Annotation of hatari/tools/hconsole/hconsole.py, revision 1.1.1.4

1.1       root        1: #!/usr/bin/env python
                      2: #
                      3: # Hatari console:
                      4: # Allows using Hatari shortcuts & debugger, changing paths, toggling
                      5: # devices and changing Hatari command line options (even for things you
                      6: # cannot change from the UI) from the console while Hatari is running.
                      7: #
1.1.1.3   root        8: # Copyright (C) 2008-2012 by Eero Tamminen
1.1       root        9: #
                     10: # This program is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # This program is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: 
                     20: import os
                     21: import sys
                     22: import time
                     23: import signal
                     24: import socket
                     25: import readline
                     26: 
                     27: # Python v2:
                     28: # - lacks Python v3 encoding arg for bytes()
                     29: # - input() evaluates given string and fails on empty one
                     30: if str is bytes:
                     31:     def bytes(s, encoding):
                     32:         return s
                     33:     def input(prompt):
                     34:         return raw_input(prompt)
                     35: 
                     36: class Scancode:
1.1.1.4 ! root       37:     "Atari scancodes for keys without alphanumeric characters"
        !            38:     # US keyboard scancode mapping for characters which need shift
        !            39:     Shifted = {
        !            40:         '!': "0x2",
        !            41:         '@': "0x3",
        !            42:         '#': "0x4",
        !            43:         '$': "0x5",
        !            44:         '%': "0x6",
        !            45:         '^': "0x7",
        !            46:         '&': "0x8",
        !            47:         '*': "0x9",
        !            48:         '(': "10",
        !            49:         ')': "11",
        !            50:         '_': "12",
        !            51:         '+': "13",
        !            52:         '~': "41",
        !            53:         '{': "26",
        !            54:         '}': "27",
        !            55:         ':': "39",
        !            56:         '"': "40",
        !            57:         '|': "43",
        !            58:         '<': "51",
        !            59:         '>': "52",
        !            60:         '?': "53"
        !            61:     }
        !            62:     # US keyboard scancode mapping for characters which don't need shift
        !            63:     UnShifted = {
        !            64:         '-': "12",
        !            65:         '=': "13",
        !            66:         '[': "26",
        !            67:         ']': "27",
        !            68:         ';': "39",
        !            69:         "'": "40",
        !            70:         '\\': "43",
        !            71:         '",': "51",
        !            72:         '.': "52",
        !            73:         '/': "53"
        !            74:     }
        !            75:     # special keys without corresponding character
1.1       root       76:     Tab = "15"
                     77:     Return = "28"
                     78:     Enter = "114"
                     79:     Space = "57"
                     80:     Delete = "83"
                     81:     Backspace = "14"
                     82:     Escape = "0x1"
                     83:     Control = "29"
                     84:     Alternate = "56"
                     85:     LeftShift = "42"
                     86:     RightShift = "54"
                     87:     CapsLock = "53"
                     88:     Insert = "82"
                     89:     Home = "71"
                     90:     Help = "98"
                     91:     Undo = "97"
                     92:     CursorUp = "72"
                     93:     CursorDown = "80"
                     94:     CursorLeft = "75"
                     95:     CursorRight = "77"
                     96: 
                     97: 
                     98: # running Hatari instance
                     99: class Hatari:
                    100:     controlpath = "/tmp/hatari-console-" + str(os.getpid()) + ".socket"
                    101:     hataribin = "hatari"
                    102: 
                    103:     def __init__(self, args = None):
                    104:         # collect hatari process zombies without waitpid()
                    105:         signal.signal(signal.SIGCHLD, signal.SIG_IGN)
                    106:         self._assert_hatari_compatibility()
                    107:         self.server = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
                    108:         if os.path.exists(self.controlpath):
                    109:             os.unlink(self.controlpath)
                    110:         self.server.bind(self.controlpath)
                    111:         self.server.listen(1)
                    112:         self.control = None
                    113:         self.paused = False
                    114:         self.interval = 0.2
                    115:         self.pid = 0
                    116:         if not self.run_hatari(args):
