#ifndef ucoo_arch_host_mex_mex_socket_hh #define ucoo_arch_host_mex_mex_socket_hh // ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2012 Nicolas Schodet // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // // }}} #include "mex_msg.hh" namespace ucoo { namespace mex { /// Mex socket, able to read and write messages. class Socket : public MsgReader, public MsgWriter { public: /// Default constructor. Socket () : fd_ (-1), read_size_ (-1) { } /// Destructor, close the connection. ~Socket (); /// Connect to Mex hub. void connect (); /// See MsgReader::size. int size (); /// See MsgReader::read. void read (char *buf); /// See MsgWriter::write. void write (const char *buf, int count); private: /// File descriptor to open socket, or -1 if not open. int fd_; /// Size of the next message to be read, or -1 if not known yet. int read_size_; /// This socket sequence number. int seq_; }; } // namespace mex } // namespace ucoo #endif // ucoo_arch_host_mex_mex_socket_hh