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Retabbed anything else in python

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ha7ilm 2017-05-02 15:17:50 +02:00
parent 2b11e0f94a
commit 9e8f8e986d
4 changed files with 689 additions and 690 deletions
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24
config_webrx.py
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@ -3,9 +3,9 @@
""" """
config_webrx: configuration options for OpenWebRX config_webrx: configuration options for OpenWebRX
This file is part of OpenWebRX, This file is part of OpenWebRX,
an open-source SDR receiver software with a web UI. an open-source SDR receiver software with a web UI.
Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu> Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as it under the terms of the GNU Affero General Public License as
@ -20,15 +20,15 @@ config_webrx: configuration options for OpenWebRX
You should have received a copy of the GNU Affero General Public License 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/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
In addition, as a special exception, the copyright holders In addition, as a special exception, the copyright holders
state that config_rtl.py and config_webrx.py are not part of the state that config_rtl.py and config_webrx.py are not part of the
Corresponding Source defined in GNU AGPL version 3 section 1. Corresponding Source defined in GNU AGPL version 3 section 1.
(It means that you do not have to redistribute config_rtl.py and (It means that you do not have to redistribute config_rtl.py and
config_webrx.py if you make any changes to these two configuration files, config_webrx.py if you make any changes to these two configuration files,
and use them for running your web service with OpenWebRX.) and use them for running your web service with OpenWebRX.)
""" """
# NOTE: you can find additional information about configuring OpenWebRX in the Wiki: # NOTE: you can find additional information about configuring OpenWebRX in the Wiki:
@ -181,8 +181,8 @@ waterfall_auto_level_margin = (5, 40)
##For the old colors, you might also want to set [fft_voverlap_factor] to 0. ##For the old colors, you might also want to set [fft_voverlap_factor] to 0.
#Note: When the auto waterfall level button is clicked, the following happens: #Note: When the auto waterfall level button is clicked, the following happens:
# [waterfall_min_level] = [current_min_power_level] - [waterfall_auto_level_margin[0]] # [waterfall_min_level] = [current_min_power_level] - [waterfall_auto_level_margin[0]]
# [waterfall_max_level] = [current_max_power_level] + [waterfall_auto_level_margin[1]] # [waterfall_max_level] = [current_max_power_level] + [waterfall_auto_level_margin[1]]
# #
# ___|____________________________________|____________________________________|____________________________________|___> signal power # ___|____________________________________|____________________________________|____________________________________|___> signal power
# \_waterfall_auto_level_margin[0]_/ |__ current_min_power_level | \_waterfall_auto_level_margin[1]_/ # \_waterfall_auto_level_margin[0]_/ |__ current_min_power_level | \_waterfall_auto_level_margin[1]_/

1068
openwebrx.py
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230
rxws.py
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@ -1,9 +1,9 @@
""" """
rxws: WebSocket methods implemented for OpenWebRX rxws: WebSocket methods implemented for OpenWebRX
This file is part of OpenWebRX, This file is part of OpenWebRX,
an open-source SDR receiver software with a web UI. an open-source SDR receiver software with a web UI.
Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu> Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as it under the terms of the GNU Affero General Public License as
@ -26,110 +26,110 @@ import select
import code import code
class WebSocketException(Exception): class WebSocketException(Exception):
pass pass
def handshake(myself): def handshake(myself):
my_client_id=myself.path[4:] my_client_id=myself.path[4:]
my_headers=myself.headers.items() my_headers=myself.headers.items()
my_header_keys=map(lambda x:x[0],my_headers) my_header_keys=map(lambda x:x[0],my_headers)
h_key_exists=lambda x:my_header_keys.count(x) h_key_exists=lambda x:my_header_keys.count(x)
h_value=lambda x:my_headers[my_header_keys.index(x)][1] h_value=lambda x:my_headers[my_header_keys.index(x)][1]
#print "The Lambdas(tm)" #print "The Lambdas(tm)"
#print h_key_exists("upgrade") #print h_key_exists("upgrade")
#print h_value("upgrade") #print h_value("upgrade")
#print h_key_exists("sec-websocket-key") #print h_key_exists("sec-websocket-key")
if (not h_key_exists("upgrade")) or not (h_value("upgrade")=="websocket") or (not h_key_exists("sec-websocket-key")): if (not h_key_exists("upgrade")) or not (h_value("upgrade")=="websocket") or (not h_key_exists("sec-websocket-key")):
raise WebSocketException raise WebSocketException
ws_key=h_value("sec-websocket-key") ws_key=h_value("sec-websocket-key")
ws_key_toreturn=base64.b64encode(sha.new(ws_key+"258EAFA5-E914-47DA-95CA-C5AB0DC85B11").digest()) ws_key_toreturn=base64.b64encode(sha.new(ws_key+"258EAFA5-E914-47DA-95CA-C5AB0DC85B11").digest())
#A sample list of keys we get: [('origin', 'http://localhost:8073'), ('upgrade', 'websocket'), ('sec-websocket-extensions', 'x-webkit-deflate-frame'), ('sec-websocket-version', '13'), ('host', 'localhost:8073'), ('sec-websocket-key', 't9J1rgy4fc9fg2Hshhnkmg=='), ('connection', 'Upgrade'), ('pragma', 'no-cache'), ('cache-control', 'no-cache')] #A sample list of keys we get: [('origin', 'http://localhost:8073'), ('upgrade', 'websocket'), ('sec-websocket-extensions', 'x-webkit-deflate-frame'), ('sec-websocket-version', '13'), ('host', 'localhost:8073'), ('sec-websocket-key', 't9J1rgy4fc9fg2Hshhnkmg=='), ('connection', 'Upgrade'), ('pragma', 'no-cache'), ('cache-control', 'no-cache')]
myself.wfile.write("HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "+ws_key_toreturn+"\r\nCQ-CQ-de: HA5KFU\r\n\r\n") myself.wfile.write("HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "+ws_key_toreturn+"\r\nCQ-CQ-de: HA5KFU\r\n\r\n")
def get_header(size): def get_header(size):
#this does something similar: https://github.com/lemmingzshadow/php-websocket/blob/master/server/lib/WebSocket/Connection.php #this does something similar: https://github.com/lemmingzshadow/php-websocket/blob/master/server/lib/WebSocket/Connection.php
ws_first_byte=0b10000010 # FIN=1, OP=2 ws_first_byte=0b10000010 # FIN=1, OP=2
if(size>125): if(size>125):
ws_second_byte=126 # The following two bytes will indicate frame size ws_second_byte=126 # The following two bytes will indicate frame size
extended_size=chr((size>>8)&0xff)+chr(size&0xff) #Okay, it uses reverse byte order (little-endian) compared to anything else sent on TCP extended_size=chr((size>>8)&0xff)+chr(size&0xff) #Okay, it uses reverse byte order (little-endian) compared to anything else sent on TCP
else: else:
ws_second_byte=size ws_second_byte=size
#256 bytes binary message in a single unmasked frame | 0x82 0x7E 0x0100 [256 bytes of binary data] #256 bytes binary message in a single unmasked frame | 0x82 0x7E 0x0100 [256 bytes of binary data]
extended_size="" extended_size=""
return chr(ws_first_byte)+chr(ws_second_byte)+extended_size return chr(ws_first_byte)+chr(ws_second_byte)+extended_size
def code_payload(data, masking_key=""): def code_payload(data, masking_key=""):
# both encode or decode # both encode or decode
if masking_key=="": if masking_key=="":
key = (61, 84, 35, 6) key = (61, 84, 35, 6)
else: else:
key = [ord(i) for i in masking_key] key = [ord(i) for i in masking_key]
encoded="" encoded=""
for i in range(0,len(data)): for i in range(0,len(data)):
encoded+=chr(ord(data[i])^key[i%4]) encoded+=chr(ord(data[i])^key[i%4])
