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First commit.

Change-Id: I6dbddb3aec8f51f83bbf918d12d854b40754b9d5
changes/65/455365/3
Nicola Peditto 5 years ago
parent
commit
c6b06b7b08
  1. 11
      .gitignore
  2. 17
      CONTRIBUTING.rst
  3. 4
      HACKING.rst
  4. 175
      LICENSE
  5. 6
      MANIFEST.in
  6. 20
      README.rst
  7. 1
      babel.cfg
  8. 75
      doc/source/conf.py
  9. 4
      doc/source/contributing.rst
  10. 24
      doc/source/index.rst
  11. 12
      doc/source/installation.rst
  12. 1
      doc/source/readme.rst
  13. 7
      doc/source/usage.rst
  14. 73
      etc/init.d/lightning-rod
  15. 3
      etc/iotronic/iotronic.conf
  16. 17
      etc/systemd/system/s4t-lightning-rod.service
  17. 165
      iotronic_lightningrod/Board.py
  18. 0
      iotronic_lightningrod/__init__.py
  19. 0
      iotronic_lightningrod/common/__init__.py
  20. 79
      iotronic_lightningrod/common/exception.py
  21. 28
      iotronic_lightningrod/config.py
  22. 36
      iotronic_lightningrod/devices/Device.py
  23. 0
      iotronic_lightningrod/devices/__init__.py
  24. 45
      iotronic_lightningrod/devices/gpio/Gpio.py
  25. 0
      iotronic_lightningrod/devices/gpio/__init__.py
  26. 36
      iotronic_lightningrod/devices/gpio/server.py
  27. 213
      iotronic_lightningrod/devices/gpio/yun.py
  28. 55
      iotronic_lightningrod/devices/server.py
  29. 72
      iotronic_lightningrod/devices/yun.py
  30. 656
      iotronic_lightningrod/lightningrod.py
  31. 42
      iotronic_lightningrod/modules/Module.py
  32. 0
      iotronic_lightningrod/modules/__init__.py
  33. 81
      iotronic_lightningrod/modules/device_manager.py
  34. 817
      iotronic_lightningrod/modules/plugin_manager.py
  35. 42
      iotronic_lightningrod/modules/test.py
  36. 119
      iotronic_lightningrod/modules/utils.py
  37. 162
      iotronic_lightningrod/modules/vfs_library.py
  38. 508
      iotronic_lightningrod/modules/vfs_manager.py
  39. 83
      iotronic_lightningrod/plugins/Plugin.py
  40. 50
      iotronic_lightningrod/plugins/PluginSerializer.py
  41. 0
      iotronic_lightningrod/plugins/__init__.py
  42. 63
      iotronic_lightningrod/plugins/pluginApis.py
  43. 70
      iotronic_lightningrod/plugins/plugins_examples/demo.py
  44. 3
      iotronic_lightningrod/plugins/plugins_examples/runner.json
  45. 35
      iotronic_lightningrod/plugins/plugins_examples/runner.py
  46. 13
      iotronic_lightningrod/plugins/plugins_examples/smartme.json
  47. 409
      iotronic_lightningrod/plugins/plugins_examples/smartme.py
  48. 32
      iotronic_lightningrod/plugins/plugins_examples/zero.py
  49. 54
      iotronic_lightningrod/wampmessage.py
  50. 8
      opt/stack4things/plugins.example.json
  51. 13
      opt/stack4things/settings.example.json
  52. 9
      requirements.txt
  53. 60
      setup.cfg
  54. 31
      setup.py
  55. 18
      test-requirements.txt
  56. 40
      tox.ini

11
.gitignore vendored

@ -0,0 +1,11 @@
*.pyc
.directory
*.swp
*~
.tox/
.idea/
iotronic_lightningrod.egg-info
build
AUTHORS
Authors
ChangeLog

17
CONTRIBUTING.rst

@ -0,0 +1,17 @@
If you would like to contribute to the development of OpenStack, you must
follow the steps in this page:
http://docs.openstack.org/infra/manual/developers.html
If you already have a good understanding of how the system works and your
OpenStack accounts are set up, you can skip to the development workflow
section of this documentation to learn how changes to OpenStack should be
submitted for review via the Gerrit tool:
http://docs.openstack.org/infra/manual/developers.html#development-workflow
Pull requests submitted through GitHub will be ignored.
Bugs should be filed on Launchpad, not GitHub:
https://bugs.launchpad.net/iotronic-lightning-rod

