245 lines
8.5 KiB
Python
245 lines
8.5 KiB
Python
from owrx.config import PropertyManager
|
|
from owrx.source import DspManager, CpuUsageThread, SdrService, ClientRegistry
|
|
from owrx.feature import FeatureDetector
|
|
from owrx.version import openwebrx_version
|
|
import json
|
|
from owrx.map import Map
|
|
|
|
import logging
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Client(object):
|
|
def __init__(self, conn):
|
|
self.conn = conn
|
|
|
|
def protected_send(self, data):
|
|
try:
|
|
self.conn.send(data)
|
|
# these exception happen when the socket is closed
|
|
except OSError:
|
|
self.close()
|
|
except ValueError:
|
|
self.close()
|
|
|
|
def close(self):
|
|
self.conn.close()
|
|
logger.debug("connection closed")
|
|
|
|
|
|
class OpenWebRxReceiverClient(Client):
|
|
config_keys = ["waterfall_colors", "waterfall_min_level", "waterfall_max_level",
|
|
"waterfall_auto_level_margin", "lfo_offset", "samp_rate", "fft_size", "fft_fps",
|
|
"audio_compression", "fft_compression", "max_clients", "start_mod",
|
|
"client_audio_buffer_size", "start_freq", "center_freq", "mathbox_waterfall_colors",
|
|
"mathbox_waterfall_history_length", "mathbox_waterfall_frequency_resolution"]
|
|
|
|
def __init__(self, conn):
|
|
super().__init__(conn)
|
|
|
|
self.dsp = None
|
|
self.sdr = None
|
|
self.configSub = None
|
|
|
|
ClientRegistry.getSharedInstance().addClient(self)
|
|
|
|
pm = PropertyManager.getSharedInstance()
|
|
|
|
self.setSdr()
|
|
|
|
# send receiver info
|
|
receiver_keys = ["receiver_name", "receiver_location", "receiver_qra", "receiver_asl", "receiver_gps",
|
|
"photo_title", "photo_desc"]
|
|
receiver_details = dict((key, pm.getPropertyValue(key)) for key in receiver_keys)
|
|
self.write_receiver_details(receiver_details)
|
|
|
|
profiles = [{"name": s.getName() + " " + p["name"], "id":sid + "|" + pid} for (sid, s) in SdrService.getSources().items() for (pid, p) in s.getProfiles().items()]
|
|
self.write_profiles(profiles)
|
|
|
|
features = FeatureDetector().feature_availability()
|
|
self.write_features(features)
|
|
|
|
CpuUsageThread.getSharedInstance().add_client(self)
|
|
|
|
def setSdr(self, id = None):
|
|
next = SdrService.getSource(id)
|
|
if (next == self.sdr):
|
|
return
|
|
|
|
self.stopDsp()
|
|
|
|
if self.configSub is not None:
|
|
self.configSub.cancel()
|
|
self.configSub = None
|
|
|
|
self.sdr = next
|
|
|
|
# send initial config
|
|
configProps = self.sdr.getProps().collect(*OpenWebRxReceiverClient.config_keys).defaults(PropertyManager.getSharedInstance())
|
|
|
|
def sendConfig(key, value):
|
|
config = dict((key, configProps[key]) for key in OpenWebRxReceiverClient.config_keys)
|
|
# TODO mathematical properties? hmmmm
|
|
config["start_offset_freq"] = configProps["start_freq"] - configProps["center_freq"]
|
|
self.write_config(config)
|
|
|
|
self.configSub = configProps.wire(sendConfig)
|
|
sendConfig(None, None)
|
|
|
|
self.sdr.addSpectrumClient(self)
|
|
|
|
def startDsp(self):
|
|
if self.dsp is None:
|
|
self.dsp = DspManager(self, self.sdr)
|
|
self.dsp.start()
|
|
|
|
def close(self):
|
|
self.stopDsp()
|
|
CpuUsageThread.getSharedInstance().remove_client(self)
|
|
ClientRegistry.getSharedInstance().removeClient(self)
|
|
if self.configSub is not None:
|
|
self.configSub.cancel()
|
|
self.configSub = None
|
|
super().close()
|
|
|
|
def stopDsp(self):
|
|
if self.dsp is not None:
|
|
self.dsp.stop()
|
|
self.dsp = None
|
|
if self.sdr is not None:
|
|
self.sdr.removeSpectrumClient(self)
|
|
|
|
def setParams(self, params):
|
|
# only the keys in the protected property manager can be overridden from the web
|
|
protected = self.sdr.getProps().collect("samp_rate", "center_freq", "rf_gain", "type", "if_gain") \
|
|
.defaults(PropertyManager.getSharedInstance())
|
|
for key, value in params.items():
|
|
protected[key] = value
|
|
|
|
def setDspProperties(self, params):
|
|
for key, value in params.items():
|
|
self.dsp.setProperty(key, value)
|
|
|
|
