def get(self):
url = options.curr_url
quality = options.curr_quality
if url and quality:
yield options.stop_stream()
res, msg = yield options.start_stream(url, quality)
if res:
logger.info("Restarted stream via REST")
self.write({
"status": "restarted",
"url": url
})
else:
logger.error("Error restarting stream via REST")
self.set_status(500)
self.write({
"status": "error",
"msg": msg
})
else:
logger.warning("Could not restart stream because no url is set.")
self.set_status(400)
self.write({
"status": "error",
"msg": "no url currently set"
})
def get(self):
url = str(self.get_query_argument("url"))
quality = str(self.get_query_argument("quality", "best"))
yield options.stop_stream()
if url:
res, msg = yield options.start_stream(url, quality)
options.publish_state(url, quality, update_desired=True)
if res:
logger.info("Started stream via REST")
self.write({
"status": "started",
"url": url
})
else:
logger.error("Error starting stream via REST")
self.set_status(500)
self.write({
"status": "error",
"msg": msg
})
else:
self.write({
"status": "stopped",
"url": url
})
options.publish_state(url, quality, update_desired=True)
def __resolve_state(self):
# This coroutine actually diffs the shadow state with the actual state and starts the stream if needed.
# If the stream was start successfully then the new reported state is published.
if self.shadow is None:
logger.error("__resolve_state called before shadow was set.")
return
logger.debug(self.shadow)
def get_field(name, default=None):
return self.shadow['state'].get(
'desired', self.shadow['state'].get('reported',
{})).get(name, default)
# Get url and quality from shadow 'desired' or 'reported'
shadow_url = get_field("url")
quality = get_field("quality", "best")
if shadow_url is None:
logger.error("No 'url' state found in thing shadow")
return
if options.curr_url != shadow_url or options.curr_quality != quality:
if shadow_url:
logger.info("old url: '{0}', new url: '{1}'".format(
options.curr_url, shadow_url))
yield options.stop_stream()
res, res_msg = yield options.start_stream(shadow_url, quality)
if res:
logger.info("Started stream via MQTT")
self.publish_state(shadow_url, quality)
else:
logger.error("Error starting stream: {0}".format(res_msg))
#TODO revert to previous stream on error
else:
logger.warning("Stopping stream because shadow url is empty.")
yield options.stop_stream()
self.publish_state(shadow_url, quality)
else:
logger.info("shadow and state are in sync, no action.")
def __resolve_state(self):
# This coroutine actually diffs the shadow state with the actual state and starts the stream if needed.
# If the stream was start successfully then the new reported state is published.
if self.shadow is None:
logger.error("__resolve_state called before shadow was set.")
return
logger.debug(self.shadow)
def get_field(name, default=None):
return self.shadow['state'].get('desired', self.shadow['state'].get('reported', {})).get(name, default)
# Get url and quality from shadow 'desired' or 'reported'
shadow_url = get_field("url")
quality = get_field("quality", "best")
if shadow_url is None:
logger.error("No 'url' state found in thing shadow")
return
if options.curr_url != shadow_url or options.curr_quality != quality:
if shadow_url:
logger.info("old url: '{0}', new url: '{1}'".format(options.curr_url, shadow_url))
yield options.stop_stream()
res, res_msg = yield options.start_stream(shadow_url, quality)
if res:
logger.info("Started stream via MQTT")
self.publish_state(shadow_url, quality)
else:
logger.error("Error starting stream: {0}".format(res_msg))
#TODO revert to previous stream on error
else:
logger.warning("Stopping stream because shadow url is empty.")
yield options.stop_stream()
self.publish_state(shadow_url, quality)
else:
logger.info("shadow and state are in sync, no action.")