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Packet.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24
25 #ifndef SFML_PACKET_HPP
26 #define SFML_PACKET_HPP
27
29 // Headers
31 #include <SFML/Network/Export.hpp>
32 #include <string>
33 #include <vector>
34
35
36 namespace sf
37 {
38 class String;
39 class TcpSocket;
40 class UdpSocket;
41
47 class SFML_NETWORK_API Packet
48 {
49 // A bool-like type that cannot be converted to integer or pointer types
50 typedef bool (Packet::*BoolType)(std::size_t);
51
52 public:
53
60 Packet();
61
66 virtual ~Packet();
67
77 void append(const void* data, std::size_t sizeInBytes);
78
87 void clear();
88
102 const void* getData() const;
103
115 std::size_t getDataSize() const;
116
129 bool endOfPacket() const;
130
131 public:
132
171 operator BoolType() const;
172
177 Packet& operator >>(bool& data);
178 Packet& operator >>(Int8& data);
179 Packet& operator >>(Uint8& data);
180 Packet& operator >>(Int16& data);
181 Packet& operator >>(Uint16& data);
182 Packet& operator >>(Int32& data);
183 Packet& operator >>(Uint32& data);
184 Packet& operator >>(Int64& data);
185 Packet& operator >>(Uint64& data);
186 Packet& operator >>(float& data);
187 Packet& operator >>(double& data);
188 Packet& operator >>(char* data);
189 Packet& operator >>(std::string& data);
190 Packet& operator >>(wchar_t* data);
191 Packet& operator >>(std::wstring& data);
192 Packet& operator >>(String& data);
193
198 Packet& operator <<(bool data);
199 Packet& operator <<(Int8 data);
200 Packet& operator <<(Uint8 data);
201 Packet& operator <<(Int16 data);
202 Packet& operator <<(Uint16 data);
203 Packet& operator <<(Int32 data);
204 Packet& operator <<(Uint32 data);
205 Packet& operator <<(Int64 data);
206 Packet& operator <<(Uint64 data);
207 Packet& operator <<(float data);
208 Packet& operator <<(double data);
209 Packet& operator <<(const char* data);
210 Packet& operator <<(const std::string& data);
211 Packet& operator <<(const wchar_t* data);
212 Packet& operator <<(const std::wstring& data);
213 Packet& operator <<(const String& data);
214
215 protected:
216
217 friend class TcpSocket;
218 friend class UdpSocket;
219
238 virtual const void* onSend(std::size_t& size);
239
257 virtual void onReceive(const void* data, std::size_t size);
258
259 private:
260
265 bool operator ==(const Packet& right) const;
266 bool operator !=(const Packet& right) const;
267
278 bool checkSize(std::size_t size);
279
281 // Member data
283 std::vector<char> m_data;
284 std::size_t m_readPos;
285 std::size_t m_sendPos;
286 bool m_isValid;
287 };
288
289 } // namespace sf
290
291
292 #endif // SFML_PACKET_HPP
293
294
sf::UdpSocket
Specialized socket using the UDP protocol.
Definition: UdpSocket.hpp:45
sf::Packet
Utility class to build blocks of data to transfer over the network.
Definition: Packet.hpp:47
sf::TcpSocket
Specialized socket using the TCP protocol.
Definition: TcpSocket.hpp:46
sf
Definition: AlResource.hpp:34
sf::String
Utility string class that automatically handles conversions between types and encodings.
Definition: String.hpp:44