--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mqtt/client.py	Wed Jun 12 11:45:09 2024 +0200
@@ -0,0 +1,145 @@
+# mqtt/client.py
+
+from __future__ import absolute_import
+
+import os
+
+from editors.ConfTreeNodeEditor import ConfTreeNodeEditor
+from PLCControler import LOCATION_CONFNODE, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT
+from .mqtt_client_gen import MQTTClientPanel, MQTTClientModel, MQTT_IEC_types, authParams
+
+import util.paths as paths
+
+PahoMqttCPath = paths.ThirdPartyPath("MQTT")
+PahoMqttCLibraryPath = PahoMqttCPath 
+PahoMqttCIncludePaths = [PahoMqttCPath]
+
+class MQTTClientEditor(ConfTreeNodeEditor):
+    CONFNODEEDITOR_TABS = [
+        (_("MQTT Client"), "CreateMQTTClient_UI")]
+
+    def Log(self, msg):
+        self.Controler.GetCTRoot().logger.write(msg)
+
+    def CreateMQTTClient_UI(self, parent):
+        return MQTTClientPanel(parent, self.Controler.GetModelData(), self.Log, self.Controler.GetConfig)
+
+class MQTTClient(object):
+    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
+    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+      <xsd:element name="MQTTClient">
+        <xsd:complexType>
+          <xsd:sequence>
+            <xsd:element name="AuthType" minOccurs="0">
+              <xsd:complexType>
+                <xsd:choice minOccurs="0">
+                  <xsd:element name="x509">
+                    <xsd:complexType>
+                      <xsd:attribute name="Certificate" type="xsd:string" use="optional" default="certificate.pem"/>
+                      <xsd:attribute name="PrivateKey" type="xsd:string" use="optional" default="private_key.pem"/>
+                    </xsd:complexType>
+                  </xsd:element>
+                  <xsd:element name="UserPassword">
+                    <xsd:complexType>
+                      <xsd:attribute name="User" type="xsd:string" use="optional"/>
+                      <xsd:attribute name="Password" type="xsd:string" use="optional"/>
+                    </xsd:complexType>
+                  </xsd:element>
+                </xsd:choice>
+              </xsd:complexType>
+            </xsd:element>
+          </xsd:sequence>
+          <xsd:attribute name="Broker_URI" type="xsd:string" use="optional" default="ws://localhost:1883"/>
+        </xsd:complexType>
+      </xsd:element>
+    </xsd:schema>
+    """
+
+    EditorType = MQTTClientEditor
+
+    def __init__(self):
+        self.modeldata = MQTTClientModel(self.Log, self.CTNMarkModified)
+
+        filepath = self.GetFileName()
+        if os.path.isfile(filepath):
+            self.modeldata.LoadCSV(filepath)
+
+    def Log(self, msg):
+        self.GetCTRoot().logger.write(msg)
+
+    def GetModelData(self):
+        return self.modeldata
+
+    def GetConfig(self):
+        def cfg(path): 
+            try:
+                attr=self.GetParamsAttributes("MQTTClient."+path)
+            except ValueError:
+                return None
+            return attr["value"]
+
+        AuthType = cfg("AuthType")
+        res = dict(URI=cfg("Broker_URI"), AuthType=AuthType)
+
+        paramList = authParams.get(AuthType, None)
+        if paramList:
+            for name,default in paramList:
+                value = cfg("AuthType."+name)
+                if value == "" or value is None:
+                    value = default
+                # cryptomaterial is expected to be in project's user provide file directory
+                if name in ["Certificate","PrivateKey"]:
+                    value = os.path.join(self.GetCTRoot()._getProjectFilesPath(), value)
+                res[name] = value
+
+        return res
+
+    def GetFileName(self):
+        return os.path.join(self.CTNPath(), 'selected.csv')
+
+    def OnCTNSave(self, from_project_path=None):
+        self.modeldata.SaveCSV(self.GetFileName())
+        return True
+
+    def CTNGenerate_C(self, buildpath, locations):
+        current_location = self.GetCurrentLocation()
+        locstr = "_".join(map(str, current_location))
+        c_path = os.path.join(buildpath, "mqtt_client__%s.c" % locstr)
+
+        c_code = '#include "beremiz.h"\n'
+        c_code += self.modeldata.GenerateC(c_path, locstr, self.GetConfig())
+
+        with open(c_path, 'w') as c_file:
+            c_file.write(c_code)
+
+        LDFLAGS = [' "' + os.path.join(PahoMqttCLibraryPath, "libpaho-mqtt3as.a") + '"', '-lcrypto']
+
+        CFLAGS = ' '.join(['-I"' + path + '"' for path in PahoMqttCIncludePaths])
+
+        return [(c_path, CFLAGS)], LDFLAGS, True
+
+    def GetVariableLocationTree(self):
+        current_location = self.GetCurrentLocation()
+        locstr = "_".join(map(str, current_location))
+        name = self.BaseParams.getName()
+        entries = []
+        for direction, data in self.modeldata.iteritems():
+            iec_direction_prefix = {"input": "__I", "output": "__Q"}[direction]
+            for row in data:
+                dname, ua_nsidx, ua_nodeid_type, _ua_node_id, ua_type, iec_number = row
+                iec_type, C_type, iec_size_prefix, ua_type_enum, ua_type = MQTT_IEC_types[ua_type]
+                c_loc_name = iec_direction_prefix + iec_size_prefix + locstr + "_" + str(iec_number)
+                entries.append({
+                    "name": dname,
+                    "type": {"input": LOCATION_VAR_INPUT, "output": LOCATION_VAR_OUTPUT}[direction],
+                    "size": {"X":1, "B":8, "W":16, "D":32, "L":64}[iec_size_prefix],
+                    "IEC_type": iec_type,
+                    "var_name": c_loc_name,
+                    "location": iec_size_prefix + ".".join([str(i) for i in current_location]) + "." + str(iec_number),
+                    "description": "",
+                    "children": []})
+        return {"name": name,
+                "type": LOCATION_CONFNODE,
+                "location": ".".join([str(i) for i in current_location]) + ".x",
+                "children": entries}
+