diff options
Diffstat (limited to 'include/grpc++/impl/codegen')
19 files changed, 635 insertions, 399 deletions
diff --git a/include/grpc++/impl/codegen/async_stream.h b/include/grpc++/impl/codegen/async_stream.h index e60572fc93..4476033463 100644 --- a/include/grpc++/impl/codegen/async_stream.h +++ b/include/grpc++/impl/codegen/async_stream.h @@ -30,6 +30,7 @@ namespace grpc { class CompletionQueue; +namespace internal { /// Common interface for all client side asynchronous streaming. class ClientAsyncStreamingInterface { public: @@ -151,15 +152,16 @@ class AsyncWriterInterface { } }; +} // namespace internal + template <class R> -class ClientAsyncReaderInterface : public ClientAsyncStreamingInterface, - public AsyncReaderInterface<R> {}; +class ClientAsyncReaderInterface + : public internal::ClientAsyncStreamingInterface, + public internal::AsyncReaderInterface<R> {}; -/// Async client-side API for doing server-streaming RPCs, -/// where the incoming message stream coming from the server has -/// messages of type \a R. +namespace internal { template <class R> -class ClientAsyncReader final : public ClientAsyncReaderInterface<R> { +class ClientAsyncReaderFactory { public: /// Create a stream object. /// Write the first request out if \a start is set. @@ -169,16 +171,25 @@ class ClientAsyncReader final : public ClientAsyncReaderInterface<R> { /// Note that \a context will be used to fill in custom initial metadata /// used to send to the server when starting the call. template <class W> - static ClientAsyncReader* Create(ChannelInterface* channel, - CompletionQueue* cq, const RpcMethod& method, - ClientContext* context, const W& request, - bool start, void* tag) { - Call call = channel->CreateCall(method, context, cq); + static ClientAsyncReader<R>* Create(ChannelInterface* channel, + CompletionQueue* cq, + const ::grpc::internal::RpcMethod& method, + ClientContext* context, const W& request, + bool start, void* tag) { + ::grpc::internal::Call call = channel->CreateCall(method, context, cq); return new (g_core_codegen_interface->grpc_call_arena_alloc( - call.call(), sizeof(ClientAsyncReader))) - ClientAsyncReader(call, context, request, start, tag); + call.call(), sizeof(ClientAsyncReader<R>))) + ClientAsyncReader<R>(call, context, request, start, tag); } +}; +} // namespace internal +/// Async client-side API for doing server-streaming RPCs, +/// where the incoming message stream coming from the server has +/// messages of type \a R. +template <class R> +class ClientAsyncReader final : public ClientAsyncReaderInterface<R> { + public: // always allocated against a call arena, no memory free required static void operator delete(void* ptr, std::size_t size) { assert(size == sizeof(ClientAsyncReader)); @@ -233,9 +244,10 @@ class ClientAsyncReader final : public ClientAsyncReaderInterface<R> { } private: + friend class internal::ClientAsyncReaderFactory<R>; template <class W> - ClientAsyncReader(Call call, ClientContext* context, const W& request, - bool start, void* tag) + ClientAsyncReader(::grpc::internal::Call call, ClientContext* context, + const W& request, bool start, void* tag) : context_(context), call_(call), started_(start) { // TODO(ctiller): don't assert GPR_CODEGEN_ASSERT(init_ops_.SendMessage(request).ok()); @@ -255,19 +267,27 @@ class ClientAsyncReader final : public ClientAsyncReaderInterface<R> { } ClientContext* context_; - Call call_; + ::grpc::internal::Call call_; bool started_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> init_ops_; - CallOpSet<CallOpRecvInitialMetadata> meta_ops_; - CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>> read_ops_; - CallOpSet<CallOpRecvInitialMetadata, CallOpClientRecvStatus> finish_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + meta_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpRecvMessage<R>> + read_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpClientRecvStatus> + finish_ops_; }; /// Common interface for client side asynchronous writing. template <class W> -class ClientAsyncWriterInterface : public ClientAsyncStreamingInterface, - public AsyncWriterInterface<W> { +class ClientAsyncWriterInterface + : public internal::ClientAsyncStreamingInterface, + public internal::AsyncWriterInterface<W> { public: /// Signal the client is done with the writes (half-close the client stream). /// Thread-safe with respect to \a AsyncReaderInterface::Read @@ -276,11 +296,9 @@ class ClientAsyncWriterInterface : public ClientAsyncStreamingInterface, virtual void WritesDone(void* tag) = 0; }; -/// Async API on the client side for doing client-streaming RPCs, -/// where the outgoing message stream going to the server contains -/// messages of type \a W. +namespace internal { template <class W> -class ClientAsyncWriter final : public ClientAsyncWriterInterface<W> { +class ClientAsyncWriterFactory { public: /// Create a stream object. /// Start the RPC if \a start is set @@ -294,16 +312,25 @@ class ClientAsyncWriter final : public ClientAsyncWriterInterface<W> { /// message from the server upon a successful call to the \a Finish /// method of this instance. template <class R> - static ClientAsyncWriter* Create(ChannelInterface* channel, - CompletionQueue* cq, const RpcMethod& method, - ClientContext* context, R* response, - bool start, void* tag) { - Call call = channel->CreateCall(method, context, cq); + static ClientAsyncWriter<W>* Create(ChannelInterface* channel, + CompletionQueue* cq, + const ::grpc::internal::RpcMethod& method, + ClientContext* context, R* response, + bool start, void* tag) { + ::grpc::internal::Call call = channel->CreateCall(method, context, cq); return new (g_core_codegen_interface->grpc_call_arena_alloc( - call.call(), sizeof(ClientAsyncWriter))) - ClientAsyncWriter(call, context, response, start, tag); + call.call(), sizeof(ClientAsyncWriter<W>))) + ClientAsyncWriter<W>(call, context, response, start, tag); } +}; +} // namespace internal +/// Async API on the client side for doing client-streaming RPCs, +/// where the outgoing message stream going to the server contains +/// messages of type \a W. +template <class W> +class ClientAsyncWriter final : public ClientAsyncWriterInterface<W> { + public: // always allocated against a call arena, no memory free required static void operator delete(void* ptr, std::size_t size) { assert(size == sizeof(ClientAsyncWriter)); @@ -376,9 +403,10 @@ class ClientAsyncWriter final : public ClientAsyncWriterInterface<W> { } private: + friend class internal::ClientAsyncWriterFactory<W>; template <class R> - ClientAsyncWriter(Call call, ClientContext* context, R* response, bool start, - void* tag) + ClientAsyncWriter(::grpc::internal::Call call, ClientContext* context, + R* response, bool start, void* tag) : context_(context), call_(call), started_(start) { finish_ops_.RecvMessage(response); finish_ops_.AllowNoMessage(); @@ -401,13 +429,17 @@ class ClientAsyncWriter final : public ClientAsyncWriterInterface<W> { } ClientContext* context_; - Call call_; + ::grpc::internal::Call call_; bool started_; - CallOpSet<CallOpRecvInitialMetadata> meta_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + meta_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> write_ops_; - CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage, - CallOpClientRecvStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpGenericRecvMessage, + ::grpc::internal::CallOpClientRecvStatus> finish_ops_; }; @@ -415,9 +447,10 @@ class ClientAsyncWriter final : public ClientAsyncWriterInterface<W> { /// where the client-to-server message stream has messages of type \a W, /// and the server-to-client message stream has messages of type \a R. template <class W, class R> -class ClientAsyncReaderWriterInterface : public ClientAsyncStreamingInterface, - public AsyncWriterInterface<W>, - public AsyncReaderInterface<R> { +class ClientAsyncReaderWriterInterface + : public internal::ClientAsyncStreamingInterface, + public internal::AsyncWriterInterface<W>, + public internal::AsyncReaderInterface<R> { public: /// Signal the client is done with the writes (half-close the client stream). /// Thread-safe with respect to \a AsyncReaderInterface::Read @@ -426,13 +459,9 @@ class ClientAsyncReaderWriterInterface : public ClientAsyncStreamingInterface, virtual void WritesDone(void* tag) = 0; }; -/// Async client-side interface for bi-directional streaming, -/// where the outgoing message stream going to the server -/// has messages of type \a W, and the incoming message stream coming -/// from the server has messages of type \a R. +namespace internal { template <class W, class R> -class ClientAsyncReaderWriter final - : public ClientAsyncReaderWriterInterface<W, R> { +class ClientAsyncReaderWriterFactory { public: /// Create a stream object. /// Start the RPC request if \a start is set. @@ -441,18 +470,27 @@ class ClientAsyncReaderWriter final /// nullptr and the actual call must be initiated by StartCall /// Note that \a context will be used to fill in custom initial metadata /// used to send to the server when starting the call. - static ClientAsyncReaderWriter* Create(ChannelInterface* channel, - CompletionQueue* cq, - const RpcMethod& method, - ClientContext* context, bool start, - void* tag) { - Call call = channel->CreateCall(method, context, cq); + static ClientAsyncReaderWriter<W, R>* Create( + ChannelInterface* channel, CompletionQueue* cq, + const ::grpc::internal::RpcMethod& method, ClientContext* context, + bool start, void* tag) { + ::grpc::internal::Call call = channel->CreateCall(method, context, cq); return new (g_core_codegen_interface->grpc_call_arena_alloc( - call.call(), sizeof(ClientAsyncReaderWriter))) - ClientAsyncReaderWriter(call, context, start, tag); + call.call(), sizeof(ClientAsyncReaderWriter<W, R>))) + ClientAsyncReaderWriter<W, R>(call, context, start, tag); } +}; +} // namespace internal +/// Async client-side interface for bi-directional streaming, +/// where the outgoing message stream going to the server +/// has messages of type \a W, and the incoming message stream coming +/// from the server has messages of type \a R. +template <class W, class R> +class ClientAsyncReaderWriter final + : public ClientAsyncReaderWriterInterface<W, R> { + public: // always allocated against a call arena, no memory free required static void operator delete(void* ptr, std::size_t size) { assert(size == sizeof(ClientAsyncReaderWriter)); @@ -532,8 +570,9 @@ class ClientAsyncReaderWriter final } private: - ClientAsyncReaderWriter(Call call, ClientContext* context, bool start, - void* tag) + friend class internal::ClientAsyncReaderWriterFactory<W, R>; + ClientAsyncReaderWriter(::grpc::internal::Call call, ClientContext* context, + bool start, void* tag) : context_(context), call_(call), started_(start) { if (start) { StartCallInternal(tag); @@ -554,18 +593,26 @@ class ClientAsyncReaderWriter final } ClientContext* context_; - Call call_; + ::grpc::internal::Call call_; bool started_; - CallOpSet<CallOpRecvInitialMetadata> meta_ops_; - CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>> read_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + meta_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpRecvMessage<R>> + read_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> write_ops_; - CallOpSet<CallOpRecvInitialMetadata, CallOpClientRecvStatus> finish_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpClientRecvStatus> + finish_ops_; }; template <class W, class R> -class ServerAsyncReaderInterface : public ServerAsyncStreamingInterface, - public AsyncReaderInterface<R> { +class ServerAsyncReaderInterface + : public internal::ServerAsyncStreamingInterface, + public internal::AsyncReaderInterface<R> { public: /// Indicate that the stream is to be finished with a certain status code /// and also send out \a msg response to the client. @@ -692,20 +739,23 @@ class ServerAsyncReader final : public ServerAsyncReaderInterface<W, R> { } private: - void BindCall(Call* call) override { call_ = *call; } + void BindCall(::grpc::internal::Call* call) override { call_ = *call; } - Call call_; + ::grpc::internal::Call call_; ServerContext* ctx_; - CallOpSet<CallOpSendInitialMetadata> meta_ops_; - CallOpSet<CallOpRecvMessage<R>> read_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpServerSendStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata> + meta_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvMessage<R>> read_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpServerSendStatus> finish_ops_; }; template <class W> -class ServerAsyncWriterInterface : public ServerAsyncStreamingInterface, - public AsyncWriterInterface<W> { +class ServerAsyncWriterInterface + : public internal::ServerAsyncStreamingInterface, + public internal::AsyncWriterInterface<W> { public: /// Indicate that the stream is to be finished with a certain status code. /// Request notification for when the server has sent the appropriate @@ -823,7 +873,7 @@ class ServerAsyncWriter final : public ServerAsyncWriterInterface<W> { } private: - void BindCall(Call* call) override { call_ = *call; } + void BindCall(::grpc::internal::Call* call) override { call_ = *call; } template <class T> void EnsureInitialMetadataSent(T* ops) { @@ -837,20 +887,25 @@ class ServerAsyncWriter final : public ServerAsyncWriterInterface<W> { } } - Call call_; + ::grpc::internal::Call call_; ServerContext* ctx_; - CallOpSet<CallOpSendInitialMetadata> meta_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpServerSendStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata> + meta_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpServerSendStatus> write_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> finish_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpServerSendStatus> + finish_ops_; }; /// Server-side interface for asynchronous bi-directional streaming. template <class W, class R> -class ServerAsyncReaderWriterInterface : public ServerAsyncStreamingInterface, - public AsyncWriterInterface<W>, - public AsyncReaderInterface<R> { +class ServerAsyncReaderWriterInterface + : public internal::ServerAsyncStreamingInterface, + public internal::AsyncWriterInterface<W>, + public internal::AsyncReaderInterface<R> { public: /// Indicate that the stream is to be finished with a certain status code. /// Request notification for when the server has sent the appropriate @@ -980,7 +1035,7 @@ class ServerAsyncReaderWriter final private: friend class ::grpc::Server; - void BindCall(Call* call) override { call_ = *call; } + void BindCall(::grpc::internal::Call* call) override { call_ = *call; } template <class T> void EnsureInitialMetadataSent(T* ops) { @@ -994,14 +1049,18 @@ class ServerAsyncReaderWriter final } } - Call call_; + ::grpc::internal::Call call_; ServerContext* ctx_; - CallOpSet<CallOpSendInitialMetadata> meta_ops_; - CallOpSet<CallOpRecvMessage<R>> read_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpServerSendStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata> + meta_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvMessage<R>> read_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpServerSendStatus> write_ops_; - CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> finish_ops_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpServerSendStatus> + finish_ops_; }; } // namespace grpc diff --git a/include/grpc++/impl/codegen/async_unary_call.h b/include/grpc++/impl/codegen/async_unary_call.h index e472f04f56..6d51c78d5c 100644 --- a/include/grpc++/impl/codegen/async_unary_call.h +++ b/include/grpc++/impl/codegen/async_unary_call.h @@ -69,11 +69,9 @@ class ClientAsyncResponseReaderInterface { virtual void Finish(R* msg, Status* status, void* tag) = 0; }; -/// Async API for client-side unary RPCs, where the message response -/// received from the server is of type \a R. +namespace internal { template <class R> -class ClientAsyncResponseReader final - : public ClientAsyncResponseReaderInterface<R> { +class ClientAsyncResponseReaderFactory { public: /// Start a call and write the request out if \a start is set. /// \a tag will be notified on \a cq when the call has been started (i.e. @@ -82,17 +80,24 @@ class ClientAsyncResponseReader final /// Note that \a context will be used to fill in custom initial metadata /// used to send to the server when starting the call. template <class W> - static ClientAsyncResponseReader* Create(ChannelInterface* channel, - CompletionQueue* cq, - const RpcMethod& method, - ClientContext* context, - const W& request, bool start) { - Call call = channel->CreateCall(method, context, cq); + static ClientAsyncResponseReader<R>* Create( + ChannelInterface* channel, CompletionQueue* cq, + const ::grpc::internal::RpcMethod& method, ClientContext* context, + const W& request, bool start) { + ::grpc::internal::Call call = channel->CreateCall(method, context, cq); return new (g_core_codegen_interface->grpc_call_arena_alloc( - call.call(), sizeof(ClientAsyncResponseReader))) - ClientAsyncResponseReader(call, context, request, start); + call.call(), sizeof(ClientAsyncResponseReader<R>))) + ClientAsyncResponseReader<R>(call, context, request, start); } +}; +} // namespace internal +/// Async API for client-side unary RPCs, where the message response +/// received from the server is of type \a R. +template <class R> +class ClientAsyncResponseReader final + : public ClientAsyncResponseReaderInterface<R> { + public: // always allocated against a call arena, no memory free required static void operator delete(void* ptr, std::size_t size) { assert(size == sizeof(ClientAsyncResponseReader)); @@ -137,13 +142,14 @@ class ClientAsyncResponseReader final } private: + friend class internal::ClientAsyncResponseReaderFactory<R>; ClientContext* const context_; - Call call_; + ::grpc::internal::Call call_; bool started_; template <class W> - ClientAsyncResponseReader(Call call, ClientContext* context, const W& request, - bool start) + ClientAsyncResponseReader(::grpc::internal::Call call, ClientContext* context, + const W& request, bool start) : context_(context), call_(call), started_(start) { // Bind the metadata at time of StartCallInternal but set up the rest here // TODO(ctiller): don't assert @@ -162,19 +168,23 @@ class ClientAsyncResponseReader final static void* operator new(std::size_t size); static void* operator new(std::size_t size, void* p) { return p; } - SneakyCallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpClientSendClose> + ::grpc::internal::SneakyCallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> init_buf; - CallOpSet<CallOpRecvInitialMetadata> meta_buf; - CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>, - CallOpClientRecvStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + meta_buf; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpRecvMessage<R>, + ::grpc::internal::CallOpClientRecvStatus> finish_buf; }; /// Async server-side API for handling unary calls, where the single /// response message sent to the client is of type \a W. template <class W> -class ServerAsyncResponseWriter final : public ServerAsyncStreamingInterface { +class ServerAsyncResponseWriter final + : public internal::ServerAsyncStreamingInterface { public: explicit ServerAsyncResponseWriter(ServerContext* ctx) : call_(nullptr, nullptr, nullptr), ctx_(ctx) {} @@ -262,13 +272,15 @@ class ServerAsyncResponseWriter final : public ServerAsyncStreamingInterface { } private: - void BindCall(Call* call) override { call_ = *call; } + void BindCall(::grpc::internal::Call* call) override { call_ = *call; } - Call call_; + ::grpc::internal::Call call_; ServerContext* ctx_; - CallOpSet<CallOpSendInitialMetadata> meta_buf_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpServerSendStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata> + meta_buf_; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpServerSendStatus> finish_buf_; }; diff --git a/include/grpc++/impl/codegen/byte_buffer.h b/include/grpc++/impl/codegen/byte_buffer.h index 57d731be18..fe73ce7a83 100644 --- a/include/grpc++/impl/codegen/byte_buffer.h +++ b/include/grpc++/impl/codegen/byte_buffer.h @@ -31,18 +31,19 @@ namespace grpc { +namespace internal { +class CallOpSendMessage; template <class R> class CallOpRecvMessage; +class CallOpGenericRecvMessage; class MethodHandler; template <class ServiceType, class RequestType, class ResponseType> class RpcMethodHandler; template <class ServiceType, class RequestType, class ResponseType> class ServerStreamingHandler; -namespace CallOpGenericRecvMessageHelper { template <class R> class DeserializeFuncType; -} // namespace CallOpGenericRecvMessageHelper - +} // namespace internal /// A sequence of bytes. class ByteBuffer final { public: @@ -97,17 +98,17 @@ class ByteBuffer final { private: friend class SerializationTraits<ByteBuffer, void>; - friend class CallOpSendMessage; + friend class internal::CallOpSendMessage; template <class R> - friend class CallOpRecvMessage; - friend class CallOpGenericRecvMessage; - friend class MethodHandler; + friend class internal::CallOpRecvMessage; + friend class internal::CallOpGenericRecvMessage; + friend class internal::MethodHandler; template <class ServiceType, class RequestType, class ResponseType> - friend class RpcMethodHandler; + friend class internal::RpcMethodHandler; template <class ServiceType, class RequestType, class ResponseType> - friend class ServerStreamingHandler; + friend class internal::ServerStreamingHandler; template <class R> - friend class CallOpGenericRecvMessageHelper::DeserializeFuncType; + friend class internal::DeserializeFuncType; grpc_byte_buffer* buffer_; diff --git a/include/grpc++/impl/codegen/call.h b/include/grpc++/impl/codegen/call.h index 06f107fa83..1a988297dc 100644 --- a/include/grpc++/impl/codegen/call.h +++ b/include/grpc++/impl/codegen/call.h @@ -43,11 +43,13 @@ namespace grpc { class ByteBuffer; -class Call; -class CallHook; class CompletionQueue; extern CoreCodegenInterface* g_core_codegen_interface; +namespace internal { +class Call; +class CallHook; + const char kBinaryErrorDetailsKey[] = "grpc-status-details-bin"; // TODO(yangg) if the map is changed before we send, the pointers will be a @@ -75,6 +77,7 @@ inline grpc_metadata* FillMetadataArray( } return metadata_array; } +} // namespace internal /// Per-message write options. class WriteOptions { @@ -199,6 +202,7 @@ class WriteOptions { bool last_message_; }; +namespace internal { /// Default argument for CallOpSet. I is unused by the class, but can be /// used for generating multiple names for the same thing. template <int I> @@ -387,7 +391,6 @@ class CallOpRecvMessage { bool allow_not_getting_message_; }; -namespace CallOpGenericRecvMessageHelper { class DeserializeFunc { public: virtual Status Deserialize(ByteBuffer* buf) = 0; @@ -407,7 +410,6 @@ class DeserializeFuncType final : public DeserializeFunc { private: R* message_; // Not a managed pointer because management is external to this }; -} // namespace CallOpGenericRecvMessageHelper class CallOpGenericRecvMessage { public: @@ -418,8 +420,7 @@ class CallOpGenericRecvMessage { void RecvMessage(R* message) { // Use an explicit base class pointer to avoid resolution error in the // following unique_ptr::reset for some old implementations. - CallOpGenericRecvMessageHelper::DeserializeFunc* func = - new CallOpGenericRecvMessageHelper::DeserializeFuncType<R>(message); + DeserializeFunc* func = new DeserializeFuncType<R>(message); deserialize_.reset(func); } @@ -459,7 +460,7 @@ class CallOpGenericRecvMessage { } private: - std::unique_ptr<CallOpGenericRecvMessageHelper::DeserializeFunc> deserialize_; + std::unique_ptr<DeserializeFunc> deserialize_; ByteBuffer recv_buf_; bool allow_not_getting_message_; }; @@ -714,7 +715,7 @@ class Call final { grpc_call* call_; int max_receive_message_size_; }; - +} // namespace internal } // namespace grpc #endif // GRPCXX_IMPL_CODEGEN_CALL_H diff --git a/include/grpc++/impl/codegen/call_hook.h b/include/grpc++/impl/codegen/call_hook.h index d026cc8b58..44e9de220e 100644 --- a/include/grpc++/impl/codegen/call_hook.h +++ b/include/grpc++/impl/codegen/call_hook.h @@ -21,6 +21,7 @@ namespace grpc { +namespace internal { class CallOpSetInterface; class Call; @@ -31,6 +32,7 @@ class CallHook { virtual ~CallHook() {} virtual void PerformOpsOnCall(CallOpSetInterface* ops, Call* call) = 0; }; +} // namespace internal } // namespace grpc diff --git a/include/grpc++/impl/codegen/channel_interface.h b/include/grpc++/impl/codegen/channel_interface.h index 1b7590bf0c..769f853974 100644 --- a/include/grpc++/impl/codegen/channel_interface.h +++ b/include/grpc++/impl/codegen/channel_interface.h @@ -24,10 +24,8 @@ #include <grpc/impl/codegen/connectivity_state.h> namespace grpc { -class Call; +class ChannelInterface; class ClientContext; -class RpcMethod; -class CallOpSetInterface; class CompletionQueue; template <class R> @@ -36,14 +34,22 @@ template <class W> class ClientWriter; template <class W, class R> class ClientReaderWriter; + +namespace internal { +class Call; +class CallOpSetInterface; +class RpcMethod; +template <class InputMessage, class OutputMessage> +class BlockingUnaryCallImpl; template <class R> -class ClientAsyncReader; +class ClientAsyncReaderFactory; template <class W> -class ClientAsyncWriter; +class ClientAsyncWriterFactory; template <class W, class R> -class ClientAsyncReaderWriter; +class ClientAsyncReaderWriterFactory; template <class R> -class ClientAsyncResponseReader; +class ClientAsyncResponseReaderFactory; +} // namespace internal /// Codegen interface for \a grpc::Channel. class ChannelInterface { @@ -88,23 +94,21 @@ class ChannelInterface { template <class W, class R> friend class ::grpc::ClientReaderWriter; template <class R> - friend class ::grpc::ClientAsyncReader; + friend class ::grpc::internal::ClientAsyncReaderFactory; template <class W> - friend class ::grpc::ClientAsyncWriter; + friend class ::grpc::internal::ClientAsyncWriterFactory; template <class W, class R> - friend class ::grpc::ClientAsyncReaderWriter; + friend class ::grpc::internal::ClientAsyncReaderWriterFactory; template <class R> - friend class ::grpc::ClientAsyncResponseReader; + friend class ::grpc::internal::ClientAsyncResponseReaderFactory; template <class InputMessage, class OutputMessage> - friend Status BlockingUnaryCall(ChannelInterface* channel, - const RpcMethod& method, - ClientContext* context, - const InputMessage& request, - OutputMessage* result); - friend class ::grpc::RpcMethod; - virtual Call CreateCall(const RpcMethod& method, ClientContext* context, - CompletionQueue* cq) = 0; - virtual void PerformOpsOnCall(CallOpSetInterface* ops, Call* call) = 0; + friend class ::grpc::internal::BlockingUnaryCallImpl; + friend class ::grpc::internal::RpcMethod; + virtual internal::Call CreateCall(const internal::RpcMethod& method, + ClientContext* context, + CompletionQueue* cq) = 0; + virtual void PerformOpsOnCall(internal::CallOpSetInterface* ops, + internal::Call* call) = 0; virtual void* RegisterMethod(const char* method) = 0; virtual void NotifyOnStateChangeImpl(grpc_connectivity_state last_observed, gpr_timespec deadline, @@ -112,7 +116,6 @@ class ChannelInterface { virtual bool WaitForStateChangeImpl(grpc_connectivity_state last_observed, gpr_timespec deadline) = 0; }; - } // namespace grpc #endif // GRPCXX_IMPL_CODEGEN_CHANNEL_INTERFACE_H diff --git a/include/grpc++/impl/codegen/client_context.h b/include/grpc++/impl/codegen/client_context.h index 6d7e13bbf2..22b581cbc5 100644 --- a/include/grpc++/impl/codegen/client_context.h +++ b/include/grpc++/impl/codegen/client_context.h @@ -60,7 +60,16 @@ class Channel; class ChannelInterface; class CompletionQueue; class CallCredentials; +class ClientContext; + +namespace internal { class RpcMethod; +class CallOpClientRecvStatus; +class CallOpRecvInitialMetadata; +template <class InputMessage, class OutputMessage> +class BlockingUnaryCallImpl; +} // namespace internal + template <class R> class ClientReader; template <class W> @@ -345,8 +354,8 @@ class ClientContext { ClientContext& operator=(const ClientContext&); friend class ::grpc::testing::InteropClientContextInspector; - friend class CallOpClientRecvStatus; - friend class CallOpRecvInitialMetadata; + friend class ::grpc::internal::CallOpClientRecvStatus; + friend class ::grpc::internal::CallOpRecvInitialMetadata; friend class Channel; template <class R> friend class ::grpc::ClientReader; @@ -363,11 +372,7 @@ class ClientContext { template <class R> friend class ::grpc::ClientAsyncResponseReader; template <class InputMessage, class OutputMessage> - friend Status BlockingUnaryCall(ChannelInterface* channel, - const RpcMethod& method, - ClientContext* context, - const InputMessage& request, - OutputMessage* result); + friend class ::grpc::internal::BlockingUnaryCallImpl; grpc_call* call() const { return call_; } void set_call(grpc_call* call, const std::shared_ptr<Channel>& channel); @@ -399,8 +404,8 @@ class ClientContext { mutable std::shared_ptr<const AuthContext> auth_context_; struct