                    117:             print("ERROR: failed to run Hatari")
                    118:             sys.exit(1)
1.1.1.4 ! root      119:         self.shiftdown = False
1.1       root      120:         self.verbose = False
                    121: 
                    122:     def _assert_hatari_compatibility(self):
1.1.1.4 ! root      123:         "check Hatari compatibility and return error string if it's not"
        !           124:         error = True
        !           125:         pipe = os.popen(self.hataribin + " -h")
        !           126:         for line in pipe.readlines():
1.1       root      127:             if line.find("--control-socket") >= 0:
1.1.1.4 ! root      128:                 error = False
        !           129:                 break
        !           130:         try:
        !           131:             pipe.close()
        !           132:         except IOError:
        !           133:             pass
        !           134:         if error:
        !           135:             print("ERROR: %s" % error)
        !           136:             sys.exit(-1)
1.1       root      137:         
                    138:     def is_running(self):
                    139:         if not self.pid:
                    140:             return False
                    141:         try:
                    142:             os.waitpid(self.pid, os.WNOHANG)
                    143:         except OSError as value:
                    144:             print("Hatari PID %d had exited in the meanwhile:\n\t%s" % (self.pid, value))
                    145:             self.pid = 0
1.1.1.3   root      146:             if self.control:
                    147:                 self.control.close()
                    148:                 self.control = None
1.1       root      149:             return False
                    150:         return True
                    151:     
                    152:     def run_hatari(self, args):
                    153:         if self.control:
                    154:             print("ERROR: Hatari is already running, stop it first")
                    155:             return
                    156:         pid = os.fork()
                    157:         if pid < 0:
                    158:             print("ERROR: fork()ing Hatari failed!")
                    159:             return
                    160:         if pid:
                    161:             # in parent
                    162:             self.pid = pid
                    163:             print("WAIT hatari to connect to control socket...")
                    164:             (self.control, addr) = self.server.accept()
                    165:             print("connected!")
                    166:             return self.control
                    167:         else:
                    168:             # child runs Hatari
                    169:             allargs = [self.hataribin, "--control-socket", self.controlpath] + args
                    170:             print("RUN:", allargs)
                    171:             os.execvp(self.hataribin, allargs)
                    172: 
                    173:     def send_message(self, msg, fast = False):
                    174:         if self.control:
                    175:             if self.verbose:
                    176:                 print("-> '%s'" % msg)
                    177:             self.control.sendall(bytes(msg + "\n", "ASCII"))
                    178:             # KLUDGE: wait so that Hatari output comes before next prompt
                    179:             if fast:
1.1.1.4 ! root      180:                 interval = self.interval/4
1.1       root      181:             else:
                    182:                 interval = self.interval
                    183:             time.sleep(interval)
                    184:             return True
                    185:         else:
                    186:             print("ERROR: no Hatari (control socket)")
                    187:             return False
                    188:         
                    189:     def change_option(self, option):
                    190:         return self.send_message("hatari-option %s" % option)
                    191: 
                    192:     def trigger_shortcut(self, shortcut):
                    193:         return self.send_message("hatari-shortcut %s" % shortcut)
1.1.1.4 ! root      194:     
        !           195:     def _shift_up(self):
        !           196:         if self.shiftdown:
        !           197:             self.shiftdown = False
        !           198:             return self.send_message("hatari-event keyup %s" % Scancode.LeftShift, True)
        !           199:         return True
        !           200:     
        !           201:     def _unshifted_keypress(self, key):
        !           202:         self._shift_up()
        !           203:         if key == ' ':
        !           204:             # white space gets stripped, use scancode instead
        !           205:             key = Scancode.Space
        !           206:         return self.send_message("hatari-event keypress %s" % key, True)
        !           207: 
        !           208:     def _shifted_keypress(self, key):
        !           209:         if not self.shiftdown:
        !           210:             self.shiftdown = True
        !           211:             self.send_message("hatari-event keydown %s" % Scancode.LeftShift, True)
