#!/usr/bin/env python3
-
-import socketserver
-import plom_socket_io
-import threading
-import time
-
-# Avoid "Address already in use" errors.
-socketserver.TCPServer.allow_reuse_address = True
-
-
-class Server(socketserver.ThreadingTCPServer):
- """Bind together threaded IO handling server and world state (counter)."""
-
- def __init__(self, counter, *args, **kwargs):
- super().__init__(*args, **kwargs)
- self.counter = counter
- self.daemon_threads = True # Else, server's threads have daemon=False.
-
-
-def fib(n):
- """Calculate n-th Fibonacci number."""
- if n in (1, 2):
- return 1
+import sys
+import os
+import server_.game
+
+
+if len(sys.argv) != 2:
+ print('wrong number of arguments, expected one (game file)')
+ exit(1)
+game_file_name = sys.argv[1]
+game = server_.game.Game(game_file_name)
+if os.path.exists(game_file_name):
+ if not os.path.isfile(game_file_name):
+ print('game file name does not refer to a valid game file')
else:
- return fib(n-1) + fib(n-2)
-
-
-class IO_Handler(socketserver.BaseRequestHandler):
-
- def handle(self):
- """Loop recv for input, send replies; also, send regular counter value.
-
- If input is 'QUIT', send reply 'BYE' and end loop / connection.
- Otherwise, use handle_message to interpret and enact commands.
- """
- def caught_send(socket, message):
- """Send message by socket, catch broken socket connection error."""
- try:
- plom_socket_io.send(socket, message)
- except plom_socket_io.BrokenSocketConnection:
- pass
-
- def send_counter_loop(socket, counter, kill):
- """Every 5 seconds, send state of counter[0] until kill[0] set."""
- while not kill[0]:
- caught_send(socket, 'COUNTER ' + str(counter[0]))
- time.sleep(5)
-
- def handle_message(message):
- """Evaluate message for tasks to perform, yield result.
-
- Accepts one command: FIB, followed by positive integers, all tokens
- separated by whitespace. Will calculate and return for each such
- integer n the n-th Fibonacci number. Uses multiprocessing to
- perform multiple such calculations in parallel. Yields a
- 'CALCULATING …' message before the calculation starts, and finally
- yields a message containing the results. (The 'CALCULATING …'
- message coming before the results message is currently the main
- reason this works as a generator function using yield.)
-
- When no command can be read into the message, just yields a 'NO
- COMMAND UNDERSTOOD:', followed by the message.
- """
- from multiprocessing import Pool
- tokens = message.split(' ')
- if tokens[0] == 'FIB':
- msg_fail_fib = 'MALFORMED FIB REQUEST'
- if len(tokens) < 2:
- yield msg_fail_fib
- return
- numbers = []
- for token in tokens[1:]:
- if token != '0' and token.isdigit():
- numbers += [int(token)]
- elif token == '':
- continue
- else:
- yield msg_fail_fib
- return
- yield 'CALCULATING …'
- reply = ''
- with Pool(len(numbers)) as p:
- results = p.map(fib, numbers)
- reply = ' '.join([str(r) for r in results])
- yield reply
- return
- yield 'NO COMMAND UNDERSTOOD: %s' % message
-
- print('CONNECTION FROM:', str(self.client_address))
- counter_loop_killer = [False]
- send_count = threading.Thread(target=send_counter_loop,
- kwargs={'counter': self.server.counter,
- 'socket': self.request,
- 'kill': counter_loop_killer})
- send_count.start()
- for message in plom_socket_io.recv(self.request):
- if message is None:
- print('RECEIVED MALFORMED MESSAGE')
- caught_send(self.request, 'bad message')
- elif 'QUIT' == message:
- caught_send(self.request, 'BYE')
- break
- else:
- print('RECEIVED MESSAGE:', message)
- for reply in handle_message(message):
- caught_send(self.request, reply)
- counter_loop_killer = [True]
- print('CONNECTION CLOSED:', str(self.client_address))
- self.request.close()
-
-
-def inc_loop(counter, interval):
- """Loop incrementing counter every interval seconds."""
- while True:
- time.sleep(interval)
- counter[0] += 1
-
-
-counter = [0]
-b = threading.Thread(target=inc_loop, daemon=True, kwargs={'counter': counter,
- 'interval': 1})
-b.start()
-server = Server(counter, ('localhost', 5000), IO_Handler)
-try:
- server.serve_forever()
-except KeyboardInterrupt:
- pass
-finally:
- print('Killing server')
- server.server_close()
+ with open(game_file_name, 'r') as f:
+ lines = f.readlines()
+ for i in range(len(lines)):
+ line = lines[i]
+ print("FILE INPUT LINE %5s: %s" % (i, line), end='')
+ game.io.handle_input(line, store=False)
+else:
+ game.io.handle_input('GEN_WORLD Hex Y:16,X:16 bar')
+game.io.run_loop_with_server()