├── README.md ├── README.txt ├── Start.bat ├── build └── lib │ ├── index │ ├── __init__.py │ ├── forms.py │ ├── models.py │ ├── routes.py │ └── utils.py │ ├── myplc │ └── __init__.py │ └── myserver │ └── __init__.py ├── dist └── s71200opc-0.1.dev0-py3.7.egg ├── index ├── __init__.py ├── __pycache__ │ ├── __init__.cpython-37.pyc │ ├── forms.cpython-37.pyc │ ├── models.cpython-37.pyc │ ├── routes.cpython-37.pyc │ └── utils.cpython-37.pyc ├── forms.py ├── models.py ├── routes.py ├── site.db ├── static │ ├── True.png │ ├── bootstrap.min.css │ ├── bootstrap.min.js │ ├── feather.min.js │ ├── jquery.js │ ├── popper.js │ ├── styles.css │ └── styles.js ├── templates │ ├── base.html │ ├── index.html │ ├── partials │ │ ├── nav.html │ │ ├── object_creation.html │ │ └── variable_creation.html │ └── server.html └── utils.py ├── install.bat ├── myplc ├── __init__.py └── __pycache__ │ └── __init__.cpython-37.pyc ├── myserver ├── __init__.py └── __pycache__ │ └── __init__.cpython-37.pyc ├── run.py ├── s71200opc.egg-info ├── PKG-INFO ├── SOURCES.txt ├── dependency_links.txt ├── requires.txt └── top_level.txt └── setup.py /README.md: -------------------------------------------------------------------------------- 1 | # opcserver 2 | A project designed to let people create an intance of an OPC UA server with a browser-based GUI 3 | -------------------------------------------------------------------------------- /README.txt: -------------------------------------------------------------------------------- 1 | This project allows creation of an opc server that can allow a plc to be connected to. -------------------------------------------------------------------------------- /Start.bat: -------------------------------------------------------------------------------- 1 | @echo off 2 | title S71200 OPC 3 | python run.py 4 | echo Open localhost:5000 5 | PAUSE -------------------------------------------------------------------------------- /build/lib/index/__init__.py: -------------------------------------------------------------------------------- 1 | from flask import Flask 2 | from flask_sqlalchemy import SQLAlchemy 3 | 4 | 5 | app = Flask(__name__) 6 | app.config['SECRET_KEY'] = 'f1d9d48ec0e26e2a250839fa36ea2c602cc4f85ccfeb5c65' 7 | app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///site.db' 8 | from flask_wtf.csrf import CSRFProtect 9 | csrf = CSRFProtect(app) 10 | db = SQLAlchemy(app) 11 | 12 | from index import routes 13 | -------------------------------------------------------------------------------- /build/lib/index/forms.py: -------------------------------------------------------------------------------- 1 | from flask_wtf import FlaskForm,Form 2 | from wtforms import StringField,SubmitField,SelectField,HiddenField,BooleanField 3 | from wtforms.validators import DataRequired 4 | from index.models import Server,Object 5 | 6 | 7 | class ServerCreateForm( FlaskForm ): 8 | 9 | server_name = StringField('Server', 10 | validators=[ DataRequired() ], 11 | render_kw = { 'placeholder': "Server Name" 12 | } 13 | ) 14 | 15 | endpoint_url = StringField('Endpoint Url', 16 | validators=[ DataRequired() ], 17 | render_kw = { 18 | 'placeholder': "Endpoint URL" 19 | } 20 | ) 21 | 22 | namespace = StringField('Namespace', 23 | render_kw = { 24 | 'placeholder': "Namespace" 25 | } 26 | ) 27 | 28 | submit = SubmitField('Create Server',id="create_server_button") 29 | 30 | class ObjectCreateForm( FlaskForm ): 31 | 32 | object_name = StringField('Object Name', 33 | validators=[ DataRequired() ], 34 | render_kw = { 35 | 'placeholder': "Object Name" 36 | } 37 | ) 38 | 39 | server = HiddenField('Server', 40 | validators=[ DataRequired() ], 41 | render_kw = { 42 | 'placeholder': 'Server' 43 | } 44 | ) 45 | 46 | submit = SubmitField('Add Object') 47 | 48 | 49 | class VariableCreateForm( FlaskForm ): 50 | 51 | name = StringField('Variable Name', 52 | validators=[ DataRequired() ], 53 | render_kw = { 54 | 'placeholder': "Variable Name" 55 | } 56 | ) 57 | 58 | var_type = HiddenField('Data Type',default='NoneType') 59 | 60 | writable = BooleanField('Writable',id="check_writable", render_kw = { 61 | 'placeholder': "Writable" 62 | } 63 | ) 64 | address = StringField('Address', validators=[ DataRequired() ], 65 | render_kw = { 'placeholder': "Address" 66 | } 67 | ) 68 | 69 | var_object = SelectField('Object',validators=[ DataRequired() ] ) 70 | 71 | value = StringField('Default Value', 72 | render_kw = { 73 | 'placeholder': "Value" 74 | } 75 | ) 76 | 77 | submit = SubmitField('Add Variable') 78 | -------------------------------------------------------------------------------- /build/lib/index/models.py: -------------------------------------------------------------------------------- 1 | from datetime import datetime 2 | from index import db 3 | import logging 4 | 5 | class Server(db.Model): 6 | id = db.Column(db.Integer, primary_key=True) 7 | server_name = db.Column( db.String(120), nullable=False ) 8 | server_endpoint_url = db.Column( db.String(120), unique=True, nullable=False ) 9 | server_namespace = db.Column( db.String(120), nullable=True, ) 10 | server_created_date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow ) 11 | server_objects = db.relationship('Object',backref='server',cascade="all, delete-orphan" , lazy='dynamic') 12 | 13 | def __repr__( self ): 14 | return "Server: {}".format(self.server_name) 15 | 16 | class Object(db.Model): 17 | id = db.Column(db.Integer, primary_key=True) 18 | object_name = db.Column( db.String(120), nullable=False ) 19 | object_parent_id = db.Column( db.Integer, nullable=True ) 20 | object_server_id = db.Column(db.Integer,db.ForeignKey('server.id',ondelete='CASCADE'),nullable=False) 21 | object_variables = db.relationship("Variable", backref="object", cascade="all, delete-orphan" , lazy='dynamic' ) 22 | 23 | def has_child( self ): 24 | return True if Object.query.filter_by(object_parent_id=self.id) else False 25 | 26 | def is_parent( self ): 27 | return True if self.object_parent_id is None else False 28 | 29 | def get_parent( self ): 30 | return Object.query.get( self.object_parent_id ) 31 | 32 | def get_child_objects( self ): 33 | return self.query.filter_by(object_parent_id=self.id) if Object.query.filter_by(object_parent_id=self.id) else False 34 | 35 | def __repr__( self ): 36 | return "Object: {}".format(self.object_name) 37 | 38 | class Variable( db.Model ): 39 | id = db.Column( db.Integer, primary_key=True ) 40 | variable_name = db.Column( db.String(120), nullable=False ) 41 | variable_type = db.Column( db.String(20), nullable=True ) 42 | variable_writable = db.Column( db.Boolean(), nullable=False ) 43 | variable_address = db.Column( db.String(120), nullable=False) 44 | variable_value = db.Column( db.String(100), nullable=True) 45 | variable_object_id = db.Column(db.Integer,db.ForeignKey('object.id',ondelete='CASCADE'),nullable=False ) 46 | 47 | @staticmethod 48 | def validate( obj_id, address ): 49 | allvarrs = Object.query.get(obj_id).object_variables.all() 50 | for var in allvarrs: 51 | if var.variable_address == address : 52 | return False 53 | return True 54 | 55 | def __repr__( self ): 56 | return "Variable: {}".format(self.variable_name) 57 | -------------------------------------------------------------------------------- /build/lib/index/routes.py: -------------------------------------------------------------------------------- 1 | from flask import (render_template, flash, url_for, jsonify,request,redirect) 2 | from index import app,db 3 | from index.models import Server,Object, Variable 4 | from index.forms import ServerCreateForm,ObjectCreateForm,VariableCreateForm 5 | from . import utils 6 | from myserver import MyServer 7 | from myplc import MyPlc 8 | from snap7.snap7exceptions import Snap7Exception 9 | import time 10 | 11 | class Control(MyServer,MyPlc): 12 | def __init__(self): 13 | self.ip = None 14 | 15 | def get_db(self, server_id,ip=None): 16 | self.db_server = Server.query.get(server_id) 17 | if ip is not None: 18 | self.ip = ip 19 | self.inits() 20 | 21 | def inits(self): 22 | MyServer.