A new object oriented network api that can be used to replace the one provided by the EthernetInterface library.
Dependents: NetRelais TCP_Client_Example TCP_Server_Example UDP_Server_Example ... more
buffer.hpp
00001 /** 00002 * Copyright (c) 2012, Roy van Dam <roy@vandam-innovations.com> 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, this 00009 * list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00015 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00016 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00017 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 00018 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00019 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00020 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00021 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00022 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00023 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00024 */ 00025 00026 #ifndef _NETWORK_BUFFER_HPP_ 00027 #define _NETWORK_BUFFER_HPP_ 00028 00029 #include <stdlib.h> 00030 #include <string> 00031 #include <cstring> 00032 00033 namespace network 00034 { 00035 class Buffer 00036 { 00037 // Members 00038 protected: 00039 void *_memory; 00040 00041 size_t _size; 00042 size_t _length; 00043 00044 // Methods 00045 public: 00046 Buffer(); 00047 explicit Buffer(const Buffer &other); 00048 explicit Buffer(const size_t size); 00049 explicit Buffer(const std::string &other); 00050 00051 ~Buffer(); 00052 00053 int read(void *data, size_t max_length, size_t offset = 0); 00054 int write(const void *data, size_t length, size_t offset = 0); 00055 int flush(); 00056 00057 void *data(size_t offset = 0); 00058 00059 void length(size_t length); 00060 size_t length(); 00061 00062 size_t size(); 00063 size_t free(); 00064 00065 Buffer &operator=(const Buffer &other); 00066 Buffer &operator=(const std::string &message); 00067 00068 protected: 00069 int _memory_allocate(size_t size); 00070 void _memory_free(); 00071 00072 }; 00073 00074 } // namespace network 00075 00076 #endif // _NETWORK_UDP_SOCKET_HPP_
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