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/":
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 = getattr(plugins.dsp,
cfg.dsp_plugin).plugin.dsp_plugin()
dsp_initialized = False
dsp.set_audio_compression(cfg.audio_compression)
dsp.set_format_conversion(cfg.format_conversion)
dsp.set_offset_freq(0)
dsp.set_bpf(-4000, 4000)
dsp.nc_port = cfg.iq_server_port
apply_csdr_cfg_to_dsp(dsp)
myclient.dsp = dsp
access_log("Started streaming to client: " +
self.client_address[0] + "#" + myclient.id +
" (users now: " + str(len(clients)) + ")")
myclient.loopstat = 0
while True:
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 = ""
# ========= process commands =========
while True:
myclient.loopstat = 50
rdata = rxws.recv(self, False)
if not rdata:
break
#try:
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 <= float(
param_value) <= filter_limit:
bpf_set = True
new_bpf[0] = int(param_value)
elif param_name == "high_cut" and -filter_limit <= float(
param_value) <= filter_limit:
bpf_set = True
new_bpf[1] = int(param_value)
elif param_name == "offset_freq" and -cfg.samp_rate / 2 <= float(
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
else:
print "[openwebrx-httpd:ws] invalid parameter"
if bpf_set:
myclient.loopstat = 560
dsp.set_bpf(*new_bpf)
#code.interact(local=locals())
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
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
try:
dsp.stop()
del dsp
except:
print "[openwebrx-httpd] error in dsp.stop()"
#delete disconnected client
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)))
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)
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/":
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=getattr(plugins.dsp,cfg.dsp_plugin).plugin.dsp_plugin()
dsp_initialized=False
dsp.set_audio_compression(cfg.audio_compression)
dsp.set_format_conversion(cfg.format_conversion)
dsp.set_offset_freq(0)
dsp.set_bpf(-4000,4000)
dsp.nc_port=cfg.iq_server_port
apply_csdr_cfg_to_dsp(dsp)
myclient.dsp=dsp
access_log("Started streaming to client: "+self.client_address[0]+"#"+myclient.id+" (users now: "+str(len(clients))+")")
while True:
if myclient.closed[0]:
print "[openwebrx-httpd:ws] client closed by other thread"
break
# ========= send audio =========
if dsp_initialized:
temp_audio_data=dsp.read(256)
rxws.send(self, temp_audio_data, "AUD ")
# ========= send spectrum =========
while not myclient.spectrum_queue.empty():
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)
rxws.send(self, spectrum_data[0],"FFT ")
# ========= send smeter_level =========
smeter_level=None
while True:
try:
smeter_level=dsp.get_smeter_level()
if smeter_level == None: break
except:
break
if smeter_level!=None: rxws.send(self, "MSG s={0}".format(smeter_level))
# ========= send bcastmsg =========
if myclient.bcastmsg!="":
rxws.send(self,myclient.bcastmsg)
myclient.bcastmsg=""
# ========= process commands =========
while True:
rdata=rxws.recv(self, False)
if not rdata: break
#try:
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 <= float(param_value) <= filter_limit:
bpf_set=True
new_bpf[0]=int(param_value)
elif param_name == "high_cut" and -filter_limit <= float(param_value) <= filter_limit:
bpf_set=True
new_bpf[1]=int(param_value)
elif param_name == "offset_freq" and -cfg.samp_rate/2 <= float(param_value) <= cfg.samp_rate/2:
dsp.set_offset_freq(int(param_value))
elif param_name == "squelch_level" and float(param_value) >= 0:
dsp.set_squelch_level(float(param_value))
elif param_name=="mod":
if (dsp.get_demodulator()!=param_value):
if dsp_initialized: dsp.stop()
dsp.set_demodulator(param_value)
if dsp_initialized: dsp.start()
elif param_name == "output_rate":
if not dsp_initialized:
dsp.set_output_rate(int(param_value))
dsp.set_samp_rate(cfg.samp_rate)
elif param_name=="action" and param_value=="start":
if not dsp_initialized:
dsp.start()
dsp_initialized=True
else:
print "[openwebrx-httpd:ws] invalid parameter"
if bpf_set:
dsp.set_bpf(*new_bpf)
#code.interact(local=locals())
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
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
try:
dsp.stop()
del dsp
except:
print "[openwebrx-httpd] error in dsp.stop()"
#delete disconnected client
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()
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" and len(clients)==0 and powerstate==0:
poweron()
self.send_302("poweron.html")
return
if extension == "wrx" and cfg.max_clients<=len(clients):
self.send_302("retry.html")
return
if extension == "wrx": cleanup_clients()
if extension == "wrx" and cfg.max_clients<=len(clients):
self.send_response(302) #backported max_clients fix
self.send_header('Content-type','text/html')
self.send_header("Location", "http://{0}:{1}/retry.html".format(cfg.server_hostname,cfg.web_port))
self.end_headers()
self.wfile.write("<html><body><h1>Object moved</h1>Please <a href=\"/retry.html\">click here</a> to continue.</body></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))
)
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)