def __init__(self, conn, compression_level):
gobject.GObject.__init__(self)
self._window_to_id = {}
self._id_to_window = {}
self._protocol = Protocol(conn, self.process_packet)
ClientSource(self._protocol)
capabilities_request = dict(default_capabilities)
if compression_level:
capabilities_request["deflate"] = compression_level
root_w, root_h = gtk.gdk.get_default_root_window().get_size()
capabilities_request["desktop_size"] = [root_w, root_h]
self.send(["hello", capabilities_request])
self._keymap = gtk.gdk.keymap_get_default()
self._keymap.connect("keys-changed", self._keys_changed)
self._keys_changed()
self._xsettings_watcher = None
self._root_props_watcher = None
# FIXME: these should perhaps be merged.
self._clipboard_helper = ClipboardProtocolHelper(self.send)
self._client_extras = ClientExtras(self.send)
self._focused = None
def init_ui(self, opts):
""" initialize user interface """
if not self.readonly:
def noauto(v):
if not v:
return None
if str(v).lower() == "auto":
return None
return v
overrides = [
noauto(getattr(opts, "keyboard_%s" % x)) for x in (
"layout",
"layouts",
"variant",
"variants",
"options",
)
]
def send_keyboard(*parts):
self.after_handshake(self.send, *parts)
try:
self.keyboard_helper = self.keyboard_helper_class(
send_keyboard, opts.keyboard_sync, opts.shortcut_modifiers,
opts.key_shortcut, opts.keyboard_raw, *overrides)
except ImportError as e:
keylog("error instantiating %s",
self.keyboard_helper_class,
exc_info=True)
keylog.warn("Warning: no keyboard support, %s", e)
if mixin_features.windows:
self.init_opengl(opts.opengl)
if ClientExtras is not None:
self.client_extras = ClientExtras(self, opts) #pylint: disable=not-callable
if opts.start or opts.start_child:
from xpra.scripts.main import strip_defaults_start_child
from xpra.scripts.config import make_defaults_struct
defaults = make_defaults_struct()
self.start_new_commands = strip_defaults_start_child(
opts.start, defaults.start) #pylint: disable=no-member
self.start_child_new_commands = strip_defaults_start_child(
opts.start_child, defaults.start_child) #pylint: disable=no-member
if MOUSE_DELAY_AUTO:
try:
v = self.get_vrefresh()
if v <= 0:
#some platforms don't detect the vrefresh correctly
#(ie: macos in virtualbox?), so use a sane default:
v = 60
self._mouse_position_delay = 1000 // v // 2
log("mouse delay: %s", self._mouse_position_delay)
except Exception:
log("failed to calculate automatic delay", exc_info=True)
def init_ui(self, opts, extra_args=[]):
""" initialize user interface """
if not self.readonly:
def noauto(v):
if not v:
return None
if str(v).lower() == "auto":
return None
return v
overrides = [
noauto(getattr(opts, "keyboard_%s" % x))
for x in ("layout", "layouts", "variant", "variants",
"options")
]
self.keyboard_helper = self.keyboard_helper_class(
self.send, opts.keyboard_sync, opts.shortcut_modifiers,
opts.key_shortcut, opts.keyboard_raw, *overrides)
TrayClient.init_ui(self)
NotificationClient.init_ui(self)
self.init_opengl(opts.opengl)
#audio tagging:
AudioClient.init_audio_tagging(self, opts.tray_icon)
if ClientExtras is not None:
self.client_extras = ClientExtras(self, opts)
WindowClient.init_ui(self, opts, extra_args)
if MOUSE_DELAY_AUTO:
try:
from xpra.platform.gui import get_vrefresh
v = get_vrefresh()
if v <= 0:
#some platforms don't detect the vrefresh correctly
#(ie: macos in virtualbox?), so use a sane default:
v = 60
self._mouse_position_delay = 1000 // v
log("mouse delay: %s", self._mouse_position_delay)
except Exception:
log("failed to calculate automatic delay", exc_info=True)
def __init__(self, conn, opts):
XpraClientBase.__init__(self, opts)
self.start_time = time.time()
self._window_to_id = {}
self._id_to_window = {}
self.title = opts.title
self.readonly = opts.readonly
self.session_name = opts.session_name
self.compression_level = opts.compression_level
self.auto_refresh_delay = opts.auto_refresh_delay
self.max_bandwidth = opts.max_bandwidth
if self.max_bandwidth > 0.0 and self.jpegquality == 0:
""" jpegquality was not set, use a better start value """
self.jpegquality = 50
self.dpi = int(opts.dpi)
#statistics:
self.server_start_time = -1
self.server_platform = ""
self.server_actual_desktop_size = None
self.server_randr = False