        !           212:         return self.send_message("hatari-event keypress %s" % key, True)
1.1       root      213: 
                    214:     def send_string(self, text):
                    215:         print("string:", text)
1.1.1.4 ! root      216:         for key in text:
        !           217:             if key in Scancode.Shifted:
        !           218:                 ok = self._shifted_keypress(Scancode.Shifted[key])
        !           219:             elif key in Scancode.UnShifted:
        !           220:                 ok = self._unshifted_keypress(Scancode.UnShifted[key])
        !           221:             else:
        !           222:                 ok = self._unshifted_keypress(key)
        !           223:             if not ok:
1.1       root      224:                 return False
1.1.1.4 ! root      225:         return self._shift_up()
1.1       root      226: 
                    227:     def insert_event(self, event):
                    228:         if event.startswith("text "):
                    229:             cmd, value = event.split(None, 1)
                    230:             if value:
                    231:                 return self.send_string(value)
                    232:         return self.send_message("hatari-event %s" % event, True)
                    233: 
                    234:     def debug_command(self, cmd):
                    235:         return self.send_message("hatari-debug %s" % cmd)
                    236:     
                    237:     def change_path(self, path):
                    238:         return self.send_message("hatari-path %s" % path)
                    239:     
                    240:     def toggle_device(self, device):
                    241:         return self.send_message("hatari-toggle %s" % device)
                    242: 
                    243:     def toggle_pause(self):
                    244:         self.paused = not self.paused
                    245:         if self.paused:
                    246:             return self.send_message("hatari-stop")
                    247:         else:
                    248:             return self.send_message("hatari-cont")
                    249: 
                    250:     def toggle_verbose(self):
                    251:         self.verbose = not self.verbose
                    252:         print("debug output", self.verbose)
                    253: 
                    254:     def kill_hatari(self):
1.1.1.3   root      255:         if self.is_running():
1.1       root      256:             os.kill(self.pid, signal.SIGKILL)
                    257:             print("killed hatari with PID %d" % self.pid)
                    258:             self.pid = 0
1.1.1.3   root      259:         if self.control:
                    260:             self.control.close()
                    261:             self.control = None
1.1       root      262: 
                    263: 
                    264: # command line parsing with readline
                    265: class CommandInput:
                    266:     prompt = "hatari-command: "
                    267:     historysize = 99
                    268:     
                    269:     def __init__(self, commands):
                    270:         readline.set_history_length(self.historysize)
                    271:         readline.parse_and_bind("tab: complete")
                    272:         readline.set_completer_delims(" \t\r\n")
                    273:         readline.set_completer(self.complete)
                    274:         self.commands = commands
                    275:     
                    276:     def complete(self, text, state):
                    277:         idx = 0
                    278:         #print "text: '%s', state '%d'" % (text, state)
                    279:         for cmd in self.commands:
                    280:             if cmd.startswith(text):
                    281:                 idx += 1
                    282:                 if idx > state:
                    283:                     return cmd
                    284:     
                    285:     def loop(self):
                    286:         try:
                    287:             rawline = input(self.prompt)
                    288:             return rawline
                    289:         except EOFError:
                    290:             return ""
                    291: 
                    292: 
                    293: class Tokens:
1.1.1.3   root      294:     # update with: hatari -h|grep -- --|sed 's/^ *\(--[^ ]*\).*$/    "\1",/'|grep -v -e control-socket -e 'joy<'
1.1       root      295:     option_tokens = [
                    296:     "--help",
                    297:     "--version",
                    298:     "--confirm-quit",
                    299:     "--configfile",
1.1.1.3   root      300:     "--keymap",
1.1       root      301:     "--fast-forward",
                    302:     "--mono",
                    303:     "--monitor",
                    304:     "--fullscreen",
                    305:     "--window",
                    306:     "--grab",
                    307:     "--frameskips",
                    308:     "--statusbar",
                    309:     "--drive-led",
                    310:     "--bpp",
1.1.1.3   root      311:     "--borders",
                    312:     "--desktop-st",
