first dameon tests

list of audio devices already working

daemon.py

@@ -0,0 +1,155 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+"""
+Created on Tue Dec 22 16:58:45 2020
+
+@author: DJ2LS
+
+"""
+
+
+import argparse
+import threading
+import socketserver
+import pyaudio
+import time
+import json
+PORT = 3001
+
+#p = pyaudio.PyAudio()
+#info = p.get_host_api_info_by_index(0)
+#numdevices = info.get('deviceCount')
+#for each audio device, determine if is an input or an output and add it to the appropriate list and dictionary
+#for i in range (0,numdevices):
+#        if p.get_device_info_by_host_api_device_index(0,i).get('maxInputChannels')>0:
+#                print("Input Device id ", i, " - ", p.get_device_info_by_host_api_device_index(0,i).get('name'))#
+#
+#        if p.get_device_info_by_host_api_device_index(0,i).get('maxOutputChannels')>0:
+#                print("Output Device id ", i, " - ", p.get_device_info_by_host_api_device_index(0,i).get('name'))
+
+def start_daemon():
+
+    try:
+        print("SRV | STARTING TCP/IP SOCKET FOR CMD ON PORT: " + str(PORT))
+        socketserver.TCPServer.allow_reuse_address = True  # https://stackoverflow.com/a/16641793
+        daemon = socketserver.TCPServer(('0.0.0.0', PORT), CMDTCPRequestHandler)
+        daemon.serve_forever()
+
+    finally:
+        daemon.server_close()
+        
+        
+class CMDTCPRequestHandler(socketserver.BaseRequestHandler):
+
+    def handle(self):
+        print("Client connected...")    
+        
+        # loop through socket buffer until timeout is reached. then close buffer
+        socketTimeout = time.time() + 3
+        while socketTimeout > time.time():
+
+            time.sleep(0.01)
+            encoding = 'utf-8'
+            #data = str(self.request.recv(1024), 'utf-8')
+
+            data = bytes()
+            
+            # we need to loop through buffer until end of chunk is reached or timeout occured
+            while True and socketTimeout > time.time():
+                chunk = self.request.recv(1024)  # .strip()
+                data += chunk
+                if chunk.endswith(b'\n'):
+                    break
+            data = data[:-1]  # remove b'\n'
+            data = str(data, 'utf-8')
+            #print(data)
+            
+            if len(data) > 0:
+                socketTimeout = time.time() + 3
+            
+            # convert data to json object
+            # we need to do some error handling in case of socket timeout
+            
+            try:
+                received_json = json.loads(data)
+
+            except:
+                received_json = ''
+
+            
+
+            # GET COMMANDS
+            # "command" : "..."
+            
+            # SET COMMANDS
+            # "command" : "..."
+            # "parameter" : " ..."
+            
+            # DATA COMMANDS
+            # "command" : "..."
+            # "type" : "..."
+            # "dxcallsign" : "..."
+            # "data" : "..."
+            
+            print(received_json)
+            #print(received_json["type"])
+            #print(received_json["command"]) 
+            try:
+
+                
+                if received_json["type"] == 'SET' and received_json["command"] == 'TNC_STATUS':
+                    parameter = received_json["parameter"]
+
+
+                if received_json["type"] == 'GET' and received_json["command"] == 'DAEMON_STATE':
+
+                    data = {'COMMAND' : 'DAEMON_STATE', 'DAEMON_STATE' : [], 'INPUT_DEVICES': [], 'OUTPUT_DEVICES': []}
+
+                    data["DAEMON_STATE"].append({"STATUS": "stopped"})
+
+
+                    p = pyaudio.PyAudio()
+                    for i in range(0, p.get_device_count()):
+                        
+                        maxInputChannels = p.get_device_info_by_host_api_device_index(0,i).get('maxInputChannels')
+                        maxOutputChannels = p.get_device_info_by_host_api_device_index(0,i).get('maxOutputChannels')
+                        name = p.get_device_info_by_host_api_device_index(0,i).get('name')  
+                        
+                        if maxInputChannels > 0:                        
+                            data["INPUT_DEVICES"].append({"ID": i, "NAME" : name})  
+                        if maxOutputChannels > 0:                        
+                            data["OUTPUT_DEVICES"].append({"ID": i, "NAME" : name})  
+                          
+                    print(data)
+                    jsondata = json.dumps(data)
+                    self.request.sendall(bytes(jsondata, encoding))
+                
+              
+            
+            #exception, if JSON cant be decoded
+            except:
+                print("Wrong command")        
+        print("Client disconnected...")
+
+
+if __name__ == '__main__':
+
+
+    # --------------------------------------------GET PARAMETER INPUTS
+    PARSER = argparse.ArgumentParser(description='Simons TEST TNC')
+    PARSER.add_argument('--port', dest="socket_port", default=3001, help="Socket port", type=int)
+
+    ARGS = PARSER.parse_args()
+    PORT = ARGS.socket_port
+
+
+    # --------------------------------------------START CMD SERVER
+
+    DAEMON_THREAD = threading.Thread(target=start_daemon, name="daemon")
+    DAEMON_THREAD.start()
+    
+    
+    
+    
+    
+