__init__(self) 23 | MyPlc.__init__(self) 24 | 25 | def set_opc(self): 26 | self.instantiate_server_vars() 27 | 28 | def make_tags_dict(self,allvars): 29 | for var in allvars: 30 | self.varsdict[var.variable_address] = { 31 | 'obj' : self.opc_variables_dict[var.variable_address], 32 | 'type' : var.variable_type 33 | } 34 | 35 | # global ms,mp 36 | global ctrl 37 | ctrl = Control() 38 | 39 | @app.route("/") 40 | def home(): 41 | servers = Server.query.all() 42 | form = ServerCreateForm() 43 | return render_template('index.html',form=form,servers=servers) 44 | 45 | @app.route("/",methods= ['POST','GET'] ) 46 | def create_server(): 47 | form = ServerCreateForm() 48 | if form.validate_on_submit(): 49 | server = Server( server_name=form.server_name.data, 50 | server_endpoint_url=form.endpoint_url.data,server_namespace=form.namespace.data ) 51 | db.session.add(server) 52 | db.session.commit() 53 | resp = { 54 | 'message' : '{} Created Successfully'.format(form.server_name.data), 55 | 'servers' : Server.query.all() 56 | } 57 | return redirect(url_for('home')) 58 | return jsonify(data=form.errors) 59 | 60 | @app.route("/server//edit",methods= ['POST'] ) 61 | def edit_server( serverid ): 62 | form = ServerCreateForm() 63 | if form.validate_on_submit(): 64 | server = Server.query.get( serverid ) 65 | server.server_name = form.server_name.data 66 | server.server_endpoint_url = form.endpoint_url.data 67 | server.server_namespace = form.namespace.data 68 | db.session.add( server ) 69 | db.session.commit() 70 | flash('{} Edited Successfully'.format(server.server_name), 'success') 71 | return redirect(url_for('home')) 72 | flash('Could not edit Server' 'danger') 73 | return redirect(url_for('home')) 74 | 75 | @app.route("/server/delete/",methods= ['POST'] ) 76 | def delete_server( serverid ): 77 | server = Server.query.get( serverid ) 78 | servername = server.name 79 | db.session.delete(server) 80 | db.session.commit() 81 | flash('{} Deleted Successfully'.format(servername), 'success') 82 | return redirect(url_for('create_server')) 83 | 84 | 85 | @app.route("/server/",methods= ['GET'] ) 86 | def server_populate(serverid): 87 | server = Server.query.get( serverid ) 88 | objform = ObjectCreateForm() 89 | varform = VariableCreateForm() 90 | objects = server.server_objects 91 | varform.var_object.choices = utils.selectVals(objects) 92 | # objform.parent_object.choices = selectVals(objects) 93 | # vars = server.server_objects 94 | return render_template('server.html', 95 | objects=objects, 96 | server=server, 97 | objform = ObjectCreateForm(), 98 | varform=varform 99 | ) 100 | @app.route("/start_server/",methods=['POST']) 101 | def start_server(serverid): 102 | if request.method=='POST' and request.form: 103 | server = Server.query.get(request.form['server']) 104 | ctrl.get_db(server.id) 105 | try: 106 | ctrl.opc_server.start() 107 | except OSError as ipexp: 108 | return jsonify({ 'warning':'The endpoint: {} is currently being used'.format(server.server_endpoint_url) }) 109 | else: 110 | ctrl.connections() 111 | return jsonify({ 'success':'PLC Connected' }) 112 | 113 | return jsonify({ 'success':'Server running at {}'.format( server.server_endpoint_url ) }) 114 | 115 | else: 116 | return jsonify("Web Server Error") 117 | 118 | 119 | @app.route("/stop_server/",methods=['GET']) 120 | def stop_server(serverid): 121 | server = Server.query.get( serverid ) 122 | ctrl.kill_threads() 123 | ctrl.opc_server.stop() 124 | return jsonify({"info":"Server at {} Stopped".format(server.server_endpoint_url)}) 125 | 126 | 127 | 128 | @app.route("/create_object",methods= ['POST'] ) 129 | def create_object(): 130 | objform = ObjectCreateForm() 131 | 132 | serverobj = Server.query.get(objform.server.data) 133 | if request.method=='POST' and request.form: 134 | obj = Object( object_name = request.form['object_name'], 135 | object_parent_id = request.form['parent_object'] if request.form['parent_object'] else None, 136 | server = Server.query.get(request.form['server']) 137 | ) 138 | db.session.add(obj) 139 | db.session.commit() 140 | return redirect( url_for('server_populate',serverid=serverobj.id) ) 141 | else: 142 | flash('Could not create {} object'.format(objform.object_name)) 143 | return redirect(url_for('server_populate',serverid=serverobj.id)) 144 | 145 | 146 | @app.route("/create_variable,/",methods= ['POST'] ) 147 | def create_variable(server_id): 148 | varform = VariableCreateForm() 149 | # obj = Object.query.get(varform.var_object.data) 150 | if utils.custom_validation( varform.data ): 151 | if Variable.validate(varform.var_object.data,varform.address.data): 152 | try: 153 | var = Variable( variable_name=varform.name.data, variable_type=varform.var_type.data, 154 | variable_writable=varform.writable.data, variable_address=varform.address.data, 155 | variable_value=varform.value.data, object=Object.query.get(varform.var_object.data), 156 | ) 157 | except AttributeError as aexp: 158 | flash('Ensure all fields are filled','warning') 159 | return redirect( url_for('server_populate',serverid=server_id) ) 160 | else: 161 | flash('The address {} has already been taken'.format(varform.address.data),'warning') 162 | return redirect( url_for('server_populate',serverid=server_id) ) 163 | 164 | 165 | try: 166 | db.session.add(var) 167 | db.session.commit() 168 | except AttributeError as aexp: 169 | flash('Ensure all fields are filled','warning') 170 | return redirect( url_for('server_populate',serverid=server_id) ) 171 | except Exception as exp: 172 | flash('Could not save Variable'.format(varform.name.data)) 173 | else: 174 | flash('{} Created Successfully'.format(var.variable_name),'success') 175 | return redirect(url_for('server_populate',serverid=server_id)) 176 | 177 | else: 178 | flash( 'Could not create {} Variable'.format(varform.name.data), 'danger' ) 179 | return redirect(url_for('server_populate',serverid=server_id)) 180 | 181 | 182 | @app.route("/variables//delete",methods= ['GET'] ) 183 | def delete_var(var_id): 184 | var = Variable.query.get(var_id) 185 | db.session.delete(var) 186 | db.session.commit() 187 | return jsonify("Deleted Successfully") 188 | 189 | @app.route("/delete_object",methods= ['POST'] ) 190 | def delete_object(): 191 | obj = Object.query.get(request.form['object_id']) 192 | objName = obj.name 193 | server_id = request.form['server_id'] 194 | 195 | db.session.delete( obj ) 196 | db.session.commit() 197 | flash('{} Deleted SUccessfully'.format(objName), 'success') 198 | return redirect(url_for('server_populate',serverid=server_id)) 199 | -------------------------------------------------------------------------------- /build/lib/index/utils.py: -------------------------------------------------------------------------------- 1 | import socket 2 | types = { 3 | "int" 4 | } 5 | 6 | def custom_validation(form): 7 | status = True 8 | for k,v in form.items(): 9 | if v is '': 10 | status = False 11 | return status 12 | 13 | def Variable_Validation(form): 14 | status = True 15 | 16 | 17 | def selectVals(objs): 18 | idlist = [] 19 | namelist = [] 20 | if objs: 21 | for obj in objs: 22 | idlist.append(obj.id) 23 | namelist.append(obj.object_name) 24 | return [('','Select Object')]+list(zip( idlist, namelist )) 25 | else: 26 | return [ ('', 'No Objects