census_context* census_context_; std::multimap<grpc::string, grpc::string> send_initial_metadata_; - MetadataMap recv_initial_metadata_; - MetadataMap trailing_metadata_; + internal::MetadataMap recv_initial_metadata_; + internal::MetadataMap trailing_metadata_; grpc_call* propagate_from_call_; PropagationOptions propagation_options_; diff --git a/include/grpc++/impl/codegen/client_unary_call.h b/include/grpc++/impl/codegen/client_unary_call.h index 7c540fade9..170c562cf3 100644 --- a/include/grpc++/impl/codegen/client_unary_call.h +++ b/include/grpc++/impl/codegen/client_unary_call.h @@ -30,43 +30,60 @@ namespace grpc { class Channel; class ClientContext; class CompletionQueue; -class RpcMethod; +namespace internal { +class RpcMethod; /// Wrapper that performs a blocking unary call template <class InputMessage, class OutputMessage> Status BlockingUnaryCall(ChannelInterface* channel, const RpcMethod& method, ClientContext* context, const InputMessage& request, OutputMessage* result) { - CompletionQueue cq(grpc_completion_queue_attributes{ - GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, - GRPC_CQ_DEFAULT_POLLING}); // Pluckable completion queue - Call call(channel->CreateCall(method, context, &cq)); - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpRecvInitialMetadata, CallOpRecvMessage<OutputMessage>, - CallOpClientSendClose, CallOpClientRecvStatus> - ops; - Status status = ops.SendMessage(request); - if (!status.ok()) { - return status; - } - ops.SendInitialMetadata(context->send_initial_metadata_, - context->initial_metadata_flags()); - ops.RecvInitialMetadata(context); - ops.RecvMessage(result); - ops.ClientSendClose(); - ops.ClientRecvStatus(context, &status); - call.PerformOps(&ops); - if (cq.Pluck(&ops)) { - if (!ops.got_message && status.ok()) { - return Status(StatusCode::UNIMPLEMENTED, - "No message returned for unary request"); + return BlockingUnaryCallImpl<InputMessage, OutputMessage>( + channel, method, context, request, result) + .status(); +}; + +template <class InputMessage, class OutputMessage> +class BlockingUnaryCallImpl { + public: + BlockingUnaryCallImpl(ChannelInterface* channel, const RpcMethod& method, + ClientContext* context, const InputMessage& request, + OutputMessage* result) { + CompletionQueue cq(grpc_completion_queue_attributes{ + GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, + GRPC_CQ_DEFAULT_POLLING}); // Pluckable completion queue + Call call(channel->CreateCall(method, context, &cq)); + CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, + CallOpRecvInitialMetadata, CallOpRecvMessage<OutputMessage>, + CallOpClientSendClose, CallOpClientRecvStatus> + ops; + status_ = ops.SendMessage(request); + if (!status_.ok()) { + return; + } + ops.SendInitialMetadata(context->send_initial_metadata_, + context->initial_metadata_flags()); + ops.RecvInitialMetadata(context); + ops.RecvMessage(result); + ops.ClientSendClose(); + ops.ClientRecvStatus(context, &status_); + call.PerformOps(&ops); + if (cq.Pluck(&ops)) { + if (!ops.got_message && status_.ok()) { + status_ = Status(StatusCode::UNIMPLEMENTED, + "No message returned for unary request"); + } + } else { + GPR_CODEGEN_ASSERT(!status_.ok()); } - } else { - GPR_CODEGEN_ASSERT(!status.ok()); } - return status; -} + Status status() { return status_; } + + private: + Status status_; +}; +} // namespace internal } // namespace grpc #endif // GRPCXX_IMPL_CODEGEN_CLIENT_UNARY_CALL_H diff --git a/include/grpc++/impl/codegen/completion_queue.h b/include/grpc++/impl/codegen/completion_queue.h index ca757e2a9c..14de30a62e 100644 --- a/include/grpc++/impl/codegen/completion_queue.h +++ b/include/grpc++/impl/codegen/completion_queue.h @@ -56,7 +56,19 @@ class ServerWriter; namespace internal { template <class W, class R> class ServerReaderWriterBody; -} +} // namespace internal + +class Channel; +class ChannelInterface; +class ClientContext; +class CompletionQueue; +class Server; +class ServerBuilder; +class ServerContext; + +namespace internal { +class CompletionQueueTag; +class RpcMethod; template <class ServiceType, class RequestType, class ResponseType> class RpcMethodHandler; template <class ServiceType, class RequestType, class ResponseType> @@ -66,16 +78,11 @@ class ServerStreamingHandler; template <class ServiceType, class RequestType, class ResponseType> class BidiStreamingHandler; class UnknownMethodHandler; - -class Channel; -class ChannelInterface; -class ClientContext; -class CompletionQueueTag; -class CompletionQueue; -class RpcMethod; -class Server; -class ServerBuilder; -class ServerContext; +template <class Streamer, bool WriteNeeded> +class TemplatedBidiStreamingHandler; +template <class InputMessage, class OutputMessage> +class BlockingUnaryCallImpl; +} // namespace internal extern CoreCodegenInterface* g_core_codegen_interface; @@ -109,6 +116,30 @@ class CompletionQueue : private GrpcLibraryCodegen { TIMEOUT ///< deadline was reached. }; + /// EXPERIMENTAL + /// First executes \a F, then reads from the queue, blocking up to + /// \a deadline (or the queue's shutdown). + /// Both \a tag and \a ok are updated upon success (if an event is available + /// within the \a deadline). A \a tag points to an arbitrary location usually + /// employed to uniquely identify an event. + /// + /// \param F[in] Function to execute before calling AsyncNext on this queue. + /// \param tag[out] Upon sucess, updated to point to the event's tag. + /// \param ok[out] Upon sucess, true if read a regular event, false otherwise. + /// \param deadline[in] How long to block in wait for an event. + /// + /// \return The type of event read. + template <typename T, typename F> + NextStatus DoThenAsyncNext(F&& f, void** tag, bool* ok, const T& deadline) { + CompletionQueueTLSCache cache = CompletionQueueTLSCache(this); + f(); + if (cache.Flush(tag, ok)) { + return GOT_EVENT; + } else { + return AsyncNext(tag, ok, deadline); + } + } + /// Read from the queue, blocking up to \a deadline (or the queue's shutdown). /// Both \a tag and \a ok are updated upon success (if an event is available /// within the \a deadline). A \a tag points to an arbitrary location usually @@ -196,28 +227,39 @@ class CompletionQueue : private GrpcLibraryCodegen { template <class W, class R> friend class ::grpc::internal::ServerReaderWriterBody; template <class ServiceType, class RequestType, class ResponseType> - friend class RpcMethodHandler; + friend class ::grpc::internal::RpcMethodHandler; template <class ServiceType, class RequestType, class ResponseType> - friend class ClientStreamingHandler; + friend class ::grpc::internal::ClientStreamingHandler; template <class ServiceType, class RequestType, class ResponseType> - friend class ServerStreamingHandler; + friend class ::grpc::internal::ServerStreamingHandler; template <class Streamer, bool WriteNeeded> - friend class TemplatedBidiStreamingHandler; - friend class UnknownMethodHandler; + friend class ::grpc::internal::TemplatedBidiStreamingHandler; + friend class ::grpc::internal::UnknownMethodHandler; friend class ::grpc::Server; friend class ::grpc::ServerContext; template <class InputMessage, class OutputMessage> - friend Status BlockingUnaryCall(ChannelInterface* channel, - const RpcMethod& method, - ClientContext* context, - const InputMessage& request, - OutputMessage* result); + friend class ::grpc::internal::BlockingUnaryCallImpl; + + /// EXPERIMENTAL + /// Creates a Thread Local cache to store the first event + /// On this completion queue queued from this thread. Once + /// initialized, it must be flushed on the same thread. + class CompletionQueueTLSCache { + public: + CompletionQueueTLSCache(CompletionQueue* cq); + ~CompletionQueueTLSCache(); + bool Flush(void** tag, bool* ok); + + private: + CompletionQueue* cq_; + bool flushed_; + }; NextStatus AsyncNextInternal(void** tag, bool* ok, gpr_timespec deadline); /// Wraps \a grpc_completion_queue_pluck. /// \warning Must not be mixed with calls to \a Next. - bool Pluck(CompletionQueueTag* tag) { + bool Pluck(internal::CompletionQueueTag* tag) { auto deadline = g_core_codegen_interface->gpr_inf_future(GPR_CLOCK_REALTIME); auto ev = g_core_codegen_interface->grpc_completion_queue_pluck( @@ -238,7 +280,7 @@ class CompletionQueue : private GrpcLibraryCodegen { /// implementation to simple call the other TryPluck function with a zero /// timeout. i.e: /// TryPluck(tag, gpr_time_0(GPR_CLOCK_REALTIME)) - void TryPluck(CompletionQueueTag* tag) { + void TryPluck(internal::CompletionQueueTag* tag) { auto deadline = g_core_codegen_interface->gpr_time_0(GPR_CLOCK_REALTIME); auto ev = g_core_codegen_interface->grpc_completion_queue_pluck( cq_, tag, deadline, nullptr); @@ -254,7 +296,7 @@ class CompletionQueue : private GrpcLibraryCodegen { /// /// This exects tag->FinalizeResult (if called) to return 'false' i.e expects /// that the tag is internal not something that is returned to the user. - void TryPluck(CompletionQueueTag* tag, gpr_timespec deadline) { + void TryPluck(internal::CompletionQueueTag* tag, gpr_timespec deadline) { auto ev = g_core_codegen_interface->grpc_completion_queue_pluck( cq_, tag, deadline, nullptr); if (ev.type == GRPC_QUEUE_TIMEOUT || ev.type == GRPC_QUEUE_SHUTDOWN) { diff --git a/include/grpc++/impl/codegen/completion_queue_tag.h b/include/grpc++/impl/codegen/completion_queue_tag.h index 4d7d3a98dd..cb16bcf9ff 100644 --- a/include/grpc++/impl/codegen/completion_queue_tag.h +++ b/include/grpc++/impl/codegen/completion_queue_tag.h @@ -21,6 +21,7 @@ namespace grpc { +namespace internal { /// An interface allowing implementors to process and filter event tags. class CompletionQueueTag { public: @@ -31,6 +32,7 @@ class CompletionQueueTag { /// queue virtual