                    313:     "--spec512",
                    314:     "--zoom",
                    315:     "--desktop",
                    316:     "--max-width",
                    317:     "--max-height",
                    318:     "--force-max",
                    319:     "--aspect",
1.1       root      320:     "--vdi",
                    321:     "--vdi-planes",
                    322:     "--vdi-width",
                    323:     "--vdi-height",
1.1.1.3   root      324:     "--crop",
1.1       root      325:     "--avirecord",
                    326:     "--avi-vcodec",
                    327:     "--avi-fps",
                    328:     "--avi-file",
                    329:     "--joy0",
                    330:     "--joy1",
                    331:     "--joy2",
                    332:     "--joy3",
                    333:     "--joy4",
                    334:     "--joy5",
                    335:     "--joystick",
                    336:     "--printer",
                    337:     "--midi-in",
                    338:     "--midi-out",
                    339:     "--rs232-in",
                    340:     "--rs232-out",
                    341:     "--disk-a",
                    342:     "--disk-b",
1.1.1.2   root      343:     "--fastfdc",
1.1       root      344:     "--protect-floppy",
                    345:     "--protect-hd",
                    346:     "--harddrive",
                    347:     "--acsi",
                    348:     "--ide-master",
                    349:     "--ide-slave",
                    350:     "--memsize",
1.1.1.3   root      351:     "--memstate",
1.1       root      352:     "--tos",
1.1.1.3   root      353:     "--patch-tos",
1.1       root      354:     "--cartridge",
                    355:     "--cpulevel",
                    356:     "--cpuclock",
                    357:     "--compatible",
                    358:     "--machine",
                    359:     "--blitter",
                    360:     "--dsp",
1.1.1.3   root      361:     "--timer-d",
                    362:     "--fast-boot",
                    363:     "--rtc",
                    364:     "--mic",
1.1       root      365:     "--sound",
1.1.1.3   root      366:     "--sound-buffer-size",
                    367:     "--ym-mixing",
1.1       root      368:     "--debug",
                    369:     "--bios-intercept",
                    370:     "--trace",
                    371:     "--trace-file",
                    372:     "--parse",
                    373:     "--saveconfig",
1.1.1.3   root      374:     "--no-parachute",
1.1       root      375:     "--log-file",
                    376:     "--log-level",
                    377:     "--alert-level",
                    378:     "--run-vbls"
                    379:     ]
                    380:     shortcut_tokens = [
                    381:     "mousegrab",
                    382:     "coldreset",
                    383:     "warmreset",
                    384:     "screenshot",
                    385:     "bosskey",
                    386:     "recanim",
                    387:     "recsound",
                    388:     "savemem"
                    389:     ]
                    390:     event_tokens = [
                    391:     "doubleclick",
                    392:     "rightdown",
                    393:     "rightup",
                    394:     "keypress",
                    395:     "keydown",
                    396:     "keyup",
                    397:     "text"     # simulated with keypresses
                    398:     ]
                    399:     device_tokens = [
                    400:     "printer",
                    401:     "rs232",
                    402:     "midi",
                    403:     ]
                    404:     path_tokens = [
                    405:     "memauto",
                    406:     "memsave",
                    407:     "midiout",
                    408:     "printout",
                    409:     "soundout",
                    410:     "rs232in",
                    411:     "rs232out"
                    412:     ]
                    413:     # use the long variants of the commands for clarity
                    414:     debugger_tokens = [
                    415:     "address",
                    416:     "breakpoint",
                    417:     "cd",
                    418:     "cont",
                    419:     "cpureg",
                    420:     "disasm",
                    421:     "dspaddress",
                    422:     "dspbreak",
                    423:     "dspcont",
                    424:     "dspdisasm",
                    425:     "dspmemdump",
                    426:     "dspreg",
                    427:     "dspsymbols",
                    428:     "evaluate",
                    429:     "help",
1.1.1.3   root      430:     "history",
1.1       root      431:     "info",
                    432:     "loadbin",
                    433:     "lock",
                    434:     "logfile",
                    435:     "memdump",
                    436:     "memwrite",
                    437:     "parse",
1.1.1.3   root      438:     "profile",
                    439:     "quit",
1.1       root      440:     "savebin",
                    441:     "setopt",
                    442:     "stateload",
                    443:     "statesave",
                    444:     "symbols",
