113 lines
4.2 KiB
Python
113 lines
4.2 KiB
Python
import mimetypes
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from owrx.websocket import WebSocketConnection
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from owrx.config import PropertyManager
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from owrx.source import SpectrumThread
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import csdr
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import json
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class Controller(object):
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def __init__(self, handler, matches):
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self.handler = handler
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self.matches = matches
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def send_response(self, content, code = 200, content_type = "text/html"):
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self.handler.send_response(code)
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if content_type is not None:
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self.handler.send_header("Content-Type", content_type)
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self.handler.end_headers()
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if (type(content) == str):
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content = content.encode()
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self.handler.wfile.write(content)
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def render_template(self, template, **variables):
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f = open('htdocs/' + template)
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data = f.read()
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f.close()
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self.send_response(data)
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class StatusController(Controller):
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def handle_request(self):
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self.send_response("you have reached the status page!")
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class IndexController(Controller):
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def handle_request(self):
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self.render_template("index.wrx")
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class AssetsController(Controller):
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def serve_file(self, file):
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try:
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f = open('htdocs/' + file, 'rb')
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data = f.read()
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f.close()
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(content_type, encoding) = mimetypes.MimeTypes().guess_type(file)
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self.send_response(data, content_type = content_type)
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except FileNotFoundError:
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self.send_response("file not found", code = 404)
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def handle_request(self):
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filename = self.matches.group(1)
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self.serve_file(filename)
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class SpectrumForwarder(object):
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def __init__(self, conn):
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self.conn = conn
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def write_spectrum_data(self, data):
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self.conn.send(bytes([0x01]) + data)
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class WebSocketMessageHandler(object):
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def __init__(self):
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self.forwarder = None
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def handleTextMessage(self, conn, message):
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if (message[:16] == "SERVER DE CLIENT"):
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config = {}
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pm = PropertyManager.getSharedInstance()
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for key in ["waterfall_colors", "waterfall_min_level", "waterfall_max_level", "waterfall_auto_level_margin",
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"shown_center_freq", "samp_rate", "fft_size", "fft_fps", "audio_compression", "fft_compression",
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"max_clients"]:
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config[key] = pm.getProperty(key).getValue()
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conn.send({"type":"config","value":config})
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print("client connection intitialized")
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dsp = self.dsp = csdr.dsp()
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dsp_initialized=False
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dsp.set_audio_compression(pm.getPropertyValue("audio_compression"))
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dsp.set_fft_compression(pm.getPropertyValue("fft_compression")) #used by secondary chains
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dsp.set_format_conversion(pm.getPropertyValue("format_conversion"))
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dsp.set_offset_freq(0)
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dsp.set_bpf(-4000,4000)
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dsp.set_secondary_fft_size(pm.getPropertyValue("digimodes_fft_size"))
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dsp.nc_port=pm.getPropertyValue("iq_server_port")
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dsp.csdr_dynamic_bufsize = pm.getPropertyValue("csdr_dynamic_bufsize")
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dsp.csdr_print_bufsizes = pm.getPropertyValue("csdr_print_bufsizes")
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dsp.csdr_through = pm.getPropertyValue("csdr_through")
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do_secondary_demod=False
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self.forwarder = SpectrumForwarder(conn)
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SpectrumThread.getSharedInstance().add_client(self.forwarder)
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else:
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try:
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message = json.loads(message)
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if message["type"] == "start":
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self.dsp.set_samp_rate(message["params"]["output_rate"])
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self.dsp.start()
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except json.JSONDecodeError:
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print("message is not json: {0}".format(message))
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def handleBinaryMessage(self, conn, data):
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print("unsupported binary message, discarding")
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def handleClose(self, conn):
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if self.forwarder:
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SpectrumThread.getSharedInstance().remove_client(self.forwarder)
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class WebSocketController(Controller):
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def handle_request(self):
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conn = WebSocketConnection(self.handler, WebSocketMessageHandler())
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conn.send("CLIENT DE SERVER openwebrx.py")
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# enter read loop
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conn.read_loop()
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