Defined' ) ] 27 | 28 | def convert_val(val,vtype): 29 | if vtype is 'int': 30 | return int(val) 31 | elif vtype == 'float': 32 | return float(val) 33 | elif vtype == 'string': 34 | return str(val) 35 | elif vtype == 'bool': 36 | if val == True or val == 'true' or val == 1: 37 | return True 38 | else: 39 | return False 40 | else: 41 | return val 42 | 43 | 44 | 45 | def isOpen( ep_url ): 46 | s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 47 | try: 48 | s.connect( ( ep_url.split(':')[0], int( ep_url.split(':')[1] ) ) ) 49 | s.shutdown(1) 50 | return True 51 | except: 52 | return False 53 | -------------------------------------------------------------------------------- /build/lib/myplc/__init__.py: -------------------------------------------------------------------------------- 1 | from snap7.client import Client as PlcClient 2 | from opcua import Client 3 | from index.models import Server 4 | from snap7.snap7types import areas 5 | from snap7.util import * 6 | import time 7 | import threading 8 | from random import randint 9 | import socket 10 | 11 | class MyPlc: 12 | area={ 'I' : 0x81, 'Q' : 0x82, 'M' : 0x83, 'D': 0x84 } 13 | szs = { 'x':1, 'X': 1, 'b':1, 'B':1, 'w' : 2, 'W' : 2, 'd' : 4, 'D' : 4 } 14 | 15 | def __init__(self, ip='192.168.0.1'): 16 | self.ip = ip 17 | self.INByteArray = bytearray([ 0, 0 ]) 18 | self.MKByteArray = bytearray([ 0, 0 ]) 19 | self.threadStatus = False 20 | self.varsdict = {} 21 | self.threads={} 22 | self.plc = PlcClient() 23 | self.subNodes = [] 24 | self.subNodesD = {} 25 | self.keysDict = {} 26 | self.inNodes = {} 27 | 28 | 29 | 30 | def get_db(self,server_id): 31 | self.db_server = Server.query.get( server_id ) 32 | self.connections() 33 | 34 | 35 | def connections( self ): 36 | self.opc_ns_uri = self.db_server.server_namespace 37 | self.ep_url = 'opc.tcp://'+self.db_server.server_endpoint_url 38 | self.opclient = Client(self.ep_url) 39 | try: 40 | self.plc.connect( self.ip, 0, 1 ) 41 | # pass 42 | except Exception: 43 | self.conn_stat = "Could not connect to PLC" 44 | else: 45 | self.conn_stat = "PLC Connected Successfully" 46 | 47 | self.opclient.connect() 48 | self.root = self.opclient.get_root_node() 49 | self.idx = self.opclient.get_namespace_index(self.db_server.server_namespace) 50 | self.set_tags(self.db_server.server_objects) 51 | for key,val in self.varsdict.items(): 52 | if re.search("^(M|m)([\d]+).[\d]*$", key) is not None: 53 | self.subNodes.append( val['obj'] ) 54 | self.subNodesD[key] = val 55 | else: 56 | self.inNodes[key] = val 57 | self.run_threads() 58 | handler = SubHandler(self) 59 | sub = self.opclient.create_subscription(200, handler) 60 | handle = sub.subscribe_data_change(self.subNodes) 61 | time.sleep(0.1) 62 | 63 | def set_tags(self,objs): 64 | for obj in objs: 65 | try: 66 | self.make_tag_dict(obj, obj.object_variables) 67 | except Exception: 68 | self.make_tags_dict(obj.object_variables) 69 | finally: 70 | for var in obj.object_variables: 71 | self.keysDict[var.variable_name] = var.variable_address 72 | 73 | 74 | def make_tag_dict(self,obj,allvars): 75 | for var in allvars: 76 | self.varsdict[var.variable_address] = { 77 | 'obj' :self.root.get_child( [ "0:Objects", "{}:{}".format(self.idx,obj.object_name), "{}:{}".format(self.idx,var.variable_name) ] ), 78 | 'type' : var.variable_type 79 | } 80 | def kill_threads(self): 81 | self.threadStatus = False 82 | 83 | def run_threads(self): 84 | self.threadStatus = True 85 | self.threads['update_server'] = threading.Thread( target=self.updateInputs ) 86 | self.threads['update_server'].start() 87 | 88 | def getInputs( self ): 89 | while self.threadStatus: 90 | self.INByteArray = self.plc.read_area( areas['PE'], 0, 0, 2 ) 91 | # self.INByteArray = bytearray([ randint(0,7), randint(0,7) ]) 92 | time.sleep(.1) 93 | 94 | # def get_bool(_bytearray, byte_index, bool_index): 95 | def updateInputs(self): 96 | while self.threadStatus: 97 | for key,val in self.inNodes.items(): 98 | self.update_server_vars(key) 99 | time.sleep(.01) 100 | 101 | def writetoPLC(self,value,node): 102 | key = self.keysDict[node.get_browse_name().to_string().split(':')[1]] 103 | self.write_to_plc( key, value ) 104 | 105 | ''' 106 | Get Data from the PLC and Update OPC Server variables 107 | ''' 108 | def update_server_vars(self, addr_key ): 109 | addr = addr_key.split('.') 110 | # Works with Boolean values from a Data Block 111 | if len(addr) == 3 and addr[0][0] == 'D': 112 | DBn = int(addr[0][2:]) 113 | DBt = addr[1][2] 114 | byt = int( addr[1][3:] ) 115 | bit = int( addr[2] ) 116 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, szs[DBt] ) 117 | if DBt == 'X' or DBt == 'x': 118 | self.varsdict[addr_key]['obj'].set_value( get_bool( reading, 0, bit ) ) 119 | # return get_bool( reading, 0, bit ) 120 | else: 121 | self.varsdict[addr_key]['obj'].set_value( reading ) 122 | # return reading 123 | 124 | # Works with other data types from a Data Block 125 | elif len(addr) == 2 and addr[0][0] == 'D': 126 | DBn = int(addr[0][2:]) 127 | DBt = addr[1][2] 128 | byt = int( addr[1][3:] ) 129 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, szs[DBt] ) 130 | if DBt == 'W' or DBt == 'w': 131 | self.varsdict[addr_key]['obj'].set_value( get_int(reading,0) ) 132 | # return get_int(reading,0) 133 | elif DBt == 'D' or DBt == 'd': 134 | self.varsdict[addr_key]['obj'].set_value( get_real(reading,0) ) 135 | # return get_real(reading,0) 136 | else: 137 | self.varsdict[addr_key]['obj'].set_value( reading ) 138 | 139 | # Works with boolean values from Inputs,Merkels and Outputs 140 | elif len(addr) == 2 : 141 | byt = int( addr[0][1:] ) 142 | bit = int( addr[1] ) 143 | reading = self.plc.read_area( MyPlc.area[addr[0][0]], 0, byt, 1 ) 144 | self.varsdict[addr_key]['obj'].set_value( get_bool(reading,0,bit) ) 145 | # return get_bool(reading,0,bit) 146 | 147 | # Works with other data types from Inputs,Merkels ot Outputs eg MW2 148 | elif len(addr) == 1: 149 | byt = int( addr[0][2:] ) 150 | typ = addr[0][1] 151 | reading = self.plc.read_area( MyPlc.area[ addr[0][0] ], 0, byt, 2 ) 152 | if typ == 'w' or typ == 'W': 153 | self.varsdict[addr_key]['obj'].set_value( get_int(reading,0) ) 154 | # return get_int(reading, 0) 155 | elif typ == 'd' or typ == 'D': 156 | self.varsdict[addr_key]['obj'].set_value( get_real(reading,0) ) 157 | # return get_real(reading, 0) 158 | else: 159 | self.varsdict[addr_key]['obj'].set_value( reading ) 160 | # return reading 161 | 162 | ''' 163 | WRITE DATA TO PLC FROM SERVER 164 | ''' 165 | def write_to_plc(self, addr_key, value ): 166 | addr = addr_key.split('.') 167 | print( "New data change on {} : {}".format( addr_key , value) ) 168 | 169 | # Works with Boolean values from a Data Block 170 | if len(addr) == 3 and addr[0][0] == 'D': 171 | DBn = int(addr[0][2:]) 172 | DBt = addr[1][2] 173 | byt = int( addr[1][3:] ) 174 | bit = int( addr[2] ) 175 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, MyPlc.szs[DBt] ) 176 | if DBt == 'X' or DBt == 'x': 177 | set_bool(reading, 0, bit, value) 178 | self.plc.write_area( MyPlc.area['D'], DBn, byt, reading ) 179 | 180 | # Works with other data types from a Data Block 181 | elif len(addr) == 2 and addr[0][0] == 'D': 182 | DBn = int(addr[0][2:]) 183 | DBt = addr[1][2] 184 | byt = int( addr[1][3:] ) 185 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, MyPlc.szs[DBt] ) 186 | if DBt == 'W' or DBt == 'w': 187 | set_int(reading, 0, value) 188 | elif DBt == 'D' or DBt == 'd': 189 | set_real(reading, 0, value) 190 | self.plc.write_area( MyPlc.area['D'], DBn, byt, reading ) 191 | 192 | # Works with boolean values from Inputs,Merkels ot Outputs 193 | elif len(addr) == 2 : 194 | byt = int( addr[0][1:] ) 195 | bit = int( addr[1] ) 196 | reading = self.plc.read_area( MyPlc.area[addr[0][0]], 0, byt, 1 ) 197 | set_bool(reading, 0, bit, value) 198 | self.plc.write_area( MyPlc.area[addr[0][0]], 0, byt, reading ) 199 | 200 | # Works with other data types from Inputs,Merkels ot Outputs eg MW2 201 | elif len(addr) == 1: 202 | byt = int( addr[0][2:] ) 203 | typ = addr[0][1] 204 | reading = self.plc.read_area( MyPlc.area[ addr[0][0] ], 0, byt, 2 ) 205 | if typ == 'w' or typ == 'W': 206 | set_int(reading, 0, value) 207 | elif typ == 'd' or typ == 'D': 208 | set_real(reading, 0, value) 209 | else: 210 | set_data( value ) 211 | self.plc.write_area( MyPlc.area[addr[0][0]], 0, byt, reading ) 212 | 213 | 214 | class SubHandler(): 215 | def __init__(self,myplc): 216 | self.myplc = myplc 217 | 218 | def datachange_notification(self, node, val, data): 219 | self.myplc.threads['writetoplc'] = threading.Thread( target=self.myplc.writetoPLC, args=(val,node) ) 220 | self.myplc.threads['writetoplc'].start() 221 | 222 | def event_notification(self, event): 223 | print("Python: New event", event) 224 | 225 | -------------------------------------------------------------------------------- /build/lib/myserver/__init__.py: -------------------------------------------------------------------------------- 1 | from opcua import Server as UAServer 2 | from index.models import Server,Object,Variable 3 | from index.utils import convert_val 4 | 5 | class MyServer: 6 | ''' 7 | initialise opcua server object 8 | ''' 9 | def __init__( self ): 10 | self.opc_server = UAServer() # OPC UA server instance 11 | self.opc_objects_dict = {} 12 | self.opc_variables_dict = {} 13 | # self.db_server=Server.query.get( server_id ) 14 | # self.initialise() 15 | self.instantiate_server_vars() 16 | 17 | def get_db(self,server_id): 18 | self.db_server = Server.query.get( server_id ) 19 | self.instantiate_server_vars() 20 | 21 | ''' 22 | Instantiate all server related variables from the Sqlite DB server 23 | to the opcua server instance 24 | ''' 25 | def initialise( self ): 26 | self.instantiate_server_vars() 27 | 28 | 29 | def instantiate_server_vars( self ): 30 | self.opc_server_endpoint = "opc.tcp://"+self.db_server.server_endpoint_url 31 | self.opc_server_name = self.db_server.server_name 32 | self.opc_server_uri = self.db_server.server_namespace 33 | self.ns_idx = self.opc_server.register_namespace( self.opc_server_uri ) 34 | self.opc_objects = self.opc_server.get_objects_node() 35 | self.opc_server.set_endpoint(self.opc_server_endpoint) 36 | self.load_server( self.db_server.server_objects ) 37 | 38 | ''' 39 | load opc server with objects and variables from the SQlite DB 40 | ''' 41 | def load_server( self, db_objects, parent_obj=None ): 42 | for server_obj in db_objects: 43 | if( server_obj.id not in self.opc_objects_dict ): 44 | if parent_obj is None: 45 | self.opc_objects_dict[server_obj.id] = self.opc_objects.add_object( self.ns_idx, server_obj.object_name ) 46 | else: 47 | self.opc_objects_dict[server_obj.id] = parent_obj.add_object( self.ns_idx, server_obj.object_name ) 48 | 49 | self.load_object_variables(server_obj.object_variables, self.opc_objects_dict[server_obj.id]) 50 | 51 | if( server_obj.get_child_objects().count() > 0 ): 52 | self.load_server(server_obj.get_child_objects(),self.opc_objects_dict[server_obj.id] ) 53 | 54 | 55 | def load_object_variables(self, variables, object_owner): 56 | for variable in variables: 57 | self.opc_variables_dict[variable.variable_address] = object_owner.add_variable( self.ns_idx, variable.variable_name, convert_val(variable.variable_value,variable.variable_type ) ) 58 | if variable.variable_writable: 59 | self.opc_variables_dict[variable.variable_address].set_writable() 60 | 61 | def start_opc_server(self): 62 | self.opc_server.start() 63 | 64 | def stop_opc_server(self): 65 | self.opc_server.stop() 66 | 67 | @classmethod 68 | def kill_all_servers(cls): 69 | for addr in addrs: 70 | pass 71 | 72 | 73 | 74 | 75 | 76 | -------------------------------------------------------------------------------- /dist/s71200opc-0.1.dev0-py3.7.egg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/dist/s71200opc-0.1.dev0-py3.7.egg -------------------------------------------------------------------------------- /index/__init__.py: -------------------------------------------------------------------------------- 1 | from flask import Flask 2 | from flask_sqlalchemy import SQLAlchemy 3 | 4 | 5 | app = Flask(__name__) 6 | app.config['SECRET_KEY'] = 'f1d9d48ec0e26e2a250839fa36ea2c602cc4f85ccfeb5c65' 7 | app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///site.db' 8 | from flask_wtf.csrf import CSRFProtect 9 | csrf = CSRFProtect(app) 10 | db = SQLAlchemy(app) 11 | 12 | from index import routes 13 | -------------------------------------------------------------------------------- /index/__pycache__/__init__.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/index/__pycache__/__init__.cpython-37.pyc -------------------------------------------------------------------------------- /index/__pycache__/forms.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/index/__pycache__/forms.cpython-37.pyc -------------------------------------------------------------------------------- /index/__pycache__/models.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/index/__pycache__/models.cpython-37.pyc -------------------------------------------------------------------------------- /index/__pycache__/routes.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/index/__pycache__/routes.cpython-37.pyc -------------------------------------------------------------------------------- /index/__pycache__/utils.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/index/__pycache__/utils.cpython-37.pyc -------------------------------------------------------------------------------- /index/forms.py: -------------------------------------------------------------------------------- 1 | from flask_wtf import FlaskForm,Form 2 | from wtforms import StringField,SubmitField,SelectField,HiddenField,BooleanField 3 | from wtforms.validators import DataRequired 4 | from index.models import Server,Object 5 | 6 | 7 | class ServerCreateForm( FlaskForm ): 8 | 9 | server_name = StringField('Server', 10 | validators=[ DataRequired() ], 11 | render_kw = { 'placeholder': "Server Name" 12 | } 13 | ) 14 | 15 | endpoint_url = StringField('Endpoint Url', 16 | validators=[ DataRequired() ], 17 | render_kw = { 18 | 'placeholder': "Endpoint URL" 19 | } 20 | ) 21 | 22 | namespace = StringField('Namespace', 23 | render_kw = { 24 | 'placeholder': "Namespace" 25 | } 26 | ) 27 | 28 | submit = SubmitField('Create Server',id="create_server_button") 29 | 30 | class ObjectCreateForm( FlaskForm ): 31 | 32 | object_name = StringField('Object Name', 33 | validators=[ DataRequired() ], 34 | render_kw = { 35 | 'placeholder': "Object Name" 36 | } 37 | ) 38 | 39 | server = HiddenField('Server', 40 | validators=[ DataRequired() ], 41 | render_kw = { 42 | 'placeholder': 'Server' 43 | } 44 | ) 45 | 46 | submit = SubmitField('Add Object') 47 | 48 | 49 | class VariableCreateForm( FlaskForm ): 50 | 51 | name = StringField('Variable Name', 52 | validators=[ DataRequired() ], 53 | render_kw = { 54 | 'placeholder': "Variable Name" 55 | } 56 | ) 57 | 58 | var_type = HiddenField('Data Type',default='NoneType') 59 | 60 | writable = BooleanField('Writable',id="check_writable", render_kw = { 61 | 'placeholder': "Writable" 62 | } 63 | ) 64 | address = StringField('Address', validators=[ DataRequired() ], 65 | render_kw = { 'placeholder': "Address" 66 | } 67 | ) 68 | 69 | var_object = SelectField('Object',validators=[ DataRequired() ] ) 70 | 71 | value = StringField('Default Value', 72 | render_kw = { 73 | 'placeholder': "Value" 74 | } 75 | ) 76 | 77 | submit = SubmitField('Add Variable') 78 | -------------------------------------------------------------------------------- /index/models.py: -------------------------------------------------------------------------------- 1 | from datetime import datetime 2 | from index import db 3 | import logging 4 | 5 | class Server(db.Model): 6 | id = db.Column(db.Integer, primary_key=True) 7 | server_name = db.Column( db.String(120), nullable=False ) 8 | server_endpoint_url = db.Column( db.String(120), unique=True, nullable=False ) 9 | server_namespace = db.Column( db.String(120), nullable=True, ) 10 | server_created_date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow ) 11 | server_objects = db.relationship('Object',backref='server',cascade="all, delete-orphan" , lazy='dynamic') 12 | 13 | def __repr__( self ): 14 | return "Server: {}".format(self.server_name) 15 | 16 | class Object(db.Model): 17 | id = db.Column(db.Integer, primary_key=True) 18 | object_name = db.Column( db.String(120), nullable=False ) 19 | object_parent_id = db.Column( db.Integer, nullable=True ) 20 | object_server_id = db.Column(db.Integer,db.ForeignKey('server.id',ondelete='CASCADE'),nullable=False) 21 | object_variables = db.relationship("Variable", backref="object", cascade="all, delete-orphan" , lazy='dynamic' ) 22 | 23 | def has_child( self ): 24 | return True if Object.query.filter_by(object_parent_id=self.id) else False 25 | 26 | def is_parent( self ): 27 | return True if self.object_parent_id is None else False 28 | 29 | def get_parent( self ): 30 | return Object.query.get( self.object_parent_id ) 31 | 32 | def get_child_objects( self ): 33 | return self.query.filter_by(object_parent_id=self.id) if Object.query.filter_by(object_parent_id=self.id) else False 34 | 35 | def __repr__( self ): 36 | return "Object: {}".format(self.object_name) 37 | 38 | class Variable( db.Model ): 39 | id = db.Column( db.Integer, primary_key=True ) 40 | variable_name = db.Column( db.String(120), nullable=False ) 41 | variable_type = db.Column( db.String(20), nullable=True ) 42 | variable_writable = db.Column( db.Boolean(), nullable=False ) 43 | variable_address = db.Column( db.String(120), nullable=False) 44 | variable_value = db.Column( db.String(100), nullable=True) 45 | variable_object_id = db.Column(db.Integer,db.ForeignKey('object.id',ondelete='CASCADE'),nullable=False ) 46 | 47 | @staticmethod 48 | def validate( obj_id, address ): 49 | allvarrs = Object.query.get(obj_id).object_variables.all() 50 | for var in allvarrs: 51 | if var.variable_address == address : 52 | return False 53 | return True 54 | 55 | def __repr__( self ): 56 | return "Variable: {}".format(self.variable_name) 57 | -------------------------------------------------------------------------------- /index/routes.py: -------------------------------------------------------------------------------- 1 | from flask import (render_template, flash, url_for, jsonify,request,redirect) 2 | from index import app,db 3 | from index.models import Server,Object, Variable 4 | from index.forms import ServerCreateForm,ObjectCreateForm,VariableCreateForm 5 | from . import utils 6 | from myserver import MyServer 7 | from myplc import MyPlc 8 | from snap7.snap7exceptions import Snap7Exception 9 | import time 10 | 11 | class Control(MyServer,MyPlc): 12 | def __init__(self): 13 | self.ip = None 14 | 15 | def get_db(self, server_id,ip=None): 16 | self.db_server = Server.query.get(server_id) 17 | if ip is not None: 18 | self.ip = ip 19 | self.inits() 20 | 21 | def inits(self): 22 | MyServer.__init__(self) 23 | MyPlc.__init__(self) 24 | 25 | def set_opc(self): 26 | self.instantiate_server_vars() 27 | 28 | def make_tags_dict(self,allvars): 29 | for var in allvars: 30 | self.varsdict[var.variable_address] = { 31 | 'obj' : self.opc_variables_dict[var.variable_address], 32 | 'type' : var.variable_type 33 | } 34 | 35 | # global ms,mp 36 | global ctrl 37 | ctrl = Control() 38 | 39 | @app.route("/") 40 | def home(): 41 | servers = Server.query.all() 42 | form = ServerCreateForm() 43 | return render_template('index.html',form=form,servers=servers) 44 | 45 | @app.route("/",methods= ['POST','GET'] ) 46 | def create_server(): 47 | form = ServerCreateForm() 48 | if form.validate_on_submit(): 49 | server = Server( server_name=form.server_name.data, 50 | server_endpoint_url=form.endpoint_url.data,server_namespace=form.namespace.data ) 51 | db.session.add(server) 52 | db.session.commit() 53 | resp = { 54 | 'message' : '{} Created Successfully'.format(form.server_name.data), 55 | 'servers' : Server.query.all() 56 | } 57 | return redirect(url_for('home')) 58 | return jsonify(data=form.errors) 59 | 60 | @app.route("/server//edit",methods= ['POST'] ) 61 | def edit_server( serverid ): 62 | form = ServerCreateForm() 63 | if form.validate_on_submit(): 64 | server = Server.query.get( serverid ) 65 | server.server_name = form.server_name.data 66 | server.server_endpoint_url = form.endpoint_url.data 67 | server.server_namespace = form.namespace.data 68 | db.session.add( server ) 69 | db.session.commit() 70 | flash('{} Edited Successfully'.format(server.server_name), 'success') 71 | return redirect(url_for('home')) 72 | flash('Could not edit Server' 'danger') 73 | return redirect(url_for('home')) 74 | 75 | @app.route("/server/delete/",methods= ['POST'] ) 76 | def delete_server( serverid ): 77 | server = Server.query.get( serverid ) 78 | servername = server.name 79 | db.session.delete(server) 80 | db.session.commit() 81 | flash('{} Deleted Successfully'.format(servername), 'success') 82 | return redirect(url_for('create_server')) 83 | 84 | 85 | @app.route("/server/",methods= ['GET'] ) 86 | def server_populate(serverid): 87 | server = Server.query.get( serverid ) 88 | objform = ObjectCreateForm() 89 | varform = VariableCreateForm() 90 | objects = server.server_objects 91 | varform.var_object.choices = utils.selectVals(objects) 92 | # objform.parent_object.choices = selectVals(objects) 93 | # vars = server.server_objects 94 | return render_template('server.html', 95 | objects=objects, 96 | server=server, 97 | objform = ObjectCreateForm(), 98 | varform=varform 99 | ) 100 | @app.route("/start_server/",methods=['POST']) 101 | def start_server(serverid): 102 | if request.method=='POST' and request.form: 103 | server = Server.query.get(request.form['server']) 104 | ctrl.get_db(server.id) 105 | try: 106 | ctrl.opc_server.start() 107 | except OSError as ipexp: 108 | return jsonify({ 'warning':'The endpoint: {} is currently being used'.format(server.server_endpoint_url) }) 109 | else: 110 | ctrl.connections() 111 | return jsonify({ 'success':'PLC Connected' }) 112 | 113 | return jsonify({ 'success':'Server running at {}'.format( server.server_endpoint_url ) }) 114 | 115 | else: 116 | return jsonify("Web Server Error") 117 | 118 | 119 | @app.route("/stop_server/",methods=['GET']) 120 | def stop_server(serverid): 121 | server = Server.query.get( serverid ) 122 | ctrl.kill_threads() 123 | ctrl.opc_server.stop() 124 | return jsonify({"info":"Server at {} Stopped".format(server.server_endpoint_url)}) 125 | 126 | 127 | 128 | @app.route("/create_object",methods= ['POST'] ) 129 | def create_object(): 130 | objform = ObjectCreateForm() 131 | 132 | serverobj = Server.query.get(objform.server.data) 133 | if request.method=='POST' and request.form: 134 | obj = Object( object_name = request.form['object_name'], 135 | object_parent_id = request.form['parent_object'] if request.form['parent_object'] else None, 136 | server = Server.query.get(request.form['server']) 137 | ) 138 | db.session.add(obj) 139 | db.session.commit() 140 | return redirect( url_for('server_populate',serverid=serverobj.id) ) 141 | else: 142 | flash('Could not create {} object'.format(objform.object_name)) 143 | return redirect(url_for('server_populate',serverid=serverobj.id)) 144 | 145 | 146 | @app.route("/create_variable,/",methods= ['POST'] ) 147 | def create_variable(server_id): 148 | varform = VariableCreateForm() 149 | # obj = Object.query.get(varform.var_object.data) 150 | if utils.custom_validation( varform.data ): 151 | if Variable.validate(varform.var_object.data,varform.address.data): 152 | try: 153 | var = Variable( variable_name=varform.name.data, variable_type=varform.var_type.data, 154 | variable_writable=varform.writable.data, variable_address=varform.address.data, 155 | variable_value=varform.value.data, object=Object.query.get(varform.var_object.data), 156 | ) 157 | except AttributeError as aexp: 158 | flash('Ensure all fields are filled','warning') 159 | return redirect( url_for('server_populate',serverid=server_id) ) 160 | else: 161 | flash('The address {} has already been taken'.format(varform.address.data),'warning') 162 | return redirect( url_for('server_populate',serverid=server_id) ) 163 | 164 | 165 | try: 166 | db.session.add(var) 167 | db.session.commit() 168 | except AttributeError as aexp: 169 | flash('Ensure all fields are filled','warning') 170 | return redirect( url_for('server_populate',serverid=server_id) ) 171 | except 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l=i(5),t=i(51),r=i(19),o=i(9)("IE_PROTO"),a=function(){},c=function(){var e,n=i(26)("iframe"),l=r.length;for(n.style.display="none",i(45).appendChild(n),n.src="javascript:",(e=n.contentWindow.document).open(),e.write(" 20 | 21 | 22 | 23 | 24 | 27 | {% endblock %} 28 | 29 | 30 | -------------------------------------------------------------------------------- /index/templates/index.html: -------------------------------------------------------------------------------- 1 | {% extends 'base.html' %} 2 | {% block content %} 3 |
4 | {% with messages = get_flashed_messages(with_categories=true) %} 5 | {% if messages %} 6 | {% for category, message in messages %} 7 |
8 | {{ message }} 9 |
10 | {% endfor %} 11 | {% endif %} 12 | {% endwith %} 13 |
14 | 15 | 16 | 54 | 55 | 56 | 86 | 87 |
88 | {{ form.hidden_tag() }} 89 |
90 |
91 | {{ form.server_name.label( class="form-control-label" ) }} 92 | {{ form.server_name( class="form-control", value="" ) }} 93 |
94 | 95 |
96 | {{ form.endpoint_url.label( class="form-control-label" ) }} 97 |
98 |
99 | ocp.tcp:// 100 | {{ form.endpoint_url(class="form-control", value="") }} 101 |
102 |
103 |
104 | 105 |
106 | {{ form.namespace.label( class="form-control-label" ) }} 107 | {{ form.namespace( class="form-control",value="" ) }} 108 |
109 |
110 | 111 |
112 | {{ form.submit( class="form-control btn btn-outline-info col-6 offset-3" ) }} 113 |
114 |
115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | {% if servers %} 127 | {% for server in servers %} 128 | 129 | 130 | 131 | 132 | 133 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | {% endfor %} 150 | {% else %} 151 | 152 | {% endif %} 153 | 154 |
#Server NameEndpont UrlNamespaceAction
{{ server.id }}{{ server.server_name }}{{ server.server_endpoint_url }}{{ server.server_namespace }} 134 |

135 | 138 | 139 | 140 | 141 |

142 |
No Servers Defined
155 | {% endblock %} 156 | {% block javascripts %} 157 | {{ super() }} 158 | 174 | {% endblock %} 175 | 176 | 177 | -------------------------------------------------------------------------------- /index/templates/partials/nav.html: -------------------------------------------------------------------------------- 1 | 21 | -------------------------------------------------------------------------------- /index/templates/partials/object_creation.html: -------------------------------------------------------------------------------- 1 |
2 |
3 |
4 |

5 | Objects 6 |

7 |
8 |
9 |
10 | {% if objects %} 11 | {% for object in objects %} 12 |
13 | {% if object.is_parent() %} 14 | 15 | 16 |
17 | 18 | 19 | 20 |
21 | {{ object.object_name }} 22 | 23 | Delete 24 | 25 | 26 | 27 | {% for child_obj in object.get_child_objects() %} 28 | 29 |
30 | 31 | 32 | 33 |
34 | {{ child_obj.object_name }} 35 | 36 | Delete 37 | 38 | 39 | {% endfor %} 40 | 41 |
42 | {% endif %} 43 |
44 | {% endfor %} 45 | {% else %} 46 | 47 | No Objects Defined Yet 48 | 49 | 50 | {% endif %} 51 |
52 |
53 |
54 |
55 | {{ objform.csrf_token }} 56 | 57 |
58 | {{ objform.object_name.label( class="form-control-label" ) }} 59 | {{ objform.object_name( class="form-control", value="" ) }} 60 |
61 | 62 |
63 | 64 | 65 | 78 |
79 | 80 |
81 | {# {{ objform.server.label( class="form-control-label" ) }} #} 82 | {{ objform.server( class="form-control",value="{}".format(server.id) ) }} 83 |
84 | 85 |
86 | {{ objform.submit( class="form-control btn btn-outline-info" ) }} 87 |
88 |
89 |
-------------------------------------------------------------------------------- /index/templates/partials/variable_creation.html: -------------------------------------------------------------------------------- 1 |
2 | {{ varform.hidden_tag() }} 3 |
4 | Add New Variable 5 |
6 |
7 | {{ varform.name( class="form-control",value="" ) }} 8 |
9 |
10 | {{ varform.address( class="form-control p-1",value="", style="font-size:1em!important;") }} 11 |
12 |
13 |
14 |
15 | {{ varform.var_object( class="custom-select custom-select-md" ) }} 16 |
17 |
18 | 19 | {{ varform.value( class="form-control " ) }} 20 | 21 |   22 |
23 |
24 |
25 |
26 | {{ varform.var_type( class="form-control",value="" ) }} 27 |
28 |
29 |
30 | {{ varform.writable( class="custom-control-input",) }} 31 | 32 |
33 |
34 |
35 |
36 | {{ varform.submit( class="form-control btn-outline-info", style="cursor:pointer" ) }} 37 |
38 |
39 |
-------------------------------------------------------------------------------- /index/templates/server.html: -------------------------------------------------------------------------------- 1 | {% extends 'base.html' %} 2 | {% block content %} 3 | 4 | {% with messages = get_flashed_messages(with_categories=true) %} 5 | {% if messages %} 6 | {% for category, message in messages %} 7 |
8 | {{ message }} 9 |
10 | {% endfor %} 11 | {% endif %} 12 | {% endwith %} 13 | 14 |
15 | {% include('partials/object_creation.html') %} 16 | 17 |
18 | {% if objects %} 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | {% for obj in objects %} 33 | {% for variable in obj.object_variables %} 34 | 35 | 36 | 37 | 38 | 41 | 42 | 43 | 48 | 49 | {% endfor %} 50 | {% endfor %} 51 | {# {% for variable in variables %} 52 | {% endfor %} #} 53 | 54 |
NameAddressTypeWritableObject NameValueAction
{{variable.variable_name}}{{ variable.variable_address }}{{ variable.variable_type }} 39 | {% if variable.variable_writable %} {% else %} {% endif %} 40 | {{ variable.object.object_name }}{{ variable.variable_value }} 44 |

45 | Delete 46 |

47 |
55 |
56 | {% include "partials/variable_creation.html" %} 57 | {% endif %} 58 |
59 |
