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#4430 Implement client -> server streaming framework and SetActiveCellProperty

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This commit is contained in:
Gaute Lindkvist
2019-05-22 15:30:09 +02:00
parent 90af7a2e6b
commit c30721593e
12 changed files with 391 additions and 81 deletions
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63
ApplicationCode/GrpcInterface/RiaGrpcCallbacks.h
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@@ -25,6 +25,7 @@
using grpc::CompletionQueue;
using grpc::ServerAsyncResponseWriter;
using grpc::ServerAsyncReader;
using grpc::ServerAsyncWriter;
using grpc::ServerCompletionQueue;
using grpc::ServerContext;
@@ -44,7 +45,8 @@ public:
enum CallState
{
CREATE_HANDLER,
INIT_REQUEST,
INIT_REQUEST_STARTED,
INIT_REQUEST_COMPLETED,
PROCESS_REQUEST,
FINISH_REQUEST
};
@@ -56,9 +58,10 @@ public:
virtual QString name() const = 0;
virtual RiaAbstractGrpcCallback* createNewFromThis() const = 0;
virtual void createRequestHandler(ServerCompletionQueue* completionQueue) = 0;
virtual void initRequest() = 0;
virtual void processRequest() = 0;
virtual void finishRequest() {}
virtual void onInitRequestStarted() {}
virtual void onInitRequestCompleted() = 0;
virtual void onProcessRequest() = 0;
virtual void onFinishRequest() {}
inline CallState callState() const;
inline const Status& status() const;
@@ -114,8 +117,8 @@ public:
RiaAbstractGrpcCallback* createNewFromThis() const override;
void createRequestHandler(ServerCompletionQueue* completionQueue) override;
void initRequest() override;
void processRequest() override;
void onInitRequestCompleted() override;
void onProcessRequest() override;
protected:
virtual QString methodType() const;
@@ -133,7 +136,7 @@ private:
//
// The streaming callback needs a state handler for setting up and maintaining order.
//
// A fully functional stream handler needs to implement the following methods:
// A fully functional state handler needs to implement the following methods:
// 1. Default Constructor
// 2. grpc::Status init(const grpc::Message* request)
//
@@ -152,8 +155,8 @@ public:
RiaAbstractGrpcCallback* createNewFromThis() const override;
void createRequestHandler(ServerCompletionQueue* completionQueue) override;
void initRequest() override;
void processRequest() override;
void onInitRequestCompleted() override;
void onProcessRequest() override;
protected:
virtual QString methodType() const;
@@ -166,4 +169,46 @@ private:
std::unique_ptr<StateHandlerT> m_stateHandler;
};
//==================================================================================================
//
// Templated client *streaming* gRPC-callback calling service implementation callbacks
//
// The streaming callback needs a state handler for setting up and maintaining order.
//
// A fully functional state handler needs to implement the following methods:
// 1. Default Constructor
// 2. grpc::Status init(const grpc::Message* request)
// 3. void finish() any updates required after completion
//
//==================================================================================================
template<typename ServiceT, typename RequestT, typename ReplyT, typename StateHandlerT>
class RiaGrpcClientStreamCallback : public RiaGrpcRequestCallback<ServiceT, RequestT, ReplyT>
{
public:
typedef ServerAsyncReader<ReplyT, RequestT> RequestReaderT;
typedef std::function<Status(ServiceT&, ServerContext*, const RequestT*, ReplyT*, StateHandlerT*)> MethodImplT;
typedef std::function<
void(ServiceT&, ServerContext*, RequestReaderT*, CompletionQueue*, ServerCompletionQueue*, void*)>
MethodRequestT;
RiaGrpcClientStreamCallback(ServiceT* service, MethodImplT methodImpl, MethodRequestT methodRequest, StateHandlerT* stateHandler);
RiaAbstractGrpcCallback* createNewFromThis() const override;
void createRequestHandler(ServerCompletionQueue* completionQueue) override;
void onInitRequestStarted() override;
void onInitRequestCompleted() override;
void onProcessRequest() override;
void onFinishRequest() override;
protected:
virtual QString methodType() const;
private:
ServerContext m_context;
RequestReaderT m_reader;
MethodImplT m_methodImpl;
MethodRequestT m_methodRequest;
std::unique_ptr<StateHandlerT> m_stateHandler;
};
#include "RiaGrpcCallbacks.inl"