def init_worker():
with worker_ctx() as worker:
try:
worker.init()
xcamserver.socket_server.init(worker.frame_size)
xcamserver.socket_server.data_size = worker.frame_size
# if xcamserver.socket_server is None:
# xcamserver.socket_server = SocketServer()
server_addr = xcamserver.socket_server.server_socket.getsockname()
# Connect to SocketServer
client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client_socket.connect(server_addr)
client_addr = client_socket.getsockname()
# Socket server listens the camera worker
xcamserver.socket_server.camera_addr = client_addr
# Camera writes data to the socket
connection = client_socket.makefile(mode='wb')
worker.camera_handler = connection
worker.stream_address = server_addr
xcamserver.socket_server.run()
except Exception as e:
print('%s' % str(repr(e)))
finally:
return meta2json(worker.get_meta())
def get_metadata():
with worker_ctx() as worker:
try:
data = worker.get_meta()
except:
pass
finally:
return meta2json(data)
def stop_worker():
with worker_ctx() as worker:
try:
worker.stop()
except:
pass
finally:
return meta2json(worker.get_meta())
def close():
with worker_ctx() as worker:
try:
worker.close()
xcamserver.socket_server.close()
except:
pass
finally:
return meta2json(worker.get_meta())
def start_worker():
print('Starting worker')
# Contexts are for preventing overlapping accesses to resources
with worker_ctx() as worker:
# if not worker.initialized:
# print('Worker is not initialized. Call /init before calling /start')
# worker.status = 'ERROR'
# worker.error = 'Worker is not initialized. Call /init before calling /start'
# return get_metadata()
try:
# worker.set_handler(worker.camera_handler)
worker.start()
except:
return meta2json(worker.get_meta())
else:
print('Worker is starting.')
return meta2json(worker.get_meta())
def close_worker():
with worker_ctx() as worker:
try:
worker.close()
finally:
return meta2json(worker.get_meta())
def tearDown(self):
with xcamserver.worker_ctx() as worker:
worker.close()
xcamserver.socket_server.close()