def create_control_socket(self):
dotxpra = DotXpra(self.socket_dir)
name = "proxy-%s" % os.getpid()
sockpath = dotxpra.norm_make_path(name, dotxpra.sockdir())
state = dotxpra.get_server_state(sockpath)
if state in (DotXpra.LIVE, DotXpra.UNKNOWN):
log.warn("You already have a proxy server running at %s, the control socket will not be created!", sockpath)
return False
try:
sock = create_unix_domain_socket(sockpath, None)
sock.listen(5)
except Exception, e:
log.warn("failed to setup control socket %s: %s", sockpath, e)
return False
def create_control_socket(self):
dotxpra = DotXpra(self.socket_dir)
name = "proxy-%s" % os.getpid()
sockpath = dotxpra.norm_make_path(name, dotxpra.sockdir())
state = dotxpra.get_server_state(sockpath)
if state in (DotXpra.LIVE, DotXpra.UNKNOWN):
log.warn(
"You already have a proxy server running at %s, the control socket will not be created!",
sockpath)
return False
try:
sock = create_unix_domain_socket(sockpath, None)
sock.listen(5)
except Exception, e:
log.warn("failed to setup control socket %s: %s", sockpath, e)
return False
def create_control_socket(self):
dotxpra = DotXpra(self.socket_dir)
name = "proxy-%s" % os.getpid()
sockpath = dotxpra.norm_make_path(name, dotxpra.sockdir())
state = dotxpra.get_server_state(sockpath)
if state in (DotXpra.LIVE, DotXpra.UNKNOWN):
log.warn("You already have a proxy server running at %s, the control socket will not be created!", sockpath)
return False
try:
sock = create_unix_domain_socket(sockpath, None, 0o600)
sock.listen(5)
except:
log.warn("failed to setup control socket %s", sockpath, exc_info=True)
return False
self.control_socket = sock
self.control_socket_path = sockpath
log.info("proxy instance now also available using unix domain socket: %s", self.control_socket_path)
return True
def create_control_socket(self):
dotxpra = DotXpra(self.socket_dir)
name = "proxy-%s" % os.getpid()
sockpath = dotxpra.norm_make_path(name, dotxpra.sockdir())
state = dotxpra.get_server_state(sockpath)
if state in (DotXpra.LIVE, DotXpra.UNKNOWN):
log.warn(
"You already have a proxy server running at %s, the control socket will not be created!",
sockpath)
return False
try:
sock = create_unix_domain_socket(sockpath, None, 0o600)
sock.listen(5)
except:
log.warn("failed to setup control socket %s",
sockpath,
exc_info=True)
return False
self.control_socket = sock
self.control_socket_path = sockpath
log.info(
"proxy instance now also available using unix domain socket: %s",
self.control_socket_path)
return True
def run_server(parser, opts, mode, xpra_file, extra_args):
if len(extra_args) != 1:
parser.error("need exactly 1 extra argument")
assert mode in ("start", "upgrade", "shadow")
upgrading = mode == "upgrade"
shadowing = mode == "shadow"
display_name = extra_args.pop(0)
if display_name.startswith(":") and not shadowing:
n = display_name[1:]
p = n.find(".")
if p>0:
n = n[:p]
try:
dno = int(n)
if dno>=0 and dno<10:
sys.stderr.write("WARNING: low display number: %s\n" % dno)
sys.stderr.write("You are attempting to run the xpra server against what seems to be a default X11 display '%s'.\n" % display_name)
sys.stderr.write("This is generally not what you want.\n")
sys.stderr.write("You should probably use a higher display number just to avoid any confusion (and also this warning message).\n")
except:
pass
if not shadowing 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)
signal.signal(signal.SIGINT, deadly_signal)
signal.signal(signal.SIGTERM, deadly_signal)
dotxpra = DotXpra(opts.socket_dir)
# This used to be given a display-specific name, but now we give it a
# single fixed name and if multiple servers are started then the last one
# will clobber the rest. This isn't great, but the tradeoff is that it
# makes it possible to use bare 'ssh:hostname' display names and
# autodiscover the proper numeric display name when only one xpra server
# is running on the remote host. Might need to revisit this later if
# people run into problems or autodiscovery turns out to be less useful
# than expected.
scriptpath = os.path.join(dotxpra.confdir(), "run-xpra")
# Save the starting dir now, because we'll lose track of it when we
# daemonize:
starting_dir = os.getcwd()
# Daemonize:
if opts.daemon:
if opts.log_file:
if os.path.isabs(opts.log_file):
logpath = opts.log_file
else:
logpath = os.path.join(dotxpra.sockdir(), opts.log_file)
logpath = logpath.replace("$DISPLAY", display_name)
else:
logpath = dotxpra.log_path(display_name) + ".log"
sys.stderr.write("Entering daemon mode; "
+ "any further errors will be reported to:\n"
+ (" %s\n" % logpath))
# Do some work up front, so any errors don't get lost.
if os.path.exists(logpath):
os.rename(logpath, logpath + ".old")
logfd = os.open(logpath, os.O_WRONLY | os.O_CREAT | os.O_TRUNC, o0666)
assert logfd > 2
os.chdir("/")
if os.fork():
os._exit(0)
os.setsid()
if os.fork():
os._exit(0)
close_all_fds(exceptions=[logfd])
fd0 = os.open("/dev/null", os.O_RDONLY)
if fd0 != 0:
os.dup2(fd0, 0)
os.close(fd0)
os.dup2(logfd, 1)
os.dup2(logfd, 2)
os.close(logfd)
# Make these line-buffered:
sys.stdout = os.fdopen(1, "w", 1)
sys.stderr = os.fdopen(2, "w", 1)
# Write out a shell-script so that we can start our proxy in a clean
# environment:
scriptfile = open(scriptpath, "w")
# Unix is a little silly sometimes:
umask = os.umask(0)
os.umask(umask)
if hasattr(os, "fchmod"):
os.fchmod(scriptfile.fileno(), o0700 & ~umask)
else:
os.chmod(scriptpath, o0700 & ~umask)
scriptfile.write(xpra_runner_shell_script(xpra_file, starting_dir, opts.socket_dir))
scriptfile.close()
from wimpiggy.log import Logger
log = Logger()
# 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)
sockets = []
if opts.bind_tcp and len(opts.bind_tcp):
def setup_tcp_socket(bind_to):
try:
tcp_socket = create_tcp_socket(parser, bind_to)
sockets.append(tcp_socket)
def cleanup_tcp_socket():
log.info("closing tcp socket %s", bind_to)
try:
tcp_socket.close()
except:
pass
_cleanups.append(cleanup_tcp_socket)
except Exception, e:
log.error("cannot start - failed to create tcp socket at %s : %s" % (bind_to, e))
return 1
for tcp_s in set(opts.bind_tcp):
setup_tcp_socket(tcp_s)
def run_server(parser, opts, mode, xpra_file, extra_args):
if len(extra_args) != 1:
parser.error("need exactly 1 extra argument")
if opts.encoding and opts.encoding=="help":
from xpra.scripts.config import encodings_help
from xpra.server.server_base import SERVER_ENCODINGS
print("server supports the following encodings:\n * %s" % ("\n * ".join(encodings_help(SERVER_ENCODINGS))))
return 0
assert mode in ("start", "upgrade", "shadow")
upgrading = mode == "upgrade"
shadowing = mode == "shadow"
display_name = extra_args.pop(0)
if display_name.startswith(":") and not shadowing:
n = display_name[1:]
p = n.find(".")
if p>0:
n = n[:p]
try:
dno = int(n)
if dno>=0 and dno<10:
sys.stderr.write("WARNING: low display number: %s\n" % dno)
sys.stderr.write("You are attempting to run the xpra server against what seems to be a default X11 display '%s'.\n" % display_name)
sys.stderr.write("This is generally not what you want.\n")
sys.stderr.write("You should probably use a higher display number just to avoid any confusion (and also this warning message).\n")
except:
pass
if not shadowing 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)
signal.signal(signal.SIGINT, deadly_signal)
signal.signal(signal.SIGTERM, deadly_signal)
dotxpra = DotXpra(opts.socket_dir)
# This used to be given a display-specific name, but now we give it a
# single fixed name and if multiple servers are started then the last one
# will clobber the rest. This isn't great, but the tradeoff is that it
# makes it possible to use bare 'ssh:hostname' display names and
# autodiscover the proper numeric display name when only one xpra server
# is running on the remote host. Might need to revisit this later if
# people run into problems or autodiscovery turns out to be less useful
# than expected.
scriptpath = os.path.join(dotxpra.confdir(), "run-xpra")
# Save the starting dir now, because we'll lose track of it when we
# daemonize:
starting_dir = os.getcwd()
# Daemonize:
if opts.daemon:
if opts.log_file:
if os.path.isabs(opts.log_file):
logpath = opts.log_file
else:
logpath = os.path.join(dotxpra.sockdir(), opts.log_file)
logpath = logpath.replace("$DISPLAY", display_name)
else:
logpath = dotxpra.log_path(display_name) + ".log"
sys.stderr.write("Entering daemon mode; "
+ "any further errors will be reported to:\n"
+ (" %s\n" % logpath))
# Do some work up front, so any errors don't get lost.
if os.path.exists(logpath):
os.rename(logpath, logpath + ".old")
logfd = os.open(logpath, os.O_WRONLY | os.O_CREAT | os.O_TRUNC, o0666)
assert logfd > 2
os.chdir("/")
if os.fork():
os._exit(0)
os.setsid()
if os.fork():
os._exit(0)
close_all_fds(exceptions=[logfd])
fd0 = os.open("/dev/null", os.O_RDONLY)
if fd0 != 0:
os.dup2(fd0, 0)
os.close(fd0)
os.dup2(logfd, 1)
os.dup2(logfd, 2)
os.close(logfd)
# Make these line-buffered:
sys.stdout = os.fdopen(1, "w", 1)
sys.stderr = os.fdopen(2, "w", 1)
# Write out a shell-script so that we can start our proxy in a clean
# environment:
scriptfile = open(scriptpath, "w")
# Unix is a little silly sometimes:
umask = os.umask(0)
os.umask(umask)
if hasattr(os, "fchmod"):
os.fchmod(scriptfile.fileno(), o0700 & ~umask)
else:
os.chmod(scriptpath, o0700 & ~umask)
scriptfile.write(xpra_runner_shell_script(xpra_file, starting_dir, opts.socket_dir))
scriptfile.close()
from xpra.log import Logger
log = Logger()
# 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)
sockets = []
if opts.bind_tcp and len(opts.bind_tcp):
def setup_tcp_socket(bind_to):
try:
tcp_socket = create_tcp_socket(parser, bind_to)
sockets.append(("tcp", tcp_socket))
def cleanup_tcp_socket():
log.info("closing tcp socket %s", bind_to)
try:
tcp_socket.close()
except:
pass
_cleanups.append(cleanup_tcp_socket)
except Exception, e:
log.error("cannot start - failed to create tcp socket at %s : %s" % (bind_to, e))
return 1
for tcp_s in set(opts.bind_tcp):
setup_tcp_socket(tcp_s)