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Jakob Ketterl 2019-05-11 12:58:09 +02:00
parent 8617997e23
commit d5f17d66d9
2 changed files with 31 additions and 768 deletions
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openwebrx.py Executable file → Normal file
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#!/usr/bin/python2
print "" # python2.7 is required to run OpenWebRX instead of python3. Please run me by: python2 openwebrx.py
"""
from http.server import HTTPServer
from owrx.http import RequestHandler
from owrx.config import PropertyManager, FeatureDetector
from owrx.source import SdrService
from socketserver import ThreadingMixIn
This file is part of OpenWebRX,
an open-source SDR receiver software with a web UI.
Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
import logging
logging.basicConfig(level = logging.DEBUG, format = "%(asctime)s - %(name)s - %(levelname)s - %(message)s")
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
sw_version="v0.17"
#0.15 (added nmux)
import os
import code
import importlib
import csdr
import thread
import time
import datetime
import subprocess
import os
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from SocketServer import ThreadingMixIn
import fcntl
import time
import md5
import random
import threading
import sys
import traceback
from collections import namedtuple
import Queue
import ctypes
#import rtl_mus
import rxws
import uuid
import signal
import socket
try: import sdrhu
except: sdrhu=False
avatar_ctime=""
#pypy compatibility
try: import dl
except: pass
try: import __pypy__
except: pass
pypy="__pypy__" in globals()
"""
def import_all_plugins(directory):
for subdir in os.listdir(directory):
if os.path.isdir(directory+subdir) and not subdir[0]=="_":
exact_path=directory+subdir+"/plugin.py"
if os.path.isfile(exact_path):
importname=(directory+subdir+"/plugin").replace("/",".")
print "[openwebrx-import] Found plugin:",importname
importlib.import_module(importname)
"""
class MultiThreadHTTPServer(ThreadingMixIn, HTTPServer):
class ThreadedHttpServer(ThreadingMixIn, HTTPServer):
pass
def handle_signal(sig, frame):
global spectrum_dsp
if sig == signal.SIGUSR1:
print "[openwebrx] Verbose status information on USR1 signal"
print
print "time.time() =", time.time()
print "clients_mutex.locked() =", clients_mutex.locked()
print "clients_mutex_locker =", clients_mutex_locker
if server_fail: print "server_fail = ", server_fail
print "spectrum_thread_watchdog_last_tick =", spectrum_thread_watchdog_last_tick
print
print "clients:",len(clients)
for client in clients:
print
for key in client._fields:
print "\t%s = %s"%(key,str(getattr(client,key)))
elif sig == signal.SIGUSR2:
code.interact(local=globals())
else:
print "[openwebrx] Ctrl+C: aborting."
cleanup_clients(True)
spectrum_dsp.stop()
os._exit(1) #not too graceful exit
def access_log(data):
global logs
logs.access_log.write("["+datetime.datetime.now().isoformat()+"] "+data+"\n")
logs.access_log.flush()
receiver_failed=spectrum_thread_watchdog_last_tick=rtl_thread=spectrum_dsp=server_fail=None
def main():
global clients, clients_mutex, pypy, lock_try_time, avatar_ctime, cfg, logs
global serverfail, rtl_thread
print
print "OpenWebRX - Open Source SDR Web App for Everyone! | for license see LICENSE file in the package"
print "_________________________________________________________________________________________________"
print
print "Author contact info: Andras Retzler, HA7ILM <randras@sdr.hu>"
print
print()
print("OpenWebRX - Open Source SDR Web App for Everyone! | for license see LICENSE file in the package")
print("_________________________________________________________________________________________________")
print()
print("Author contact info: Andras Retzler, HA7ILM <randras@sdr.hu>")
print()
no_arguments=len(sys.argv)==1
if no_arguments: print "[openwebrx-main] Configuration script not specified. I will use: \"config_webrx.py\""
cfg=__import__("config_webrx" if no_arguments else sys.argv[1])
for option in ("access_log","csdr_dynamic_bufsize","csdr_print_bufsizes","csdr_through"):
if not option in dir(cfg): setattr(cfg, option, False) #initialize optional config parameters
#Open log files
logs = type("logs_class", (object,), {"access_log":open(cfg.access_log if cfg.access_log else "/dev/null","a"), "error_log":""})()
#Set signal handler
signal.signal(signal.SIGINT, handle_signal) #http://stackoverflow.com/questions/1112343/how-do-i-capture-sigint-in-python
signal.signal(signal.SIGUSR1, handle_signal)
signal.signal(signal.SIGUSR2, handle_signal)
#Pypy
if pypy: print "pypy detected (and now something completely different: c code is expected to run at a speed of 3*10^8 m/s?)"