                    445:     "trace"
                    446:     ]
                    447: 
                    448:     def __init__(self, hatari):
                    449:         self.process_tokens = {
                    450:             "kill": hatari.kill_hatari,
                    451:             "pause": hatari.toggle_pause
                    452:         }
                    453:         self.script_tokens = {
                    454:             "script": self.do_script,
                    455:             "sleep": self.do_sleep
                    456:         }
                    457:         self.help_tokens = {
                    458:             "usage": self.show_help,
                    459:             "verbose": hatari.toggle_verbose
                    460:         }
                    461:         self.hatari = hatari
                    462: 
                    463:     def get_tokens(self):
                    464:         tokens = []
                    465:         for items in [self.option_tokens, self.shortcut_tokens,
                    466:             self.event_tokens, self.debugger_tokens, self.device_tokens,
                    467:             self.path_tokens, list(self.process_tokens.keys()),
                    468:             list(self.script_tokens.keys()), list(self.help_tokens.keys())]:
                    469:             for token in items:
                    470:                 if token in tokens:
                    471:                     print("ERROR: token '%s' already in tokens" % token)
                    472:                     sys.exit(1)
                    473:             tokens += items
                    474:         return tokens
                    475: 
                    476:     def show_help(self):
                    477:         print("""
                    478: Hatari-console help
                    479: -------------------
                    480: 
                    481: Hatari-console allows you to control Hatari through its control socket
                    482: from the provided console prompt, while Hatari is running.  All control
                    483: commands support TAB completion on their names and options.
                    484: 
                    485: The supported control facilities are:""")
                    486:         self.list_items("Command line options", self.option_tokens)
                    487:         self.list_items("Keyboard shortcuts", self.shortcut_tokens)
                    488:         self.list_items("Event invocation", self.event_tokens)
                    489:         self.list_items("Device toggling", self.device_tokens)
                    490:         self.list_items("Path setting", self.path_tokens)
                    491:         self.list_items("Debugger commands", self.debugger_tokens)
                    492:         print("""
                    493: "pause" toggles Hatari paused state on/off.
                    494: "kill" will terminate Hatari.
                    495: 
                    496: "script" command reads commands from the given file.
                    497: "sleep" command can be used in script to wait given number of seconds.
                    498: "verbose" command toggles commands debug output on/off.
                    499: 
                    500: For command line options you can get further help with "--help"
                    501: and for debugger commands with "help".  Some of the other facilities
                    502: give help when you give them invalid input.
                    503: """)
                    504: 
                    505:     def list_items(self, title, items):
                    506:         print("\n%s:" % title)
                    507:         for item in items:
                    508:             print("*", item)
                    509: 
                    510:     def do_sleep(self, line):
                    511:         items = line.split()[1:]
                    512:         try:
                    513:             secs = int(items[0])
                    514:         except:
                    515:             secs = 0
                    516:         if secs > 0:
                    517:             print("Sleeping for %d secs..." % secs)
                    518:             time.sleep(secs)
                    519:         else:
                    520:             print("usage: sleep <seconds>")
                    521: 
                    522:     def do_script(self, line):
                    523:         try:
                    524:             filename = line.split()[1]
                    525:             f = open(filename)
                    526:         except:
                    527:             print("usage: script <filename>")
                    528:             return
                    529: 
                    530:         for line in f.readlines():
                    531:             line = line.strip()
                    532:             if not line or line[0] == '#':
                    533:                 continue
                    534:             print(">", line)
                    535:             self.process_command(line)
                    536: 
                    537:     def process_command(self, line):
                    538:         if not self.hatari.is_running():
                    539:             print("Exiting as there's no Hatari (anymore)...")
                    540:             sys.exit(0)
                    541:         if not line:
                    542:             return
                    543: 
                    544:         first = line.split()[0]
                    545:         # multiple items
                    546:         if first in self.event_tokens:
                    547:             self.hatari.insert_event(line)
                    548:         elif first in self.debugger_tokens:
                    549:             self.hatari.debug_command(line)
                    550:         elif first in self.option_tokens:
                    551:             self.hatari.change_option(line)
                    552:         elif first in self.path_tokens:
                    553:             self.hatari.change_path(line)
                    554:         elif first in self.script_tokens:
                    555:             self.script_tokens[first](line)
                    556:         # single item
                    557:         elif line in self.device_tokens:
                    558:             self.hatari.toggle_device(line)
                    559:         elif line in self.shortcut_tokens:
                    560:             self.hatari.trigger_shortcut(line)
                    561:         elif line in self.process_tokens:
                    562:             self.process_tokens[line]()
                    563:         elif line in self.help_tokens:
                    564:             self.help_tokens[line]()
                    565:         else:
                    566:             print("ERROR: unknown hatari-console command:", line)
                    567: 
                    568: 
                    569: class Main:
                    570:     def __init__(self):
                    571:         args, self.file, self.exit = self.parse_args(sys.argv)
                    572:         hatari = Hatari(args)
                    573:         self.tokens = Tokens(hatari)
                    574:         self.command = CommandInput(self.tokens.get_tokens())
                    575: 
                    576:     def parse_args(self, args):
                    577:         if "-h" in args or "--help" in args:
                    578:             self.usage()
                    579: 
                    580:         file = []
                    581:         exit = False
                    582:         if "--" not in args:
                    583:             return (args[1:], file, exit)
                    584:         
                    585:         for arg in args:
                    586:             if arg == "--":
                    587:                 return (args[args.index("--")+1:], file, exit)
                    588:             if arg == "--exit":
                    589:                 exit = True
                    590:                 continue
                    591:             if os.path.exists(arg):
                    592:                 file = arg
                    593:             else:
                    594:                 self.usage("file '%s' not found" % arg)
                    595: 
                    596:     def usage(self, msg=None):
                    597:         name = os.path.basename(sys.argv[0])
                    598:         print("\n%s" % name)
                    599:         print("=" * len(name))
                    600:         print("""
                    601: Usage: %s [<console options/args> --] [<hatari options>]
                    602: 
                    603: Hatari console options/args:
                    604: \t<file>\t\tread commands from given file
                    605: \t--exit\t\texit after executing the commands in the file
                    606: \t-h, --help\t\tthis help
                    607: 
                    608: Except for help, console options/args will be interpreted
                    609: only if '--' is given as one of the arguments.  Otherwise
                    610: all arguments are given to Hatari.
                    611: 
                    612: For example:
                    613:     %s --monitor mono test.prg
                    614:     %s commands.txt -- --monitor mono
                    615:     %s commands.txt --exit --
                    616: """ % (name, name, name, name))
                    617:         if msg:
                    618:             print("ERROR: %s!\n" % msg)
                    619:         sys.exit(1)
                    620: 
                    621:     def loop(self):
                    622:         print("""
                    623: *********************************************************
                    624: * To see available commands, use the TAB key or 'usage' *
                    625: *********************************************************
                    626: """)
                    627:         if self.file:
                    628:             self.script(self.file)
                    629:             if self.exit:
                    630:                 sys.exit(0)
                    631: 
                    632:         while 1:
                    633:             line = self.command.loop().strip()
                    634:             self.tokens.process_command(line)
                    635: 
                    636:     def script(self, filename):
                    637:         self.tokens.do_script("script " + filename)
                    638: 
                    639:     def run(self, line):
                    640:         "helper method for scripts using hatari-console"
                    641:         self.tokens.process_command(line)
                    642: 
                    643: 
                    644: if __name__ == "__main__":
                    645:     Main().loop()

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