def worker(name,rtsp_url,coordinates,stopworker):
#Ctrl-C handling
def signal_sigint_handler(signum,frame):
logger.info("Ctrl C was pressed")
stopworker.value = True
def signal_sigterm_handler(signum,frame):
logger.info("This process was sigtermed")
stopworker.value = True
signal.signal(signal.SIGINT, signal_sigint_handler)
signal.signal(signal.SIGTERM, signal_sigterm_handler)
#Logger setup
logger = setup_logging( "logs/" + name + ".log",__name__)
logger.debug("logger from " + name)
#Start stream and watchdog
attempts=0
proc=start_subprocess(rtsp_url,coordinates)
while attempts < 1000 and stopworker.value == False:
if proc.poll() != None:
proc=start_subprocess(rtsp_url,coordinates)
attempts = attempts + 1
#Wait for omxplayer to crash, or not
time.sleep(10)
logger.info("Trying to restart" + name +" attempts:" + str(attempts))
else:
attempts=0
time.sleep(5)
#If we come to this point, we are instructed to kill this stream
stop_subprocess(proc)
logger.info("This stream has been stopped")
def worker(name,rtsp_url,omxplayer_extra_options,coordinates,stopworker):
def start_subprocess(rtsp_url,coordinates):
command_line='/usr/bin/omxplayer --live --timeout 60 --aidx -1 -o hdmi' + ' ' + omxplayer_extra_options + ' ' + rtsp_url + ' --win ' + '"' + " ".join(map(str,coordinates)) + '"'
command_line_shlex=shlex.split(command_line)
logger.debug("Starting stream " + name + " with commandline " + str(command_line_shlex))
#The other process is just to be able to develop/simulate on a Windows or OSX machine
if platform.system() == "Windows":
proc=subprocess.Popen('echo this is a subprocess started with coordinates ' + str(coordinates) + '& ping 192.168.0.160 /t >NUL', shell=True)
elif platform.system() == "Linux":
proc=subprocess.Popen(command_line_shlex,preexec_fn=os.setsid,stdin=subprocess.PIPE)
else:
proc=subprocess.Popen('echo this is a subprocess started with coordinates ' + str(coordinates), shell=True)
return proc
def stop_subprocess(proc):
#The other process is just to be able to develop on a Windows or OSX machine
if platform.system() == "Windows":
proc.kill()
else:
#This kill the process group so including all children
os.killpg(os.getpgid(proc.pid), signal.SIGKILL)
proc.wait()
#Ctrl-C handling
def signal_sigint_handler(signum,frame):
logger.info("Ctrl C was pressed")
stopworker.value = True
def signal_sigterm_handler(signum,frame):
logger.info("This process was sigtermed")
stopworker.value = True
signal.signal(signal.SIGINT, signal_sigint_handler)
signal.signal(signal.SIGTERM, signal_sigterm_handler)
#Logger setup
logger = setup_logging( "logs/" + name + ".log",__name__)
logger.debug("logger from " + name)
#Start stream and watchdog
attempts=0
proc=start_subprocess(rtsp_url,coordinates)
while attempts < 100000 and stopworker.value == False:
if proc.poll() != None:
proc.communicate(input="\n")
proc=start_subprocess(rtsp_url,coordinates)
attempts = attempts + 1
#Wait for omxplayer to crash, or not
time.sleep(10)
logger.info("Trying to restart" + name +" attempts:" + str(attempts))
else:
attempts=0
time.sleep(5)
#If we come to this point, we are instructed to kill this stream
stop_subprocess(proc)
logger.info("This stream has been stopped")
def send_stats(version, uniqid, runtime):
#Because this is run as a subprocess we need to start logging again
logger_send_stats = setup_logging(logfilepath="logs/send_stats.log",
loggername="send_stats")
destination = "https://statscollector.rpisurv.net"
#SSL options
context = ssl.create_default_context(
purpose=ssl.Purpose.SERVER_AUTH,
cafile="core/util/statscollector.rpisurv.net.pem")
#Force TLS higher then 1.1
context.options |= ssl.OP_NO_SSLv2
context.options |= ssl.OP_NO_SSLv3
context.options |= ssl.OP_NO_TLSv1
context.options |= ssl.OP_NO_TLSv1_1
#Normally this has been set by ssl.Purpose.SERVER_AUTH but for safety in future explicitly set CERT_REQUIRED
context.verify_mode = ssl.CERT_REQUIRED
httpshandler = urllib2.HTTPSHandler(context=context)