#Change process name to "openwebrx" (to be seen in ps)
try:
for libcpath in ["/lib/i386-linux-gnu/libc.so.6","/lib/libc.so.6"]:
if os.path.exists(libcpath):
libc = dl.open(libcpath)
libc.call("prctl", 15, "openwebrx", 0, 0, 0)
break
except:
pass
#Start rtl thread
if os.system("csdr 2> /dev/null") == 32512: #check for csdr
print "[openwebrx-main] You need to install \"csdr\" to run OpenWebRX!\n"
return
if os.system("nmux --help 2> /dev/null") == 32512: #check for nmux
print "[openwebrx-main] You need to install an up-to-date version of \"csdr\" that contains the \"nmux\" tool to run OpenWebRX! Please upgrade \"csdr\"!\n"
return
if cfg.start_rtl_thread:
nmux_bufcnt = nmux_bufsize = 0
while nmux_bufsize < cfg.samp_rate/4: nmux_bufsize += 4096
while nmux_bufsize * nmux_bufcnt < cfg.nmux_memory * 1e6: nmux_bufcnt += 1
if nmux_bufcnt == 0 or nmux_bufsize == 0:
print "[openwebrx-main] Error: nmux_bufsize or nmux_bufcnt is zero. These depend on nmux_memory and samp_rate options in config_webrx.py"
return
print "[openwebrx-main] nmux_bufsize = %d, nmux_bufcnt = %d" % (nmux_bufsize, nmux_bufcnt)
cfg.start_rtl_command += "| nmux --bufsize %d --bufcnt %d --port %d --address 127.0.0.1" % (nmux_bufsize, nmux_bufcnt, cfg.iq_server_port)
rtl_thread=threading.Thread(target = lambda:subprocess.Popen(cfg.start_rtl_command, shell=True), args=())
rtl_thread.start()
print "[openwebrx-main] Started rtl_thread: "+cfg.start_rtl_command
print "[openwebrx-main] Waiting for I/Q server to start..."
while True:
testsock=socket.socket()
try: testsock.connect(("127.0.0.1", cfg.iq_server_port))
except:
time.sleep(0.1)
cfg = __import__("config_webrx")
pm = PropertyManager.getSharedInstance()
for name, value in cfg.__dict__.items():
if name.startswith("__"):
continue
testsock.close()
break
print "[openwebrx-main] I/Q server started."
pm[name] = value
#Initialize clients
clients=[]
clients_mutex=threading.Lock()
lock_try_time=0
featureDetector = FeatureDetector()
if not featureDetector.is_available("core"):
print("you are missing required dependencies to run openwebrx. "
"please check that the following core requirements are installed:")
print(", ".join(featureDetector.get_requirements("core")))
return
#Start watchdog thread
print "[openwebrx-main] Starting watchdog threads."
mutex_test_thread=threading.Thread(target = mutex_test_thread_function, args = ())
mutex_test_thread.start()
mutex_watchdog_thread=threading.Thread(target = mutex_watchdog_thread_function, args = ())
mutex_watchdog_thread.start()
# Get error messages about unknown / unavailable features as soon as possible
SdrService.loadProps()
server = ThreadedHttpServer(('0.0.0.0', pm.getPropertyValue("web_port")), RequestHandler)
server.serve_forever()
#Start spectrum thread
print "[openwebrx-main] Starting spectrum thread."
spectrum_thread=threading.Thread(target = spectrum_thread_function, args = ())
spectrum_thread.start()
#spectrum_watchdog_thread=threading.Thread(target = spectrum_watchdog_thread_function, args = ())
#spectrum_watchdog_thread.start()
get_cpu_usage()
bcastmsg_thread=threading.Thread(target = bcastmsg_thread_function, args = ())
bcastmsg_thread.start()
#threading.Thread(target = measure_thread_function, args = ()).start()
#Start sdr.hu update thread
if sdrhu and cfg.sdrhu_key and cfg.sdrhu_public_listing:
print "[openwebrx-main] Starting sdr.hu update thread..."
avatar_ctime=str(os.path.getctime("htdocs/gfx/openwebrx-avatar.png"))
sdrhu_thread=threading.Thread(target = sdrhu.run, args = ())
sdrhu_thread.start()
#Start HTTP thread
httpd = MultiThreadHTTPServer(('', cfg.web_port), WebRXHandler)
print('[openwebrx-main] Starting HTTP server.')
access_log("Starting OpenWebRX...")
httpd.serve_forever()
# This is a debug function below:
measure_value=0
def measure_thread_function():
global measure_value
while True:
print "[openwebrx-measure] value is",measure_value
measure_value=0
time.sleep(1)
def bcastmsg_thread_function():
global clients
while True:
time.sleep(3)
try: cpu_usage=get_cpu_usage()
except: cpu_usage=0
cma("bcastmsg_thread")
for i in range(0,len(clients)):
clients[i].bcastmsg="MSG cpu_usage={0} clients={1}".format(int(cpu_usage*100),len(clients))
cmr()
def mutex_test_thread_function():
global clients_mutex, lock_try_time
while True:
time.sleep(0.5)
lock_try_time=time.time()
clients_mutex.acquire()
clients_mutex.release()
lock_try_time=0
def cma(what): #clients_mutex acquire
global clients_mutex
global clients_mutex_locker
if not clients_mutex.locked(): clients_mutex_locker = what
clients_mutex.acquire()
def cmr():
global clients_mutex
global clients_mutex_locker
clients_mutex_locker = None
clients_mutex.release()
def mutex_watchdog_thread_function():
global lock_try_time
global clients_mutex_locker
global clients_mutex
while True:
if lock_try_time != 0 and time.time()-lock_try_time > 3.0:
#if 3 seconds pass without unlock
print "[openwebrx-mutex-watchdog] Mutex unlock timeout. Locker: \""+str(clients_mutex_locker)+"\" Now unlocking..."
clients_mutex.release()
time.sleep(0.5)
def spectrum_watchdog_thread_function():
global spectrum_thread_watchdog_last_tick, receiver_failed
while True:
time.sleep(60)
if spectrum_thread_watchdog_last_tick and time.time()-spectrum_thread_watchdog_last_tick > 60.0:
print "[openwebrx-spectrum-watchdog] Spectrum timeout. Seems like no I/Q data is coming from the receiver.\nIf you're using RTL-SDR, the receiver hardware may randomly fail under some circumstances:\n1) high temperature,\n2) insufficient current available from the USB port."
print "[openwebrx-spectrum-watchdog] Deactivating receiver."
receiver_failed="spectrum"
return
def check_server():
global spectrum_dsp, server_fail, rtl_thread
if server_fail: return server_fail
#print spectrum_dsp.process.poll()
if spectrum_dsp and spectrum_dsp.process.poll()!=None: server_fail = "spectrum_thread dsp subprocess failed"
#if rtl_thread and not rtl_thread.is_alive(): server_fail = "rtl_thread failed"
if server_fail: print "[openwebrx-check_server] >>>>>>> ERROR:", server_fail
return server_fail
def apply_csdr_cfg_to_dsp(dsp):
dsp.csdr_dynamic_bufsize = cfg.csdr_dynamic_bufsize
dsp.csdr_print_bufsizes = cfg.csdr_print_bufsizes
dsp.csdr_through = cfg.csdr_through
def spectrum_thread_function():
global clients, spectrum_dsp, spectrum_thread_watchdog_last_tick
spectrum_dsp=dsp=csdr.dsp()
dsp.nc_port=cfg.iq_server_port
dsp.set_demodulator("fft")
dsp.set_samp_rate(cfg.samp_rate)
dsp.set_fft_size(cfg.fft_size)
dsp.set_fft_fps(cfg.fft_fps)
dsp.set_fft_averages(int(round(1.0 * cfg.samp_rate / cfg.fft_size / cfg.fft_fps / (1.0 - cfg.fft_voverlap_factor))) if cfg.fft_voverlap_factor>0 else 0)
dsp.set_fft_compression(cfg.fft_compression)
dsp.set_format_conversion(cfg.format_conversion)
apply_csdr_cfg_to_dsp(dsp)
sleep_sec=0.87/cfg.fft_fps
print "[openwebrx-spectrum] Spectrum thread initialized successfully."