bool FinalizeResult(void** tag, bool* status) = 0; }; +} // namespace internal } // namespace grpc diff --git a/include/grpc++/impl/codegen/metadata_map.h b/include/grpc++/impl/codegen/metadata_map.h index b73985967d..fd4750efdd 100644 --- a/include/grpc++/impl/codegen/metadata_map.h +++ b/include/grpc++/impl/codegen/metadata_map.h @@ -23,6 +23,7 @@ namespace grpc { +namespace internal { class MetadataMap { public: MetadataMap() { memset(&arr_, 0, sizeof(arr_)); } @@ -50,6 +51,7 @@ class MetadataMap { grpc_metadata_array arr_; std::multimap<grpc::string_ref, grpc::string_ref> map_; }; +} // namespace internal } // namespace grpc diff --git a/include/grpc++/impl/codegen/method_handler_impl.h b/include/grpc++/impl/codegen/method_handler_impl.h index e14cb0e926..c0af4ca130 100644 --- a/include/grpc++/impl/codegen/method_handler_impl.h +++ b/include/grpc++/impl/codegen/method_handler_impl.h @@ -26,6 +26,7 @@ namespace grpc { +namespace internal { /// A wrapper class of an application provided rpc method handler. template <class ServiceType, class RequestType, class ResponseType> class RpcMethodHandler : public MethodHandler { @@ -266,6 +267,7 @@ class UnknownMethodHandler : public MethodHandler { } }; +} // namespace internal } // namespace grpc #endif // GRPCXX_IMPL_CODEGEN_METHOD_HANDLER_IMPL_H diff --git a/include/grpc++/impl/codegen/rpc_method.h b/include/grpc++/impl/codegen/rpc_method.h index ac13ac56c7..54e52364ef 100644 --- a/include/grpc++/impl/codegen/rpc_method.h +++ b/include/grpc++/impl/codegen/rpc_method.h @@ -24,7 +24,7 @@ #include <grpc++/impl/codegen/channel_interface.h> namespace grpc { - +namespace internal { /// Descriptor of an RPC method class RpcMethod { public: @@ -55,6 +55,7 @@ class RpcMethod { void* const channel_tag_; }; +} // namespace internal } // namespace grpc #endif // GRPCXX_IMPL_CODEGEN_RPC_METHOD_H diff --git a/include/grpc++/impl/codegen/rpc_service_method.h b/include/grpc++/impl/codegen/rpc_service_method.h index d356012ad6..5ba11e8559 100644 --- a/include/grpc++/impl/codegen/rpc_service_method.h +++ b/include/grpc++/impl/codegen/rpc_service_method.h @@ -32,8 +32,8 @@ namespace grpc { class ServerContext; -class StreamContextInterface; +namespace internal { /// Base class for running an RPC handler. class MethodHandler { public: @@ -71,6 +71,7 @@ class RpcServiceMethod : public RpcMethod { void* server_tag_; std::unique_ptr<MethodHandler> handler_; }; +} // namespace internal } // namespace grpc diff --git a/include/grpc++/impl/codegen/server_context.h b/include/grpc++/impl/codegen/server_context.h index b5e37fd12b..a2d6967bf8 100644 --- a/include/grpc++/impl/codegen/server_context.h +++ b/include/grpc++/impl/codegen/server_context.h @@ -55,7 +55,6 @@ class ServerWriter; namespace internal { template <class W, class R> class ServerReaderWriterBody; -} template <class ServiceType, class RequestType, class ResponseType> class RpcMethodHandler; template <class ServiceType, class RequestType, class ResponseType> @@ -65,9 +64,11 @@ class ServerStreamingHandler; template <class ServiceType, class RequestType, class ResponseType> class BidiStreamingHandler; class UnknownMethodHandler; - +template <class Streamer, bool WriteNeeded> +class TemplatedBidiStreamingHandler; class Call; -class CallOpBuffer; +} // namespace internal + class CompletionQueue; class Server; class ServerInterface; @@ -247,14 +248,14 @@ class ServerContext { template <class W, class R> friend class ::grpc::internal::ServerReaderWriterBody; template <class ServiceType, class RequestType, class ResponseType> - friend class RpcMethodHandler; + friend class ::grpc::internal::RpcMethodHandler; template <class ServiceType, class RequestType, class ResponseType> - friend class ClientStreamingHandler; + friend class ::grpc::internal::ClientStreamingHandler; template <class ServiceType, class RequestType, class ResponseType> - friend class ServerStreamingHandler; + friend class ::grpc::internal::ServerStreamingHandler; template <class Streamer, bool WriteNeeded> - friend class TemplatedBidiStreamingHandler; - friend class UnknownMethodHandler; + friend class ::grpc::internal::TemplatedBidiStreamingHandler; + friend class ::grpc::internal::UnknownMethodHandler; friend class ::grpc::ClientContext; /// Prevent copying. @@ -263,9 +264,9 @@ class ServerContext { class CompletionOp; - void BeginCompletionOp(Call* call); + void BeginCompletionOp(internal::Call* call); /// Return the tag queued by BeginCompletionOp() - CompletionQueueTag* GetCompletionOpTag(); + internal::CompletionQueueTag* GetCompletionOpTag(); ServerContext(gpr_timespec deadline, grpc_metadata_array* arr); @@ -282,7 +283,7 @@ class ServerContext { CompletionQueue* cq_; bool sent_initial_metadata_; mutable std::shared_ptr<const AuthContext> auth_context_; - MetadataMap client_metadata_; + internal::MetadataMap client_metadata_; std::multimap<grpc::string, grpc::string> initial_metadata_; std::multimap<grpc::string, grpc::string> trailing_metadata_; @@ -290,7 +291,9 @@ class ServerContext { grpc_compression_level compression_level_; grpc_compression_algorithm compression_algorithm_; - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage> pending_ops_; + internal::CallOpSet<internal::CallOpSendInitialMetadata, + internal::CallOpSendMessage> + pending_ops_; bool has_pending_ops_; }; diff --git a/include/grpc++/impl/codegen/server_interface.h b/include/grpc++/impl/codegen/server_interface.h index 55937f19d7..3bcf4c87e7 100644 --- a/include/grpc++/impl/codegen/server_interface.h +++ b/include/grpc++/impl/codegen/server_interface.h @@ -30,20 +30,21 @@ namespace grpc { class AsyncGenericService; class Channel; class GenericServerContext; -class RpcService; -class ServerAsyncStreamingInterface; class ServerCompletionQueue; class ServerContext; class ServerCredentials; class Service; -class ThreadPoolInterface; extern CoreCodegenInterface* g_core_codegen_interface; /// Models a gRPC server. /// /// Servers are configured and started via \a grpc::ServerBuilder. -class ServerInterface : public CallHook { +namespace internal { +class ServerAsyncStreamingInterface; +} // namespace internal + +class ServerInterface : public internal::CallHook { public: virtual ~ServerInterface() {} @@ -78,7 +79,7 @@ class ServerInterface : public CallHook { virtual void Wait() = 0; protected: - friend class Service; + friend class ::grpc::Service; /// Register a service. This call does not take ownership of the service. /// The service must exist for the lifetime of the Server instance. @@ -116,12 +117,13 @@ class ServerInterface : public CallHook { virtual grpc_server* server() = 0; - virtual void PerformOpsOnCall(CallOpSetInterface* ops, Call* call) = 0; + virtual void PerformOpsOnCall(internal::CallOpSetInterface* ops, + internal::Call* call) = 0; - class BaseAsyncRequest : public CompletionQueueTag { + class BaseAsyncRequest : public internal::CompletionQueueTag { public: BaseAsyncRequest(ServerInterface* server, ServerContext* context, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, void* tag, bool delete_on_finalize); virtual ~BaseAsyncRequest(); @@ -131,7 +133,7 @@ class ServerInterface : public CallHook { protected: ServerInterface* const server_; ServerContext* const context_; - ServerAsyncStreamingInterface* const stream_; + internal::ServerAsyncStreamingInterface* const stream_; CompletionQueue* const call_cq_; void* const tag_; const bool delete_on_finalize_; @@ -141,7 +143,7 @@ class ServerInterface : public CallHook { class RegisteredAsyncRequest : public BaseAsyncRequest { public: RegisteredAsyncRequest(ServerInterface* server, ServerContext* context, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, void* tag); // uses BaseAsyncRequest::FinalizeResult @@ -155,7 +157,7 @@ class ServerInterface : public CallHook { public: NoPayloadAsyncRequest(void* registered_method, ServerInterface* server, ServerContext* context, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag) : RegisteredAsyncRequest(server, context, stream, call_cq, tag) { @@ -170,7 +172,7 @@ class ServerInterface : public CallHook { public: PayloadAsyncRequest(void* registered_method, ServerInterface* server, ServerContext* context, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag, Message* request) @@ -212,7 +214,7 @@ class ServerInterface : public CallHook { void* const registered_method_; ServerInterface* const server_; ServerContext* const context_; - ServerAsyncStreamingInterface* const stream_; + internal::ServerAsyncStreamingInterface* const stream_; CompletionQueue* const call_cq_; ServerCompletionQueue* const notification_cq_; void* const tag_; @@ -223,7 +225,7 @@ class ServerInterface : public CallHook { class GenericAsyncRequest : public BaseAsyncRequest { public: GenericAsyncRequest(ServerInterface* server, GenericServerContext* context, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag, bool delete_on_finalize); @@ -235,8 +237,9 @@ class ServerInterface : public CallHook { }; template <class Message> - void RequestAsyncCall(RpcServiceMethod* method, ServerContext* context, - ServerAsyncStreamingInterface* stream, + void RequestAsyncCall(internal::RpcServiceMethod* method, + ServerContext* context, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag, Message* message) { @@ -246,8 +249,9 @@ class ServerInterface : public CallHook { message); } - void RequestAsyncCall(RpcServiceMethod* method, ServerContext* context, - ServerAsyncStreamingInterface* stream, + void RequestAsyncCall(internal::RpcServiceMethod* method, + ServerContext* context, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag) { GPR_CODEGEN_ASSERT(method); @@ -256,7 +260,7 @@ class ServerInterface : public CallHook { } void RequestAsyncGenericCall(GenericServerContext* context, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag) { diff --git a/include/grpc++/impl/codegen/service_type.h b/include/grpc++/impl/codegen/service_type.h index 2dc4ea0ea6..71c3d99d5c 100644 --- a/include/grpc++/impl/codegen/service_type.h +++ b/include/grpc++/impl/codegen/service_type.h @@ -28,13 +28,14 @@ namespace grpc { -class Call; class CompletionQueue; class Server; class ServerInterface; class ServerCompletionQueue; class ServerContext; +namespace internal { +class Call; class ServerAsyncStreamingInterface { public: virtual ~ServerAsyncStreamingInterface() {} @@ -48,9 +49,10 @@ class ServerAsyncStreamingInterface { virtual void SendInitialMetadata(void* tag) = 0; private: - friend class ServerInterface; + friend class ::grpc::ServerInterface; virtual void BindCall(Call* call) = 0; }; +} // namespace internal /// Desriptor of an RPC service and its various RPC methods class Service { @@ -88,40 +90,38 @@ class Service { protected: template <class Message> void RequestAsyncUnary(int index, ServerContext* context, Message* request, - ServerAsyncStreamingInterface* stream, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, ServerCompletionQueue* notification_cq, void* tag) { server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq, notification_cq, tag, request); } - void RequestAsyncClientStreaming(int index, ServerContext* context, - ServerAsyncStreamingInterface* stream, - CompletionQueue* call_cq, - ServerCompletionQueue* notification_cq, - void* tag) { + void RequestAsyncClientStreaming( + int index, ServerContext* context, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, + ServerCompletionQueue* notification_cq, void* tag) { server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq, notification_cq, tag); } template <class Message> - void RequestAsyncServerStreaming(int index, ServerContext* context, - Message* request, - ServerAsyncStreamingInterface* stream, - CompletionQueue* call_cq, - ServerCompletionQueue* notification_cq, - void* tag) { + void RequestAsyncServerStreaming( + int index, ServerContext* context, Message* request, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, + ServerCompletionQueue* notification_cq, void* tag) { server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq, notification_cq, tag, request); } - void RequestAsyncBidiStreaming(int index, ServerContext* context, - ServerAsyncStreamingInterface* stream, - CompletionQueue* call_cq, - ServerCompletionQueue* notification_cq, - void* tag) { + void RequestAsyncBidiStreaming( + int index, ServerContext* context, + internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq, + ServerCompletionQueue* notification_cq, void* tag) { server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq, notification_cq, tag); } - void AddMethod(RpcServiceMethod* method) { methods_.emplace_back(method); } + void AddMethod(internal::RpcServiceMethod* method) { + methods_.emplace_back(method); + } void MarkMethodAsync(int index) { GPR_CODEGEN_ASSERT( @@ -139,7 +139,7 @@ class Service { methods_[index].reset(); } - void MarkMethodStreamed(int index, MethodHandler* streamed_method) { + void MarkMethodStreamed(int index, internal::MethodHandler* streamed_method) { GPR_CODEGEN_ASSERT(methods_[index] && methods_[index]->handler() && "Cannot mark an async or generic method Streamed"); methods_[index]->SetHandler(streamed_method); @@ -148,14 +148,14 @@ class Service { // case of BIDI_STREAMING that has 1 read and 1 write, in that order, // and split server-side streaming is BIDI_STREAMING with 1 read and // any number of writes, in that order. - methods_[index]->SetMethodType(::grpc::RpcMethod::BIDI_STREAMING); + methods_[index]->SetMethodType(internal::RpcMethod::BIDI_STREAMING); } private: friend class Server; friend class ServerInterface; ServerInterface* server_; - std::vector<std::unique_ptr<RpcServiceMethod>> methods_; + std::vector<std::unique_ptr<internal::RpcServiceMethod>> methods_; }; } // namespace grpc diff --git a/include/grpc++/impl/codegen/sync_stream.h b/include/grpc++/impl/codegen/sync_stream.h index c1784f1820..a6dd26fb00 100644 --- a/include/grpc++/impl/codegen/sync_stream.h +++ b/include/grpc++/impl/codegen/sync_stream.h @@ -30,6 +30,7 @@ namespace grpc { +namespace internal { /// Common interface for all synchronous client side streaming. class ClientStreamingInterface { public: @@ -141,10 +142,12 @@ class WriterInterface { } }; +} // namespace internal + /// Client-side interface for streaming reads of message of type \a R. template <class R> -class ClientReaderInterface : public ClientStreamingInterface, - public ReaderInterface<R> { +class ClientReaderInterface : public internal::ClientStreamingInterface, + public internal::ReaderInterface<R> { public: /// Block to wait for initial metadata from server. The received metadata /// can only be accessed after this call returns. Should only be called before @@ -153,35 +156,25 @@ class ClientReaderInterface : public ClientStreamingInterface, virtual void WaitForInitialMetadata() = 0; }; +namespace internal { +template <class R> +class ClientReaderFactory { + public: + template <class W> + static ClientReader<R>* Create(ChannelInterface* channel, + const ::grpc::internal::RpcMethod& method, + ClientContext* context, const W& request) { + return new ClientReader<R>(channel, method, context, request); + } +}; +} // namespace internal + /// Synchronous (blocking) client-side API for doing server-streaming RPCs, /// where the stream of messages coming from the server has messages /// of type \a R. template <class R> class ClientReader final : public ClientReaderInterface<R> { public: - /// Block to create a stream and write the initial metadata and \a request - /// out. Note that \a context will be used to fill in custom initial - /// metadata used to send to the server when starting the call. - template <class W> - ClientReader(ChannelInterface* channel, const RpcMethod& method, - ClientContext* context, const W& request) - : context_(context), - cq_(grpc_completion_queue_attributes{ - GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, - GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq - call_(channel->CreateCall(method, context, &cq_)) { - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpClientSendClose> - ops; - ops.SendInitialMetadata(context->send_initial_metadata_, - context->initial_metadata_flags()); - // TODO(ctiller): don't assert - GPR_CODEGEN_ASSERT(ops.SendMessage(request).ok()); - ops.ClientSendClose(); - call_.PerformOps(&ops); - cq_.Pluck(&ops); - } - /// See the \a ClientStreamingInterface.WaitForInitialMetadata method for /// semantics. /// @@ -192,7 +185,8 @@ class ClientReader final : public ClientReaderInterface<R> { void WaitForInitialMetadata() override { GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_); - CallOpSet<CallOpRecvInitialMetadata> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + ops; ops.RecvInitialMetadata(context_); call_.PerformOps(&ops); cq_.Pluck(&ops); /// status ignored @@ -209,7 +203,9 @@ class ClientReader final : public ClientReaderInterface<R> { /// already received (if initial metadata is received, it can be then /// accessed through the \a ClientContext associated with this call). bool Read(R* msg) override { - CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpRecvMessage<R>> + ops; if (!context_->initial_metadata_received_) { ops.RecvInitialMetadata(context_); } @@ -224,7 +220,7 @@ class ClientReader final : public ClientReaderInterface<R> { /// The \a ClientContext associated with this call is updated with /// possible metadata received from the server. Status Finish() override { - CallOpSet<CallOpClientRecvStatus> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpClientRecvStatus> ops; Status status; ops.ClientRecvStatus(context_, &status); call_.PerformOps(&ops); @@ -233,15 +229,41 @@ class ClientReader final : public ClientReaderInterface<R> { } private: + friend class internal::ClientReaderFactory<R>; ClientContext* context_; CompletionQueue cq_; - Call call_; + ::grpc::internal::Call call_; + + /// Block to create a stream and write the initial metadata and \a request + /// out. Note that \a context will be used to fill in custom initial + /// metadata used to send to the server when starting the call. + template <class W> + ClientReader(::grpc::ChannelInterface* channel, + const ::grpc::internal::RpcMethod& method, + ClientContext* context, const W& request) + : context_(context), + cq_(grpc_completion_queue_attributes{ + GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, + GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq + call_(channel->CreateCall(method, context, &cq_)) { + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> + ops; + ops.SendInitialMetadata(context->send_initial_metadata_, + context->initial_metadata_flags()); + // TODO(ctiller): don't assert + GPR_CODEGEN_ASSERT(ops.SendMessage(request).ok()); + ops.ClientSendClose(); + call_.PerformOps(&ops); + cq_.Pluck(&ops); + } }; /// Client-side interface for streaming writes of message type \a W. template <class W> -class ClientWriterInterface : public ClientStreamingInterface, - public WriterInterface<W> { +class ClientWriterInterface : public internal::ClientStreamingInterface, + public internal::WriterInterface<W> { public: /// Half close writing from the client. (signal that the stream of messages /// coming from the client is complete). @@ -252,37 +274,25 @@ class ClientWriterInterface : public ClientStreamingInterface, virtual bool WritesDone() = 0; }; +namespace internal { +template <class W> +class ClientWriterFactory { + public: + template <class R> + static ClientWriter<W>* Create(::grpc::ChannelInterface* channel, + const ::grpc::internal::RpcMethod& method, + ClientContext* context, R* response) { + return new ClientWriter<W>(channel, method, context, response); + } +}; +} // namespace internal + /// Synchronous (blocking) client-side API for doing client-streaming RPCs, /// where the outgoing message stream coming from the client has messages of /// type \a W. template <class W> class ClientWriter : public ClientWriterInterface<W> { public: - /// Block to create a stream (i.e. send request headers and other initial - /// metadata to the server). Note that \a context will be used to fill - /// in custom initial metadata. \a response will be filled in with the - /// single expected response message from the server upon a successful - /// call to the \a Finish method of this instance. - template <class R> - ClientWriter(ChannelInterface* channel, const RpcMethod& method, - ClientContext* context, R* response) - : context_(context), - cq_(grpc_completion_queue_attributes{ - GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, - GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq - call_(channel->CreateCall(method, context, &cq_)) { - finish_ops_.RecvMessage(response); - finish_ops_.AllowNoMessage(); - - if (!context_->initial_metadata_corked_) { - CallOpSet<CallOpSendInitialMetadata> ops; - ops.SendInitialMetadata(context->send_initial_metadata_, - context->initial_metadata_flags()); - call_.PerformOps(&ops); - cq_.Pluck(&ops); - } - } - /// See the \a ClientStreamingInterface.WaitForInitialMetadata method for /// semantics. /// @@ -292,7 +302,8 @@ class ClientWriter : public ClientWriterInterface<W> { void WaitForInitialMetadata() { GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_); - CallOpSet<CallOpRecvInitialMetadata> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + ops; ops.RecvInitialMetadata(context_); call_.PerformOps(&ops); cq_.Pluck(&ops); // status ignored @@ -304,10 +315,11 @@ class ClientWriter : public ClientWriterInterface<W> { /// Side effect: /// Also sends initial metadata if not already sent (using the /// \a ClientContext associated with this call). - using WriterInterface<W>::Write; + using ::grpc::internal::WriterInterface<W>::Write; bool Write(const W& msg, WriteOptions options) override { - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpClientSendClose> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> ops; if (options.is_last_message()) { @@ -328,7 +340,7 @@ class ClientWriter : public ClientWriterInterface<W> { } bool WritesDone() override { - CallOpSet<CallOpClientSendClose> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpClientSendClose> ops; ops.ClientSendClose(); call_.PerformOps(&ops); return cq_.Pluck(&ops); @@ -352,21 +364,51 @@ class ClientWriter : public ClientWriterInterface<W> { } private: + friend class internal::ClientWriterFactory<W>; + + /// Block to create a stream (i.e. send request headers and other initial + /// metadata to the server). Note that \a context will be used to fill + /// in custom initial metadata. \a response will be filled in with the + /// single expected response message from the server upon a successful + /// call to the \a Finish method of this instance. + template <class R> + ClientWriter(ChannelInterface* channel, + const ::grpc::internal::RpcMethod& method, + ClientContext* context, R* response) + : context_(context), + cq_(grpc_completion_queue_attributes{ + GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, + GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq + call_(channel->CreateCall(method, context, &cq_)) { + finish_ops_.RecvMessage(response); + finish_ops_.AllowNoMessage(); + + if (!context_->initial_metadata_corked_) { + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata> + ops; + ops.SendInitialMetadata(context->send_initial_metadata_, + context->initial_metadata_flags()); + call_.PerformOps(&ops); + cq_.Pluck(&ops); + } + } + ClientContext* context_; - CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage, - CallOpClientRecvStatus> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpGenericRecvMessage, + ::grpc::internal::CallOpClientRecvStatus> finish_ops_; CompletionQueue cq_; - Call call_; + ::grpc::internal::Call call_; }; /// Client-side interface for bi-directional streaming with /// client-to-server stream messages of type \a W and /// server-to-client stream messages of type \a R. template <class W, class R> -class ClientReaderWriterInterface : public ClientStreamingInterface, - public WriterInterface<W>, - public ReaderInterface<R> { +class ClientReaderWriterInterface : public internal::ClientStreamingInterface, + public internal::WriterInterface<W>, + public internal::ReaderInterface<R> { public: /// Block to wait for initial metadata from server. The received metadata /// can only be accessed after this call returns. Should only be called before @@ -375,7 +417,7 @@ class ClientReaderWriterInterface : public ClientStreamingInterface, virtual void WaitForInitialMetadata() = 0; /// Half close writing from the client. (signal that the stream of messages - /// coming from the client is complete). + /// coming from the clinet is complete). /// Blocks until currently-pending writes are completed. /// Thread-safe with respect to \a ReaderInterface::Read /// @@ -383,6 +425,18 @@ class ClientReaderWriterInterface : public ClientStreamingInterface, virtual bool WritesDone() = 0; }; +namespace internal { +template <class W, class R> +class ClientReaderWriterFactory { + public: + static ClientReaderWriter<W, R>* Create( + ::grpc::ChannelInterface* channel, + const ::grpc::internal::RpcMethod& method, ClientContext* context) { + return new ClientReaderWriter<W, R>(channel, method, context); + } +}; +} // namespace internal + /// Synchronous (blocking) client-side API for bi-directional streaming RPCs, /// where the outgoing message stream coming from the client has messages of /// type \a W, and the incoming messages stream coming from the server has @@ -390,25 +444,6 @@ class ClientReaderWriterInterface : public ClientStreamingInterface, template <class W, class R> class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { public: - /// Block to create a stream and write the initial metadata and \a request - /// out. Note that \a context will be used to fill in custom initial metadata - /// used to send to the server when starting the call. - ClientReaderWriter(ChannelInterface* channel, const RpcMethod& method, - ClientContext* context) - : context_(context), - cq_(grpc_completion_queue_attributes{ - GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, - GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq - call_(channel->CreateCall(method, context, &cq_)) { - if (!context_->initial_metadata_corked_) { - CallOpSet<CallOpSendInitialMetadata> ops; - ops.SendInitialMetadata(context->send_initial_metadata_, - context->initial_metadata_flags()); - call_.PerformOps(&ops); - cq_.Pluck(&ops); - } - } - /// Block waiting to read initial metadata from the server. /// This call is optional, but if it is used, it cannot be used concurrently /// with or after the \a Finish method. @@ -418,7 +453,8 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { void WaitForInitialMetadata() override { GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_); - CallOpSet<CallOpRecvInitialMetadata> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata> + ops; ops.RecvInitialMetadata(context_); call_.PerformOps(&ops); cq_.Pluck(&ops); // status ignored @@ -434,7 +470,9 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { /// Also receives initial metadata if not already received (updates the \a /// ClientContext associated with this call in that case). bool Read(R* msg) override { - CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpRecvMessage<R>> + ops; if (!context_->initial_metadata_received_) { ops.RecvInitialMetadata(context_); } @@ -448,10 +486,11 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { /// Side effect: /// Also sends initial metadata if not already sent (using the /// \a ClientContext associated with this call to fill in values). - using WriterInterface<W>::Write; + using ::grpc::internal::WriterInterface<W>::Write; bool Write(const W& msg, WriteOptions options) override { - CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, - CallOpClientSendClose> + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata, + ::grpc::internal::CallOpSendMessage, + ::grpc::internal::CallOpClientSendClose> ops; if (options.is_last_message()) { @@ -472,7 +511,7 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { } bool WritesDone() override { - CallOpSet<CallOpClientSendClose> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpClientSendClose> ops; ops.ClientSendClose(); call_.PerformOps(&ops); return cq_.Pluck(&ops); @@ -484,7 +523,9 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { /// - the \a ClientContext associated with this call is updated with /// possible trailing metadata sent from the server. Status Finish() override { - CallOpSet<CallOpRecvInitialMetadata, CallOpClientRecvStatus> ops; + ::grpc::internal::CallOpSet<::grpc::internal::CallOpRecvInitialMetadata, + ::grpc::internal::CallOpClientRecvStatus> + ops; if (!context_->initial_metadata_received_) { ops.RecvInitialMetadata(context_); } @@ -496,15 +537,38 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> { } private: + friend class internal::ClientReaderWriterFactory<W, R>; + ClientContext* context_; CompletionQueue cq_; - Call call_; + ::grpc::internal::Call call_; + + /// Block to create a stream and write the initial