// 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_socket.hh" #include "ucoo/common.hh" #include "config/ucoo/arch/host/mex.hh" #include "socket.h" #include #include namespace ucoo { namespace mex { Socket::~Socket () { if (fd_ != -1) close (fd_); } void Socket::connect () { fd_ = socket_client CONFIG_UCOO_ARCH_HOST_MEX_DEFAULT_ADDRESS; } int Socket::size () { uint8_t header[3]; int r = ::read (fd_, header, sizeof (header)); assert_perror (r != -1); if (r == 0) exit (0); else { assert (r == sizeof (header)); read_size_ = (header[0] << 8) | header[1]; seq_ = header[2]; return read_size_; } } void Socket::read (char *buf) { assert (fd_ != -1); assert (read_size_ > 0); int r = ::read (fd_, buf, read_size_); assert_perror (r != -1); assert (r == read_size_); read_size_ = -1; } void Socket::write (const char *buf, int count) { assert (fd_ != -1); assert (read_size_ == -1); uint8_t header[3]; header[0] = count >> 8; header[1] = count; header[2] = seq_; int r = ::write (fd_, header, sizeof (header)); assert_perror (r != -1); assert (r == sizeof (header)); r = ::write (fd_, buf, count); assert_perror (r != -1); assert (r == count); } } // namespace mex } // namespace ucoo