| 1 | /**
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| 2 | * @file network.h
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| 3 | * @author myusgun@gmail.com
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| 4 | * @brief network
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| 5 | */
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| 6 | #ifndef __tcp_h__
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| 7 | #define __tcp_h__
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| 8 |
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| 9 | #include "cf/exception.h"
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| 10 | #include "cf/bin.h"
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| 11 |
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| 12 | #include <string>
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| 13 |
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| 14 | #define UNUSED_SOCKET -1
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| 15 |
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| 16 | namespace cf
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| 17 | {
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| 18 | /**
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| 19 | * network
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| 20 | */
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| 21 | namespace network
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| 22 | {
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| 23 | /**
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| 24 | * network host
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| 25 | */
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| 26 | class host
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| 27 | {
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| 28 | private:
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| 29 | std::string mAddress;
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| 30 | cf::uint16_t mPort;
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| 31 |
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| 32 | public:
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| 33 | /**
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| 34 | * constructor
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| 35 | * @param address host address
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| 36 | * @param port port number
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| 37 | */
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| 38 | host(const std::string & address = "",
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| 39 | const cf::uint16_t port = 0);
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| 40 |
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| 41 | /**
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| 42 | * get host address
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| 43 | * @return host address
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| 44 | */
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| 45 | std::string address() const;
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| 46 |
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| 47 | /**
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| 48 | * get port number
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| 49 | * @return port number
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| 50 | */
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| 51 | cf::uint16_t port() const;
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| 52 |
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| 53 | /**
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| 54 | * is empty ?
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| 55 | * @return true; false
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| 56 | */
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| 57 | cf::bool_t empty() const;
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| 58 | };
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| 59 |
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| 60 | /**
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| 61 | * TCP Socket
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| 62 | */
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| 63 | class tcp
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| 64 | {
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| 65 | private:
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| 66 | cf::socket_t mSocket;
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| 67 | cf::int32_t mTimeout;
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| 68 |
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| 69 | /**
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| 70 | * receive
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| 71 | * @param out created-bin
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| 72 | * @throw cf::exception
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| 73 | */
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| 74 | cf::void_t receive(bin & out) const
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| 75 | throw (cf::exception);
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| 76 |
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| 77 | public:
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| 78 | /**
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| 79 | * constructor
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| 80 | * @param attachedSocket [option] socket descriptor for attachment
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| 81 | * @throw cf::exception
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| 82 | */
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| 83 | tcp(const cf::socket_t attachedSocket = UNUSED_SOCKET)
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| 84 | throw (cf::exception);
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| 85 |
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| 86 | /**
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| 87 | * destructor
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| 88 | */
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| 89 | virtual ~tcp();
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| 90 |
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| 91 | /**
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| 92 | * get socket descriptor
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| 93 | * @return socket descriptor
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| 94 | */
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| 95 | cf::socket_t descriptor() const;
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| 96 |
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| 97 | /**
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| 98 | * close connection
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| 99 | */
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| 100 | cf::void_t close();
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| 101 |
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| 102 | /**
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| 103 | * connect to address:port
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| 104 | * @param peer peer host
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| 105 | * @param timeout timeout
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| 106 | * @throw cf::exception
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| 107 | */
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| 108 | cf::void_t connect(const host & peer,
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| 109 | const cf::int32_t timeout = 0)
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| 110 | throw (cf::exception);
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| 111 |
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| 112 | /**
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| 113 | * server ready
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| 114 | * @param port port
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| 115 | * @param backlog [option] backlog
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| 116 | * @throw cf::exception
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| 117 | */
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| 118 | cf::void_t listen(const cf::uint16_t port,
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| 119 | const cf::int32_t backlog = 5) const
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| 120 | throw (cf::exception);
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| 121 |
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| 122 | /**
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| 123 | * accept client
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| 124 | * @return an instance of tcp client
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| 125 | * @throw cf::exception
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| 126 | */
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| 127 | tcp accept() const
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| 128 | throw (cf::exception);
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| 129 |
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| 130 | /**
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| 131 | * attach socket
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| 132 | * @param sock socket descriptor
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| 133 | * @throw cf::exception
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| 134 | */
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| 135 | cf::void_t attach(const cf::socket_t sock)
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| 136 | throw (cf::exception);
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| 137 |
