nlib
JsonRpcResponse.h
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1 
2 /*--------------------------------------------------------------------------------*
3  Project: CrossRoad
4  Copyright (C)Nintendo All rights reserved.
5 
6  These coded instructions, statements, and computer programs contain proprietary
7  information of Nintendo and/or its licensed developers and are protected by
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9  parties or copied or duplicated in any form, in whole or in part, without the
10  prior written consent of Nintendo.
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12  The content herein is highly confidential and should be handled accordingly.
13  *--------------------------------------------------------------------------------*/
14 
15 #pragma once
16 #ifndef INCLUDE_NN_NLIB_MSGPACK_JSONRPC_JSONRPCRESPONSE_H_
17 #define INCLUDE_NN_NLIB_MSGPACK_JSONRPC_JSONRPCRESPONSE_H_
18 
19 #include "nn/nlib/Config.h"
20 #include "nn/nlib/UniquePtr.h"
21 #include "nn/nlib/Nlist.h"
22 #include "nn/nlib/Swap.h"
25 
26 #ifdef __cpp_rvalue_references
27 #include <tuple>
28 #endif
29 
30 #if defined(_MSC_VER) && defined(nx_msgpack_EXPORTS)
31 #undef NLIB_VIS_PUBLIC
32 #define NLIB_VIS_PUBLIC NLIB_WINEXPORT
33 #endif
34 
35 NLIB_NAMESPACE_BEGIN
36 namespace msgpack {
37 namespace jsonrpc {
38 typedef uint32_t reqid_t;
39 
41  public:
42  enum ErrorCode {
43  kOk = 0,
44  kParseError = -32700,
45  kInvalidRequest = -32600,
46  kMethodNotFound = -32601,
47  kInvalidParams = -32602,
48  kInternalError = -32603,
49  kClientAbort = -31000
50  };
52  is_error_(false),
53  error_code_(0),
54  error_msg_(nullptr) {}
56 
57  void MoveResultFrom(MpObject& obj) NLIB_NOEXCEPT;
58 #ifdef __cpp_rvalue_references
59  void MoveResultFrom(MpObject&& obj) NLIB_NOEXCEPT;
60 #endif
61  void SetError(int errcode, const char* msg, MpObject& data) NLIB_NOEXCEPT;
62  void SetError(int errcode, const char* msg) NLIB_NOEXCEPT {
63  MpObject data;
64  this->SetError(errcode, msg, data);
65  }
66 
67  ErrorCode GetError() const NLIB_NOEXCEPT { return static_cast<ErrorCode>(error_code_); }
68  reqid_t GetId() const NLIB_NOEXCEPT { return id_; }
69  const char* GetErrorMessage() const NLIB_NOEXCEPT { return error_msg_ ? error_msg_ : ""; }
70  MpObject& GetMpObject() NLIB_NOEXCEPT { return obj_; }
71  const MpObject& GetMpObject() const NLIB_NOEXCEPT { return obj_; }
72  NLIB_SAFE_BOOL(JsonRpcResponse, !is_error_);
73 
74  private:
75  void SetId(reqid_t id) NLIB_NOEXCEPT { id_ = id; } // from JsonRpcRequest::Init()
76  NLIB_VIS_HIDDEN errno_t Init(MpObject* rhs) NLIB_NOEXCEPT; // from JsonRpcResponseReader
77 
78  private:
79  reqid_t id_;
80  bool is_error_;
81  int error_code_;
82  char* error_msg_;
83  MpObject obj_;
84 
85  friend class JsonRpcResponseReader;
86  friend class JsonRpcRequest;
87  NLIB_DISALLOW_COPY_AND_ASSIGN(JsonRpcResponse);
88 };
89 
91  public:
94  static errno_t ReadResponse(const void* p, size_t n, ListType* result_list) NLIB_NOEXCEPT;
95 
96  private:
98 };
99 
101  public:
103  NLIB_CEXPR JsonRpcResponseWriter() NLIB_NOEXCEPT : prv_(nullptr), is_msgpack_(false) {}
105 #ifdef __cpp_rvalue_references
107  : prv_(rhs.prv_),
108  is_msgpack_(rhs.is_msgpack_) {
109  rhs.prv_ = nullptr;
110  }
112  prv_ = rhs.prv_;
113  is_msgpack_ = rhs.is_msgpack_;
114  rhs.prv_ = nullptr;
115  return *this;
116  }
117 #endif
119  : prv_(rhs.prv_),
120  is_msgpack_(rhs.is_msgpack_) {
121  rhs.prv_ = nullptr;
122  }
123  JsonRpcResponseWriter& assign(JsonRpcResponseWriter& rhs, move_tag) NLIB_NOEXCEPT {
124  prv_ = rhs.prv_;
125  is_msgpack_ = rhs.is_msgpack_;
126  rhs.prv_ = nullptr;
127  return *this;
128  }
129  explicit JsonRpcResponseWriter(bool msgpack) NLIB_NOEXCEPT : prv_(nullptr),
130  is_msgpack_(msgpack) {}
131  errno_t BeginWriteResponse(uint32_t n) NLIB_NOEXCEPT;
132  errno_t WriteResponse(JsonRpcResponse* result) NLIB_NOEXCEPT;
133  errno_t EndWriteResponse(UniquePtrType* ptr, size_t* n) NLIB_NOEXCEPT;
