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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPCXX_IMPL_SERVICE_TYPE_H
#define GRPCXX_IMPL_SERVICE_TYPE_H
#include <grpc++/impl/serialization_traits.h>
#include <grpc++/server.h>
#include <grpc++/support/config.h>
#include <grpc++/support/status.h>
namespace grpc {
class Call;
class CompletionQueue;
class RpcService;
class Server;
class ServerCompletionQueue;
class ServerContext;
class SynchronousService {
public:
virtual ~SynchronousService() {}
virtual RpcService* service() = 0;
};
class ServerAsyncStreamingInterface {
public:
virtual ~ServerAsyncStreamingInterface() {}
virtual void SendInitialMetadata(void* tag) = 0;
private:
friend class Server;
virtual void BindCall(Call* call) = 0;
};
class AsynchronousService {
public:
AsynchronousService(const char** method_names, size_t method_count)
: server_(nullptr),
method_names_(method_names),
method_count_(method_count),
request_args_(nullptr) {}
~AsynchronousService() { delete[] request_args_; }
protected:
template <class Message>
void RequestAsyncUnary(int index, ServerContext* context, Message* request,
ServerAsyncStreamingInterface* stream,
CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq, void* tag) {
server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
notification_cq, tag, request);
}
void RequestClientStreaming(int index, ServerContext* context,
ServerAsyncStreamingInterface* stream,
CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq,
void* tag) {
server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
notification_cq, tag);
}
template <class Message>
void RequestServerStreaming(int index, ServerContext* context,
Message* request,
ServerAsyncStreamingInterface* stream,
CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq,
void* tag) {
server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
notification_cq, tag, request);
}
void RequestBidiStreaming(int index, ServerContext* context,
ServerAsyncStreamingInterface* stream,
CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq, void* tag) {
server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
notification_cq, tag);
}
private:
friend class Server;
Server* server_;
const char** const method_names_;
size_t method_count_;
void** request_args_;
};
} // namespace grpc
#endif // GRPCXX_IMPL_SERVICE_TYPE_H
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