1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* Copyright (c) 2014, Ford Motor Company
* 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 the Ford Motor Company 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 HOLDER 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 SRC_COMPONENTS_DBUS_INCLUDE_DBUS_DBUS_MESSAGE_H_
#define SRC_COMPONENTS_DBUS_INCLUDE_DBUS_DBUS_MESSAGE_H_
#include <stdint.h>
#include <string>
#include <dbus/dbus.h>
namespace dbus {
enum ContainerType {
kArray = DBUS_TYPE_ARRAY,
kStruct = DBUS_TYPE_STRUCT,
kDictEntry = DBUS_TYPE_DICT_ENTRY
};
class MessageRefKeeper {
public:
MessageRefKeeper();
MessageRefKeeper(DBusMessage* message);
~MessageRefKeeper();
MessageRefKeeper(const MessageRefKeeper& other);
MessageRefKeeper& operator=(MessageRefKeeper other);
DBusMessage* get() const;
DBusMessage* Pass();
void swap(MessageRefKeeper& other);
private:
DBusMessage* raw_message_;
};
class MessageRef {
public:
MessageRef(DBusMessage* message);
~MessageRef();
std::string GetInterface() const;
std::string GetMember() const;
protected:
MessageRefKeeper raw_message_ref_;
friend class MessageReader;
friend class MessageWriter;
};
class MessageReader {
public:
// Main constructor
MessageReader(const MessageRef& message);
bool has_failed() const;
bool IsAtLastElement() const;
bool HasNext() const;
// Type checkers
bool NextIsInvalid() const;
bool NextIsBool() const;
bool NextIsByte() const;
bool NextIsInt16() const;
bool NextIsUint16() const;
bool NextIsInt32() const;
bool NextIsUint32() const;
bool NextIsInt64() const;
bool NextIsUint64() const;
bool NextIsDouble() const;
bool NextIsString() const;
bool NextIsArray() const;
bool NextIsStruct() const;
bool NextIsDictEntry() const;
// Readers
bool TakeBool();
uint8_t TakeByte();
int16_t TakeInt16();
uint16_t TakeUint16();
int32_t TakeInt32();
uint32_t TakeUint32();
int64_t TakeInt64();
uint64_t TakeUint64();
double TakeDouble();
std::string TakeString();
MessageReader TakeArrayReader();
MessageReader TakeStructReader();
MessageReader TakeDictEntryReader();
private:
typedef int DataType;
// Container reader constructor
MessageReader(MessageReader* reader, DataType container_data_type);
void MoveToNext();
void MarkFailed();
DataType NextValueType() const;
void ReadNextValue(DataType type, void* value);
private:
// Fields
MessageReader* parent_reader_;
bool failed_;
DBusMessageIter iterator_;
};
class MessageWriter {
public:
// Methods
// Main appending constructor
MessageWriter(const MessageRef& message);
// Container writer constructor
MessageWriter(MessageWriter* parent,
ContainerType type,
const char* array_signature);
~MessageWriter();
void PutBool(bool value);
void PutByte(uint8_t value);
void PutInt16(int16_t value);
void PutUint16(uint16_t value);
void PutInt32(int32_t value);
void PutUint32(uint32_t value);
void PutInt64(int64_t value);
void PutUint64(uint64_t value);
void PutDouble(double value);
void PutString(const std::string& value);
private:
typedef int DataType;
// Main constructor
void WriteAndCheck(DataType value_type, const void* value);
void CloseWriter();
private:
// Fields
bool has_opened_subcontainer_;
MessageWriter* parent_writer_;
DBusMessageIter iterator_;
// Disallow copy and assign
MessageWriter(const MessageWriter& other);
MessageWriter& operator=(const MessageWriter& other);
};
MessageRef MethodCall(const char* bus_name,
const char* path,
const char* interface,
const char* method);
MessageRef Signal(const char* path, const char* interface, const char* name);
} // namespace dbus
#include "dbus/dbus_message_inl.h"
#endif // SRC_COMPONENTS_DBUS_INCLUDE_DBUS_DBUS_MESSAGE_H_
|