134 #ifdef __cpp_rvalue_references
135  std::tuple<errno_t, UniquePtrType, size_t> EndWriteResponse() NLIB_NOEXCEPT;
136 #endif
137 
138  private:
139  struct JsonRpcResponseWriterPrivate;
140  JsonRpcResponseWriterPrivate* prv_;
141  bool is_msgpack_;
143 };
144 
145 } // namespace jsonrpc
146 } // namespace msgpack
147 NLIB_NAMESPACE_END
148 NLIB_DEFINE_STD_SWAP(::nlib_ns::msgpack::jsonrpc::JsonRpcResponseWriter)
149 #if defined(_MSC_VER) && defined(nx_msgpack_EXPORTS)
150 #undef NLIB_VIS_PUBLIC
151 #define NLIB_VIS_PUBLIC NLIB_WINIMPORT
152 #endif
153 
154 #endif // INCLUDE_NN_NLIB_MSGPACK_JSONRPC_JSONRPCRESPONSE_H_
JsonRpcResponseWriter(JsonRpcResponseWriter &&rhs) noexcept
Instantiates the object (move constructor).
UniquePtr< JsonRpcResponse > ValueType
Stores the JSON-RPC response via UniquePtr.
void SetError(int errcode, const char *msg) noexcept
Sets the JSON-RPC function error.
Class for representing the JSON-RPC response.
#define NLIB_DISALLOW_COPY_AND_ASSIGN(TypeName)
Prohibits use of the copy constructor and assignment operator for the class specified by TypeName...
Definition: Config.h:183
#define NLIB_SAFE_BOOL(class_name, exp)
Defines a safe operator bool function in the class. Uses the C++11 explicit bool if it is available f...
Definition: Config.h:199
JsonRpcResponseWriter(bool msgpack) noexcept
Creates a msgpack byte string when true is specified as the argument.
In the C++11 environment (which supports alias templates), std::unique_ptr is made an alias template...
Definition: UniquePtr.h:108
Defines that class that is corresponding to std::unique_ptr.
#define NLIB_VIS_HIDDEN
Symbols for functions and classes are not made available outside of the library.
Definition: Platform_unix.h:86
Class that reads the JSON-RPC response byte string.
JsonRpcResponseWriter & operator=(JsonRpcResponseWriter &&rhs) noexcept
Move assignment operator.
#define NLIB_VIS_PUBLIC
Symbols for functions and classes are made available outside of the library.
Definition: Platform_unix.h:87
Object created when MessagePack or JSON is read.
Definition: MpObject.h:96
MpObject & GetMpObject() noexcept
Returns the JSON-RPC return value, or additional information about an error.
Defines the class that resembles std::vector but can store objects that cannot be copied...
const MpObject & GetMpObject() const noexcept
The const decoration version of the above function.
An empty structure indicating that an argument to a function needs to be moved.
Definition: Config.h:270
const char * GetErrorMessage() const noexcept
Returns an error message.
Object created when MessagePack, JSON, or CSV is read.
reqid_t GetId() const noexcept
Returns the ID of the JSON-RPC response.
#define NLIB_NOEXCEPT
Defines noexcept geared to the environment, or the equivalent.
Definition: Config.h:109
ErrorCode
Definition of the predefined error code contained in the JSON-RPC response.
#define NLIB_CEXPR
Defines constexpr if it is available for use. If not, holds an empty string.
Definition: Config.h:111
A file that contains the configuration information for each development environment.
uint32_t reqid_t
id type for the JSON-RPC request.
Definition: JsonRpcClient.h:32
A container-like class similar to std::vector that can store objects that do not have copy constructo...
Definition: Nlist.h:32
Class that writes the JSON-RPC response byte string.
ErrorCode GetError() const noexcept
Returns an error code.
Nlist< ValueType > ListType
Type that stores the JSON-RPC response sequence.
#define NLIB_FINAL
Defines final if it is available for use. If not, holds an empty string.
Definition: Config.h:250
JsonRpcResponse() noexcept
Instantiates the object with default parameters (default constructor).
constexpr JsonRpcResponseWriter() noexcept
Instantiates the object with default parameters (default constructor).
int errno_t
Indicates with an int-type typedef that a POSIX error value is returned as the return value...
Definition: NMalloc.h:37