return encoded return encoded
def xxdg(data): def xxdg(data):
output="" output=""
for i in range(0,len(data)/8): for i in range(0,len(data)/8):
output+=xxd(data[i:i+8]) output+=xxd(data[i:i+8])
if i%2: output+="\n" if i%2: output+="\n"
else: output+=" " else: output+=" "
return output return output
def xxd(data): def xxd(data):
#diagnostic purposes only #diagnostic purposes only
output="" output=""
for d in data: for d in data:
output+=hex(ord(d))[2:].zfill(2)+" " output+=hex(ord(d))[2:].zfill(2)+" "
return output return output
#for R/W the WebSocket, use recv/send #for R/W the WebSocket, use recv/send
#for reading the TCP socket, use readsock #for reading the TCP socket, use readsock
#for writing the TCP socket, use myself.wfile.write and flush #for writing the TCP socket, use myself.wfile.write and flush
def readsock(myself,size,blocking): def readsock(myself,size,blocking):
#http://thenestofheliopolis.blogspot.hu/2011/01/how-to-implement-non-blocking-two-way.html #http://thenestofheliopolis.blogspot.hu/2011/01/how-to-implement-non-blocking-two-way.html
if blocking: if blocking:
return myself.rfile.read(size) return myself.rfile.read(size)
else: else:
poll = select.poll() poll = select.poll()
poll.register(myself.rfile.fileno(), select.POLLIN or select.POLLPRI) poll.register(myself.rfile.fileno(), select.POLLIN or select.POLLPRI)
fd = poll.poll(0) #timeout is 0 fd = poll.poll(0) #timeout is 0
if len(fd): if len(fd):
f = fd[0] f = fd[0]
if f[1] > 0: if f[1] > 0:
return myself.rfile.read(size) return myself.rfile.read(size)
return "" return ""
def recv(myself, blocking=False, debug=False): def recv(myself, blocking=False, debug=False):
bufsize=70000 bufsize=70000
#myself.connection.setblocking(blocking) #umm... we cannot do that with rfile #myself.connection.setblocking(blocking) #umm... we cannot do that with rfile
if debug: print "ws_recv begin" if debug: print "ws_recv begin"
try: try:
data=readsock(myself,6,blocking) data=readsock(myself,6,blocking)
#print "rxws.recv bytes:",xxd(data) #print "rxws.recv bytes:",xxd(data)
except: except:
if debug: print "ws_recv error" if debug: print "ws_recv error"
return "" return ""
if debug: print "ws_recv recved" if debug: print "ws_recv recved"
if(len(data)==0): return "" if(len(data)==0): return ""
fin=ord(data[0])&128!=0 fin=ord(data[0])&128!=0
is_text_frame=ord(data[0])&15==1 is_text_frame=ord(data[0])&15==1
length=ord(data[1])&0x7f length=ord(data[1])&0x7f
data+=readsock(myself,length,blocking) data+=readsock(myself,length,blocking)
#print "rxws.recv length is ",length," (multiple packets together?) len(data) =",len(data) #print "rxws.recv length is ",length," (multiple packets together?) len(data) =",len(data)
has_one_byte_length=length<125 has_one_byte_length=length<125
masked=ord(data[1])&0x80!=0 masked=ord(data[1])&0x80!=0
#print "len=", length, len(data)-2 #print "len=", length, len(data)-2
#print "fin, is_text_frame, has_one_byte_length, masked = ", (fin, is_text_frame, has_one_byte_length, masked) #print "fin, is_text_frame, has_one_byte_length, masked = ", (fin, is_text_frame, has_one_byte_length, masked)
#print xxd(data) #print xxd(data)
if fin and is_text_frame and has_one_byte_length: if fin and is_text_frame and has_one_byte_length:
if masked: if masked:
return code_payload(data[6:], data[2:6]) return code_payload(data[6:], data[2:6])
else: else:
return data[2:] return data[2:]
#Useful links for ideas on WebSockets: #Useful links for ideas on WebSockets:
# http://stackoverflow.com/questions/8125507/how-can-i-send-and-receive-websocket-messages-on-the-server-side # http://stackoverflow.com/questions/8125507/how-can-i-send-and-receive-websocket-messages-on-the-server-side
@ -138,34 +138,34 @@ def recv(myself, blocking=False, debug=False):
def flush(myself): def flush(myself):
myself.wfile.flush() myself.wfile.flush()
#or the socket, not the rfile: #or the socket, not the rfile:
#lR,lW,lX = select.select([],[myself.connection,],[],60) #lR,lW,lX = select.select([],[myself.connection,],[],60)
def send(myself, data, begin_id="", debug=0): def send(myself, data, begin_id="", debug=0):
base_frame_size=35000 #could guess by MTU? base_frame_size=35000 #could guess by MTU?
