**breaking** mini-ndn: re-design

refs: #5062

Everything is now done through examples like Mininet.
bin/minindn no longer provided as a binary installed in the system
bin/minindnedit GUI: will no longer be maintained
Remove cluster edition, will be re-introduced later

Change-Id: Id4ef137cb2a04d1b0dd24d01941757363bbf7d26
diff --git a/minindn/apps/nfd.py b/minindn/apps/nfd.py
new file mode 100644
index 0000000..7130526
--- /dev/null
+++ b/minindn/apps/nfd.py
@@ -0,0 +1,74 @@
+# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+#
+# Copyright (C) 2015-2019, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
+#
+# This file is part of Mini-NDN.
+# See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
+#
+# Mini-NDN 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 3 of the License, or
+# (at your option) any later version.
+#
+# Mini-NDN 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 Mini-NDN, e.g., in COPYING.md file.
+# If not, see <http://www.gnu.org/licenses/>.
+
+from minindn.apps.application import Application
+from minindn.util import copyExistentFile
+from minindn.minindn import Minindn
+
+class Nfd(Application):
+
+    def __init__(self, node, logLevel='NONE', csSize=65536,
+                 csPolicy='lru', csUnsolicitedPolicy='drop-all'):
+        Application.__init__(self, node)
+
+        self.logLevel = node.params['params'].get('nfd-log-level', logLevel)
+
+        self.confFile = '{}/nfd.conf'.format(self.homeDir)
+        self.logFile = 'nfd.log'
+        self.sockFile = '/var/run/{}.sock'.format(node.name)
+        self.ndnFolder = '{}/.ndn'.format(self.homeDir)
+        self.clientConf = '{}/client.conf'.format(self.ndnFolder)
+
+        # Copy nfd.conf file from /usr/local/etc/ndn or /etc/ndn to the node's home directory
+        # Use nfd.conf as default configuration for NFD, else use the sample
+        possibleConfPaths = ['/usr/local/etc/ndn/nfd.conf.sample', '/usr/local/etc/ndn/nfd.conf',
+                             '/etc/ndn/nfd.conf.sample', '/etc/ndn/nfd.conf']
+        copyExistentFile(node, possibleConfPaths, self.confFile)
+
+        # Set log level
+        node.cmd('infoedit -f {} -s log.default_level -v {}'.format(self.confFile, self.logLevel))
+        # Open the conf file and change socket file name
+        node.cmd('infoedit -f {} -s face_system.unix.path -v {}'.format(self.confFile, self.sockFile))
+
+        # Set CS parameters
+        node.cmd('infoedit -f {} -s tables.cs_max_packets -v {}'.format(self.confFile, csSize))
+        node.cmd('infoedit -f {} -s tables.cs_policy -v {}'.format(self.confFile, csPolicy))
+        node.cmd('infoedit -f {} -s tables.cs_unsolicited_policy -v {}'.format(self.confFile, csUnsolicitedPolicy))
+
+        # Make NDN folder
+        node.cmd('mkdir -p {}'.format(self.ndnFolder))
+
+        # Copy client configuration to host
+        possibleClientConfPaths = ['/usr/local/etc/ndn/client.conf.sample', '/etc/ndn/client.conf.sample']
+        copyExistentFile(node, possibleClientConfPaths, self.clientConf)
+
+        # Change the unix socket
+        node.cmd('sudo sed -i "s|nfd.sock|{}.sock|g" {}'.format(node.name, self.clientConf))
+
+        if not Minindn.ndnSecurityDisabled:
+            # Generate key and install cert for /localhost/operator to be used by NFD
+            node.cmd('ndnsec-keygen /localhost/operator | ndnsec-install-cert -')
+
+    def start(self):
+        Application.start(self, 'nfd --config {}'.format(self.confFile), logfile=self.logFile)
+        Minindn.sleep(2)