def start_pipeline_server(host,
port,
config_base,
background_base,
scripts_base,
cam_server_api_address,
hostname=None,
port_range=None,
web_server=config.DEFAULT_WEB_SERVER,
web_server_args={}):
# Check if config directory exists
if not os.path.isdir(config_base):
_logger.error("Configuration directory '%s' does not exist." %
config_base)
exit(-1)
if not os.path.isdir(background_base):
_logger.error("Background image directory '%s' does not exist." %
background_base)
exit(-1)
if not os.path.isdir(scripts_base):
_logger.error("Scripts directory '%s' does not exist." % scripts_base)
exit(-1)
if hostname:
_logger.warning("Using custom hostname '%s'." % hostname)
cam_server_client = CamClient(cam_server_api_address)
config_manager = PipelineConfigManager(
config_provider=ConfigFileStorage(config_base))
background_manager = BackgroundImageManager(background_base)
user_scripts_manager = UserScriptsManager(scripts_base)
pipeline_instance_manager = PipelineInstanceManager(config_manager,
background_manager,
user_scripts_manager,
cam_server_client,
hostname=hostname,
port_range=port_range)
app = bottle.Bottle()
register_pipeline_rest_interface(
app=app, instance_manager=pipeline_instance_manager)
try:
bottle.run(app=app,
server=validate_web_server(web_server),
host=host,
port=port,
**web_server_args)
finally:
# Close the external processor when terminating the web server.
pipeline_instance_manager.stop_all_instances()
def test_custom_hostname(self):
config_manager = PipelineConfigManager(
config_provider=MockConfigStorage())
pipeline_instance_manager = PipelineInstanceManager(
config_manager,
MockBackgroundManager(),
CamClient("http://0.0.0.0:8888"),
hostname="custom_cam_hostname")
_, stream_address = pipeline_instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
self.assertTrue(stream_address.startswith("tcp://custom_cam_hostname"))
pipeline_instance_manager.stop_all_instances()
def start_pipeline_server(host,
port,
config_base,
background_base,
cam_server_api_address,
hostname=None):
proxy_instance_manager = PipelineInstanceManager()
app = bottle.Bottle()
register_pipeline_rest_interface(app=app,
instance_manager=proxy_instance_manager)
try:
bottle.run(app=app, host=host, port=port)
finally:
# Close the external processor when terminating the web server.
proxy_instance_manager.stop_all_instances()
def test_out_of_ports(self):
config_manager = PipelineConfigManager(
config_provider=MockConfigStorage())
instance_manager = PipelineInstanceManager(config_manager,
MockBackgroundManager(),
None,
MockCamServerClient(),
port_range=(12000, 12003))
instance_id_0, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_1, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_2, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
self.assertEqual(
instance_manager.get_instance(instance_id_0).get_stream_port(),
12000)
self.assertEqual(
instance_manager.get_instance(instance_id_1).get_stream_port(),
12001)
self.assertEqual(
instance_manager.get_instance(instance_id_2).get_stream_port(),
12002)
with self.assertRaisesRegex(
Exception,
"All ports are used. Stop some instances before opening a new stream."
):
instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_manager.stop_instance(instance_id_1)
instance_id_1, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
self.assertEqual(
instance_manager.get_instance(instance_id_1).get_stream_port(),
12001,
"Instance_id_1 should have freeded the port 10001, but some other port was assigned."
)
instance_manager.stop_all_instances()
# Check if the port rotation works as expected.
instance_id_2, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_0, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_1, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
self.assertEqual(
instance_manager.get_instance(instance_id_2).get_stream_port(),
12002)
self.assertEqual(
instance_manager.get_instance(instance_id_0).get_stream_port(),
12000)
self.assertEqual(
instance_manager.get_instance(instance_id_1).get_stream_port(),
12001)
instance_manager.stop_all_instances()
old_timeout = config.MFLOW_NO_CLIENTS_TIMEOUT
config.MFLOW_NO_CLIENTS_TIMEOUT = 1
# Test the cleanup procedure.
instance_id_2, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_0, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_1, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
self.assertEqual(len(instance_manager.get_info()["active_instances"]),
3, "All 3 instances should be running")
with self.assertRaisesRegex(
Exception,
"All ports are used. Stop some instances before opening a new stream."
):
instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
# Wait for the instances to die.
sleep(5)
self.assertEqual(len(instance_manager.get_info()["active_instances"]),
0, "All instances should be dead by now.")
instance_id_2, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_0, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
instance_id_1, _ = instance_manager.create_pipeline(
configuration={"camera_name": "simulation"})
# Restore previous state.
config.MFLOW_NO_CLIENTS_TIMEOUT = old_timeout
instance_manager.stop_all_instances()