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Add Python server testing script.
[plomrogue] / plomrogue-server.py
index a7cee78262f7b3ac5515c926206087d6dc93aaaa..77c19acd498326b49f9796c43b7a7b9ad7fc215e 100755 (executable)
@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 import argparse
 import errno
 import os
@@ -26,7 +27,8 @@ def prep_library():
     """Prepare ctypes library at ./libplomrogue.so"""
     libpath = ("./libplomrogue.so")
     if not os.access(libpath, os.F_OK):
-        raise SystemExit("No library " + libpath + ", run ./compile.sh first?")
+        raise SystemExit("No library " + libpath +
+                         ", run ./compile-server.sh first?")
     libpr = ctypes.cdll.LoadLibrary(libpath)
     libpr.seed_rrand.argtypes = [ctypes.c_uint8, ctypes.c_uint32]
     libpr.seed_rrand.restype = ctypes.c_uint32
@@ -56,10 +58,9 @@ def prep_library():
 
 
 def strong_write(file, string):
-    """Apply write(string), flush(), and os.fsync() to file."""
+    """Apply write(string), then flush()."""
     file.write(string)
     file.flush()
-    os.fsync(file)
 
 
 def setup_server_io():
@@ -79,6 +80,9 @@ def setup_server_io():
         if os.access(path_tmp, os.F_OK):
             raise SystemExit(msg)
     io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
+    io_db["save_wait"] = 0
+    io_db["verbose"] = False
+    io_db["record_chunk"] = ""
     os.makedirs(io_db["path_server"], exist_ok=True)
     io_db["file_out"] = open(io_db["path_out"], "w")
     strong_write(io_db["file_out"], io_db["teststring"] + "\n")
@@ -96,11 +100,11 @@ def cleanup_server_io():
     def helper(file_key, path_key):
         if file_key in io_db:
             io_db[file_key].close()
-            if not io_db["kicked_by_rival"] \
-               and os.access(io_db[path_key], os.F_OK):
-                os.remove(io_db[path_key])
-    helper("file_out", "path_out")
+        if not io_db["kicked_by_rival"] \
+           and os.access(io_db[path_key], os.F_OK):
+            os.remove(io_db[path_key])
     helper("file_in", "path_in")
+    helper("file_out", "path_out")
     helper("file_worldstate", "path_worldstate")
     if "file_record" in io_db:
         io_db["file_record"].close()
@@ -113,12 +117,15 @@ def obey(command, prefix, replay=False, do_record=False):
     a non-meta command from the commands_db merely triggers obey() on the next
     command from the records file. If not, non-meta commands set
     io_db["worldstate_updateable"] to world_db["WORLD_EXISTS"], and, if
-    do_record is set, are recorded via record(), and save_world() is called.
-    The prefix string is inserted into the server's input message between its
-    beginning 'input ' & ':'. All activity is preceded by a server_test() call.
+    do_record is set, are recorded to io_db["record_chunk"], and save_world()
+    is called (and io_db["record_chunk"] written) if 15 seconds have passed
+    since the last time it was called. The prefix string is inserted into the
+    server's input message between its beginning 'input ' and ':'. All activity
+    is preceded by a server_test() call.
     """
     server_test()
-    print("input " + prefix + ": " + command)
+    if io_db["verbose"]:
+        print("input " + prefix + ": " + command)
     try:
         tokens = shlex.split(command, comments=True)
     except ValueError as err:
@@ -140,8 +147,13 @@ def obey(command, prefix, replay=False, do_record=False):
         else:
             commands_db[tokens[0]][2](*tokens[1:])
             if do_record:
-                record(command)
-                save_world()
+                io_db["record_chunk"] += command + "\n"
+                if time.time() > io_db["save_wait"] + 15:
+                    atomic_write(io_db["path_record"], io_db["record_chunk"],
+                                 do_append=True)
+                    save_world()
+                    io_db["record_chunk"] = ""
+                    io_db["save_wait"] = time.time()
             io_db["worldstate_updateable"] = world_db["WORLD_ACTIVE"]
     elif 0 != len(tokens):
         print("Invalid command/argument, or bad number of tokens.")
@@ -163,17 +175,8 @@ def atomic_write(path, text, do_append=False):
     os.rename(path_tmp, path)
 
 
-def record(command):
-    """Append command string plus newline to record file. (Atomic.)"""
-    # This misses some optimizations from the original record(), namely only
-    # finishing the atomic write with expensive flush() and fsync() every 15
-    # seconds unless explicitely forced. Implement as needed.
-    atomic_write(io_db["path_record"], command + "\n", do_append=True)
-
-
 def save_world():
     """Save all commands needed to reconstruct current world state."""
-    # TODO: Misses same optimizations as record() from the original record().
 