4
HACKING.rst

@ -0,0 +1,4 @@
iotronic_lightningrod Style Commandments
===============================================
Read the OpenStack Style Commandments http://docs.openstack.org/developer/hacking/

175
LICENSE

@ -0,0 +1,175 @@
Apache License
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http://www.apache.org/licenses/
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8. Limitation of Liability. In no event and under no legal theory,
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unless required by applicable law (such as deliberate and grossly
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6
MANIFEST.in

@ -0,0 +1,6 @@
include AUTHORS
include ChangeLog
exclude .gitignore
exclude .gitreview
global-exclude *.pyc

20
README.rst

@ -0,0 +1,20 @@
===============================
Iotronic Lightning-rod Agent
===============================
Python implementation of Lightning-rod Agent,
the Stack4Things (http://stack4things.unime.it/) board-side probe.
Please fill here a long description which must be at least 3 lines wrapped on
80 cols, so that distribution package maintainers can use it in their packages.
Note that this is a hard requirement.
* Free software: Apache license
* Documentation: http://docs.openstack.org/developer/iotronic_lightningrod
* Source: https://github.com/openstack/iotronic-lightning-rod
* Bugs: https://bugs.launchpad.net/iotronic-lightning-rod
Features
--------
* TODO

1
babel.cfg

@ -0,0 +1 @@
[python: **.py]

75
doc/source/conf.py

@ -0,0 +1,75 @@
# -*- coding: utf-8 -*-
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
sys.path.insert(0, os.path.abspath('../..'))
# -- General configuration ----------------------------------------------------
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
extensions = [
'sphinx.ext.autodoc',
#'sphinx.ext.intersphinx',
'oslosphinx'
]
# autodoc generation is a bit aggressive and a nuisance when doing heavy
# text edit cycles.
# execute "export SPHINX_DEBUG=1" in your terminal to disable
# The suffix of source filenames.
source_suffix = '.rst'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'iotronic_lightningrod'
copyright = u'2016, OpenStack Foundation'
# If true, '()' will be appended to :func: etc. cross-reference text.
add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
add_module_names = True
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# -- Options for HTML output --------------------------------------------------
# The theme to use for HTML and HTML Help pages. Major themes that come with
# Sphinx are currently 'default' and 'sphinxdoc'.
# html_theme_path = ["."]
# html_theme = '_theme'
# html_static_path = ['static']
# Output file base name for HTML help builder.
htmlhelp_basename = '%sdoc' % project
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title, author, documentclass
# [howto/manual]).
latex_documents = [
('index',
'%s.tex' % project,
u'%s Documentation' % project,
u'OpenStack Foundation', 'manual'),
]
# Example configuration for intersphinx: refer to the Python standard library.
#intersphinx_mapping = {'http://docs.python.org/': None}

4
doc/source/contributing.rst

@ -0,0 +1,4 @@
============
Contributing
============
.. include:: ../../CONTRIBUTING.rst

24
doc/source/index.rst

@ -0,0 +1,24 @@
.. iotronic_lightningrod documentation master file, created by
sphinx-quickstart on Tue Jul 9 22:26:36 2013.
You can adapt this file completely to your liking, but it should at least
contain the root `toctree` directive.
Welcome to iotronic_lightningrod's documentation!
========================================================
Contents:
.. toctree::
:maxdepth: 2
readme
installation
usage
contributing
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`

12
doc/source/installation.rst

@ -0,0 +1,12 @@
============
Installation
============
At the command line::
$ pip install iotronic_lightningrod
Or, if you have virtualenvwrapper installed::
$ mkvirtualenv iotronic_lightningrod
$ pip install iotronic_lightningrod

1
doc/source/readme.rst

@ -0,0 +1 @@
.. include:: ../../README.rst

7
doc/source/usage.rst

@ -0,0 +1,7 @@
========
Usage
========
To use iotronic_lightningrod in a project::
import iotronic_lightningrod

