add starting webserver and terminating webserver

src/blenderbim/blenderbim/bim/module/web/operator.py

@@ -28,11 +28,11 @@ class ConnectToWebsocketServer(bpy.types.Operator):
     bl_description = "Start/Connect to a Websocket server"
 
     def execute(self, context):
-        port = context.scene.WebProperties.Webserver_port
+        port = context.scene.WebProperties.webserver_port
         if port == 0:
-            context.scene.WebProperties.Webserver_port = core.generate_port_number(tool.Web)
+            context.scene.WebProperties.webserver_port = core.generate_port_number(tool.Web)
 
-        port = context.scene.WebProperties.Webserver_port
+        port = context.scene.WebProperties.webserver_port
         core.connect_websocket_server(tool.Web, port)
         return {"FINISHED"}
 
@@ -43,4 +43,5 @@ class killWebsocketServer(bpy.types.Operator):
     bl_description = "Kill running websocket server"
 
     def execute(self, context):
+        core.kill_websocket_server(tool.Web)
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/web/prop.py

@@ -31,4 +31,5 @@ from bpy.props import (
 
 
 class WebProperties(PropertyGroup):
-    Webserver_port: IntProperty(name="Webserver Port")
+    webserver_port: IntProperty(name="Webserver Port")
+    show_webserver_running: BoolProperty(name="Show Webserver Running", default=False)

src/blenderbim/blenderbim/bim/module/web/ui.py

@@ -35,7 +35,11 @@ class BIM_PT_webui(Panel):
         props = scene.WebProperties
 
         row = layout.row()
-        row.prop(props, "Webserver_port", text="Webserver Port")
+        row.prop(props, "webserver_port", text="Webserver Port")
+
+        if props.show_webserver_running:
+            row = layout.row()
+            row.label(text=f"Web Server running on port {props.webserver_port}")
 
         row = layout.row()
         row.operator("bim.connect_websocket_server")

src/blenderbim/blenderbim/core/web.py

@@ -10,5 +10,13 @@ def connect_websocket_server(web, port):
     # check if port already has a server listening to it
     if web.is_port_available(port):
         web.start_websocket_server(port)
+        web.show_webserver_running()
+    else:
+        web.hide_webserver_running()
 
     web.connect_websocket_server(port)
+
+
+def kill_websocket_server(web):
+    web.kill_websocket_server()
+    web.hide_webserver_running()

src/blenderbim/blenderbim/tool/web.py

@@ -22,6 +22,7 @@ import blenderbim.core.tool
 from typing import Union, Literal
 import socket
 import os
+import subprocess
 import webbrowser
 import asyncio
 import threading
@@ -32,6 +33,7 @@ CONNECTION_CHECK_DELAY = 10
 connected_sockets = set()
 websocket_server: websockets.WebSocketServer
 ws_thread_loop = asyncio.new_event_loop()
+ws_process = None
 
 
 class Web(blenderbim.core.tool.Web):
@@ -55,12 +57,39 @@ class Web(blenderbim.core.tool.Web):
 
     @classmethod
     def start_websocket_server(cls, port):
-        pass
+        global ws_process
+        ws_path = os.path.join(bpy.context.scene.BIMProperties.data_dir, "webui", "app.py")
+
+        env = os.environ.copy()
+        env["FLASK_APP"] = ws_path
+
+        ws_process = subprocess.Popen(["flask", "run", str(port), "--debug"], env=env)
 
     @classmethod
     def connect_websocket_server(cls, port):
         pass
 
+    @classmethod
+    def kill_websocket_server(cls):
+        global ws_process
+
+        if ws_process is None:
+            print("No webserver running")
+            return
+
+        ws_process.terminate()
+        ws_process.wait()
+        print("Webserver terminated successfully")
+        ws_process = None
+
+    @classmethod
+    def show_webserver_running(cls):
+        bpy.context.scene.WebProperties.show_webserver_running = True
+
+    @classmethod
+    def hide_webserver_running(cls):
+        bpy.context.scene.WebProperties.show_webserver_running = False
+
     @classmethod
     def get_webui_data(cls):
         data = {}