dsp.start()
if cfg.csdr_dynamic_bufsize:
dsp.read(8) #dummy read to skip bufsize & preamble
print "[openwebrx-spectrum] Note: CSDR_DYNAMIC_BUFSIZE_ON = 1"
print "[openwebrx-spectrum] Spectrum thread started."
bytes_to_read=int(dsp.get_fft_bytes_to_read())
spectrum_thread_counter=0
while True:
data=dsp.read(bytes_to_read)
#print "gotcha",len(data),"bytes of spectrum data via spectrum_thread_function()"
if spectrum_thread_counter >= cfg.fft_fps:
spectrum_thread_counter=0
spectrum_thread_watchdog_last_tick = time.time() #once every second
else: spectrum_thread_counter+=1
cma("spectrum_thread")
correction=0
for i in range(0,len(clients)):
i-=correction
if (clients[i].ws_started):
if clients[i].spectrum_queue.full():
print "[openwebrx-spectrum] client spectrum queue full, closing it."
close_client(i, False)
correction+=1
else:
clients[i].spectrum_queue.put([data]) # add new string by "reference" to all clients
cmr()
def get_client_by_id(client_id, use_mutex=True):
global clients
output=-1
if use_mutex: cma("get_client_by_id")
for i in range(0,len(clients)):
if(clients[i].id==client_id):
output=i
break
if use_mutex: cmr()
if output==-1:
raise ClientNotFoundException
else:
return output
def log_client(client, what):
print "[openwebrx-httpd] client {0}#{1} :: {2}".format(client.ip,client.id,what)
def cleanup_clients(end_all=False):
# - if a client doesn't open websocket for too long time, we drop it
# - or if end_all is true, we drop all clients
global clients
cma("cleanup_clients")
correction=0
for i in range(0,len(clients)):
i-=correction
#print "cleanup_clients:: len(clients)=", len(clients), "i=", i
if end_all or ((not clients[i].ws_started) and (time.time()-clients[i].gen_time)>45):
if not end_all: print "[openwebrx] cleanup_clients :: client timeout to open WebSocket"
close_client(i, False)
correction+=1
cmr()
def generate_client_id(ip):
#add a client
global clients
new_client=namedtuple("ClientStruct", "id gen_time ws_started sprectum_queue ip closed bcastmsg dsp loopstat")
new_client.id=md5.md5(str(random.random())).hexdigest()
new_client.gen_time=time.time()
new_client.ws_started=False # to check whether client has ever tried to open the websocket
new_client.spectrum_queue=Queue.Queue(1000)
new_client.ip=ip
new_client.bcastmsg=""
new_client.closed=[False] #byref, not exactly sure if required
new_client.dsp=None
cma("generate_client_id")
clients.append(new_client)
log_client(new_client,"client added. Clients now: {0}".format(len(clients)))
cmr()
cleanup_clients()
return new_client.id
def close_client(i, use_mutex=True):
global clients
log_client(clients[i],"client being closed.")