def write_spectrum_data(self, data):
|
|
self.protected_send(bytes([0x01]) + data)
|
|
|
|
def write_dsp_data(self, data):
|
|
self.protected_send(bytes([0x02]) + data)
|
|
|
|
def write_s_meter_level(self, level):
|
|
self.protected_send({"type":"smeter","value":level})
|
|
|
|
def write_cpu_usage(self, usage):
|
|
self.protected_send({"type":"cpuusage","value":usage})
|
|
|
|
def write_clients(self, clients):
|
|
self.protected_send({"type":"clients","value":clients})
|
|
|
|
def write_secondary_fft(self, data):
|
|
self.protected_send(bytes([0x03]) + data)
|
|
|
|
def write_secondary_demod(self, data):
|
|
self.protected_send(bytes([0x04]) + data)
|
|
|
|
def write_secondary_dsp_config(self, cfg):
|
|
self.protected_send({"type":"secondary_config", "value":cfg})
|
|
|
|
def write_config(self, cfg):
|
|
self.protected_send({"type":"config","value":cfg})
|
|
|
|
def write_receiver_details(self, details):
|
|
self.protected_send({"type":"receiver_details","value":details})
|
|
|
|
def write_profiles(self, profiles):
|
|
self.protected_send({"type":"profiles","value":profiles})
|
|
|
|
def write_features(self, features):
|
|
self.protected_send({"type":"features","value":features})
|
|
|
|
def write_metadata(self, metadata):
|
|
self.protected_send({"type":"metadata","value":metadata})
|
|
|
|
|
|
class MapConnection(Client):
|
|
def __init__(self, conn):
|
|
super().__init__(conn)
|
|
|
|
pm = PropertyManager.getSharedInstance()
|
|
self.write_config(pm.collect("google_maps_api_key", "receiver_gps").__dict__())
|
|
|
|
Map.getSharedInstance().addClient(self)
|
|
|
|
def close(self):
|
|
Map.getSharedInstance().removeClient(self)
|
|
super().close()
|
|
|
|
def write_config(self, cfg):
|
|
self.protected_send({"type":"config","value":cfg})
|
|
|
|
def write_update(self, update):
|
|
self.protected_send({"type":"update","value":update})
|
|
|
|
class WebSocketMessageHandler(object):
|
|
def __init__(self):
|
|
self.handshake = None
|
|
self.client = None
|
|
self.dsp = None
|
|
|
|
def handleTextMessage(self, conn, message):
|
|
if (message[:16] == "SERVER DE CLIENT"):
|
|
meta = message[17:].split(" ")
|
|
self.handshake = {v[0]: "=".join(v[1:]) for v in map(lambda x: x.split("="), meta)}
|
|
|
|
conn.send("CLIENT DE SERVER server=openwebrx version={version}".format(version = openwebrx_version))
|
|
logger.debug("client connection intitialized")
|
|
|
|
if "type" in self.handshake:
|
|
if self.handshake["type"] == "receiver":
|
|
self.client = OpenWebRxReceiverClient(conn)
|
|
if self.handshake["type"] == "map":
|
|
self.client = MapConnection(conn)
|
|
# backwards compatibility
|
|
else:
|
|
self.client = OpenWebRxReceiverClient(conn)
|
|
|
|
return
|
|
|
|
if not self.handshake:
|
|
logger.warning("not answering client request since handshake is not complete")
|
|
return
|
|
|
|
try:
|
|
message = json.loads(message)
|
|
if "type" in message:
|
|
if message["type"] == "dspcontrol":
|
|
if "action" in message and message["action"] == "start":
|
|
self.client.startDsp()
|
|
|
|
if "params" in message:
|
|
params = message["params"]
|
|
self.client.setDspProperties(params)
|
|
|
|
if message["type"] == "config":
|
|
if "params" in message:
|
|
self.client.setParams(message["params"])
|
|
if message["type"] == "setsdr":
|
|
if "params" in message:
|
|
self.client.setSdr(message["params"]["sdr"])
|
|
if message["type"] == "selectprofile":
|
|
if "params" in message and "profile" in message["params"]:
|
|
profile = message["params"]["profile"].split("|")
|
|
self.client.setSdr(profile[0])
|
|
self.client.sdr.activateProfile(profile[1])
|
|
else:
|
|
logger.warning("received message without type: {0}".format(message))
|
|
|
|
except json.JSONDecodeError:
|
|
logger.warning("message is not json: {0}".format(message))
|
|
|
|
def handleBinaryMessage(self, conn, data):
|
|
logger.error("unsupported binary message, discarding")
|
|
|
|
def handleClose(self, conn):
|
|
if self.client:
|
|
self.client.close()
|