def parse_server_capabilities(self, c: typedict) -> bool:
self.server_av_sync = c.boolget("av-sync.enabled")
avsynclog("av-sync: server=%s, client=%s", self.server_av_sync,
self.av_sync)
self.server_pulseaudio_id = c.strget("sound.pulseaudio.id")
self.server_pulseaudio_server = c.strget("sound.pulseaudio.server")
self.server_sound_decoders = c.strtupleget("sound.decoders")
self.server_sound_encoders = c.strtupleget("sound.encoders")
self.server_sound_receive = c.boolget("sound.receive")
self.server_sound_send = c.boolget("sound.send")
log(
"pulseaudio id=%s, server=%s, sound decoders=%s, sound encoders=%s, receive=%s, send=%s",
self.server_pulseaudio_id, self.server_pulseaudio_server,
csv(self.server_sound_decoders), csv(self.server_sound_encoders),
self.server_sound_receive, self.server_sound_send)
if self.server_sound_send and self.speaker_enabled:
self.show_progress(90, "starting speaker forwarding")
self.start_receiving_sound()
if self.server_sound_receive and self.microphone_enabled:
#call via idle_add because we may query X11 properties
#to find the pulseaudio server:
GLib.idle_add(self.start_sending_sound)
return True
def parse_client_caps(self, c : typedict):
#general features:
self.info_namespace = c.boolget("info-namespace")
self.share = c.boolget("share")
self.lock = c.boolget("lock")
self.control_commands = c.strtupleget("control_commands")
self.xdg_menu_update = c.boolget("xdg-menu-update")
bandwidth_limit = c.intget("bandwidth-limit", 0)
server_bandwidth_limit = self.server_bandwidth_limit
if self.server_bandwidth_limit is None:
server_bandwidth_limit = self.get_socket_bandwidth_limit() or bandwidth_limit
self.bandwidth_limit = min(server_bandwidth_limit, bandwidth_limit)
if self.bandwidth_detection:
self.bandwidth_detection = c.boolget("bandwidth-detection", True)
self.client_connection_data = c.dictget("connection-data", {})
ccd = typedict(self.client_connection_data)
self.adapter_type = ccd.strget("adapter-type", "")
self.jitter = ccd.intget("jitter", 0)
bandwidthlog("server bandwidth-limit=%s, client bandwidth-limit=%s, value=%s, detection=%s",
server_bandwidth_limit, bandwidth_limit, self.bandwidth_limit, self.bandwidth_detection)
if getattr(self, "mmap_size", 0)>0:
log("mmap enabled, ignoring bandwidth-limit")
self.bandwidth_limit = 0
def parse_client_caps(self, c: typedict):
#general features:
self.info_namespace = c.boolget("info-namespace")
self.send_notifications = c.boolget("notifications")
self.send_notifications_actions = c.boolget("notifications.actions")
log("notifications=%s, actions=%s", self.send_notifications,
self.send_notifications_actions)
self.share = c.boolget("share")
self.lock = c.boolget("lock")
self.control_commands = c.strtupleget("control_commands")
self.xdg_menu_update = c.boolget("xdg-menu-update")
bandwidth_limit = c.intget("bandwidth-limit", 0)
server_bandwidth_limit = self.server_bandwidth_limit
if self.server_bandwidth_limit is None:
server_bandwidth_limit = self.get_socket_bandwidth_limit(
) or bandwidth_limit
self.bandwidth_limit = min(server_bandwidth_limit, bandwidth_limit)
if self.bandwidth_detection:
self.bandwidth_detection = c.boolget("bandwidth-detection", True)
self.client_connection_data = c.dictget("connection-data", {})
self.jitter = typedict(self.client_connection_data).intget("jitter", 0)
bandwidthlog(
"server bandwidth-limit=%s, client bandwidth-limit=%s, value=%s, detection=%s",
server_bandwidth_limit, bandwidth_limit, self.bandwidth_limit,
self.bandwidth_detection)
if getattr(self, "mmap_size", 0) > 0:
log("mmap enabled, ignoring bandwidth-limit")
self.bandwidth_limit = 0
#adjust max packet size if file transfers are enabled:
#TODO: belongs in mixin:
file_transfer = getattr(self, "file_transfer", None)
if file_transfer:
self.protocol.max_packet_size = max(
self.protocol.max_packet_size,
self.file_size_limit * 1024 * 1024)
def parse_server_capabilities(self, c: typedict) -> bool:
for cb in CLIENT_BASES:
if not cb.parse_server_capabilities(self, c):
log.info("failed to parse server capabilities in %s", cb)
return False
self.server_session_name = strtobytes(c.rawget("session_name",
b"")).decode("utf-8")
set_name("Xpra", self.session_name or self.server_session_name
or "Xpra")
self.server_platform = c.strget("platform")
self.server_sharing = c.boolget("sharing")
self.server_sharing_toggle = c.boolget("sharing-toggle")
self.server_lock = c.boolget("lock")
self.server_lock_toggle = c.boolget("lock-toggle")
self.server_keyboard = c.boolget("keyboard", True)
self.server_pointer = c.boolget("pointer", True)
self.server_start_new_commands = c.boolget("start-new-commands")
if self.server_start_new_commands:
self.server_xdg_menu = c.dictget("xdg-menu", None)
if self.start_new_commands or self.start_child_new_commands:
if self.server_start_new_commands:
self.after_handshake(self.send_start_new_commands)
else:
log.warn("Warning: cannot start new commands")
log.warn(" the feature is currently disabled on the server")
self.server_commands_info = c.boolget("server-commands-info")
self.server_commands_signals = c.strtupleget("server-commands-signals")
self.server_readonly = c.boolget("readonly")
if self.server_readonly and not self.readonly:
log.info("server is read only")
self.readonly = True
if not self.server_keyboard and self.keyboard_helper:
#swallow packets:
def nosend(*_args):
pass
self.keyboard_helper.send = nosend
i = platform_name(
self._remote_platform,
c.strtupleget("platform.linux_distribution")
or c.strget("platform.release", ""))
r = self._remote_version
if self._remote_revision:
r += "-r%s" % self._remote_revision
mode = c.strget("server.mode", "server")
bits = c.intget("python.bits", 32)
log.info("Xpra %s server version %s %i-bit", mode, std(r), bits)
if i:
log.info(" running on %s", std(i))
if c.boolget("desktop") or c.boolget("shadow"):
v = c.intpair("actual_desktop_size")
if v:
w, h = v
ss = c.tupleget("screen_sizes")
if ss:
log.info(" remote desktop size is %sx%s with %s screen%s:",
w, h, len(ss), engs(ss))
log_screen_sizes(w, h, ss)
else:
log.info(" remote desktop size is %sx%s", w, h)
if c.boolget("proxy"):
proxy_hostname = c.strget("proxy.hostname")
proxy_platform = c.strget("proxy.platform")
proxy_release = c.strget("proxy.platform.release")
proxy_version = c.strget("proxy.version")
proxy_version = c.strget("proxy.build.version", proxy_version)
proxy_distro = c.strget("proxy.linux_distribution")
msg = "via: %s proxy version %s" % (platform_name(
proxy_platform, proxy_distro
or proxy_release), std(proxy_version or "unknown"))
if proxy_hostname:
msg += " on '%s'" % std(proxy_hostname)
log.info(msg)
return True
def is_needed(cls, caps : typedict) -> bool:
return bool(caps.strtupleget("encodings"))
def parse_client_caps(self, c : typedict):
#batch options:
def batch_value(prop, default, minv=None, maxv=None):
assert default is not None
def parse_batch_int(value, varname):
if value is not None:
try:
return int(value)
except (TypeError, ValueError):
log.error("Error: invalid value '%s' for batch option %s", value, varname)
return None
#from client caps first:
cpname = "batch.%s" % prop
v = parse_batch_int(c.get(cpname), cpname)
#try env:
if v is None:
evname = "XPRA_BATCH_%s" % prop.upper()
v = parse_batch_int(os.environ.get(evname), evname)
#fallback to default:
if v is None:
v = default
if minv is not None:
v = max(minv, v)
if maxv is not None:
v = min(maxv, v)
assert v is not None
return v
#general features:
self.zlib = c.boolget("zlib", True)
self.lz4 = c.boolget("lz4", False) and use("lz4")
self.brotli = c.boolget("brotli", False) and use("brotli")
log("compressors: zlib=%s, lz4=%s, brotli=%s",
self.zlib, self.lz4, self.brotli)
delay = batch_config.START_DELAY
dbc = self.default_batch_config
dbc.always = bool(batch_value("always", batch_config.ALWAYS))
dbc.min_delay = batch_value("min_delay", batch_config.MIN_DELAY, 0, 1000)
dbc.max_delay = batch_value("max_delay", batch_config.MAX_DELAY, 1, 15000)
dbc.max_events = batch_value("max_events", batch_config.MAX_EVENTS)
dbc.max_pixels = batch_value("max_pixels", batch_config.MAX_PIXELS)
dbc.time_unit = batch_value("time_unit", batch_config.TIME_UNIT, 1)
self.vrefresh = c.intget("vrefresh", -1)
dbc.match_vrefresh(self.vrefresh)
dbc.delay = batch_value("delay", delay, dbc.min_delay)
log("default batch config: %s", dbc)
#encodings:
self.encodings_packet = c.boolget("encodings.packet", False)
self.encodings = c.strtupleget("encodings")
self.core_encodings = c.strtupleget("encodings.core", self.encodings)
log("encodings=%s, core_encodings=%s", self.encodings, self.core_encodings)
#we can't assume that the window mixin is loaded,
#or that the ui_client flag exists:
send_ui = getattr(self, "ui_client", True) and getattr(self, "send_windows", True)
if send_ui and not self.core_encodings:
raise ClientException("client failed to specify any supported encodings")
self.window_icon_encodings = c.strtupleget("encodings.window-icon", ("premult_argb32",))
#try both spellings for older versions:
for x in ("encodings", "encoding",):
self.rgb_formats = c.strtupleget(x+".rgb_formats", self.rgb_formats)
#skip all other encoding related settings if we don't send pixels:
if not send_ui:
log("windows/pixels forwarding is disabled for this client")
else:
self.parse_encoding_caps(c)