73
etc/init.d/lightning-rod

@ -0,0 +1,73 @@
#!/bin/ash
workdir=/usr/bin
start() {
cd $workdir
pid=`ps www | grep "/usr/bin/python $workdir/lightning-rod" | grep -v grep | awk '{ print $1 }'`
if [ -r $pid ]; then
/usr/bin/python $workdir/lightning-rod &
sleep 2
pid=`ps www | grep "/usr/bin/python $workdir/lightning-rod" | grep -v grep | awk '{ print $1 }'`
echo "PID:" $pid
echo "Lightning-rod is started."
else
echo "Lightning-rod is already started with PID $pid."
fi
}
stop() {
pid=`ps www | grep "/usr/bin/python $workdir/lightning-rod" | grep -v grep | awk '{ print $1 }'`
if [ -r $pid ]; then
echo "Lightning-rod is already stopped!"
else
echo "PID:" $pid
kill -9 $pid
sleep 2
echo "Lightning-rod stopped."
fi
}
status(){
pid=`ps www | grep "/usr/bin/python $workdir/lightning-rod" | grep -v grep | awk '{ print $1 }'`
if [ -r $pid ]; then
echo "Lightning-rod is stopped."
else
echo "PID:" $pid
echo "Lightning-rod is started."
fi
}
file:///home/webwolf/Scrivania/Stack4Things/test_ipk/s4t-lr
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
status)
status
;;
*)
echo "Usage: /etc/init.d/lightning-rod {start|stop|restart|status}"
exit 1
esac
exit 0

3
etc/iotronic/iotronic.conf

@ -0,0 +1,3 @@
[DEFAULT]
debug = True
log_file = /var/log/s4t-lightning-rod.log

17
etc/systemd/system/s4t-lightning-rod.service

@ -0,0 +1,17 @@
[Unit]
Description=Iotronic Lightning-Rod
After=network.target
[Service]
Type=simple
User=root
Group=root
StandardInput=null
StandardOutput=journal
StandardError=journal
WorkingDirectory=/usr/bin/
ExecStart=/usr/bin/python /usr/bin/lightning-rod
Restart=on-abort
[Install]
WantedBy=multi-user.target

165
iotronic_lightningrod/Board.py

@ -0,0 +1,165 @@
# Copyright 2017 MDSLAB - University of Messina
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from datetime import datetime
# from dateutil.tz import tzlocal
import json
import os
from iotronic_lightningrod.config import iotronic_home
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
SETTINGS = iotronic_home + '/settings.json'
class Board(object):
def __init__(self):
self.iotronic_config = {}
self.board_config = {}
self.name = None
self.type = None
self.status = None
self.uuid = None
self.code = None
self.agent = None
self.mobile = None
self.session = None
self.session_id = None
self.location = {}
self.device = None
self.wamp_config = None
self.extra = {}
self.loadSettings()
def loadConf(self):
"""This method loads the JSON configuraton file: settings.json.
:return:
"""
try:
with open(SETTINGS) as settings:
lr_settings = json.load(settings)
except Exception as err:
LOG.error("Parsing error in " + SETTINGS + ": " + str(err))
lr_settings = None
return lr_settings
def loadSettings(self):
'''This method gets and sets the board attributes from the conf file.
'''
# Load all settings.json file
self.iotronic_config = self.loadConf()
try:
# STATUS OPERATIVE
board_config = self.iotronic_config['iotronic']['board']
self.uuid = board_config['uuid']
self.code = board_config['code']
self.name = board_config['name']
self.status = board_config['status']
self.type = board_config['type']
self.mobile = board_config['mobile']
self.extra = board_config['extra']
self.agent = board_config['agent']
self.created_at = board_config['created_at']
self.updated_at = board_config['updated_at'] # self.getTimestamp()
self.location = board_config['location']
self.extra = self.iotronic_config['iotronic']['extra']
LOG.info('Board settings:')
LOG.info(' - code: ' + str(self.code))
LOG.info(' - uuid: ' + str(self.uuid))
# LOG.debug(" - conf:\n" + json.dumps(board_config, indent=4))
self.getWampAgent(self.iotronic_config)
except Exception as err:
LOG.warning("settings.json file exception: " + str(err))
# STATUS REGISTERED
try:
self.code = board_config['code']
LOG.info('First registration board settings: ')
LOG.info(' - code: ' + str(self.code))
self.getWampAgent(self.iotronic_config)
except Exception as err:
LOG.error("Wrong code: " + str(err))
os._exit(1)
def getWampAgent(self, config):
'''This method gets and sets the WAMP Board attributes from the conf file.
'''
try:
self.wamp_config = config['iotronic']['wamp']['main-agent']
LOG.info('WAMP Agent settings:')
except Exception:
if (self.status is None) | (self.status == "registered"):
self.wamp_config = \
config['iotronic']['wamp']['registration-agent']
LOG.info('Registration Agent settings:')
else:
LOG.error(
"WAMP Agent configuration is wrong... "
"please check settings.json WAMP configuration... Bye!"
)
os._exit(1)
LOG.info(' - agent: ' + str(self.agent))
LOG.info(' - url: ' + str(self.wamp_config['url']))
LOG.info(' - realm: ' + str(self.wamp_config['realm']))
# LOG.debug("- conf:\n" + json.dumps(self.wamp_config, indent=4))
def setConf(self, conf):
# LOG.info("\nNEW CONFIGURATION:\n" + str(json.dumps(conf, indent=4)))
with open(SETTINGS, 'w') as f:
json.dump(conf, f, indent=4)
# Reload configuration
self.loadSettings()
def updateStatus(self, status):
self.iotronic_config['iotronic']['board']["status"] = status
with open(SETTINGS, 'w') as f:
json.dump(self.iotronic_config, f, indent=4)
def getTimestamp(self):
# datetime.now(tzlocal()).isoformat()
return datetime.now().strftime('%Y-%m-%dT%H:%M:%S.%f')
def setUpdateTime(self):
self.iotronic_config['iotronic']['board']["updated_at"] = \
self.updated_at
with open(SETTINGS, 'w') as f:
json.dump(self.iotronic_config, f, indent=4)