if use_mutex: cma("close_client")
try:
clients[i].dsp.stop()
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
print "[openwebrx] close_client dsp.stop() :: error -",exc_type,exc_value
traceback.print_tb(exc_traceback)
clients[i].closed[0]=True
access_log("Stopped streaming to client: "+clients[i].ip+"#"+str(clients[i].id)+" (users now: "+str(len(clients)-1)+")")
del clients[i]
if use_mutex: cmr()
# http://www.codeproject.com/Articles/462525/Simple-HTTP-Server-and-Client-in-Python
# some ideas are used from the artice above
class WebRXHandler(BaseHTTPRequestHandler):
def proc_read_thread():
pass
def send_302(self,what):
self.send_response(302)
self.send_header('Content-type','text/html')
self.send_header("Location", "http://{0}:{1}/{2}".format(cfg.server_hostname,cfg.web_port,what))
self.end_headers()
self.wfile.write("<html><body><h1>Object moved</h1>Please <a href=\"/{0}\">click here</a> to continue.</body></html>".format(what))
def do_GET(self):
self.connection.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
global dsp_plugin, clients_mutex, clients, avatar_ctime, sw_version, receiver_failed
rootdir = 'htdocs'
self.path=self.path.replace("..","")
path_temp_parts=self.path.split("?")
self.path=path_temp_parts[0]
request_param=path_temp_parts[1] if(len(path_temp_parts)>1) else ""
access_log("GET "+self.path+" from "+self.client_address[0])
try:
if self.path=="/":
self.path="/index.wrx"
# there's even another cool tip at http://stackoverflow.com/questions/4419650/how-to-implement-timeout-in-basehttpserver-basehttprequesthandler-python
#if self.path[:5]=="/lock": cma("do_GET /lock/") # to test mutex_watchdog_thread. Do not uncomment in production environment!
if self.path[:4]=="/ws/":
print "[openwebrx-ws] Client requested WebSocket connection"
if receiver_failed: self.send_error(500,"Internal server error")
try:
# ========= WebSocket handshake =========
ws_success=True
try:
rxws.handshake(self)
cma("do_GET /ws/")
client_i=get_client_by_id(self.path[4:], False)
myclient=clients[client_i]
except rxws.WebSocketException: ws_success=False
except ClientNotFoundException: ws_success=False
finally:
if clients_mutex.locked(): cmr()
if not ws_success:
self.send_error(400, 'Bad request.')
return
# ========= Client handshake =========
if myclient.ws_started:
print "[openwebrx-httpd] error: second WS connection with the same client id, throwing it."
self.send_error(400, 'Bad request.') #client already started
return
rxws.send(self, "CLIENT DE SERVER openwebrx.py")
client_ans=rxws.recv(self, True)
if client_ans[:16]!="SERVER DE CLIENT":
rxws.send("ERR Bad answer.")
return
myclient.ws_started=True
#send default parameters
rxws.send(self, "MSG center_freq={0} bandwidth={1} fft_size={2} fft_fps={3} audio_compression={4} fft_compression={5} max_clients={6} setup".format(str(cfg.shown_center_freq),str(cfg.samp_rate),cfg.fft_size,cfg.fft_fps,cfg.audio_compression,cfg.fft_compression,cfg.max_clients))
# ========= Initialize DSP =========
dsp=csdr.dsp()
dsp_initialized=False
dsp.set_audio_compression(cfg.audio_compression)
dsp.set_fft_compression(cfg.fft_compression) #used by secondary chains
dsp.set_format_conversion(cfg.format_conversion)
dsp.set_offset_freq(0)
dsp.set_bpf(-4000,4000)
dsp.set_secondary_fft_size(cfg.digimodes_fft_size)
dsp.nc_port=cfg.iq_server_port
apply_csdr_cfg_to_dsp(dsp)
myclient.dsp=dsp
do_secondary_demod=False
access_log("Started streaming to client: "+self.client_address[0]+"#"+myclient.id+" (users now: "+str(len(clients))+")")
while True:
myclient.loopstat=0
if myclient.closed[0]:
print "[openwebrx-httpd:ws] client closed by other thread"
break
# ========= send audio =========
if dsp_initialized:
myclient.loopstat=10
temp_audio_data=dsp.read(256)
myclient.loopstat=11
rxws.send(self, temp_audio_data, "AUD ")
# ========= send spectrum =========
while not myclient.spectrum_queue.empty():
myclient.loopstat=20
spectrum_data=myclient.spectrum_queue.get()
#spectrum_data_mid=len(spectrum_data[0])/2
#rxws.send(self, spectrum_data[0][spectrum_data_mid:]+spectrum_data[0][:spectrum_data_mid], "FFT ")
# (it seems GNU Radio exchanges the first and second part of the FFT output, we correct it)
myclient.loopstat=21
rxws.send(self, spectrum_data[0],"FFT ")
# ========= send smeter_level =========
smeter_level=None
while True:
try:
myclient.loopstat=30
smeter_level=dsp.get_smeter_level()
if smeter_level == None: break
except:
break
if smeter_level!=None:
myclient.loopstat=31
rxws.send(self, "MSG s={0}".format(smeter_level))
# ========= send bcastmsg =========
if myclient.bcastmsg!="":
myclient.loopstat=40
rxws.send(self,myclient.bcastmsg)
myclient.bcastmsg=""
# ========= send secondary =========
if do_secondary_demod:
myclient.loopstat=41
while True:
try:
secondary_spectrum_data=dsp.read_secondary_fft(dsp.get_secondary_fft_bytes_to_read())
if len(secondary_spectrum_data) == 0: break
# print "len(secondary_spectrum_data)", len(secondary_spectrum_data) #TODO digimodes
rxws.send(self, secondary_spectrum_data, "FFTS")
except: break
myclient.loopstat=42
while True:
try:
myclient.loopstat=422
secondary_demod_data=dsp.read_secondary_demod(1)
myclient.loopstat=423
if len(secondary_demod_data) == 0: break
# print "len(secondary_demod_data)", len(secondary_demod_data), secondary_demod_data #TODO digimodes
rxws.send(self, secondary_demod_data, "DAT ")
except: break
# ========= process commands =========
while True:
myclient.loopstat=50
rdata=rxws.recv(self, False)
myclient.loopstat=51
#try:
if not rdata: break
elif rdata[:3]=="SET":
print "[openwebrx-httpd:ws,%d] command: %s"%(client_i,rdata)
pairs=rdata[4:].split(" ")
bpf_set=False
new_bpf=dsp.get_bpf()
filter_limit=dsp.get_output_rate()/2
for pair in pairs:
param_name, param_value = pair.split("=")
if param_name == "low_cut" and -filter_limit <= int(param_value) <= filter_limit:
bpf_set=True
new_bpf[0]=int(param_value)
elif param_name == "high_cut" and -filter_limit <= int(param_value) <= filter_limit:
bpf_set=True
new_bpf[1]=int(param_value)
elif param_name == "offset_freq" and -cfg.samp_rate/2 <= int(param_value) <= cfg.samp_rate/2:
myclient.loopstat=510
dsp.set_offset_freq(int(param_value))
elif param_name == "squelch_level" and float(param_value) >= 0:
myclient.loopstat=520
dsp.set_squelch_level(float(param_value))
elif param_name=="mod":
if (dsp.get_demodulator()!=param_value):
myclient.loopstat=530
if dsp_initialized: dsp.stop()
dsp.set_demodulator(param_value)
if dsp_initialized: dsp.start()
elif param_name == "output_rate":
if not dsp_initialized:
myclient.loopstat=540
dsp.set_output_rate(int(param_value))
myclient.loopstat=541
dsp.set_samp_rate(cfg.samp_rate)
elif param_name=="action" and param_value=="start":
if not dsp_initialized:
myclient.loopstat=550
dsp.start()
dsp_initialized=True
elif param_name=="secondary_mod" and cfg.digimodes_enable:
if (dsp.get_secondary_demodulator() != param_value):
if dsp_initialized: dsp.stop()
if param_value == "off":
dsp.set_secondary_demodulator(None)
do_secondary_demod = False
else:
dsp.set_secondary_demodulator(param_value)