     def quote(string):
         string = string.replace("\u005C", '\u005C\u005C')
@@ -254,6 +257,9 @@ def parse_command_line_arguments():
     parser = argparse.ArgumentParser()
     parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
                         action='store')
+    parser.add_argument('-l', nargs="?", const="save", dest='savefile',
+                        action="store")
+    parser.add_argument('-v', dest='verbose', action='store_true')
     opts, unknown = parser.parse_known_args()
     return opts
 
@@ -829,12 +835,13 @@ def get_dir_to_target(t, filter):
         if "a" == filter:
             for id in world_db["Things"]:
                 Thing = world_db["Things"][id]
-                pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] + Thing["T_POSX"]
+                pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
+                      + Thing["T_POSX"]
                 if t != Thing and Thing["T_LIFEPOINTS"] and \
                    t["T_TYPE"] != Thing["T_TYPE"] and \
                    'v' == chr(t["fovmap"][pos]) and \
                    t["T_LIFEPOINTS"] > \
-                       world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
+                   world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
                     set_map_score(pos, 0)
                 elif t["T_TYPE"] == Thing["T_TYPE"]:
                     set_map_score(pos, 65535)
@@ -842,11 +849,12 @@ def get_dir_to_target(t, filter):
             for id in [id for id in world_db["Things"]
                        if world_db["Things"][id]["T_LIFEPOINTS"]]:
                 Thing = world_db["Things"][id]
-                pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] + Thing["T_POSX"]
+                pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
+                      + Thing["T_POSX"]
                 if t["T_TYPE"] != Thing["T_TYPE"] and \
                    'v' == chr(t["fovmap"][pos]) and \
                    t["T_LIFEPOINTS"] <= \
-                       world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
+                   world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
                     set_map_score(pos, 0)
         elif "c" == filter:
             for mt in [mt for mt in t["T_MEMTHING"]
@@ -859,7 +867,7 @@ def get_dir_to_target(t, filter):
             for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
                       if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]:
                 set_map_score(i, 0)
-    
+
     def rand_target_dir(neighbors, cmp, dirs):
         candidates = []
         n_candidates = 0
@@ -911,9 +919,10 @@ def get_dir_to_target(t, filter):
                     dir_to_target = rand_target_dir(neighbors, 0, dirs)
                 elif 3 >= get_map_score(eye_pos):
                     t["T_COMMAND"] = [id for id in world_db["ThingActions"]
-                                      if world_db["ThingActions"][id]["TA_NAME"]
+                                      if
+                                      world_db["ThingActions"][id]["TA_NAME"]
                                          == "wait"][0]
-                    return 1;
+                    return 1
             elif dir_to_target and 3 < get_map_score(eye_pos):
                 dir_to_target = 0
         elif "a" == filter and 10 <= get_map_score(eye_pos):
@@ -999,10 +1008,10 @@ def turn_over():
     id = 0
     whilebreaker = False
     while world_db["Things"][0]["T_LIFEPOINTS"]:
-        for id in [id for id in world_db["Things"]]: # Only what is from start!
+        for id in [id for id in world_db["Things"]]:  # Only what's from start!
             if not id in world_db["Things"] or \
-               world_db["Things"][id]["carried"]:# Thing may have been consumed
-                continue                         # or picked up during turn …
+               world_db["Things"][id]["carried"]:   # May have been consumed or
+                continue                            # picked up during turn …
             Thing = world_db["Things"][id]
             if Thing["T_LIFEPOINTS"]:
                 if not Thing["T_COMMAND"]:
@@ -1092,6 +1101,8 @@ def command_ping():
 
 def command_quit():
     """Abort server process."""
+    save_world()
+    atomic_write(io_db["path_record"], io_db["record_chunk"], do_append=True)
     raise SystemExit("received QUIT command")
 
 
@@ -1591,7 +1602,7 @@ directions_db = {"east": "d", "south-east": "c", "south-west": "x",
 """File IO database."""
 io_db = {
     "path_save": "save",
-    "path_record": "record",
+    "path_record": "record_save",
     "path_worldconf": "confserver/world",
     "path_server": "server/",
     "path_in": "server/in",
@@ -1607,7 +1618,12 @@ try:
     libpr = prep_library()
     rand = RandomnessIO()
     opts = parse_command_line_arguments()
+    if opts.savefile:
+        io_db["path_save"] = opts.savefile
+        io_db["path_record"] = "record_" + opts.savefile
     setup_server_io()
+    if opts.verbose:
+        io_db["verbose"] = True
     if None != opts.replay:
         replay_game()
     else: