Python ServerBase.init方法代碼示例

# 需要導入模塊: from xpra.server.server_base import ServerBase [as 別名]
# 或者: from xpra.server.server_base.ServerBase import init [as 別名]
def run_server(error_cb, opts, mode, xpra_file, extra_args):
    try:
        cwd = os.getcwd()
    except:
        cwd = os.path.expanduser("~")
        sys.stderr.write("current working directory does not exist, using '%s'\n" % cwd)
    if opts.encoding and opts.encoding == "help":
        # avoid errors and warnings:
        opts.encoding = ""
        opts.clipboard = False
        opts.notifications = False
        print("xpra server supports the following encodings:")
        print("(please wait, encoder initialization may take a few seconds)")
        # disable info logging which would be confusing here
        from xpra.log import get_all_loggers, set_default_level
        import logging

        set_default_level(logging.WARN)
        logging.root.setLevel(logging.WARN)
        for x in get_all_loggers():
            x.logger.setLevel(logging.WARN)
        from xpra.server.server_base import ServerBase

        sb = ServerBase()
        sb.init(opts)
        # ensures that the threaded video helper init has completed
        # (by running it again, which will block on the init lock)
        from xpra.codecs.video_helper import getVideoHelper

        getVideoHelper().init()
        sb.init_encodings()
        from xpra.codecs.loader import encoding_help

        for e in sb.encodings:
            print(" * %s" % encoding_help(e))
        return 0

    assert mode in ("start", "upgrade", "shadow", "proxy")
    starting = mode == "start"
    upgrading = mode == "upgrade"
    shadowing = mode == "shadow"
    proxying = mode == "proxy"
    clobber = upgrading or opts.use_display

    # get the display name:
    if shadowing and len(extra_args) == 0:
        if sys.platform.startswith("win") or sys.platform.startswith("darwin"):
            # just a virtual name for the only display available:
            display_name = ":0"
        else:
            from xpra.scripts.main import guess_X11_display

            display_name = guess_X11_display(opts.socket_dir)
    elif upgrading and len(extra_args) == 0:
        from xpra.scripts.main import guess_xpra_display

        display_name = guess_xpra_display(opts.socket_dir)
    else:
        if len(extra_args) > 1:
            error_cb("too many extra arguments: only expected a display number")
        if len(extra_args) == 1:
            display_name = extra_args[0]
            if not shadowing and not proxying:
                display_name_check(display_name)
        else:
            if proxying:
                error_cb("you must specify a free virtual display name to use with the proxy server")
            if not opts.displayfd:
                error_cb("displayfd support is not enabled on this system, you must specify the display to use")
            if opts.use_display:
                # only use automatic guess for xpra displays and not X11 displays:
                from xpra.scripts.main import guess_xpra_display  # @Reimport

                display_name = guess_xpra_display(opts.socket_dir)
            else:
                # We will try to find one automaticaly
                # Use the temporary magic value 'S' as marker:
                display_name = "S" + str(os.getpid())

    if not shadowing and not proxying and not upgrading and opts.exit_with_children and not opts.start_child:
        error_cb("--exit-with-children specified without any children to spawn; exiting immediately")

    atexit.register(run_cleanups)
    # the server class will usually override those:
    signal.signal(signal.SIGINT, deadly_signal)
    signal.signal(signal.SIGTERM, deadly_signal)

    dotxpra = DotXpra(opts.socket_dir)

    # Generate the script text now, because os.getcwd() will
    # change if/when we daemonize:
    script = xpra_runner_shell_script(xpra_file, os.getcwd(), opts.socket_dir)

    stdout = sys.stdout
    stderr = sys.stderr
    # Daemonize:
    if opts.daemon:
        # daemonize will chdir to "/", so try to use an absolute path:
        if opts.password_file:
            opts.password_file = os.path.abspath(opts.password_file)
#.........這裏部分代碼省略.........

# 需要導入模塊: from xpra.server.server_base import ServerBase [as 別名]
# 或者: from xpra.server.server_base.ServerBase import init [as 別名]
def run_server(parser, opts, mode, xpra_file, extra_args):
    if opts.encoding and opts.encoding=="help":
        #avoid errors and warnings:
        opts.encoding = ""
        opts.clipboard = False
        opts.notifications = False
        print("xpra server supports the following encodings:")
        print("(please wait, encoder initialization may take a few seconds)")
        #disable info logging which would be confusing here
        from xpra.log import get_all_loggers, set_default_level
        import logging
        set_default_level(logging.WARN)
        logging.root.setLevel(logging.WARN)
        for x in get_all_loggers():
            x.logger.setLevel(logging.WARN)
        from xpra.server.server_base import ServerBase
        sb = ServerBase()
        sb.init(opts)
        #ensures that the threaded video helper init has completed
        #(by running it again, which will block on the init lock)
        from xpra.codecs.video_helper import getVideoHelper
        getVideoHelper().init()
        sb.init_encodings()
        from xpra.codecs.loader import encoding_help
        for e in sb.encodings:
            print(" * %s" % encoding_help(e))
        return 0

    assert mode in ("start", "upgrade", "shadow", "proxy")
    starting  = mode == "start"
    upgrading = mode == "upgrade"
    shadowing = mode == "shadow"
    proxying  = mode == "proxy"
    clobber   = upgrading or opts.use_display

    #get the display name:
    if shadowing and len(extra_args)==0:
        from xpra.scripts.main import guess_X11_display
        display_name = guess_X11_display()
    else:
        if len(extra_args) != 1:
            parser.error("need exactly 1 extra argument")
        display_name = extra_args.pop(0)

    if not shadowing and not proxying:
        display_name_check(display_name)

    if not shadowing and not proxying and not upgrading and opts.exit_with_children and not opts.start_child:
        sys.stderr.write("--exit-with-children specified without any children to spawn; exiting immediately")
        return  1

    atexit.register(run_cleanups)
    #the server class will usually override those:
    signal.signal(signal.SIGINT, deadly_signal)
    signal.signal(signal.SIGTERM, deadly_signal)

    dotxpra = DotXpra(opts.socket_dir)

    # Generate the script text now, because os.getcwd() will
    # change if/when we daemonize:
    script = xpra_runner_shell_script(xpra_file, os.getcwd(), opts.socket_dir)

    # Daemonize:
    if opts.daemon:
        #daemonize will chdir to "/", so try to use an absolute path:
        if opts.password_file:
            opts.password_file = os.path.abspath(opts.password_file)

        logfd = open_log_file(dotxpra, opts.log_file, display_name)
        assert logfd > 2
        daemonize(logfd)

    # Write out a shell-script so that we can start our proxy in a clean
    # environment:
    write_runner_shell_script(dotxpra, script)

    from xpra.log import Logger
    log = Logger("server")

    try:
        # Initialize the sockets before the display,
        # That way, errors won't make us kill the Xvfb
        # (which may not be ours to kill at that point)
        bind_tcp = parse_bind_tcp(opts.bind_tcp)

        sockets = []
        mdns_info = {"display" : display_name,
                     "username": getpass.getuser()}
        if opts.session_name:
            mdns_info["session"] = opts.session_name
        #tcp:
        for host, iport in bind_tcp:
            socket = setup_tcp_socket(host, iport)
            sockets.append(socket)
        #unix:
        socket, cleanup_socket = setup_local_socket(dotxpra, display_name, clobber, opts.mmap_group)
        if socket:      #win32 returns None!
            sockets.append(socket)
            if opts.mdns:
                ssh_port = get_ssh_port()
#.........這裏部分代碼省略.........

# 需要導入模塊: from xpra.server.server_base import ServerBase [as 別名]
# 或者: from xpra.server.server_base.ServerBase import init [as 別名]
def run_server(error_cb, opts, mode, xpra_file, extra_args):
    try:
        cwd = os.getcwd()
    except:
        cwd = os.path.expanduser("~")
        sys.stderr.write("current working directory does not exist, using '%s'\n" % cwd)
    if opts.encoding and opts.encoding=="help":
        #avoid errors and warnings:
        opts.encoding = ""
        opts.clipboard = False
        opts.notifications = False
        print("xpra server supports the following encodings:")
        print("(please wait, encoder initialization may take a few seconds)")
        #disable info logging which would be confusing here
        from xpra.log import get_all_loggers, set_default_level
        import logging
        set_default_level(logging.WARN)
        logging.root.setLevel(logging.WARN)
        for x in get_all_loggers():
            x.logger.setLevel(logging.WARN)
        from xpra.server.server_base import ServerBase
        sb = ServerBase()
        sb.init(opts)
        #ensures that the threaded video helper init has completed
        #(by running it again, which will block on the init lock)
        from xpra.codecs.video_helper import getVideoHelper
        getVideoHelper().init()
        sb.init_encodings()
        from xpra.codecs.loader import encoding_help
        for e in sb.encodings:
            print(" * %s" % encoding_help(e))
        return 0

    assert mode in ("start", "upgrade", "shadow", "proxy")
    starting  = mode == "start"
    upgrading = mode == "upgrade"
    shadowing = mode == "shadow"
    proxying  = mode == "proxy"
    clobber   = upgrading or opts.use_display

    if upgrading or shadowing:
        #there should already be one running
        opts.pulseaudio = False

    #get the display name:
    if shadowing and len(extra_args)==0:
        if sys.platform.startswith("win") or sys.platform.startswith("darwin"):
            #just a virtual name for the only display available:
            display_name = ":0"
        else:
            from xpra.scripts.main import guess_X11_display
            display_name = guess_X11_display(opts.socket_dir)
    elif upgrading and len(extra_args)==0:
        from xpra.scripts.main import guess_xpra_display
        display_name = guess_xpra_display(opts.socket_dir)
    else:
        if len(extra_args) > 1:
            error_cb("too many extra arguments: only expected a display number")
        if len(extra_args) == 1:
            display_name = extra_args[0]
            if not shadowing and not proxying:
                display_name_check(display_name)
        else:
            if proxying:
                error_cb("you must specify a free virtual display name to use with the proxy server")
            if not opts.displayfd:
                error_cb("displayfd support is not enabled on this system, you must specify the display to use")
            if opts.use_display:
                #only use automatic guess for xpra displays and not X11 displays:
                from xpra.scripts.main import guess_xpra_display     #@Reimport
                display_name = guess_xpra_display(opts.socket_dir)
            else:
                # We will try to find one automaticaly
                # Use the temporary magic value 'S' as marker:
                display_name = 'S' + str(os.getpid())

    if not shadowing and not proxying and not upgrading and opts.exit_with_children and not opts.start_child:
        error_cb("--exit-with-children specified without any children to spawn; exiting immediately")

    atexit.register(run_cleanups)
    #the server class will usually override those:
    signal.signal(signal.SIGINT, deadly_signal)
    signal.signal(signal.SIGTERM, deadly_signal)

    dotxpra = DotXpra(opts.socket_dir)

    # Generate the script text now, because os.getcwd() will
    # change if/when we daemonize:
    script = xpra_runner_shell_script(xpra_file, os.getcwd(), opts.socket_dir)

    stdout = sys.stdout
    stderr = sys.stderr
    # Daemonize:
    if opts.daemon:
        #daemonize will chdir to "/", so try to use an absolute path:
        if opts.password_file:
            opts.password_file = os.path.abspath(opts.password_file)
        # At this point we may not know the display name,
        # so log_filename0 may point to a temporary file which we will rename later
        log_filename0 = select_log_file(dotxpra, opts.log_file, display_name)
#.........這裏部分代碼省略.........