grpc/include/grpc++/stream_context_interface.h

/*
 *
 * Copyright 2014, Google Inc.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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#ifndef __GRPCPP_STREAM_CONTEXT_INTERFACE_H__
#define __GRPCPP_STREAM_CONTEXT_INTERFACE_H__

namespace google {
namespace protobuf {
class Message;
}
}

namespace grpc {
class Status;

// An interface to avoid dependency on internal implementation.
class StreamContextInterface {
 public:
  virtual ~StreamContextInterface() {}

  virtual void Start(bool buffered) = 0;

  virtual bool Read(google::protobuf::Message* msg) = 0;
  virtual bool Write(const google::protobuf::Message* msg, bool is_last) = 0;
  virtual const Status& Wait() = 0;
  virtual void Cancel() = 0;

  virtual google::protobuf::Message* request() = 0;
  virtual google::protobuf::Message* response() = 0;
};

}  // namespace grpc

#endif  // __GRPCPP_STREAM_CONTEXT_INTERFACE_H__