def start_master(port=None,
config=None,
config_path=None,
block=False,
watchdog=True):
"""
Start a master server instance on this node.
Kwargs:
config: A scanner Config object. If specified, config_path is
ignored.
config_path: Path to a Scanner configuration TOML, by default
assumed to be `~/.scanner.toml`.
block: If true, will wait until the server is shutdown. Server
will not shutdown currently unless wait_For_server_shutdown
is eventually called.
Returns:
A cpp database instance.
"""
config = config or Config(config_path)
port = port or config.master_port
# Load all protobuf types
import libscanner as bindings
db = bindings.Database(config.storage_config, config.db_path,
config.master_address + ':' + port)
result = bindings.start_master(db, port, watchdog)
if not result.success:
raise ScannerException('Failed to start master: {}'.format(result.msg))
if block:
bindings.wait_for_server_shutdown(db)
return db
def start_worker(master_address,
machine_params=None,
port=None,
config=None,
config_path=None,
block=False,
watchdog=True):
"""
Start a worker instance on this node.
Args:
master_address: The address of the master server to connect this worker
to.
Kwargs:
config: A scanner Config object. If specified, config_path is
ignored.
config_path: Path to a Scanner configuration TOML, by default
assumed to be `~/.scanner.toml`.
block: If true, will wait until the server is shutdown. Server
will not shutdown currently unless wait_ror_server_shutdown
is eventually called.
Returns:
A cpp database instance.
"""
config = config or Config(config_path)
port = port or config.worker_port
# Load all protobuf types
import libscanner as bindings
db = bindings.Database(
config.storage_config,
#storage_config,
config.db_path,
master_address)
machine_params = machine_params or bindings.default_machine_params()
result = bindings.start_worker(db, machine_params,
str(port).encode('ascii'), watchdog)
if not result.success:
raise ScannerException('Failed to start worker: {}'.format(result.msg))
if block:
bindings.wait_for_server_shutdown(db)
return result