metadata and \a request + /// out. Note that \a context will be used to fill in custom initial metadata + /// used to send to the server when starting the call. + ClientReaderWriter(::grpc::ChannelInterface* channel, + const ::grpc::internal::RpcMethod& method, + ClientContext* context) + : context_(context), + cq_(grpc_completion_queue_attributes{ + GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, + GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq + call_(channel->CreateCall(method, context, &cq_)) { + if (!context_->initial_metadata_corked_) { + ::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata> + ops; + ops.SendInitialMetadata(context->send_initial_metadata_, + context->initial_metadata_flags()); + call_.PerformOps(&ops); + cq_.Pluck(&ops); + } + } }; /// Server-side interface for streaming reads of message of type \a R. template <class R> -class ServerReaderInterface : public ServerStreamingInterface, - public ReaderInterface<R> {}; +class ServerReaderInterface : public internal::ServerStreamingInterface, + public internal::ReaderInterface<R> {}; /// Synchronous (blocking) server-side API for doing client-streaming RPCs, /// where the incoming message stream coming from the client has messages of @@ -512,15 +576,13 @@ class ServerReaderInterface : public ServerStreamingInterface, template <class R> class ServerReader final : public ServerReaderInterface<R> { public: - ServerReader(Call* call, ServerContext* ctx) : call_(call), ctx_(ctx) {} - /// See the \a ServerStreamingInterface.SendInitialMetadata method /// for semantics. Note that initial metadata will be affected by the /// \a ServerContext associated with this call. void SendInitialMetadata() override { GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_); - CallOpSet<CallOpSendInitialMetadata> ops; + internal::CallOpSet<internal::CallOpSendInitialMetadata> ops; ops.SendInitialMetadata(ctx_->initial_metadata_, ctx_->initial_metadata_flags()); if (ctx_->compression_level_set()) { @@ -537,21 +599,27 @@ class ServerReader final : public ServerReaderInterface<R> { } bool Read(R* msg) override { - CallOpSet<CallOpRecvMessage<R>> ops; + internal::CallOpSet<internal::CallOpRecvMessage<R>> ops; ops.RecvMessage(msg); call_->PerformOps(&ops); return call_->cq()->Pluck(&ops) && ops.got_message; } private: - Call* const call_; + internal::Call* const call_; ServerContext* const ctx_; + + template <class ServiceType, class RequestType, class ResponseType> + friend class internal::ClientStreamingHandler; + + ServerReader(internal::Call* call, ServerContext* ctx) + : call_(call), ctx_(ctx) {} }; /// Server-side interface for streaming writes of message of type \a W. template <class W> -class ServerWriterInterface : public ServerStreamingInterface, - public WriterInterface<W> {}; +class ServerWriterInterface : public internal::ServerStreamingInterface, + public internal::WriterInterface<W> {}; /// Synchronous (blocking) server-side API for doing for doing a /// server-streaming RPCs, where the outgoing message stream coming from the @@ -559,8 +627,6 @@ class ServerWriterInterface : public ServerStreamingInterface, template <class W> class ServerWriter final : public ServerWriterInterface<W> { public: - ServerWriter(Call* call, ServerContext* ctx) : call_(call), ctx_(ctx) {} - /// See the \a ServerStreamingInterface.SendInitialMetadata method /// for semantics. /// Note that initial metadata will be affected by the @@ -568,7 +634,7 @@ class ServerWriter final : public ServerWriterInterface<W> { void SendInitialMetadata() override { GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_); - CallOpSet<CallOpSendInitialMetadata> ops; + internal::CallOpSet<internal::CallOpSendInitialMetadata> ops; ops.SendInitialMetadata(ctx_->initial_metadata_, ctx_->initial_metadata_flags()); if (ctx_->compression_level_set()) { @@ -584,11 +650,12 @@ class ServerWriter final : public ServerWriterInterface<W> { /// Side effect: /// Also sends initial metadata if not already sent (using the /// \a ClientContext associated with this call to fill in values). - using WriterInterface<W>::Write; + using internal::WriterInterface<W>::Write; bool Write(const W& msg, WriteOptions options) override { if (options.is_last_message()) { options.set_buffer_hint(); } + if (!ctx_->pending_ops_.SendMessage(msg, options).ok()) { return false; } @@ -613,15 +680,21 @@ class ServerWriter final : public ServerWriterInterface<W> { } private: - Call* const call_; + internal::Call* const call_; ServerContext* const ctx_; + + template <class ServiceType, class RequestType, class ResponseType> + friend class internal::ServerStreamingHandler; + + ServerWriter(internal::Call* call, ServerContext* ctx) + : call_(call), ctx_(ctx) {} }; /// Server-side interface for bi-directional streaming. template <class W, class R> -class ServerReaderWriterInterface : public ServerStreamingInterface, - public WriterInterface<W>, - public ReaderInterface<R> {}; +class ServerReaderWriterInterface : public internal::ServerStreamingInterface, + public internal::WriterInterface<W>, + public internal::ReaderInterface<R> {}; /// Actual implementation of bi-directional streaming namespace internal { @@ -688,6 +761,7 @@ class ServerReaderWriterBody final { Call* const call_; ServerContext* const ctx_; }; + } // namespace internal /// Synchronous (blocking) server-side API for a bidirectional @@ -697,8 +771,6 @@ class ServerReaderWriterBody final { template <class W, class R> class ServerReaderWriter final : public ServerReaderWriterInterface<W, R> { public: - ServerReaderWriter(Call* call, ServerContext* ctx) : body_(call, ctx) {} - /// See the \a ServerStreamingInterface.SendInitialMetadata method /// for semantics. Note that initial metadata will be affected by the /// \a ServerContext associated with this call. @@ -715,13 +787,18 @@ class ServerReaderWriter final : public ServerReaderWriterInterface<W, R> { /// Side effect: /// Also sends initial metadata if not already sent (using the \a /// ServerContext associated with this call). - using WriterInterface<W>::Write; + using internal::WriterInterface<W>::Write; bool Write(const W& msg, WriteOptions options) override { return body_.Write(msg, options); } private: internal::ServerReaderWriterBody<W, R> body_; + + friend class internal::TemplatedBidiStreamingHandler<ServerReaderWriter<W, R>, + false>; + ServerReaderWriter(internal::Call* call, ServerContext* ctx) + : body_(call, ctx) {} }; /// A class to represent a flow-controlled unary call. This is something @@ -736,9 +813,6 @@ template <class RequestType, class ResponseType> class ServerUnaryStreamer final : public ServerReaderWriterInterface<ResponseType, RequestType> { public: - ServerUnaryStreamer(Call* call, ServerContext* ctx) - : body_(call, ctx), read_done_(false), write_done_(false) {} - /// Block to send initial metadata to client. /// Implicit input parameter: /// - the \a ServerContext associated with this call will be used for @@ -775,7 +849,7 @@ class ServerUnaryStreamer final /// \param options The WriteOptions affecting the write operation. /// /// \return \a true on success, \a false when the stream has been closed. - using WriterInterface<ResponseType>::Write; + using internal::WriterInterface<ResponseType>::Write; bool Write(const ResponseType& response, WriteOptions options) override { if (write_done_ || !read_done_) { return false; @@ -788,6 +862,11 @@ class ServerUnaryStreamer final internal::ServerReaderWriterBody<ResponseType, RequestType> body_; bool read_done_; bool write_done_; + + friend class internal::TemplatedBidiStreamingHandler< + ServerUnaryStreamer<RequestType, ResponseType>, true>; + ServerUnaryStreamer(internal::Call* call, ServerContext* ctx) + : body_(call, ctx), read_done_(false), write_done_(false) {} }; /// A class to represent a flow-controlled server-side streaming call. @@ -799,9 +878,6 @@ template <class RequestType, class ResponseType> class ServerSplitStreamer final : public ServerReaderWriterInterface<ResponseType, RequestType> { public: - ServerSplitStreamer(Call* call, ServerContext* ctx) - : body_(call, ctx), read_done_(false) {} - /// Block to send initial metadata to client. /// Implicit input parameter: /// - the \a ServerContext associated with this call will be used for @@ -838,7 +914,7 @@ class ServerSplitStreamer final /// \param options The WriteOptions affecting the write operation. /// /// \return \a true on success, \a false when the stream has been closed. - using WriterInterface<ResponseType>::Write; + using internal::WriterInterface<ResponseType>::Write; bool Write(const ResponseType& response, WriteOptions options) override { return read_done_ && body_.Write(response, options); } @@ -846,6 +922,11 @@ class ServerSplitStreamer final private: internal::ServerReaderWriterBody<ResponseType, RequestType> body_; bool read_done_; + + friend class internal::TemplatedBidiStreamingHandler< + ServerSplitStreamer<RequestType, ResponseType>, false>; + ServerSplitStreamer(internal::Call* call, ServerContext* ctx) + : body_(call, ctx), read_done_(false) {} }; } // namespace grpc diff --git a/include/grpc++/impl/codegen/time.h b/include/grpc++/impl/codegen/time.h index 589deb4f03..d464d6ea13 100644 --- a/include/grpc++/impl/codegen/time.h +++ b/include/grpc++/impl/codegen/time.h @@ -19,6 +19,8 @@ #ifndef GRPCXX_IMPL_CODEGEN_TIME_H #define GRPCXX_IMPL_CODEGEN_TIME_H +#include <chrono> + #include <grpc++/impl/codegen/config.h> #include <grpc/impl/codegen/grpc_types.h> @@ -59,10 +61,6 @@ class TimePoint<gpr_timespec> { } // namespace grpc -#include <chrono> - -#include <grpc/impl/codegen/grpc_types.h> - namespace grpc { // from and to should be absolute time. |