7 class HandledException(Exception):
8 """Feature-less Exception child. Use for expected operational errors."""
13 def setup_server_io(io_db):
14 """Fill IO files DB with proper file( path)s. Write process IO test string.
16 Ensure IO files directory at server/. Remove any old in file if found. Set
17 up new in file (io_db["file_in"]) for reading at io_db["path_in"], and new
18 out file (io_db["file_out"]) for writing at io_db["path_out"]. Start out
19 file with process hash line of format PID + " " + floated UNIX time
20 (io_db["teststring"]). Set worldstate file path io_db["path_worldstate"].
23 io_db["path_in"] = io_dir + "in"
24 io_db["path_out"] = io_dir + "out"
25 io_db["path_worldstate"] = io_dir + "worldstate"
26 io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
27 os.makedirs(io_dir, exist_ok=True)
28 io_db["file_out"] = open(io_db["path_out"], "w")
29 io_db["file_out"].write(io_db["teststring"] + "\n")
30 if os.access(io_db["path_in"], os.F_OK):
31 os.remove(io_db["path_in"])
32 io_db["file_in"] = open(io_db["path_in"], "w")
33 io_db["file_in"].close()
34 io_db["file_in"] = open(io_db["path_in"], "r")
37 def cleanup_server_io(io_db):
38 """Close and remove all files in IO files DB."""
39 io_db["file_out"].close()
40 os.remove(io_db["path_out"])
41 io_db["file_in"].close()
42 os.remove(io_db["path_in"])
43 if "file_worldstate" in io_db: # This file's only set up
44 io_db["file_worldstate"].close() # properly when the game
45 if os.access(io_db["path_worldstate"], os.F_OK): # world is active, which
46 os.remove(io_db["path_worldstate"]) # is not guaranteed.
49 def detect_atomic_leftover(path):
50 """Raise explained HandledException if file is found at path + "_tmp"."""
51 path_tmp = path + "_tmp"
52 msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
53 "aborted previous attempt to write '" + path + "'. Aborting until " \
54 "the matter is resolved by removing it from its current path."
55 if os.access(path_tmp, os.F_OK):
56 raise HandledException(msg)
61 parser = argparse.ArgumentParser(add_help=False)
62 parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
64 args, unknown = parser.parse_known_args()
65 print("Replay: " + str(args.replay))
66 print("DUMMY: Obey command-line arguments.")
67 print("DUMMY: Open files.")
68 setup_server_io(io_db)
69 print("DUMMY: Run game.")
70 path_recordfile = "recordfile"
71 path_savefile = "savefile"
72 detect_atomic_leftover(path_savefile)
73 detect_atomic_leftover(path_recordfile)
74 if os.access(path_savefile, os.F_OK):
75 print(open(path_savefile, "r").read())
77 msg = "MAKE_WORLD " + str(int(time.time()))
79 except HandledException as exception:
81 print(exception.args[0])
83 print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
86 cleanup_server_io(io_db)
87 print("DUMMY: (Clean up C heap.)")