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 open in IO files DB."""
39 if "file_out" in io_db:
40 io_db["file_out"].close()
41 os.remove(io_db["path_out"])
42 if "file_in" in io_db:
43 io_db["file_in"].close()
44 os.remove(io_db["path_in"])
45 if "file_worldstate" in io_db:
46 io_db["file_worldstate"].close()
47 os.remove(io_db["path_worldstate"])
50 def detect_atomic_leftover(path):
51 """Raise explained HandledException if file is found at path + "_tmp"."""
52 path_tmp = path + "_tmp"
53 msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
54 "aborted previous attempt to write '" + path + "'. Aborting until " \
55 "the matter is resolved by removing it from its current path."
56 if os.access(path_tmp, os.F_OK):
57 raise HandledException(msg)
62 parser = argparse.ArgumentParser()
63 parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
65 args, unknown = parser.parse_known_args()
66 print("Replay: " + str(args.replay))
67 # print("DUMMY: Obey command-line arguments.")
68 # print("DUMMY: Open files.")
69 setup_server_io(io_db)
70 # print("DUMMY: Run game.")
71 path_recordfile = "recordfile"
72 path_savefile = "savefile"
73 detect_atomic_leftover(path_savefile)
74 detect_atomic_leftover(path_recordfile)
75 if os.access(path_savefile, os.F_OK):
76 print(open(path_savefile, "r").read())
78 msg = "MAKE_WORLD " + str(int(time.time()))
82 except HandledException as exception:
84 print(exception.args[0])
86 print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
89 cleanup_server_io(io_db)
90 # print("DUMMY: (Clean up C heap.)")