do_secondary_demod = True
rxws.send(self, "MSG secondary_fft_size={0} if_samp_rate={1} secondary_bw={2} secondary_setup".format(cfg.digimodes_fft_size, dsp.if_samp_rate(), dsp.secondary_bw()))
if dsp_initialized: dsp.start()
elif param_name=="secondary_offset_freq" and 0 <= int(param_value) <= dsp.if_samp_rate()/2 and cfg.digimodes_enable:
dsp.set_secondary_offset_freq(int(param_value))
else:
print "[openwebrx-httpd:ws] invalid parameter"
if bpf_set:
myclient.loopstat=560
dsp.set_bpf(*new_bpf)
#code.interact(local=locals())
except:
myclient.loopstat=990
exc_type, exc_value, exc_traceback = sys.exc_info()
print "[openwebrx-httpd:ws] exception: ",exc_type,exc_value
traceback.print_tb(exc_traceback) #TODO digimodes
#if exc_value[0]==32: #"broken pipe", client disconnected
# pass
#elif exc_value[0]==11: #"resource unavailable" on recv, client disconnected
# pass
#else:
# print "[openwebrx-httpd] error in /ws/ handler: ",exc_type,exc_value
# traceback.print_tb(exc_traceback)
#stop dsp for the disconnected client
myclient.loopstat=991
try:
dsp.stop()
del dsp
except:
print "[openwebrx-httpd] error in dsp.stop()"
#delete disconnected client
myclient.loopstat=992
try:
cma("do_GET /ws/ delete disconnected")
id_to_close=get_client_by_id(myclient.id,False)
close_client(id_to_close,False)
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
print "[openwebrx-httpd] client cannot be closed: ",exc_type,exc_value
traceback.print_tb(exc_traceback)
finally:
cmr()
myclient.loopstat=1000
return
elif self.path in ("/status", "/status/"):
#self.send_header('Content-type','text/plain')
getbands=lambda: str(int(cfg.shown_center_freq-cfg.samp_rate/2))+"-"+str(int(cfg.shown_center_freq+cfg.samp_rate/2))
self.wfile.write("status="+("inactive" if receiver_failed else "active")+"\nname="+cfg.receiver_name+"\nsdr_hw="+cfg.receiver_device+"\nop_email="+cfg.receiver_admin+"\nbands="+getbands()+"\nusers="+str(len(clients))+"\nusers_max="+str(cfg.max_clients)+"\navatar_ctime="+avatar_ctime+"\ngps="+str(cfg.receiver_gps)+"\nasl="+str(cfg.receiver_asl)+"\nloc="+cfg.receiver_location+"\nsw_version="+sw_version+"\nantenna="+cfg.receiver_ant+"\n")
print "[openwebrx-httpd] GET /status/ from",self.client_address[0]
else:
f=open(rootdir+self.path)
data=f.read()
extension=self.path[(len(self.path)-4):len(self.path)]
extension=extension[2:] if extension[1]=='.' else extension[1:]
checkresult=check_server()
if extension == "wrx" and (checkresult or receiver_failed):
self.send_302("inactive.html")
return
anyStringsPresentInUserAgent=lambda a: reduce(lambda x,y:x or y, map(lambda b:self.headers['user-agent'].count(b), a), False)
if extension == "wrx" and ( (not anyStringsPresentInUserAgent(("Chrome","Firefox","Googlebot","iPhone","iPad","iPod"))) if 'user-agent' in self.headers.keys() else True ) and (not request_param.count("unsupported")):
self.send_302("upgrade.html")
return
if extension == "wrx":
cleanup_clients(False)
if cfg.max_clients<=len(clients):
self.send_302("retry.html")
return
self.send_response(200)
if(("wrx","html","htm").count(extension)):
self.send_header('Content-type','text/html')
elif(extension=="js"):
self.send_header('Content-type','text/javascript')
elif(extension=="css"):
self.send_header('Content-type','text/css')
self.end_headers()
if extension == "wrx":
replace_dictionary=(
("%[RX_PHOTO_DESC]",cfg.photo_desc),
("%[CLIENT_ID]", generate_client_id(self.client_address[0])) if "%[CLIENT_ID]" in data else "",
("%[WS_URL]","ws://"+cfg.server_hostname+":"+str(cfg.web_port)+"/ws/"),