0
iotronic_lightningrod/__init__.py

0
iotronic_lightningrod/common/__init__.py

79
iotronic_lightningrod/common/exception.py

@ -0,0 +1,79 @@
# Copyright 2017 MDSLAB - University of Messina
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os
import signal
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
def manageTimeout(error_message, action):
try:
raise TimeoutError(error_message, action)
except TimeoutError as err:
details = err.args[0]
LOG.warning("Board connection call timeout: " + str(details))
os._exit(1)
class TimeoutError(Exception):
def __init__(self, message, action):
# Call the base class constructor with the parameters it needs
super(TimeoutError, self).__init__(message)
# Now for your custom code...
self.action = action
class timeout(object):
def __init__(self, seconds=1, error_message='Timeout', action=None):
self.seconds = seconds
self.error_message = error_message
self.action = action
def handle_timeout(self, signum, frame):
raise TimeoutError(self.error_message, self.action)
def __enter__(self):
signal.signal(signal.SIGALRM, self.handle_timeout)
signal.alarm(self.seconds)
def __exit__(self, type, value, traceback):
signal.alarm(0)
class timeoutRPC(object):
def __init__(self, seconds=1, error_message='Timeout', action=None):
self.seconds = seconds
self.error_message = error_message
self.action = action
def handle_timeout(self, signum, frame):
manageTimeout(self.error_message, self.action)
# LOG.warning("RPC timeout: " + str(self.error_message))
# os._exit(1)
def __enter__(self):
signal.signal(signal.SIGALRM, self.handle_timeout)
signal.alarm(self.seconds)
def __exit__(self, type, value, traceback):
signal.alarm(0)

28
iotronic_lightningrod/config.py

@ -0,0 +1,28 @@
# Copyright 2017 MDSLAB - University of Messina
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os
import pkg_resources
dist = pkg_resources.get_distribution(__package__)
entry_points_name = \
os.path.join(dist.location, dist.egg_name()) + ".egg-info/entry_points.txt"
# Iotronic python package folder
package_path = os.path.join(dist.location, __package__)
# Iotronic home folder
iotronic_home = "/opt/stack4things/iotronic"

36
iotronic_lightningrod/devices/Device.py

@ -0,0 +1,36 @@
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
__author__ = "MDSLAB Team"
import abc
import six
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
@six.add_metaclass(abc.ABCMeta)
class Device(object):
"""Base class for each s4t Lightning-rod device.
"""
def __init__(self, device_type):
self.device_type = device_type
def finalize(self):
pass

0
iotronic_lightningrod/devices/__init__.py

45
iotronic_lightningrod/devices/gpio/Gpio.py

@ -0,0 +1,45 @@
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
import six
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
from iotronic_lightningrod.config import package_path
@six.add_metaclass(abc.ABCMeta)
class Gpio(object):
def __init__(self, name):
self.name = name
self.path = package_path + "/gpio/" + self.name + ".py"
@abc.abstractmethod
def EnableGPIO(self):
"""Enable reading and writing functionalities of the GPIO module
:return: status of the operation (String)
"""
@abc.abstractmethod
def DisableGPIO(self):
"""Disable reading and writing functionalities of the GPIO module
:return: status of the operation (String)
"""

