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+#
+# RTEMS Tools Project (http://www.rtems.org/)
+# Copyright 2013-2017 Chris Johns (chrisj@rtems.org)
+# All rights reserved.
+#
+# This file is part of the RTEMS Tools package in 'rtems-tools'.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+#
+# RTEMS Testing Consoles
+#
+
+import os
+import sys
+import telnetlib
+
+from rtemstoolkit import error
+from rtemstoolkit import host
+from rtemstoolkit import path
+
+class tty:
+
+ def __init__(self, dev):
+ self.dev = dev
+ self.conn = None
+ ds = dev.split(':')
+ self.host = ds[0]
+ if len(ds) == 1:
+ self.port = 23
+ else:
+ try:
+ self.port = int(ds[1])
+ except:
+ raise error.general('invalid port: %s' % (dev))
+ try:
+ self.conn = telnetlib.Telnet(self.host, self.port, 5)
+ except IOError as ioe:
+ raise error.general('opening telnet dev: %s: %s' % (dev, ioe))
+ except:
+ raise error.general('opening telnet dev: %s: unknown' % (dev))
+
+ def __del__(self):
+ if self.conn:
+ try:
+ self.conn.close()
+ except:
+ pass
+
+ def __str__(self):
+ s = 'host: %s port: %d' % ((self.host, self.port))
+ return s
+
+ def off(self):
+ self.is_on = False
+
+ def on(self):
+ self.is_on = True
+
+ def set(self, flags):
+ pass
+
+ def read(self):
+ try:
+ data = self.conn.read_very_eager()
+ except EOFError:
+ data = ''
+ return data
+
+if __name__ == "__main__":
+ if len(sys.argv) == 2:
+ import time
+ t = tty(sys.argv[1])
+ print(t)
+ while True:
+ time.sleep(0.05)
+ c = t.read()
+ sys.stdout.write(c)