("%[RX_TITLE]",cfg.receiver_name),
("%[RX_LOC]",cfg.receiver_location),
("%[RX_QRA]",cfg.receiver_qra),
("%[RX_ASL]",str(cfg.receiver_asl)),
("%[RX_GPS]",str(cfg.receiver_gps[0])+","+str(cfg.receiver_gps[1])),
("%[RX_PHOTO_HEIGHT]",str(cfg.photo_height)),("%[RX_PHOTO_TITLE]",cfg.photo_title),
("%[RX_ADMIN]",cfg.receiver_admin),
("%[RX_ANT]",cfg.receiver_ant),
("%[RX_DEVICE]",cfg.receiver_device),
("%[AUDIO_BUFSIZE]",str(cfg.client_audio_buffer_size)),
("%[START_OFFSET_FREQ]",str(cfg.start_freq-cfg.center_freq)),
("%[START_MOD]",cfg.start_mod),
("%[WATERFALL_COLORS]",cfg.waterfall_colors),
("%[WATERFALL_MIN_LEVEL]",str(cfg.waterfall_min_level)),
("%[WATERFALL_MAX_LEVEL]",str(cfg.waterfall_max_level)),
("%[WATERFALL_AUTO_LEVEL_MARGIN]","[%d,%d]"%cfg.waterfall_auto_level_margin),
("%[DIGIMODES_ENABLE]",("true" if cfg.digimodes_enable else "false")),
("%[MATHBOX_WATERFALL_FRES]",str(cfg.mathbox_waterfall_frequency_resolution)),
("%[MATHBOX_WATERFALL_THIST]",str(cfg.mathbox_waterfall_history_length)),
("%[MATHBOX_WATERFALL_COLORS]",cfg.mathbox_waterfall_colors)
)
for rule in replace_dictionary:
while data.find(rule[0])!=-1:
data=data.replace(rule[0],rule[1])
self.wfile.write(data)
f.close()
return
except IOError:
self.send_error(404, 'Invalid path.')
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
print "[openwebrx-httpd] error (@outside):", exc_type, exc_value
traceback.print_tb(exc_traceback)
class ClientNotFoundException(Exception):
pass
last_worktime=0
last_idletime=0
def get_cpu_usage():
global last_worktime, last_idletime
try:
f=open("/proc/stat","r")
except:
return 0 #Workaround, possibly we're on a Mac
line=""
while not "cpu " in line: line=f.readline()
f.close()
spl=line.split(" ")
worktime=int(spl[2])+int(spl[3])+int(spl[4])
idletime=int(spl[5])
dworktime=(worktime-last_worktime)
didletime=(idletime-last_idletime)
rate=float(dworktime)/(didletime+dworktime)
last_worktime=worktime
last_idletime=idletime
if(last_worktime==0): return 0
return rate
if __name__=="__main__":
if __name__ == "__main__":
main()

45
server.py
View File

@ -1,45 +0,0 @@
from http.server import HTTPServer
from owrx.http import RequestHandler
from owrx.config import PropertyManager, FeatureDetector
from owrx.source import SdrService
from socketserver import ThreadingMixIn
import logging
logging.basicConfig(level = logging.DEBUG, format = "%(asctime)s - %(name)s - %(levelname)s - %(message)s")
class ThreadedHttpServer(ThreadingMixIn, HTTPServer):
pass
def main():
print()
print("OpenWebRX - Open Source SDR Web App for Everyone! | for license see LICENSE file in the package")
print("_________________________________________________________________________________________________")
print()
print("Author contact info: Andras Retzler, HA7ILM <randras@sdr.hu>")
print()
cfg = __import__("config_webrx")
pm = PropertyManager.getSharedInstance()
for name, value in cfg.__dict__.items():
if name.startswith("__"):
continue
pm[name] = value
featureDetector = FeatureDetector()
if not featureDetector.is_available("core"):
print("you are missing required dependencies to run openwebrx. "
"please check that the following core requirements are installed:")
print(", ".join(featureDetector.get_requirements("core")))
return
# Get error messages about unknown / unavailable features as soon as possible
SdrService.loadProps()
server = ThreadedHttpServer(('0.0.0.0', pm.getPropertyValue("web_port")), RequestHandler)
server.serve_forever()
if __name__ == "__main__":
main()