summaryrefslogtreecommitdiff
path: root/digital/ucoolib/ucoolib/arch/host/mex/mex_socket.host.cc
diff options
context:
space:
mode:
Diffstat (limited to 'digital/ucoolib/ucoolib/arch/host/mex/mex_socket.host.cc')
-rw-r--r--digital/ucoolib/ucoolib/arch/host/mex/mex_socket.host.cc95
1 files changed, 95 insertions, 0 deletions
diff --git a/digital/ucoolib/ucoolib/arch/host/mex/mex_socket.host.cc b/digital/ucoolib/ucoolib/arch/host/mex/mex_socket.host.cc
new file mode 100644
index 00000000..15bff8a8
--- /dev/null
+++ b/digital/ucoolib/ucoolib/arch/host/mex/mex_socket.host.cc
@@ -0,0 +1,95 @@
+// 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 <unistd.h>
+#include <cstdlib>
+
+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