debug=0 debug=0
#try: #try:
while True: while True:
counter=0 counter=0
from_end=len(data)-counter from_end=len(data)-counter
if from_end+len(begin_id)>base_frame_size: if from_end+len(begin_id)>base_frame_size:
data_to_send=begin_id+data[counter:counter+base_frame_size-len(begin_id)] data_to_send=begin_id+data[counter:counter+base_frame_size-len(begin_id)]
header=get_header(len(data_to_send)) header=get_header(len(data_to_send))
flush(myself) flush(myself)
myself.wfile.write(header+data_to_send) myself.wfile.write(header+data_to_send)
flush(myself) flush(myself)
if debug: print "rxws.send ==================== #1 if branch :: from={0} to={1} dlen={2} hlen={3}".format(counter,counter+base_frame_size-len(begin_id),len(data_to_send),len(header)) if debug: print "rxws.send ==================== #1 if branch :: from={0} to={1} dlen={2} hlen={3}".format(counter,counter+base_frame_size-len(begin_id),len(data_to_send),len(header))
else: else:
data_to_send=begin_id+data[counter:] data_to_send=begin_id+data[counter:]
header=get_header(len(data_to_send)) header=get_header(len(data_to_send))
flush(myself) flush(myself)
myself.wfile.write(header+data_to_send) myself.wfile.write(header+data_to_send)
flush(myself) flush(myself)
if debug: print "rxws.send :: #2 else branch :: dlen={0} hlen={1}".format(len(data_to_send),len(header)) if debug: print "rxws.send :: #2 else branch :: dlen={0} hlen={1}".format(len(data_to_send),len(header))
#if debug: print "header:\n"+xxdg(header)+"\n\nws data:\n"+xxdg(data_to_send) #if debug: print "header:\n"+xxdg(header)+"\n\nws data:\n"+xxdg(data_to_send)
break break
counter+=base_frame_size-len(begin_id) counter+=base_frame_size-len(begin_id)
#except: #except:
# pass # pass

51
sdrhu.py
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@ -1,9 +1,9 @@
#!/usr/bin/python2 #!/usr/bin/python2
""" """
This file is part of OpenWebRX, This file is part of OpenWebRX,
an open-source SDR receiver software with a web UI. an open-source SDR receiver software with a web UI.
Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu> Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as it under the terms of the GNU Affero General Public License as
@ -23,29 +23,28 @@
import config_webrx as cfg, time, subprocess import config_webrx as cfg, time, subprocess
def run(continuously=True): def run(continuously=True):
if not cfg.sdrhu_key: return if not cfg.sdrhu_key: return
firsttime="(Your receiver is soon getting listed on sdr.hu!)" firsttime="(Your receiver is soon getting listed on sdr.hu!)"
while True: while True:
cmd = "wget --timeout=15 -qO- http://sdr.hu/update --post-data \"url=http://"+cfg.server_hostname+":"+str(cfg.web_port)+"&apikey="+cfg.sdrhu_key+"\" 2>&1" cmd = "wget --timeout=15 -qO- http://sdr.hu/update --post-data \"url=http://"+cfg.server_hostname+":"+str(cfg.web_port)+"&apikey="+cfg.sdrhu_key+"\" 2>&1"
#print "[openwebrx-sdrhu]", cmd #print "[openwebrx-sdrhu]", cmd
returned=subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).communicate() returned=subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).communicate()
returned=returned[0] returned=returned[0]
#print returned #print returned
if "UPDATE:" in returned: if "UPDATE:" in returned:
retrytime_mins = 20 retrytime_mins = 20
value=returned.split("UPDATE:")[1].split("\n",1)[0] value=returned.split("UPDATE:")[1].split("\n",1)[0]
if value.startswith("SUCCESS"): if value.startswith("SUCCESS"):
print "[openwebrx-sdrhu] Update succeeded! "+firsttime print "[openwebrx-sdrhu] Update succeeded! "+firsttime
firsttime="" firsttime=""
else: else:
print "[openwebrx-sdrhu] Update failed, your receiver cannot be listed on sdr.hu! Reason:", value print "[openwebrx-sdrhu] Update failed, your receiver cannot be listed on sdr.hu! Reason:", value
else: else:
retrytime_mins = 2 retrytime_mins = 2
print "[openwebrx-sdrhu] wget failed while updating, your receiver cannot be listed on sdr.hu!" print "[openwebrx-sdrhu] wget failed while updating, your receiver cannot be listed on sdr.hu!"
if not continuously: break if not continuously: break
time.sleep(60*retrytime_mins) time.sleep(60*retrytime_mins)
if __name__=="__main__": if __name__=="__main__":
run(False) run(False)