Начальный комит

handlers/smtp.py

@@ -0,0 +1,29 @@
+from socketserver import StreamRequestHandler
+
+ERR_CODE = {
+            220 : ''
+            500 : 'Syntax error, command unrecognized',
+            }
+
+class SmtpProcessor(object):
+    def __init__(self, src_addr, rfile,wfile):
+        self.src_addr = src_addr
+        self.rfile = rfile
+        self.wfile = wfile
+        self.unrec_commands_count = 0
+
+class SmtpHandler(StreamRequestHandler):
+
+    def handle(self):
+        # self.rfile is a file-like object created by the handler;
+        # we can now use e.g. readline() instead of raw recv() calls
+        self.data = self.rfile.readline().strip()
+        print("{} wrote:".format(self.client_address[0]))
+        print(self.data)
+        # Likewise, self.wfile is a file-like object used to write back
+        # to the client
+        self.wfile.write(self.data.upper())
+        
+        #######################################################
+        processor = SmtpProcessor(self.client_address, self.rfile, self.wfile)
+        

main.py

@@ -1,31 +1,38 @@
-import asyncio
+import socketserver, subprocess, sys
+from threading import Thread
+from pprint import pprint
+import json
 
-clients = {} # task -> (reader, writer)
+my_unix_command = ['bc']
+HOST = 'localhost'
+PORT = 2000
 
-def client_connected_handler(client_reader, client_writer):
-    # Start a new asyncio.Task to handle this specific client connection
-    task = asyncio.Task(handle_client(client_reader, client_writer))
-    clients[task] = (client_reader, client_writer)
+class SingleTCPHandler(socketserver.StreamRequestHandler):
 
-    def client_done(task):
-        # When the tasks that handles the specific client connection is done
-        del clients[task]
+    def handle(self):
+        # self.rfile is a file-like object created by the handler;
+        # we can now use e.g. readline() instead of raw recv() calls
+        self.data = self.rfile.readline().strip()
+        print("{} wrote:".format(self.client_address[0]))
+        print(self.data)
+        # Likewise, self.wfile is a file-like object used to write back
+        # to the client
+        self.wfile.write(self.data.upper())
 
-    # Add the client_done callback to be run when the future becomes done
-    task.add_done_callback(client_done)
 
-@asyncio.coroutine
-def handle_client(client_reader, client_writer):
-    # Handle the requests for a specific client with a line oriented protocol
-    while True:
-        # Read a line
-        data = (yield from client_reader.readline())
-        # Send it back to the client
-        client_writer.write(data)
+class SimpleServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
+    # Ctrl-C will cleanly kill all spawned threads
+    daemon_threads = True
+    # much faster rebinding
+    allow_reuse_address = True
 
-loop = asyncio.get_event_loop()
-server = loop.run_until_complete(asyncio.start_server(client_connected_handler, 'localhost', 2222))
+    def __init__(self, server_address, RequestHandlerClass):
+        socketserver.TCPServer.__init__(self, server_address, RequestHandlerClass)
+
+if __name__ == "__main__":
+    server = SimpleServer((HOST, PORT), SingleTCPHandler)
+    # terminate with Ctrl-C
     try:
-    loop.run_forever()
-finally:
-    loop.close()
+        server.serve_forever()
+    except KeyboardInterrupt:
+        sys.exit(0)