From d54b74e65f13c35f72be4b72c712dfc1032fc13e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=98=D0=B2=D0=B0=D0=BD=20=D0=A1=D0=BE=D0=BB=D0=BD=D1=86?=
 =?UTF-8?q?=D0=B5=D0=B2?= <johnsol@internet.ru>
Date: Fri, 22 Dec 2023 02:48:34 +0300
Subject: [PATCH] Create primitive fork HTTP server

---
 .gitignore  |  2 ++
 __main__.py | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 __main__.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fc6fa6e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.log
+*.swp
diff --git a/__main__.py b/__main__.py
new file mode 100755
index 0000000..ba4acb2
--- /dev/null
+++ b/__main__.py
@@ -0,0 +1,54 @@
+#!/usr/bin/python3.12
+
+import os
+import socket
+import logging
+
+
+MAX_REQLINE = 64 * 1024
+
+def service_connections(conn, addr):
+    recv_file = conn.makefile("rb")
+
+    logging.debug("START RECV")
+    raw = recv_file.readline(MAX_REQLINE + 1)
+    logging.debug("END RDLINE")
+    if len(raw) > MAX_REQLINE:
+        logging.debug("Request line is too long")
+        return
+
+    req_line = raw.decode().rstrip("\r\n")
+
+    words = req_line.split(" ")
+
+    if len(words) != 3:
+        logging.debug("Request head too long")
+        return
+
+    if words[0] == "GET":
+        logging.debug("SEND")
+        conn.send(b"HTTP/1.1 200 OK\r\nServer: cnserv\r\n\r\nNone")
+        logging.debug("SENDEND")
+        conn.close()
+        logging.debug("CONNEND")
+
+
+
+if __name__ == "__main__":
+    logging.basicConfig(filename="main.log", filemode="w", encoding="UTF-8",
+        level=logging.DEBUG)
+
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as main_server_socket:
+        main_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
+        main_server_socket.bind(("0.0.0.0", 8080))
+        main_server_socket.listen()
+
+        while True:
+            conn, addr = main_server_socket.accept()
+            conn.settimeout(1)
+            logging.info("Accept connection from %s", addr[0])
+
+            pid = os.fork()
+
+            if pid == 0:
+                service_connections(conn, addr)