def serve(self, port=None):
"""Peer(BlockGenerator Peer) to RadioStation
:param port: RadioStation Peer
"""
if port is None:
port = conf.PORT_RADIOSTATION
stopwatch_start = timeit.default_timer()
self.__channel_manager = ChannelManager(self.__common_service)
if conf.ENABLE_REST_SERVICE:
self.__rest_service = RestServiceRS(int(port))
loopchain_pb2_grpc.add_RadioStationServicer_to_server(self.__outer_service, self.__common_service.outer_server)
loopchain_pb2_grpc.add_AdminServiceServicer_to_server(self.__admin_service, self.__common_service.inner_server)
logging.info("Start peer service at port: " + str(port))
if conf.ENABLE_RADIOSTATION_HEARTBEAT:
self.__common_service.add_loop(self.check_peer_status)
self.__common_service.start(port)
stopwatch_duration = timeit.default_timer() - stopwatch_start
logging.info(f"Start Radio Station start duration({stopwatch_duration})")
# service 종료를 기다린다.
self.__common_service.wait()
if self.__rest_service is not None:
self.__rest_service.stop()
def __start_base_services(self, score):
"""start base services >> common_service, channel_manager, tx_process
:param score:
:return:
"""
inner_service_port = conf.PORT_INNER_SERVICE or (
self.__peer_port + conf.PORT_DIFF_INNER_SERVICE)
self.__common_service = CommonService(loopchain_pb2,
inner_service_port)
self.__channel_manager = ChannelManager(
common_service=self.__common_service,
level_db_identity=self.__peer_target)
self.__tx_process = self.__run_tx_process(
inner_channel_info=conf.IP_LOCAL + ":" + str(inner_service_port))
def serve(self,
port: int = None,
event_for_init: multiprocessing.Event = None):
"""Peer(BlockGenerator Peer) to RadioStation
:param port: RadioStation Peer
:param event_for_init:
"""
if port is None:
port = conf.PORT_RADIOSTATION
stopwatch_start = timeit.default_timer()
self.__channel_manager = ChannelManager()
self.register_peers()
# TODO: Currently, some environments are failing to execute RestServiceRS without this sleep.
# This sleep fixes current node's issue but we need to fix it right way by investigating.
time.sleep(1)
if conf.ENABLE_REST_SERVICE:
self.__rest_service = RestServiceRS(int(port))
self.p2p_outer_server = GRPCHelper().start_outer_server(str(port))
self.p2p_inner_server = GRPCHelper().start_inner_server(str(port))
loopchain_pb2_grpc.add_RadioStationServicer_to_server(
self.__outer_service, self.p2p_outer_server)
loopchain_pb2_grpc.add_AdminServiceServicer_to_server(
self.__admin_service, self.p2p_inner_server)
logging.info("Start Radio Station service at port: " + str(port))
self.__timer_service.start()
stopwatch_duration = timeit.default_timer() - stopwatch_start
logging.info(
f"Start Radio Station service at port: {port} start duration({stopwatch_duration})"
)
if event_for_init is not None:
event_for_init.set()
signal.signal(signal.SIGINT, self.close)
signal.signal(signal.SIGTERM, self.close)
self.__timer_service.wait()
if self.__rest_service is not None:
self.__rest_service.stop()
def serve(self, port=None, event_for_init: multiprocessing.Event = None):
"""Peer(BlockGenerator Peer) to RadioStation
:param port: RadioStation Peer
"""
if port is None:
port = conf.PORT_RADIOSTATION
stopwatch_start = timeit.default_timer()
self.__channel_manager = ChannelManager(self.__common_service)
if conf.ENABLE_REST_SERVICE:
self.__rest_service = RestServiceRS(int(port))
loopchain_pb2_grpc.add_RadioStationServicer_to_server(
self.__outer_service, self.__common_service.outer_server)
loopchain_pb2_grpc.add_AdminServiceServicer_to_server(
self.__admin_service, self.__common_service.inner_server)
logging.info("Start Radio Station service at port: " + str(port))
self.__common_service.start(port)
self.__timer_service.start()
stopwatch_duration = timeit.default_timer() - stopwatch_start
logging.info(
f"Start Radio Station service at port: {port} start duration({stopwatch_duration})"
)
if event_for_init is not None:
event_for_init.set()
signal.signal(signal.SIGINT, self.close)
signal.signal(signal.SIGTERM, self.close)
