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			279 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			279 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #!/usr/bin/env python
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| #
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| # Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| #
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| 
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| from __future__ import print_function
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| 
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| import argparse
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| import os
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| import ssl
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| import struct
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| import sys
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| from builtins import input
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| 
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| import proto
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| from future.utils import tobytes
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| 
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| # The tools directory is already in the PATH in environment prepared by install.sh which would allow to import
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| # esp_prov as file but not as complete module.
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| sys.path.insert(0, os.path.join(os.environ['IDF_PATH'], 'tools/esp_prov'))
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| import esp_prov  # noqa: E402
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| 
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| # Set this to true to allow exceptions to be thrown
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| config_throw_except = False
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| 
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| 
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| # Property types enum
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| PROP_TYPE_TIMESTAMP = 0
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| PROP_TYPE_INT32     = 1
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| PROP_TYPE_BOOLEAN   = 2
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| PROP_TYPE_STRING    = 3
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| 
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| 
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| # Property flags enum
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| PROP_FLAG_READONLY = (1 << 0)
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| 
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| 
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| def prop_typestr(prop):
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|     if prop['type'] == PROP_TYPE_TIMESTAMP:
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|         return 'TIME(us)'
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|     elif prop['type'] == PROP_TYPE_INT32:
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|         return 'INT32'
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|     elif prop['type'] == PROP_TYPE_BOOLEAN:
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|         return 'BOOLEAN'
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|     elif prop['type'] == PROP_TYPE_STRING:
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|         return 'STRING'
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|     return 'UNKNOWN'
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| 
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| 
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| def encode_prop_value(prop, value):
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|     try:
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|         if prop['type'] == PROP_TYPE_TIMESTAMP:
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|             return struct.pack('q', value)
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|         elif prop['type'] == PROP_TYPE_INT32:
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|             return struct.pack('i', value)
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|         elif prop['type'] == PROP_TYPE_BOOLEAN:
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|             return struct.pack('?', value)
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|         elif prop['type'] == PROP_TYPE_STRING:
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|             return tobytes(value)
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|         return value
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|     except struct.error as e:
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|         print(e)
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|     return None
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| 
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| 
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| def decode_prop_value(prop, value):
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|     try:
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|         if prop['type'] == PROP_TYPE_TIMESTAMP:
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|             return struct.unpack('q', value)[0]
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|         elif prop['type'] == PROP_TYPE_INT32:
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|             return struct.unpack('i', value)[0]
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|         elif prop['type'] == PROP_TYPE_BOOLEAN:
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|             return struct.unpack('?', value)[0]
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|         elif prop['type'] == PROP_TYPE_STRING:
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|             return value.decode('latin-1')
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|         return value
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|     except struct.error as e:
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|         print(e)
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|     return None
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| 
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| 
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| def str_to_prop_value(prop, strval):
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|     try:
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|         if prop['type'] == PROP_TYPE_TIMESTAMP:
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|             return int(strval)
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|         elif prop['type'] == PROP_TYPE_INT32:
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|             return int(strval)
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|         elif prop['type'] == PROP_TYPE_BOOLEAN:
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|             return bool(strval)
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|         elif prop['type'] == PROP_TYPE_STRING:
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|             return strval
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|         return strval
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|     except ValueError as e:
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|         print(e)
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|         return None
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| 
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| 
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| def prop_is_readonly(prop):
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|     return (prop['flags'] & PROP_FLAG_READONLY) != 0
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| 
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| 
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| def on_except(err):
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|     if config_throw_except:
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|         raise RuntimeError(err)
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|     else:
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|         print(err)
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| 
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| 
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| def get_transport(sel_transport, service_name, check_hostname):
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|     try:
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|         tp = None
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|         if (sel_transport == 'http'):
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|             example_path = os.environ['IDF_PATH'] + '/examples/protocols/esp_local_ctrl'
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|             cert_path = example_path + '/main/certs/rootCA.pem'
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|             ssl_ctx = ssl.create_default_context(cafile=cert_path)
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|             ssl_ctx.check_hostname = check_hostname
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|             tp = esp_prov.transport.Transport_HTTP(service_name, ssl_ctx)
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|         elif (sel_transport == 'ble'):
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|             tp = esp_prov.transport.Transport_BLE(
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|                 devname=service_name, service_uuid='0000ffff-0000-1000-8000-00805f9b34fb',
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|                 nu_lookup={'esp_local_ctrl/version': '0001',
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|                            'esp_local_ctrl/session': '0002',
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|                            'esp_local_ctrl/control': '0003'}
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|             )
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|         return tp
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|     except RuntimeError as e:
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|         on_except(e)
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|         return None
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| 
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| 
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| def version_match(tp, expected, verbose=False):
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|     try:
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|         response = tp.send_data('esp_local_ctrl/version', expected)
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|         return (response.lower() == expected.lower())
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|     except Exception as e:
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|         on_except(e)
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|         return None
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| 
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| 
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| def get_all_property_values(tp):
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|     try:
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|         props = []
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|         message = proto.get_prop_count_request()
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|         response = tp.send_data('esp_local_ctrl/control', message)
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|         count = proto.get_prop_count_response(response)
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|         if count == 0:
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|             raise RuntimeError('No properties found!')
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|         indices = [i for i in range(count)]
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|         message = proto.get_prop_vals_request(indices)
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|         response = tp.send_data('esp_local_ctrl/control', message)
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|         props = proto.get_prop_vals_response(response)
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|         if len(props) != count:
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|             raise RuntimeError('Incorrect count of properties!')
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|         for p in props:
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|             p['value'] = decode_prop_value(p, p['value'])
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|         return props
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|     except RuntimeError as e:
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|         on_except(e)
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|         return []
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| 
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| 
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| def set_property_values(tp, props, indices, values, check_readonly=False):
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|     try:
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|         if check_readonly:
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|             for index in indices:
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|                 if prop_is_readonly(props[index]):
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|                     raise RuntimeError('Cannot set value of Read-Only property')
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|         message = proto.set_prop_vals_request(indices, values)
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|         response = tp.send_data('esp_local_ctrl/control', message)
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|         return proto.set_prop_vals_response(response)
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|     except RuntimeError as e:
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|         on_except(e)
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|         return False
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| 
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| 
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| if __name__ == '__main__':
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|     parser = argparse.ArgumentParser(add_help=False)
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| 
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|     parser = argparse.ArgumentParser(description='Control an ESP32 running esp_local_ctrl service')
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| 
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|     parser.add_argument('--version', dest='version', type=str,
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|                         help='Protocol version', default='')
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| 
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|     parser.add_argument('--transport', dest='transport', type=str,
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|                         help='transport i.e http or ble', default='http')
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| 
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|     parser.add_argument('--name', dest='service_name', type=str,
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|                         help='BLE Device Name / HTTP Server hostname or IP', default='')
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| 
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|     parser.add_argument('--dont-check-hostname', action='store_true',
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|                         # If enabled, the certificate won't be rejected for hostname mismatch.
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|                         # This option is hidden because it should be used only for testing purposes.
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|                         help=argparse.SUPPRESS)
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| 
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|     parser.add_argument('-v', '--verbose', dest='verbose', help='increase output verbosity', action='store_true')
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|     args = parser.parse_args()
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| 
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|     if args.version != '':
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|         print('==== Esp_Ctrl Version: ' + args.version + ' ====')
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| 
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|     if args.service_name == '':
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|         args.service_name = 'my_esp_ctrl_device'
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|         if args.transport == 'http':
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|             args.service_name += '.local'
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| 
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|     obj_transport = get_transport(args.transport, args.service_name, not args.dont_check_hostname)
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|     if obj_transport is None:
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|         print('---- Invalid transport ----')
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|         exit(1)
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| 
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|     if args.version != '':
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|         print('\n==== Verifying protocol version ====')
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|         if not version_match(obj_transport, args.version, args.verbose):
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|             print('---- Error in protocol version matching ----')
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|             exit(2)
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|         print('==== Verified protocol version successfully ====')
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| 
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|     while True:
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|         properties = get_all_property_values(obj_transport)
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|         if len(properties) == 0:
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|             print('---- Error in reading property values ----')
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|             exit(4)
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| 
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|         print('\n==== Available Properties ====')
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|         print('{0: >4} {1: <16} {2: <10} {3: <16} {4: <16}'.format(
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|             'S.N.', 'Name', 'Type', 'Flags', 'Value'))
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|         for i in range(len(properties)):
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|             print('[{0: >2}] {1: <16} {2: <10} {3: <16} {4: <16}'.format(
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|                 i + 1, properties[i]['name'], prop_typestr(properties[i]),
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|                 ['','Read-Only'][prop_is_readonly(properties[i])],
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|                 str(properties[i]['value'])))
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| 
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|         select = 0
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|         while True:
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|             try:
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|                 inval = input("\nSelect properties to set (0 to re-read, 'q' to quit) : ")
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|                 if inval.lower() == 'q':
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|                     print('Quitting...')
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|                     exit(5)
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|                 invals = inval.split(',')
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|                 selections = [int(val) for val in invals]
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|                 if min(selections) < 0 or max(selections) > len(properties):
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|                     raise ValueError('Invalid input')
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|                 break
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|             except ValueError as e:
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|                 print(str(e) + '! Retry...')
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| 
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|         if len(selections) == 1 and selections[0] == 0:
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|             continue
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| 
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|         set_values = []
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|         set_indices = []
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|         for select in selections:
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|             while True:
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|                 inval = input('Enter value to set for property (' + properties[select - 1]['name'] + ') : ')
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|                 value = encode_prop_value(properties[select - 1],
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|                                           str_to_prop_value(properties[select - 1], inval))
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|                 if value is None:
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|                     print('Invalid input! Retry...')
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|                     continue
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|                 break
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|             set_values += [value]
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|             set_indices += [select - 1]
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| 
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|         if not set_property_values(obj_transport, properties, set_indices, set_values):
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|             print('Failed to set values!')
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