Move log setup functional

... to main file.

Fix:
 - HTTP handler:
   - Rename function __write_func into http handler file;
   - Change close connection functions to self.__close().

config.py

@@ -16,16 +16,6 @@ SETUP = {
     }
 }
 
-
-if SETUP["setup"]["log_to_file"]:
-    logging.basicConfig(filename=os.path.join(os.getcwd(), "log", "main.log"), filemode="a", encoding="UTF-8",
-                        level=SETUP["setup"]["log_level"],
-                        format="[%(asctime)s][%(levelname)s][%(name)s] %(message)s")
-else:
-    logging.basicConfig(encoding="UTF-8", level=SETUP["setup"]["log_level"],
-                        format="[%(asctime)s][%(levelname)s][%(name)s] %(message)s")
-
-
 urls = [
     Path("/", HandlerType.STATIC_FILE, "index.html"),
     Path("/func", HandlerType.FUNCTION, testmod.work, HTTPMethod.GET|HTTPMethod.POST),

main.py

@@ -2,13 +2,23 @@
 import os
 import logging
 
+import config
+
 from server.main import init_server_socket
 from server.http_handler import HTTPHandler
-import config
 
 
 log = logging.getLogger(__name__)
 
+if config.SETUP["setup"]["log_to_file"]:
+    logging.basicConfig(filename=os.path.join(os.getcwd(), "log", "main.log"), filemode="a", encoding="UTF-8",
+                        level=config.SETUP["setup"]["log_level"],
+                        format="[%(asctime)s][%(levelname)s][%(name)s] %(message)s")
+else:
+    logging.basicConfig(encoding="UTF-8", level=config.SETUP["setup"]["log_level"],
+                        format="[%(asctime)s][%(levelname)s][%(name)s] %(message)s")
+
+
 if __name__ == "__main__":
     try:
         os.mkdir(os.path.join(os.getcwd(), "log"))

server/http_handler.py

@@ -165,14 +165,12 @@ class HTTPHandler:
 
             if len(raw) > MAX_REQUEST_LINE_SIZE:
                 log.debug("Request header line too long")
-                self.conn.send(b"")
-                self.conn.close()
+                self.__close()
                 return
 
             if raw == b"":
                 log.debug("Client not send data, close connection")
-                self.conn.send(b"")
-                self.conn.close()
+                self.__close()
                 return
 
             if raw == b"\r\n" or raw == b"\n":
@@ -201,8 +199,7 @@ class HTTPHandler:
                 bytes_to_receive = int(self.http_headers["Content-Length"])
             else:
                 log.error("  Content-Length is not integer")
-                self.conn.send(b"")
-                self.conn.close()
+                self.__close()
                 return
 
             log.debug("Want to receive {} bytes from client".format(bytes_to_receive))
@@ -259,6 +256,6 @@ class HTTPHandler:
 
         if not found:
             r = Response(status_code=404, data=b"Not found!")
-            self.__write_func(r)
+            self.__write_data(r)
 
         self.__close()