tester: Change to a simpler TFTP server

- Add a simpler TFTP to allow parallel test hardware

- Remove the imported tftpy server

Closes #4063

tester/rtems-tftp-server

@@ -0,0 +1,45 @@
+#! /usr/bin/env python
+# SPDX-License-Identifier: BSD-2-Clause
+'''A command line standalone TFTP Server. This is useful when testing
+and setting up a TFTP target.'''
+
+# Copyright (C) 2020 Chris Johns (chrisj@rtems.org)
+#
+# 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 OWNER 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.
+
+# pylint: disable=invalid-name
+
+from __future__ import print_function
+
+import os
+import sys
+
+base = os.path.dirname(os.path.abspath(sys.argv[0]))
+rtems = os.path.dirname(base)
+sys.path = [rtems] + sys.path
+
+try:
+    import rt.tftpserver
+    rt.tftpserver.run(sys.argv)
+except ImportError:
+    print("Incorrect RTEMS Tools installation", file=sys.stderr)
+    sys.exit(1)