streaming requests require initialisation. However, we receive the complete request immediately.
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// So can proceed directly to completion of the init request.
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this->setNextCallState( RiaGrpcCallbackInterface::INIT_REQUEST_COMPLETED );
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}
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//--------------------------------------------------------------------------------------------------
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/// Perform initialisation tasks at the time of receiving a complete request
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::onInitRequestCompleted()
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{
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// Initialise streaming state handler
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this->m_status = m_stateHandler->init( &this->m_request );
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if ( !this->m_status.ok() )
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{
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// We have an error. Proceed to finish and report the status
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this->setNextCallState( RiaGrpcCallbackInterface::FINISH_REQUEST );
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m_responder.Finish( this->m_status, this );
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return;
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}
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// Move on to processing and perform the first processing immediately since the client will
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// not request anything more.
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this->setNextCallState( RiaGrpcCallbackInterface::PROCESS_REQUEST );
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this->onProcessRequest();
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}
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//--------------------------------------------------------------------------------------------------
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/// Process a streaming request and send one package
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::onProcessRequest()
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{
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this->m_reply = ReplyT(); // Make sure it is reset
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// Call request handler method
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this->m_status = m_methodImpl( *this->m_service, &m_context, &this->m_request, &this->m_reply, m_stateHandler.get() );
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if ( this->m_status.ok() )
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{
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// The write call will send data to client AND put this callback back on the command queue
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// so that this method gets called again to send the next stream package.
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m_responder.Write( this->m_reply, this );
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}
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else
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{
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this->setNextCallState( RiaGrpcCallbackInterface::FINISH_REQUEST );
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// Out of range means we're finished but it isn't an error
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if ( this->m_status.error_code() == grpc::OUT_OF_RANGE )
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{
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this->m_status = Status::OK;
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}
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// Finish will put this callback back on the command queue, now with a finish state.
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m_responder.Finish( this->m_status, this );
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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QString RiaGrpcServerToClientStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::methodType() const
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{
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return "StreamingMethod";
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::RiaGrpcClientToServerStreamCallback(
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ServiceT* service,
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MethodImplT methodImpl,
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MethodRequestT methodRequest,
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StateHandlerT* stateHandler )
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: RiaGrpcServiceCallback<ServiceT, RequestT, ReplyT>( service )
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, m_reader( &m_context )
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, m_methodImpl( methodImpl )
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, m_methodRequest( methodRequest )
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, m_stateHandler( stateHandler )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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RiaGrpcCallbackInterface*
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RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::createNewFromThis() const
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{
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return new RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>( this->m_service,
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m_methodImpl,
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m_methodRequest,
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new StateHandlerT( true ) );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::createRequestHandler(
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ServerCompletionQueue* completionQueue )
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{
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// The Request-method is where the service gets registered to respond to a given request.
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m_methodRequest( *this->m_service, &m_context, &this->m_reader, completionQueue, completionQueue, this );
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// The client->server streaming requires initialisation and each request package is streamed asynchronously
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// So we need to start and complete the init request.
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this->setNextCallState( RiaGrpcCallbackInterface::INIT_REQUEST_STARTED );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::onInitRequestStarted()
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{
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this->setNextCallState( RiaGrpcCallbackInterface::INIT_REQUEST_COMPLETED );
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// The read call will start reading the request data and push this callback back onto the command queue
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// when the read call is completed.
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m_reader.Read( &this->m_request, this );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::onInitRequestCompleted()
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{
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this->setNextCallState( RiaGrpcCallbackInterface::PROCESS_REQUEST );
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// Fully received the stream package so can now init
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this->m_status = m_stateHandler->init( &this->m_request );
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if ( !this->m_status.ok() )
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{
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// We have an error. Proceed to finish and report the status
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m_reader.FinishWithError( this->m_status, this );
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this->setNextCallState( RiaGrpcCallbackInterface::FINISH_REQUEST );
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return;
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}
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// Start reading and push this back onto the command queue.
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m_reader.Read( &this->m_request, this );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::onProcessRequest()
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{
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this->m_reply = ReplyT(); // Make sure it is reset
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// Call request handler method
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this->m_status = m_methodImpl( *this->m_service, &m_context, &this->m_request, &this->m_reply, m_stateHandler.get() );
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if ( !this->m_status.ok() )
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{
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this->setNextCallState( RiaGrpcCallbackInterface::FINISH_REQUEST );
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m_reader.FinishWithError( this->m_status, this );
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}
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else
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{
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CAF_ASSERT( m_stateHandler->streamedValueCount() <= m_stateHandler->totalValueCount() );
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if ( m_stateHandler->streamedValueCount() == m_stateHandler->totalValueCount() )
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{
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this->setNextCallState( RiaGrpcCallbackInterface::FINISH_REQUEST );
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m_reader.Finish( this->m_reply, grpc::Status::OK, this );
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}
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else
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{
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m_reader.Read( &this->m_request, this );
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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void RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::onFinishRequest()
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{
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m_stateHandler->finish();
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
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QString RiaGrpcClientToServerStreamCallback<ServiceT, RequestT, ReplyT, StateHandlerT>::methodType() const
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{
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return "ClientStreamingMethod";
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}
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