60 | 61 | {% endblock %}} 62 | {% block javascripts %} 63 | {{ super() }} 64 | 107 | {% endblock %} 108 | 109 | -------------------------------------------------------------------------------- /index/utils.py: -------------------------------------------------------------------------------- 1 | import socket 2 | types = { 3 | "int" 4 | } 5 | 6 | def custom_validation(form): 7 | status = True 8 | for k,v in form.items(): 9 | if v is '': 10 | status = False 11 | return status 12 | 13 | def Variable_Validation(form): 14 | status = True 15 | 16 | 17 | def selectVals(objs): 18 | idlist = [] 19 | namelist = [] 20 | if objs: 21 | for obj in objs: 22 | idlist.append(obj.id) 23 | namelist.append(obj.object_name) 24 | return [('','Select Object')]+list(zip( idlist, namelist )) 25 | else: 26 | return [ ('', 'No Objects Defined' ) ] 27 | 28 | def convert_val(val,vtype): 29 | if vtype is 'int': 30 | return int(val) 31 | elif vtype == 'float': 32 | return float(val) 33 | elif vtype == 'string': 34 | return str(val) 35 | elif vtype == 'bool': 36 | if val == True or val == 'true' or val == 1: 37 | return True 38 | else: 39 | return False 40 | else: 41 | return val 42 | 43 | 44 | 45 | def isOpen( ep_url ): 46 | s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 47 | try: 48 | s.connect( ( ep_url.split(':')[0], int( ep_url.split(':')[1] ) ) ) 49 | s.shutdown(1) 50 | return True 51 | except: 52 | return False 53 | -------------------------------------------------------------------------------- /install.bat: -------------------------------------------------------------------------------- 1 | python setup.py install -------------------------------------------------------------------------------- /myplc/__init__.py: -------------------------------------------------------------------------------- 1 | from snap7.client import Client as PlcClient 2 | from opcua import Client 3 | from index.models import Server 4 | from snap7.snap7types import areas 5 | from snap7.util import * 6 | import time 7 | import threading 8 | from random import randint 9 | import socket 10 | 11 | class MyPlc: 12 | area={ 'I' : 0x81, 'Q' : 0x82, 'M' : 0x83, 'D': 0x84 } 13 | szs = { 'x':1, 'X': 1, 'b':1, 'B':1, 'w' : 2, 'W' : 2, 'd' : 4, 'D' : 4 } 14 | 15 | def __init__(self, ip='192.168.0.1'): 16 | self.ip = ip 17 | self.INByteArray = bytearray([ 0, 0 ]) 18 | self.MKByteArray = bytearray([ 0, 0 ]) 19 | self.threadStatus = False 20 | self.varsdict = {} 21 | self.threads={} 22 | self.plc = PlcClient() 23 | self.subNodes = [] 24 | self.subNodesD = {} 25 | self.keysDict = {} 26 | self.inNodes = {} 27 | 28 | 29 | 30 | def get_db(self,server_id): 31 | self.db_server = Server.query.get( server_id ) 32 | self.connections() 33 | 34 | 35 | def connections( self ): 36 | self.opc_ns_uri = self.db_server.server_namespace 37 | self.ep_url = 'opc.tcp://'+self.db_server.server_endpoint_url 38 | self.opclient = Client(self.ep_url) 39 | try: 40 | self.plc.connect( self.ip, 0, 1 ) 41 | # pass 42 | except Exception: 43 | self.conn_stat = "Could not connect to PLC" 44 | else: 45 | self.conn_stat = "PLC Connected Successfully" 46 | 47 | self.opclient.connect() 48 | self.root = self.opclient.get_root_node() 49 | self.idx = self.opclient.get_namespace_index(self.db_server.server_namespace) 50 | self.set_tags(self.db_server.server_objects) 51 | for key,val in self.varsdict.items(): 52 | if re.search("^(M|m)([\d]+).[\d]*$", key) is not None: 53 | self.subNodes.append( val['obj'] ) 54 | self.subNodesD[key] = val 55 | else: 56 | self.inNodes[key] = val 57 | self.run_threads() 58 | handler = SubHandler(self) 59 | sub = self.opclient.create_subscription(200, handler) 60 | handle = sub.subscribe_data_change(self.subNodes) 61 | time.sleep(0.1) 62 | 63 | def set_tags(self,objs): 64 | for obj in objs: 65 | try: 66 | self.make_tag_dict(obj, obj.object_variables) 67 | except Exception: 68 | self.make_tags_dict(obj.object_variables) 69 | finally: 70 | for var in obj.object_variables: 71 | self.keysDict[var.variable_name] = var.variable_address 72 | 73 | 74 | def make_tag_dict(self,obj,allvars): 75 | for var in allvars: 76 | self.varsdict[var.variable_address] = { 77 | 'obj' :self.root.get_child( [ "0:Objects", "{}:{}".format(self.idx,obj.object_name), "{}:{}".format(self.idx,var.variable_name) ] ), 78 | 'type' : var.variable_type 79 | } 80 | def kill_threads(self): 81 | self.threadStatus = False 82 | 83 | def run_threads(self): 84 | self.threadStatus = True 85 | self.threads['update_server'] = threading.Thread( target=self.updateInputs ) 86 | self.threads['update_server'].start() 87 | 88 | def getInputs( self ): 89 | while self.threadStatus: 90 | self.INByteArray = self.plc.read_area( areas['PE'], 0, 0, 2 ) 91 | # self.INByteArray = bytearray([ randint(0,7), randint(0,7) ]) 92 | time.sleep(.1) 93 | 94 | # def get_bool(_bytearray, byte_index, bool_index): 95 | def updateInputs(self): 96 | while self.threadStatus: 97 | for key,val in self.inNodes.items(): 98 | self.update_server_vars(key) 99 | time.sleep(.01) 100 | 101 | def writetoPLC(self,value,node): 102 | key = self.keysDict[node.get_browse_name().to_string().split(':')[1]] 103 | self.write_to_plc( key, value ) 104 | 105 | ''' 106 | Get Data from the PLC and Update OPC Server variables 107 | ''' 108 | def update_server_vars(self, addr_key ): 109 | addr = addr_key.split('.') 110 | # Works with Boolean values from a Data Block 111 | if len(addr) == 3 and addr[0][0] == 'D': 112 | DBn = int(addr[0][2:]) 113 | DBt = addr[1][2] 114 | byt = int( addr[1][3:] ) 115 | bit = int( addr[2] ) 116 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, szs[DBt] ) 117 | if DBt == 'X' or DBt == 'x': 118 | self.varsdict[addr_key]['obj'].set_value( get_bool( reading, 0, bit ) ) 119 | # return get_bool( reading, 0, bit ) 120 | else: 121 | self.varsdict[addr_key]['obj'].set_value( reading ) 122 | # return reading 123 | 124 | # Works with other data types from a Data Block 125 | elif len(addr) == 2 and addr[0][0] == 'D': 126 | DBn = int(addr[0][2:]) 127 | DBt = addr[1][2] 128 | byt = int( addr[1][3:] ) 129 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, szs[DBt] ) 130 | if DBt == 'W' or DBt == 'w': 131 | self.varsdict[addr_key]['obj'].set_value( get_int(reading,0) ) 132 | # return get_int(reading,0) 133 | elif DBt == 'D' or DBt == 'd': 134 | self.varsdict[addr_key]['obj'].set_value( get_real(reading,0) ) 135 | # return get_real(reading,0) 136 | else: 137 | self.varsdict[addr_key]['obj'].set_value( reading ) 138 | 139 | # Works with boolean values from Inputs,Merkels and Outputs 140 | elif len(addr) == 2 : 141 | byt = int( addr[0][1:] ) 142 | bit = int( addr[1] ) 143 | reading = self.plc.read_area( MyPlc.area[addr[0][0]], 0, byt, 1 ) 144 | self.varsdict[addr_key]['obj'].set_value( get_bool(reading,0,bit) ) 145 | # return get_bool(reading,0,bit) 146 | 147 | # Works with other data types from Inputs,Merkels ot Outputs eg MW2 148 | elif len(addr) == 1: 149 | byt = int( addr[0][2:] ) 150 | typ = addr[0][1] 151 | reading = self.plc.read_area( MyPlc.area[ addr[0][0] ], 0, byt, 2 ) 152 | if typ == 'w' or typ == 'W': 153 | self.varsdict[addr_key]['obj'].set_value( get_int(reading,0) ) 154 | # return get_int(reading, 0) 155 | elif typ == 'd' or typ == 'D': 156 | self.varsdict[addr_key]['obj'].set_value( get_real(reading,0) ) 157 | # return get_real(reading, 0) 158 | else: 159 | self.varsdict[addr_key]['obj'].set_value( reading ) 160 | # return reading 161 | 162 | ''' 163 | WRITE DATA TO PLC FROM SERVER 164 | ''' 165 | def write_to_plc(self, addr_key, value ): 166 | addr = addr_key.split('.') 