opener = urllib2.build_opener(httpshandler)
opener.addheaders = [('User-Agent', uniqid), ('Pragma', 'no-cache'),
('Cache-Control', 'no-cache')]
#Extra info will be send via cookie headers
opener.addheaders.append(
('Cookie', 'runtime=' + runtime + ';reservedkey=reservedvalue'))
opener.addheaders.append(
('Cookie', 'runtime=' + runtime + ';version=' + str(version)))
urllib2.install_opener(opener)
f = opener.open("http://httpbin.org/cookies")
logger_send_stats.debug("Start sending uniqid " + uniqid + ", runtime " +
runtime + ", version " + str(version) + " to " +
destination +
" for updating stats rpisurv community")
try:
response = opener.open(destination, timeout=20)
except urllib2.HTTPError, e:
logger_send_stats.error(
"There was an error connecting to the statistics server at " +
destination + ". Failed with code " + str(e.code))
def send_stats(uniqid,runtime):
#Because this is run as a subprocess we need to start logging again
logger_send_stats = setup_logging(logfilepath="logs/send_stats.log",loggername="send_stats")
destination="http://statscollector.rpisurv.net"
opener = urllib2.build_opener()
opener.addheaders=[
('User-Agent', uniqid),
('Pragma', 'no-cache'),
('Cache-Control', 'no-cache')
]
#Extra info will be send via cookie headers
#opener.addheaders.append(('Cookie', 'runtime='+ runtime + ';reservedkey=reservedvalue'))
opener.addheaders.append(('Cookie', 'runtime='+ runtime ))
#f = opener.open("http://httpbin.org/cookies")
logger_send_stats.debug("Start sending uniqid " + uniqid + " and runtime " + runtime + " to " + destination + " for updating stats rpisurv community")
try:
response = opener.open(destination, timeout=20)
except urllib2.HTTPError, e:
logger_send_stats.error("There was an error connecting to the statistics server at " + destination + ". Failed with code " + str(e.code))
def worker(name, rtsp_url, coordinates, stopworker):
#Ctrl-C handling
def signal_sigint_handler(signum, frame):
logger.info("Ctrl C was pressed")
stopworker.value = True
def signal_sigterm_handler(signum, frame):
logger.info("This process was sigtermed")
stopworker.value = True
signal.signal(signal.SIGINT, signal_sigint_handler)
signal.signal(signal.SIGTERM, signal_sigterm_handler)
#Logger setup
logger = setup_logging("logs/" + name + ".log", __name__)
logger.debug("logger from " + name)
#Start stream and watchdog
attempts = 0
proc = start_subprocess(rtsp_url, coordinates)
while attempts < 1000 and stopworker.value == False:
if proc.poll() != None:
proc = start_subprocess(rtsp_url, coordinates)
attempts = attempts + 1
#Wait for omxplayer to crash, or not
time.sleep(10)
logger.info("Trying to restart" + name + " attempts:" +
str(attempts))
else:
attempts = 0
time.sleep(5)
#If we come to this point, we are instructed to kill this stream
stop_subprocess(proc)
logger.info("This stream has been stopped")
def send_stats(uniqid, runtime):
#Because this is run as a subprocess we need to start logging again
logger_send_stats = setup_logging(logfilepath="logs/send_stats.log",
loggername="send_stats")
destination = "http://statscollector.rpisurv.net"
opener = urllib2.build_opener()
opener.addheaders = [('User-Agent', uniqid), ('Pragma', 'no-cache'),
('Cache-Control', 'no-cache')]
#Extra info will be send via cookie headers
#opener.addheaders.append(('Cookie', 'runtime='+ runtime + ';reservedkey=reservedvalue'))
opener.addheaders.append(('Cookie', 'runtime=' + runtime))
#f = opener.open("http://httpbin.org/cookies")
logger_send_stats.debug("Start sending uniqid " + uniqid +
" and runtime " + runtime + " to " + destination +
" for updating stats rpisurv community")
try:
response = opener.open(destination, timeout=20)
except urllib2.HTTPError, e:
logger_send_stats.error(
"There was an error connecting to the statistics server at " +
destination + ". Failed with code " + str(e.code))
for cam_stream_to_stop in cam_streams_to_stop:
cam_stream_to_stop.stop_stream()
sys.exit(0)
