added settings for httpport, implemented basic http server

Author: saschaludwig

settings.ui

@@ -1363,6 +1363,16 @@
            </property>
           </widget>
          </item>
+         <item row="1" column="0">
+          <widget class="QLabel" name="label_12">
+           <property name="text">
+            <string>HTTP Port</string>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="1">
+          <widget class="QLineEdit" name="httpport"/>
+         </item>
         </layout>
        </item>
        <item row="1" column="0">

settings_functions.py

@@ -42,7 +42,7 @@
 from collections import defaultdict
 import json
 
-versionString = "0.9beta2"
+versionString = "0.9beta4"
 
 
 # class OASSettings for use from OAC
@@ -261,6 +261,7 @@ def restoreSettingsFromConfig(self):
 
         settings.beginGroup("Network")
         self.udpport.setText(settings.value('udpport', '3310'))
+        self.httpport.setText(settings.value('httpport', '8010'))
         settings.endGroup()
 
         settings.beginGroup("Formatting")
@@ -340,6 +341,7 @@ def getSettingsFromDialog(self):
 
         settings.beginGroup("Network")
         settings.setValue('udpport', self.udpport.displayText())
+        settings.setValue('httpport', self.httpport.displayText())
         settings.endGroup()
 
         settings.beginGroup("Formatting")

start.py

@@ -48,7 +48,11 @@
 import ntplib
 import signal
 import socket
-from settings_functions import Settings
+from settings_functions import Settings, versionString
+
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+HOST, PORT = '127.0.0.1', 12345
 
 
 class MainScreen(QWidget, Ui_MainScreen):
@@ -174,6 +178,10 @@ def __init__(self):
         self.udpsock.bind(port, QUdpSocket.ShareAddress)
         self.udpsock.readyRead.connect(self.cmdHandler)
 
+        # Setup HTTP Server
+        self.httpd = HttpDaemon(self)
+        self.httpd.start()
+
         # display all host addresses
         self.displayAllHostaddresses()
 
@@ -1045,6 +1053,9 @@ def shutdown_host(self):
             cmd = "shutdown -f -t 0"
             pass
 
+    def closeEvent(self, event):
+        self.httpd.stop()
+
 
 class checkNTPOffsetThread(QThread):
 
@@ -1086,7 +1097,50 @@ def run(self):
             self.oas.ntpHadWarning = True
 
 
-###################################
+class HttpDaemon(QThread):
+    def run(self):
+        settings = QSettings(QSettings.UserScope, "astrastudio", "OnAirScreen")
+        settings.beginGroup("Network")
+        port = int(settings.value('httpport', 8010))
+        settings.endGroup()
+
+        Handler = OASHTTPRequestHandler
+        self._server = HTTPServer((HOST, port), Handler)
+        self._server.serve_forever()
+
+    def stop(self):
+        self._server.shutdown()
+        self._server.socket.close()
+        self.wait()
+
+
+class OASHTTPRequestHandler(BaseHTTPRequestHandler):
+    server_version = "OnAirScreen/%s" % versionString
+    # handle HEAD request
+    def do_HEAD(self):
+        self.send_response(200)
+        self.send_header("Content-type", "text/html")
+        self.end_headers()
+
+    # handle GET command
+    def do_GET(self):
+        print(self.path)
+        try:
+            if self.path.startswith('/CMD'):
+                self.send_response(200)
+
+                # send header first
+                self.send_header('Content-type', 'text-html')
+                self.end_headers()
+
+                # send file content to client
+                self.wfile.write(b"YEAH")
+                return
+
+        except IOError:
+            self.send_error(404, 'file not found')
+
+        ###################################
 # App SIGINT handler
 ###################################
 def sigint_handler(*args):