0
iotronic_lightningrod/devices/gpio/__init__.py

36
iotronic_lightningrod/devices/gpio/server.py

@ -0,0 +1,36 @@
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_log import log as logging
from iotronic_lightningrod.devices.gpio import Gpio
LOG = logging.getLogger(__name__)
class ServerGpio(Gpio.Gpio):
def __init__(self):
super(ServerGpio, self).__init__("server")
LOG.info("Server GPIO module importing...")
# Enable GPIO
def EnableGPIO(self):
result = ' - GPIO not available for server device!'
LOG.info(result)
def DisableGPIO(self):
result = ' - GPIO not available for server device!'
LOG.info(result)

213
iotronic_lightningrod/devices/gpio/yun.py

@ -0,0 +1,213 @@
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from iotronic_lightningrod.devices.gpio import Gpio
import os
import time
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
i2c_path = "/sys/devices/mcuio/0:0.0/0:1.4/i2c-0"
device1_path = i2c_path + "/0-0060/iio:device1/"
device0_path = "/sys/bus/iio/devices/iio:device0/"
class YunGpio(Gpio.Gpio):
def __init__(self):
super(YunGpio, self).__init__("yun")
self.MAPPING = {
'D8': '104',
'D9': '105',
'D10': '106',
'D11': '107',
'D5': '114',
'D13': '115',
'D3': '116',
'D2': '117',
'D4': '120',
'D12': '122',
'D6': '123'}
# LOG.info("Arduino YUN gpio module importing...")
def EnableGPIO(self):
"""Enable GPIO (device0).
"""
try:
with open('/sys/bus/iio/devices/iio:device0/enable', 'a') as f:
f.write('1')
result = " - GPIO enabled!\n"
LOG.info(result)
except Exception as err:
LOG.error("Error enabling GPIO (device0): " + str(err))
def DisableGPIO(self):
"""Disable GPIO (device0).
"""
try:
with open('/sys/bus/iio/devices/iio:device0/enable', 'a') as f:
f.write('0')
result = " - GPIO disabled!\n"
LOG.info(result)
except Exception as err:
LOG.error("Error disabling GPIO (device0): " + str(err))
def EnableI2c(self):
"""Enable i2c device (device1).
From ideino-linino-lib library:
Board.prototype.addI2c = function(name, driver, addr, bus)
board.addI2c('BAR', 'mpl3115', '0x60', 0):
- i2c_device.driver: mpl3115
- i2c_device.addr: 0x60
- i2c_device.name: BAR
- i2c_device.bus: 0
"""
try:
if os.path.exists('/sys/bus/i2c/devices/i2c-0/0-0060'):
result = " - I2C device already enabled!"
else:
with open('/sys/bus/i2c/devices/i2c-0/new_device', 'a') as f:
# 'echo '+i2c_device.driver+' '+i2c_device.addr+ '
f.write('mpl3115 0x60')
result = " - I2C device enabled!"
LOG.info(result)
except Exception as err:
LOG.error("Error enabling I2C (device1): " + str(err))
def i2cRead(self, sensor):
"""Read i2c raw value.
sensor options:
- in_pressure_raw
- in_temp_raw
:param sensor: name of the sensor connected to I2C port
:return: I2C raw value
"""
try:
with open(device1_path + "in_" + sensor + "_raw") as raw:
value = raw.read()
except Exception as err:
LOG.error("Error reading I2C device: " + str(err))
value = None
return value
def setPIN(self, DPIN, value):
"""Function to set digital PIN value.
:param DPIN: pin
:param value: value to set the pin
"""
try:
with open('/sys/class/gpio/' + DPIN + '/value', 'a') as f:
f.write(value)
except Exception as err:
LOG.error("Error setting PIN value: " + str(err))
def _setGPIOs(self, Dpin, direction, value):
"""GPIO mapping on lininoIO
-------------------------
GPIO n. OUTPUT
104 D8
105 D9
106 D10
107 D11
114 D5
115 D13
116 D3
117 D2
120 D4
122 D12
123 D6
"""
try:
with open('/sys/class/gpio/export', 'a') as f_export:
f_export.write(self.MAPPING[Dpin])
with open('/sys/class/gpio/' + Dpin + '/direction', 'a') as f_dir:
f_dir.write(direction)
with open('/sys/class/gpio/' + Dpin + '/value', 'a') as f_value:
f_value.write(value)
with open('/sys/class/gpio/' + Dpin + '/value') as f_value:
result = "PIN " + Dpin + " value " + f_value.read()
except Exception as err:
LOG.error("Error setting GPIO value: " + str(err))
result = None
return result
def _readVoltage(self, pin):
try:
with open(device0_path + "in_voltage_" + pin + "_raw") as raw:
voltage = raw.read()
# print("VOLTAGE: " + voltage)
except Exception as err:
LOG.error("Error reading voltage: " + str(err))
voltage = None
return voltage
def blinkLed(self):
"""LED: 13. There is a built-in LED connected to digital pin 13.
When the pin has HIGH value, the LED is on,
when the pin has LOW value, it is off.
"""
with open('/sys/class/gpio/export', 'a') as f:
f.write('115')
with open('/sys/class/gpio/D13/direction', 'a') as f:
f.write('out')
with open('/sys/class/gpio/D13/value', 'a') as f:
f.write('1')
time.sleep(2)
with open('/sys/class/gpio/D13/value', 'a') as f:
f.write('0')

