def create_async_client(
io_loop,
request,
path,
station_coordinates_callback=None,
event_info_callback=None,
travel_time_callback=None,
):
application = get_application()
application.db = find_and_open_files(path=path)
application.station_coordinates_callback = station_coordinates_callback
application.event_info_callback = event_info_callback
application.travel_time_callback = travel_time_callback
application.max_size_of_finite_sources = 1000
# Build server.
sock, port = bind_unused_port()
server = HTTPServer(application)
server.add_sockets([sock])
def _stop():
server.stop()
if hasattr(server, "close_all_connections"):
io_loop.run_sync(server.close_all_connections, timeout=30)
request.addfinalizer(_stop)
# Build client.
client = AsyncHTTPClient()
client.loop = io_loop
def _close():
client.close()
request.addfinalizer(_close)
client.application = application
client.filepath = path
client.port = port
# Flag to help deal with forward/backwards databases.
b = os.path.basename(path)
if "bwd" in b or "horizontal_only" in b or "vertical_only" in b:
client.is_reciprocal = True
client.source_depth = 0.0
else:
client.is_reciprocal = False
client.source_depth = application.db.info.source_depth * 1000
client.info = application.db.info
return client
