added daemon and server module

Author: lp1tek

daemon.py

@@ -0,0 +1,39 @@
+#!/bin/python
+#local imports
+from modules.worker import Worker
+from modules.service import Service
+from modules.utils import *
+from modules.server import Server
+from modules.commands import quit
+#externam imports
+from importlib import import_module
+from sys import stdout
+import logging as log
+import config
+
+LOG_FILENAME = 'python_manager.log'
+worker = Worker()
+server = None
+
+def __init__():
+  global server
+  #  log.basicConfig(filename=LOG_FILENAME,level=log.DEBUG)
+  log.basicConfig(level=log.DEBUG)
+  check_config()
+  for service_name in config.run.keys():
+    service_conf = config.run[service_name]
+    worker.add(Service(service_name, service_conf))
+  server = Server(config.daemon, worker)
+    
+def	main():
+  __init__()
+  worker.start()
+  server.start()
+  log.info('All tasks done. Stopping')
+  return 0
+
+if __name__ == '__main__':
+  try:
+    main()
+  except KeyboardInterrupt as e:
+    quit(worker, [], server)

modules/server.py

@@ -0,0 +1,49 @@
+from modules.commands import handle_input
+import socket
+import select
+
+class Server():
+    def __init__(self, config, worker):
+        self.config = config
+        self.is_running = True
+        self.port = config['port']
+        self.host = config['host']
+        self.inputs = []
+        self.outputs = []
+        self.BUFFER_SIZE = 1024
+        self.worker = worker
+        self.hello = "### Python Manager\nHello !\n#> "
+
+    def start(self):
+        print("Server starting")
+        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.socket.bind((self.host, self.port))
+        self.socket.listen(5)
+        self.inputs.append(self.socket)
+        while self.is_running:
+            _in, _out, exception = select.select(self.inputs,
+                                                 self.outputs,
+                                                 [])
+            for sock in _in:
+                if sock == self.socket:
+                    client, address = sock.accept()
+                    print(address)
+                    self.inputs.append(client)
+                    client.send(self.hello.encode())
+                else:
+                    data = sock.recv(self.BUFFER_SIZE)
+                    if data:
+                        command = data.decode("UTF-8")
+                        success, output = handle_input(command, self.worker, self)
+                        sock.send(output.encode()+b"\n#> ")
+                    else:
+                        if sock in self.outputs:
+                            self.outputs.remove(sock)
+                        if sock in self.inputs:
+                            self.inputs.remove(sock)
+                    if sock not in self.outputs:
+                        self.outputs.append(sock)
+                    
+    def stop(self):    
+        print("Exiting...")
+        self.socket.close()