55
iotronic_lightningrod/devices/server.py

@ -0,0 +1,55 @@
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import inspect
from twisted.internet.defer import returnValue
from iotronic_lightningrod.devices import Device
from iotronic_lightningrod.devices.gpio import server
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
def whoami():
return inspect.stack()[1][3]
def makeNothing():
pass
class System(Device.Device):
def __init__(self):
super(System, self).__init__("server")
server.ServerGpio().EnableGPIO()
def finalize(self):
"""Function called at the end of module loading (after RPC registration).
:return:
"""
pass
def testRPC(self):
rpc_name = whoami()
LOG.info("RPC " + rpc_name + " CALLED...")
yield makeNothing()
result = " - " + rpc_name + " result: testRPC is working!!!\n"
LOG.info(result)
returnValue(result)

72
iotronic_lightningrod/devices/yun.py

@ -0,0 +1,72 @@
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# Linino references: http://wiki.linino.org/doku.php?id=wiki:lininoio_sysfs
from twisted.internet.defer import returnValue
from iotronic_lightningrod.devices import Device
from iotronic_lightningrod.devices.gpio import yun
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
class System(Device.Device):
def __init__(self):
super(System, self).__init__("yun")
self.gpio = yun.YunGpio()
self.gpio.EnableGPIO()
def finalize(self):
"""Function called at the end of module loading (after RPC registration).
:return:
"""
pass
def testLED(self):
LOG.info(" - testLED CALLED...")
yield self.gpio.blinkLed()
result = "testLED: LED blinking!\n"
LOG.info(result)
returnValue(result)
def setGPIOs(self, Dpin, direction, value):
LOG.info(" - setGPIOs CALLED... digital pin " + Dpin
+ " (GPIO n. " + self.gpio.MAPPING[Dpin] + ")")
result = yield self.gpio._setGPIOs(Dpin, direction, value)
LOG.info(result)
returnValue(result)
def readVoltage(self, Apin):
"""To read the voltage applied on the pin A0,A1,A2,A3,A4,A5
"""
LOG.info(" - readVoltage CALLED... reading pin " + Apin)
voltage = self.gpio._readVoltage(Apin)
result = yield "read voltage for " + Apin + " pin: " + voltage
LOG.info(result)
returnValue(result)