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| 138 | /**
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| 139 | * detach socket
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| 140 | * @return socket descriptor
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| 141 | * @throw cf::exception
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| 142 | */
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| 143 | cf::socket_t detach()
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| 144 | throw (cf::exception);
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| 145 |
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| 146 | /**
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| 147 | * send
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| 148 | * @param in data
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| 149 | * @throw cf::exception
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| 150 | */
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| 151 | cf::void_t send(const bin & in) const
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| 152 | throw (cf::exception);
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| 153 |
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| 154 | /**
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| 155 | * receive
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| 156 | * @return received data
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| 157 | * @param size expected data length
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| 158 | * @throw cf::exception
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| 159 | */
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| 160 | bin receive(const cf::int32_t size) const
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| 161 | throw (cf::exception);
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| 162 |
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| 163 | /**
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| 164 | * receive
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| 165 | * @return received all of data
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| 166 | * @throw cf::exception
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| 167 | */
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| 168 | bin receive() const
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| 169 | throw (cf::exception);
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| 170 |
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| 171 | /**
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| 172 | * get socket option
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| 173 | */
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| 174 | cf::void_t getOption(const cf::int32_t optname,
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| 175 | cf::void_t * optval,
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| 176 | cf::int32_t * optlen) const
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| 177 | throw (cf::exception);
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| 178 |
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| 179 | /**
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| 180 | * set socket option
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| 181 | */
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| 182 | cf::void_t setOption(const cf::int32_t optname,
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| 183 | const cf::void_t * optval,
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| 184 | const cf::int32_t optlen) const
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| 185 | throw (cf::exception);
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| 186 |
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| 187 | /**
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| 188 | * set non-blocking
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| 189 | * @param flag true; false
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| 190 | */
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| 191 | cf::void_t setNonBlocking(const cf::bool_t flag);
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| 192 |
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| 193 | /**
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| 194 | * set timeout
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| 195 | * @param seconds timeout seconds
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| 196 | * @see setNonBlocking()
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| 197 | */
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| 198 | cf::void_t setTimeout(const cf::int32_t seconds);
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| 199 |
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| 200 | /**
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| 201 | * get local host
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| 202 | * @return local host
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| 203 | * @see cf::network::host
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| 204 | */
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| 205 | host local() const
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| 206 | throw (cf::exception);
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| 207 |
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| 208 | /**
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| 209 | * get peer host
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| 210 | * @return peer host
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| 211 | * @see cf::network::host
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| 212 | */
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| 213 | host peer() const
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| 214 | throw (cf::exception);
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| 215 | };
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| 216 |
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| 217 | /**
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| 218 | * NIC(Network Interface Card)
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| 219 | */
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| 220 | class nic
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| 221 | {
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| 222 | public:
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| 223 | /**
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| 224 | * get mac address
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| 225 | * @return mac address
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| 226 | * @throw cf::exception
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| 227 | */
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| 228 | static std::string getMACAddress()
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| 229 | throw (cf::exception);
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| 230 | };
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| 231 |
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| 232 | /**
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| 233 | * byteOrder
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| 234 | */
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| 235 | class byteOrder
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| 236 | {
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| 237 | public:
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| 238 | /**
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| 239 | * host to network long
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| 240 | * @return long for network
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| 241 | * @param long for host
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| 242 | */
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| 243 | static cf::uint32_t htonl(cf::uint32_t in);
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| 244 |
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| 245 | /**
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| 246 | * host to network short
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| 247 | * @return short for network
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| 248 | * @param short for host
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| 249 | */
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| 250 | static cf::uint16_t htons(cf::uint16_t in);
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| 251 |
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| 252 | /**
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| 253 | * network to host long
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| 254 | * @return long for host
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| 255 | * @param long for network
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| 256 | */
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| 257 | static cf::uint32_t ntohl(cf::uint32_t in);
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| 258 |
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| 259 | /**
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| 260 | * network to host short
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| 261 | * @return short for host
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| 262 | * @param short for network
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| 263 | */
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| 264 | static cf::uint16_t ntohs(cf::uint16_t in);
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| 265 | };
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| 266 | }
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| 267 | }
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| 268 |
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| 269 | #endif // #ifndef __tcp_h__
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