# service 종료를 기다린다.
self.__common_service.wait()
self.__timer_service.wait()
if self.__rest_service is not None:
self.__rest_service.stop()
class PeerService:
"""Peer Service 의 main Class
outer 와 inner gRPC 인터페이스를 가진다.
서비스 루프 및 공통 요소는 commonservice 를 통해서 처리한다.
channel 관련 instance 는 channel manager 를 통해서 관리한다.
"""
def __init__(self,
group_id=None,
radio_station_ip=None,
radio_station_port=None,
public_path=None,
private_path=None,
cert_pass=None):
"""Peer는 Radio Station 에 접속하여 leader 및 다른 Peer에 대한 접속 정보를 전달 받는다.
:param group_id: Peer Group 을 구분하기 위한 ID, None 이면 Single Peer Group 이 된다. (peer_id is group_id)
conf.PEER_GROUP_ID 를 사용하면 configure 파일에 저장된 값을 group_id 로 사용하게 된다.
:param radio_station_ip: RS IP
:param radio_station_port: RS Port
:param public_path: Peer 인증서 디렉토리 경로
:param private_path: Cert Private key
:param cert_pass: Peer private key password
:return:
"""
if radio_station_ip is None:
radio_station_ip = conf.IP_RADIOSTATION
if radio_station_port is None:
radio_station_port = conf.PORT_RADIOSTATION
if public_path is None:
public_path = conf.PUBLIC_PATH
if private_path is None:
private_path = conf.PRIVATE_PATH
if cert_pass is None:
cert_pass = conf.DEFAULT_PW
util.logger.spam(f"Your Peer Service runs on debugging MODE!")
util.logger.spam(
f"You can see many terrible garbage logs just for debugging, R U Really want it?"
)
self.__send_to_process_thread = SendToProcess()
self.__radio_station_target = radio_station_ip + ":" + str(
radio_station_port)
logging.info("Set Radio Station target is " +
self.__radio_station_target)
self.__stub_to_radio_station = None
self.__level_db = None
self.__level_db_path = ""
self.__peer_id = None
self.__group_id = group_id
if self.__group_id is None and conf.PEER_GROUP_ID != "":
self.__group_id = conf.PEER_GROUP_ID
self.__common_service = None
self.__channel_manager: ChannelManager = None
self.__rest_service = None
self.__timer_service = TimerService()
# TODO peer 서비스의 .__score를 삭제, set chain code 테스트에서만 쓰인다. (검토후 제거할 것)
self.__score = None
self.__peer_target = None
self.__inner_target = None
self.__peer_port = 0
# For Send tx to leader
self.__tx_process = None
if conf.ENABLE_KMS:
rand_table = self.__get_random_table()
self.__auth = PeerAuthorization(rand_table=rand_table)
else:
self.__auth = PeerAuthorization(public_path, private_path,
cert_pass)
# gRPC service for Peer
self.__inner_service = InnerService()
self.__outer_service = OuterService()
self.__reset_voter_in_progress = False
@property
def common_service(self):
return self.__common_service
@property
def timer_service(self):
return self.__timer_service
@property
def channel_manager(self):
return self.__channel_manager
@property
def send_to_process_thread(self):
return self.__send_to_process_thread
@property
def tx_process(self):
return self.__tx_process
@property
def peer_target(self):
return self.__peer_target
@property
def auth(self):
return self.__auth
@property
def stub_to_radiostation(self) -> StubManager:
if self.__stub_to_radio_station is None:
self.__stub_to_radio_station = StubManager.get_stub_manager_to_server(
self.__radio_station_target,
loopchain_pb2_grpc.RadioStationStub,
conf.CONNECTION_RETRY_TIMEOUT_TO_RS)
return self.__stub_to_radio_station
@property
def peer_id(self):
return self.__peer_id
@property
def group_id(self):
if self.__group_id is None:
self.__group_id = self.__peer_id
return self.__group_id
@property
def peer_target(self):
return self.__peer_target
def __get_random_table(self) -> list:
"""request get rand_table to rs
:return: rand_table from rs
"""
try:
response = self.stub_to_radiostation.call_in_time(
"GetRandomTable", loopchain_pb2.CommonRequest(request=""))
if response.response_code == message_code.Response.success:
random_table = json.loads(response.message)
else:
util.exit_and_msg(f"get random table fail \n"
f"cause by {response.message}")
return random_table
except Exception as e:
util.exit_and_msg(f"get random table and init peer_auth fail \n"
f"cause by : {e}")
def rotate_next_leader(self, channel_name):
"""Find Next Leader Id from peer_list and reset leader to that peer"""
# logging.debug("rotate next leader...")
util.logger.spam(f"peer_service:rotate_next_leader")
peer_manager = self.__channel_manager.get_peer_manager(channel_name)
next_leader = peer_manager.get_next_leader_peer(is_only_alive=True)
# Check Next Leader is available...
if next_leader is not None and next_leader.peer_id != self.peer_id:
try:
stub_manager = peer_manager.get_peer_stub_manager(next_leader)
response = stub_manager.call(
"GetStatus",
loopchain_pb2.StatusRequest(request="get_leader_peer"),
is_stub_reuse=True)
# Peer 가 leader 로 변경되는데 시간이 필요함으로 접속 여부만 확인한다.
# peer_status = json.loads(response.status)
# if peer_status["peer_type"] != str(loopchain_pb2.BLOCK_GENERATOR):
# logging.warning("next rotate is not a leader")
# raise Exception
except Exception as e:
logging.warning(f"rotate next leader exceptions({e})")
next_leader = peer_manager.leader_complain_to_rs(
conf.ALL_GROUP_ID)
if next_leader is not None:
self.reset_leader(next_leader.peer_id, channel_name)
else:
util.logger.warning(
f"peer_service:rotate_next_leader next_leader is None({next_leader})"
)
def reset_leader(self, new_leader_id, channel: str):
logging.info(
f"RESET LEADER channel({channel}) leader_id({new_leader_id})")
block_manager = self.__channel_manager.get_block_manager(channel)
peer_manager = self.__channel_manager.get_peer_manager(channel)
complained_leader = peer_manager.get_leader_peer()
leader_peer = peer_manager.get_peer(new_leader_id, None)
if leader_peer is None:
logging.warning(
f"in peer_service:reset_leader There is no peer by peer_id({new_leader_id})"
)
return
util.logger.spam(
f"peer_service:reset_leader target({leader_peer.target})")
peer_manager.set_leader_peer(leader_peer, None)
self_peer_object = peer_manager.get_peer(self.__peer_id)
peer_leader = peer_manager.get_leader_peer()
peer_type = loopchain_pb2.PEER
if self_peer_object.target == peer_leader.target:
util.change_log_color_set(True)
logging.debug("Set Peer Type Leader!")
peer_type = loopchain_pb2.BLOCK_GENERATOR
block_manager.get_blockchain().reset_made_block_count()
# TODO 아래 코드는 중복된 의미이다. 하지만, leader 가 변경되길 기다리는 코드로 의미를 명확히 할 경우
# 블록체인 동작 지연으로 인한 오류가 발생한다. 우선 더 안정적인 테스트 결과를 보이는 상태로 유지한다.
response = peer_manager.get_peer_stub_manager(
self_peer_object).call("Request",
loopchain_pb2.Message(
code=message_code.Request.status,
channel=channel),
is_stub_reuse=True)
peer_status = json.loads(response.meta)
if peer_status['peer_type'] == str(loopchain_pb2.BLOCK_GENERATOR):
is_broadcast = True
else:
is_broadcast = False
peer_manager.announce_new_leader(complained_leader.peer_id,
new_leader_id,
is_broadcast=is_broadcast)
else:
util.change_log_color_set()
logging.debug("Set Peer Type Peer!")
# 새 leader 에게 subscribe 하기
self.__common_service.subscribe(
channel=channel,
subscribe_stub=peer_manager.get_peer_stub_manager(peer_leader),
peer_type=loopchain_pb2.BLOCK_GENERATOR)
# update candidate blocks
block_manager.get_candidate_blocks().set_last_block(
block_manager.get_blockchain().last_block)
block_manager.set_peer_type(peer_type)
if self.__tx_process is not None:
# peer_process 의 남은 job 을 처리한다. (peer->leader 인 경우),
# peer_process 를 리더 정보를 변경한다. (peer->peer 인 경우)
self.__tx_process_connect_to_leader(self.__tx_process,
peer_leader.target)
def show_peers(self, channel_name):
logging.debug(f"peer_service:show_peers ({channel_name}): ")
for peer in self.__channel_manager.get_peer_manager(
channel_name).get_IP_of_peers_in_group():
logging.debug("peer_target: " + peer)
def service_stop(self):
self.__channel_manager.stop_block_managers()
self.__common_service.stop()
def score_invoke(self, block, channel) -> dict:
block_object = pickle.dumps(block)
response = self.channel_manager.get_score_container_stub(channel).call(
method_name="Request",
message=loopchain_pb2.Message(
code=message_code.Request.score_invoke, object=block_object),
timeout=conf.SCORE_INVOKE_TIMEOUT,
is_raise=True)
# logging.debug("Score Server says: " + str(response))
if response.code == message_code.Response.success:
return json.loads(response.meta)
def __connect_to_all_channel(self) -> bool:
"""connect to radiostation with all channel
:return: is radiostation connected
"""
response = self.__get_channel_infos()
is_radiostation_connected = response is not None
if is_radiostation_connected:
logging.info(f"Connect to channels({response.channel_infos})")
channels = json.loads(response.channel_infos)
score_container_port_diff = 0
for channel in list(channels.keys()):
logging.debug(f"Try join channel({channel})")
self.__channel_manager.load_block_manager(peer_id=self.peer_id,
channel=channel)
self.__channel_manager.load_peer_manager(channel=channel)
is_score_container_loaded = self.__channel_manager.load_score_container_each(
channel_name=channel,
score_package=channels[channel]["score_package"],
container_port=self.__peer_port +
conf.PORT_DIFF_SCORE_CONTAINER + score_container_port_diff,
peer_target=self.__peer_target)
if is_score_container_loaded is False:
util.exit_and_msg(
f"peer_service:__connect_to_all_channel score container load Fail ({channel})"
)
score_container_port_diff = score_container_port_diff + conf.PORT_DIFF_BETWEEN_SCORE_CONTAINER
response = self.connect_to_radiostation(channel=channel)
if response is not None:
self.__channel_manager.save_peer_manager(
self.__channel_manager.get_peer_manager(channel),
channel)
return is_radiostation_connected
def __get_channel_infos(self):
response = self.stub_to_radiostation.call_in_times(
method_name="GetChannelInfos",
message=loopchain_pb2.GetChannelInfosRequest(
peer_id=self.__peer_id,
peer_target=self.__peer_target,
group_id=self.group_id,
cert=self.__auth.get_public_der()),
retry_times=conf.CONNECTION_RETRY_TIMES_TO_RS,
is_stub_reuse=True,
timeout=conf.CONNECTION_TIMEOUT_TO_RS)
return response
def connect_to_radiostation(
self,
channel: str,
is_reconnect: bool = False) -> loopchain_pb2.ConnectPeerReply:
"""connect to radiostation with channel
:return: 접속정보, 실패시 None
"""
logging.debug(f"try to connect to radiostation channel({channel})")
if self.stub_to_radiostation is None:
logging.warning("fail make stub to Radio Station!!")
return None
# 공통 부분
response = self.stub_to_radiostation.call_in_times(
method_name="ConnectPeer",
message=loopchain_pb2.ConnectPeerRequest(
channel=channel,
peer_object=b'',
peer_id=self.__peer_id,
peer_target=self.__peer_target,
group_id=self.group_id,
cert=self.__auth.get_public_der()),
retry_times=conf.CONNECTION_RETRY_TIMES_TO_RS,
is_stub_reuse=True,
timeout=conf.CONNECTION_TIMEOUT_TO_RS)
if not is_reconnect:
if response is not None and response.status == message_code.Response.success:
peer_list_data = pickle.loads(response.peer_list)
self.__channel_manager.get_peer_manager(channel).load(
peer_list_data, False)
logging.debug("peer list update: " +
self.__channel_manager.get_peer_manager(
channel).get_peers_for_debug())
else:
logging.debug("using local peer list: " +
self.__channel_manager.get_peer_manager(
channel).get_peers_for_debug())
return response
def add_unconfirm_block(self, block_unloaded, channel_name=None):
if channel_name is None:
channel_name = conf.LOOPCHAIN_DEFAULT_CHANNEL
block = pickle.loads(block_unloaded)
block_hash = block.block_hash
response_code, response_msg = message_code.get_response(
message_code.Response.fail_validate_block)
# block 검증
block_is_validated = False
try:
block_is_validated = Block.validate(block)
except Exception as e:
logging.error(e)
if block_is_validated:
# broadcast 를 받으면 받은 블럭을 검증한 후 검증되면 자신의 blockchain 의 unconfirmed block 으로 등록해 둔다.
confirmed, reason = \
self.__channel_manager.get_block_manager(channel_name).get_blockchain().add_unconfirm_block(block)
if confirmed:
response_code, response_msg = message_code.get_response(
message_code.Response.success_validate_block)
elif reason == "block_height":
# Announce 되는 블럭과 자신의 height 가 다르면 Block Height Sync 를 다시 시도한다.
self.__channel_manager.get_block_manager(
channel_name).block_height_sync()
return response_code, response_msg, block_hash
def __tx_process_connect_to_leader(self, peer_process, leader_target):
logging.debug("try... Peer Process connect_to_leader: " +
leader_target)
logging.debug("peer_process: " + str(peer_process))
peer_process.send_to_process(
(BroadcastProcess.CONNECT_TO_LEADER_COMMAND, leader_target))
peer_process.send_to_process(
(BroadcastProcess.SUBSCRIBE_COMMAND, leader_target))
def __run_tx_process(self, inner_channel_info):
tx_process = BroadcastProcess("Tx Process")
tx_process.start()
tx_process.send_to_process(("status", ""))
wait_times = 0
wait_for_process_start = None
# TODO process wait loop 를 살리고 시간을 조정하였음, 이 상태에서 tx process 가 AWS infra 에서 시작되는지 확인 필요.
# time.sleep(conf.WAIT_SECONDS_FOR_SUB_PROCESS_START)
while wait_for_process_start is None:
time.sleep(conf.SLEEP_SECONDS_FOR_SUB_PROCESS_START)
logging.debug(f"wait start tx process....")
wait_for_process_start = tx_process.get_receive("status")
if wait_for_process_start is None and wait_times > conf.WAIT_SUB_PROCESS_RETRY_TIMES:
util.exit_and_msg("Tx Process start Fail!")
logging.debug(f"Tx Process start({wait_for_process_start})")
tx_process.send_to_process(
(BroadcastProcess.MAKE_SELF_PEER_CONNECTION_COMMAND,
inner_channel_info))
return tx_process
def __stop_tx_process(self):
if self.__tx_process is not None:
self.__tx_process.stop()
self.__tx_process.wait()
def reset_voter_count(self):
"""peer_list 의 활성화 상태(gRPC 응답)을 갱신하여 voter 수를 변경한다.
:return:
"""
# if self.__reset_voter_in_progress is not True:
# self.__reset_voter_in_progress = True
# logging.debug("reset voter count before: " +
# str(ObjectManager().peer_service.peer_manager.get_peer_count()))
#
# # TODO peer_list 를 순회하면서 gRPC 오류인 사용자를 remove_audience 한다.
# self.__channel_manager.get_peer_manager(
# conf.LOOPCHAIN_DEFAULT_CHANNEL).reset_peers(None, self.__common_service.remove_audience)
# logging.debug("reset voter count after: " +
# str(ObjectManager().peer_service.peer_manager.get_peer_count()))
# self.__reset_voter_in_progress = False
pass
def set_chain_code(self, score):
"""Score를 패스로 전달하지 않고 (serve(...)의 score 는 score 의 파일 Path 이다.)
Object 를 직접 할당하기 위한 인터페이스로 serve 호출전에 지정되어야 한다.
:param score: score Object
"""
# TODO 현재는 테스트를 위해서만 사용되고 있다. 검토후 제거 할 것
self.__score = score
# TODO 아래 세줄은 삭제 가능할 듯 검토 후 다음 merge 때 삭제 부탁합니다. assign to @godong
self.__score_info = dict()
self.__score_info[
message_code.MetaParams.ScoreInfo.score_id] = self.__score.id()
self.__score_info[message_code.MetaParams.ScoreInfo.
score_version] = self.__score.version()
def __port_init(self, port):
# service 초기화 작업
self.__peer_target = util.get_private_ip() + ":" + str(port)
self.__inner_target = conf.IP_LOCAL + ":" + str(port)
self.__peer_port = int(port)
# SCORE Service check Using Port
# check Port Using
if util.check_port_using(conf.IP_PEER,
int(port) + conf.PORT_DIFF_SCORE_CONTAINER):
util.exit_and_msg('Score Service Port is Using ' +
str(int(port) + conf.PORT_DIFF_SCORE_CONTAINER))
def __run_inner_services(self, port):
if conf.ENABLE_REST_SERVICE:
if conf.USE_GUNICORN_HA_SERVER:
# Run web app on gunicorn in another process.
new_rest_port = int(
port) + conf.PORT_DIFF_REST_SERVICE_CONTAINER
logging.debug(
f'Launch gunicorn proxy server. Port = {new_rest_port}')
subprocess.Popen(
['python3', './rest_proxy.py', '-p',
str(port), '&'])
else:
# Run web app as it is.
logging.debug(f'Launch Flask RESTful server. Port = {port}')
self.__rest_service = RestService(int(port))
def __make_peer_id(self):
"""네트워크에서 Peer 를 식별하기 위한 UUID를 level db 에 생성한다.
"""
try:
uuid_bytes = bytes(
self.__level_db.Get(conf.LEVEL_DB_KEY_FOR_PEER_ID))
peer_id = uuid.UUID(bytes=uuid_bytes)
except KeyError: # It's first Run
peer_id = None
if peer_id is None:
peer_id = uuid.uuid1()
logging.info("make new peer_id: " + str(peer_id))
self.__level_db.Put(conf.LEVEL_DB_KEY_FOR_PEER_ID, peer_id.bytes)
self.__peer_id = str(peer_id)
def timer_test_callback_function(self, message):
logging.debug(f'timer test callback function :: ({message})')
def __block_height_sync_channel(self, channel_name):
# leader 로 시작하지 않았는데 자신의 정보가 leader Peer 정보이면 block height sync 하여
# 최종 블럭의 leader 를 찾는다.
block_sync_target_stub = None
peer_manager = self.__channel_manager.get_peer_manager(channel_name)
peer_leader = peer_manager.get_leader_peer()
self_peer_object = peer_manager.get_peer(self.__peer_id)
is_delay_announce_new_leader = False
peer_old_leader = None
if peer_leader.target != self.__peer_target:
block_sync_target_stub = StubManager.get_stub_manager_to_server(
peer_leader.target,
loopchain_pb2_grpc.PeerServiceStub,
time_out_seconds=conf.CONNECTION_RETRY_TIMEOUT)
if block_sync_target_stub is None:
logging.warning(
"You maybe Older from this network... or No leader in this network!"
)
# TODO 이 상황에서 rs 에 leader complain 을 진행한다
is_delay_announce_new_leader = True
peer_old_leader = peer_leader
peer_leader = self.__channel_manager.get_peer_manager(
channel_name).leader_complain_to_rs(
conf.ALL_GROUP_ID, is_announce_new_peer=False)
if peer_leader is not None:
block_sync_target_stub = StubManager.get_stub_manager_to_server(
peer_leader.target,
loopchain_pb2_grpc.PeerServiceStub,
time_out_seconds=conf.CONNECTION_RETRY_TIMEOUT)
if peer_leader is None or peer_leader.peer_id == self.__peer_id:
peer_leader = self_peer_object
self.__channel_manager.get_block_manager(
channel_name).set_peer_type(loopchain_pb2.BLOCK_GENERATOR)
else:
self.__channel_manager.get_block_manager(
channel_name).block_height_sync(block_sync_target_stub)
# # TODO 마지막 블럭으로 leader 정보를 판단하는 로직은 리더 컴플레인 알고리즘 수정 후 유효성을 다시 판단할 것
# last_block_peer_id = self.__channel_manager.get_block_manager().get_blockchain().last_block.peer_id
#
# if last_block_peer_id != "" and last_block_peer_id != self.__peer_list.get_leader_peer().peer_id:
# logging.debug("make leader stub after block height sync...")
# new_leader_peer = self.__peer_list.get_peer(last_block_peer_id)
#
# if new_leader_peer is None:
# new_leader_peer = self.__peer_list.leader_complain_to_rs(conf.ALL_GROUP_ID)
#
# self.__peer_list.set_leader_peer(new_leader_peer, None)
# # TODO 리더가 상단의 next_leader_pear 와 같을 경우 stub 을 재설정하게 되는데 문제 없는지 확인 할 것
# peer_leader = new_leader_peer
# else:
if block_sync_target_stub is None:
util.exit_and_msg("Fail connect to leader!!")
self.show_peers(channel_name)
if block_sync_target_stub is not None:
self.__common_service.subscribe(channel_name,
block_sync_target_stub,
loopchain_pb2.BLOCK_GENERATOR)
if is_delay_announce_new_leader:
self.__channel_manager.get_peer_manager(
channel_name).announce_new_leader(peer_old_leader.peer_id,
peer_leader.peer_id)
def __start_base_services(self, score):
"""start base services >> common_service, channel_manager, tx_process
:param score:
:return:
"""
inner_service_port = conf.PORT_INNER_SERVICE or (
self.__peer_port + conf.PORT_DIFF_INNER_SERVICE)
self.__common_service = CommonService(loopchain_pb2,
inner_service_port)
self.__channel_manager = ChannelManager(
common_service=self.__common_service,
level_db_identity=self.__peer_target)
self.__tx_process = self.__run_tx_process(
inner_channel_info=conf.IP_LOCAL + ":" + str(inner_service_port))
def serve(self, port, score=None):
"""start func of Peer Service ===================================================================
:param port:
:param score:
"""
if score is None:
score = conf.DEFAULT_SCORE_PACKAGE
stopwatch_start = timeit.default_timer()
peer_type = loopchain_pb2.PEER
is_all_service_safe_start = True
self.__port_init(port)
self.__level_db, self.__level_db_path = util.init_level_db(
self.__peer_target)
self.__make_peer_id()
self.__run_inner_services(port)
self.__start_base_services(score=score)
is_radiostation_connected = self.__connect_to_all_channel()
if is_radiostation_connected is False:
util.exit_and_msg(
"There is no peer_list, initial network is not allowed without RS!"
)
# start timer service.
if conf.CONSENSUS_ALGORITHM == conf.ConsensusAlgorithm.lft:
self.__timer_service.start()
# TODO LOOPCHAIN-61 인증서 로드
_cert = None
# TODO LOOPCHAIN-61 인증서 키로드
_private_key = None
# TODO 인증정보 요청
for channel in self.__channel_manager.get_channel_list():
peer_leader = self.__channel_manager.get_peer_manager(
channel).get_leader_peer(is_complain_to_rs=True)
logging.debug(f"channel({channel}) peer_leader: " +
str(peer_leader))
# TODO 이 부분을 조건 검사가 아니라 leader complain 을 이용해서 리더가 되도록 하는 방법 검토하기
# 자기가 peer_list 의 유일한 connected PEER 이거나 rs 의 leader 정보와 같을 때 block generator 가 된다.
if self.__peer_id == peer_leader.peer_id:
if is_radiostation_connected is True or self.__channel_manager.get_peer_manager(
channel).get_connected_peer_count(None) == 1:
util.change_log_color_set(True)
logging.debug(f"Set Peer Type Leader! channel({channel})")
peer_type = loopchain_pb2.BLOCK_GENERATOR
# load score 는 score 서비스가 시작된 이후 block height sync 가 시작되기전에 이루어져야 한다.
# is_all_service_safe_start &= self.__load_score(score)
if peer_type == loopchain_pb2.BLOCK_GENERATOR:
self.__channel_manager.get_block_manager(
channel).set_peer_type(peer_type)
elif peer_type == loopchain_pb2.PEER:
self.__block_height_sync_channel(channel)
if conf.CONSENSUS_ALGORITHM == conf.ConsensusAlgorithm.lft:
self.__common_service.update_audience(
self.channel_manager.get_peer_manager().dump())
loopchain_pb2_grpc.add_PeerServiceServicer_to_server(
self.__outer_service, self.__common_service.outer_server)
loopchain_pb2_grpc.add_InnerServiceServicer_to_server(
self.__inner_service, self.__common_service.inner_server)
logging.info("Start peer service at port: " + str(port))
self.__channel_manager.start_block_managers()
self.__common_service.start(port, self.__peer_id, self.__group_id)
if self.stub_to_radiostation is not None:
for channel in self.__channel_manager.get_channel_list():
self.__common_service.subscribe(
channel=channel, subscribe_stub=self.stub_to_radiostation)
for channel in self.__channel_manager.get_channel_list():
channel_leader = self.__channel_manager.get_peer_manager(
channel).get_leader_peer()
if channel_leader is not None:
util.logger.spam(
f"connnect to channel({channel}) leader({channel_leader.target})"
)
self.__tx_process_connect_to_leader(self.__tx_process,
channel_leader.target)
self.__send_to_process_thread.set_process(self.__tx_process)
self.__send_to_process_thread.start()
stopwatch_duration = timeit.default_timer() - stopwatch_start
logging.info(
f"Start Peer Service start duration({stopwatch_duration})")
# service 종료를 기다린다.
if is_all_service_safe_start:
self.__common_service.wait()
else:
self.service_stop()
self.__send_to_process_thread.stop()
self.__send_to_process_thread.wait()
if self.__timer_service.is_run():
self.__timer_service.stop()
self.__timer_service.wait()
logging.info("Peer Service Ended.")
self.__channel_manager.stop_score_containers()
if self.__rest_service is not None:
self.__rest_service.stop()
self.__stop_tx_process()