656
iotronic_lightningrod/lightningrod.py

@ -0,0 +1,656 @@
# Copyright 2017 MDSLAB - University of Messina
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# Autobahn and Twisted imports
from autobahn.twisted import wamp
from autobahn.twisted.wamp import ApplicationSession
from autobahn.twisted import websocket
from autobahn.wamp import exception
from autobahn.wamp import types
from twisted.internet.defer import inlineCallbacks
from twisted.internet.protocol import ReconnectingClientFactory
from twisted.internet import reactor
# OSLO imports
from oslo_config import cfg
from oslo_log import log as logging
# MODULES imports
import inspect
import os
import pkg_resources
import signal
import socket
from stevedore import extension
import sys
# IoTronic imports
from iotronic_lightningrod.Board import Board
from iotronic_lightningrod.common.exception import timeoutRPC
import iotronic_lightningrod.wampmessage as WM
# Global variables
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
SESSION = None
global board
board = None
reconnection = False
RPC = {}
RPC_devices = {}
def moduleReloadInfo(session):
"""This function is used in the reconnection stage to register
again the RPCs of each module and for device.
:param session: WAMP session object.
"""
LOG.info("Modules reloading after WAMP recovery...")
try:
# Register RPCs for each Lightning-rod module
for mod in RPC:
LOG.info("- Reloading module RPcs for " + str(mod))
moduleWampRegister(session, RPC[mod])
# Register RPCs for the device
for dev in RPC_devices:
LOG.info("- Reloading device RPCs for " + str(dev))
moduleWampRegister(session, RPC_devices[dev])
except Exception as err:
LOG.warning("Board modules reloading error: " + str(err))
Bye()
def moduleWampRegister(session, meth_list):
"""This function register for each module methods the relative RPC.
:param session:
:param meth_list:
"""
if len(meth_list) == 2:
LOG.info(" - No procedures to register!")
else:
for meth in meth_list:
# We don't considere the __init__ and finalize methods
if (meth[0] != "__init__") & (meth[0] != "finalize"):
rpc_addr = u'iotronic.' + board.uuid + '.' + meth[0]
session.register(inlineCallbacks(meth[1]), rpc_addr)
LOG.info(" --> " + str(meth[0]))
# LOG.info(" --> " + str(rpc_addr))
def modulesLoader(session):
"""Modules loader method thorugh stevedore libraries.
:param session:
"""
LOG.info("Available modules: ")
ep = []
for ep in pkg_resources.iter_entry_points(group='s4t.modules'):
LOG.info(" - " + str(ep))
if not ep:
LOG.info("No modules available!")
sys.exit()
else:
modules = extension.ExtensionManager(
namespace='s4t.modules',
# invoke_on_load=True,
# invoke_args=(session,),
)
LOG.info('Modules to load:')
for ext in modules.extensions:
# LOG.debug(ext.name)
if (ext.name == 'gpio') & (board.type == 'server'):
LOG.info('- GPIO module disabled for laptop devices')
else:
mod = ext.plugin(board, session)
# Methods list for each module
meth_list = inspect.getmembers(mod, predicate=inspect.ismethod)
global RPC
RPC[mod.name] = meth_list
if len(meth_list) == 2:
# there are at least two methods for each module:
# "__init__" and "finalize"
LOG.info(" - No RPC to register for "
+ str(ext.name) + " module!")
else:
LOG.info(" - RPC list of " + str(mod.name) + ":")
moduleWampRegister(SESSION, meth_list)
# Call the finalize procedure for each module
mod.finalize()
LOG.info("Lightning-rod modules loaded.")
LOG.info("\n\nListening...")
@inlineCallbacks
def IotronicLogin(board, session, details):
"""Function called to connect the board to Iotronic.
The board:
1. logs in to Iotronic
2. loads the modules
:param board:
:param session:
:param details:
"""
LOG.info("IoTronic Authentication:")
global reconnection
global SESSION
SESSION = session
try:
rpc = str(board.agent) + u'.stack4things.connection'
with timeoutRPC(seconds=3, action=rpc):
res = yield session.call(rpc,
uuid=board.uuid,
session=details.session
)
w_msg = WM.deserialize(res)
if w_msg.result == WM.SUCCESS:
LOG.info(" - Access granted to Iotronic.")
# LOADING BOARD MODULES
try:
yield modulesLoader(session)
except Exception as e:
LOG.warning("WARNING - Could not register procedures: "
+ str(e))
# Reset flag to False
reconnection = False
else:
LOG.error(" - Access denied to Iotronic.")
Bye()
except exception.ApplicationError as e:
LOG.error(" - Iotronic Connection RPC error: " + str(e))
# Iotronic is offline the board can not call
# the "stack4things.connection" RPC.
# The board will disconnect from WAMP agent and retry later.
reconnection = True
session.disconnect()
except Exception as e:
LOG.warning("Iotronic board connection error: " + str(e))
class WampFrontend(ApplicationSession):
"""Function to manage the WAMP connection events.
"""
@inlineCallbacks
def onJoin(self, details):
"""Execute the following procedures when the board connects to WAMP server.
:param details: WAMP session details
"""
# LIGHTNING-ROD STATE: