// ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2012 Nicolas Schodet // // APBTeam: // Web: http://apbteam.org/ // Email: team AT apbteam DOT org // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // }}} #include "mex_socket.hh" #include "ucoolib/common.hh" #include "config/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 UCOO_CONFIG_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