self.pixel_counter = maxdeque(maxlen=100)
self.server_latency = maxdeque(maxlen=100)
self.server_load = None
self.client_latency = maxdeque(maxlen=100)
self.last_ping_echoed_time = 0
#features:
self.toggle_cursors_bell_notify = False
self.toggle_keyboard_sync = False
self.window_configure = False
self._client_extras = ClientExtras(self, opts)
self.client_supports_notifications = opts.notifications and self._client_extras.can_notify(
)
self.client_supports_clipboard = opts.clipboard and self._client_extras.supports_clipboard(
) and not self.readonly
self.client_supports_cursors = opts.cursors
self.client_supports_bell = opts.bell
self.notifications_enabled = self.client_supports_notifications
self.clipboard_enabled = self.client_supports_clipboard
self.cursors_enabled = self.client_supports_cursors
self.bell_enabled = self.client_supports_bell
#mmap:
self.mmap_enabled = False
self.mmap = None
self.mmap_token = None
self.mmap_file = None
self.mmap_size = 0
self.supports_mmap = opts.mmap and (
"rgb24" in ENCODINGS) and self._client_extras.supports_mmap()
if self.supports_mmap:
self.init_mmap(opts.mmap_group, conn.filename)
self.init_packet_handlers()
self.ready(conn)
#keyboard:
self.keyboard_sync = opts.keyboard_sync
self.key_repeat_delay = -1
self.key_repeat_interval = -1
self.keys_pressed = {}
self._remote_version = None
self._keymap_changing = False
try:
self._keymap = gdk.keymap_get_default()
except:
self._keymap = None
self._do_keys_changed()
self.key_shortcuts = self.parse_shortcuts(opts.key_shortcuts)
self.send_hello()
if self._keymap:
self._keymap.connect("keys-changed", self._keys_changed)
self._focused = None
def compute_receive_bandwidth(delay):
bytecount = self._protocol.input_bytecount
bw = (
(bytecount - self.last_input_bytecount) / 1024) * 1000 / delay
self.last_input_bytecount = bytecount
log.debug("Bandwidth is ", bw, "kB/s, max ", self.max_bandwidth,
"kB/s")
q = self.jpegquality
if bw > self.max_bandwidth:
q -= 10
elif bw < self.max_bandwidth:
q += 5
q = max(10, min(95, q))
self.send_jpeg_quality(q)
return True
if (self.max_bandwidth):
self.last_input_bytecount = 0
gobject.timeout_add(2000, compute_receive_bandwidth, 2000)
if opts.send_pings:
gobject.timeout_add(1000, self.send_ping)
else:
gobject.timeout_add(20 * 1000, self.send_ping)
def __init__(self, conn, opts):
XpraClientBase.__init__(self, opts)
self.start_time = time.time()
self._window_to_id = {}
self._id_to_window = {}
self.title = opts.title
self.readonly = opts.readonly
self.session_name = opts.session_name
self.compression_level = opts.compression_level
self.auto_refresh_delay = opts.auto_refresh_delay
self.max_bandwidth = opts.max_bandwidth
if self.max_bandwidth > 0.0 and self.jpegquality == 0:
""" jpegquality was not set, use a better start value """
self.jpegquality = 50
self.mmap_enabled = False
self.server_start_time = -1
self.server_platform = ""
self.server_actual_desktop_size = None
self.server_randr = False
self.pixel_counter = maxdeque(maxlen=100)
self.server_latency = maxdeque(maxlen=100)
self.server_load = None
self.client_latency = maxdeque(maxlen=100)
self.toggle_cursors_bell_notify = False
self.toggle_keyboard_sync = False
self.bell_enabled = True
self.cursors_enabled = True
self.notifications_enabled = True
self.clipboard_enabled = False
self.window_configure = False
self.mmap = None
self.mmap_token = None
self.mmap_file = None
self.mmap_size = 0
self.last_ping_echoed_time = 0
self._client_extras = ClientExtras(self, opts)
self.clipboard_enabled = not self.readonly and opts.clipboard and self._client_extras.supports_clipboard(
)
self.supports_mmap = opts.mmap and (
"rgb24" in ENCODINGS) and self._client_extras.supports_mmap()
if self.supports_mmap:
try:
import mmap
import tempfile
import uuid
from stat import S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP
mmap_dir = os.getenv("TMPDIR", "/tmp")
if not os.path.exists(mmap_dir):
raise Exception("TMPDIR %s does not exist!" % mmap_dir)
#create the mmap file, the mkstemp that is called via NamedTemporaryFile ensures
#that the file is readable and writable only by the creating user ID
temp = tempfile.NamedTemporaryFile(prefix="xpra.",
suffix=".mmap",
dir=mmap_dir)
#keep a reference to it so it does not disappear!
self._mmap_temp_file = temp
self.mmap_file = temp.name
fd = temp.file.fileno()
#set the group permissions and gid if the mmap-group option is specified
if opts.mmap_group and type(
conn.target) == str and os.path.exists(conn.target):
s = os.stat(conn.target)
os.fchown(fd, -1, s.st_gid)
os.fchmod(fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP)
self.mmap_size = max(
4096, mmap.PAGESIZE) * 32 * 1024 #generally 128MB
log("using mmap file %s, fd=%s, size=%s", self.mmap_file, fd,
self.mmap_size)
os.lseek(fd, self.mmap_size - 1, os.SEEK_SET)
assert os.write(fd, '\x00')
os.lseek(fd, 0, os.SEEK_SET)
self.mmap = mmap.mmap(fd, length=self.mmap_size)
#write the 16 byte token one byte at a time - no endianness
self.mmap_token = uuid.uuid4().int
log.debug("mmap_token=%s", self.mmap_token)
v = self.mmap_token
for i in range(0, 16):
poke = ctypes.c_ubyte.from_buffer(self.mmap, 512 + i)
poke.value = v % 256
v = v >> 8
assert v == 0
except Exception, e:
log.error("failed to setup mmap: %s", e)
self.supports_mmap = False
self.clean_mmap()
self.mmap = None
self.mmap_file = None
self.mmap_size = 0
def __init__(self, conn, opts):
XpraClientBase.__init__(self, opts)
self.start_time = time.time()
self._window_to_id = {}
self._id_to_window = {}
title = opts.title
if opts.title_suffix is not None:
title = "@title@ %s" % opts.title_suffix
self.title = title
self.readonly = opts.readonly
self.session_name = opts.session_name
self.compression_level = opts.compression_level
self.auto_refresh_delay = opts.auto_refresh_delay
self.max_bandwidth = opts.max_bandwidth
if self.max_bandwidth>0.0 and self.jpegquality==0:
""" jpegquality was not set, use a better start value """
self.jpegquality = 50
self.server_capabilities = {}
self.can_ping = False
self.mmap_enabled = False
self.server_start_time = -1
self.server_platform = ""
self.server_actual_desktop_size = None
self.server_desktop_size = None
self.server_randr = False
self.pixel_counter = deque(maxlen=100)
self.server_latency = deque(maxlen=100)
self.server_load = None
self.client_latency = deque(maxlen=100)
self.bell_enabled = True
self.notifications_enabled = True
self.send_damage_sequence = False
self.clipboard_enabled = False
self.mmap = None
self.mmap_token = None
self.mmap_file = None
self.mmap_size = 0
self._client_extras = ClientExtras(self, opts)
self.clipboard_enabled = not self.readonly and opts.clipboard and self._client_extras.supports_clipboard()
self.supports_mmap = opts.mmap and self._client_extras.supports_mmap()
if self.supports_mmap:
try:
import mmap
import tempfile
import uuid
import ctypes
from stat import S_IRUSR,S_IWUSR
mmap_dir = os.getenv("TMPDIR", "/tmp")
if not os.path.exists(mmap_dir):
raise Exception("TMPDIR %s does not exist!" % mmap_dir)
temp = tempfile.NamedTemporaryFile(prefix="xpra.", suffix=".mmap", dir=mmap_dir)
#keep a reference to it so it does not disappear!
self._mmap_temp_file = temp
self.mmap_file = temp.name
#ensure that the permissions are strict:
os.chmod(self.mmap_file, S_IRUSR|S_IWUSR)
self.mmap_size = max(4096, mmap.PAGESIZE)*32*1024 #generally 128MB
fd = temp.file.fileno()
log("using mmap file %s, fd=%s, size=%s", self.mmap_file, fd, self.mmap_size)
os.lseek(fd, self.mmap_size-1, os.SEEK_SET)
assert os.write(fd, '\x00')
os.lseek(fd, 0, os.SEEK_SET)
self.mmap = mmap.mmap(fd, length=self.mmap_size)
#write the 16 byte token one byte at a time - no endianness
self.mmap_token = uuid.uuid4().int
log.debug("mmap_token=%s", self.mmap_token)
v = self.mmap_token
for i in range(0,16):
poke = ctypes.c_ubyte.from_buffer(self.mmap, 512+i)
poke.value = v % 256
v = v>>8
assert v==0
except Exception, e:
log.error("failed to setup mmap: %s", e)
self.supports_mmap = False
self.clean_mmap()
self.mmap = None
self.mmap_file = None
self.mmap_size = 0