167 | print( "New data change on {} : {}".format( addr_key , value) ) 168 | 169 | # Works with Boolean values from a Data Block 170 | if len(addr) == 3 and addr[0][0] == 'D': 171 | DBn = int(addr[0][2:]) 172 | DBt = addr[1][2] 173 | byt = int( addr[1][3:] ) 174 | bit = int( addr[2] ) 175 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, MyPlc.szs[DBt] ) 176 | if DBt == 'X' or DBt == 'x': 177 | set_bool(reading, 0, bit, value) 178 | self.plc.write_area( MyPlc.area['D'], DBn, byt, reading ) 179 | 180 | # Works with other data types from a Data Block 181 | elif len(addr) == 2 and addr[0][0] == 'D': 182 | DBn = int(addr[0][2:]) 183 | DBt = addr[1][2] 184 | byt = int( addr[1][3:] ) 185 | reading = self.plc.read_area( MyPlc.area['D'], DBn, byt, MyPlc.szs[DBt] ) 186 | if DBt == 'W' or DBt == 'w': 187 | set_int(reading, 0, value) 188 | elif DBt == 'D' or DBt == 'd': 189 | set_real(reading, 0, value) 190 | self.plc.write_area( MyPlc.area['D'], DBn, byt, reading ) 191 | 192 | # Works with boolean values from Inputs,Merkels ot Outputs 193 | elif len(addr) == 2 : 194 | byt = int( addr[0][1:] ) 195 | bit = int( addr[1] ) 196 | reading = self.plc.read_area( MyPlc.area[addr[0][0]], 0, byt, 1 ) 197 | set_bool(reading, 0, bit, value) 198 | self.plc.write_area( MyPlc.area[addr[0][0]], 0, byt, reading ) 199 | 200 | # Works with other data types from Inputs,Merkels ot Outputs eg MW2 201 | elif len(addr) == 1: 202 | byt = int( addr[0][2:] ) 203 | typ = addr[0][1] 204 | reading = self.plc.read_area( MyPlc.area[ addr[0][0] ], 0, byt, 2 ) 205 | if typ == 'w' or typ == 'W': 206 | set_int(reading, 0, value) 207 | elif typ == 'd' or typ == 'D': 208 | set_real(reading, 0, value) 209 | else: 210 | set_data( value ) 211 | self.plc.write_area( MyPlc.area[addr[0][0]], 0, byt, reading ) 212 | 213 | 214 | class SubHandler(): 215 | def __init__(self,myplc): 216 | self.myplc = myplc 217 | 218 | def datachange_notification(self, node, val, data): 219 | self.myplc.threads['writetoplc'] = threading.Thread( target=self.myplc.writetoPLC, args=(val,node) ) 220 | self.myplc.threads['writetoplc'].start() 221 | 222 | def event_notification(self, event): 223 | print("Python: New event", event) 224 | 225 | -------------------------------------------------------------------------------- /myplc/__pycache__/__init__.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/myplc/__pycache__/__init__.cpython-37.pyc -------------------------------------------------------------------------------- /myserver/__init__.py: -------------------------------------------------------------------------------- 1 | from opcua import Server as UAServer 2 | from index.models import Server,Object,Variable 3 | from index.utils import convert_val 4 | 5 | class MyServer: 6 | ''' 7 | initialise opcua server object 8 | ''' 9 | def __init__( self ): 10 | self.opc_server = UAServer() # OPC UA server instance 11 | self.opc_objects_dict = {} 12 | self.opc_variables_dict = {} 13 | # self.db_server=Server.query.get( server_id ) 14 | # self.initialise() 15 | self.instantiate_server_vars() 16 | 17 | def get_db(self,server_id): 18 | self.db_server = Server.query.get( server_id ) 19 | self.instantiate_server_vars() 20 | 21 | ''' 22 | Instantiate all server related variables from the Sqlite DB server 23 | to the opcua server instance 24 | ''' 25 | def initialise( self ): 26 | self.instantiate_server_vars() 27 | 28 | 29 | def instantiate_server_vars( self ): 30 | self.opc_server_endpoint = "opc.tcp://"+self.db_server.server_endpoint_url 31 | self.opc_server_name = self.db_server.server_name 32 | self.opc_server_uri = self.db_server.server_namespace 33 | self.ns_idx = self.opc_server.register_namespace( self.opc_server_uri ) 34 | self.opc_objects = self.opc_server.get_objects_node() 35 | self.opc_server.set_endpoint(self.opc_server_endpoint) 36 | self.load_server( self.db_server.server_objects ) 37 | 38 | ''' 39 | load opc server with objects and variables from the SQlite DB 40 | ''' 41 | def load_server( self, db_objects, parent_obj=None ): 42 | for server_obj in db_objects: 43 | if( server_obj.id not in self.opc_objects_dict ): 44 | if parent_obj is None: 45 | self.opc_objects_dict[server_obj.id] = self.opc_objects.add_object( self.ns_idx, server_obj.object_name ) 46 | else: 47 | self.opc_objects_dict[server_obj.id] = parent_obj.add_object( self.ns_idx, server_obj.object_name ) 48 | 49 | self.load_object_variables(server_obj.object_variables, self.opc_objects_dict[server_obj.id]) 50 | 51 | if( server_obj.get_child_objects().count() > 0 ): 52 | self.load_server(server_obj.get_child_objects(),self.opc_objects_dict[server_obj.id] ) 53 | 54 | 55 | def load_object_variables(self, variables, object_owner): 56 | for variable in variables: 57 | self.opc_variables_dict[variable.variable_address] = object_owner.add_variable( self.ns_idx, variable.variable_name, convert_val(variable.variable_value,variable.variable_type ) ) 58 | if variable.variable_writable: 59 | self.opc_variables_dict[variable.variable_address].set_writable() 60 | 61 | def start_opc_server(self): 62 | self.opc_server.start() 63 | 64 | def stop_opc_server(self): 65 | self.opc_server.stop() 66 | 67 | @classmethod 68 | def kill_all_servers(cls): 69 | for addr in addrs: 70 | pass 71 | 72 | 73 | 74 | 75 | 76 | -------------------------------------------------------------------------------- /myserver/__pycache__/__init__.cpython-37.pyc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Andykibz/opcserver/ec06c31726a68f766a030d71e583ee63ee0acc07/myserver/__pycache__/__init__.cpython-37.pyc -------------------------------------------------------------------------------- /run.py: -------------------------------------------------------------------------------- 1 | from index import app 2 | if __name__ == "__main__": 3 | app.run('0.0.0.0',debug=True) 4 | -------------------------------------------------------------------------------- /s71200opc.egg-info/PKG-INFO: -------------------------------------------------------------------------------- 1 | Metadata-Version: 1.0 2 | Name: s71200opc 3 | Version: 0.1.dev0 4 | Summary: UNKNOWN 5 | Home-page: UNKNOWN 6 | Author: Andrew Kibor 7 | Author-email: andykibz@gmail.com 8 | License: MIT 9 | Description: Connect PLC to opcserver 10 | Platform: UNKNOWN 11 | -------------------------------------------------------------------------------- /s71200opc.egg-info/SOURCES.txt: -------------------------------------------------------------------------------- 1 | README.txt 2 | setup.py 3 | index/__init__.py 4 | index/forms.py 5 | index/models.py 6 | index/routes.py 7 | index/utils.py 8 | myplc/__init__.py 9 | myserver/__init__.py 10 | s71200opc.egg-info/PKG-INFO 11 | s71200opc.egg-info/SOURCES.txt 12 | s71200opc.egg-info/dependency_links.txt 13 | s71200opc.egg-info/requires.txt 14 | s71200opc.egg-info/top_level.txt -------------------------------------------------------------------------------- /s71200opc.egg-info/dependency_links.txt: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /s71200opc.egg-info/requires.txt: -------------------------------------------------------------------------------- 1 | Flask 2 | opcua 3 | python-snap7 4 | SQLAlchemy 5 | Flask-SQLAlchemy 6 | cryptography 7 | WTForms 8 | Flask-WTF 9 | -------------------------------------------------------------------------------- /s71200opc.egg-info/top_level.txt: -------------------------------------------------------------------------------- 1 | index 2 | myplc 3 | myserver 4 | -------------------------------------------------------------------------------- /setup.py: -------------------------------------------------------------------------------- 1 | from setuptools import setup 2 | 3 | setup( 4 | name='s71200opc', 5 | version='0.1dev', 6 | packages=['myplc','index','myserver'], 7 | license='MIT', 8 | author='Andrew Kibor', 9 | author_email='andykibz@gmail.com', 10 | long_description="Connect PLC to opcserver", 11 | install_requires=[ 12 | 'cffi', 13 | 'Click', 14 | 'cryptography', 15 | 'Flask', 16 | 'Flask-SQLAlchemy', 17 | 'Flask-WTF', 18 | 'itsdangerous', 19 | 'Jinja2', 20 | 'lxml', 21 | 'MarkupSafe', 22 | 'opcua', 23 | 'pycparser', 24 | 'python-dateutil', 25 | 'python-snap7', 26 | 'pytz', 27 | 'six', 28 | 'SQLAlchemy', 29 | 'Werkzeug', 30 | 'WTForms' 31 | ], 32 | ) 33 | --------------------------------------------------------------------------------