def sigterm_handler(_signo, _stack_frame):
draw.destroy()
sys.exit(0)
if __name__ == '__main__':
signal.signal(signal.SIGTERM, sigterm_handler)
#Setup logger
logger = setup_logging()
#Read in config
resolution = set_resolution()
nr_of_columns = cfg['essentials'][
'nr_of_columns'] #Max amount of columns per row
keep_first_screen_layout = cfg['essentials'][
'keep_first_screen_layout'] if 'keep_first_screen_layout' in cfg[
"essentials"] else False
autostretch = cfg['essentials']['autostretch'] if 'autostretch' in cfg[
"essentials"] else False
if type(cfg["advanced"]) is dict:
fixed_width = cfg['advanced']['fixed_width'] if 'fixed_width' in cfg[
"advanced"] else None #Override of autocalculation width if set
fixed_height = cfg['advanced']['fixed_height'] if 'fixed_height' in cfg[
logger.error("Can not find or run the fbset binary to autodetect the resolution")
autodetect_resolution=None
else:
regex_result=re.search("geometry (\d+) (\d+)",fbsetresult)
autodetect_resolution=[regex_result.group(1),regex_result.group(2)]
logger.debug("autodetected resolution of" + str(autodetect_resolution))
if autodetect_resolution is None:
resolution=[cfg['fallbacks']['resolution']['width'],cfg['fallbacks']['resolution']['height']]
else:
resolution=autodetect_resolution
return resolution
if __name__ == '__main__':
logger = setup_logging()
#Read in config
rtsp_urls=cfg['essentials']['rtsp_urls']
resolution=set_resolution()
nr_of_columns=cfg['essentials']['nr_of_columns'] #Max amount of columns per row
#Setup logger
logger.debug("nr_of_columns = " + nr_of_columns)
#Setup all camerastream instances
all_camera_streams=setup_camera_streams(rtsp_urls)
#Start main
previous_connectable_camera_streams=[]
while True:
def worker(name, rtsp_url, omxplayer_extra_options, coordinates, stopworker):
def start_subprocess(rtsp_url, coordinates):
command_line = '/usr/bin/omxplayer --live --timeout 60 --aidx -1 -o hdmi' + ' ' + omxplayer_extra_options + ' ' + rtsp_url + ' --win ' + '"' + " ".join(
map(str, coordinates)) + '"'
command_line_shlex = shlex.split(command_line)
logger.debug("Starting stream " + name + " with commandline " +
str(command_line_shlex))
#The other process is just to be able to develop/simulate on a Windows or OSX machine
if platform.system() == "Windows":
proc = subprocess.Popen(
'echo this is a subprocess started with coordinates ' +
str(coordinates) + '& ping 192.168.0.160 /t >NUL',
shell=True)
elif platform.system() == "Linux":
proc = subprocess.Popen(command_line_shlex,
preexec_fn=os.setsid,
stdin=subprocess.PIPE)
else:
proc = subprocess.Popen(
'echo this is a subprocess started with coordinates ' +
str(coordinates),
shell=True)
return proc
def stop_subprocess(proc):
#The other process is just to be able to develop on a Windows or OSX machine
if platform.system() == "Windows":
proc.kill()
else:
#This kill the process group so including all children
os.killpg(os.getpgid(proc.pid), signal.SIGKILL)
proc.wait()
#Ctrl-C handling
def signal_sigint_handler(signum, frame):
logger.info("Ctrl C was pressed")
stopworker.value = True
def signal_sigterm_handler(signum, frame):
logger.info("This process was sigtermed")
stopworker.value = True
signal.signal(signal.SIGINT, signal_sigint_handler)
signal.signal(signal.SIGTERM, signal_sigterm_handler)
#Logger setup
logger = setup_logging("logs/" + name + ".log", __name__)
logger.debug("logger from " + name)
#Start stream and watchdog
attempts = 0
proc = start_subprocess(rtsp_url, coordinates)
while attempts < 100000 and stopworker.value == False:
if proc.poll() != None:
proc.communicate(input="\n")
proc = start_subprocess(rtsp_url, coordinates)
attempts = attempts + 1
#Wait for omxplayer to crash, or not
time.sleep(10)
logger.info("Trying to restart" + name + " attempts:" +
str(attempts))
else:
attempts = 0
time.sleep(5)
#If we come to this point, we are instructed to kill this stream
stop_subprocess(proc)
logger.info("This stream has been stopped")
